d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

o) Consistently use MIPS_KSEGn_TO_PHYS instead of MIPS_{,UN}CACHED_TO_PHYS etc.

Browse Source 
Get rid of the macros that spell KSEG0 CACHED and KSEG1 UNCACHED.
o) Get rid of some nearby duplicated and unused macros.

Reviewed by:	imp
This commit is contained in:
Juli Mallett 2010-03-06 05:45:49 +00:00
parent 2aa983e5ad
commit 7d018a5c91
4 changed files with 26 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/mips/include/cpu.h
View File

@ -50,22 +50,8 @@
#include <machine/psl.h>
#include <machine/endian.h>
#define MIPS_CACHED_MEMORY_ADDR 0x80000000
#define MIPS_UNCACHED_MEMORY_ADDR 0xa0000000
#define MIPS_MAX_MEM_ADDR 0xbe000000
#define MIPS_RESERVED_ADDR 0xbfc80000
#define MIPS_KSEG0_LARGEST_PHYS 0x20000000
#define MIPS_CACHED_TO_PHYS(x) ((uintptr_t)(x) & 0x1fffffff)
#define MIPS_PHYS_TO_CACHED(x) ((uintptr_t)(x) | MIPS_CACHED_MEMORY_ADDR)
#define MIPS_UNCACHED_TO_PHYS(x) ((uintptr_t)(x) & 0x1fffffff)
#define MIPS_PHYS_TO_UNCACHED(x) ((uintptr_t)(x) | MIPS_UNCACHED_MEMORY_ADDR)
#define MIPS_PHYS_MASK (0x1fffffff)
#define MIPS_PA_2_K1VA(x) (MIPS_KSEG1_START | ((x) & MIPS_PHYS_MASK))
#define MIPS_VA_TO_CINDEX(x) ((uintptr_t)(x) & 0xffffff | MIPS_CACHED_MEMORY_ADDR)
#define MIPS_CACHED_TO_UNCACHED(x) (MIPS_PHYS_TO_UNCACHED(MIPS_CACHED_TO_PHYS(x)))
#define MIPS_PHYS_TO_KSEG0(x) ((uintptr_t)(x) | MIPS_KSEG0_START)
#define MIPS_PHYS_TO_KSEG1(x) ((uintptr_t)(x) | MIPS_KSEG1_START)

6
sys/mips/include/cpuregs.h
View File

@ -89,12 +89,6 @@
#define MIPS_KSEG2_END MIPS_KSSEG_END
#define MIPS_KSEG3_START 0xe0000000
#define MIPS_KSEG3_END 0xffffffff
#define MIPS_MAX_MEM_ADDR 0xbe000000
#define MIPS_RESERVED_ADDR 0xbfc80000
/* Map virtual address to index in mips3 r4k virtually-indexed cache */
#define MIPS3_VA_TO_CINDEX(x) \
((unsigned)(x) & 0xffffff | MIPS_KSEG0_START)
#define MIPS_PHYS_TO_XKPHYS(cca,x) \
((0x2ULL << 62) | ((unsigned long long)(cca) << 59) | (x))

2
sys/mips/mips/exception.S
View File

@ -1253,7 +1253,7 @@ VECTOR(MipsCache, unknown)
PTR_LA k0, _C_LABEL(MipsCacheException)
li k1, MIPS_PHYS_MASK
and k0, k1
li k1, MIPS_UNCACHED_MEMORY_ADDR
li k1, MIPS_KSEG1_START
or k0, k1
j k0
nop

50
sys/mips/mips/pmap.c
View File

@ -205,7 +205,7 @@ struct local_sysmaps {
/* This structure is for large memory
* above 512Meg. We can't (in 32 bit mode)
* just use the direct mapped MIPS_CACHED_TO_PHYS()
* just use the direct mapped MIPS_KSEG0_TO_PHYS()
* macros since we can't see the memory and must
* map it in when we need to access it. In 64
* bit mode this goes away.
@ -271,7 +271,7 @@ pmap_steal_memory(vm_size_t size)
if (pa >= MIPS_KSEG0_LARGEST_PHYS) {
panic("Out of memory below 512Meg?");
}
va = MIPS_PHYS_TO_CACHED(pa);
va = MIPS_PHYS_TO_KSEG0(pa);
bzero((caddr_t)va, size);
return va;
}
@ -994,7 +994,7 @@ pmap_unuse_pt(pmap_t pmap, vm_offset_t va, vm_page_t mpte)
mpte = pmap->pm_ptphint;
} else {
pteva = *pmap_pde(pmap, va);
mpte = PHYS_TO_VM_PAGE(MIPS_CACHED_TO_PHYS(pteva));
mpte = PHYS_TO_VM_PAGE(MIPS_KSEG0_TO_PHYS(pteva));
pmap->pm_ptphint = mpte;
}
}
@ -1048,7 +1048,7 @@ pmap_pinit(pmap_t pmap)
ptdpg->valid = VM_PAGE_BITS_ALL;
pmap->pm_segtab = (pd_entry_t *)
MIPS_PHYS_TO_CACHED(VM_PAGE_TO_PHYS(ptdpg));
MIPS_PHYS_TO_KSEG0(VM_PAGE_TO_PHYS(ptdpg));
if ((ptdpg->flags & PG_ZERO) == 0)
bzero(pmap->pm_segtab, PAGE_SIZE);
@ -1115,7 +1115,7 @@ _pmap_allocpte(pmap_t pmap, unsigned ptepindex, int flags)
pmap->pm_stats.resident_count++;
ptepa = VM_PAGE_TO_PHYS(m);
pteva = MIPS_PHYS_TO_CACHED(ptepa);
pteva = MIPS_PHYS_TO_KSEG0(ptepa);
pmap->pm_segtab[ptepindex] = (pd_entry_t)pteva;
/*
@ -1169,7 +1169,7 @@ retry:
(pmap->pm_ptphint->pindex == ptepindex)) {
m = pmap->pm_ptphint;
} else {
m = PHYS_TO_VM_PAGE(MIPS_CACHED_TO_PHYS(pteva));
m = PHYS_TO_VM_PAGE(MIPS_KSEG0_TO_PHYS(pteva));
pmap->pm_ptphint = m;
}
m->wire_count++;
@ -1215,7 +1215,7 @@ pmap_release(pmap_t pmap)
("pmap_release: pmap resident count %ld != 0",
pmap->pm_stats.resident_count));
ptdpg = PHYS_TO_VM_PAGE(MIPS_CACHED_TO_PHYS(pmap->pm_segtab));
ptdpg = PHYS_TO_VM_PAGE(MIPS_KSEG0_TO_PHYS(pmap->pm_segtab));
ptdpg->wire_count--;
atomic_subtract_int(&cnt.v_wire_count, 1);
vm_page_free_zero(ptdpg);
@ -1285,7 +1285,7 @@ pmap_growkernel(vm_offset_t addr)
*/
panic("Gak, can't handle a k-page table outside of lower 512Meg");
}
pte = (pt_entry_t *)MIPS_PHYS_TO_CACHED(ptppaddr);
pte = (pt_entry_t *)MIPS_PHYS_TO_KSEG0(ptppaddr);
segtab_pde(kernel_segmap, kernel_vm_end) = (pd_entry_t)pte;
/*
@ -2027,7 +2027,7 @@ pmap_enter_quick_locked(pmap_t pmap, vm_offset_t va, vm_page_t m,
(pmap->pm_ptphint->pindex == ptepindex)) {
mpte = pmap->pm_ptphint;
} else {
mpte = PHYS_TO_VM_PAGE(MIPS_CACHED_TO_PHYS(pteva));
mpte = PHYS_TO_VM_PAGE(MIPS_KSEG0_TO_PHYS(pteva));
pmap->pm_ptphint = mpte;
}
mpte->wire_count++;
@ -2117,7 +2117,7 @@ pmap_kenter_temporary(vm_paddr_t pa, int i)
} else
#endif
if (pa < MIPS_KSEG0_LARGEST_PHYS) {
va = MIPS_PHYS_TO_CACHED(pa);
va = MIPS_PHYS_TO_KSEG0(pa);
} else {
int cpu;
struct local_sysmaps *sysm;
@ -2289,7 +2289,7 @@ pmap_zero_page(vm_page_t m)
#endif
if (phys < MIPS_KSEG0_LARGEST_PHYS) {
va = MIPS_PHYS_TO_CACHED(phys);
va = MIPS_PHYS_TO_KSEG0(phys);
bzero((caddr_t)va, PAGE_SIZE);
mips_dcache_wbinv_range(va, PAGE_SIZE);
@ -2347,7 +2347,7 @@ pmap_zero_page_area(vm_page_t m, int off, int size)
} else
#endif
if (phys < MIPS_KSEG0_LARGEST_PHYS) {
va = MIPS_PHYS_TO_CACHED(phys);
va = MIPS_PHYS_TO_KSEG0(phys);
bzero((char *)(caddr_t)va + off, size);
mips_dcache_wbinv_range(va + off, size);
} else {
@ -2388,7 +2388,7 @@ pmap_zero_page_idle(vm_page_t m)
} else
#endif
if (phys < MIPS_KSEG0_LARGEST_PHYS) {
va = MIPS_PHYS_TO_CACHED(phys);
va = MIPS_PHYS_TO_KSEG0(phys);
bzero((caddr_t)va, PAGE_SIZE);
mips_dcache_wbinv_range(va, PAGE_SIZE);
} else {
@ -2463,9 +2463,9 @@ pmap_copy_page(vm_page_t src, vm_page_t dst)
*/
pmap_flush_pvcache(src);
mips_dcache_wbinv_range_index(
MIPS_PHYS_TO_CACHED(phy_dst), NBPG);
va_src = MIPS_PHYS_TO_CACHED(phy_src);
va_dst = MIPS_PHYS_TO_CACHED(phy_dst);
MIPS_PHYS_TO_KSEG0(phy_dst), NBPG);
va_src = MIPS_PHYS_TO_KSEG0(phy_src);
va_dst = MIPS_PHYS_TO_KSEG0(phy_dst);
bcopy((caddr_t)va_src, (caddr_t)va_dst, PAGE_SIZE);
mips_dcache_wbinv_range(va_dst, PAGE_SIZE);
} else {
@ -2479,14 +2479,14 @@ pmap_copy_page(vm_page_t src, vm_page_t dst)
int_level = disableintr();
if (phy_src < MIPS_KSEG0_LARGEST_PHYS) {
/* one side needs mapping - dest */
va_src = MIPS_PHYS_TO_CACHED(phy_src);
va_src = MIPS_PHYS_TO_KSEG0(phy_src);
sysm->CMAP2 = mips_paddr_to_tlbpfn(phy_dst) | PTE_RW | PTE_V | PTE_G | PTE_W | PTE_CACHE;
pmap_TLB_update_kernel((vm_offset_t)sysm->CADDR2, sysm->CMAP2);
sysm->valid2 = 1;
va_dst = (vm_offset_t)sysm->CADDR2;
} else if (phy_dst < MIPS_KSEG0_LARGEST_PHYS) {
/* one side needs mapping - src */
va_dst = MIPS_PHYS_TO_CACHED(phy_dst);
va_dst = MIPS_PHYS_TO_KSEG0(phy_dst);
sysm->CMAP1 = mips_paddr_to_tlbpfn(phy_src) | PTE_RW | PTE_V | PTE_G | PTE_W | PTE_CACHE;
pmap_TLB_update_kernel((vm_offset_t)sysm->CADDR1, sysm->CMAP1);
va_src = (vm_offset_t)sysm->CADDR1;
@ -3306,7 +3306,7 @@ pmap_kextract(vm_offset_t va)
{
vm_offset_t pa = 0;
if (va < MIPS_CACHED_MEMORY_ADDR) {
if (va < MIPS_KSEG0_START) {
/* user virtual address */
pt_entry_t *ptep;
@ -3316,16 +3316,16 @@ pmap_kextract(vm_offset_t va)
pa = mips_tlbpfn_to_paddr(*ptep) |
(va & PAGE_MASK);
}
} else if (va >= MIPS_CACHED_MEMORY_ADDR &&
va < MIPS_UNCACHED_MEMORY_ADDR)
pa = MIPS_CACHED_TO_PHYS(va);
else if (va >= MIPS_UNCACHED_MEMORY_ADDR &&
} else if (va >= MIPS_KSEG0_START &&
va < MIPS_KSEG1_START)
pa = MIPS_KSEG0_TO_PHYS(va);
else if (va >= MIPS_KSEG1_START &&
va < MIPS_KSEG2_START)
pa = MIPS_UNCACHED_TO_PHYS(va);
pa = MIPS_KSEG1_TO_PHYS(va);
#ifdef VM_ALLOC_WIRED_TLB_PG_POOL
else if (need_wired_tlb_page_pool && ((va >= VM_MIN_KERNEL_ADDRESS) &&
(va < (VM_MIN_KERNEL_ADDRESS + VM_KERNEL_ALLOC_OFFSET))))
pa = MIPS_CACHED_TO_PHYS(va);
pa = MIPS_KSEG0_TO_PHYS(va);
#endif
else if (va >= MIPS_KSEG2_START && va < VM_MAX_KERNEL_ADDRESS) {
pt_entry_t *ptep;