diff options
| author | Guo Ren <ren_guo@c-sky.com> | 2019-04-19 11:10:52 +0200 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2019-04-22 07:44:57 +0200 |
| commit | 683fafebf93bcde9948246849348b888e185cb22 (patch) | |
| tree | dc612f1998fe65de5c7357f6d4d3d0c202b5fd89 /arch/csky/include | |
| parent | csky: Support vmlinux bootup with MMU off (diff) | |
| download | linux-683fafebf93bcde9948246849348b888e185cb22.tar.xz linux-683fafebf93bcde9948246849348b888e185cb22.zip | |
csky: Use va_pa_offset instead of phys_offset
The name of phys_offset is so common for global export and it may
conflict with some local name. So change phys_offset to va_pa_offset
which also used by riscv.
Also use __pa() and __va() instead of using phys_offset directly.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/include')
| -rw-r--r-- | arch/csky/include/asm/mmu_context.h | 17 | ||||
| -rw-r--r-- | arch/csky/include/asm/page.h | 10 |
2 files changed, 7 insertions, 20 deletions
diff --git a/arch/csky/include/asm/mmu_context.h b/arch/csky/include/asm/mmu_context.h index c41f86b22460..734db3a122e1 100644 --- a/arch/csky/include/asm/mmu_context.h +++ b/arch/csky/include/asm/mmu_context.h @@ -14,23 +14,10 @@ #include <linux/sched.h> #include <abi/ckmmu.h> -static inline void tlbmiss_handler_setup_pgd(unsigned long pgd, bool kernel) -{ - pgd -= PAGE_OFFSET; - pgd += phys_offset; - pgd |= 1; - setup_pgd(pgd, kernel); -} - #define TLBMISS_HANDLER_SETUP_PGD(pgd) \ - tlbmiss_handler_setup_pgd((unsigned long)pgd, 0) + setup_pgd(__pa(pgd), false) #define TLBMISS_HANDLER_SETUP_PGD_KERNEL(pgd) \ - tlbmiss_handler_setup_pgd((unsigned long)pgd, 1) - -static inline unsigned long tlb_get_pgd(void) -{ - return ((get_pgd() - phys_offset) & ~1) + PAGE_OFFSET; -} + setup_pgd(__pa(pgd), true) #define cpu_context(cpu, mm) ((mm)->context.asid[cpu]) #define cpu_asid(cpu, mm) (cpu_context((cpu), (mm)) & ASID_MASK) diff --git a/arch/csky/include/asm/page.h b/arch/csky/include/asm/page.h index 4ce3d5c28ffc..9738eacefdc7 100644 --- a/arch/csky/include/asm/page.h +++ b/arch/csky/include/asm/page.h @@ -72,13 +72,13 @@ typedef struct page *pgtable_t; #define __pgd(x) ((pgd_t) { (x) }) #define __pgprot(x) ((pgprot_t) { (x) }) -extern unsigned long phys_offset; +extern unsigned long va_pa_offset; -#define ARCH_PFN_OFFSET PFN_DOWN(phys_offset + PHYS_OFFSET_OFFSET) +#define ARCH_PFN_OFFSET PFN_DOWN(va_pa_offset + PHYS_OFFSET_OFFSET) + +#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + va_pa_offset) +#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET - va_pa_offset)) -#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_offset) -#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET - \ - phys_offset)) #define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0)) #define MAP_NR(x) PFN_DOWN((unsigned long)(x) - PAGE_OFFSET - \ |