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Align physical allocations to page size.

This commit is contained in:
Ben Vanik 2013-10-21 19:26:41 -07:00
parent aa3e8d0332
commit 1fea07b6aa
1 changed files with 3 additions and 2 deletions
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5
src/xenia/kernel/modules/xboxkrnl/xboxkrnl_memory.cc
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@ -220,8 +220,9 @@ uint32_t xeMmAllocatePhysicalMemoryEx(
page_size = 16 * 1024 * 1024;
}
// Round up the region size to the next page.
// Round up the region size and alignment to the next page.
uint32_t adjusted_size = XEROUNDUP(region_size, page_size);
uint32_t adjusted_alignment = XEROUNDUP(alignment, page_size);;
// Callers can pick an address to allocate with min_addr_range/max_addr_range
// and the memory must be allocated there. I haven't seen a game do this,
@ -233,7 +234,7 @@ uint32_t xeMmAllocatePhysicalMemoryEx(
// Allocate.
uint32_t flags = XE_MEMORY_FLAG_PHYSICAL;
uint32_t base_address = xe_memory_heap_alloc(
state->memory(), 0, adjusted_size, flags, alignment);
state->memory(), 0, adjusted_size, flags, adjusted_alignment);
if (!base_address) {
// Failed - assume no memory available.
return 0;