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author | Chen Liqin <liqin.chen@sunplusct.com> | 2009-06-19 13:53:49 +0800 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2009-06-19 11:40:13 +0200 |
commit | 0402c91af944c61bf788370f03326959a35cb8be (patch) | |
tree | 1f522cec2d62050e7fcaed676005b7d43922276e /arch/score/include/asm/pgtable.h | |
parent | 6bcf67374137f433e85aa42a18fde9f0e8562901 (diff) | |
download | kernel_goldelico_gta04-0402c91af944c61bf788370f03326959a35cb8be.zip kernel_goldelico_gta04-0402c91af944c61bf788370f03326959a35cb8be.tar.gz kernel_goldelico_gta04-0402c91af944c61bf788370f03326959a35cb8be.tar.bz2 |
score: update files according to review comments
modified: arch/score/include/asm/cacheflush.h
modified: arch/score/include/asm/delay.h
modified: arch/score/include/asm/errno.h
modified: arch/score/include/asm/pgtable-bits.h
modified: arch/score/include/asm/pgtable.h
modified: arch/score/include/asm/ptrace.h
modified: arch/score/include/asm/unistd.h
modified: arch/score/kernel/entry.S
modified: arch/score/kernel/process.c
modified: arch/score/kernel/ptrace.c
modified: arch/score/kernel/signal.c
modified: arch/score/kernel/sys_score.c
modified: arch/score/kernel/traps.c
modified: arch/score/mm/cache.c
Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/score/include/asm/pgtable.h')
-rw-r--r-- | arch/score/include/asm/pgtable.h | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h index 0f7177a..5e913e5 100644 --- a/arch/score/include/asm/pgtable.h +++ b/arch/score/include/asm/pgtable.h @@ -106,24 +106,6 @@ static inline void pmd_clear(pmd_t *pmdp) ((swp_entry_t) { pte_val(pte)}) #define __swp_entry_to_pte(x) ((pte_t) {(x).val}) -#define __P000 __pgprot(0) -#define __P001 __pgprot(0) -#define __P010 __pgprot(0) -#define __P011 __pgprot(0) -#define __P100 __pgprot(0) -#define __P101 __pgprot(0) -#define __P110 __pgprot(0) -#define __P111 __pgprot(0) - -#define __S000 __pgprot(0) -#define __S001 __pgprot(0) -#define __S010 __pgprot(0) -#define __S011 __pgprot(0) -#define __S100 __pgprot(0) -#define __S101 __pgprot(0) -#define __S110 __pgprot(0) -#define __S111 __pgprot(0) - #define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd))) #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) static inline pte_t pte_mkspecial(pte_t pte) { return pte; } @@ -136,10 +118,15 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define pgd_present(pgd) (1) /* pages are always present on non MMU */ +/* + * The "pgd_xxx()" functions here are trivial for a folded two-level + * setup: the pgd is never bad, and a pmd always exists (as it's folded + * into the pgd entry) + */ +#define pgd_present(pgd) (1) #define pgd_none(pgd) (0) #define pgd_bad(pgd) (0) -#define pgd_clear(pgdp) +#define pgd_clear(pgdp) do { } while (0) #define kern_addr_valid(addr) (1) #define pmd_offset(a, b) ((void *) 0) @@ -150,11 +137,33 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #define pud_offset(pgd, address) ((pud_t *) pgd) -#define PAGE_NONE __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_SHARED __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_COPY __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_READONLY __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_KERNEL __pgprot(0) /* these mean nothing to non MMU */ +#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_CACHE) +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \ + _PAGE_CACHE) +#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHE) +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHE) +#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \ + _PAGE_GLOBAL | _PAGE_CACHE) +#define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \ + __WRITEABLE | _PAGE_GLOBAL & ~_PAGE_CACHE) + +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY +#define __P101 PAGE_READONLY +#define __P110 PAGE_COPY +#define __P111 PAGE_COPY + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY +#define __S101 PAGE_READONLY +#define __S110 PAGE_SHARED +#define __S111 PAGE_SHARED #define pgprot_noncached(x) (x) |