openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branch '4.2-fixes' into mips-for-linux-next

This commit is contained in:
Ralf Baechle 2015-09-03 14:06:33 +02:00
parent fb2646ab03 e0d8b2ec53
commit 2db97045aa
3 changed files with 20 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
arch/mips/include/asm/pgtable-bits.h
View File

@ -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)

12
arch/mips/include/uapi/asm/swab.h
View File

@ -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"

4
arch/mips/kernel/cps-vec.S
View File

@ -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