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-rw-r--r--arch/sparc/mm/srmmu.c77
1 files changed, 17 insertions, 60 deletions
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index d9487d85184..32cec268c2c 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -109,10 +109,6 @@ void *srmmu_nocache_pool;
void *srmmu_nocache_bitmap;
static struct bit_map srmmu_nocache_map;
-static inline unsigned long srmmu_pgd_page(pgd_t pgd)
-{ return srmmu_device_memory(pgd_val(pgd))?~0:(unsigned long)__nocache_va((pgd_val(pgd) & SRMMU_PTD_PMASK) << 4); }
-
-
static inline int srmmu_pte_none(pte_t pte)
{ return !(pte_val(pte) & 0xFFFFFFF); }
@@ -163,15 +159,8 @@ static inline pte_t srmmu_pte_modify(pte_t pte, pgprot_t newprot)
static inline pgd_t *srmmu_pgd_offset(struct mm_struct * mm, unsigned long address)
{ return mm->pgd + (address >> SRMMU_PGDIR_SHIFT); }
-/* Find an entry in the second-level page table.. */
-static inline pmd_t *srmmu_pmd_offset(pgd_t * dir, unsigned long address)
-{
- return (pmd_t *) srmmu_pgd_page(*dir) +
- ((address >> PMD_SHIFT) & (PTRS_PER_PMD - 1));
-}
-
/* Find an entry in the third-level page table.. */
-static inline pte_t *srmmu_pte_offset(pmd_t * dir, unsigned long address)
+pte_t *pte_offset_kernel(pmd_t * dir, unsigned long address)
{
void *pte;
@@ -180,23 +169,6 @@ static inline pte_t *srmmu_pte_offset(pmd_t * dir, unsigned long address)
((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1));
}
-static unsigned long srmmu_swp_type(swp_entry_t entry)
-{
- return (entry.val >> SRMMU_SWP_TYPE_SHIFT) & SRMMU_SWP_TYPE_MASK;
-}
-
-static unsigned long srmmu_swp_offset(swp_entry_t entry)
-{
- return (entry.val >> SRMMU_SWP_OFF_SHIFT) & SRMMU_SWP_OFF_MASK;
-}
-
-static swp_entry_t srmmu_swp_entry(unsigned long type, unsigned long offset)
-{
- return (swp_entry_t) {
- (type & SRMMU_SWP_TYPE_MASK) << SRMMU_SWP_TYPE_SHIFT
- | (offset & SRMMU_SWP_OFF_MASK) << SRMMU_SWP_OFF_SHIFT };
-}
-
/*
* size: bytes to allocate in the nocache area.
* align: bytes, number to align at.
@@ -333,8 +305,8 @@ static void __init srmmu_nocache_init(void)
while (vaddr < srmmu_nocache_end) {
pgd = pgd_offset_k(vaddr);
- pmd = srmmu_pmd_offset(__nocache_fix(pgd), vaddr);
- pte = srmmu_pte_offset(__nocache_fix(pmd), vaddr);
+ pmd = pmd_offset(__nocache_fix(pgd), vaddr);
+ pte = pte_offset_kernel(__nocache_fix(pmd), vaddr);
pteval = ((paddr >> 4) | SRMMU_ET_PTE | SRMMU_PRIV);
@@ -467,8 +439,8 @@ static inline void srmmu_mapioaddr(unsigned long physaddr,
physaddr &= PAGE_MASK;
pgdp = pgd_offset_k(virt_addr);
- pmdp = srmmu_pmd_offset(pgdp, virt_addr);
- ptep = srmmu_pte_offset(pmdp, virt_addr);
+ pmdp = pmd_offset(pgdp, virt_addr);
+ ptep = pte_offset_kernel(pmdp, virt_addr);
tmp = (physaddr >> 4) | SRMMU_ET_PTE;
/*
@@ -482,8 +454,8 @@ static inline void srmmu_mapioaddr(unsigned long physaddr,
set_pte(ptep, __pte(tmp));
}
-static void srmmu_mapiorange(unsigned int bus, unsigned long xpa,
- unsigned long xva, unsigned int len)
+void srmmu_mapiorange(unsigned int bus, unsigned long xpa,
+ unsigned long xva, unsigned int len)
{
while (len != 0) {
len -= PAGE_SIZE;
@@ -501,14 +473,14 @@ static inline void srmmu_unmapioaddr(unsigned long virt_addr)
pte_t *ptep;
pgdp = pgd_offset_k(virt_addr);
- pmdp = srmmu_pmd_offset(pgdp, virt_addr);
- ptep = srmmu_pte_offset(pmdp, virt_addr);
+ pmdp = pmd_offset(pgdp, virt_addr);
+ ptep = pte_offset_kernel(pmdp, virt_addr);
/* No need to flush uncacheable page. */
__pte_clear(ptep);
}
-static void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
+void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
{
while (len != 0) {
len -= PAGE_SIZE;
@@ -949,7 +921,7 @@ static void __init srmmu_early_allocate_ptable_skeleton(unsigned long start,
memset(__nocache_fix(pmdp), 0, SRMMU_PMD_TABLE_SIZE);
pgd_set(__nocache_fix(pgdp), pmdp);
}
- pmdp = srmmu_pmd_offset(__nocache_fix(pgdp), start);
+ pmdp = pmd_offset(__nocache_fix(pgdp), start);
if(srmmu_pmd_none(*(pmd_t *)__nocache_fix(pmdp))) {
ptep = (pte_t *)__srmmu_get_nocache(PTE_SIZE, PTE_SIZE);
if (ptep == NULL)
@@ -979,7 +951,7 @@ static void __init srmmu_allocate_ptable_skeleton(unsigned long start,
memset(pmdp, 0, SRMMU_PMD_TABLE_SIZE);
pgd_set(pgdp, pmdp);
}
- pmdp = srmmu_pmd_offset(pgdp, start);
+ pmdp = pmd_offset(pgdp, start);
if(srmmu_pmd_none(*pmdp)) {
ptep = (pte_t *) __srmmu_get_nocache(PTE_SIZE,
PTE_SIZE);
@@ -1045,7 +1017,7 @@ static void __init srmmu_inherit_prom_mappings(unsigned long start,
memset(__nocache_fix(pmdp), 0, SRMMU_PMD_TABLE_SIZE);
pgd_set(__nocache_fix(pgdp), pmdp);
}
- pmdp = srmmu_pmd_offset(__nocache_fix(pgdp), start);
+ pmdp = pmd_offset(__nocache_fix(pgdp), start);
if(srmmu_pmd_none(*(pmd_t *)__nocache_fix(pmdp))) {
ptep = (pte_t *) __srmmu_get_nocache(PTE_SIZE,
PTE_SIZE);
@@ -1066,7 +1038,7 @@ static void __init srmmu_inherit_prom_mappings(unsigned long start,
start += SRMMU_REAL_PMD_SIZE;
continue;
}
- ptep = srmmu_pte_offset(__nocache_fix(pmdp), start);
+ ptep = pte_offset_kernel(__nocache_fix(pmdp), start);
*(pte_t *)__nocache_fix(ptep) = __pte(prompte);
start += PAGE_SIZE;
}
@@ -1200,8 +1172,8 @@ void __init srmmu_paging_init(void)
srmmu_allocate_ptable_skeleton(PKMAP_BASE, PKMAP_END);
pgd = pgd_offset_k(PKMAP_BASE);
- pmd = srmmu_pmd_offset(pgd, PKMAP_BASE);
- pte = srmmu_pte_offset(pmd, PKMAP_BASE);
+ pmd = pmd_offset(pgd, PKMAP_BASE);
+ pte = pte_offset_kernel(pmd, PKMAP_BASE);
pkmap_page_table = pte;
flush_cache_all();
@@ -1233,7 +1205,7 @@ void __init srmmu_paging_init(void)
}
}
-static void srmmu_mmu_info(struct seq_file *m)
+void mmu_info(struct seq_file *m)
{
seq_printf(m,
"MMU type\t: %s\n"
@@ -2015,24 +1987,9 @@ void __init load_mmu(void)
BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2);
#endif
- BTFIXUPSET_CALL(pgd_page_vaddr, srmmu_pgd_page, BTFIXUPCALL_NORM);
-
- BTFIXUPSET_INT(pte_modify_mask, SRMMU_CHG_MASK);
- BTFIXUPSET_CALL(pmd_offset, srmmu_pmd_offset, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(pte_offset_kernel, srmmu_pte_offset, BTFIXUPCALL_NORM);
-
BTFIXUPSET_CALL(update_mmu_cache, srmmu_update_mmu_cache, BTFIXUPCALL_NOP);
BTFIXUPSET_CALL(destroy_context, srmmu_destroy_context, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(sparc_mapiorange, srmmu_mapiorange, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(sparc_unmapiorange, srmmu_unmapiorange, BTFIXUPCALL_NORM);
-
- BTFIXUPSET_CALL(__swp_type, srmmu_swp_type, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(__swp_offset, srmmu_swp_offset, BTFIXUPCALL_NORM);
- BTFIXUPSET_CALL(__swp_entry, srmmu_swp_entry, BTFIXUPCALL_NORM);
-
- BTFIXUPSET_CALL(mmu_info, srmmu_mmu_info, BTFIXUPCALL_NORM);
-
get_srmmu_type();
#ifdef CONFIG_SMP
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 11:43:39 +0000