diff options
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index e5054b026c2..b02be6c55ae 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -197,22 +197,29 @@ extern void __pgd_error(const char *file, int line, unsigned long val); * shared mapping bits. */ #define _L_PTE_DEFAULT L_PTE_PRESENT | L_PTE_YOUNG -#define _L_PTE_READ L_PTE_USER | L_PTE_EXEC extern pgprot_t pgprot_user; extern pgprot_t pgprot_kernel; -#define PAGE_NONE pgprot_user -#define PAGE_COPY __pgprot(pgprot_val(pgprot_user) | _L_PTE_READ) -#define PAGE_SHARED __pgprot(pgprot_val(pgprot_user) | _L_PTE_READ | \ - L_PTE_WRITE) -#define PAGE_READONLY __pgprot(pgprot_val(pgprot_user) | _L_PTE_READ) -#define PAGE_KERNEL pgprot_kernel - -#define __PAGE_NONE __pgprot(_L_PTE_DEFAULT) -#define __PAGE_COPY __pgprot(_L_PTE_DEFAULT | _L_PTE_READ) -#define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | _L_PTE_READ | L_PTE_WRITE) -#define __PAGE_READONLY __pgprot(_L_PTE_DEFAULT | _L_PTE_READ) +#define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) + +#define PAGE_NONE pgprot_user +#define PAGE_SHARED _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_WRITE) +#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_WRITE | L_PTE_EXEC) +#define PAGE_COPY _MOD_PROT(pgprot_user, L_PTE_USER) +#define PAGE_COPY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_EXEC) +#define PAGE_READONLY _MOD_PROT(pgprot_user, L_PTE_USER) +#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_EXEC) +#define PAGE_KERNEL pgprot_kernel +#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_kernel, L_PTE_EXEC) + +#define __PAGE_NONE __pgprot(_L_PTE_DEFAULT) +#define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_WRITE) +#define __PAGE_SHARED_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_WRITE | L_PTE_EXEC) +#define __PAGE_COPY __pgprot(_L_PTE_DEFAULT | L_PTE_USER) +#define __PAGE_COPY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_EXEC) +#define __PAGE_READONLY __pgprot(_L_PTE_DEFAULT | L_PTE_USER) +#define __PAGE_READONLY_EXEC __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_EXEC) #endif /* __ASSEMBLY__ */ @@ -228,19 +235,19 @@ extern pgprot_t pgprot_kernel; #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 __P100 __PAGE_READONLY_EXEC +#define __P101 __PAGE_READONLY_EXEC +#define __P110 __PAGE_COPY_EXEC +#define __P111 __PAGE_COPY_EXEC #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 __S100 __PAGE_READONLY_EXEC +#define __S101 __PAGE_READONLY_EXEC +#define __S110 __PAGE_SHARED_EXEC +#define __S111 __PAGE_SHARED_EXEC #ifndef __ASSEMBLY__ /* |