diff options
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r-- | arch/sparc/include/asm/mmu_64.h | 16 | ||||
-rw-r--r-- | arch/sparc/include/asm/page_64.h | 12 | ||||
-rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 40 |
3 files changed, 7 insertions, 61 deletions
diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index 9067dc500535..5fb97e19d81e 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -30,22 +30,8 @@ #define CTX_PGSZ_MASK ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \ (CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT)) -#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) #define CTX_PGSZ_BASE CTX_PGSZ_8KB -#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) -#define CTX_PGSZ_BASE CTX_PGSZ_64KB -#else -#error No page size specified in kernel configuration -#endif - -#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) -#define CTX_PGSZ_HUGE CTX_PGSZ_4MB -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) -#define CTX_PGSZ_HUGE CTX_PGSZ_512KB -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) -#define CTX_PGSZ_HUGE CTX_PGSZ_64KB -#endif - +#define CTX_PGSZ_HUGE CTX_PGSZ_4MB #define CTX_PGSZ_KERN CTX_PGSZ_4MB /* Thus, when running on UltraSPARC-III+ and later, we use the following diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index f0d09b401036..b2df9b8b2d46 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -3,13 +3,7 @@ #include <linux/const.h> -#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) #define PAGE_SHIFT 13 -#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) -#define PAGE_SHIFT 16 -#else -#error No page size specified in kernel configuration -#endif #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) @@ -21,13 +15,7 @@ #define DCACHE_ALIASING_POSSIBLE #endif -#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) #define HPAGE_SHIFT 22 -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) -#define HPAGE_SHIFT 19 -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) -#define HPAGE_SHIFT 16 -#endif #ifdef CONFIG_HUGETLB_PAGE #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 61210db139fb..387d484c62f9 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -160,26 +160,11 @@ #define _PAGE_SZ8K_4V _AC(0x0000000000000000,UL) /* 8K Page */ #define _PAGE_SZALL_4V _AC(0x0000000000000007,UL) /* All pgsz bits */ -#if PAGE_SHIFT == 13 #define _PAGE_SZBITS_4U _PAGE_SZ8K_4U #define _PAGE_SZBITS_4V _PAGE_SZ8K_4V -#elif PAGE_SHIFT == 16 -#define _PAGE_SZBITS_4U _PAGE_SZ64K_4U -#define _PAGE_SZBITS_4V _PAGE_SZ64K_4V -#else -#error Wrong PAGE_SHIFT specified -#endif -#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) #define _PAGE_SZHUGE_4U _PAGE_SZ4MB_4U #define _PAGE_SZHUGE_4V _PAGE_SZ4MB_4V -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) -#define _PAGE_SZHUGE_4U _PAGE_SZ512K_4U -#define _PAGE_SZHUGE_4V _PAGE_SZ512K_4V -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) -#define _PAGE_SZHUGE_4U _PAGE_SZ64K_4U -#define _PAGE_SZHUGE_4V _PAGE_SZ64K_4V -#endif /* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */ #define __P000 __pgprot(0) @@ -218,7 +203,6 @@ extern unsigned long _PAGE_CACHE; extern unsigned long pg_iobits; extern unsigned long _PAGE_ALL_SZ_BITS; -extern unsigned long _PAGE_SZBITS; extern struct page *mem_map_zero; #define ZERO_PAGE(vaddr) (mem_map_zero) @@ -231,22 +215,9 @@ extern struct page *mem_map_zero; static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) { unsigned long paddr = pfn << PAGE_SHIFT; - unsigned long sz_bits; - - sz_bits = 0UL; - if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) { - __asm__ __volatile__( - "\n661: sethi %%uhi(%1), %0\n" - " sllx %0, 32, %0\n" - " .section .sun4v_2insn_patch, \"ax\"\n" - " .word 661b\n" - " mov %2, %0\n" - " nop\n" - " .previous\n" - : "=r" (sz_bits) - : "i" (_PAGE_SZBITS_4U), "i" (_PAGE_SZBITS_4V)); - } - return __pte(paddr | sz_bits | pgprot_val(prot)); + + BUILD_BUG_ON(_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL); + return __pte(paddr | pgprot_val(prot)); } #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) @@ -286,6 +257,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) * Note: We encode this into 3 sun4v 2-insn patch sequences. */ + BUILD_BUG_ON(_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL); __asm__ __volatile__( "\n661: sethi %%uhi(%2), %1\n" " sethi %%hi(%2), %0\n" @@ -307,10 +279,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) : "=r" (mask), "=r" (tmp) : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U | _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U | - _PAGE_SZBITS_4U | _PAGE_SPECIAL), + _PAGE_SPECIAL), "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V | _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V | - _PAGE_SZBITS_4V | _PAGE_SPECIAL)); + _PAGE_SPECIAL)); return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask)); } |