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authorRalf Baechle <ralf@linux-mips.org>2015-09-03 14:06:33 +0200
committerRalf Baechle <ralf@linux-mips.org>2015-09-03 14:06:33 +0200
commit2db97045aa40da4312f7321845bc52b136c8603a (patch)
tree0cfa0814655b5565afae377b9b675a0ef6d50222 /arch
parentfb2646ab032d12ef06225c64768691c7ecc500ec (diff)
parente0d8b2ec532852d4b5aabcec3e7611848c32237d (diff)
Merge branch '4.2-fixes' into mips-for-linux-next
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/include/asm/pgtable-bits.h23
-rw-r--r--arch/mips/include/uapi/asm/swab.h12
-rw-r--r--arch/mips/kernel/cps-vec.S4
3 files changed, 20 insertions, 19 deletions
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 002eeb224733..ff7ad91c85db 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -133,20 +133,13 @@
#define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT)
#define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1)
#define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT)
-
-/* Only R2 or newer cores have the XI bit */
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
-#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
-#else
-#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
-#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
-
#endif /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
/* XI - page cannot be executed */
-#ifndef _PAGE_NO_EXEC_SHIFT
+#ifdef _PAGE_SPLITTING_SHIFT
+#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
+#else
#define _PAGE_NO_EXEC_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
#endif
#define _PAGE_NO_EXEC (cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0)
@@ -156,14 +149,16 @@
#define _PAGE_READ (cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT))
#define _PAGE_NO_READ_SHIFT _PAGE_READ_SHIFT
#define _PAGE_NO_READ (cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0)
+#endif /* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */
+#if defined(_PAGE_NO_READ_SHIFT)
#define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1)
-#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-
-#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR6 */
+#elif defined(_PAGE_SPLITTING_SHIFT)
+#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
+#else
#define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
+#endif
#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
#define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1)
#define _PAGE_VALID (1 << _PAGE_VALID_SHIFT)
diff --git a/arch/mips/include/uapi/asm/swab.h b/arch/mips/include/uapi/asm/swab.h
index 8f2d184dbe9f..c4ddc4f0d2dc 100644
--- a/arch/mips/include/uapi/asm/swab.h
+++ b/arch/mips/include/uapi/asm/swab.h
@@ -16,11 +16,13 @@
#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) || \
defined(_MIPS_ARCH_LOONGSON3A)
-static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
+static inline __attribute__((nomips16)) __attribute_const__
+ __u16 __arch_swab16(__u16 x)
{
__asm__(
" .set push \n"
" .set arch=mips32r2 \n"
+ " .set nomips16 \n"
" wsbh %0, %1 \n"
" .set pop \n"
: "=r" (x)
@@ -30,11 +32,13 @@ static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
}
#define __arch_swab16 __arch_swab16
-static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
+static inline __attribute__((nomips16)) __attribute_const__
+ __u32 __arch_swab32(__u32 x)
{
__asm__(
" .set push \n"
" .set arch=mips32r2 \n"
+ " .set nomips16 \n"
" wsbh %0, %1 \n"
" rotr %0, %0, 16 \n"
" .set pop \n"
@@ -50,11 +54,13 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
* 64-bit kernel on r2 CPUs.
*/
#ifdef __mips64
-static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
+static inline __attribute__((nomips16)) __attribute_const__
+ __u64 __arch_swab64(__u64 x)
{
__asm__(
" .set push \n"
" .set arch=mips64r2 \n"
+ " .set nomips16 \n"
" dsbh %0, %1 \n"
" dshd %0, %0 \n"
" .set pop \n"
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 1b6ca634e646..9f71c06aebf6 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -152,7 +152,7 @@ dcache_done:
/* Enter the coherent domain */
li t0, 0xff
- PTR_S t0, GCR_CL_COHERENCE_OFS(v1)
+ sw t0, GCR_CL_COHERENCE_OFS(v1)
ehb
/* Jump to kseg0 */
@@ -302,7 +302,7 @@ LEAF(mips_cps_boot_vpes)
PTR_L t0, 0(t0)
/* Calculate a pointer to this cores struct core_boot_config */
- PTR_L t0, GCR_CL_ID_OFS(t0)
+ lw t0, GCR_CL_ID_OFS(t0)
li t1, COREBOOTCFG_SIZE
mul t0, t0, t1
PTR_LA t1, mips_cps_core_bootcfg