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Untested implementation of MmCreateKernelStack and stub of MmDeleteKernelStack.

This commit is contained in:
gibbed 2015-06-07 22:27:46 -05:00
parent cd62d4e461
commit 1d37df29cb
1 changed files with 32 additions and 0 deletions
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32
src/xenia/kernel/xboxkrnl_memory.cc
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@ -518,6 +518,35 @@ SHIM_CALL KeUnlockL2_shim(PPCContext* ppc_context, KernelState* kernel_state) {
XELOGD("KeUnlockL2(?)");
}
SHIM_CALL MmCreateKernelStack_shim(PPCContext* ppc_context, KernelState* kernel_state) {
auto stack_size = SHIM_GET_ARG_32(0);
auto unk1 = SHIM_GET_ARG_32(1);
XELOGD("MmCreateKernelStack(%.8X, %.8X)", stack_size, unk1);
stack_size = (stack_size + 0xFFF) & 0xFFFFF000;
uint32_t stack_alignment = (stack_size & 0xF000) ? 0x1000 : 0x10000;
uint32_t stack_address;
kernel_state->memory()
->LookupHeap(0x70000000)
->AllocRange(0x70000000, 0x7FFFFFFF, stack_size, stack_alignment,
kMemoryAllocationReserve | kMemoryAllocationCommit,
kMemoryProtectRead | kMemoryProtectWrite, false,
&stack_address);
SHIM_SET_RETURN_32(stack_address + stack_size);
}
SHIM_CALL MmDeleteKernelStack_shim(PPCContext* ppc_context, KernelState* kernel_state) {
auto unk0 = SHIM_GET_ARG_32(0);
auto unk1 = SHIM_GET_ARG_32(1);
XELOGD("MmDeleteKernelStack(%.8X, %.8X)", unk0, unk1);
assert_always();
SHIM_SET_RETURN_32(0);
}
} // namespace kernel
} // namespace xe
@ -540,4 +569,7 @@ void xe::kernel::xboxkrnl::RegisterMemoryExports(
SHIM_SET_MAPPING("xboxkrnl.exe", KeLockL2, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeUnlockL2, state);
SHIM_SET_MAPPING("xboxkrnl.exe", MmCreateKernelStack, state);
SHIM_SET_MAPPING("xboxkrnl.exe", MmDeleteKernelStack, state);
}