#ifndef __ALPHA_PERCPU_H
#define __ALPHA_PERCPU_H
+
#include <linux/compiler.h>
#include <linux/threads.h>
+#include <linux/percpu-defs.h>
/*
* Determine the real variable name from the name visible in the
#endif /* SMP */
-#include <asm-generic/percpu.h>
+#ifdef CONFIG_SMP
+#define PER_CPU_BASE_SECTION ".data.percpu"
+#else
+#define PER_CPU_BASE_SECTION ".data"
+#endif
+
+#ifdef CONFIG_SMP
+
+#ifdef MODULE
+#define PER_CPU_SHARED_ALIGNED_SECTION ""
+#else
+#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned"
+#endif
+#define PER_CPU_FIRST_SECTION ".first"
+
+#else
+
+#define PER_CPU_SHARED_ALIGNED_SECTION ""
+#define PER_CPU_FIRST_SECTION ""
+
+#endif
+
+#define PER_CPU_ATTRIBUTES
#endif /* __ALPHA_PERCPU_H */
# cris object files path
OBJ_ARCH = $(objtree)/arch/cris
-boot := arch/cris/$(SARCH)/boot
+boot := arch/cris/boot
MACHINE := arch/cris/$(SARCH)
all: zImage
archprepare:
archclean:
- $(Q)if [ -e arch/cris/$(SARCH)/boot ]; then \
- $(MAKE) $(clean)=arch/cris/$(SARCH)/boot; \
+ $(Q)if [ -e arch/cris/boot ]; then \
+ $(MAKE) $(clean)=arch/cris/boot; \
fi
CLEAN_FILES += \
- $(MACHINE)/boot/zImage \
- $(MACHINE)/boot/compressed/decompress.bin \
- $(MACHINE)/boot/compressed/piggy.gz \
- $(MACHINE)/boot/rescue/rescue.bin
+ $(boot)/zImage \
+ $(boot)/compressed/decompress.bin \
+ $(boot)/compressed/piggy.gz \
+ $(boot)/rescue/rescue.bin
# MRPROPER_FILES +=
+++ /dev/null
-Image
-zImage
+++ /dev/null
-#
-# arch/cris/arch-v10/boot/Makefile
-#
-
-OBJCOPYFLAGS = -O binary --remove-section=.bss
-
-subdir- := compressed rescue
-targets := Image
-
-$(obj)/Image: vmlinux FORCE
- $(call if_changed,objcopy)
- @echo ' Kernel: $@ is ready'
-
-$(obj)/compressed/vmlinux: $(obj)/Image FORCE
- $(Q)$(MAKE) $(build)=$(obj)/compressed $@
- $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
-
-$(obj)/zImage: $(obj)/compressed/vmlinux
- @cp $< $@
- @echo ' Kernel: $@ is ready'
+++ /dev/null
-#
-# arch/cris/arch-v10/boot/compressed/Makefile
-#
-
-asflags-y += $(LINUXINCLUDE)
-ccflags-y += -O2 $(LINUXINCLUDE)
-ldflags-y += -T $(srctree)/$(src)/decompress.lds
-OBJECTS = $(obj)/head.o $(obj)/misc.o
-OBJCOPYFLAGS = -O binary --remove-section=.bss
-
-quiet_cmd_image = BUILD $@
-cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
-
-targets := vmlinux piggy.gz decompress.o decompress.bin
-
-$(obj)/decompress.o: $(OBJECTS) FORCE
- $(call if_changed,ld)
-
-$(obj)/decompress.bin: $(obj)/decompress.o FORCE
- $(call if_changed,objcopy)
-
-$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
- $(call if_changed,image)
-
-$(obj)/piggy.gz: $(obj)/../Image FORCE
- $(call if_changed,gzip)
-
+++ /dev/null
-Creation of the self-extracting compressed kernel image (vmlinuz)
------------------------------------------------------------------
-$Id: README,v 1.1 2001/12/17 13:59:27 bjornw Exp $
-
-This can be slightly confusing because it's a process with many steps.
-
-The kernel object built by the arch/etrax100/Makefile, vmlinux, is split
-by that makefile into text and data binary files, vmlinux.text and
-vmlinux.data.
-
-Those files together with a ROM filesystem can be catted together and
-burned into a flash or executed directly at the DRAM origin.
-
-They can also be catted together and compressed with gzip, which is what
-happens in this makefile. Together they make up piggy.img.
-
-The decompressor is built into the file decompress.o. It is turned into
-the binary file decompress.bin, which is catted together with piggy.img
-into the file vmlinuz. It can be executed in an arbitrary place in flash.
-
-Be careful - it assumes some things about free locations in DRAM. It
-assumes the DRAM starts at 0x40000000 and that it is at least 8 MB,
-so it puts its code at 0x40700000, and initial stack at 0x40800000.
-
--Bjorn
+++ /dev/null
-/* OUTPUT_FORMAT(elf32-us-cris) */
-OUTPUT_FORMAT(elf32-cris)
-
-MEMORY
- {
- dram : ORIGIN = 0x40700000,
- LENGTH = 0x00100000
- }
-
-SECTIONS
-{
- .text :
- {
- _stext = . ;
- *(.text)
- *(.rodata)
- *(.rodata.*)
- _etext = . ;
- } > dram
- .data :
- {
- *(.data)
- _edata = . ;
- } > dram
- .bss :
- {
- *(.bss)
- _end = ALIGN( 0x10 ) ;
- } > dram
-}
+++ /dev/null
-/*
- * arch/cris/boot/compressed/head.S
- *
- * Copyright (C) 1999, 2001 Axis Communications AB
- *
- * Code that sets up the DRAM registers, calls the
- * decompressor to unpack the piggybacked kernel, and jumps.
- *
- */
-
-#define ASSEMBLER_MACROS_ONLY
-#include <arch/sv_addr_ag.h>
-
-#define RAM_INIT_MAGIC 0x56902387
-#define COMMAND_LINE_MAGIC 0x87109563
-
- ;; Exported symbols
-
- .globl input_data
-
-
- .text
-
- nop
- di
-
-;; We need to initialze DRAM registers before we start using the DRAM
-
- cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
- beq dram_init_finished
- nop
-
-#include "../../lib/dram_init.S"
-
-dram_init_finished:
-
- ;; Initiate the PA and PB ports
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
- move.b $r0, [R_PORT_PA_DATA]
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
- move.b $r0, [R_PORT_PA_DIR]
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
- move.b $r0, [R_PORT_PB_DATA]
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
- move.b $r0, [R_PORT_PB_DIR]
-
- ;; Setup the stack to a suitably high address.
- ;; We assume 8 MB is the minimum DRAM in an eLinux
- ;; product and put the sp at the top for now.
-
- move.d 0x40800000, $sp
-
- ;; Figure out where the compressed piggyback image is
- ;; in the flash (since we wont try to copy it to DRAM
- ;; before unpacking). It is at _edata, but in flash.
- ;; Use (_edata - basse) as offset to the current PC.
-
-basse: move.d $pc, $r5
- and.d 0x7fffffff, $r5 ; strip any non-cache bit
- subq 2, $r5 ; compensate for the move.d $pc instr
- move.d $r5, $r0 ; save for later - flash address of 'basse'
- add.d _edata, $r5
- sub.d basse, $r5 ; $r5 = flash address of '_edata'
-
- ;; Copy text+data to DRAM
-
- move.d basse, $r1 ; destination
- move.d _edata, $r2 ; end destination
-1: move.w [$r0+], $r3
- move.w $r3, [$r1+]
- cmp.d $r2, $r1
- bcs 1b
- nop
-
- move.d $r5, [input_data] ; for the decompressor
-
-
- ;; Clear the decompressors BSS (between _edata and _end)
-
- moveq 0, $r0
- move.d _edata, $r1
- move.d _end, $r2
-1: move.w $r0, [$r1+]
- cmp.d $r2, $r1
- bcs 1b
- nop
-
- ;; Save command line magic and address.
- move.d _cmd_line_magic, $r12
- move.d $r10, [$r12]
- move.d _cmd_line_addr, $r12
- move.d $r11, [$r12]
-
- ;; Do the decompression and save compressed size in inptr
-
- jsr decompress_kernel
-
- ;; Put start address of root partition in $r9 so the kernel can use it
- ;; when mounting from flash
-
- move.d [input_data], $r9 ; flash address of compressed kernel
- add.d [inptr], $r9 ; size of compressed kernel
-
- ;; Restore command line magic and address.
- move.d _cmd_line_magic, $r10
- move.d [$r10], $r10
- move.d _cmd_line_addr, $r11
- move.d [$r11], $r11
-
- ;; Enter the decompressed kernel
- move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
- jump 0x40004000 ; kernel is linked to this address
-
- .data
-
-input_data:
- .dword 0 ; used by the decompressor
-_cmd_line_magic:
- .dword 0
-_cmd_line_addr:
- .dword 0
-#include "../../lib/hw_settings.S"
+++ /dev/null
-/*
- * misc.c
- *
- * This is a collection of several routines from gzip-1.0.3
- * adapted for Linux.
- *
- * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
- * puts by Nick Holloway 1993, better puts by Martin Mares 1995
- * adaptation for Linux/CRIS Axis Communications AB, 1999
- *
- */
-
-/* where the piggybacked kernel image expects itself to live.
- * it is the same address we use when we network load an uncompressed
- * image into DRAM, and it is the address the kernel is linked to live
- * at by vmlinux.lds.S
- */
-
-#define KERNEL_LOAD_ADR 0x40004000
-
-
-#include <linux/types.h>
-#include <arch/svinto.h>
-
-/*
- * gzip declarations
- */
-
-#define OF(args) args
-#define STATIC static
-
-void *memset(void *s, int c, size_t n);
-void *memcpy(void *__dest, __const void *__src, size_t __n);
-
-#define memzero(s, n) memset((s), 0, (n))
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-unsigned inptr = 0; /* index of next byte to be processed in inbuf
- * After decompression it will contain the
- * compressed size, and head.S will read it.
- */
-
-static unsigned outcnt = 0; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() (inbuf[inptr++])
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond, msg) do { \
- if (!(cond)) \
- error(msg); \
- } while (0)
-# define Trace(x) fprintf x
-# define Tracev(x) do { \
- if (verbose) \
- fprintf x; \
- } while (0)
-# define Tracevv(x) do { \
- if (verbose > 1) \
- fprintf x; \
- } while (0)
-# define Tracec(c, x) do { \
- if (verbose && (c)) \
- fprintf x; \
- } while (0)
-# define Tracecv(c, x) do { \
- if (verbose > 1 && (c)) \
- fprintf x; \
- } while (0)
-#else
-# define Assert(cond, msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c, x)
-# define Tracecv(c, x)
-#endif
-
-static void flush_window(void);
-static void error(char *m);
-
-extern char *input_data; /* lives in head.S */
-
-static long bytes_out = 0;
-static uch *output_data;
-static unsigned long output_ptr = 0;
-static void puts(const char *);
-
-/* the "heap" is put directly after the BSS ends, at end */
-
-extern int _end;
-static long free_mem_ptr = (long)&_end;
-static long free_mem_end_ptr;
-
-#include "../../../../../lib/inflate.c"
-
-/* decompressor info and error messages to serial console */
-
-static void
-puts(const char *s)
-{
-#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
- while (*s) {
-#ifdef CONFIG_ETRAX_DEBUG_PORT0
- while (!(*R_SERIAL0_STATUS & (1 << 5))) ;
- *R_SERIAL0_TR_DATA = *s++;
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT1
- while (!(*R_SERIAL1_STATUS & (1 << 5))) ;
- *R_SERIAL1_TR_DATA = *s++;
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT2
- while (!(*R_SERIAL2_STATUS & (1 << 5))) ;
- *R_SERIAL2_TR_DATA = *s++;
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT3
- while (!(*R_SERIAL3_STATUS & (1 << 5))) ;
- *R_SERIAL3_TR_DATA = *s++;
-#endif
- }
-#endif
-}
-
-void *memset(void *s, int c, size_t n)
-{
- int i;
- char *ss = (char *)s;
-
- for (i = 0; i < n; i++)
- ss[i] = c;
-
- return s;
-}
-
-void *memcpy(void *__dest, __const void *__src, size_t __n)
-{
- int i;
- char *d = (char *)__dest, *s = (char *)__src;
-
- for (i = 0; i < __n; i++)
- d[i] = s[i];
-
- return __dest;
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-
-static void flush_window(void)
-{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out = *in;
- out++;
- in++;
- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg)outcnt;
- output_ptr += (ulg)outcnt;
- outcnt = 0;
-}
-
-static void error(char *x)
-{
- puts("\n\n");
- puts(x);
- puts("\n\n -- System halted\n");
-
- while (1); /* Halt */
-}
-
-void setup_normal_output_buffer(void)
-{
- output_data = (char *)KERNEL_LOAD_ADR;
-}
-
-void decompress_kernel(void)
-{
- char revision;
-
- /* input_data is set in head.S */
- inbuf = input_data;
-
-#ifdef CONFIG_ETRAX_DEBUG_PORT0
- *R_SERIAL0_XOFF = 0;
- *R_SERIAL0_BAUD = 0x99;
- *R_SERIAL0_TR_CTRL = 0x40;
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT1
- *R_SERIAL1_XOFF = 0;
- *R_SERIAL1_BAUD = 0x99;
- *R_SERIAL1_TR_CTRL = 0x40;
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT2
- *R_GEN_CONFIG = 0x08;
- *R_SERIAL2_XOFF = 0;
- *R_SERIAL2_BAUD = 0x99;
- *R_SERIAL2_TR_CTRL = 0x40;
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT3
- *R_GEN_CONFIG = 0x100;
- *R_SERIAL3_XOFF = 0;
- *R_SERIAL3_BAUD = 0x99;
- *R_SERIAL3_TR_CTRL = 0x40;
-#endif
-
- setup_normal_output_buffer();
-
- makecrc();
-
- __asm__ volatile ("move $vr,%0" : "=rm" (revision));
- if (revision < 10) {
- puts("You need an ETRAX 100LX to run linux 2.6\n");
- while (1);
- }
-
- puts("Uncompressing Linux...\n");
- gunzip();
- puts("Done. Now booting the kernel.\n");
-}
+++ /dev/null
-#
-# Makefile for rescue (bootstrap) code
-#
-
-ccflags-y += -O2 $(LINUXINCLUDE)
-asflags-y += $(LINUXINCLUDE)
-ldflags-y += -T $(srctree)/$(src)/rescue.lds
-OBJCOPYFLAGS = -O binary --remove-section=.bss
-obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
-OBJECT := $(obj)/head.o
-
-targets := rescue.o rescue.bin
-
-$(obj)/rescue.o: $(OBJECT) FORCE
- $(call if_changed,ld)
-
-$(obj)/rescue.bin: $(obj)/rescue.o FORCE
- $(call if_changed,objcopy)
- cp -p $(obj)/rescue.bin $(objtree)
-
-$(obj)/testrescue.bin: $(obj)/testrescue.o
- $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin
-# Pad it to 784 bytes
- dd if=/dev/zero of=tmp2423 bs=1 count=784
- cat tr.bin tmp2423 >testrescue_tmp.bin
- dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784
- rm tr.bin tmp2423 testrescue_tmp.bin
-
-$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
- $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin
-# Pad it to 784 bytes, that's what the rescue loader expects
- dd if=/dev/zero of=tmp2423 bs=1 count=784
- cat ktr.bin tmp2423 >kimagerescue_tmp.bin
- dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784
- rm ktr.bin tmp2423 kimagerescue_tmp.bin
+++ /dev/null
-/*
- * Rescue code, made to reside at the beginning of the
- * flash-memory. when it starts, it checks a partition
- * table at the first sector after the rescue sector.
- * the partition table was generated by the product builder
- * script and contains offsets, lengths, types and checksums
- * for each partition that this code should check.
- *
- * If any of the checksums fail, we assume the flash is so
- * corrupt that we cant use it to boot into the ftp flash
- * loader, and instead we initialize the serial port to
- * receive a flash-loader and new flash image. we dont include
- * any flash code here, but just accept a certain amount of
- * bytes from the serial port and jump into it. the downloaded
- * code is put in the cache.
- *
- * The partitiontable is designed so that it is transparent to
- * code execution - it has a relative branch opcode in the
- * beginning that jumps over it. each entry contains extra
- * data so we can add stuff later.
- *
- * Partition table format:
- *
- * Code transparency:
- *
- * 2 bytes [opcode 'nop']
- * 2 bytes [opcode 'di']
- * 4 bytes [opcode 'ba <offset>', 8-bit or 16-bit version]
- * 2 bytes [opcode 'nop', delay slot]
- *
- * Table validation (at +10):
- *
- * 2 bytes [magic/version word for partitiontable - 0xef, 0xbe]
- * 2 bytes [length of all entries plus the end marker]
- * 4 bytes [checksum for the partitiontable itself]
- *
- * Entries, each with the following format, last has offset -1:
- *
- * 4 bytes [offset in bytes, from start of flash]
- * 4 bytes [length in bytes of partition]
- * 4 bytes [checksum, simple longword sum]
- * 2 bytes [partition type]
- * 2 bytes [flags, only bit 0 used, ro/rw = 1/0]
- * 16 bytes [reserved for future use]
- *
- * End marker
- *
- * 4 bytes [-1]
- *
- * 10 bytes [0, padding]
- *
- * Bit 0 in flags signifies RW or RO. The rescue code only bothers
- * to check the checksum for RO partitions, since the others will
- * change their data without updating the checksums. A 1 in bit 0
- * means RO, 0 means RW. That way, it is possible to set a partition
- * in RO mode initially, and later mark it as RW, since you can always
- * write 0's to the flash.
- *
- * During the wait for serial input, the status LED will flash so the
- * user knows something went wrong.
- *
- * Copyright (C) 1999-2007 Axis Communications AB
- */
-
-#ifdef CONFIG_ETRAX_AXISFLASHMAP
-
-#define ASSEMBLER_MACROS_ONLY
-#include <arch/sv_addr_ag.h>
-
- ;; The partitiontable is looked for at the first sector after the boot
- ;; sector. Sector size is 65536 bytes in all flashes we use.
-
-#define PTABLE_START CONFIG_ETRAX_PTABLE_SECTOR
-#define PTABLE_MAGIC 0xbeef
-
- ;; The normal Etrax100 on-chip boot ROM does serial boot at 0x380000f0.
- ;; That is not where we put our downloaded serial boot-code.
- ;; The length is enough for downloading code that loads the rest
- ;; of itself (after having setup the DRAM etc).
- ;; It is the same length as the on-chip ROM loads, so the same
- ;; host loader can be used to load a rescued product as well as
- ;; one booted through the Etrax serial boot code.
-
-#define CODE_START 0x40000000
-#define CODE_LENGTH 784
-
-#ifdef CONFIG_ETRAX_RESCUE_SER0
-#define SERXOFF R_SERIAL0_XOFF
-#define SERBAUD R_SERIAL0_BAUD
-#define SERRECC R_SERIAL0_REC_CTRL
-#define SERRDAT R_SERIAL0_REC_DATA
-#define SERSTAT R_SERIAL0_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER1
-#define SERXOFF R_SERIAL1_XOFF
-#define SERBAUD R_SERIAL1_BAUD
-#define SERRECC R_SERIAL1_REC_CTRL
-#define SERRDAT R_SERIAL1_REC_DATA
-#define SERSTAT R_SERIAL1_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER2
-#define SERXOFF R_SERIAL2_XOFF
-#define SERBAUD R_SERIAL2_BAUD
-#define SERRECC R_SERIAL2_REC_CTRL
-#define SERRDAT R_SERIAL2_REC_DATA
-#define SERSTAT R_SERIAL2_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER3
-#define SERXOFF R_SERIAL3_XOFF
-#define SERBAUD R_SERIAL3_BAUD
-#define SERRECC R_SERIAL3_REC_CTRL
-#define SERRDAT R_SERIAL3_REC_DATA
-#define SERSTAT R_SERIAL3_STATUS
-#endif
-
-#define NOP_DI 0xf025050f
-#define RAM_INIT_MAGIC 0x56902387
-
- .text
-
- ;; This is the entry point of the rescue code
- ;; 0x80000000 if loaded in flash (as it should be)
- ;; Since etrax actually starts at address 2 when booting from flash, we
- ;; put a nop (2 bytes) here first so we dont accidentally skip the di
-
- nop
- di
-
- jump in_cache ; enter cached area instead
-in_cache:
-
-
- ;; First put a jump test to give a possibility of upgrading the
- ;; rescue code without erasing/reflashing the sector.
- ;; We put a longword of -1 here and if it is not -1, we jump using
- ;; the value as jump target. Since we can always change 1's to 0's
- ;; without erasing the sector, it is possible to add new
- ;; code after this and altering the jumptarget in an upgrade.
-
-jtcd: move.d [jumptarget], $r0
- cmp.d 0xffffffff, $r0
- beq no_newjump
- nop
-
- jump [$r0]
-
-jumptarget:
- .dword 0xffffffff ; can be overwritten later to insert new code
-
-no_newjump:
-#ifdef CONFIG_ETRAX_ETHERNET
- ;; Start MII clock to make sure it is running when tranceiver is reset
- move.d 0x3, $r0 ; enable = on, phy = mii_clk
- move.d $r0, [R_NETWORK_GEN_CONFIG]
-#endif
-
- ;; We need to setup the bus registers before we start using the DRAM
-#include "../../lib/dram_init.S"
-
- ;; we now should go through the checksum-table and check the listed
- ;; partitions for errors.
-
- move.d PTABLE_START, $r3
- move.d [$r3], $r0
- cmp.d NOP_DI, $r0 ; make sure the nop/di is there...
- bne do_rescue
- nop
-
- ;; skip the code transparency block (10 bytes).
-
- addq 10, $r3
-
- ;; check for correct magic
-
- move.w [$r3+], $r0
- cmp.w PTABLE_MAGIC, $r0
- bne do_rescue ; didn't recognize - trig rescue
- nop
-
- ;; check for correct ptable checksum
-
- movu.w [$r3+], $r2 ; ptable length
- move.d $r2, $r8 ; save for later, length of total ptable
- addq 28, $r8 ; account for the rest
- move.d [$r3+], $r4 ; ptable checksum
- move.d $r3, $r1
- jsr checksum ; r1 source, r2 length, returns in r0
-
- cmp.d $r0, $r4
- bne do_rescue ; didn't match - trig rescue
- nop
-
- ;; ptable is ok. validate each entry.
-
- moveq -1, $r7
-
-ploop: move.d [$r3+], $r1 ; partition offset (from ptable start)
- bne notfirst ; check if it is the partition containing ptable
- nop ; yes..
- move.d $r8, $r1 ; for its checksum check, skip the ptable
- move.d [$r3+], $r2 ; partition length
- sub.d $r8, $r2 ; minus the ptable length
- ba bosse
- nop
-notfirst:
- cmp.d -1, $r1 ; the end of the ptable ?
- beq flash_ok ; if so, the flash is validated
- move.d [$r3+], $r2 ; partition length
-bosse: move.d [$r3+], $r5 ; checksum
- move.d [$r3+], $r4 ; type and flags
- addq 16, $r3 ; skip the reserved bytes
- btstq 16, $r4 ; check ro flag
- bpl ploop ; rw partition, skip validation
- nop
- btstq 17, $r4 ; check bootable flag
- bpl 1f
- nop
- move.d $r1, $r7 ; remember boot partition offset
-1:
- add.d PTABLE_START, $r1
-
- jsr checksum ; checksum the partition
-
- cmp.d $r0, $r5
- beq ploop ; checksums matched, go to next entry
- nop
-
- ;; otherwise fall through to the rescue code.
-
-do_rescue:
- ;; setup port PA and PB default initial directions and data
- ;; (so we can flash LEDs, and so that DTR and others are set)
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
- move.b $r0, [R_PORT_PA_DIR]
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
- move.b $r0, [R_PORT_PA_DATA]
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
- move.b $r0, [R_PORT_PB_DIR]
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
- move.b $r0, [R_PORT_PB_DATA]
-
- ;; setup the serial port at 115200 baud
-
- moveq 0, $r0
- move.d $r0, [SERXOFF]
-
- move.b 0x99, $r0
- move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive
-
- move.b 0x40, $r0 ; rec enable
- move.b $r0, [SERRECC]
-
- moveq 0, $r1 ; "timer" to clock out a LED red flash
- move.d CODE_START, $r3 ; destination counter
- movu.w CODE_LENGTH, $r4; length
-
-wait_ser:
- addq 1, $r1
-#ifndef CONFIG_ETRAX_NO_LEDS
-#ifdef CONFIG_ETRAX_PA_LEDS
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2
-#endif
-#ifdef CONFIG_ETRAX_PB_LEDS
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2
-#endif
- move.d (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0
- btstq 16, $r1
- bpl 1f
- nop
- or.d $r0, $r2 ; set bit
- ba 2f
- nop
-1: not $r0 ; clear bit
- and.d $r0, $r2
-2:
-#ifdef CONFIG_ETRAX_PA_LEDS
- move.b $r2, [R_PORT_PA_DATA]
-#endif
-#ifdef CONFIG_ETRAX_PB_LEDS
- move.b $r2, [R_PORT_PB_DATA]
-#endif
-#ifdef CONFIG_ETRAX_90000000_LEDS
- move.b $r2, [0x90000000]
-#endif
-#endif
-
- ;; check if we got something on the serial port
-
- move.b [SERSTAT], $r0
- btstq 0, $r0 ; data_avail
- bpl wait_ser
- nop
-
- ;; got something - copy the byte and loop
-
- move.b [SERRDAT], $r0
- move.b $r0, [$r3+]
-
- subq 1, $r4 ; decrease length
- bne wait_ser
- nop
-
- ;; jump into downloaded code
-
- move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is
- ; initialized
- jump CODE_START
-
-flash_ok:
- ;; check r7, which contains either -1 or the partition to boot from
-
- cmp.d -1, $r7
- bne 1f
- nop
- move.d PTABLE_START, $r7; otherwise use the ptable start
-1:
- move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is
- ; initialized
- jump $r7 ; boot!
-
-
- ;; Helper subroutines
-
- ;; Will checksum by simple addition
- ;; r1 - source
- ;; r2 - length in bytes
- ;; result will be in r0
-checksum:
- moveq 0, $r0
- moveq CONFIG_ETRAX_FLASH1_SIZE, $r6
-
- ;; If the first physical flash memory is exceeded wrap to the
- ;; second one
- btstq 26, $r1 ; Are we addressing first flash?
- bpl 1f
- nop
- clear.d $r6
-
-1: test.d $r6 ; 0 = no wrapping
- beq 2f
- nop
- lslq 20, $r6 ; Convert MB to bytes
- sub.d $r1, $r6
-
-2: addu.b [$r1+], $r0
- subq 1, $r6 ; Flash memory left
- beq 3f
- subq 1, $r2 ; Length left
- bne 2b
- nop
- ret
- nop
-
-3: move.d MEM_CSE1_START, $r1 ; wrap to second flash
- ba 2b
- nop
-
-#endif
+++ /dev/null
-/*
- * Rescue code to be prepended on a kimage and copied to the
- * rescue serial port.
- * This is called from the rescue code, it will copy received data to
- * 4004000 and after a timeout jump to it.
- */
-
-#define ASSEMBLER_MACROS_ONLY
-#include <arch/sv_addr_ag.h>
-
-#define CODE_START 0x40004000
-#define CODE_LENGTH 784
-#define TIMEOUT_VALUE 1000
-
-
-#ifdef CONFIG_ETRAX_RESCUE_SER0
-#define SERXOFF R_SERIAL0_XOFF
-#define SERBAUD R_SERIAL0_BAUD
-#define SERRECC R_SERIAL0_REC_CTRL
-#define SERRDAT R_SERIAL0_REC_DATA
-#define SERSTAT R_SERIAL0_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER1
-#define SERXOFF R_SERIAL1_XOFF
-#define SERBAUD R_SERIAL1_BAUD
-#define SERRECC R_SERIAL1_REC_CTRL
-#define SERRDAT R_SERIAL1_REC_DATA
-#define SERSTAT R_SERIAL1_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER2
-#define SERXOFF R_SERIAL2_XOFF
-#define SERBAUD R_SERIAL2_BAUD
-#define SERRECC R_SERIAL2_REC_CTRL
-#define SERRDAT R_SERIAL2_REC_DATA
-#define SERSTAT R_SERIAL2_STATUS
-#endif
-#ifdef CONFIG_ETRAX_RESCUE_SER3
-#define SERXOFF R_SERIAL3_XOFF
-#define SERBAUD R_SERIAL3_BAUD
-#define SERRECC R_SERIAL3_REC_CTRL
-#define SERRDAT R_SERIAL3_REC_DATA
-#define SERSTAT R_SERIAL3_STATUS
-#endif
-
- .text
- ;; This is the entry point of the rescue code
- ;; 0x80000000 if loaded in flash (as it should be)
- ;; since etrax actually starts at address 2 when booting from flash, we
- ;; put a nop (2 bytes) here first so we dont accidentally skip the di
-
- nop
- di
-#ifndef CONFIG_SVINTO_SIM
- ;; setup port PA and PB default initial directions and data
- ;; (so we can flash LEDs, and so that DTR and others are set)
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
- move.b $r0, [R_PORT_PA_DIR]
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
- move.b $r0, [R_PORT_PA_DATA]
-
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
- move.b $r0, [R_PORT_PB_DIR]
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
- move.b $r0, [R_PORT_PB_DATA]
-
- ;; We need to setup the bus registers before we start using the DRAM
-#include "../../lib/dram_init.S"
-
-#endif
- ;; Setup the stack to a suitably high address.
- ;; We assume 8 MB is the minimum DRAM in an eLinux
- ;; product and put the sp at the top for now.
-
- move.d 0x40800000, $sp
-
- ;; setup the serial port at 115200 baud
-
- moveq 0, $r0
- move.d $r0, [SERXOFF]
-
- move.b 0x99, $r0
- move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit
- ; and receive
-
- move.b 0x40, $r0 ; rec enable
- move.b $r0, [SERRECC]
-
-
- moveq 0, $r1 ; "timer" to clock out a LED red flash
- move.d CODE_START, $r3 ; destination counter
- move.d CODE_LENGTH, $r4 ; length
- move.d TIMEOUT_VALUE, $r5 ; "timeout" until jump
-
-wait_ser:
- addq 1, $r1
- subq 1, $r5 ; decrease timeout
- beq jump_start ; timed out
- nop
-#ifndef CONFIG_ETRAX_NO_LEDS
-#ifdef CONFIG_ETRAX_PA_LEDS
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2
-#endif
-#ifdef CONFIG_ETRAX_PB_LEDS
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2
-#endif
- move.d (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0
- btstq 16, $r1
- bpl 1f
- nop
- or.d $r0, $r2 ; set bit
- ba 2f
- nop
-1: not $r0 ; clear bit
- and.d $r0, $r2
-2:
-#ifdef CONFIG_ETRAX_PA_LEDS
- move.b $r2, [R_PORT_PA_DATA]
-#endif
-#ifdef CONFIG_ETRAX_PB_LEDS
- move.b $r2, [R_PORT_PB_DATA]
-#endif
-#endif
-
- ;; check if we got something on the serial port
-
- move.b [SERSTAT], $r0
- btstq 0, $r0 ; data_avail
- bpl wait_ser
- nop
-
- ;; got something - copy the byte and loop
-
- move.b [SERRDAT], $r0
- move.b $r0, [$r3+]
- move.d TIMEOUT_VALUE, $r5 ; reset "timeout"
- subq 1, $r4 ; decrease length
- bne wait_ser
- nop
-jump_start:
- ;; jump into downloaded code
-
- jump CODE_START
+++ /dev/null
-MEMORY
- {
- flash : ORIGIN = 0x00000000,
- LENGTH = 0x00100000
- }
-
-SECTIONS
-{
- .text :
- {
- stext = . ;
- *(.text)
- etext = . ;
- } > flash
- .data :
- {
- *(.data)
- edata = . ;
- } > flash
-}
+++ /dev/null
-/*
- * Simple testcode to download by the rescue block.
- * Just lights some LEDs to show it was downloaded correctly.
- *
- * Copyright (C) 1999 Axis Communications AB
- */
-
-#define ASSEMBLER_MACROS_ONLY
-#include <arch/sv_addr_ag.h>
-
- .text
-
- nop
- nop
- moveq -1, $r2
- move.b $r2, [R_PORT_PA_DIR]
- moveq 0, $r2
- move.b $r2, [R_PORT_PA_DATA]
-
-endless:
- nop
- ba endless
- nop
-
+++ /dev/null
-/*
- * linux/tools/build.c
- *
- * Copyright (C) 1991, 1992 Linus Torvalds
- */
-
-/*
- * This file builds a disk-image from three different files:
- *
- * - bootsect: exactly 512 bytes of 8086 machine code, loads the rest
- * - setup: 8086 machine code, sets up system parm
- * - system: 80386 code for actual system
- *
- * It does some checking that all files are of the correct type, and
- * just writes the result to stdout, removing headers and padding to
- * the right amount. It also writes some system data to stderr.
- */
-
-/*
- * Changes by tytso to allow root device specification
- * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
- * Cross compiling fixes by Gertjan van Wingerde, July 1996
- */
-
-#include <stdio.h> /* fprintf */
-#include <string.h>
-#include <stdlib.h> /* contains exit */
-#include <sys/types.h> /* unistd.h needs this */
-#include <sys/stat.h>
-#include <sys/sysmacros.h>
-#include <unistd.h> /* contains read/write */
-#include <fcntl.h>
-#include <errno.h>
-
-#define MINIX_HEADER 32
-
-#define N_MAGIC_OFFSET 1024
-#ifndef __BFD__
-static int GCC_HEADER = sizeof(struct exec);
-#endif
-
-#ifdef __BIG_KERNEL__
-#define SYS_SIZE 0xffff
-#else
-#define SYS_SIZE DEF_SYSSIZE
-#endif
-
-#define DEFAULT_MAJOR_ROOT 0
-#define DEFAULT_MINOR_ROOT 0
-
-/* max nr of sectors of setup: don't change unless you also change
- * bootsect etc */
-#define SETUP_SECTS 4
-
-#define STRINGIFY(x) #x
-
-typedef union {
- int i;
- long l;
- short s[2];
- char b[4];
-} conv;
-
-long intel_long(long l)
-{
- conv t;
-
- t.b[0] = l & 0xff; l >>= 8;
- t.b[1] = l & 0xff; l >>= 8;
- t.b[2] = l & 0xff; l >>= 8;
- t.b[3] = l & 0xff; l >>= 8;
- return t.l;
-}
-
-int intel_int(int i)
-{
- conv t;
-
- t.b[0] = i & 0xff; i >>= 8;
- t.b[1] = i & 0xff; i >>= 8;
- t.b[2] = i & 0xff; i >>= 8;
- t.b[3] = i & 0xff; i >>= 8;
- return t.i;
-}
-
-short intel_short(short l)
-{
- conv t;
-
- t.b[0] = l & 0xff; l >>= 8;
- t.b[1] = l & 0xff; l >>= 8;
- return t.s[0];
-}
-
-void die(const char * str)
-{
- fprintf(stderr,"%s\n",str);
- exit(1);
-}
-
-void usage(void)
-{
- die("Usage: build bootsect setup system [rootdev] [> image]");
-}
-
-int main(int argc, char ** argv)
-{
- int i,c,id,sz,tmp_int;
- unsigned long sys_size, tmp_long;
- char buf[1024];
-#ifndef __BFD__
- struct exec *ex = (struct exec *)buf;
-#endif
- char major_root, minor_root;
- struct stat sb;
- unsigned char setup_sectors;
-
- if ((argc < 4) || (argc > 5))
- usage();
- if (argc > 4) {
- if (!strcmp(argv[4], "CURRENT")) {
- if (stat("/", &sb)) {
- perror("/");
- die("Couldn't stat /");
- }
- major_root = major(sb.st_dev);
- minor_root = minor(sb.st_dev);
- } else if (strcmp(argv[4], "FLOPPY")) {
- if (stat(argv[4], &sb)) {
- perror(argv[4]);
- die("Couldn't stat root device.");
- }
- major_root = major(sb.st_rdev);
- minor_root = minor(sb.st_rdev);
- } else {
- major_root = 0;
- minor_root = 0;
- }
- } else {
- major_root = DEFAULT_MAJOR_ROOT;
- minor_root = DEFAULT_MINOR_ROOT;
- }
- fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root);
- for (i=0;i<sizeof buf; i++) buf[i]=0;
- if ((id=open(argv[1],O_RDONLY,0))<0)
- die("Unable to open 'boot'");
- if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
- die("Unable to read header of 'boot'");
- if (((long *) buf)[0]!=intel_long(0x04100301))
- die("Non-Minix header of 'boot'");
- if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
- die("Non-Minix header of 'boot'");
- if (((long *) buf)[3] != 0)
- die("Illegal data segment in 'boot'");
- if (((long *) buf)[4] != 0)
- die("Illegal bss in 'boot'");
- if (((long *) buf)[5] != 0)
- die("Non-Minix header of 'boot'");
- if (((long *) buf)[7] != 0)
- die("Illegal symbol table in 'boot'");
- i=read(id,buf,sizeof buf);
- fprintf(stderr,"Boot sector %d bytes.\n",i);
- if (i != 512)
- die("Boot block must be exactly 512 bytes");
- if ((*(unsigned short *)(buf+510)) != (unsigned short)intel_short(0xAA55))
- die("Boot block hasn't got boot flag (0xAA55)");
- buf[508] = (char) minor_root;
- buf[509] = (char) major_root;
- i=write(1,buf,512);
- if (i!=512)
- die("Write call failed");
- close (id);
-
- if ((id=open(argv[2],O_RDONLY,0))<0)
- die("Unable to open 'setup'");
- if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
- die("Unable to read header of 'setup'");
- if (((long *) buf)[0]!=intel_long(0x04100301))
- die("Non-Minix header of 'setup'");
- if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
- die("Non-Minix header of 'setup'");
- if (((long *) buf)[3] != 0)
- die("Illegal data segment in 'setup'");
- if (((long *) buf)[4] != 0)
- die("Illegal bss in 'setup'");
- if (((long *) buf)[5] != 0)
- die("Non-Minix header of 'setup'");
- if (((long *) buf)[7] != 0)
- die("Illegal symbol table in 'setup'");
- for (i=0 ; (c=read(id,buf,sizeof buf))>0 ; i+=c )
-#ifdef __BIG_KERNEL__
- {
- if (!i) {
- /* Working with memcpy because of alignment constraints
- on Sparc - Gertjan */
- memcpy(&tmp_long, &buf[2], sizeof(long));
- if (tmp_long != intel_long(0x53726448) )
- die("Wrong magic in loader header of 'setup'");
- memcpy(&tmp_int, &buf[6], sizeof(int));
- if (tmp_int < intel_int(0x200))
- die("Wrong version of loader header of 'setup'");
- buf[0x11] = 1; /* LOADED_HIGH */
- tmp_long = intel_long(0x100000);
- memcpy(&buf[0x14], &tmp_long, sizeof(long)); /* code32_start */
- }
-#endif
- if (write(1,buf,c)!=c)
- die("Write call failed");
-#ifdef __BIG_KERNEL__
- }
-#endif
- if (c != 0)
- die("read-error on 'setup'");
- close (id);
- setup_sectors = (unsigned char)((i + 511) / 512);
- /* for compatibility with LILO */
- if (setup_sectors < SETUP_SECTS)
- setup_sectors = SETUP_SECTS;
- fprintf(stderr,"Setup is %d bytes.\n",i);
- for (c=0 ; c<sizeof(buf) ; c++)
- buf[c] = '\0';
- while (i < setup_sectors * 512) {
- c = setup_sectors * 512 - i;
- if (c > sizeof(buf))
- c = sizeof(buf);
- if (write(1,buf,c) != c)
- die("Write call failed");
- i += c;
- }
-
- if ((id=open(argv[3],O_RDONLY,0))<0)
- die("Unable to open 'system'");
-#ifndef __BFD__
- if (read(id,buf,GCC_HEADER) != GCC_HEADER)
- die("Unable to read header of 'system'");
- if (N_MAGIC(*ex) == ZMAGIC) {
- GCC_HEADER = N_MAGIC_OFFSET;
- lseek(id, GCC_HEADER, SEEK_SET);
- } else if (N_MAGIC(*ex) != QMAGIC)
- die("Non-GCC header of 'system'");
- fprintf(stderr,"System is %d kB (%d kB code, %d kB data and %d kB bss)\n",
- (ex->a_text+ex->a_data+ex->a_bss)/1024,
- ex->a_text /1024,
- ex->a_data /1024,
- ex->a_bss /1024);
- sz = N_SYMOFF(*ex) - GCC_HEADER + 4;
-#else
- if (fstat (id, &sb)) {
- perror ("fstat");
- die ("Unable to stat 'system'");
- }
- sz = sb.st_size;
- fprintf (stderr, "System is %d kB\n", sz/1024);
-#endif
- sys_size = (sz + 15) / 16;
- if (sys_size > SYS_SIZE)
- die("System is too big");
- while (sz > 0) {
- int l, n;
-
- l = sz;
- if (l > sizeof(buf))
- l = sizeof(buf);
- if ((n=read(id, buf, l)) != l) {
- if (n == -1)
- perror(argv[1]);
- else
- fprintf(stderr, "Unexpected EOF\n");
- die("Can't read 'system'");
- }
- if (write(1, buf, l) != l)
- die("Write failed");
- sz -= l;
- }
- close(id);
- if (lseek(1, 497, 0) == 497) {
- if (write(1, &setup_sectors, 1) != 1)
- die("Write of setup sectors failed");
- }
- if (lseek(1,500,0) == 500) {
- buf[0] = (sys_size & 0xff);
- buf[1] = ((sys_size >> 8) & 0xff);
- if (write(1, buf, 2) != 2)
- die("Write failed");
- }
- return(0);
-}
movem $r13, [$sp]
push $r10 ; push orig_r10
clear.d [$sp=$sp-4] ; frametype == 0, normal frame
-
+
move.d $sp, $r10
jsr do_multiple_IRQ
-
+
jump ret_from_intr
do_sigtrap:
pop $r0 ; Restore r0.
ba do_sigtrap ; SIGTRAP the offending process.
pop $dccr ; Restore dccr in delay slot.
-
+
.global kernel_execve
kernel_execve:
move.d __NR_execve, $r9
.long sys_fallocate
.long sys_timerfd_settime /* 325 */
.long sys_timerfd_gettime
+ .long sys_signalfd4
+ .long sys_eventfd2
+ .long sys_epoll_create1
+ .long sys_dup3 /* 330 */
+ .long sys_pipe2
+ .long sys_inotify_init1
+ .long sys_preadv
+ .long sys_pwritev
/*
* NOTE!! This doesn't have to be exact - we just have
+++ /dev/null
-#
-# arch/cris/arch-v32/boot/Makefile
-#
-
-OBJCOPYFLAGS = -O binary -R .note -R .comment
-
-subdir- := compressed rescue
-targets := Image
-
-$(obj)/Image: vmlinux FORCE
- $(call if_changed,objcopy)
- @echo ' Kernel: $@ is ready'
-
-$(obj)/compressed/vmlinux: $(obj)/Image FORCE
- $(Q)$(MAKE) $(build)=$(obj)/compressed $@
- $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
-
-$(obj)/zImage: $(obj)/compressed/vmlinux
- @cp $< $@
- @echo ' Kernel: $@ is ready'
+++ /dev/null
-#
-# arch/cris/arch-v32/boot/compressed/Makefile
-#
-
-asflags-y += -I$(srctree)/include/asm/mach/ -I$(srctree)/include/asm/arch
-ccflags-y += -O2 -I$(srctree)/include/asm/mach/ -I$(srctree)/include/asm/arch
-ldflags-y += -T$(srctree)/$(src)/decompress.lds
-OBJECTS = $(obj)/head.o $(obj)/misc.o
-OBJCOPYFLAGS = -O binary --remove-section=.bss
-
-quiet_cmd_image = BUILD $@
-cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
-
-targets := vmlinux piggy.gz decompress.o decompress.bin
-
-$(obj)/decompress.o: $(OBJECTS) FORCE
- $(call if_changed,ld)
-
-$(obj)/decompress.bin: $(obj)/decompress.o FORCE
- $(call if_changed,objcopy)
-
-$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
- $(call if_changed,image)
-
-$(obj)/piggy.gz: $(obj)/../Image FORCE
- $(call if_changed,gzip)
+++ /dev/null
-Creation of the self-extracting compressed kernel image (vmlinuz)
------------------------------------------------------------------
-
-This can be slightly confusing because it's a process with many steps.
-
-The kernel object built by the arch/etrax100/Makefile, vmlinux, is split
-by that makefile into text and data binary files, vmlinux.text and
-vmlinux.data.
-
-Those files together with a ROM filesystem can be catted together and
-burned into a flash or executed directly at the DRAM origin.
-
-They can also be catted together and compressed with gzip, which is what
-happens in this makefile. Together they make up piggy.img.
-
-The decompressor is built into the file decompress.o. It is turned into
-the binary file decompress.bin, which is catted together with piggy.img
-into the file vmlinuz. It can be executed in an arbitrary place in flash.
-
-Be careful - it assumes some things about free locations in DRAM. It
-assumes the DRAM starts at 0x40000000 and that it is at least 8 MB,
-so it puts its code at 0x40700000, and initial stack at 0x40800000.
-
--Bjorn
+++ /dev/null
-/*#OUTPUT_FORMAT(elf32-us-cris) */
-OUTPUT_ARCH (crisv32)
-
-MEMORY
- {
- dram : ORIGIN = 0x40700000,
- LENGTH = 0x00100000
- }
-
-SECTIONS
-{
- .text :
- {
- _stext = . ;
- *(.text)
- *(.rodata)
- *(.rodata.*)
- _etext = . ;
- } > dram
- .data :
- {
- *(.data)
- _edata = . ;
- } > dram
- .bss :
- {
- *(.bss)
- _end = ALIGN( 0x10 ) ;
- } > dram
-}
+++ /dev/null
-/*
- * Code that sets up the DRAM registers, calls the
- * decompressor to unpack the piggybacked kernel, and jumps.
- *
- * Copyright (C) 1999 - 2006, Axis Communications AB
- */
-
-#define ASSEMBLER_MACROS_ONLY
-#include <hwregs/asm/reg_map_asm.h>
-#include <mach/startup.inc>
-
-#define RAM_INIT_MAGIC 0x56902387
-#define COMMAND_LINE_MAGIC 0x87109563
-
- ;; Exported symbols
-
- .globl input_data
-
- .text
-_start:
- di
-
- ;; Start clocks for used blocks.
- START_CLOCKS
-
- ;; Initialize the DRAM registers.
- cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
- beq dram_init_finished
- nop
-
-#if defined CONFIG_ETRAXFS
-#include "../../mach-fs/dram_init.S"
-#elif defined CONFIG_CRIS_MACH_ARTPEC3
-#include "../../mach-a3/dram_init.S"
-#else
-#error Only ETRAXFS and ARTPEC-3 supported!
-#endif
-
-dram_init_finished:
-
- GIO_INIT
- ;; Setup the stack to a suitably high address.
- ;; We assume 8 MB is the minimum DRAM and put
- ;; the SP at the top for now.
-
- move.d 0x40800000, $sp
-
- ;; Figure out where the compressed piggyback image is.
- ;; It is either in [NOR] flash (we don't want to copy it
- ;; to DRAM before unpacking), or copied to DRAM
- ;; by the [NAND] flash boot loader.
- ;; The piggyback image is at _edata, but relative to where the
- ;; image is actually located in memory, not where it is linked
- ;; (the decompressor is linked at 0x40700000+ and runs there).
- ;; Use (_edata - herami) as offset to the current PC.
-
-hereami:
- lapcq ., $r5 ; get PC
- and.d 0x7fffffff, $r5 ; strip any non-cache bit
- move.d $r5, $r0 ; source address of 'herami'
- add.d _edata, $r5
- sub.d hereami, $r5 ; r5 = flash address of '_edata'
- move.d hereami, $r1 ; destination
-
- ;; Copy text+data to DRAM
-
- move.d _edata, $r2 ; end destination
-1: move.w [$r0+], $r3 ; from herami+ source
- move.w $r3, [$r1+] ; to hereami+ destination (linked address)
- cmp.d $r2, $r1 ; finish when destination == _edata
- bcs 1b
- nop
- move.d input_data, $r0 ; for the decompressor
- move.d $r5, [$r0] ; for the decompressor
-
- ;; Clear the decompressors BSS (between _edata and _end)
-
- moveq 0, $r0
- move.d _edata, $r1
- move.d _end, $r2
-1: move.w $r0, [$r1+]
- cmp.d $r2, $r1
- bcs 1b
- nop
-
- ;; Save command line magic and address.
- move.d _cmd_line_magic, $r0
- move.d $r10, [$r0]
- move.d _cmd_line_addr, $r0
- move.d $r11, [$r0]
-
- ;; Save boot source indicator
- move.d _boot_source, $r0
- move.d $r12, [$r0]
-
- ;; Do the decompression and save compressed size in _inptr
-
- jsr decompress_kernel
- nop
-
- ;; Restore boot source indicator
- move.d _boot_source, $r12
- move.d [$r12], $r12
-
- ;; Restore command line magic and address.
- move.d _cmd_line_magic, $r10
- move.d [$r10], $r10
- move.d _cmd_line_addr, $r11
- move.d [$r11], $r11
-
- ;; Put start address of root partition in r9 so the kernel can use it
- ;; when mounting from flash
- move.d input_data, $r0
- move.d [$r0], $r9 ; flash address of compressed kernel
- move.d inptr, $r0
- add.d [$r0], $r9 ; size of compressed kernel
- cmp.d 0x40000000, $r9 ; image in DRAM ?
- blo enter_kernel ; no, must be [NOR] flash, jump
- nop ; delay slot
- and.d 0x001fffff, $r9 ; assume compressed kernel was < 2M
-
-enter_kernel:
- ;; Enter the decompressed kernel
- move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
- jump 0x40004000 ; kernel is linked to this address
- nop
-
- .data
-
-input_data:
- .dword 0 ; used by the decompressor
-_cmd_line_magic:
- .dword 0
-_cmd_line_addr:
- .dword 0
-_boot_source:
- .dword 0
-
-#if defined CONFIG_ETRAXFS
-#include "../../mach-fs/hw_settings.S"
-#elif defined CONFIG_CRIS_MACH_ARTPEC3
-#include "../../mach-a3/hw_settings.S"
-#else
-#error Only ETRAXFS and ARTPEC-3 supported!
-#endif
+++ /dev/null
-/*
- * misc.c
- *
- * This is a collection of several routines from gzip-1.0.3
- * adapted for Linux.
- *
- * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
- * puts by Nick Holloway 1993, better puts by Martin Mares 1995
- * adaptation for Linux/CRIS Axis Communications AB, 1999
- *
- */
-
-/* where the piggybacked kernel image expects itself to live.
- * it is the same address we use when we network load an uncompressed
- * image into DRAM, and it is the address the kernel is linked to live
- * at by vmlinux.lds.S
- */
-
-#define KERNEL_LOAD_ADR 0x40004000
-
-
-#include <linux/types.h>
-#include <hwregs/reg_rdwr.h>
-#include <hwregs/reg_map.h>
-#include <hwregs/ser_defs.h>
-#include <hwregs/pinmux_defs.h>
-#ifdef CONFIG_CRIS_MACH_ARTPEC3
-#include <hwregs/clkgen_defs.h>
-#endif
-
-/*
- * gzip declarations
- */
-
-#define OF(args) args
-#define STATIC static
-
-void* memset(void* s, int c, size_t n);
-void* memcpy(void* __dest, __const void* __src,
- size_t __n);
-
-#define memzero(s, n) memset ((s), 0, (n))
-
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-unsigned inptr = 0; /* index of next byte to be processed in inbuf
- * After decompression it will contain the
- * compressed size, and head.S will read it.
- */
-
-static unsigned outcnt = 0; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() inbuf[inptr++]
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
-# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
-static void flush_window(void);
-static void error(char *m);
-
-extern char *input_data; /* lives in head.S */
-
-static long bytes_out;
-static uch *output_data;
-static unsigned long output_ptr;
-
-static void error(char *m);
-
-static void puts(const char *);
-
-/* the "heap" is put directly after the BSS ends, at end */
-
-extern int _end;
-static long free_mem_ptr = (long)&_end;
-static long free_mem_end_ptr;
-
-#include "../../../../../lib/inflate.c"
-
-/* decompressor info and error messages to serial console */
-
-static inline void
-serout(const char *s, reg_scope_instances regi_ser)
-{
- reg_ser_rs_stat_din rs;
- reg_ser_rw_dout dout = {.data = *s};
-
- do {
- rs = REG_RD(ser, regi_ser, rs_stat_din);
- }
- while (!rs.tr_rdy);/* Wait for transceiver. */
-
- REG_WR(ser, regi_ser, rw_dout, dout);
-}
-
-static void
-puts(const char *s)
-{
-#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
- while (*s) {
-#ifdef CONFIG_ETRAX_DEBUG_PORT0
- serout(s, regi_ser0);
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT1
- serout(s, regi_ser1);
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT2
- serout(s, regi_ser2);
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT3
- serout(s, regi_ser3);
-#endif
- *s++;
- }
-/* CONFIG_ETRAX_DEBUG_PORT_NULL */
-#endif
-}
-
-void*
-memset(void* s, int c, size_t n)
-{
- int i;
- char *ss = (char*)s;
-
- for (i=0;i<n;i++) ss[i] = c;
-
- return s;
-}
-
-void*
-memcpy(void* __dest, __const void* __src,
- size_t __n)
-{
- int i;
- char *d = (char *)__dest, *s = (char *)__src;
-
- for (i=0;i<__n;i++) d[i] = s[i];
-
- return __dest;
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-
-static void
-flush_window()
-{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg)outcnt;
- output_ptr += (ulg)outcnt;
- outcnt = 0;
-}
-
-static void
-error(char *x)
-{
- puts("\r\n\n");
- puts(x);
- puts("\r\n\n -- System halted\n");
-
- while(1); /* Halt */
-}
-
-void
-setup_normal_output_buffer(void)
-{
- output_data = (char *)KERNEL_LOAD_ADR;
-}
-
-static inline void
-serial_setup(reg_scope_instances regi_ser)
-{
- reg_ser_rw_xoff xoff;
- reg_ser_rw_tr_ctrl tr_ctrl;
- reg_ser_rw_rec_ctrl rec_ctrl;
- reg_ser_rw_tr_baud_div tr_baud;
- reg_ser_rw_rec_baud_div rec_baud;
-
- /* Turn off XOFF. */
- xoff = REG_RD(ser, regi_ser, rw_xoff);
-
- xoff.chr = 0;
- xoff.automatic = regk_ser_no;
-
- REG_WR(ser, regi_ser, rw_xoff, xoff);
-
- /* Set baudrate and stopbits. */
- tr_ctrl = REG_RD(ser, regi_ser, rw_tr_ctrl);
- rec_ctrl = REG_RD(ser, regi_ser, rw_rec_ctrl);
- tr_baud = REG_RD(ser, regi_ser, rw_tr_baud_div);
- rec_baud = REG_RD(ser, regi_ser, rw_rec_baud_div);
-
- tr_ctrl.stop_bits = 1; /* 2 stop bits. */
- tr_ctrl.en = 1; /* enable transmitter */
- rec_ctrl.en = 1; /* enabler receiver */
-
- /*
- * The baudrate setup used to be a bit fishy, but now transmitter and
- * receiver are both set to the intended baud rate, 115200.
- * The magic value is 29.493 MHz.
- */
- tr_ctrl.base_freq = regk_ser_f29_493;
- rec_ctrl.base_freq = regk_ser_f29_493;
- tr_baud.div = (29493000 / 8) / 115200;
- rec_baud.div = (29493000 / 8) / 115200;
-
- REG_WR(ser, regi_ser, rw_tr_ctrl, tr_ctrl);
- REG_WR(ser, regi_ser, rw_tr_baud_div, tr_baud);
- REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
- REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud);
-}
-
-void
-decompress_kernel(void)
-{
- char revision;
-
-#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
- defined(CONFIG_ETRAX_DEBUG_PORT2) || \
- defined(CONFIG_ETRAX_DEBUG_PORT3)
- reg_pinmux_rw_hwprot hwprot;
-
-#ifdef CONFIG_CRIS_MACH_ARTPEC3
- reg_clkgen_rw_clk_ctrl clk_ctrl;
-
- /* Enable corresponding clock region when serial 1..3 selected */
-
- clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl);
- clk_ctrl.sser_ser_dma6_7 = regk_clkgen_yes;
- REG_WR(clkgen, regi_clkgen, rw_clk_ctrl, clk_ctrl);
-#endif
-
- /* pinmux setup for ports 1..3 */
- hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
-#endif
-
-#ifdef CONFIG_ETRAX_DEBUG_PORT0
- serial_setup(regi_ser0);
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT1
- hwprot.ser1 = regk_pinmux_yes;
- serial_setup(regi_ser1);
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT2
- hwprot.ser2 = regk_pinmux_yes;
- serial_setup(regi_ser2);
-#endif
-#ifdef CONFIG_ETRAX_DEBUG_PORT3
- hwprot.ser3 = regk_pinmux_yes;
- serial_setup(regi_ser3);
-#endif
-#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
- defined(CONFIG_ETRAX_DEBUG_PORT2) || \
- defined(CONFIG_ETRAX_DEBUG_PORT3)
- REG_WR(pinmux, regi_pinmux, rw_hwprot, hwprot);
-#endif
-
- /* input_data is set in head.S */
- inbuf = input_data;
-
- setup_normal_output_buffer();
-
- makecrc();
-
- __asm__ volatile ("move $vr,%0" : "=rm" (revision));
- if (revision < 32)
- {
- puts("You need an ETRAX FS to run Linux 2.6/crisv32.\r\n");
- while(1);
- }
-
- puts("Uncompressing Linux...\r\n");
- gunzip();
- puts("Done. Now booting the kernel.\r\n");
-}
+++ /dev/null
-#
-# Makefile for rescue (bootstrap) code
-#
-
-CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
-ccflags-y += -O2 -I $(srctree)/include/asm/arch/mach/ \
- -I $(srctree)/include/asm/arch
-asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch
-LD = gcc-cris -mlinux -march=v32 -nostdlib
-ldflags-y += -T $(srctree)/$(src)/rescue.lds
-LDPOSTFLAGS = -lgcc
-OBJCOPYFLAGS = -O binary --remove-section=.bss
-obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
-OBJECT := $(obj)/head.o
-
-targets := rescue.o rescue.bin
-
-quiet_cmd_ldlibgcc = LD $@
-cmd_ldlibgcc = $(LD) $(LDFLAGS) $(filter-out FORCE,$^) $(LDPOSTFLAGS) -o $@
-
-$(obj)/rescue.o: $(OBJECTS) FORCE
- $(call if_changed,ldlibgcc)
-
-$(obj)/rescue.bin: $(obj)/rescue.o FORCE
- $(call if_changed,objcopy)
- cp -p $(obj)/rescue.bin $(objtree)
+++ /dev/null
-/*
- * Just get started by jumping to CONFIG_ETRAX_PTABLE_SECTOR to start
- * kernel decompressor.
- *
- * In practice, this only works for NOR flash (or some convoluted RAM boot)
- * and hence is not really useful for Artpec-3, so it's Etrax FS / NOR only.
- *
- */
-
-#include <mach/startup.inc>
-
-#ifdef CONFIG_ETRAX_AXISFLASHMAP
-
-;; Code
-
- .text
-start:
-
- ;; Start clocks for used blocks.
- START_CLOCKS
-
- move.d CONFIG_ETRAX_PTABLE_SECTOR, $r10
- jump $r10 ; Jump to decompressor
- nop
-
-#endif
+++ /dev/null
-/*#OUTPUT_FORMAT(elf32-us-cris) */
-OUTPUT_ARCH (crisv32)
-/* Now that NAND support has been stripped, this file could be simplified,
- * but it doesn't do any harm on the other hand so why bother. */
-
-MEMORY
- {
- bootblk : ORIGIN = 0x38000000,
- LENGTH = 0x00004000
- intmem : ORIGIN = 0x38004000,
- LENGTH = 0x00005000
- }
-
-SECTIONS
-{
- .text :
- {
- _stext = . ;
- *(.text)
- *(.init.text)
- *(.rodata)
- *(.rodata.*)
- _etext = . ;
- } > bootblk
- .data :
- {
- *(.data)
- _edata = . ;
- } > bootblk
- .bss :
- {
- _bss = . ;
- *(.bss)
- _end = ALIGN( 0x10 ) ;
- } > intmem
-
- /* Get rid of stuff from EXPORT_SYMBOL(foo). */
- /DISCARD/ :
- {
- *(__ksymtab_strings)
- *(__ksymtab)
- }
-}
shadow |= ~readl(dir_oe[priv->minor]) |
(arg & changeable_bits[priv->minor]);
i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));
- spin_lock_irqrestore(&gpio_lock, flags);
+ spin_unlock_irqrestore(&gpio_lock, flags);
break;
case IO_CLRBITS:
spin_lock_irqsave(&gpio_lock, flags);
shadow |= ~readl(dir_oe[priv->minor]) &
~(arg & changeable_bits[priv->minor]);
i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow));
- spin_lock_irqrestore(&gpio_lock, flags);
+ spin_unlock_irqrestore(&gpio_lock, flags);
break;
case IO_HIGHALARM:
/* Set alarm when bits with 1 in arg go high. */
process.o ptrace.o setup.o signal.o traps.o time.o \
cache.o cacheflush.o
-obj-$(CONFIG_ETRAXFS_SIM) += vcs_hook.o
-
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_ETRAX_KGDB) += kgdb.o kgdb_asm.o
obj-$(CONFIG_ETRAX_FAST_TIMER) += fasttimer.o
.long sys_fallocate
.long sys_timerfd_settime /* 325 */
.long sys_timerfd_gettime
+ .long sys_signalfd4
+ .long sys_eventfd2
+ .long sys_epoll_create1
+ .long sys_dup3 /* 330 */
+ .long sys_pipe2
+ .long sys_inotify_init1
+ .long sys_preadv
+ .long sys_pwritev
/*
* NOTE!! This doesn't have to be exact - we just have
--- /dev/null
+Image
+zImage
--- /dev/null
+#
+# arch/cris/boot/Makefile
+#
+
+objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment
+objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss
+
+OBJCOPYFLAGS = -O binary $(objcopyflags-y)
+
+
+subdir- := compressed rescue
+targets := Image
+
+$(obj)/Image: vmlinux FORCE
+ $(call if_changed,objcopy)
+ @echo ' Kernel: $@ is ready'
+
+$(obj)/compressed/vmlinux: $(obj)/Image FORCE
+ $(Q)$(MAKE) $(build)=$(obj)/compressed $@
+ $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
+
+$(obj)/zImage: $(obj)/compressed/vmlinux
+ @cp $< $@
+ @echo ' Kernel: $@ is ready'
--- /dev/null
+#
+# arch/cris/boot/compressed/Makefile
+#
+
+asflags-y += $(LINUXINCLUDE)
+ccflags-y += -O2 $(LINUXINCLUDE)
+
+# asflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/mach \
+# -I$(srctree)/include/asm/arch
+# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -O2 -I$(srctree)/include/asm/mach
+# -I$(srctree)/include/asm/arch
+
+arch-$(CONFIG_ETRAX_ARCH_V10) = v10
+arch-$(CONFIG_ETRAX_ARCH_V32) = v32
+
+ldflags-y += -T $(srctree)/$(src)/decompress_$(arch-y).lds
+
+OBJECTS-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o
+OBJECTS-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o
+OBJECTS= $(OBJECTS-y) $(obj)/misc.o
+OBJCOPYFLAGS = -O binary --remove-section=.bss
+
+quiet_cmd_image = BUILD $@
+cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
+
+targets := vmlinux piggy.gz decompress.o decompress.bin
+
+$(obj)/decompress.o: $(OBJECTS) FORCE
+ $(call if_changed,ld)
+
+$(obj)/decompress.bin: $(obj)/decompress.o FORCE
+ $(call if_changed,objcopy)
+
+$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
+ $(call if_changed,image)
+
+$(obj)/piggy.gz: $(obj)/../Image FORCE
+ $(call if_changed,gzip)
--- /dev/null
+Creation of the self-extracting compressed kernel image (vmlinuz)
+-----------------------------------------------------------------
+
+This can be slightly confusing because it's a process with many steps.
+
+The kernel object built by the arch/etrax100/Makefile, vmlinux, is split
+by that makefile into text and data binary files, vmlinux.text and
+vmlinux.data.
+
+Those files together with a ROM filesystem can be catted together and
+burned into a flash or executed directly at the DRAM origin.
+
+They can also be catted together and compressed with gzip, which is what
+happens in this makefile. Together they make up piggy.img.
+
+The decompressor is built into the file decompress.o. It is turned into
+the binary file decompress.bin, which is catted together with piggy.img
+into the file vmlinuz. It can be executed in an arbitrary place in flash.
+
+Be careful - it assumes some things about free locations in DRAM. It
+assumes the DRAM starts at 0x40000000 and that it is at least 8 MB,
+so it puts its code at 0x40700000, and initial stack at 0x40800000.
+
+-Bjorn
--- /dev/null
+/* OUTPUT_FORMAT(elf32-us-cris) */
+OUTPUT_FORMAT(elf32-cris)
+
+MEMORY
+ {
+ dram : ORIGIN = 0x40700000,
+ LENGTH = 0x00100000
+ }
+
+SECTIONS
+{
+ .text :
+ {
+ _stext = . ;
+ *(.text)
+ *(.rodata)
+ *(.rodata.*)
+ _etext = . ;
+ } > dram
+ .data :
+ {
+ *(.data)
+ _edata = . ;
+ } > dram
+ .bss :
+ {
+ *(.bss)
+ _end = ALIGN( 0x10 ) ;
+ } > dram
+}
--- /dev/null
+/*#OUTPUT_FORMAT(elf32-us-cris) */
+OUTPUT_ARCH (crisv32)
+
+MEMORY
+ {
+ dram : ORIGIN = 0x40700000,
+ LENGTH = 0x00100000
+ }
+
+SECTIONS
+{
+ .text :
+ {
+ _stext = . ;
+ *(.text)
+ *(.rodata)
+ *(.rodata.*)
+ _etext = . ;
+ } > dram
+ .data :
+ {
+ *(.data)
+ _edata = . ;
+ } > dram
+ .bss :
+ {
+ *(.bss)
+ _end = ALIGN( 0x10 ) ;
+ } > dram
+}
--- /dev/null
+/*
+ * arch/cris/boot/compressed/head.S
+ *
+ * Copyright (C) 1999, 2001 Axis Communications AB
+ *
+ * Code that sets up the DRAM registers, calls the
+ * decompressor to unpack the piggybacked kernel, and jumps.
+ *
+ */
+
+#define ASSEMBLER_MACROS_ONLY
+#include <arch/sv_addr_ag.h>
+
+#define RAM_INIT_MAGIC 0x56902387
+#define COMMAND_LINE_MAGIC 0x87109563
+
+ ;; Exported symbols
+
+ .globl input_data
+
+
+ .text
+
+ nop
+ di
+
+;; We need to initialze DRAM registers before we start using the DRAM
+
+ cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
+ beq dram_init_finished
+ nop
+
+#include "../../arch-v10/lib/dram_init.S"
+
+dram_init_finished:
+
+ ;; Initiate the PA and PB ports
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
+ move.b $r0, [R_PORT_PA_DATA]
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
+ move.b $r0, [R_PORT_PA_DIR]
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
+ move.b $r0, [R_PORT_PB_DATA]
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
+ move.b $r0, [R_PORT_PB_DIR]
+
+ ;; Setup the stack to a suitably high address.
+ ;; We assume 8 MB is the minimum DRAM in an eLinux
+ ;; product and put the sp at the top for now.
+
+ move.d 0x40800000, $sp
+
+ ;; Figure out where the compressed piggyback image is
+ ;; in the flash (since we wont try to copy it to DRAM
+ ;; before unpacking). It is at _edata, but in flash.
+ ;; Use (_edata - basse) as offset to the current PC.
+
+basse: move.d $pc, $r5
+ and.d 0x7fffffff, $r5 ; strip any non-cache bit
+ subq 2, $r5 ; compensate for the move.d $pc instr
+ move.d $r5, $r0 ; save for later - flash address of 'basse'
+ add.d _edata, $r5
+ sub.d basse, $r5 ; $r5 = flash address of '_edata'
+
+ ;; Copy text+data to DRAM
+
+ move.d basse, $r1 ; destination
+ move.d _edata, $r2 ; end destination
+1: move.w [$r0+], $r3
+ move.w $r3, [$r1+]
+ cmp.d $r2, $r1
+ bcs 1b
+ nop
+
+ move.d $r5, [input_data] ; for the decompressor
+
+
+ ;; Clear the decompressors BSS (between _edata and _end)
+
+ moveq 0, $r0
+ move.d _edata, $r1
+ move.d _end, $r2
+1: move.w $r0, [$r1+]
+ cmp.d $r2, $r1
+ bcs 1b
+ nop
+
+ ;; Save command line magic and address.
+ move.d _cmd_line_magic, $r12
+ move.d $r10, [$r12]
+ move.d _cmd_line_addr, $r12
+ move.d $r11, [$r12]
+
+ ;; Do the decompression and save compressed size in inptr
+
+ jsr decompress_kernel
+
+ ;; Put start address of root partition in $r9 so the kernel can use it
+ ;; when mounting from flash
+
+ move.d [input_data], $r9 ; flash address of compressed kernel
+ add.d [inptr], $r9 ; size of compressed kernel
+
+ ;; Restore command line magic and address.
+ move.d _cmd_line_magic, $r10
+ move.d [$r10], $r10
+ move.d _cmd_line_addr, $r11
+ move.d [$r11], $r11
+
+ ;; Enter the decompressed kernel
+ move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
+ jump 0x40004000 ; kernel is linked to this address
+
+ .data
+
+input_data:
+ .dword 0 ; used by the decompressor
+_cmd_line_magic:
+ .dword 0
+_cmd_line_addr:
+ .dword 0
+#include "../../arch-v10/lib/hw_settings.S"
--- /dev/null
+/*
+ * Code that sets up the DRAM registers, calls the
+ * decompressor to unpack the piggybacked kernel, and jumps.
+ *
+ * Copyright (C) 1999 - 2006, Axis Communications AB
+ */
+
+#define ASSEMBLER_MACROS_ONLY
+#include <hwregs/asm/reg_map_asm.h>
+#include <mach/startup.inc>
+
+#define RAM_INIT_MAGIC 0x56902387
+#define COMMAND_LINE_MAGIC 0x87109563
+
+ ;; Exported symbols
+
+ .globl input_data
+
+ .text
+start:
+ di
+
+ ;; Start clocks for used blocks.
+ START_CLOCKS
+
+ ;; Initialize the DRAM registers.
+ cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
+ beq dram_init_finished
+ nop
+
+#if defined CONFIG_ETRAXFS
+#include "../../arch-v32/mach-fs/dram_init.S"
+#elif defined CONFIG_CRIS_MACH_ARTPEC3
+#include "../../arch-v32/mach-a3/dram_init.S"
+#else
+#error Only ETRAXFS and ARTPEC-3 supported!
+#endif
+
+dram_init_finished:
+
+ GIO_INIT
+ ;; Setup the stack to a suitably high address.
+ ;; We assume 8 MB is the minimum DRAM and put
+ ;; the SP at the top for now.
+
+ move.d 0x40800000, $sp
+
+ ;; Figure out where the compressed piggyback image is.
+ ;; It is either in [NOR] flash (we don't want to copy it
+ ;; to DRAM before unpacking), or copied to DRAM
+ ;; by the [NAND] flash boot loader.
+ ;; The piggyback image is at _edata, but relative to where the
+ ;; image is actually located in memory, not where it is linked
+ ;; (the decompressor is linked at 0x40700000+ and runs there).
+ ;; Use (_edata - herami) as offset to the current PC.
+
+hereami:
+ lapcq ., $r5 ; get PC
+ and.d 0x7fffffff, $r5 ; strip any non-cache bit
+ move.d $r5, $r0 ; source address of 'herami'
+ add.d _edata, $r5
+ sub.d hereami, $r5 ; r5 = flash address of '_edata'
+ move.d hereami, $r1 ; destination
+
+ ;; Copy text+data to DRAM
+
+ move.d _edata, $r2 ; end destination
+1: move.w [$r0+], $r3 ; from herami+ source
+ move.w $r3, [$r1+] ; to hereami+ destination (linked address)
+ cmp.d $r2, $r1 ; finish when destination == _edata
+ bcs 1b
+ nop
+ move.d input_data, $r0 ; for the decompressor
+ move.d $r5, [$r0] ; for the decompressor
+
+ ;; Clear the decompressors BSS (between _edata and _end)
+
+ moveq 0, $r0
+ move.d _edata, $r1
+ move.d _end, $r2
+1: move.w $r0, [$r1+]
+ cmp.d $r2, $r1
+ bcs 1b
+ nop
+
+ ;; Save command line magic and address.
+ move.d _cmd_line_magic, $r0
+ move.d $r10, [$r0]
+ move.d _cmd_line_addr, $r0
+ move.d $r11, [$r0]
+
+ ;; Save boot source indicator
+ move.d _boot_source, $r0
+ move.d $r12, [$r0]
+
+ ;; Do the decompression and save compressed size in _inptr
+
+ jsr decompress_kernel
+ nop
+
+ ;; Restore boot source indicator
+ move.d _boot_source, $r12
+ move.d [$r12], $r12
+
+ ;; Restore command line magic and address.
+ move.d _cmd_line_magic, $r10
+ move.d [$r10], $r10
+ move.d _cmd_line_addr, $r11
+ move.d [$r11], $r11
+
+ ;; Put start address of root partition in r9 so the kernel can use it
+ ;; when mounting from flash
+ move.d input_data, $r0
+ move.d [$r0], $r9 ; flash address of compressed kernel
+ move.d inptr, $r0
+ add.d [$r0], $r9 ; size of compressed kernel
+ cmp.d 0x40000000, $r9 ; image in DRAM ?
+ blo enter_kernel ; no, must be [NOR] flash, jump
+ nop ; delay slot
+ and.d 0x001fffff, $r9 ; assume compressed kernel was < 2M
+
+enter_kernel:
+ ;; Enter the decompressed kernel
+ move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
+ jump 0x40004000 ; kernel is linked to this address
+ nop
+
+ .data
+
+input_data:
+ .dword 0 ; used by the decompressor
+_cmd_line_magic:
+ .dword 0
+_cmd_line_addr:
+ .dword 0
+_boot_source:
+ .dword 0
+
+#if defined CONFIG_ETRAXFS
+#include "../../arch-v32/mach-fs/hw_settings.S"
+#elif defined CONFIG_CRIS_MACH_ARTPEC3
+#include "../../arch-v32/mach-a3/hw_settings.S"
+#else
+#error Only ETRAXFS and ARTPEC-3 supported!
+#endif
--- /dev/null
+/*
+ * misc.c
+ *
+ * This is a collection of several routines from gzip-1.0.3
+ * adapted for Linux.
+ *
+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+ * puts by Nick Holloway 1993, better puts by Martin Mares 1995
+ * adaptation for Linux/CRIS Axis Communications AB, 1999
+ *
+ */
+
+/* where the piggybacked kernel image expects itself to live.
+ * it is the same address we use when we network load an uncompressed
+ * image into DRAM, and it is the address the kernel is linked to live
+ * at by vmlinux.lds.S
+ */
+
+#define KERNEL_LOAD_ADR 0x40004000
+
+#include <linux/types.h>
+
+#ifdef CONFIG_ETRAX_ARCH_V32
+#include <hwregs/reg_rdwr.h>
+#include <hwregs/reg_map.h>
+#include <hwregs/ser_defs.h>
+#include <hwregs/pinmux_defs.h>
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+#include <hwregs/clkgen_defs.h>
+#endif
+#else
+#include <arch/svinto.h>
+#endif
+
+/*
+ * gzip declarations
+ */
+
+#define OF(args) args
+#define STATIC static
+
+void *memset(void *s, int c, size_t n);
+void *memcpy(void *__dest, __const void *__src, size_t __n);
+
+#define memzero(s, n) memset((s), 0, (n))
+
+typedef unsigned char uch;
+typedef unsigned short ush;
+typedef unsigned long ulg;
+
+#define WSIZE 0x8000 /* Window size must be at least 32k, */
+ /* and a power of two */
+
+static uch *inbuf; /* input buffer */
+static uch window[WSIZE]; /* Sliding window buffer */
+
+unsigned inptr = 0; /* index of next byte to be processed in inbuf
+ * After decompression it will contain the
+ * compressed size, and head.S will read it.
+ */
+
+static unsigned outcnt = 0; /* bytes in output buffer */
+
+/* gzip flag byte */
+#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
+#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
+#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
+#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
+#define COMMENT 0x10 /* bit 4 set: file comment present */
+#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
+#define RESERVED 0xC0 /* bit 6,7: reserved */
+
+#define get_byte() (inbuf[inptr++])
+
+/* Diagnostic functions */
+#ifdef DEBUG
+# define Assert(cond, msg) do { \
+ if (!(cond)) \
+ error(msg); \
+ } while (0)
+# define Trace(x) fprintf x
+# define Tracev(x) do { \
+ if (verbose) \
+ fprintf x; \
+ } while (0)
+# define Tracevv(x) do { \
+ if (verbose > 1) \
+ fprintf x; \
+ } while (0)
+# define Tracec(c, x) do { \
+ if (verbose && (c)) \
+ fprintf x; \
+ } while (0)
+# define Tracecv(c, x) do { \
+ if (verbose > 1 && (c)) \
+ fprintf x; \
+ } while (0)
+#else
+# define Assert(cond, msg)
+# define Trace(x)
+# define Tracev(x)
+# define Tracevv(x)
+# define Tracec(c, x)
+# define Tracecv(c, x)
+#endif
+
+static void flush_window(void);
+static void error(char *m);
+static void puts(const char *);
+
+extern char *input_data; /* lives in head.S */
+
+static long bytes_out;
+static uch *output_data;
+static unsigned long output_ptr;
+
+/* the "heap" is put directly after the BSS ends, at end */
+
+extern int _end;
+static long free_mem_ptr = (long)&_end;
+static long free_mem_end_ptr;
+
+#include "../../../../../lib/inflate.c"
+
+/* decompressor info and error messages to serial console */
+
+#ifdef CONFIG_ETRAX_ARCH_V32
+static inline void serout(const char *s, reg_scope_instances regi_ser)
+{
+ reg_ser_rs_stat_din rs;
+ reg_ser_rw_dout dout = {.data = *s};
+
+ do {
+ rs = REG_RD(ser, regi_ser, rs_stat_din);
+ }
+ while (!rs.tr_rdy);/* Wait for transceiver. */
+
+ REG_WR(ser, regi_ser, rw_dout, dout);
+}
+#endif
+
+static void puts(const char *s)
+{
+#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
+ while (*s) {
+#ifdef CONFIG_ETRAX_DEBUG_PORT0
+#ifdef CONFIG_ETRAX_ARCH_V32
+ serout(s, regi_ser0);
+#else
+ while (!(*R_SERIAL0_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL0_TR_DATA = *s++;
+#endif
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT1
+#ifdef CONFIG_ETRAX_ARCH_V32
+ serout(s, regi_ser1);
+#else
+ while (!(*R_SERIAL1_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL1_TR_DATA = *s++;
+#endif
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT2
+#ifdef CONFIG_ETRAX_ARCH_V32
+ serout(s, regi_ser2);
+#else
+ while (!(*R_SERIAL2_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL2_TR_DATA = *s++;
+#endif
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT3
+#ifdef CONFIG_ETRAX_ARCH_V32
+ serout(s, regi_ser3);
+#else
+ while (!(*R_SERIAL3_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL3_TR_DATA = *s++;
+#endif
+#endif
+ *s++;
+ }
+/* CONFIG_ETRAX_DEBUG_PORT_NULL */
+#endif
+}
+
+void *memset(void *s, int c, size_t n)
+{
+ int i;
+ char *ss = (char*)s;
+
+ for (i=0;i<n;i++) ss[i] = c;
+
+ return s;
+}
+
+void *memcpy(void *__dest, __const void *__src, size_t __n)
+{
+ int i;
+ char *d = (char *)__dest, *s = (char *)__src;
+
+ for (i = 0; i < __n; i++)
+ d[i] = s[i];
+
+ return __dest;
+}
+
+/* ===========================================================================
+ * Write the output window window[0..outcnt-1] and update crc and bytes_out.
+ * (Used for the decompressed data only.)
+ */
+
+static void flush_window(void)
+{
+ ulg c = crc; /* temporary variable */
+ unsigned n;
+ uch *in, *out, ch;
+
+ in = window;
+ out = &output_data[output_ptr];
+ for (n = 0; n < outcnt; n++) {
+ ch = *out = *in;
+ out++;
+ in++;
+ c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
+ }
+ crc = c;
+ bytes_out += (ulg)outcnt;
+ output_ptr += (ulg)outcnt;
+ outcnt = 0;
+}
+
+static void error(char *x)
+{
+ puts("\n\n");
+ puts(x);
+ puts("\n\n -- System halted\n");
+
+ while(1); /* Halt */
+}
+
+void setup_normal_output_buffer(void)
+{
+ output_data = (char *)KERNEL_LOAD_ADR;
+}
+
+#ifdef CONFIG_ETRAX_ARCH_V32
+static inline void serial_setup(reg_scope_instances regi_ser)
+{
+ reg_ser_rw_xoff xoff;
+ reg_ser_rw_tr_ctrl tr_ctrl;
+ reg_ser_rw_rec_ctrl rec_ctrl;
+ reg_ser_rw_tr_baud_div tr_baud;
+ reg_ser_rw_rec_baud_div rec_baud;
+
+ /* Turn off XOFF. */
+ xoff = REG_RD(ser, regi_ser, rw_xoff);
+
+ xoff.chr = 0;
+ xoff.automatic = regk_ser_no;
+
+ REG_WR(ser, regi_ser, rw_xoff, xoff);
+
+ /* Set baudrate and stopbits. */
+ tr_ctrl = REG_RD(ser, regi_ser, rw_tr_ctrl);
+ rec_ctrl = REG_RD(ser, regi_ser, rw_rec_ctrl);
+ tr_baud = REG_RD(ser, regi_ser, rw_tr_baud_div);
+ rec_baud = REG_RD(ser, regi_ser, rw_rec_baud_div);
+
+ tr_ctrl.stop_bits = 1; /* 2 stop bits. */
+ tr_ctrl.en = 1; /* enable transmitter */
+ rec_ctrl.en = 1; /* enabler receiver */
+
+ /*
+ * The baudrate setup used to be a bit fishy, but now transmitter and
+ * receiver are both set to the intended baud rate, 115200.
+ * The magic value is 29.493 MHz.
+ */
+ tr_ctrl.base_freq = regk_ser_f29_493;
+ rec_ctrl.base_freq = regk_ser_f29_493;
+ tr_baud.div = (29493000 / 8) / 115200;
+ rec_baud.div = (29493000 / 8) / 115200;
+
+ REG_WR(ser, regi_ser, rw_tr_ctrl, tr_ctrl);
+ REG_WR(ser, regi_ser, rw_tr_baud_div, tr_baud);
+ REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
+ REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud);
+}
+#endif
+
+void decompress_kernel(void)
+{
+ char revision;
+ char compile_rev;
+
+#ifdef CONFIG_ETRAX_ARCH_V32
+ /* Need at least a CRISv32 to run. */
+ compile_rev = 32;
+#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
+ defined(CONFIG_ETRAX_DEBUG_PORT2) || \
+ defined(CONFIG_ETRAX_DEBUG_PORT3)
+ reg_pinmux_rw_hwprot hwprot;
+
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+ reg_clkgen_rw_clk_ctrl clk_ctrl;
+
+ /* Enable corresponding clock region when serial 1..3 selected */
+
+ clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl);
+ clk_ctrl.sser_ser_dma6_7 = regk_clkgen_yes;
+ REG_WR(clkgen, regi_clkgen, rw_clk_ctrl, clk_ctrl);
+#endif
+
+ /* pinmux setup for ports 1..3 */
+ hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
+#endif
+
+
+#ifdef CONFIG_ETRAX_DEBUG_PORT0
+ serial_setup(regi_ser0);
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT1
+ hwprot.ser1 = regk_pinmux_yes;
+ serial_setup(regi_ser1);
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT2
+ hwprot.ser2 = regk_pinmux_yes;
+ serial_setup(regi_ser2);
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT3
+ hwprot.ser3 = regk_pinmux_yes;
+ serial_setup(regi_ser3);
+#endif
+#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
+ defined(CONFIG_ETRAX_DEBUG_PORT2) || \
+ defined(CONFIG_ETRAX_DEBUG_PORT3)
+ REG_WR(pinmux, regi_pinmux, rw_hwprot, hwprot);
+#endif
+
+ /* input_data is set in head.S */
+ inbuf = input_data;
+#else /* CRISv10 */
+ /* Need at least a crisv10 to run. */
+ compile_rev = 10;
+
+ /* input_data is set in head.S */
+ inbuf = input_data;
+
+#ifdef CONFIG_ETRAX_DEBUG_PORT0
+ *R_SERIAL0_XOFF = 0;
+ *R_SERIAL0_BAUD = 0x99;
+ *R_SERIAL0_TR_CTRL = 0x40;
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT1
+ *R_SERIAL1_XOFF = 0;
+ *R_SERIAL1_BAUD = 0x99;
+ *R_SERIAL1_TR_CTRL = 0x40;
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT2
+ *R_GEN_CONFIG = 0x08;
+ *R_SERIAL2_XOFF = 0;
+ *R_SERIAL2_BAUD = 0x99;
+ *R_SERIAL2_TR_CTRL = 0x40;
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT3
+ *R_GEN_CONFIG = 0x100;
+ *R_SERIAL3_XOFF = 0;
+ *R_SERIAL3_BAUD = 0x99;
+ *R_SERIAL3_TR_CTRL = 0x40;
+#endif
+#endif
+
+ setup_normal_output_buffer();
+
+ makecrc();
+
+ __asm__ volatile ("move $vr,%0" : "=rm" (revision));
+ if (revision < compile_rev) {
+#ifdef CONFIG_ETRAX_ARCH_V32
+ puts("You need an ETRAX FS to run Linux 2.6/crisv32\n");
+#else
+ puts("You need an ETRAX 100LX to run linux 2.6\n");
+#endif
+ while(1);
+ }
+
+ puts("Uncompressing Linux...\n");
+ gunzip();
+ puts("Done. Now booting the kernel\n");
+}
--- /dev/null
+#
+# Makefile for rescue (bootstrap) code
+#
+
+# CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
+# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/arch/mach/ \
+# -I$(srctree)/include/asm/arch
+# asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch
+# LD = gcc-cris -mlinux -march=v32 -nostdlib
+
+asflags-y += $(LINUXINCLUDE)
+ccflags-y += -O2 $(LINUXINCLUDE)
+arch-$(CONFIG_ETRAX_ARCH_V10) = v10
+arch-$(CONFIG_ETRAX_ARCH_V32) = v32
+
+ldflags-y += -T $(srctree)/$(src)/rescue_$(arch-y).lds
+OBJCOPYFLAGS = -O binary --remove-section=.bss
+obj-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o
+obj-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o
+OBJECTS := $(obj-y)
+
+targets := rescue.o rescue.bin
+
+$(obj)/rescue.o: $(OBJECTS) FORCE
+ $(call if_changed,ld)
+
+$(obj)/rescue.bin: $(obj)/rescue.o FORCE
+ $(call if_changed,objcopy)
+ cp -p $(obj)/rescue.bin $(objtree)
+
+$(obj)/testrescue.bin: $(obj)/testrescue.o
+ $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin
+# Pad it to 784 bytes
+ dd if=/dev/zero of=tmp2423 bs=1 count=784
+ cat tr.bin tmp2423 >testrescue_tmp.bin
+ dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784
+ rm tr.bin tmp2423 testrescue_tmp.bin
+
+
+$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
+ $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin
+# Pad it to 784 bytes, that's what the rescue loader expects
+ dd if=/dev/zero of=tmp2423 bs=1 count=784
+ cat ktr.bin tmp2423 >kimagerescue_tmp.bin
+ dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784
+ rm ktr.bin tmp2423 kimagerescue_tmp.bin
+
--- /dev/null
+/*
+ * Rescue code, made to reside at the beginning of the
+ * flash-memory. when it starts, it checks a partition
+ * table at the first sector after the rescue sector.
+ * the partition table was generated by the product builder
+ * script and contains offsets, lengths, types and checksums
+ * for each partition that this code should check.
+ *
+ * If any of the checksums fail, we assume the flash is so
+ * corrupt that we cant use it to boot into the ftp flash
+ * loader, and instead we initialize the serial port to
+ * receive a flash-loader and new flash image. we dont include
+ * any flash code here, but just accept a certain amount of
+ * bytes from the serial port and jump into it. the downloaded
+ * code is put in the cache.
+ *
+ * The partitiontable is designed so that it is transparent to
+ * code execution - it has a relative branch opcode in the
+ * beginning that jumps over it. each entry contains extra
+ * data so we can add stuff later.
+ *
+ * Partition table format:
+ *
+ * Code transparency:
+ *
+ * 2 bytes [opcode 'nop']
+ * 2 bytes [opcode 'di']
+ * 4 bytes [opcode 'ba <offset>', 8-bit or 16-bit version]
+ * 2 bytes [opcode 'nop', delay slot]
+ *
+ * Table validation (at +10):
+ *
+ * 2 bytes [magic/version word for partitiontable - 0xef, 0xbe]
+ * 2 bytes [length of all entries plus the end marker]
+ * 4 bytes [checksum for the partitiontable itself]
+ *
+ * Entries, each with the following format, last has offset -1:
+ *
+ * 4 bytes [offset in bytes, from start of flash]
+ * 4 bytes [length in bytes of partition]
+ * 4 bytes [checksum, simple longword sum]
+ * 2 bytes [partition type]
+ * 2 bytes [flags, only bit 0 used, ro/rw = 1/0]
+ * 16 bytes [reserved for future use]
+ *
+ * End marker
+ *
+ * 4 bytes [-1]
+ *
+ * 10 bytes [0, padding]
+ *
+ * Bit 0 in flags signifies RW or RO. The rescue code only bothers
+ * to check the checksum for RO partitions, since the others will
+ * change their data without updating the checksums. A 1 in bit 0
+ * means RO, 0 means RW. That way, it is possible to set a partition
+ * in RO mode initially, and later mark it as RW, since you can always
+ * write 0's to the flash.
+ *
+ * During the wait for serial input, the status LED will flash so the
+ * user knows something went wrong.
+ *
+ * Copyright (C) 1999-2007 Axis Communications AB
+ */
+
+#ifdef CONFIG_ETRAX_AXISFLASHMAP
+
+#define ASSEMBLER_MACROS_ONLY
+#include <arch/sv_addr_ag.h>
+
+ ;; The partitiontable is looked for at the first sector after the boot
+ ;; sector. Sector size is 65536 bytes in all flashes we use.
+
+#define PTABLE_START CONFIG_ETRAX_PTABLE_SECTOR
+#define PTABLE_MAGIC 0xbeef
+
+ ;; The normal Etrax100 on-chip boot ROM does serial boot at 0x380000f0.
+ ;; That is not where we put our downloaded serial boot-code.
+ ;; The length is enough for downloading code that loads the rest
+ ;; of itself (after having setup the DRAM etc).
+ ;; It is the same length as the on-chip ROM loads, so the same
+ ;; host loader can be used to load a rescued product as well as
+ ;; one booted through the Etrax serial boot code.
+
+#define CODE_START 0x40000000
+#define CODE_LENGTH 784
+
+#ifdef CONFIG_ETRAX_RESCUE_SER0
+#define SERXOFF R_SERIAL0_XOFF
+#define SERBAUD R_SERIAL0_BAUD
+#define SERRECC R_SERIAL0_REC_CTRL
+#define SERRDAT R_SERIAL0_REC_DATA
+#define SERSTAT R_SERIAL0_STATUS
+#endif
+#ifdef CONFIG_ETRAX_RESCUE_SER1
+#define SERXOFF R_SERIAL1_XOFF
+#define SERBAUD R_SERIAL1_BAUD
+#define SERRECC R_SERIAL1_REC_CTRL
+#define SERRDAT R_SERIAL1_REC_DATA
+#define SERSTAT R_SERIAL1_STATUS
+#endif
+#ifdef CONFIG_ETRAX_RESCUE_SER2
+#define SERXOFF R_SERIAL2_XOFF
+#define SERBAUD R_SERIAL2_BAUD
+#define SERRECC R_SERIAL2_REC_CTRL
+#define SERRDAT R_SERIAL2_REC_DATA
+#define SERSTAT R_SERIAL2_STATUS
+#endif
+#ifdef CONFIG_ETRAX_RESCUE_SER3
+#define SERXOFF R_SERIAL3_XOFF
+#define SERBAUD R_SERIAL3_BAUD
+#define SERRECC R_SERIAL3_REC_CTRL
+#define SERRDAT R_SERIAL3_REC_DATA
+#define SERSTAT R_SERIAL3_STATUS
+#endif
+
+#define NOP_DI 0xf025050f
+#define RAM_INIT_MAGIC 0x56902387
+
+ .text
+
+ ;; This is the entry point of the rescue code
+ ;; 0x80000000 if loaded in flash (as it should be)
+ ;; Since etrax actually starts at address 2 when booting from flash, we
+ ;; put a nop (2 bytes) here first so we dont accidentally skip the di
+
+ nop
+ di
+
+ jump in_cache ; enter cached area instead
+in_cache:
+
+
+ ;; First put a jump test to give a possibility of upgrading the
+ ;; rescue code without erasing/reflashing the sector.
+ ;; We put a longword of -1 here and if it is not -1, we jump using
+ ;; the value as jump target. Since we can always change 1's to 0's
+ ;; without erasing the sector, it is possible to add new
+ ;; code after this and altering the jumptarget in an upgrade.
+
+jtcd: move.d [jumptarget], $r0
+ cmp.d 0xffffffff, $r0
+ beq no_newjump
+ nop
+
+ jump [$r0]
+
+jumptarget:
+ .dword 0xffffffff ; can be overwritten later to insert new code
+
+no_newjump:
+#ifdef CONFIG_ETRAX_ETHERNET
+ ;; Start MII clock to make sure it is running when tranceiver is reset
+ move.d 0x3, $r0 ; enable = on, phy = mii_clk
+ move.d $r0, [R_NETWORK_GEN_CONFIG]
+#endif
+
+ ;; We need to setup the bus registers before we start using the DRAM
+#include "../../../arch-v10/lib/dram_init.S"
+
+ ;; we now should go through the checksum-table and check the listed
+ ;; partitions for errors.
+
+ move.d PTABLE_START, $r3
+ move.d [$r3], $r0
+ cmp.d NOP_DI, $r0 ; make sure the nop/di is there...
+ bne do_rescue
+ nop
+
+ ;; skip the code transparency block (10 bytes).
+
+ addq 10, $r3
+
+ ;; check for correct magic
+
+ move.w [$r3+], $r0
+ cmp.w PTABLE_MAGIC, $r0
+ bne do_rescue ; didn't recognize - trig rescue
+ nop
+
+ ;; check for correct ptable checksum
+
+ movu.w [$r3+], $r2 ; ptable length
+ move.d $r2, $r8 ; save for later, length of total ptable
+ addq 28, $r8 ; account for the rest
+ move.d [$r3+], $r4 ; ptable checksum
+ move.d $r3, $r1
+ jsr checksum ; r1 source, r2 length, returns in r0
+
+ cmp.d $r0, $r4
+ bne do_rescue ; didn't match - trig rescue
+ nop
+
+ ;; ptable is ok. validate each entry.
+
+ moveq -1, $r7
+
+ploop: move.d [$r3+], $r1 ; partition offset (from ptable start)
+ bne notfirst ; check if it is the partition containing ptable
+ nop ; yes..
+ move.d $r8, $r1 ; for its checksum check, skip the ptable
+ move.d [$r3+], $r2 ; partition length
+ sub.d $r8, $r2 ; minus the ptable length
+ ba bosse
+ nop
+notfirst:
+ cmp.d -1, $r1 ; the end of the ptable ?
+ beq flash_ok ; if so, the flash is validated
+ move.d [$r3+], $r2 ; partition length
+bosse: move.d [$r3+], $r5 ; checksum
+ move.d [$r3+], $r4 ; type and flags
+ addq 16, $r3 ; skip the reserved bytes
+ btstq 16, $r4 ; check ro flag
+ bpl ploop ; rw partition, skip validation
+ nop
+ btstq 17, $r4 ; check bootable flag
+ bpl 1f
+ nop
+ move.d $r1, $r7 ; remember boot partition offset
+1:
+ add.d PTABLE_START, $r1
+
+ jsr checksum ; checksum the partition
+
+ cmp.d $r0, $r5
+ beq ploop ; checksums matched, go to next entry
+ nop
+
+ ;; otherwise fall through to the rescue code.
+
+do_rescue:
+ ;; setup port PA and PB default initial directions and data
+ ;; (so we can flash LEDs, and so that DTR and others are set)
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
+ move.b $r0, [R_PORT_PA_DIR]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
+ move.b $r0, [R_PORT_PA_DATA]
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
+ move.b $r0, [R_PORT_PB_DIR]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
+ move.b $r0, [R_PORT_PB_DATA]
+
+ ;; setup the serial port at 115200 baud
+
+ moveq 0, $r0
+ move.d $r0, [SERXOFF]
+
+ move.b 0x99, $r0
+ move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive
+
+ move.b 0x40, $r0 ; rec enable
+ move.b $r0, [SERRECC]
+
+ moveq 0, $r1 ; "timer" to clock out a LED red flash
+ move.d CODE_START, $r3 ; destination counter
+ movu.w CODE_LENGTH, $r4; length
+
+wait_ser:
+ addq 1, $r1
+#ifndef CONFIG_ETRAX_NO_LEDS
+#ifdef CONFIG_ETRAX_PA_LEDS
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2
+#endif
+#ifdef CONFIG_ETRAX_PB_LEDS
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2
+#endif
+ move.d (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0
+ btstq 16, $r1
+ bpl 1f
+ nop
+ or.d $r0, $r2 ; set bit
+ ba 2f
+ nop
+1: not $r0 ; clear bit
+ and.d $r0, $r2
+2:
+#ifdef CONFIG_ETRAX_PA_LEDS
+ move.b $r2, [R_PORT_PA_DATA]
+#endif
+#ifdef CONFIG_ETRAX_PB_LEDS
+ move.b $r2, [R_PORT_PB_DATA]
+#endif
+#ifdef CONFIG_ETRAX_90000000_LEDS
+ move.b $r2, [0x90000000]
+#endif
+#endif
+
+ ;; check if we got something on the serial port
+
+ move.b [SERSTAT], $r0
+ btstq 0, $r0 ; data_avail
+ bpl wait_ser
+ nop
+
+ ;; got something - copy the byte and loop
+
+ move.b [SERRDAT], $r0
+ move.b $r0, [$r3+]
+
+ subq 1, $r4 ; decrease length
+ bne wait_ser
+ nop
+
+ ;; jump into downloaded code
+
+ move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is
+ ; initialized
+ jump CODE_START
+
+flash_ok:
+ ;; check r7, which contains either -1 or the partition to boot from
+
+ cmp.d -1, $r7
+ bne 1f
+ nop
+ move.d PTABLE_START, $r7; otherwise use the ptable start
+1:
+ move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is
+ ; initialized
+ jump $r7 ; boot!
+
+
+ ;; Helper subroutines
+
+ ;; Will checksum by simple addition
+ ;; r1 - source
+ ;; r2 - length in bytes
+ ;; result will be in r0
+checksum:
+ moveq 0, $r0
+ moveq CONFIG_ETRAX_FLASH1_SIZE, $r6
+
+ ;; If the first physical flash memory is exceeded wrap to the
+ ;; second one
+ btstq 26, $r1 ; Are we addressing first flash?
+ bpl 1f
+ nop
+ clear.d $r6
+
+1: test.d $r6 ; 0 = no wrapping
+ beq 2f
+ nop
+ lslq 20, $r6 ; Convert MB to bytes
+ sub.d $r1, $r6
+
+2: addu.b [$r1+], $r0
+ subq 1, $r6 ; Flash memory left
+ beq 3f
+ subq 1, $r2 ; Length left
+ bne 2b
+ nop
+ ret
+ nop
+
+3: move.d MEM_CSE1_START, $r1 ; wrap to second flash
+ ba 2b
+ nop
+
+#endif
--- /dev/null
+/*
+ * Just get started by jumping to CONFIG_ETRAX_PTABLE_SECTOR to start
+ * kernel decompressor.
+ *
+ * In practice, this only works for NOR flash (or some convoluted RAM boot)
+ * and hence is not really useful for Artpec-3, so it's Etrax FS / NOR only.
+ *
+ */
+
+#include <mach/startup.inc>
+
+#ifdef CONFIG_ETRAX_AXISFLASHMAP
+
+;; Code
+
+ .text
+start:
+
+ ;; Start clocks for used blocks.
+ START_CLOCKS
+
+ move.d CONFIG_ETRAX_PTABLE_SECTOR, $r10
+ jump $r10 ; Jump to decompressor
+ nop
+
+#endif
--- /dev/null
+/*
+ * Rescue code to be prepended on a kimage and copied to the
+ * rescue serial port.
+ * This is called from the rescue code, it will copy received data to
+ * 4004000 and after a timeout jump to it.
+ */
+
+#define ASSEMBLER_MACROS_ONLY
+#include <arch/sv_addr_ag.h>
+
+#define CODE_START 0x40004000
+#define CODE_LENGTH 784
+#define TIMEOUT_VALUE 1000
+
+
+#ifdef CONFIG_ETRAX_RESCUE_SER0
+#define SERXOFF R_SERIAL0_XOFF
+#define SERBAUD R_SERIAL0_BAUD
+#define SERRECC R_SERIAL0_REC_CTRL
+#define SERRDAT R_SERIAL0_REC_DATA
+#define SERSTAT R_SERIAL0_STATUS
+#endif
+#ifdef CONFIG_ETRAX_RESCUE_SER1
+#define SERXOFF R_SERIAL1_XOFF
+#define SERBAUD R_SERIAL1_BAUD
+#define SERRECC R_SERIAL1_REC_CTRL
+#define SERRDAT R_SERIAL1_REC_DATA
+#define SERSTAT R_SERIAL1_STATUS
+#endif
+#ifdef CONFIG_ETRAX_RESCUE_SER2
+#define SERXOFF R_SERIAL2_XOFF
+#define SERBAUD R_SERIAL2_BAUD
+#define SERRECC R_SERIAL2_REC_CTRL
+#define SERRDAT R_SERIAL2_REC_DATA
+#define SERSTAT R_SERIAL2_STATUS
+#endif
+#ifdef CONFIG_ETRAX_RESCUE_SER3
+#define SERXOFF R_SERIAL3_XOFF
+#define SERBAUD R_SERIAL3_BAUD
+#define SERRECC R_SERIAL3_REC_CTRL
+#define SERRDAT R_SERIAL3_REC_DATA
+#define SERSTAT R_SERIAL3_STATUS
+#endif
+
+ .text
+ ;; This is the entry point of the rescue code
+ ;; 0x80000000 if loaded in flash (as it should be)
+ ;; since etrax actually starts at address 2 when booting from flash, we
+ ;; put a nop (2 bytes) here first so we dont accidentally skip the di
+
+ nop
+ di
+#ifndef CONFIG_SVINTO_SIM
+ ;; setup port PA and PB default initial directions and data
+ ;; (so we can flash LEDs, and so that DTR and others are set)
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
+ move.b $r0, [R_PORT_PA_DIR]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
+ move.b $r0, [R_PORT_PA_DATA]
+
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
+ move.b $r0, [R_PORT_PB_DIR]
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
+ move.b $r0, [R_PORT_PB_DATA]
+
+ ;; We need to setup the bus registers before we start using the DRAM
+#include "../../lib/dram_init.S"
+
+#endif
+ ;; Setup the stack to a suitably high address.
+ ;; We assume 8 MB is the minimum DRAM in an eLinux
+ ;; product and put the sp at the top for now.
+
+ move.d 0x40800000, $sp
+
+ ;; setup the serial port at 115200 baud
+
+ moveq 0, $r0
+ move.d $r0, [SERXOFF]
+
+ move.b 0x99, $r0
+ move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit
+ ; and receive
+
+ move.b 0x40, $r0 ; rec enable
+ move.b $r0, [SERRECC]
+
+
+ moveq 0, $r1 ; "timer" to clock out a LED red flash
+ move.d CODE_START, $r3 ; destination counter
+ move.d CODE_LENGTH, $r4 ; length
+ move.d TIMEOUT_VALUE, $r5 ; "timeout" until jump
+
+wait_ser:
+ addq 1, $r1
+ subq 1, $r5 ; decrease timeout
+ beq jump_start ; timed out
+ nop
+#ifndef CONFIG_ETRAX_NO_LEDS
+#ifdef CONFIG_ETRAX_PA_LEDS
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r2
+#endif
+#ifdef CONFIG_ETRAX_PB_LEDS
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r2
+#endif
+ move.d (1 << CONFIG_ETRAX_LED1R) | (1 << CONFIG_ETRAX_LED2R), $r0
+ btstq 16, $r1
+ bpl 1f
+ nop
+ or.d $r0, $r2 ; set bit
+ ba 2f
+ nop
+1: not $r0 ; clear bit
+ and.d $r0, $r2
+2:
+#ifdef CONFIG_ETRAX_PA_LEDS
+ move.b $r2, [R_PORT_PA_DATA]
+#endif
+#ifdef CONFIG_ETRAX_PB_LEDS
+ move.b $r2, [R_PORT_PB_DATA]
+#endif
+#endif
+
+ ;; check if we got something on the serial port
+
+ move.b [SERSTAT], $r0
+ btstq 0, $r0 ; data_avail
+ bpl wait_ser
+ nop
+
+ ;; got something - copy the byte and loop
+
+ move.b [SERRDAT], $r0
+ move.b $r0, [$r3+]
+ move.d TIMEOUT_VALUE, $r5 ; reset "timeout"
+ subq 1, $r4 ; decrease length
+ bne wait_ser
+ nop
+jump_start:
+ ;; jump into downloaded code
+
+ jump CODE_START
--- /dev/null
+MEMORY
+ {
+ flash : ORIGIN = 0x00000000,
+ LENGTH = 0x00100000
+ }
+
+SECTIONS
+{
+ .text :
+ {
+ stext = . ;
+ *(.text)
+ etext = . ;
+ } > flash
+ .data :
+ {
+ *(.data)
+ edata = . ;
+ } > flash
+}
--- /dev/null
+/*#OUTPUT_FORMAT(elf32-us-cris) */
+OUTPUT_ARCH (crisv32)
+/* Now that NAND support has been stripped, this file could be simplified,
+ * but it doesn't do any harm on the other hand so why bother. */
+
+MEMORY
+ {
+ bootblk : ORIGIN = 0x38000000,
+ LENGTH = 0x00004000
+ intmem : ORIGIN = 0x38004000,
+ LENGTH = 0x00005000
+ }
+
+SECTIONS
+{
+ .text :
+ {
+ _stext = . ;
+ *(.text)
+ *(.init.text)
+ *(.rodata)
+ *(.rodata.*)
+ _etext = . ;
+ } > bootblk
+ .data :
+ {
+ *(.data)
+ _edata = . ;
+ } > bootblk
+ .bss :
+ {
+ _bss = . ;
+ *(.bss)
+ _end = ALIGN( 0x10 ) ;
+ } > intmem
+
+ /* Get rid of stuff from EXPORT_SYMBOL(foo). */
+ /DISCARD/ :
+ {
+ *(__ksymtab_strings)
+ *(__ksymtab)
+ }
+}
--- /dev/null
+/*
+ * Simple testcode to download by the rescue block.
+ * Just lights some LEDs to show it was downloaded correctly.
+ *
+ * Copyright (C) 1999 Axis Communications AB
+ */
+
+#define ASSEMBLER_MACROS_ONLY
+#include <arch/sv_addr_ag.h>
+
+ .text
+
+ nop
+ nop
+ moveq -1, $r2
+ move.b $r2, [R_PORT_PA_DIR]
+ moveq 0, $r2
+ move.b $r2, [R_PORT_PA_DATA]
+
+endless:
+ nop
+ ba endless
+ nop
+
--- /dev/null
+/*
+ * linux/tools/build.c
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ */
+
+/*
+ * This file builds a disk-image from three different files:
+ *
+ * - bootsect: exactly 512 bytes of 8086 machine code, loads the rest
+ * - setup: 8086 machine code, sets up system parm
+ * - system: 80386 code for actual system
+ *
+ * It does some checking that all files are of the correct type, and
+ * just writes the result to stdout, removing headers and padding to
+ * the right amount. It also writes some system data to stderr.
+ */
+
+/*
+ * Changes by tytso to allow root device specification
+ * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
+ * Cross compiling fixes by Gertjan van Wingerde, July 1996
+ */
+
+#include <stdio.h> /* fprintf */
+#include <string.h>
+#include <stdlib.h> /* contains exit */
+#include <sys/types.h> /* unistd.h needs this */
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <unistd.h> /* contains read/write */
+#include <fcntl.h>
+#include <errno.h>
+
+#define MINIX_HEADER 32
+
+#define N_MAGIC_OFFSET 1024
+#ifndef __BFD__
+static int GCC_HEADER = sizeof(struct exec);
+#endif
+
+#ifdef __BIG_KERNEL__
+#define SYS_SIZE 0xffff
+#else
+#define SYS_SIZE DEF_SYSSIZE
+#endif
+
+#define DEFAULT_MAJOR_ROOT 0
+#define DEFAULT_MINOR_ROOT 0
+
+/* max nr of sectors of setup: don't change unless you also change
+ * bootsect etc */
+#define SETUP_SECTS 4
+
+#define STRINGIFY(x) #x
+
+typedef union {
+ int i;
+ long l;
+ short s[2];
+ char b[4];
+} conv;
+
+long intel_long(long l)
+{
+ conv t;
+
+ t.b[0] = l & 0xff; l >>= 8;
+ t.b[1] = l & 0xff; l >>= 8;
+ t.b[2] = l & 0xff; l >>= 8;
+ t.b[3] = l & 0xff; l >>= 8;
+ return t.l;
+}
+
+int intel_int(int i)
+{
+ conv t;
+
+ t.b[0] = i & 0xff; i >>= 8;
+ t.b[1] = i & 0xff; i >>= 8;
+ t.b[2] = i & 0xff; i >>= 8;
+ t.b[3] = i & 0xff; i >>= 8;
+ return t.i;
+}
+
+short intel_short(short l)
+{
+ conv t;
+
+ t.b[0] = l & 0xff; l >>= 8;
+ t.b[1] = l & 0xff; l >>= 8;
+ return t.s[0];
+}
+
+void die(const char * str)
+{
+ fprintf(stderr,"%s\n",str);
+ exit(1);
+}
+
+void usage(void)
+{
+ die("Usage: build bootsect setup system [rootdev] [> image]");
+}
+
+int main(int argc, char ** argv)
+{
+ int i,c,id,sz,tmp_int;
+ unsigned long sys_size, tmp_long;
+ char buf[1024];
+#ifndef __BFD__
+ struct exec *ex = (struct exec *)buf;
+#endif
+ char major_root, minor_root;
+ struct stat sb;
+ unsigned char setup_sectors;
+
+ if ((argc < 4) || (argc > 5))
+ usage();
+ if (argc > 4) {
+ if (!strcmp(argv[4], "CURRENT")) {
+ if (stat("/", &sb)) {
+ perror("/");
+ die("Couldn't stat /");
+ }
+ major_root = major(sb.st_dev);
+ minor_root = minor(sb.st_dev);
+ } else if (strcmp(argv[4], "FLOPPY")) {
+ if (stat(argv[4], &sb)) {
+ perror(argv[4]);
+ die("Couldn't stat root device.");
+ }
+ major_root = major(sb.st_rdev);
+ minor_root = minor(sb.st_rdev);
+ } else {
+ major_root = 0;
+ minor_root = 0;
+ }
+ } else {
+ major_root = DEFAULT_MAJOR_ROOT;
+ minor_root = DEFAULT_MINOR_ROOT;
+ }
+ fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root);
+ for (i=0;i<sizeof buf; i++) buf[i]=0;
+ if ((id=open(argv[1],O_RDONLY,0))<0)
+ die("Unable to open 'boot'");
+ if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
+ die("Unable to read header of 'boot'");
+ if (((long *) buf)[0]!=intel_long(0x04100301))
+ die("Non-Minix header of 'boot'");
+ if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
+ die("Non-Minix header of 'boot'");
+ if (((long *) buf)[3] != 0)
+ die("Illegal data segment in 'boot'");
+ if (((long *) buf)[4] != 0)
+ die("Illegal bss in 'boot'");
+ if (((long *) buf)[5] != 0)
+ die("Non-Minix header of 'boot'");
+ if (((long *) buf)[7] != 0)
+ die("Illegal symbol table in 'boot'");
+ i=read(id,buf,sizeof buf);
+ fprintf(stderr,"Boot sector %d bytes.\n",i);
+ if (i != 512)
+ die("Boot block must be exactly 512 bytes");
+ if ((*(unsigned short *)(buf+510)) != (unsigned short)intel_short(0xAA55))
+ die("Boot block hasn't got boot flag (0xAA55)");
+ buf[508] = (char) minor_root;
+ buf[509] = (char) major_root;
+ i=write(1,buf,512);
+ if (i!=512)
+ die("Write call failed");
+ close (id);
+
+ if ((id=open(argv[2],O_RDONLY,0))<0)
+ die("Unable to open 'setup'");
+ if (read(id,buf,MINIX_HEADER) != MINIX_HEADER)
+ die("Unable to read header of 'setup'");
+ if (((long *) buf)[0]!=intel_long(0x04100301))
+ die("Non-Minix header of 'setup'");
+ if (((long *) buf)[1]!=intel_long(MINIX_HEADER))
+ die("Non-Minix header of 'setup'");
+ if (((long *) buf)[3] != 0)
+ die("Illegal data segment in 'setup'");
+ if (((long *) buf)[4] != 0)
+ die("Illegal bss in 'setup'");
+ if (((long *) buf)[5] != 0)
+ die("Non-Minix header of 'setup'");
+ if (((long *) buf)[7] != 0)
+ die("Illegal symbol table in 'setup'");
+ for (i=0 ; (c=read(id,buf,sizeof buf))>0 ; i+=c )
+#ifdef __BIG_KERNEL__
+ {
+ if (!i) {
+ /* Working with memcpy because of alignment constraints
+ on Sparc - Gertjan */
+ memcpy(&tmp_long, &buf[2], sizeof(long));
+ if (tmp_long != intel_long(0x53726448) )
+ die("Wrong magic in loader header of 'setup'");
+ memcpy(&tmp_int, &buf[6], sizeof(int));
+ if (tmp_int < intel_int(0x200))
+ die("Wrong version of loader header of 'setup'");
+ buf[0x11] = 1; /* LOADED_HIGH */
+ tmp_long = intel_long(0x100000);
+ memcpy(&buf[0x14], &tmp_long, sizeof(long)); /* code32_start */
+ }
+#endif
+ if (write(1,buf,c)!=c)
+ die("Write call failed");
+#ifdef __BIG_KERNEL__
+ }
+#endif
+ if (c != 0)
+ die("read-error on 'setup'");
+ close (id);
+ setup_sectors = (unsigned char)((i + 511) / 512);
+ /* for compatibility with LILO */
+ if (setup_sectors < SETUP_SECTS)
+ setup_sectors = SETUP_SECTS;
+ fprintf(stderr,"Setup is %d bytes.\n",i);
+ for (c=0 ; c<sizeof(buf) ; c++)
+ buf[c] = '\0';
+ while (i < setup_sectors * 512) {
+ c = setup_sectors * 512 - i;
+ if (c > sizeof(buf))
+ c = sizeof(buf);
+ if (write(1,buf,c) != c)
+ die("Write call failed");
+ i += c;
+ }
+
+ if ((id=open(argv[3],O_RDONLY,0))<0)
+ die("Unable to open 'system'");
+#ifndef __BFD__
+ if (read(id,buf,GCC_HEADER) != GCC_HEADER)
+ die("Unable to read header of 'system'");
+ if (N_MAGIC(*ex) == ZMAGIC) {
+ GCC_HEADER = N_MAGIC_OFFSET;
+ lseek(id, GCC_HEADER, SEEK_SET);
+ } else if (N_MAGIC(*ex) != QMAGIC)
+ die("Non-GCC header of 'system'");
+ fprintf(stderr,"System is %d kB (%d kB code, %d kB data and %d kB bss)\n",
+ (ex->a_text+ex->a_data+ex->a_bss)/1024,
+ ex->a_text /1024,
+ ex->a_data /1024,
+ ex->a_bss /1024);
+ sz = N_SYMOFF(*ex) - GCC_HEADER + 4;
+#else
+ if (fstat (id, &sb)) {
+ perror ("fstat");
+ die ("Unable to stat 'system'");
+ }
+ sz = sb.st_size;
+ fprintf (stderr, "System is %d kB\n", sz/1024);
+#endif
+ sys_size = (sz + 15) / 16;
+ if (sys_size > SYS_SIZE)
+ die("System is too big");
+ while (sz > 0) {
+ int l, n;
+
+ l = sz;
+ if (l > sizeof(buf))
+ l = sizeof(buf);
+ if ((n=read(id, buf, l)) != l) {
+ if (n == -1)
+ perror(argv[1]);
+ else
+ fprintf(stderr, "Unexpected EOF\n");
+ die("Can't read 'system'");
+ }
+ if (write(1, buf, l) != l)
+ die("Write failed");
+ sz -= l;
+ }
+ close(id);
+ if (lseek(1, 497, 0) == 497) {
+ if (write(1, &setup_sectors, 1) != 1)
+ die("Write of setup sectors failed");
+ }
+ if (lseek(1,500,0) == 500) {
+ buf[0] = (sys_size & 0xff);
+ buf[1] = ((sys_size >> 8) & 0xff);
+ if (write(1, buf, 2) != 2)
+ die("Write failed");
+ }
+ return(0);
+}
#define __NR_mbind 274
#define __NR_get_mempolicy 275
#define __NR_set_mempolicy 276
-#define __NR_mq_open 277
+#define __NR_mq_open 277
#define __NR_mq_unlink (__NR_mq_open+1)
#define __NR_mq_timedsend (__NR_mq_open+2)
#define __NR_mq_timedreceive (__NR_mq_open+3)
#define __NR_fallocate 324
#define __NR_timerfd_settime 325
#define __NR_timerfd_gettime 326
+#define __NR_signalfd4 327
+#define __NR_eventfd2 328
+#define __NR_epoll_create1 329
+#define __NR_dup3 330
+#define __NR_pipe2 331
+#define __NR_inotify_init1 332
+#define __NR_preadv 333
+#define __NR_pwritev 334
#ifdef __KERNEL__
-#define NR_syscalls 327
+#define NR_syscalls 335
#include <arch/unistd.h>
* ICH2 spec c #20 - IDE PRD must not cross a 64K boundary
* and must be dword aligned
* ICH2 spec c #24 - UDMA mode 4,5 t85/86 should be 6ns not 3.3
+ * ICH7 errata #16 - MWDMA1 timings are incorrect
*
* Should have been BIOS fixed:
* 450NX: errata #19 - DMA hangs on old 450NX
#include <linux/dmi.h>
#define DRV_NAME "ata_piix"
-#define DRV_VERSION "2.12"
+#define DRV_VERSION "2.13"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
ich_pata_33, /* ICH up to UDMA 33 only */
ich_pata_66, /* ICH up to 66 Mhz */
ich_pata_100, /* ICH up to UDMA 100 */
+ ich_pata_100_nomwdma1, /* ICH up to UDMA 100 but with no MWDMA1*/
ich5_sata,
ich6_sata,
ich6m_sata,
/* ICH6 (and 6) (i915) UDMA 100 */
{ 0x8086, 0x266F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
/* ICH7/7-R (i945, i975) UDMA 100*/
- { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
- { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
+ { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 },
+ { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 },
/* ICH8 Mobile PATA Controller */
{ 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
.port_ops = &ich_pata_ops,
},
+ [ich_pata_100_nomwdma1] =
+ {
+ .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2_ONLY,
+ .udma_mask = ATA_UDMA5,
+ .port_ops = &ich_pata_ops,
+ },
+
[ich5_sata] =
{
.flags = PIIX_SATA_FLAGS,
{ 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */
{ 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */
{ 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */
+ { 0x27df, 0x104d, 0x900e }, /* ICH7 on Sony TZ-90 */
/* end marker */
{ 0, }
};
/* fail early if !ATA && !ATAPI to avoid issuing [P]IDENTIFY to PMP */
if (ata_class_enabled(new_class) &&
- new_class != ATA_DEV_ATA && new_class != ATA_DEV_ATAPI) {
+ new_class != ATA_DEV_ATA &&
+ new_class != ATA_DEV_ATAPI &&
+ new_class != ATA_DEV_SEMB) {
ata_dev_printk(dev, KERN_INFO, "class mismatch %u != %u\n",
dev->class, new_class);
rc = -ENODEV;
} else if (dev->class == ATA_DEV_UNKNOWN &&
ehc->tries[dev->devno] &&
ata_class_enabled(ehc->classes[dev->devno])) {
+ /* Temporarily set dev->class, it will be
+ * permanently set once all configurations are
+ * complete. This is necessary because new
+ * device configuration is done in two
+ * separate loops.
+ */
dev->class = ehc->classes[dev->devno];
if (dev->class == ATA_DEV_PMP)
else
rc = ata_dev_read_id(dev, &dev->class,
readid_flags, dev->id);
+
+ /* read_id might have changed class, store and reset */
+ ehc->classes[dev->devno] = dev->class;
+ dev->class = ATA_DEV_UNKNOWN;
+
switch (rc) {
case 0:
/* clear error info accumulated during probe */
case -ENOENT:
/* IDENTIFY was issued to non-existent
* device. No need to reset. Just
- * thaw and kill the device.
+ * thaw and ignore the device.
*/
ata_eh_thaw_port(ap);
- dev->class = ATA_DEV_UNKNOWN;
break;
default:
- dev->class = ATA_DEV_UNKNOWN;
goto err;
}
}
dev->class == ATA_DEV_PMP)
continue;
+ dev->class = ehc->classes[dev->devno];
+
ehc->i.flags |= ATA_EHI_PRINTINFO;
rc = ata_dev_configure(dev);
ehc->i.flags &= ~ATA_EHI_PRINTINFO;
- if (rc)
+ if (rc) {
+ dev->class = ATA_DEV_UNKNOWN;
goto err;
+ }
spin_lock_irqsave(ap->lock, flags);
ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG;
*/
static void ata_eh_handle_port_resume(struct ata_port *ap)
{
+ struct ata_link *link;
+ struct ata_device *dev;
unsigned long flags;
int rc = 0;
WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED));
+ /*
+ * Error timestamps are in jiffies which doesn't run while
+ * suspended and PHY events during resume isn't too uncommon.
+ * When the two are combined, it can lead to unnecessary speed
+ * downs if the machine is suspended and resumed repeatedly.
+ * Clear error history.
+ */
+ ata_for_each_link(link, ap, HOST_FIRST)
+ ata_for_each_dev(dev, link, ALL)
+ ata_ering_clear(&dev->ering);
+
ata_acpi_set_state(ap, PMSG_ON);
if (ap->ops->port_resume)
return ap->ops->em_show(ap, buf);
return -EINVAL;
}
-DEVICE_ATTR(em_message, S_IRUGO | S_IWUGO,
+DEVICE_ATTR(em_message, S_IRUGO | S_IWUSR,
ata_scsi_em_message_show, ata_scsi_em_message_store);
EXPORT_SYMBOL_GPL(dev_attr_em_message);
}
return -EINVAL;
}
-DEVICE_ATTR(sw_activity, S_IWUGO | S_IRUGO, ata_scsi_activity_show,
+DEVICE_ATTR(sw_activity, S_IWUSR | S_IRUGO, ata_scsi_activity_show,
ata_scsi_activity_store);
EXPORT_SYMBOL_GPL(dev_attr_sw_activity);
* pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer
* (C) 2005 Red Hat Inc
* Alan Cox <alan@lxorguk.ukuu.org.uk>
- * (C) 2007 Bartlomiej Zolnierkiewicz
+ * (C) 2007,2009 Bartlomiej Zolnierkiewicz
*
* Based in part on linux/drivers/ide/pci/pdc202xx_old.c
*
u32 len;
/* Check we keep host level locking here */
- if (adev->dma_mode >= XFER_UDMA_2)
+ if (adev->dma_mode > XFER_UDMA_2)
iowrite8(ioread8(clock) | sel66, clock);
else
iowrite8(ioread8(clock) & ~sel66, clock);
iowrite8(ioread8(clock) & ~sel66, clock);
}
/* Flip back to 33Mhz for PIO */
- if (adev->dma_mode >= XFER_UDMA_2)
+ if (adev->dma_mode > XFER_UDMA_2)
iowrite8(ioread8(clock) & ~sel66, clock);
ata_bmdma_stop(qc);
pdc202xx_set_piomode(ap, adev);
FISCFG_WAIT_DEV_ERR = (1 << 8), /* wait for host on DevErr */
FISCFG_SINGLE_SYNC = (1 << 16), /* SYNC on DMA activation */
+ PHY_MODE9_GEN2 = 0x398,
+ PHY_MODE9_GEN1 = 0x39c,
+ PHYCFG_OFS = 0x3a0, /* only in 65n devices */
+
MV5_PHY_MODE = 0x74,
MV5_LTMODE = 0x30,
MV5_PHY_CTL = 0x0C,
static void mv_soc_reset_flash(struct mv_host_priv *hpriv,
void __iomem *mmio);
static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio);
+static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv,
+ void __iomem *mmio, unsigned int port);
static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio);
static void mv_reset_channel(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port_no);
.reset_bus = mv_soc_reset_bus,
};
+static const struct mv_hw_ops mv_soc_65n_ops = {
+ .phy_errata = mv_soc_65n_phy_errata,
+ .enable_leds = mv_soc_enable_leds,
+ .reset_hc = mv_soc_reset_hc,
+ .reset_flash = mv_soc_reset_flash,
+ .reset_bus = mv_soc_reset_bus,
+};
+
/*
* Functions
*/
return;
}
+static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv,
+ void __iomem *mmio, unsigned int port)
+{
+ void __iomem *port_mmio = mv_port_base(mmio, port);
+ u32 reg;
+
+ reg = readl(port_mmio + PHY_MODE3);
+ reg &= ~(0x3 << 27); /* SELMUPF (bits 28:27) to 1 */
+ reg |= (0x1 << 27);
+ reg &= ~(0x3 << 29); /* SELMUPI (bits 30:29) to 1 */
+ reg |= (0x1 << 29);
+ writel(reg, port_mmio + PHY_MODE3);
+
+ reg = readl(port_mmio + PHY_MODE4);
+ reg &= ~0x1; /* SATU_OD8 (bit 0) to 0, reserved bit 16 must be set */
+ reg |= (0x1 << 16);
+ writel(reg, port_mmio + PHY_MODE4);
+
+ reg = readl(port_mmio + PHY_MODE9_GEN2);
+ reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */
+ reg |= 0x8;
+ reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */
+ writel(reg, port_mmio + PHY_MODE9_GEN2);
+
+ reg = readl(port_mmio + PHY_MODE9_GEN1);
+ reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */
+ reg |= 0x8;
+ reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */
+ writel(reg, port_mmio + PHY_MODE9_GEN1);
+}
+
+/**
+ * soc_is_65 - check if the soc is 65 nano device
+ *
+ * Detect the type of the SoC, this is done by reading the PHYCFG_OFS
+ * register, this register should contain non-zero value and it exists only
+ * in the 65 nano devices, when reading it from older devices we get 0.
+ */
+static bool soc_is_65n(struct mv_host_priv *hpriv)
+{
+ void __iomem *port0_mmio = mv_port_base(hpriv->base, 0);
+
+ if (readl(port0_mmio + PHYCFG_OFS))
+ return true;
+ return false;
+}
+
static void mv_setup_ifcfg(void __iomem *port_mmio, int want_gen2i)
{
u32 ifcfg = readl(port_mmio + SATA_IFCFG);
}
break;
case chip_soc:
- hpriv->ops = &mv_soc_ops;
+ if (soc_is_65n(hpriv))
+ hpriv->ops = &mv_soc_65n_ops;
+ else
+ hpriv->ops = &mv_soc_ops;
hp_flags |= MV_HP_FLAG_SOC | MV_HP_GEN_IIE |
MV_HP_ERRATA_60X1C0;
break;
n_hc = mv_get_hc_count(host->ports[0]->flags);
for (port = 0; port < host->n_ports; port++)
- hpriv->ops->read_preamp(hpriv, port, mmio);
+ if (hpriv->ops->read_preamp)
+ hpriv->ops->read_preamp(hpriv, port, mmio);
rc = hpriv->ops->reset_hc(hpriv, mmio, n_hc);
if (rc)
dma_addr_t dma_dest, dma_src;
dma_cookie_t cookie;
int cpu;
+ unsigned long flags;
dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE);
dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE);
- tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
- DMA_CTRL_ACK);
+ flags = DMA_CTRL_ACK |
+ DMA_COMPL_SRC_UNMAP_SINGLE |
+ DMA_COMPL_DEST_UNMAP_SINGLE;
+ tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags);
if (!tx) {
dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
dma_addr_t dma_dest, dma_src;
dma_cookie_t cookie;
int cpu;
+ unsigned long flags;
dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE);
dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE);
- tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
- DMA_CTRL_ACK);
+ flags = DMA_CTRL_ACK | DMA_COMPL_SRC_UNMAP_SINGLE;
+ tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags);
if (!tx) {
dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
dma_addr_t dma_dest, dma_src;
dma_cookie_t cookie;
int cpu;
+ unsigned long flags;
dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE);
dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len,
DMA_FROM_DEVICE);
- tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
- DMA_CTRL_ACK);
+ flags = DMA_CTRL_ACK;
+ tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags);
if (!tx) {
dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE);
chan = dma_request_channel(mask, filter, NULL);
if (chan) {
err = dmatest_add_channel(chan);
- if (err == 0)
- continue;
- else {
+ if (err) {
dma_release_channel(chan);
break; /* add_channel failed, punt */
}
static void
ioat_dma_unmap(struct ioat_dma_chan *ioat_chan, struct ioat_desc_sw *desc)
{
- /*
- * yes we are unmapping both _page and _single
- * alloc'd regions with unmap_page. Is this
- * *really* that bad?
- */
- if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP))
- pci_unmap_page(ioat_chan->device->pdev,
- pci_unmap_addr(desc, dst),
- pci_unmap_len(desc, len),
- PCI_DMA_FROMDEVICE);
-
- if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP))
- pci_unmap_page(ioat_chan->device->pdev,
- pci_unmap_addr(desc, src),
- pci_unmap_len(desc, len),
- PCI_DMA_TODEVICE);
+ if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
+ if (desc->async_tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE)
+ pci_unmap_single(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, dst),
+ pci_unmap_len(desc, len),
+ PCI_DMA_FROMDEVICE);
+ else
+ pci_unmap_page(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, dst),
+ pci_unmap_len(desc, len),
+ PCI_DMA_FROMDEVICE);
+ }
+
+ if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
+ if (desc->async_tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE)
+ pci_unmap_single(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, src),
+ pci_unmap_len(desc, len),
+ PCI_DMA_TODEVICE);
+ else
+ pci_unmap_page(ioat_chan->device->pdev,
+ pci_unmap_addr(desc, src),
+ pci_unmap_len(desc, len),
+ PCI_DMA_TODEVICE);
+ }
}
/**
int err = 0;
struct completion cmp;
unsigned long tmo;
+ unsigned long flags;
src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL);
if (!src)
DMA_TO_DEVICE);
dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE,
DMA_FROM_DEVICE);
+ flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE;
tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src,
- IOAT_TEST_SIZE, 0);
+ IOAT_TEST_SIZE, flags);
if (!tx) {
dev_err(&device->pdev->dev,
"Self-test prep failed, disabling\n");
/* Other interrupts do not interfere with this channel */
spin_lock(&ichan->lock);
if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 &&
- ((curbuf >> chan_id) & 1) == ichan->active_buffer)) {
+ ((curbuf >> chan_id) & 1) == ichan->active_buffer &&
+ !list_is_last(ichan->queue.next, &ichan->queue))) {
int i = 100;
/* This doesn't help. See comment in ipu_disable_channel() */
struct idmac_channel *ichan = dev_id;
printk(KERN_DEBUG "Got SOF IRQ %d on Channel %d\n",
irq, ichan->dma_chan.chan_id);
- disable_irq(irq);
+ disable_irq_nosync(irq);
return IRQ_HANDLED;
}
struct idmac_channel *ichan = dev_id;
printk(KERN_DEBUG "Got EOF IRQ %d on Channel %d\n",
irq, ichan->dma_chan.chan_id);
- disable_irq(irq);
+ disable_irq_nosync(irq);
return IRQ_HANDLED;
}
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB
+ select FRAMEBUFFER_CONSOLE if !EMBEDDED
tristate "i915 driver"
help
Choose this option if you have a system that has Intel 830M, 845G,
#define USB_VENDOR_ID_BERKSHIRE 0x0c98
#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
+#define USB_VENDOR_ID_CH 0x068e
+#define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2
+#define USB_DEVICE_ID_CH_COMBATSTICK 0x00f4
+#define USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE 0x00ff
+
#define USB_VENDOR_ID_CHERRY 0x046a
#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
goto err;
}
- hid->quirks = quirks;
+ hid->quirks |= quirks;
return 0;
err:
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
config I2C_S3C2410
tristate "S3C2410 I2C Driver"
- depends on ARCH_S3C2410
+ depends on ARCH_S3C2410 || ARCH_S3C64XX
help
Say Y here to include support for I2C controller in the
Samsung S3C2410 based System-on-Chip devices.
rbdf = cpm->rbase;
for (i = 0; i < CPM_MAXBD; i++) {
- cpm->rxbuf[i] = dma_alloc_coherent(
- NULL, CPM_MAX_READ + 1, &cpm->rxdma[i], GFP_KERNEL);
+ cpm->rxbuf[i] = dma_alloc_coherent(&cpm->ofdev->dev,
+ CPM_MAX_READ + 1,
+ &cpm->rxdma[i], GFP_KERNEL);
if (!cpm->rxbuf[i]) {
ret = -ENOMEM;
goto out_muram;
}
out_be32(&rbdf[i].cbd_bufaddr, ((cpm->rxdma[i] + 1) & ~1));
- cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(
- NULL, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL);
+ cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL);
if (!cpm->txbuf[i]) {
ret = -ENOMEM;
goto out_muram;
out_muram:
for (i = 0; i < CPM_MAXBD; i++) {
if (cpm->rxbuf[i])
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->rxbuf[i], cpm->rxdma[i]);
if (cpm->txbuf[i])
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->txbuf[i], cpm->txdma[i]);
}
cpm_muram_free(cpm->dp_addr);
/* Free all memory */
for (i = 0; i < CPM_MAXBD; i++) {
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->rxbuf[i], cpm->rxdma[i]);
- dma_free_coherent(NULL, CPM_MAX_READ + 1,
+ dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1,
cpm->txbuf[i], cpm->txdma[i]);
}
return 0;
}
-#ifdef CONFIG_PPC_52xx
+#ifdef CONFIG_PPC_MPC52xx
static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
{20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23},
{28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02},
int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
{
- const struct mpc52xx_i2c_divider *div = NULL;
+ const struct mpc_i2c_divider *div = NULL;
unsigned int pvr = mfspr(SPRN_PVR);
u32 divider;
int i;
* We want to choose an FDR/DFSR that generates an I2C bus speed that
* is equal to or lower than the requested speed.
*/
- for (i = 0; i < ARRAY_SIZE(mpc52xx_i2c_dividers); i++) {
+ for (i = 0; i < ARRAY_SIZE(mpc_i2c_dividers_52xx); i++) {
div = &mpc_i2c_dividers_52xx[i];
/* Old MPC5200 rev A CPUs do not support the high bits */
if (div->fdr & 0xc0 && pvr == 0x80822011)
struct mpc_i2c *i2c,
u32 clock, u32 prescaler)
{
- int fdr = mpc52xx_i2c_get_fdr(node, clock, prescaler);
+ int ret, fdr;
+
+ ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler);
+ fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */
- if (fdr < 0)
- fdr = 0x3f; /* backward compatibility */
writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR);
- dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr);
+
+ if (ret >= 0)
+ dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr);
}
-#else /* !CONFIG_PPC_52xx */
+#else /* !CONFIG_PPC_MPC52xx */
static void mpc_i2c_setclock_52xx(struct device_node *node,
struct mpc_i2c *i2c,
u32 clock, u32 prescaler)
{
}
-#endif /* CONFIG_PPC_52xx*/
+#endif /* CONFIG_PPC_MPC52xx*/
#ifdef CONFIG_FSL_SOC
static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
struct mpc_i2c *i2c,
u32 clock, u32 prescaler)
{
- int fdr = mpc_i2c_get_fdr_8xxx(node, clock, prescaler);
+ int ret, fdr;
+
+ ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler);
+ fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */
- if (fdr < 0)
- fdr = 0x1031; /* backward compatibility */
writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR);
writeb((fdr >> 8) & 0xff, i2c->base + MPC_I2C_DFSRR);
- dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n",
- clock, fdr >> 8, fdr & 0xff);
+
+ if (ret >= 0)
+ dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n",
+ clock, fdr >> 8, fdr & 0xff);
}
#else /* !CONFIG_FSL_SOC */
show_state(i2c);
}
- if (timeout <= 0)
+ if (timeout < 0)
show_state(i2c);
- return timeout <= 0 ? I2C_RETRY : 0;
+ return timeout < 0 ? I2C_RETRY : 0;
}
static int i2c_pxa_wait_master(struct pxa_i2c *i2c)
show_state(i2c);
}
- if (timeout <= 0) {
+ if (timeout < 0) {
show_state(i2c);
dev_err(&i2c->adap.dev,
"i2c_pxa: timeout waiting for bus free\n");
ptr = wq->sq_rptr + count;
sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
while (ptr != wq->sq_wptr) {
+ sqp->signaled = 0;
insert_sq_cqe(wq, cq, sqp);
ptr++;
sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
struct mlx4_ib_fast_reg_page_list {
struct ib_fast_reg_page_list ibfrpl;
+ __be64 *mapped_page_list;
dma_addr_t map;
};
if (!mfrpl)
return ERR_PTR(-ENOMEM);
- mfrpl->ibfrpl.page_list = dma_alloc_coherent(&dev->dev->pdev->dev,
+ mfrpl->ibfrpl.page_list = kmalloc(size, GFP_KERNEL);
+ if (!mfrpl->ibfrpl.page_list)
+ goto err_free;
+
+ mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->pdev->dev,
size, &mfrpl->map,
GFP_KERNEL);
if (!mfrpl->ibfrpl.page_list)
return &mfrpl->ibfrpl;
err_free:
+ kfree(mfrpl->ibfrpl.page_list);
kfree(mfrpl);
return ERR_PTR(-ENOMEM);
}
struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list);
int size = page_list->max_page_list_len * sizeof (u64);
- dma_free_coherent(&dev->dev->pdev->dev, size, page_list->page_list,
+ dma_free_coherent(&dev->dev->pdev->dev, size, mfrpl->mapped_page_list,
mfrpl->map);
+ kfree(mfrpl->ibfrpl.page_list);
kfree(mfrpl);
}
int i;
for (i = 0; i < wr->wr.fast_reg.page_list_len; ++i)
- wr->wr.fast_reg.page_list->page_list[i] =
+ mfrpl->mapped_page_list[i] =
cpu_to_be64(wr->wr.fast_reg.page_list->page_list[i] |
MLX4_MTT_FLAG_PRESENT);
*/
static void ml_combine_effects(struct ff_effect *effect,
struct ml_effect_state *state,
- int gain)
+ unsigned int gain)
{
struct ff_effect *new = state->effect;
unsigned int strong, weak, i;
INPUT_DEVICE_ID_MATCH_KEYBIT,
.evbit = { BIT_MASK(EV_KEY) },
.keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) },
- }, /* Avoid itouchpads, touchscreens and tablets */
+ }, /* Avoid itouchpads and touchscreens */
+ {
+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
+ INPUT_DEVICE_ID_MATCH_KEYBIT,
+ .evbit = { BIT_MASK(EV_KEY) },
+ .keybit = { [BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_DIGI) },
+ }, /* Avoid tablets, digitisers and similar devices */
{ } /* Terminating entry */
};
0xb0, 0xae, -1U
};
+/*
+ * Amilo Xi 3650 key release for light touch bar not working
+ */
+static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
+ 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
+};
+
/*
* atkbd_set_keycode_table() initializes keyboard's keycode table
* according to the selected scancode set
.callback = atkbd_setup_forced_release,
.driver_data = atkbd_amilo_pa1510_forced_release_keys,
},
+ {
+ .ident = "Fujitsu Amilo Xi 3650",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
+ },
+ .callback = atkbd_setup_forced_release,
+ .driver_data = atkbd_amilo_xi3650_forced_release_keys,
+ },
{ }
};
static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle)
{
struct tsc2007 *ts = container_of(handle, struct tsc2007, timer);
+ unsigned long flags;
- spin_lock_irq(&ts->lock);
+ spin_lock_irqsave(&ts->lock, flags);
if (unlikely(!ts->get_pendown_state() && ts->pendown)) {
struct input_dev *input = ts->input;
tsc2007_send_event(ts);
}
- spin_unlock_irq(&ts->lock);
+ spin_unlock_irqrestore(&ts->lock, flags);
return HRTIMER_NORESTART;
}
if (err) {
mlx4_err(mdev, "Failed to allocate qp #%d\n", qpn);
goto out;
- return err;
}
qp->event = mlx4_en_sqp_event;
#define DMA_32BIT_PFN IOVA_PFN(DMA_BIT_MASK(32))
#define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64))
+#ifndef PHYSICAL_PAGE_MASK
+#define PHYSICAL_PAGE_MASK PAGE_MASK
+#endif
+
/* global iommu list, set NULL for ignored DMAR units */
static struct intel_iommu **g_iommus;
if (!r->flags || !(r->flags & IORESOURCE_MEM))
continue;
addr = r->start;
- addr &= PAGE_MASK;
+ addr &= PHYSICAL_PAGE_MASK;
size = r->end - addr;
size = PAGE_ALIGN(size);
iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr),
* is not a big problem
*/
ret = domain_page_mapping(domain, start_paddr,
- ((u64)paddr) & PAGE_MASK, size, prot);
+ ((u64)paddr) & PHYSICAL_PAGE_MASK,
+ size, prot);
if (ret)
goto error;
addr = page_to_phys(sg_page(sg)) + sg->offset;
size = aligned_size((u64)addr, sg->length);
ret = domain_page_mapping(domain, start_addr + offset,
- ((u64)addr) & PAGE_MASK,
- size, prot);
+ ((u64)addr) & PHYSICAL_PAGE_MASK,
+ size, prot);
if (ret) {
/* clear the page */
dma_pte_clear_range(domain, start_addr,
{
irqstat = rtc_irq_bits;
- /* REVISIT alarm may need to wake us from sleep */
- mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M |
- BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+ mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
return 0;
}
{
struct chip_data *chip = spi_get_ctldata(spi);
+ if (!chip)
+ return;
+
if (gpio_is_valid(chip->gpio_cs))
gpio_free(chip->gpio_cs);
830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM chipsets.
Say Y if you have and plan to use such a board.
- If you say Y here and want DDC/I2C support you must first say Y to
- "I2C support" and "I2C bit-banging support" in the character devices
- section.
-
- If you say M here then "I2C support" and "I2C bit-banging support"
- can be build either as modules or built-in.
-
To compile this driver as a module, choose M here: the
module will be called intelfb.
pixel and 32 bpp packed pixel. You can also use font widths
different from 8.
- If you need support for G400 secondary head, you must first say Y to
- "I2C support" in the character devices section, and then to
- "Matrox I2C support" and "G400 second head support" here in the
- framebuffer section. G450/G550 secondary head and digital output
- are supported without additional modules.
+ If you need support for G400 secondary head, you must say Y to
+ "Matrox I2C support" and "G400 second head support" right below.
+ G450/G550 secondary head and digital output are supported without
+ additional modules.
The driver starts in monitor mode. You must use the matroxset tool
(available at <ftp://platan.vc.cvut.cz/pub/linux/matrox-latest/>) to
a framebuffer device. There are both PCI and AGP versions. You
don't need to choose this to run the Radeon in plain VGA mode.
- If you say Y here and want DDC/I2C support you must first say Y to
- "I2C support" and "I2C bit-banging support" in the character devices
- section.
-
- If you say M here then "I2C support" and "I2C bit-banging support"
- can be build either as modules or built-in.
-
There is a product page at
http://apps.ati.com/ATIcompare/
static int __devinit via_pci_probe(void)
{
- unsigned int default_xres, default_yres;
+ unsigned long default_xres, default_yres;
char *tmpc, *tmpm;
char *tmpc_sec, *tmpm_sec;
int vmode_index;
viafb_FB_MM = viaparinfo->fbmem_virt;
tmpm = viafb_mode;
tmpc = strsep(&tmpm, "x");
- strict_strtoul(tmpc, 0, (unsigned long *)&default_xres);
- strict_strtoul(tmpm, 0, (unsigned long *)&default_yres);
+ strict_strtoul(tmpc, 0, &default_xres);
+ strict_strtoul(tmpm, 0, &default_yres);
vmode_index = viafb_get_mode_index(default_xres, default_yres, 0);
DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
SYSCALL_DEFINE1(epoll_create, int, size)
{
- if (size < 0)
+ if (size <= 0)
return -EINVAL;
return sys_epoll_create1(0);
{
if (unlikely(newfd == oldfd)) { /* corner case */
struct files_struct *files = current->files;
+ int retval = oldfd;
+
rcu_read_lock();
if (!fcheck_files(files, oldfd))
- oldfd = -EBADF;
+ retval = -EBADF;
rcu_read_unlock();
- return oldfd;
+ return retval;
}
return sys_dup3(oldfd, newfd, 0);
}
return retval;
}
-/*
- * Read a page. Again trivial. If it didn't already exist
- * in the page cache, it is zero-filled.
- */
-static int hugetlbfs_readpage(struct file *file, struct page * page)
-{
- unlock_page(page);
- return -EINVAL;
-}
-
static int hugetlbfs_write_begin(struct file *file,
struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
}
static const struct address_space_operations hugetlbfs_aops = {
- .readpage = hugetlbfs_readpage,
.write_begin = hugetlbfs_write_begin,
.write_end = hugetlbfs_write_end,
.set_page_dirty = hugetlbfs_set_page_dirty,
schedule_delayed_work(&grace_period_end, grace_period);
}
+static void restart_grace(void)
+{
+ if (nlmsvc_ops) {
+ cancel_delayed_work_sync(&grace_period_end);
+ locks_end_grace(&lockd_manager);
+ nlmsvc_invalidate_all();
+ set_grace_period();
+ }
+}
+
/*
* This is the lockd kernel thread
*/
if (signalled()) {
flush_signals(current);
- if (nlmsvc_ops) {
- nlmsvc_invalidate_all();
- set_grace_period();
- }
+ restart_grace();
continue;
}
goto out;
status = vfs_readdir(filp, nfsd4_build_namelist, &names);
fput(filp);
- mutex_lock(&dir->d_inode->i_mutex);
+ mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
while (!list_empty(&names)) {
entry = list_entry(names.next, struct name_list, list);
dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock_nested(&rec_dir.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
dentry = lookup_one_len(name, rec_dir.dentry, namlen);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
struct nfsd4_cache_entry *e = &ses->se_slots[i].sl_cache_entry;
nfsd4_release_respages(e->ce_respages, e->ce_resused);
}
- kfree(ses->se_slots);
kfree(ses);
}
dentry = lookup_one_len(name, cd->rd_fhp->fh_dentry, namlen);
if (IS_ERR(dentry))
return nfserrno(PTR_ERR(dentry));
+ if (!dentry->d_inode) {
+ /*
+ * nfsd_buffered_readdir drops the i_mutex between
+ * readdir and calling this callback, leaving a window
+ * where this directory entry could have gone away.
+ */
+ dput(dentry);
+ return nfserr_noent;
+ }
exp_get(exp);
/*
struct nfsd4_readdir *cd = container_of(ccd, struct nfsd4_readdir, common);
int buflen;
__be32 *p = cd->buffer;
+ __be32 *cookiep;
__be32 nfserr = nfserr_toosmall;
/* In nfsv4, "." and ".." never make it onto the wire.. */
goto fail;
*p++ = xdr_one; /* mark entry present */
- cd->offset = p; /* remember pointer */
+ cookiep = p;
p = xdr_encode_hyper(p, NFS_OFFSET_MAX); /* offset of next entry */
p = xdr_encode_array(p, name, namlen); /* name length & name */
goto fail;
case nfserr_dropit:
goto fail;
+ case nfserr_noent:
+ goto skip_entry;
default:
/*
* If the client requested the RDATTR_ERROR attribute,
}
cd->buflen -= (p - cd->buffer);
cd->buffer = p;
+ cd->offset = cookiep;
+skip_entry:
cd->common.err = nfs_ok;
return 0;
fail:
#include <linux/smp_lock.h> /* lock_kernel(), unlock_kernel() */
#include <linux/capability.h> /* capable() */
#include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */
+#include <linux/vmalloc.h>
#include <linux/nilfs2_fs.h>
#include "nilfs.h"
#include "segment.h"
nilfs_ioctl_do_get_cpinfo(struct the_nilfs *nilfs, __u64 *posp, int flags,
void *buf, size_t size, size_t nmembs)
{
- return nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf,
- nmembs);
-}
-
-static int nilfs_ioctl_get_cpinfo(struct inode *inode, struct file *filp,
- unsigned int cmd, void __user *argp)
-{
- struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
- struct nilfs_argv argv;
int ret;
- if (copy_from_user(&argv, argp, sizeof(argv)))
- return -EFAULT;
-
down_read(&nilfs->ns_segctor_sem);
- ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd),
- nilfs_ioctl_do_get_cpinfo);
+ ret = nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf,
+ nmembs);
up_read(&nilfs->ns_segctor_sem);
- if (ret < 0)
- return ret;
-
- if (copy_to_user(argp, &argv, sizeof(argv)))
- ret = -EFAULT;
return ret;
}
nilfs_ioctl_do_get_suinfo(struct the_nilfs *nilfs, __u64 *posp, int flags,
void *buf, size_t size, size_t nmembs)
{
- return nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs);
-}
-
-static int nilfs_ioctl_get_suinfo(struct inode *inode, struct file *filp,
- unsigned int cmd, void __user *argp)
-{
- struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
- struct nilfs_argv argv;
int ret;
- if (copy_from_user(&argv, argp, sizeof(argv)))
- return -EFAULT;
-
down_read(&nilfs->ns_segctor_sem);
- ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd),
- nilfs_ioctl_do_get_suinfo);
+ ret = nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs);
up_read(&nilfs->ns_segctor_sem);
- if (ret < 0)
- return ret;
-
- if (copy_to_user(argp, &argv, sizeof(argv)))
- ret = -EFAULT;
return ret;
}
nilfs_ioctl_do_get_vinfo(struct the_nilfs *nilfs, __u64 *posp, int flags,
void *buf, size_t size, size_t nmembs)
{
- return nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs);
-}
-
-static int nilfs_ioctl_get_vinfo(struct inode *inode, struct file *filp,
- unsigned int cmd, void __user *argp)
-{
- struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
- struct nilfs_argv argv;
int ret;
- if (copy_from_user(&argv, argp, sizeof(argv)))
- return -EFAULT;
-
down_read(&nilfs->ns_segctor_sem);
- ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd),
- nilfs_ioctl_do_get_vinfo);
+ ret = nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs);
up_read(&nilfs->ns_segctor_sem);
- if (ret < 0)
- return ret;
-
- if (copy_to_user(argp, &argv, sizeof(argv)))
- ret = -EFAULT;
return ret;
}
struct nilfs_bdesc *bdescs = buf;
int ret, i;
+ down_read(&nilfs->ns_segctor_sem);
for (i = 0; i < nmembs; i++) {
ret = nilfs_bmap_lookup_at_level(bmap,
bdescs[i].bd_offset,
bdescs[i].bd_level + 1,
&bdescs[i].bd_blocknr);
if (ret < 0) {
- if (ret != -ENOENT)
+ if (ret != -ENOENT) {
+ up_read(&nilfs->ns_segctor_sem);
return ret;
+ }
bdescs[i].bd_blocknr = 0;
}
}
+ up_read(&nilfs->ns_segctor_sem);
return nmembs;
}
if (copy_from_user(&argv, argp, sizeof(argv)))
return -EFAULT;
- down_read(&nilfs->ns_segctor_sem);
+ if (argv.v_size != sizeof(struct nilfs_bdesc))
+ return -EINVAL;
+
ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd),
nilfs_ioctl_do_get_bdescs);
- up_read(&nilfs->ns_segctor_sem);
if (ret < 0)
return ret;
return 0;
}
-static ssize_t
-nilfs_ioctl_do_move_blocks(struct the_nilfs *nilfs, __u64 *posp, int flags,
- void *buf, size_t size, size_t nmembs)
+static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
+ struct nilfs_argv *argv, void *buf)
{
+ size_t nmembs = argv->v_nmembs;
struct inode *inode;
struct nilfs_vdesc *vdesc;
struct buffer_head *bh, *n;
return ret;
}
-static inline int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
- struct nilfs_argv *argv,
- int dir)
-{
- return nilfs_ioctl_wrap_copy(nilfs, argv, dir,
- nilfs_ioctl_do_move_blocks);
-}
-
-static ssize_t
-nilfs_ioctl_do_delete_checkpoints(struct the_nilfs *nilfs, __u64 *posp,
- int flags, void *buf, size_t size,
- size_t nmembs)
+static int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs,
+ struct nilfs_argv *argv, void *buf)
{
+ size_t nmembs = argv->v_nmembs;
struct inode *cpfile = nilfs->ns_cpfile;
struct nilfs_period *periods = buf;
int ret, i;
return nmembs;
}
-static inline int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs,
- struct nilfs_argv *argv,
- int dir)
+static int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs,
+ struct nilfs_argv *argv, void *buf)
{
- return nilfs_ioctl_wrap_copy(nilfs, argv, dir,
- nilfs_ioctl_do_delete_checkpoints);
-}
+ size_t nmembs = argv->v_nmembs;
+ int ret;
-static ssize_t
-nilfs_ioctl_do_free_vblocknrs(struct the_nilfs *nilfs, __u64 *posp, int flags,
- void *buf, size_t size, size_t nmembs)
-{
- int ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs);
+ ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs);
return (ret < 0) ? ret : nmembs;
}
-static inline int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs,
- struct nilfs_argv *argv,
- int dir)
-{
- return nilfs_ioctl_wrap_copy(nilfs, argv, dir,
- nilfs_ioctl_do_free_vblocknrs);
-}
-
-static ssize_t
-nilfs_ioctl_do_mark_blocks_dirty(struct the_nilfs *nilfs, __u64 *posp,
- int flags, void *buf, size_t size,
- size_t nmembs)
+static int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs,
+ struct nilfs_argv *argv, void *buf)
{
+ size_t nmembs = argv->v_nmembs;
struct inode *dat = nilfs_dat_inode(nilfs);
struct nilfs_bmap *bmap = NILFS_I(dat)->i_bmap;
struct nilfs_bdesc *bdescs = buf;
return nmembs;
}
-static inline int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs,
- struct nilfs_argv *argv,
- int dir)
+static int nilfs_ioctl_free_segments(struct the_nilfs *nilfs,
+ struct nilfs_argv *argv, void *buf)
{
- return nilfs_ioctl_wrap_copy(nilfs, argv, dir,
- nilfs_ioctl_do_mark_blocks_dirty);
-}
-
-static ssize_t
-nilfs_ioctl_do_free_segments(struct the_nilfs *nilfs, __u64 *posp, int flags,
- void *buf, size_t size, size_t nmembs)
-{
- struct nilfs_sb_info *sbi = nilfs_get_writer(nilfs);
+ size_t nmembs = argv->v_nmembs;
+ struct nilfs_sb_info *sbi = nilfs->ns_writer;
int ret;
- if (unlikely(!sbi))
+ if (unlikely(!sbi)) {
+ /* never happens because called for a writable mount */
+ WARN_ON(1);
return -EROFS;
+ }
ret = nilfs_segctor_add_segments_to_be_freed(
NILFS_SC(sbi), buf, nmembs);
- nilfs_put_writer(nilfs);
return (ret < 0) ? ret : nmembs;
}
-static inline int nilfs_ioctl_free_segments(struct the_nilfs *nilfs,
- struct nilfs_argv *argv,
- int dir)
-{
- return nilfs_ioctl_wrap_copy(nilfs, argv, dir,
- nilfs_ioctl_do_free_segments);
-}
-
int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs,
- void __user *argp)
+ struct nilfs_argv *argv, void **kbufs)
{
- struct nilfs_argv argv[5];
const char *msg;
- int dir, ret;
-
- if (copy_from_user(argv, argp, sizeof(argv)))
- return -EFAULT;
+ int ret;
- dir = _IOC_WRITE;
- ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], dir);
+ ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], kbufs[0]);
if (ret < 0) {
msg = "cannot read source blocks";
goto failed;
}
- ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], dir);
+
+ ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], kbufs[1]);
if (ret < 0) {
/*
* can safely abort because checkpoints can be removed
msg = "cannot delete checkpoints";
goto failed;
}
- ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], dir);
+ ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], kbufs[2]);
if (ret < 0) {
/*
* can safely abort because DAT file is updated atomically
msg = "cannot delete virtual blocks from DAT file";
goto failed;
}
- ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], dir);
+ ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], kbufs[3]);
if (ret < 0) {
/*
* can safely abort because the operation is nondestructive.
msg = "cannot mark copying blocks dirty";
goto failed;
}
- ret = nilfs_ioctl_free_segments(nilfs, &argv[4], dir);
+ ret = nilfs_ioctl_free_segments(nilfs, &argv[4], kbufs[4]);
if (ret < 0) {
/*
* can safely abort because this operation is atomic.
static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
unsigned int cmd, void __user *argp)
{
+ struct nilfs_argv argv[5];
+ const static size_t argsz[5] = {
+ sizeof(struct nilfs_vdesc),
+ sizeof(struct nilfs_period),
+ sizeof(__u64),
+ sizeof(struct nilfs_bdesc),
+ sizeof(__u64),
+ };
+ void __user *base;
+ void *kbufs[5];
+ struct the_nilfs *nilfs;
+ size_t len, nsegs;
+ int n, ret;
+
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- return nilfs_clean_segments(inode->i_sb, argp);
+
+ if (copy_from_user(argv, argp, sizeof(argv)))
+ return -EFAULT;
+
+ nsegs = argv[4].v_nmembs;
+ if (argv[4].v_size != argsz[4])
+ return -EINVAL;
+ /*
+ * argv[4] points to segment numbers this ioctl cleans. We
+ * use kmalloc() for its buffer because memory used for the
+ * segment numbers is enough small.
+ */
+ kbufs[4] = memdup_user((void __user *)(unsigned long)argv[4].v_base,
+ nsegs * sizeof(__u64));
+ if (IS_ERR(kbufs[4]))
+ return PTR_ERR(kbufs[4]);
+
+ nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
+
+ for (n = 0; n < 4; n++) {
+ ret = -EINVAL;
+ if (argv[n].v_size != argsz[n])
+ goto out_free;
+
+ if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
+ goto out_free;
+
+ len = argv[n].v_size * argv[n].v_nmembs;
+ base = (void __user *)(unsigned long)argv[n].v_base;
+ if (len == 0) {
+ kbufs[n] = NULL;
+ continue;
+ }
+
+ kbufs[n] = vmalloc(len);
+ if (!kbufs[n]) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ if (copy_from_user(kbufs[n], base, len)) {
+ ret = -EFAULT;
+ vfree(kbufs[n]);
+ goto out_free;
+ }
+ }
+
+ ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
+
+ out_free:
+ while (--n > 0)
+ vfree(kbufs[n]);
+ kfree(kbufs[4]);
+ return ret;
}
static int nilfs_ioctl_sync(struct inode *inode, struct file *filp,
return 0;
}
+static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp,
+ unsigned int cmd, void __user *argp,
+ size_t membsz,
+ ssize_t (*dofunc)(struct the_nilfs *,
+ __u64 *, int,
+ void *, size_t, size_t))
+
+{
+ struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
+ struct nilfs_argv argv;
+ int ret;
+
+ if (copy_from_user(&argv, argp, sizeof(argv)))
+ return -EFAULT;
+
+ if (argv.v_size != membsz)
+ return -EINVAL;
+
+ ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), dofunc);
+ if (ret < 0)
+ return ret;
+
+ if (copy_to_user(argp, &argv, sizeof(argv)))
+ ret = -EFAULT;
+ return ret;
+}
+
long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = filp->f_dentry->d_inode;
case NILFS_IOCTL_DELETE_CHECKPOINT:
return nilfs_ioctl_delete_checkpoint(inode, filp, cmd, argp);
case NILFS_IOCTL_GET_CPINFO:
- return nilfs_ioctl_get_cpinfo(inode, filp, cmd, argp);
+ return nilfs_ioctl_get_info(inode, filp, cmd, argp,
+ sizeof(struct nilfs_cpinfo),
+ nilfs_ioctl_do_get_cpinfo);
case NILFS_IOCTL_GET_CPSTAT:
return nilfs_ioctl_get_cpstat(inode, filp, cmd, argp);
case NILFS_IOCTL_GET_SUINFO:
- return nilfs_ioctl_get_suinfo(inode, filp, cmd, argp);
+ return nilfs_ioctl_get_info(inode, filp, cmd, argp,
+ sizeof(struct nilfs_suinfo),
+ nilfs_ioctl_do_get_suinfo);
case NILFS_IOCTL_GET_SUSTAT:
return nilfs_ioctl_get_sustat(inode, filp, cmd, argp);
case NILFS_IOCTL_GET_VINFO:
- /* XXX: rename to ??? */
- return nilfs_ioctl_get_vinfo(inode, filp, cmd, argp);
+ return nilfs_ioctl_get_info(inode, filp, cmd, argp,
+ sizeof(struct nilfs_vinfo),
+ nilfs_ioctl_do_get_vinfo);
case NILFS_IOCTL_GET_BDESCS:
return nilfs_ioctl_get_bdescs(inode, filp, cmd, argp);
case NILFS_IOCTL_CLEAN_SEGMENTS:
void *))
{
struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs;
- struct nilfs_sb_info *writer = NULL;
struct super_block *sb = inode->i_sb;
struct nilfs_transaction_info ti;
struct buffer_head *bh;
int err;
if (!sb) {
- writer = nilfs_get_writer(nilfs);
- if (!writer) {
+ /*
+ * Make sure this function is not called from any
+ * read-only context.
+ */
+ if (!nilfs->ns_writer) {
+ WARN_ON(1);
err = -EROFS;
goto out;
}
- sb = writer->s_super;
+ sb = nilfs->ns_writer->s_super;
}
nilfs_transaction_begin(sb, &ti, 0);
err = nilfs_transaction_commit(sb);
else
nilfs_transaction_abort(sb);
- if (writer)
- nilfs_put_writer(nilfs);
out:
return err;
}
int err;
err = nilfs_bmap_delete(ii->i_bmap, block);
- if (likely(!err)) {
+ if (!err || err == -ENOENT) {
nilfs_mdt_mark_dirty(inode);
nilfs_mdt_forget_block(inode, block);
}
/* ioctl.c */
long nilfs_ioctl(struct file *, unsigned int, unsigned long);
-int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, void __user *);
+int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, struct nilfs_argv *,
+ void **);
/* inode.c */
extern struct inode *nilfs_new_inode(struct inode *, int);
lock_buffer(bh);
clear_buffer_nilfs_volatile(bh);
- if (test_clear_buffer_dirty(bh) && nilfs_page_buffers_clean(page))
+ clear_buffer_dirty(bh);
+ if (nilfs_page_buffers_clean(page))
__nilfs_clear_page_dirty(page);
clear_buffer_uptodate(bh);
}
static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs,
+ struct nilfs_sb_info *sbi,
struct nilfs_recovery_info *ri)
{
struct list_head *head = &ri->ri_used_segments;
segnum[2] = ri->ri_segnum;
segnum[3] = ri->ri_nextnum;
+ nilfs_attach_writer(nilfs, sbi);
/*
* Releasing the next segment of the latest super root.
* The next segment is invalidated by this recovery.
nilfs->ns_pseg_offset = 0;
nilfs->ns_seg_seq = ri->ri_seq + 2;
nilfs->ns_nextnum = nilfs->ns_segnum = segnum[0];
- return 0;
failed:
/* No need to recover sufile because it will be destroyed on error */
+ nilfs_detach_writer(nilfs, sbi);
return err;
}
goto failed;
if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) {
- err = nilfs_prepare_segment_for_recovery(nilfs, ri);
+ err = nilfs_prepare_segment_for_recovery(nilfs, sbi, ri);
if (unlikely(err)) {
printk(KERN_ERR "NILFS: Error preparing segments for "
"recovery.\n");
}
}
-int nilfs_clean_segments(struct super_block *sb, void __user *argp)
+int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
+ void **kbufs)
{
struct nilfs_sb_info *sbi = NILFS_SB(sb);
struct nilfs_sc_info *sci = NILFS_SC(sbi);
err = nilfs_init_gcdat_inode(nilfs);
if (unlikely(err))
goto out_unlock;
- err = nilfs_ioctl_prepare_clean_segments(nilfs, argp);
+ err = nilfs_ioctl_prepare_clean_segments(nilfs, argv, kbufs);
if (unlikely(err))
goto out_unlock;
extern int nilfs_construct_dsync_segment(struct super_block *, struct inode *,
loff_t, loff_t);
extern void nilfs_flush_segment(struct super_block *, ino_t);
-extern int nilfs_clean_segments(struct super_block *, void __user *);
+extern int nilfs_clean_segments(struct super_block *, struct nilfs_argv *,
+ void **);
extern int nilfs_segctor_add_segments_to_be_freed(struct nilfs_sc_info *,
__u64 *, size_t);
* dependency chains
* @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)
* @DMA_COMPL_SKIP_DEST_UNMAP - set to disable dma-unmapping the destination(s)
+ * @DMA_COMPL_SRC_UNMAP_SINGLE - set to do the source dma-unmapping as single
+ * (if not set, do the source dma-unmapping as page)
+ * @DMA_COMPL_DEST_UNMAP_SINGLE - set to do the destination dma-unmapping as single
+ * (if not set, do the destination dma-unmapping as page)
*/
enum dma_ctrl_flags {
DMA_PREP_INTERRUPT = (1 << 0),
DMA_CTRL_ACK = (1 << 1),
DMA_COMPL_SKIP_SRC_UNMAP = (1 << 2),
DMA_COMPL_SKIP_DEST_UNMAP = (1 << 3),
+ DMA_COMPL_SRC_UNMAP_SINGLE = (1 << 4),
+ DMA_COMPL_DEST_UNMAP_SINGLE = (1 << 5),
};
/**
asmlinkage long sys_fcntl64(unsigned int fd,
unsigned int cmd, unsigned long arg);
#endif
+asmlinkage long sys_pipe2(int __user *fildes, int flags);
asmlinkage long sys_dup(unsigned int fildes);
asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
if (!file)
return -EBADF;
- /*
- * Page cache readahead assumes page cache pages are order-0 which
- * is not the case for hugetlbfs. Do not give a bad return value
- * but ignore the advice.
- */
- if (vma->vm_flags & VM_HUGETLB)
- return 0;
-
if (file->f_mapping->a_ops->get_xip_mem) {
/* no bad return value, but ignore advice */
return 0;
frmr->page_list->page_list[page_no] =
ib_dma_map_single(xprt->sc_cm_id->device,
page_address(rqstp->rq_arg.pages[page_no]),
- PAGE_SIZE, DMA_TO_DEVICE);
+ PAGE_SIZE, DMA_FROM_DEVICE);
if (ib_dma_mapping_error(xprt->sc_cm_id->device,
frmr->page_list->page_list[page_no]))
goto fatal_err;
fatal_err:
printk("svcrdma: Error fast registering memory for xprt %p\n", xprt);
+ vec->frmr = NULL;
svc_rdma_put_frmr(xprt, frmr);
return -EIO;
}
"svcrdma: could not post a receive buffer, err=%d."
"Closing transport %p.\n", ret, rdma);
set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
+ svc_rdma_put_frmr(rdma, vec->frmr);
svc_rdma_put_context(ctxt, 0);
return -ENOTCONN;
}
return 0;
err:
+ svc_rdma_unmap_dma(ctxt);
svc_rdma_put_frmr(rdma, vec->frmr);
svc_rdma_put_context(ctxt, 1);
return -EIO;
svc_xprt_get(&xprt->sc_xprt);
ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr);
if (ret) {
- svc_xprt_put(&xprt->sc_xprt);
+ svc_rdma_unmap_dma(ctxt);
svc_rdma_put_context(ctxt, 1);
+ svc_xprt_put(&xprt->sc_xprt);
}
return ret;
projects / firefly-linux-kernel-4.4.55.git / commitdiff