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Commit 4e76ae44 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
  [PARISC] Convert to new irq_chip functions
  [PARISC] fix per-cpu flag problem in the cpu affinity checkers
  [PARISC] fix vmap flush/invalidate
  eliminate special FLUSH flag from page table
  parisc: flush pages through tmpalias space
parents f19ade4d 1c0f6476
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Showing with 375 additions and 427 deletions
arch/parisc/Kconfig
View file @ 4e76ae44
...@@ -15,6 +15,7 @@ config PARISC ...@@ -15,6 +15,7 @@ config PARISC
select HAVE_GENERIC_HARDIRQS select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_PROBE select GENERIC_IRQ_PROBE
select IRQ_PER_CPU select IRQ_PER_CPU
select GENERIC_HARDIRQS_NO_DEPRECATED
help help
The PA-RISC microprocessor is designed by Hewlett-Packard and used The PA-RISC microprocessor is designed by Hewlett-Packard and used
......
arch/parisc/include/asm/cacheflush.h
View file @ 4e76ae44
...@@ -26,8 +26,6 @@ void flush_user_dcache_range_asm(unsigned long, unsigned long); ...@@ -26,8 +26,6 @@ void flush_user_dcache_range_asm(unsigned long, unsigned long);
void flush_kernel_dcache_range_asm(unsigned long, unsigned long); void flush_kernel_dcache_range_asm(unsigned long, unsigned long);
void flush_kernel_dcache_page_asm(void *); void flush_kernel_dcache_page_asm(void *);
void flush_kernel_icache_page(void *); void flush_kernel_icache_page(void *);
void flush_user_dcache_page(unsigned long);
void flush_user_icache_page(unsigned long);
void flush_user_dcache_range(unsigned long, unsigned long); void flush_user_dcache_range(unsigned long, unsigned long);
void flush_user_icache_range(unsigned long, unsigned long); void flush_user_icache_range(unsigned long, unsigned long);
...@@ -37,6 +35,13 @@ void flush_cache_all_local(void); ...@@ -37,6 +35,13 @@ void flush_cache_all_local(void);
void flush_cache_all(void); void flush_cache_all(void);
void flush_cache_mm(struct mm_struct *mm); void flush_cache_mm(struct mm_struct *mm);
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
void flush_kernel_dcache_page_addr(void *addr);
static inline void flush_kernel_dcache_page(struct page *page)
{
flush_kernel_dcache_page_addr(page_address(page));
}
#define flush_kernel_dcache_range(start,size) \ #define flush_kernel_dcache_range(start,size) \
flush_kernel_dcache_range_asm((start), (start)+(size)); flush_kernel_dcache_range_asm((start), (start)+(size));
/* vmap range flushes and invalidates. Architecturally, we don't need /* vmap range flushes and invalidates. Architecturally, we don't need
...@@ -50,6 +55,16 @@ static inline void flush_kernel_vmap_range(void *vaddr, int size) ...@@ -50,6 +55,16 @@ static inline void flush_kernel_vmap_range(void *vaddr, int size)
} }
static inline void invalidate_kernel_vmap_range(void *vaddr, int size) static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
{ {
unsigned long start = (unsigned long)vaddr;
void *cursor = vaddr;
for ( ; cursor < vaddr + size; cursor += PAGE_SIZE) {
struct page *page = vmalloc_to_page(cursor);
if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
flush_kernel_dcache_page(page);
}
flush_kernel_dcache_range_asm(start, start + size);
} }
#define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vmap(start, end) flush_cache_all()
...@@ -90,19 +105,15 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned ...@@ -90,19 +105,15 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned
void flush_cache_range(struct vm_area_struct *vma, void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end); unsigned long start, unsigned long end);
/* defined in pacache.S exported in cache.c used by flush_anon_page */
void flush_dcache_page_asm(unsigned long phys_addr, unsigned long vaddr);
#define ARCH_HAS_FLUSH_ANON_PAGE #define ARCH_HAS_FLUSH_ANON_PAGE
static inline void static inline void
flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr) flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr)
{ {
if (PageAnon(page)) if (PageAnon(page))
flush_user_dcache_page(vmaddr); flush_dcache_page_asm(page_to_phys(page), vmaddr);
}
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
void flush_kernel_dcache_page_addr(void *addr);
static inline void flush_kernel_dcache_page(struct page *page)
{
flush_kernel_dcache_page_addr(page_address(page));
} }
#ifdef CONFIG_DEBUG_RODATA #ifdef CONFIG_DEBUG_RODATA
......
arch/parisc/include/asm/irq.h
View file @ 4e76ae44
...@@ -32,15 +32,10 @@ static __inline__ int irq_canonicalize(int irq) ...@@ -32,15 +32,10 @@ static __inline__ int irq_canonicalize(int irq)
} }
struct irq_chip; struct irq_chip;
struct irq_data;
/* void cpu_ack_irq(struct irq_data *d);
* Some useful "we don't have to do anything here" handlers. Should void cpu_eoi_irq(struct irq_data *d);
* probably be provided by the generic code.
*/
void no_ack_irq(unsigned int irq);
void no_end_irq(unsigned int irq);
void cpu_ack_irq(unsigned int irq);
void cpu_eoi_irq(unsigned int irq);
extern int txn_alloc_irq(unsigned int nbits); extern int txn_alloc_irq(unsigned int nbits);
extern int txn_claim_irq(int); extern int txn_claim_irq(int);
...@@ -49,7 +44,7 @@ extern unsigned long txn_alloc_addr(unsigned int); ...@@ -49,7 +44,7 @@ extern unsigned long txn_alloc_addr(unsigned int);
extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
extern int cpu_check_affinity(unsigned int irq, const struct cpumask *dest); extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest);
/* soft power switch support (power.c) */ /* soft power switch support (power.c) */
extern struct tasklet_struct power_tasklet; extern struct tasklet_struct power_tasklet;
......
arch/parisc/include/asm/pgtable.h
View file @ 4e76ae44
...@@ -138,8 +138,7 @@ struct vm_area_struct; ...@@ -138,8 +138,7 @@ struct vm_area_struct;
#define _PAGE_NO_CACHE_BIT 24 /* (0x080) Uncached Page (U bit) */ #define _PAGE_NO_CACHE_BIT 24 /* (0x080) Uncached Page (U bit) */
#define _PAGE_ACCESSED_BIT 23 /* (0x100) Software: Page Accessed */ #define _PAGE_ACCESSED_BIT 23 /* (0x100) Software: Page Accessed */
#define _PAGE_PRESENT_BIT 22 /* (0x200) Software: translation valid */ #define _PAGE_PRESENT_BIT 22 /* (0x200) Software: translation valid */
#define _PAGE_FLUSH_BIT 21 /* (0x400) Software: translation valid */ /* bit 21 was formerly the FLUSH bit but is now unused */
/* for cache flushing only */
#define _PAGE_USER_BIT 20 /* (0x800) Software: User accessible page */ #define _PAGE_USER_BIT 20 /* (0x800) Software: User accessible page */
/* N.B. The bits are defined in terms of a 32 bit word above, so the */ /* N.B. The bits are defined in terms of a 32 bit word above, so the */
...@@ -173,7 +172,6 @@ struct vm_area_struct; ...@@ -173,7 +172,6 @@ struct vm_area_struct;
#define _PAGE_NO_CACHE (1 << xlate_pabit(_PAGE_NO_CACHE_BIT)) #define _PAGE_NO_CACHE (1 << xlate_pabit(_PAGE_NO_CACHE_BIT))
#define _PAGE_ACCESSED (1 << xlate_pabit(_PAGE_ACCESSED_BIT)) #define _PAGE_ACCESSED (1 << xlate_pabit(_PAGE_ACCESSED_BIT))
#define _PAGE_PRESENT (1 << xlate_pabit(_PAGE_PRESENT_BIT)) #define _PAGE_PRESENT (1 << xlate_pabit(_PAGE_PRESENT_BIT))
#define _PAGE_FLUSH (1 << xlate_pabit(_PAGE_FLUSH_BIT))
#define _PAGE_USER (1 << xlate_pabit(_PAGE_USER_BIT)) #define _PAGE_USER (1 << xlate_pabit(_PAGE_USER_BIT))
#define _PAGE_FILE (1 << xlate_pabit(_PAGE_FILE_BIT)) #define _PAGE_FILE (1 << xlate_pabit(_PAGE_FILE_BIT))
...@@ -213,7 +211,6 @@ struct vm_area_struct; ...@@ -213,7 +211,6 @@ struct vm_area_struct;
#define PAGE_KERNEL_RO __pgprot(_PAGE_KERNEL & ~_PAGE_WRITE) #define PAGE_KERNEL_RO __pgprot(_PAGE_KERNEL & ~_PAGE_WRITE)
#define PAGE_KERNEL_UNC __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE) #define PAGE_KERNEL_UNC __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE)
#define PAGE_GATEWAY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_GATEWAY| _PAGE_READ) #define PAGE_GATEWAY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_GATEWAY| _PAGE_READ)
#define PAGE_FLUSH __pgprot(_PAGE_FLUSH)
/* /*
...@@ -261,7 +258,7 @@ extern unsigned long *empty_zero_page; ...@@ -261,7 +258,7 @@ extern unsigned long *empty_zero_page;
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
#define pte_none(x) ((pte_val(x) == 0) || (pte_val(x) & _PAGE_FLUSH)) #define pte_none(x) (pte_val(x) == 0)
#define pte_present(x) (pte_val(x) & _PAGE_PRESENT) #define pte_present(x) (pte_val(x) & _PAGE_PRESENT)
#define pte_clear(mm,addr,xp) do { pte_val(*(xp)) = 0; } while (0) #define pte_clear(mm,addr,xp) do { pte_val(*(xp)) = 0; } while (0)
...@@ -444,13 +441,10 @@ struct mm_struct; ...@@ -444,13 +441,10 @@ struct mm_struct;
static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{ {
pte_t old_pte; pte_t old_pte;
pte_t pte;
spin_lock(&pa_dbit_lock); spin_lock(&pa_dbit_lock);
pte = old_pte = *ptep; old_pte = *ptep;
pte_val(pte) &= ~_PAGE_PRESENT; pte_clear(mm,addr,ptep);
pte_val(pte) |= _PAGE_FLUSH;
set_pte_at(mm,addr,ptep,pte);
spin_unlock(&pa_dbit_lock); spin_unlock(&pa_dbit_lock);
return old_pte; return old_pte;
......
arch/parisc/kernel/cache.c
View file @ 4e76ae44
...@@ -27,12 +27,17 @@ ...@@ -27,12 +27,17 @@
#include <asm/pgalloc.h> #include <asm/pgalloc.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/sections.h> #include <asm/sections.h>
#include <asm/shmparam.h>
int split_tlb __read_mostly; int split_tlb __read_mostly;
int dcache_stride __read_mostly; int dcache_stride __read_mostly;
int icache_stride __read_mostly; int icache_stride __read_mostly;
EXPORT_SYMBOL(dcache_stride); EXPORT_SYMBOL(dcache_stride);
void flush_dcache_page_asm(unsigned long phys_addr, unsigned long vaddr);
EXPORT_SYMBOL(flush_dcache_page_asm);
void flush_icache_page_asm(unsigned long phys_addr, unsigned long vaddr);
/* On some machines (e.g. ones with the Merced bus), there can be /* On some machines (e.g. ones with the Merced bus), there can be
* only a single PxTLB broadcast at a time; this must be guaranteed * only a single PxTLB broadcast at a time; this must be guaranteed
...@@ -259,81 +264,13 @@ void disable_sr_hashing(void) ...@@ -259,81 +264,13 @@ void disable_sr_hashing(void)
panic("SpaceID hashing is still on!\n"); panic("SpaceID hashing is still on!\n");
} }
/* Simple function to work out if we have an existing address translation
* for a user space vma. */
static inline int translation_exists(struct vm_area_struct *vma,
unsigned long addr, unsigned long pfn)
{
pgd_t *pgd = pgd_offset(vma->vm_mm, addr);
pmd_t *pmd;
pte_t pte;
if(pgd_none(*pgd))
return 0;
pmd = pmd_offset(pgd, addr);
if(pmd_none(*pmd) || pmd_bad(*pmd))
return 0;
/* We cannot take the pte lock here: flush_cache_page is usually
* called with pte lock already held. Whereas flush_dcache_page
* takes flush_dcache_mmap_lock, which is lower in the hierarchy:
* the vma itself is secure, but the pte might come or go racily.
*/
pte = *pte_offset_map(pmd, addr);
/* But pte_unmap() does nothing on this architecture */
/* Filter out coincidental file entries and swap entries */
if (!(pte_val(pte) & (_PAGE_FLUSH|_PAGE_PRESENT)))
return 0;
return pte_pfn(pte) == pfn;
}
/* Private function to flush a page from the cache of a non-current
* process. cr25 contains the Page Directory of the current user
* process; we're going to hijack both it and the user space %sr3 to
* temporarily make the non-current process current. We have to do
* this because cache flushing may cause a non-access tlb miss which
* the handlers have to fill in from the pgd of the non-current
* process. */
static inline void static inline void
flush_user_cache_page_non_current(struct vm_area_struct *vma, __flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr,
unsigned long vmaddr) unsigned long physaddr)
{ {
/* save the current process space and pgd */ flush_dcache_page_asm(physaddr, vmaddr);
unsigned long space = mfsp(3), pgd = mfctl(25); if (vma->vm_flags & VM_EXEC)
flush_icache_page_asm(physaddr, vmaddr);
/* we don't mind taking interrupts since they may not
* do anything with user space, but we can't
* be preempted here */
preempt_disable();
/* make us current */
mtctl(__pa(vma->vm_mm->pgd), 25);
mtsp(vma->vm_mm->context, 3);
flush_user_dcache_page(vmaddr);
if(vma->vm_flags & VM_EXEC)
flush_user_icache_page(vmaddr);
/* put the old current process back */
mtsp(space, 3);
mtctl(pgd, 25);
preempt_enable();
}
static inline void
__flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr)
{
if (likely(vma->vm_mm->context == mfsp(3))) {
flush_user_dcache_page(vmaddr);
if (vma->vm_flags & VM_EXEC)
flush_user_icache_page(vmaddr);
} else {
flush_user_cache_page_non_current(vma, vmaddr);
}
} }
void flush_dcache_page(struct page *page) void flush_dcache_page(struct page *page)
...@@ -342,10 +279,8 @@ void flush_dcache_page(struct page *page) ...@@ -342,10 +279,8 @@ void flush_dcache_page(struct page *page)
struct vm_area_struct *mpnt; struct vm_area_struct *mpnt;
struct prio_tree_iter iter; struct prio_tree_iter iter;
unsigned long offset; unsigned long offset;
unsigned long addr; unsigned long addr, old_addr = 0;
pgoff_t pgoff; pgoff_t pgoff;
unsigned long pfn = page_to_pfn(page);
if (mapping && !mapping_mapped(mapping)) { if (mapping && !mapping_mapped(mapping)) {
set_bit(PG_dcache_dirty, &page->flags); set_bit(PG_dcache_dirty, &page->flags);
...@@ -369,20 +304,11 @@ void flush_dcache_page(struct page *page) ...@@ -369,20 +304,11 @@ void flush_dcache_page(struct page *page)
offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT; offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT;
addr = mpnt->vm_start + offset; addr = mpnt->vm_start + offset;
/* Flush instructions produce non access tlb misses. if (old_addr == 0 || (old_addr & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) {
* On PA, we nullify these instructions rather than __flush_cache_page(mpnt, addr, page_to_phys(page));
* taking a page fault if the pte doesn't exist. if (old_addr)
* This is just for speed. If the page translation printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %s\n", old_addr, addr, mpnt->vm_file ? mpnt->vm_file->f_path.dentry->d_name.name : "(null)");
* isn't there, there's no point exciting the old_addr = addr;
* nadtlb handler into a nullification frenzy.
*
* Make sure we really have this page: the private
* mappings may cover this area but have COW'd this
* particular page.
*/
if (translation_exists(mpnt, addr, pfn)) {
__flush_cache_page(mpnt, addr);
break;
} }
} }
flush_dcache_mmap_unlock(mapping); flush_dcache_mmap_unlock(mapping);
...@@ -573,7 +499,6 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long ...@@ -573,7 +499,6 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long
{ {
BUG_ON(!vma->vm_mm->context); BUG_ON(!vma->vm_mm->context);
if (likely(translation_exists(vma, vmaddr, pfn))) __flush_cache_page(vma, vmaddr, page_to_phys(pfn_to_page(pfn)));
__flush_cache_page(vma, vmaddr);
} }
arch/parisc/kernel/entry.S
View file @ 4e76ae44
...@@ -225,22 +225,13 @@ ...@@ -225,22 +225,13 @@
#ifndef CONFIG_64BIT #ifndef CONFIG_64BIT
/* /*
* naitlb miss interruption handler (parisc 1.1 - 32 bit) * naitlb miss interruption handler (parisc 1.1 - 32 bit)
*
* Note: naitlb misses will be treated
* as an ordinary itlb miss for now.
* However, note that naitlb misses
* have the faulting address in the
* IOR/ISR.
*/ */
.macro naitlb_11 code .macro naitlb_11 code
mfctl %isr,spc mfctl %isr,spc
b itlb_miss_11 b naitlb_miss_11
mfctl %ior,va mfctl %ior,va
/* FIXME: If user causes a naitlb miss, the priv level may not be in
* lower bits of va, where the itlb miss handler is expecting them
*/
.align 32 .align 32
.endm .endm
...@@ -248,26 +239,17 @@ ...@@ -248,26 +239,17 @@
/* /*
* naitlb miss interruption handler (parisc 2.0) * naitlb miss interruption handler (parisc 2.0)
*
* Note: naitlb misses will be treated
* as an ordinary itlb miss for now.
* However, note that naitlb misses
* have the faulting address in the
* IOR/ISR.
*/ */
.macro naitlb_20 code .macro naitlb_20 code
mfctl %isr,spc mfctl %isr,spc
#ifdef CONFIG_64BIT #ifdef CONFIG_64BIT
b itlb_miss_20w b naitlb_miss_20w
#else #else
b itlb_miss_20 b naitlb_miss_20
#endif #endif
mfctl %ior,va mfctl %ior,va
/* FIXME: If user causes a naitlb miss, the priv level may not be in
* lower bits of va, where the itlb miss handler is expecting them
*/
.align 32 .align 32
.endm .endm
...@@ -581,7 +563,24 @@ ...@@ -581,7 +563,24 @@
copy \va,\tmp1 copy \va,\tmp1
depi 0,31,23,\tmp1 depi 0,31,23,\tmp1
cmpb,COND(<>),n \tmp,\tmp1,\fault cmpb,COND(<>),n \tmp,\tmp1,\fault
ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot mfctl %cr19,\tmp /* iir */
/* get the opcode (first six bits) into \tmp */
extrw,u \tmp,5,6,\tmp
/*
* Only setting the T bit prevents data cache movein
* Setting access rights to zero prevents instruction cache movein
*
* Note subtlety here: _PAGE_GATEWAY, _PAGE_EXEC and _PAGE_WRITE go
* to type field and _PAGE_READ goes to top bit of PL1
*/
ldi (_PAGE_REFTRAP|_PAGE_READ|_PAGE_WRITE),\prot
/*
* so if the opcode is one (i.e. this is a memory management
* instruction) nullify the next load so \prot is only T.
* Otherwise this is a normal data operation
*/
cmpiclr,= 0x01,\tmp,%r0
ldi (_PAGE_DIRTY|_PAGE_READ|_PAGE_WRITE),\prot
depd,z \prot,8,7,\prot depd,z \prot,8,7,\prot
/* /*
* OK, it is in the temp alias region, check whether "from" or "to". * OK, it is in the temp alias region, check whether "from" or "to".
...@@ -631,11 +630,7 @@ ENTRY(fault_vector_20) ...@@ -631,11 +630,7 @@ ENTRY(fault_vector_20)
def 13 def 13
def 14 def 14
dtlb_20 15 dtlb_20 15
#if 0
naitlb_20 16 naitlb_20 16
#else
def 16
#endif
nadtlb_20 17 nadtlb_20 17
def 18 def 18
def 19 def 19
...@@ -678,11 +673,7 @@ ENTRY(fault_vector_11) ...@@ -678,11 +673,7 @@ ENTRY(fault_vector_11)
def 13 def 13
def 14 def 14
dtlb_11 15 dtlb_11 15
#if 0
naitlb_11 16 naitlb_11 16
#else
def 16
#endif
nadtlb_11 17 nadtlb_11 17
def 18 def 18
def 19 def 19
...@@ -1203,7 +1194,7 @@ nadtlb_miss_20w: ...@@ -1203,7 +1194,7 @@ nadtlb_miss_20w:
get_pgd spc,ptp get_pgd spc,ptp
space_check spc,t0,nadtlb_fault space_check spc,t0,nadtlb_fault
L3_ptep ptp,pte,t0,va,nadtlb_check_flush_20w L3_ptep ptp,pte,t0,va,nadtlb_check_alias_20w
update_ptep ptp,pte,t0,t1 update_ptep ptp,pte,t0,t1
...@@ -1214,16 +1205,8 @@ nadtlb_miss_20w: ...@@ -1214,16 +1205,8 @@ nadtlb_miss_20w:
rfir rfir
nop nop
nadtlb_check_flush_20w: nadtlb_check_alias_20w:
bb,>=,n pte,_PAGE_FLUSH_BIT,nadtlb_emulate do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate
/* Insert a "flush only" translation */
depdi,z 7,7,3,prot
depdi 1,10,1,prot
/* Drop prot bits from pte and convert to page addr for idtlbt */
convert_for_tlb_insert20 pte
idtlbt pte,prot idtlbt pte,prot
...@@ -1255,25 +1238,7 @@ dtlb_miss_11: ...@@ -1255,25 +1238,7 @@ dtlb_miss_11:
nop nop
dtlb_check_alias_11: dtlb_check_alias_11:
do_alias spc,t0,t1,va,pte,prot,dtlb_fault
/* Check to see if fault is in the temporary alias region */
cmpib,<>,n 0,spc,dtlb_fault /* forward */
ldil L%(TMPALIAS_MAP_START),t0
copy va,t1
depwi 0,31,23,t1
cmpb,<>,n t0,t1,dtlb_fault /* forward */
ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),prot
depw,z prot,8,7,prot
/*
* OK, it is in the temp alias region, check whether "from" or "to".
* Check "subtle" note in pacache.S re: r23/r26.
*/
extrw,u,= va,9,1,r0
or,tr %r23,%r0,pte /* If "from" use "from" page */
or %r26,%r0,pte /* else "to", use "to" page */
idtlba pte,(va) idtlba pte,(va)
idtlbp prot,(va) idtlbp prot,(va)
...@@ -1286,7 +1251,7 @@ nadtlb_miss_11: ...@@ -1286,7 +1251,7 @@ nadtlb_miss_11:
space_check spc,t0,nadtlb_fault space_check spc,t0,nadtlb_fault
L2_ptep ptp,pte,t0,va,nadtlb_check_flush_11 L2_ptep ptp,pte,t0,va,nadtlb_check_alias_11
update_ptep ptp,pte,t0,t1 update_ptep ptp,pte,t0,t1
...@@ -1304,26 +1269,11 @@ nadtlb_miss_11: ...@@ -1304,26 +1269,11 @@ nadtlb_miss_11:
rfir rfir
nop nop
nadtlb_check_flush_11: nadtlb_check_alias_11:
bb,>=,n pte,_PAGE_FLUSH_BIT,nadtlb_emulate do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate
/* Insert a "flush only" translation */
zdepi 7,7,3,prot
depi 1,10,1,prot
/* Get rid of prot bits and convert to page addr for idtlba */ idtlba pte,(va)
idtlbp prot,(va)
depi 0,31,ASM_PFN_PTE_SHIFT,pte
SHRREG pte,(ASM_PFN_PTE_SHIFT-(31-26)),pte
mfsp %sr1,t0 /* Save sr1 so we can use it in tlb inserts */
mtsp spc,%sr1
idtlba pte,(%sr1,va)
idtlbp prot,(%sr1,va)
mtsp t0, %sr1 /* Restore sr1 */
rfir rfir
nop nop
...@@ -1359,7 +1309,7 @@ nadtlb_miss_20: ...@@ -1359,7 +1309,7 @@ nadtlb_miss_20:
space_check spc,t0,nadtlb_fault space_check spc,t0,nadtlb_fault
L2_ptep ptp,pte,t0,va,nadtlb_check_flush_20 L2_ptep ptp,pte,t0,va,nadtlb_check_alias_20
update_ptep ptp,pte,t0,t1 update_ptep ptp,pte,t0,t1
...@@ -1372,21 +1322,14 @@ nadtlb_miss_20: ...@@ -1372,21 +1322,14 @@ nadtlb_miss_20:
rfir rfir
nop nop
nadtlb_check_flush_20: nadtlb_check_alias_20:
bb,>=,n pte,_PAGE_FLUSH_BIT,nadtlb_emulate do_alias spc,t0,t1,va,pte,prot,nadtlb_emulate
/* Insert a "flush only" translation */
depdi,z 7,7,3,prot
depdi 1,10,1,prot
/* Drop prot bits from pte and convert to page addr for idtlbt */
convert_for_tlb_insert20 pte
idtlbt pte,prot idtlbt pte,prot
rfir rfir
nop nop
#endif #endif
nadtlb_emulate: nadtlb_emulate:
...@@ -1484,6 +1427,36 @@ itlb_miss_20w: ...@@ -1484,6 +1427,36 @@ itlb_miss_20w:
rfir rfir
nop nop
naitlb_miss_20w:
/*
* I miss is a little different, since we allow users to fault
* on the gateway page which is in the kernel address space.
*/
space_adjust spc,va,t0
get_pgd spc,ptp
space_check spc,t0,naitlb_fault
L3_ptep ptp,pte,t0,va,naitlb_check_alias_20w
update_ptep ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
iitlbt pte,prot
rfir
nop
naitlb_check_alias_20w:
do_alias spc,t0,t1,va,pte,prot,naitlb_fault
iitlbt pte,prot
rfir
nop
#else #else
itlb_miss_11: itlb_miss_11:
...@@ -1508,6 +1481,38 @@ itlb_miss_11: ...@@ -1508,6 +1481,38 @@ itlb_miss_11:
rfir rfir
nop nop
naitlb_miss_11:
get_pgd spc,ptp
space_check spc,t0,naitlb_fault
L2_ptep ptp,pte,t0,va,naitlb_check_alias_11
update_ptep ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
mfsp %sr1,t0 /* Save sr1 so we can use it in tlb inserts */
mtsp spc,%sr1
iitlba pte,(%sr1,va)
iitlbp prot,(%sr1,va)
mtsp t0, %sr1 /* Restore sr1 */
rfir
nop
naitlb_check_alias_11:
do_alias spc,t0,t1,va,pte,prot,itlb_fault
iitlba pte,(%sr0, va)
iitlbp prot,(%sr0, va)
rfir
nop
itlb_miss_20: itlb_miss_20:
get_pgd spc,ptp get_pgd spc,ptp
...@@ -1526,6 +1531,32 @@ itlb_miss_20: ...@@ -1526,6 +1531,32 @@ itlb_miss_20:
rfir rfir
nop nop
naitlb_miss_20:
get_pgd spc,ptp
space_check spc,t0,naitlb_fault
L2_ptep ptp,pte,t0,va,naitlb_check_alias_20
update_ptep ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
f_extend pte,t0
iitlbt pte,prot
rfir
nop
naitlb_check_alias_20:
do_alias spc,t0,t1,va,pte,prot,naitlb_fault
iitlbt pte,prot
rfir
nop
#endif #endif
#ifdef CONFIG_64BIT #ifdef CONFIG_64BIT
...@@ -1662,6 +1693,10 @@ nadtlb_fault: ...@@ -1662,6 +1693,10 @@ nadtlb_fault:
b intr_save b intr_save
ldi 17,%r8 ldi 17,%r8
naitlb_fault:
b intr_save
ldi 16,%r8
dtlb_fault: dtlb_fault:
b intr_save b intr_save
ldi 15,%r8 ldi 15,%r8
......
arch/parisc/kernel/irq.c
View file @ 4e76ae44
...@@ -52,9 +52,9 @@ static volatile unsigned long cpu_eiem = 0; ...@@ -52,9 +52,9 @@ static volatile unsigned long cpu_eiem = 0;
*/ */
static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL; static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL;
static void cpu_mask_irq(unsigned int irq) static void cpu_mask_irq(struct irq_data *d)
{ {
unsigned long eirr_bit = EIEM_MASK(irq); unsigned long eirr_bit = EIEM_MASK(d->irq);
cpu_eiem &= ~eirr_bit; cpu_eiem &= ~eirr_bit;
/* Do nothing on the other CPUs. If they get this interrupt, /* Do nothing on the other CPUs. If they get this interrupt,
...@@ -63,7 +63,7 @@ static void cpu_mask_irq(unsigned int irq) ...@@ -63,7 +63,7 @@ static void cpu_mask_irq(unsigned int irq)
* then gets disabled */ * then gets disabled */
} }
static void cpu_unmask_irq(unsigned int irq) static void __cpu_unmask_irq(unsigned int irq)
{ {
unsigned long eirr_bit = EIEM_MASK(irq); unsigned long eirr_bit = EIEM_MASK(irq);
...@@ -75,9 +75,14 @@ static void cpu_unmask_irq(unsigned int irq) ...@@ -75,9 +75,14 @@ static void cpu_unmask_irq(unsigned int irq)
smp_send_all_nop(); smp_send_all_nop();
} }
void cpu_ack_irq(unsigned int irq) static void cpu_unmask_irq(struct irq_data *d)
{
__cpu_unmask_irq(d->irq);
}
void cpu_ack_irq(struct irq_data *d)
{ {
unsigned long mask = EIEM_MASK(irq); unsigned long mask = EIEM_MASK(d->irq);
int cpu = smp_processor_id(); int cpu = smp_processor_id();
/* Clear in EIEM so we can no longer process */ /* Clear in EIEM so we can no longer process */
...@@ -90,9 +95,9 @@ void cpu_ack_irq(unsigned int irq) ...@@ -90,9 +95,9 @@ void cpu_ack_irq(unsigned int irq)
mtctl(mask, 23); mtctl(mask, 23);
} }
void cpu_eoi_irq(unsigned int irq) void cpu_eoi_irq(struct irq_data *d)
{ {
unsigned long mask = EIEM_MASK(irq); unsigned long mask = EIEM_MASK(d->irq);
int cpu = smp_processor_id(); int cpu = smp_processor_id();
/* set it in the eiems---it's no longer in process */ /* set it in the eiems---it's no longer in process */
...@@ -103,15 +108,16 @@ void cpu_eoi_irq(unsigned int irq) ...@@ -103,15 +108,16 @@ void cpu_eoi_irq(unsigned int irq)
} }
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest)
{ {
int cpu_dest; int cpu_dest;
/* timer and ipi have to always be received on all CPUs */ /* timer and ipi have to always be received on all CPUs */
if (CHECK_IRQ_PER_CPU(irq)) { if (CHECK_IRQ_PER_CPU(irq_to_desc(d->irq)->status)) {
/* Bad linux design decision. The mask has already /* Bad linux design decision. The mask has already
* been set; we must reset it */ * been set; we must reset it. Will fix - tglx
cpumask_setall(irq_desc[irq].affinity); */
cpumask_setall(d->affinity);
return -EINVAL; return -EINVAL;
} }
...@@ -121,33 +127,34 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) ...@@ -121,33 +127,34 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
return cpu_dest; return cpu_dest;
} }
static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest) static int cpu_set_affinity_irq(struct irq_data *d, const struct cpumask *dest,
bool force)
{ {
int cpu_dest; int cpu_dest;
cpu_dest = cpu_check_affinity(irq, dest); cpu_dest = cpu_check_affinity(d, dest);
if (cpu_dest < 0) if (cpu_dest < 0)
return -1; return -1;
cpumask_copy(irq_desc[irq].affinity, dest); cpumask_copy(d->affinity, dest);
return 0; return 0;
} }
#endif #endif
static struct irq_chip cpu_interrupt_type = { static struct irq_chip cpu_interrupt_type = {
.name = "CPU", .name = "CPU",
.mask = cpu_mask_irq, .irq_mask = cpu_mask_irq,
.unmask = cpu_unmask_irq, .irq_unmask = cpu_unmask_irq,
.ack = cpu_ack_irq, .irq_ack = cpu_ack_irq,
.eoi = cpu_eoi_irq, .irq_eoi = cpu_eoi_irq,
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
.set_affinity = cpu_set_affinity_irq, .irq_set_affinity = cpu_set_affinity_irq,
#endif #endif
/* XXX: Needs to be written. We managed without it so far, but /* XXX: Needs to be written. We managed without it so far, but
* we really ought to write it. * we really ought to write it.
*/ */
.retrigger = NULL, .irq_retrigger = NULL,
}; };
int show_interrupts(struct seq_file *p, void *v) int show_interrupts(struct seq_file *p, void *v)
...@@ -181,7 +188,7 @@ int show_interrupts(struct seq_file *p, void *v) ...@@ -181,7 +188,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%10u ", kstat_irqs(i)); seq_printf(p, "%10u ", kstat_irqs(i));
#endif #endif
seq_printf(p, " %14s", irq_desc[i].chip->name); seq_printf(p, " %14s", irq_desc[i].irq_data.chip->name);
#ifndef PARISC_IRQ_CR16_COUNTS #ifndef PARISC_IRQ_CR16_COUNTS
seq_printf(p, " %s", action->name); seq_printf(p, " %s", action->name);
...@@ -233,14 +240,14 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data) ...@@ -233,14 +240,14 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data)
{ {
if (irq_desc[irq].action) if (irq_desc[irq].action)
return -EBUSY; return -EBUSY;
if (irq_desc[irq].chip != &cpu_interrupt_type) if (get_irq_chip(irq) != &cpu_interrupt_type)
return -EBUSY; return -EBUSY;
/* for iosapic interrupts */ /* for iosapic interrupts */
if (type) { if (type) {
set_irq_chip_and_handler(irq, type, handle_percpu_irq); set_irq_chip_and_handler(irq, type, handle_percpu_irq);
set_irq_chip_data(irq, data); set_irq_chip_data(irq, data);
cpu_unmask_irq(irq); __cpu_unmask_irq(irq);
} }
return 0; return 0;
} }
...@@ -289,7 +296,8 @@ int txn_alloc_irq(unsigned int bits_wide) ...@@ -289,7 +296,8 @@ int txn_alloc_irq(unsigned int bits_wide)
unsigned long txn_affinity_addr(unsigned int irq, int cpu) unsigned long txn_affinity_addr(unsigned int irq, int cpu)
{ {
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); struct irq_data *d = irq_get_irq_data(irq);
cpumask_copy(d->affinity, cpumask_of(cpu));
#endif #endif
return per_cpu(cpu_data, cpu).txn_addr; return per_cpu(cpu_data, cpu).txn_addr;
...@@ -333,6 +341,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) ...@@ -333,6 +341,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
unsigned long eirr_val; unsigned long eirr_val;
int irq, cpu = smp_processor_id(); int irq, cpu = smp_processor_id();
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
struct irq_desc *desc;
cpumask_t dest; cpumask_t dest;
#endif #endif
...@@ -346,8 +355,9 @@ void do_cpu_irq_mask(struct pt_regs *regs) ...@@ -346,8 +355,9 @@ void do_cpu_irq_mask(struct pt_regs *regs)
irq = eirr_to_irq(eirr_val); irq = eirr_to_irq(eirr_val);
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
cpumask_copy(&dest, irq_desc[irq].affinity); desc = irq_to_desc(irq);
if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) && cpumask_copy(&dest, desc->irq_data.affinity);
if (CHECK_IRQ_PER_CPU(desc->status) &&
!cpu_isset(smp_processor_id(), dest)) { !cpu_isset(smp_processor_id(), dest)) {
int cpu = first_cpu(dest); int cpu = first_cpu(dest);
......
arch/parisc/kernel/pacache.S
View file @ 4e76ae44
...@@ -608,93 +608,131 @@ ENTRY(__clear_user_page_asm) ...@@ -608,93 +608,131 @@ ENTRY(__clear_user_page_asm)
.procend .procend
ENDPROC(__clear_user_page_asm) ENDPROC(__clear_user_page_asm)
ENTRY(flush_kernel_dcache_page_asm) ENTRY(flush_dcache_page_asm)
.proc .proc
.callinfo NO_CALLS .callinfo NO_CALLS
.entry .entry
ldil L%(TMPALIAS_MAP_START), %r28
#ifdef CONFIG_64BIT
#if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
/* FIXME: page size dependend */
#endif
extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
depdi 0, 63,12, %r28 /* Clear any offset bits */
#else
extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */
depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */
depwi 0, 31,12, %r28 /* Clear any offset bits */
#endif
/* Purge any old translation */
pdtlb 0(%r28)
ldil L%dcache_stride, %r1 ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23 ldw R%dcache_stride(%r1), %r1
#ifdef CONFIG_64BIT #ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r25 depdi,z 1, 63-PAGE_SHIFT,1, %r25
#else #else
depwi,z 1, 31-PAGE_SHIFT,1, %r25 depwi,z 1, 31-PAGE_SHIFT,1, %r25
#endif #endif
add %r26, %r25, %r25 add %r28, %r25, %r25
sub %r25, %r23, %r25 sub %r25, %r1, %r25
1: fdc,m %r23(%r26) 1: fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
fdc,m %r23(%r26) fdc,m %r1(%r28)
cmpb,COND(<<) %r26, %r25,1b cmpb,COND(<<) %r28, %r25,1b
fdc,m %r23(%r26) fdc,m %r1(%r28)
sync sync
bv %r0(%r2) bv %r0(%r2)
nop pdtlb (%r25)
.exit .exit
.procend .procend
ENDPROC(flush_kernel_dcache_page_asm) ENDPROC(flush_dcache_page_asm)
ENTRY(flush_user_dcache_page) ENTRY(flush_icache_page_asm)
.proc .proc
.callinfo NO_CALLS .callinfo NO_CALLS
.entry .entry
ldil L%dcache_stride, %r1 ldil L%(TMPALIAS_MAP_START), %r28
ldw R%dcache_stride(%r1), %r23
#ifdef CONFIG_64BIT #ifdef CONFIG_64BIT
depdi,z 1,63-PAGE_SHIFT,1, %r25 #if (TMPALIAS_MAP_START >= 0x80000000)
depdi 0, 31,32, %r28 /* clear any sign extension */
/* FIXME: page size dependend */
#endif
extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
depdi 0, 63,12, %r28 /* Clear any offset bits */
#else #else
depwi,z 1,31-PAGE_SHIFT,1, %r25 extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */
depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */
depwi 0, 31,12, %r28 /* Clear any offset bits */
#endif #endif
add %r26, %r25, %r25
sub %r25, %r23, %r25
/* Purge any old translation */
1: fdc,m %r23(%sr3, %r26) pitlb (%sr0,%r28)
fdc,m %r23(%sr3, %r26)
fdc,m %r23(%sr3, %r26) ldil L%icache_stride, %r1
fdc,m %r23(%sr3, %r26) ldw R%icache_stride(%r1), %r1
fdc,m %r23(%sr3, %r26)
fdc,m %r23(%sr3, %r26) #ifdef CONFIG_64BIT
fdc,m %r23(%sr3, %r26) depdi,z 1, 63-PAGE_SHIFT,1, %r25
fdc,m %r23(%sr3, %r26) #else
fdc,m %r23(%sr3, %r26) depwi,z 1, 31-PAGE_SHIFT,1, %r25
fdc,m %r23(%sr3, %r26) #endif
fdc,m %r23(%sr3, %r26) add %r28, %r25, %r25
fdc,m %r23(%sr3, %r26) sub %r25, %r1, %r25
fdc,m %r23(%sr3, %r26)
fdc,m %r23(%sr3, %r26)
fdc,m %r23(%sr3, %r26) 1: fic,m %r1(%r28)
cmpb,COND(<<) %r26, %r25,1b fic,m %r1(%r28)
fdc,m %r23(%sr3, %r26) fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
fic,m %r1(%r28)
cmpb,COND(<<) %r28, %r25,1b
fic,m %r1(%r28)
sync sync
bv %r0(%r2) bv %r0(%r2)
nop pitlb (%sr0,%r25)
.exit .exit
.procend .procend
ENDPROC(flush_user_dcache_page) ENDPROC(flush_icache_page_asm)
ENTRY(flush_user_icache_page) ENTRY(flush_kernel_dcache_page_asm)
.proc .proc
.callinfo NO_CALLS .callinfo NO_CALLS
.entry .entry
...@@ -711,23 +749,23 @@ ENTRY(flush_user_icache_page) ...@@ -711,23 +749,23 @@ ENTRY(flush_user_icache_page)
sub %r25, %r23, %r25 sub %r25, %r23, %r25
1: fic,m %r23(%sr3, %r26) 1: fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
cmpb,COND(<<) %r26, %r25,1b cmpb,COND(<<) %r26, %r25,1b
fic,m %r23(%sr3, %r26) fdc,m %r23(%r26)
sync sync
bv %r0(%r2) bv %r0(%r2)
...@@ -735,8 +773,7 @@ ENTRY(flush_user_icache_page) ...@@ -735,8 +773,7 @@ ENTRY(flush_user_icache_page)
.exit .exit
.procend .procend
ENDPROC(flush_user_icache_page) ENDPROC(flush_kernel_dcache_page_asm)
ENTRY(purge_kernel_dcache_page) ENTRY(purge_kernel_dcache_page)
.proc .proc
...@@ -780,69 +817,6 @@ ENTRY(purge_kernel_dcache_page) ...@@ -780,69 +817,6 @@ ENTRY(purge_kernel_dcache_page)
.procend .procend
ENDPROC(purge_kernel_dcache_page) ENDPROC(purge_kernel_dcache_page)
#if 0
/* Currently not used, but it still is a possible alternate
* solution.
*/
ENTRY(flush_alias_page)
.proc
.callinfo NO_CALLS
.entry
tophys_r1 %r26
ldil L%(TMPALIAS_MAP_START), %r28
#ifdef CONFIG_64BIT
extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */
depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */
depdi 0, 63,12, %r28 /* Clear any offset bits */
#else
extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */
depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */
depwi 0, 31,12, %r28 /* Clear any offset bits */
#endif
/* Purge any old translation */
pdtlb 0(%r28)
ldil L%dcache_stride, %r1
ldw R%dcache_stride(%r1), %r23
#ifdef CONFIG_64BIT
depdi,z 1, 63-PAGE_SHIFT,1, %r29
#else
depwi,z 1, 31-PAGE_SHIFT,1, %r29
#endif
add %r28, %r29, %r29
sub %r29, %r23, %r29
1: fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
fdc,m %r23(%r28)
cmpb,COND(<<) %r28, %r29, 1b
fdc,m %r23(%r28)
sync
bv %r0(%r2)
nop
.exit
.procend
#endif
.export flush_user_dcache_range_asm .export flush_user_dcache_range_asm
...@@ -865,7 +839,6 @@ flush_user_dcache_range_asm: ...@@ -865,7 +839,6 @@ flush_user_dcache_range_asm:
.exit .exit
.procend .procend
ENDPROC(flush_alias_page)
ENTRY(flush_kernel_dcache_range_asm) ENTRY(flush_kernel_dcache_range_asm)
.proc .proc
......
drivers/parisc/dino.c
View file @ 4e76ae44
...@@ -296,25 +296,25 @@ static struct pci_port_ops dino_port_ops = { ...@@ -296,25 +296,25 @@ static struct pci_port_ops dino_port_ops = {
.outl = dino_out32 .outl = dino_out32
}; };
static void dino_mask_irq(unsigned int irq) static void dino_mask_irq(struct irq_data *d)
{ {
struct dino_device *dino_dev = get_irq_chip_data(irq); struct dino_device *dino_dev = irq_data_get_irq_chip_data(d);
int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); int local_irq = gsc_find_local_irq(d->irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, d->irq);
/* Clear the matching bit in the IMR register */ /* Clear the matching bit in the IMR register */
dino_dev->imr &= ~(DINO_MASK_IRQ(local_irq)); dino_dev->imr &= ~(DINO_MASK_IRQ(local_irq));
__raw_writel(dino_dev->imr, dino_dev->hba.base_addr+DINO_IMR); __raw_writel(dino_dev->imr, dino_dev->hba.base_addr+DINO_IMR);
} }
static void dino_unmask_irq(unsigned int irq) static void dino_unmask_irq(struct irq_data *d)
{ {
struct dino_device *dino_dev = get_irq_chip_data(irq); struct dino_device *dino_dev = irq_data_get_irq_chip_data(d);
int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); int local_irq = gsc_find_local_irq(d->irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
u32 tmp; u32 tmp;
DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, d->irq);
/* /*
** clear pending IRQ bits ** clear pending IRQ bits
...@@ -346,9 +346,9 @@ static void dino_unmask_irq(unsigned int irq) ...@@ -346,9 +346,9 @@ static void dino_unmask_irq(unsigned int irq)
} }
static struct irq_chip dino_interrupt_type = { static struct irq_chip dino_interrupt_type = {
.name = "GSC-PCI", .name = "GSC-PCI",
.unmask = dino_unmask_irq, .irq_unmask = dino_unmask_irq,
.mask = dino_mask_irq, .irq_mask = dino_mask_irq,
}; };
......
drivers/parisc/eisa.c
View file @ 4e76ae44
...@@ -144,8 +144,9 @@ static unsigned int eisa_irq_level __read_mostly; /* default to edge triggered * ...@@ -144,8 +144,9 @@ static unsigned int eisa_irq_level __read_mostly; /* default to edge triggered *
/* called by free irq */ /* called by free irq */
static void eisa_mask_irq(unsigned int irq) static void eisa_mask_irq(struct irq_data *d)
{ {
unsigned int irq = d->irq;
unsigned long flags; unsigned long flags;
EISA_DBG("disable irq %d\n", irq); EISA_DBG("disable irq %d\n", irq);
...@@ -164,8 +165,9 @@ static void eisa_mask_irq(unsigned int irq) ...@@ -164,8 +165,9 @@ static void eisa_mask_irq(unsigned int irq)
} }
/* called by request irq */ /* called by request irq */
static void eisa_unmask_irq(unsigned int irq) static void eisa_unmask_irq(struct irq_data *d)
{ {
unsigned int irq = d->irq;
unsigned long flags; unsigned long flags;
EISA_DBG("enable irq %d\n", irq); EISA_DBG("enable irq %d\n", irq);
...@@ -183,9 +185,9 @@ static void eisa_unmask_irq(unsigned int irq) ...@@ -183,9 +185,9 @@ static void eisa_unmask_irq(unsigned int irq)
} }
static struct irq_chip eisa_interrupt_type = { static struct irq_chip eisa_interrupt_type = {
.name = "EISA", .name = "EISA",
.unmask = eisa_unmask_irq, .irq_unmask = eisa_unmask_irq,
.mask = eisa_mask_irq, .irq_mask = eisa_mask_irq,
}; };
static irqreturn_t eisa_irq(int wax_irq, void *intr_dev) static irqreturn_t eisa_irq(int wax_irq, void *intr_dev)
......
drivers/parisc/gsc.c
View file @ 4e76ae44
...@@ -105,13 +105,13 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit) ...@@ -105,13 +105,13 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit)
return NO_IRQ; return NO_IRQ;
} }
static void gsc_asic_mask_irq(unsigned int irq) static void gsc_asic_mask_irq(struct irq_data *d)
{ {
struct gsc_asic *irq_dev = get_irq_chip_data(irq); struct gsc_asic *irq_dev = irq_data_get_irq_chip_data(d);
int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); int local_irq = gsc_find_local_irq(d->irq, irq_dev->global_irq, 32);
u32 imr; u32 imr;
DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, d->irq,
irq_dev->name, imr); irq_dev->name, imr);
/* Disable the IRQ line by clearing the bit in the IMR */ /* Disable the IRQ line by clearing the bit in the IMR */
...@@ -120,13 +120,13 @@ static void gsc_asic_mask_irq(unsigned int irq) ...@@ -120,13 +120,13 @@ static void gsc_asic_mask_irq(unsigned int irq)
gsc_writel(imr, irq_dev->hpa + OFFSET_IMR); gsc_writel(imr, irq_dev->hpa + OFFSET_IMR);
} }
static void gsc_asic_unmask_irq(unsigned int irq) static void gsc_asic_unmask_irq(struct irq_data *d)
{ {
struct gsc_asic *irq_dev = get_irq_chip_data(irq); struct gsc_asic *irq_dev = irq_data_get_irq_chip_data(d);
int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); int local_irq = gsc_find_local_irq(d->irq, irq_dev->global_irq, 32);
u32 imr; u32 imr;
DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, d->irq,
irq_dev->name, imr); irq_dev->name, imr);
/* Enable the IRQ line by setting the bit in the IMR */ /* Enable the IRQ line by setting the bit in the IMR */
...@@ -140,9 +140,9 @@ static void gsc_asic_unmask_irq(unsigned int irq) ...@@ -140,9 +140,9 @@ static void gsc_asic_unmask_irq(unsigned int irq)
} }
static struct irq_chip gsc_asic_interrupt_type = { static struct irq_chip gsc_asic_interrupt_type = {
.name = "GSC-ASIC", .name = "GSC-ASIC",
.unmask = gsc_asic_unmask_irq, .irq_unmask = gsc_asic_unmask_irq,
.mask = gsc_asic_mask_irq, .irq_mask = gsc_asic_mask_irq,
}; };
int gsc_assign_irq(struct irq_chip *type, void *data) int gsc_assign_irq(struct irq_chip *type, void *data)
......
drivers/parisc/iosapic.c
View file @ 4e76ae44
...@@ -615,10 +615,10 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1) ...@@ -615,10 +615,10 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1)
} }
static void iosapic_mask_irq(unsigned int irq) static void iosapic_mask_irq(struct irq_data *d)
{ {
unsigned long flags; unsigned long flags;
struct vector_info *vi = get_irq_chip_data(irq); struct vector_info *vi = irq_data_get_irq_chip_data(d);
u32 d0, d1; u32 d0, d1;
spin_lock_irqsave(&iosapic_lock, flags); spin_lock_irqsave(&iosapic_lock, flags);
...@@ -628,9 +628,9 @@ static void iosapic_mask_irq(unsigned int irq) ...@@ -628,9 +628,9 @@ static void iosapic_mask_irq(unsigned int irq)
spin_unlock_irqrestore(&iosapic_lock, flags); spin_unlock_irqrestore(&iosapic_lock, flags);
} }
static void iosapic_unmask_irq(unsigned int irq) static void iosapic_unmask_irq(struct irq_data *d)
{ {
struct vector_info *vi = get_irq_chip_data(irq); struct vector_info *vi = irq_data_get_irq_chip_data(d);
u32 d0, d1; u32 d0, d1;
/* data is initialized by fixup_irq */ /* data is initialized by fixup_irq */
...@@ -666,34 +666,34 @@ printk("\n"); ...@@ -666,34 +666,34 @@ printk("\n");
* enables their IRQ. It can lead to "interesting" race conditions * enables their IRQ. It can lead to "interesting" race conditions
* in the driver initialization sequence. * in the driver initialization sequence.
*/ */
DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", irq, DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", d->irq,
vi->eoi_addr, vi->eoi_data); vi->eoi_addr, vi->eoi_data);
iosapic_eoi(vi->eoi_addr, vi->eoi_data); iosapic_eoi(vi->eoi_addr, vi->eoi_data);
} }
static void iosapic_eoi_irq(unsigned int irq) static void iosapic_eoi_irq(struct irq_data *d)
{ {
struct vector_info *vi = get_irq_chip_data(irq); struct vector_info *vi = irq_data_get_irq_chip_data(d);
iosapic_eoi(vi->eoi_addr, vi->eoi_data); iosapic_eoi(vi->eoi_addr, vi->eoi_data);
cpu_eoi_irq(irq); cpu_eoi_irq(d);
} }
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
static int iosapic_set_affinity_irq(unsigned int irq, static int iosapic_set_affinity_irq(struct irq_data *d,
const struct cpumask *dest) const struct cpumask *dest, bool force)
{ {
struct vector_info *vi = get_irq_chip_data(irq); struct vector_info *vi = irq_data_get_irq_chip_data(d);
u32 d0, d1, dummy_d0; u32 d0, d1, dummy_d0;
unsigned long flags; unsigned long flags;
int dest_cpu; int dest_cpu;
dest_cpu = cpu_check_affinity(irq, dest); dest_cpu = cpu_check_affinity(d, dest);
if (dest_cpu < 0) if (dest_cpu < 0)
return -1; return -1;
cpumask_copy(irq_desc[irq].affinity, cpumask_of(dest_cpu)); cpumask_copy(d->affinity, cpumask_of(dest_cpu));
vi->txn_addr = txn_affinity_addr(irq, dest_cpu); vi->txn_addr = txn_affinity_addr(d->irq, dest_cpu);
spin_lock_irqsave(&iosapic_lock, flags); spin_lock_irqsave(&iosapic_lock, flags);
/* d1 contains the destination CPU, so only want to set that /* d1 contains the destination CPU, so only want to set that
...@@ -708,13 +708,13 @@ static int iosapic_set_affinity_irq(unsigned int irq, ...@@ -708,13 +708,13 @@ static int iosapic_set_affinity_irq(unsigned int irq,
#endif #endif
static struct irq_chip iosapic_interrupt_type = { static struct irq_chip iosapic_interrupt_type = {
.name = "IO-SAPIC-level", .name = "IO-SAPIC-level",
.unmask = iosapic_unmask_irq, .irq_unmask = iosapic_unmask_irq,
.mask = iosapic_mask_irq, .irq_mask = iosapic_mask_irq,
.ack = cpu_ack_irq, .irq_ack = cpu_ack_irq,
.eoi = iosapic_eoi_irq, .irq_eoi = iosapic_eoi_irq,
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
.set_affinity = iosapic_set_affinity_irq, .irq_set_affinity = iosapic_set_affinity_irq,
#endif #endif
}; };
......
drivers/parisc/superio.c
View file @ 4e76ae44
...@@ -286,8 +286,9 @@ superio_init(struct pci_dev *pcidev) ...@@ -286,8 +286,9 @@ superio_init(struct pci_dev *pcidev)
} }
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init);
static void superio_mask_irq(unsigned int irq) static void superio_mask_irq(struct irq_data *d)
{ {
unsigned int irq = d->irq;
u8 r8; u8 r8;
if ((irq < 1) || (irq == 2) || (irq > 7)) { if ((irq < 1) || (irq == 2) || (irq > 7)) {
...@@ -303,8 +304,9 @@ static void superio_mask_irq(unsigned int irq) ...@@ -303,8 +304,9 @@ static void superio_mask_irq(unsigned int irq)
outb (r8,IC_PIC1+1); outb (r8,IC_PIC1+1);
} }
static void superio_unmask_irq(unsigned int irq) static void superio_unmask_irq(struct irq_data *d)
{ {
unsigned int irq = d->irq;
u8 r8; u8 r8;
if ((irq < 1) || (irq == 2) || (irq > 7)) { if ((irq < 1) || (irq == 2) || (irq > 7)) {
...@@ -320,9 +322,9 @@ static void superio_unmask_irq(unsigned int irq) ...@@ -320,9 +322,9 @@ static void superio_unmask_irq(unsigned int irq)
} }
static struct irq_chip superio_interrupt_type = { static struct irq_chip superio_interrupt_type = {
.name = SUPERIO, .name = SUPERIO,
.unmask = superio_unmask_irq, .irq_unmask = superio_unmask_irq,
.mask = superio_mask_irq, .irq_mask = superio_mask_irq,
}; };
#ifdef DEBUG_SUPERIO_INIT #ifdef DEBUG_SUPERIO_INIT
......
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