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sparc32: Un-btfixup set_pte, pte_present, mk_pte{_phys,_io}().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-05-12 13:39:23 -07:00
parent a3c5c6637b
commit 62875cff73
2 changed files with 33 additions and 52 deletions
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50
arch/sparc/include/asm/pgtable_32.h
View File

@ -113,11 +113,18 @@ static inline unsigned long srmmu_swap(unsigned long *addr, unsigned long value)
return value;
}
static inline void srmmu_set_pte(pte_t *ptep, pte_t pteval)
/* Certain architectures need to do special things when pte's
* within a page table are directly modified. Thus, the following
* hook is made available.
*/
static inline void set_pte(pte_t *ptep, pte_t pteval)
{
srmmu_swap((unsigned long *)ptep, pte_val(pteval));
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
static inline int srmmu_device_memory(unsigned long x)
{
return ((x & 0xF0000000) != 0);
@ -134,18 +141,19 @@ BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t)
#define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd)
BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t)
static inline int pte_present(pte_t pte)
{
return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE);
}
static inline int pte_none(pte_t pte)
{
return !pte_val(pte);
}
#define pte_present(pte) BTFIXUP_CALL(pte_present)(pte)
static inline void __pte_clear(pte_t *ptep)
{
srmmu_set_pte(ptep, __pte(0));
set_pte(ptep, __pte(0));
}
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
@ -172,7 +180,7 @@ static inline void pmd_clear(pmd_t *pmdp)
{
int i;
for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++)
srmmu_set_pte((pte_t *)&pmdp->pmdv[i], __pte(0));
set_pte((pte_t *)&pmdp->pmdv[i], __pte(0));
}
static inline int pgd_none(pgd_t pgd)
@ -192,7 +200,7 @@ static inline int pgd_present(pgd_t pgd)
static inline void pgd_clear(pgd_t *pgdp)
{
srmmu_set_pte((pte_t *)pgdp, __pte(0));
set_pte((pte_t *)pgdp, __pte(0));
}
/*
@ -292,14 +300,20 @@ static inline unsigned long pte_pfn(pte_t pte)
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
*/
BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t)
static inline pte_t mk_pte(struct page *page, pgprot_t pgprot)
{
return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot));
}
BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t)
BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int)
static inline pte_t mk_pte_phys(unsigned long page, pgprot_t pgprot)
{
return __pte(((page) >> 4) | pgprot_val(pgprot));
}
#define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot)
#define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot)
#define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space)
static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space)
{
return __pte(((page) >> 4) | (space << 28) | pgprot_val(pgprot));
}
#define pgprot_noncached pgprot_noncached
static inline pgprot_t pgprot_noncached(pgprot_t prot)
@ -339,16 +353,6 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
#define pte_offset_map(d, a) pte_offset_kernel(d,a)
#define pte_unmap(pte) do{}while(0)
/* Certain architectures need to do special things when pte's
* within a page table are directly modified. Thus, the following
* hook is made available.
*/
BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t)
#define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval)
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
struct seq_file;
BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *)

35
arch/sparc/mm/srmmu.c
View File

@ -116,9 +116,6 @@ static inline unsigned long srmmu_pgd_page(pgd_t pgd)
static inline int srmmu_pte_none(pte_t pte)
{ return !(pte_val(pte) & 0xFFFFFFF); }
static inline int srmmu_pte_present(pte_t pte)
{ return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE); }
static inline int srmmu_pmd_none(pmd_t pmd)
{ return !(pmd_val(pmd) & 0xFFFFFFF); }
@ -140,25 +137,12 @@ static inline pte_t srmmu_pte_mkdirty(pte_t pte)
static inline pte_t srmmu_pte_mkyoung(pte_t pte)
{ return __pte(pte_val(pte) | SRMMU_REF);}
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
*/
static pte_t srmmu_mk_pte(struct page *page, pgprot_t pgprot)
{ return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot)); }
static pte_t srmmu_mk_pte_phys(unsigned long page, pgprot_t pgprot)
{ return __pte(((page) >> 4) | pgprot_val(pgprot)); }
static pte_t srmmu_mk_pte_io(unsigned long page, pgprot_t pgprot, int space)
{ return __pte(((page) >> 4) | (space << 28) | pgprot_val(pgprot)); }
/* XXX should we hyper_flush_whole_icache here - Anton */
static inline void srmmu_ctxd_set(ctxd_t *ctxp, pgd_t *pgdp)
{ srmmu_set_pte((pte_t *)ctxp, (SRMMU_ET_PTD | (__nocache_pa((unsigned long) pgdp) >> 4))); }
{ set_pte((pte_t *)ctxp, (SRMMU_ET_PTD | (__nocache_pa((unsigned long) pgdp) >> 4))); }
static inline void srmmu_pgd_set(pgd_t * pgdp, pmd_t * pmdp)
{ srmmu_set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (__nocache_pa((unsigned long) pmdp) >> 4))); }
{ set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (__nocache_pa((unsigned long) pmdp) >> 4))); }
static void srmmu_pmd_set(pmd_t *pmdp, pte_t *ptep)
{
@ -167,7 +151,7 @@ static void srmmu_pmd_set(pmd_t *pmdp, pte_t *ptep)
ptp = __nocache_pa((unsigned long) ptep) >> 4;
for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++) {
srmmu_set_pte((pte_t *)&pmdp->pmdv[i], SRMMU_ET_PTD | ptp);
set_pte((pte_t *)&pmdp->pmdv[i], SRMMU_ET_PTD | ptp);
ptp += (SRMMU_REAL_PTRS_PER_PTE*sizeof(pte_t) >> 4);
}
}
@ -179,7 +163,7 @@ static void srmmu_pmd_populate(pmd_t *pmdp, struct page *ptep)
ptp = page_to_pfn(ptep) << (PAGE_SHIFT-4); /* watch for overflow */
for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++) {
srmmu_set_pte((pte_t *)&pmdp->pmdv[i], SRMMU_ET_PTD | ptp);
set_pte((pte_t *)&pmdp->pmdv[i], SRMMU_ET_PTD | ptp);
ptp += (SRMMU_REAL_PTRS_PER_PTE*sizeof(pte_t) >> 4);
}
}
@ -369,7 +353,7 @@ static void __init srmmu_nocache_init(void)
if (srmmu_cache_pagetables)
pteval |= SRMMU_CACHE;
srmmu_set_pte(__nocache_fix(pte), __pte(pteval));
set_pte(__nocache_fix(pte), __pte(pteval));
vaddr += PAGE_SIZE;
paddr += PAGE_SIZE;
@ -534,7 +518,7 @@ static inline void srmmu_mapioaddr(unsigned long physaddr,
tmp |= (bus_type << 28);
tmp |= SRMMU_PRIV;
__flush_page_to_ram(virt_addr);
srmmu_set_pte(ptep, __pte(tmp));
set_pte(ptep, __pte(tmp));
}
static void srmmu_mapiorange(unsigned int bus, unsigned long xpa,
@ -2070,15 +2054,8 @@ void __init load_mmu(void)
BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2);
#endif
BTFIXUPSET_CALL(set_pte, srmmu_set_pte, BTFIXUPCALL_SWAPO0O1);
BTFIXUPSET_CALL(pgd_page_vaddr, srmmu_pgd_page, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(pte_present, srmmu_pte_present, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mk_pte, srmmu_mk_pte, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mk_pte_phys, srmmu_mk_pte_phys, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(mk_pte_io, srmmu_mk_pte_io, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(pgd_set, srmmu_pgd_set, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(pmd_set, srmmu_pmd_set, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(pmd_populate, srmmu_pmd_populate, BTFIXUPCALL_NORM);