Merge remote-tracking branch 'lsk/v3.10/topic/gator' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / include / asm / pgtable-hwdef.h

diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index d25991747650bfe1f4c3594a8fa31afb1d1d8f52..2e9d83673ef623afe4a08d58805f05b5f47f2641 100644 (file)
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -79,6 +79,24 @@
 #define PTE_ATTRINDX(t)                (_AT(pteval_t, (t)) << 2)
 #define PTE_ATTRINDX_MASK      (_AT(pteval_t, 7) << 2)
 
+/*
+ * 2nd stage PTE definitions
+ */
+#define PTE_S2_RDONLY          (_AT(pteval_t, 1) << 6)   /* HAP[2:1] */
+#define PTE_S2_RDWR            (_AT(pteval_t, 3) << 6)   /* HAP[2:1] */
+
+/*
+ * Memory Attribute override for Stage-2 (MemAttr[3:0])
+ */
+#define PTE_S2_MEMATTR(t)      (_AT(pteval_t, (t)) << 2)
+#define PTE_S2_MEMATTR_MASK    (_AT(pteval_t, 0xf) << 2)
+
+/*
+ * EL2/HYP PTE/PMD definitions
+ */
+#define PMD_HYP                        PMD_SECT_USER
+#define PTE_HYP                        PTE_USER
+
 /*
  * 40-bit physical address supported.
  */