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XamAlloc/XamFree. Fixes #153.

This commit is contained in:
Ben Vanik 2015-02-11 10:16:54 -08:00
parent dbe9b25a65
commit 585e0b0e46
1 changed files with 30 additions and 0 deletions
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30
src/xenia/kernel/xam_info.cc
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@ -100,6 +100,33 @@ SHIM_CALL XamLoaderTerminateTitle_shim(PPCContext* ppc_state,
assert_always();
}
SHIM_CALL XamAlloc_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t unk = SHIM_GET_ARG_32(0);
uint32_t size = SHIM_GET_ARG_32(1);
uint32_t out_ptr = SHIM_GET_ARG_32(2);
XELOGD("XamAlloc(%d, %d, %.8X)", unk, size, out_ptr);
assert_true(unk == 0);
// Allocate from the heap. Not sure why XAM does this specially, perhaps
// it keeps stuff in a separate heap?
uint64_t ptr = state->memory()->HeapAlloc(0, size, MEMORY_FLAG_ZERO);
SHIM_SET_MEM_32(out_ptr, uint32_t(ptr));
SHIM_SET_RETURN_32(X_ERROR_SUCCESS);
}
SHIM_CALL XamFree_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t ptr = SHIM_GET_ARG_32(0);
XELOGD("XamFree(%.8X)", ptr);
state->memory()->HeapFree(ptr, 0);
SHIM_SET_RETURN_32(X_ERROR_SUCCESS);
}
SHIM_CALL XamEnumerate_shim(PPCContext* ppc_state, KernelState* state) {
uint32_t handle = SHIM_GET_ARG_32(0);
uint32_t zero = SHIM_GET_ARG_32(1);
@ -154,5 +181,8 @@ void xe::kernel::xam::RegisterInfoExports(ExportResolver* export_resolver,
SHIM_SET_MAPPING("xam.xex", XamLoaderLaunchTitle, state);
SHIM_SET_MAPPING("xam.xex", XamLoaderTerminateTitle, state);
SHIM_SET_MAPPING("xam.xex", XamAlloc, state);
SHIM_SET_MAPPING("xam.xex", XamFree, state);
SHIM_SET_MAPPING("xam.xex", XamEnumerate, state);
}