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Allow AllocFixed of unreserved ranges.

This commit is contained in:
Ben Vanik 2015-05-29 21:47:19 -07:00
parent d97a6d1929
commit c4ef5d4eb8
2 changed files with 13 additions and 6 deletions
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5
src/xenia/gpu/gl4/command_processor.cc
View File

@ -484,7 +484,10 @@ void CommandProcessor::UpdateWritePointer(uint32_t value) {
void CommandProcessor::WriteRegister(uint32_t index, uint32_t value) {
RegisterFile* regs = register_file_;
assert_true(index < RegisterFile::kRegisterCount);
if (index >= RegisterFile::kRegisterCount) {
XELOGW("CommandProcessor::WriteRegister index out of bounds: %d", index);
return;
}
regs->values[index].u32 = value;

14
src/xenia/memory.cc
View File

@ -560,7 +560,7 @@ bool BaseHeap::AllocFixed(uint32_t base_address, uint32_t size,
uint32_t end_page_number = start_page_number + page_count - 1;
if (start_page_number >= page_table_.size() ||
end_page_number > page_table_.size()) {
XELOGE("BaseHeap::Alloc passed out of range address range");
XELOGE("BaseHeap::AllocFixed passed out of range address range");
return false;
}
@ -575,14 +575,18 @@ bool BaseHeap::AllocFixed(uint32_t base_address, uint32_t size,
uint32_t state = page_table_[page_number].state;
if ((allocation_type == kMemoryAllocationReserve) && state) {
// Already reserved.
XELOGE("BaseHeap::Alloc attempting to reserve an already reserved range");
XELOGE(
"BaseHeap::AllocFixed attempting to reserve an already reserved "
"range");
return false;
}
if ((allocation_type == kMemoryAllocationCommit) &&
!(state & kMemoryAllocationReserve)) {
// Attempting a commit-only op on an unreserved page.
XELOGE("BaseHeap::Alloc attempting commit on unreserved page");
return false;
// This may be OK.
XELOGW("BaseHeap::AllocFixed attempting commit on unreserved page");
allocation_type |= kMemoryAllocationReserve;
break;
}
}
@ -599,7 +603,7 @@ bool BaseHeap::AllocFixed(uint32_t base_address, uint32_t size,
page_count * page_size_, flAllocationType,
ToWin32ProtectFlags(protect));
if (!result) {
XELOGE("BaseHeap::Alloc failed to alloc range from host");
XELOGE("BaseHeap::AllocFixed failed to alloc range from host");
return false;
}