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Code Issues Releases Activity

- add separate variable for enabling printing of ranges

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- simplify handling of rounding phys_avail ranges to 4M boundaries (needed for all
  memory to be in the direct mapped area)
This commit is contained in:
Kip Macy 2006-11-29 19:31:23 +00:00
parent 06a061cef3
commit 547ba2302a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=164757
1 changed files with 17 additions and 13 deletions
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30
sys/sun4v/sun4v/pmap.c
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@ -134,6 +134,7 @@ static uma_zone_t pvzone;
static struct vm_object pvzone_obj;
static int pv_entry_count = 0, pv_entry_max = 0, pv_entry_high_water = 0;
int pmap_debug = 0;
int pmap_debug_range = 0;
static struct mtx pmap_ctx_lock;
static uint16_t ctx_stack[PMAP_CONTEXT_MAX];
@ -520,6 +521,20 @@ pmap_bootstrap(vm_offset_t ekva)
uint64_t size = mra[i].mr_size;
CTR2(KTR_PMAP, "start=%#lx size=%#lx\n", mra[i].mr_start, mra[i].mr_size);
KDPRINTF("start=%#lx size=%#lx\n", mra[i].mr_start, mra[i].mr_size);
if (mra[i].mr_size < PAGE_SIZE_4M)
continue;
if ((mra[i].mr_start & PAGE_MASK_4M) || (mra[i].mr_size & PAGE_MASK_4M)) {
uint64_t newstart, roundup, size;
newstart = ((mra[i].mr_start + (PAGE_SIZE_4M-1)) & ~PAGE_MASK_4M);
roundup = newstart - mra[i].mr_start;
size = mra[i].mr_size - roundup;
if (size < PAGE_SIZE_4M)
continue;
size = (size & ~PAGE_MASK_4M);
mra[i].mr_size = size;
mra[i].mr_start = newstart;
}
/*
* Is kernel memory at the beginning of range?
*/
@ -551,18 +566,6 @@ pmap_bootstrap(vm_offset_t ekva)
physsz += firstsize + nucleus_memory;
j += 2;
}
if (mra[i].mr_size < PAGE_SIZE_4M)
continue;
if ((mra[i].mr_start & PAGE_MASK_4M) && (mra[i].mr_size < nucleus_memory))
continue;
if (mra[i].mr_start & PAGE_MASK_4M) {
uint64_t newstart, roundup;
newstart = ((mra[i].mr_start + (PAGE_SIZE_4M-1)) & ~PAGE_MASK_4M);
roundup = newstart - mra[i].mr_start;
mra[i].mr_size -= roundup;
mra[i].mr_start = newstart;
}
mra[i].mr_size &= ~PAGE_MASK_4M;
phys_avail[j] = mra[i].mr_start;
if (physmem_tunable != 0 && ((physsz + mra[i].mr_size) >= physmem_tunable)) {
size = physmem_tunable - physsz;
@ -579,7 +582,8 @@ pmap_bootstrap(vm_offset_t ekva)
for (i = 0; phys_avail[i] != 0; i += 2)
KDPRINTF("phys_avail[%d]=0x%lx phys_avail[%d]=0x%lx\n",
if (pmap_debug_range || pmap_debug)
printf("phys_avail[%d]=0x%lx phys_avail[%d]=0x%lx\n",
i, phys_avail[i], i+1, phys_avail[i+1]);
/*
* Calculate the size of kernel virtual memory, and the size and mask