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Don't store xam launch data in guest memory.

This commit is contained in:
Dr. Chat 2016-06-27 13:46:08 -05:00
parent 75908a9865
commit 9abfc52b77
2 changed files with 12 additions and 22 deletions
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31
src/xenia/kernel/xam/xam_info.cc
View File

@ -36,6 +36,11 @@ SHIM_CALL XamGetSystemVersion_shim(PPCContext* ppc_context,
SHIM_SET_RETURN_32(0);
}
void XCustomRegisterDynamicActions() {
// ???
}
DECLARE_XAM_EXPORT(XCustomRegisterDynamicActions, ExportTag::kStub);
SHIM_CALL XGetAVPack_shim(PPCContext* ppc_context, KernelState* kernel_state) {
// DWORD
// Not sure what the values are for this, but 6 is VGA.
@ -97,16 +102,9 @@ dword_result_t XamLoaderSetLaunchData(lpvoid_t data, dword_t size) {
auto xam = kernel_state()->GetKernelModule<XamModule>("xam.xex");
auto& loader_data = xam->loader_data();
if (loader_data.launch_data_ptr) {
kernel_memory()->SystemHeapFree(loader_data.launch_data_ptr);
}
loader_data.launch_data_present = size ? true : false;
loader_data.launch_data_ptr = kernel_memory()->SystemHeapAlloc(size);
loader_data.launch_data_size = size;
std::memcpy(kernel_memory()->TranslateVirtual(loader_data.launch_data_ptr),
data, size);
loader_data.launch_data.resize(size);
std::memcpy(loader_data.launch_data.data(), data, size);
// FIXME: Unknown return value.
return 0;
@ -118,7 +116,7 @@ dword_result_t XamLoaderGetLaunchDataSize(lpdword_t size_ptr) {
auto& loader_data = xam->loader_data();
if (loader_data.launch_data_present) {
*size_ptr = xam->loader_data().launch_data_size;
*size_ptr = uint32_t(xam->loader_data().launch_data.size());
return X_ERROR_SUCCESS;
}
@ -134,16 +132,9 @@ dword_result_t XamLoaderGetLaunchData(lpvoid_t buffer_ptr,
return X_ERROR_NOT_FOUND;
}
if (loader_data.launch_data_ptr) {
uint8_t* loader_buffer_ptr =
kernel_memory()->TranslateVirtual(loader_data.launch_data_ptr);
uint32_t copy_size =
std::min(loader_data.launch_data_size, (uint32_t)buffer_size);
std::memcpy(buffer_ptr, loader_buffer_ptr, copy_size);
}
uint32_t copy_size =
std::min(uint32_t(loader_data.launch_data.size()), uint32_t(buffer_size));
std::memcpy(buffer_ptr, loader_data.launch_data.data(), copy_size);
return X_ERROR_SUCCESS;
}
DECLARE_XAM_EXPORT(XamLoaderGetLaunchData, ExportTag::kSketchy);

3
src/xenia/kernel/xam/xam_module.h
View File

@ -30,8 +30,7 @@ class XamModule : public KernelModule {
struct LoaderData {
bool launch_data_present = false;
uint32_t launch_data_ptr = 0;
uint32_t launch_data_size = 0;
std::vector<uint8_t> launch_data;
uint32_t launch_flags = 0;
std::string launch_path; // Full path to next xex
};