MIPS: dsp: Add assembler support for DSP ASEs.

[firefly-linux-kernel-4.4.55.git] / arch / mips / include / asm / mipsregs.h

diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 7e4e6f8fab37b31ab7923f4d1137fafc68b6e1ec..578132219ff6ef3ad95b3dc21b4ee126f971aef8 100644 (file)
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -595,6 +595,7 @@
 #define MIPS_CONF3_DSP2P       (_ULCAST_(1) << 11)
 #define MIPS_CONF3_RXI         (_ULCAST_(1) << 12)
 #define MIPS_CONF3_ULRI                (_ULCAST_(1) << 13)
+#define MIPS_CONF3_ISA         (_ULCAST_(3) << 14)
 
 #define MIPS_CONF4_MMUSIZEEXT  (_ULCAST_(255) << 0)
 #define MIPS_CONF4_MMUEXTDEF   (_ULCAST_(3) << 14)
@@ -1154,36 +1155,26 @@ do {                                                                    \
         : "=r" (__res));                                        \
         __res;})
 
+#ifdef HAVE_AS_DSP
 #define rddsp(mask)                                                    \
 ({                                                                     \
-       unsigned int __res;                                             \
+       unsigned int __dspctl;                                          \
                                                                        \
        __asm__ __volatile__(                                           \
-       "       .set    push                            \n"             \
-       "       .set    noat                            \n"             \
-       "       # rddsp $1, %x1                         \n"             \
-       "       .word   0x7c000cb8 | (%x1 << 16)        \n"             \
-       "       move    %0, $1                          \n"             \
-       "       .set    pop                             \n"             \
-       : "=r" (__res)                                                  \
+       "       rddsp   %0, %x1                                 \n"     \
+       : "=r" (__dspctl)                                               \
        : "i" (mask));                                                  \
-       __res;                                                          \
+       __dspctl;                                                       \
 })
 
 #define wrdsp(val, mask)                                               \
 do {                                                                   \
        __asm__ __volatile__(                                           \
-       "       .set    push                                    \n"     \
-       "       .set    noat                                    \n"     \
-       "       move    $1, %0                                  \n"     \
-       "       # wrdsp $1, %x1                                 \n"     \
-       "       .word   0x7c2004f8 | (%x1 << 11)                \n"     \
-       "       .set    pop                                     \n"     \
-        :                                                              \
+       "       wrdsp   %0, %x1                                 \n"     \
+       :                                                               \
        : "r" (val), "i" (mask));                                       \
 } while (0)
 
-#if 0  /* Need DSP ASE capable assembler ... */
 #define mflo0() ({ long mflo0; __asm__("mflo %0, $ac0" : "=r" (mflo0)); mflo0;})
 #define mflo1() ({ long mflo1; __asm__("mflo %0, $ac1" : "=r" (mflo1)); mflo1;})
 #define mflo2() ({ long mflo2; __asm__("mflo %0, $ac2" : "=r" (mflo2)); mflo2;})
@@ -1206,6 +1197,35 @@ do {                                                                     \
 
 #else
 
+#define rddsp(mask)                                                    \
+({                                                                     \
+       unsigned int __res;                                             \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                            \n"             \
+       "       .set    noat                            \n"             \
+       "       # rddsp $1, %x1                         \n"             \
+       "       .word   0x7c000cb8 | (%x1 << 16)        \n"             \
+       "       move    %0, $1                          \n"             \
+       "       .set    pop                             \n"             \
+       : "=r" (__res)                                                  \
+       : "i" (mask));                                                  \
+       __res;                                                          \
+})
+
+#define wrdsp(val, mask)                                               \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # wrdsp $1, %x1                                 \n"     \
+       "       .word   0x7c2004f8 | (%x1 << 11)                \n"     \
+       "       .set    pop                                     \n"     \
+        :                                                              \
+       : "r" (val), "i" (mask));                                       \
+} while (0)
+
 #define mfhi0()                                                                \
 ({                                                                     \
        unsigned long __treg;                                           \