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NtAllocateVirtualMemory: Return STATUS_MAPPED_ALIGNMENT if the base address is unaligned

This commit is contained in:
Dr. Chat 2015-09-25 18:37:49 -05:00
parent d78f43c574
commit ba399d52b9
1 changed files with 9 additions and 1 deletions
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10
src/xenia/kernel/xboxkrnl/xboxkrnl_memory.cc
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@ -117,6 +117,13 @@ SHIM_CALL NtAllocateVirtualMemory_shim(PPCContext* ppc_context,
}
uint32_t adjusted_size = xe::round_up(region_size_value, page_size);
// Some games (BF1943) do this, but then if we return an error code it'll
// allocate with a smaller page size.
if (base_addr_value % page_size != 0) {
SHIM_SET_RETURN_32(X_STATUS_MAPPED_ALIGNMENT);
return;
}
// Allocate.
uint32_t allocation_type = 0;
if (alloc_type & X_MEM_RESERVE) {
@ -480,6 +487,7 @@ SHIM_CALL MmGetPhysicalAddress_shim(PPCContext* ppc_context,
// _In_ PVOID BaseAddress
// );
// base_address = result of MmAllocatePhysicalMemory.
assert_true(base_address >= 0xA0000000);
uint32_t physical_address = base_address & 0x1FFFFFFF;
if (base_address >= 0xE0000000) {
@ -514,7 +522,7 @@ SHIM_CALL ExAllocatePoolTypeWithTag_shim(PPCContext* ppc_context,
uint32_t tag = SHIM_GET_ARG_32(1);
uint32_t zero = SHIM_GET_ARG_32(2);
XELOGD("ExAllocatePoolTypeWithTag(%d, %.8X, %d)", size, tag, zero);
XELOGD("ExAllocatePoolTypeWithTag(%d, %.4s, %d)", size, &tag, zero);
uint32_t alignment = 8;
uint32_t adjusted_size = size;