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Remove the statically allocated array that holds OpenFirmware memory mappings

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during pmap_bootstrap.  Instead, temporarily help ourselves to some memory
from phys_avail since we won't need it post-boostrap.
This commit is contained in:
Benno Rice 2002-07-18 12:43:08 +00:00
parent 8e465298e2
commit aa39961e37
3 changed files with 24 additions and 12 deletions
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12
sys/powerpc/aim/mmu_oea.c
View File

@ -211,8 +211,7 @@ u_int phys_avail_count;
static struct mem_region *regions;
static struct mem_region *pregions;
int regions_sz, pregions_sz;
static struct ofw_map translations[128];
static int translations_size;
static struct ofw_map *translations;
/*
* First and last available kernel virtual addresses.
@ -688,8 +687,13 @@ pmap_bootstrap(vm_offset_t kernelstart, vm_offset_t kernelend)
panic("pmap_bootstrap: can't get mmu package");
if ((sz = OF_getproplen(mmu, "translations")) == -1)
panic("pmap_bootstrap: can't get ofw translation count");
if (sizeof(translations) < sz)
panic("pmap_bootstrap: translations too small");
translations = NULL;
for (i = 0; phys_avail[i + 2] != 0; i += 2) {
if (phys_avail[i + 1] >= sz)
translations = (struct ofw_map *)phys_avail[i];
}
if (translations == NULL)
panic("pmap_bootstrap: no space to copy translations");
bzero(translations, sz);
if (OF_getprop(mmu, "translations", translations, sz) == -1)
panic("pmap_bootstrap: can't get ofw translations");

12
sys/powerpc/powerpc/mmu_oea.c
View File

@ -211,8 +211,7 @@ u_int phys_avail_count;
static struct mem_region *regions;
static struct mem_region *pregions;
int regions_sz, pregions_sz;
static struct ofw_map translations[128];
static int translations_size;
static struct ofw_map *translations;
/*
* First and last available kernel virtual addresses.
@ -688,8 +687,13 @@ pmap_bootstrap(vm_offset_t kernelstart, vm_offset_t kernelend)
panic("pmap_bootstrap: can't get mmu package");
if ((sz = OF_getproplen(mmu, "translations")) == -1)
panic("pmap_bootstrap: can't get ofw translation count");
if (sizeof(translations) < sz)
panic("pmap_bootstrap: translations too small");
translations = NULL;
for (i = 0; phys_avail[i + 2] != 0; i += 2) {
if (phys_avail[i + 1] >= sz)
translations = (struct ofw_map *)phys_avail[i];
}
if (translations == NULL)
panic("pmap_bootstrap: no space to copy translations");
bzero(translations, sz);
if (OF_getprop(mmu, "translations", translations, sz) == -1)
panic("pmap_bootstrap: can't get ofw translations");

12
sys/powerpc/powerpc/pmap.c
View File

@ -211,8 +211,7 @@ u_int phys_avail_count;
static struct mem_region *regions;
static struct mem_region *pregions;
int regions_sz, pregions_sz;
static struct ofw_map translations[128];
static int translations_size;
static struct ofw_map *translations;
/*
* First and last available kernel virtual addresses.
@ -688,8 +687,13 @@ pmap_bootstrap(vm_offset_t kernelstart, vm_offset_t kernelend)
panic("pmap_bootstrap: can't get mmu package");
if ((sz = OF_getproplen(mmu, "translations")) == -1)
panic("pmap_bootstrap: can't get ofw translation count");
if (sizeof(translations) < sz)
panic("pmap_bootstrap: translations too small");
translations = NULL;
for (i = 0; phys_avail[i + 2] != 0; i += 2) {
if (phys_avail[i + 1] >= sz)
translations = (struct ofw_map *)phys_avail[i];
}
if (translations == NULL)
panic("pmap_bootstrap: no space to copy translations");
bzero(translations, sz);
if (OF_getprop(mmu, "translations", translations, sz) == -1)
panic("pmap_bootstrap: can't get ofw translations");