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Implementing XamGetExecutionId.

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This commit is contained in:
Ben Vanik
2015-02-11 16:26:07 -08:00
parent 31bec99cbb
commit c846ec30c3
3 changed files with 43 additions and 2 deletions
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25
src/xenia/kernel/objects/xuser_module.cc
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@@ -20,9 +20,14 @@ namespace kernel {
using namespace xe::cpu;
XUserModule::XUserModule(KernelState* kernel_state, const char* path)
: XModule(kernel_state, path), xex_(nullptr) {}
: XModule(kernel_state, path), xex_(nullptr), execution_info_ptr_(0) {}
XUserModule::~XUserModule() { xe_xex2_dealloc(xex_); }
XUserModule::~XUserModule() {
if (execution_info_ptr_) {
kernel_state()->memory()->HeapFree(execution_info_ptr_, 0);
}
xe_xex2_dealloc(xex_);
}
xe_xex2_ref XUserModule::xex() { return xex_; }
@@ -109,6 +114,22 @@ X_STATUS XUserModule::LoadFromMemory(const void* addr, const size_t length) {
return X_STATUS_UNSUCCESSFUL;
}
// Store execution info for later use.
// TODO(benvanik): just put entire xex header in memory somewhere?
execution_info_ptr_ =
uint32_t(kernel_state()->memory()->HeapAlloc(0, 24, MEMORY_FLAG_ZERO, 0));
auto eip = kernel_state()->memory()->membase() + execution_info_ptr_;
const auto& ex = xe_xex2_get_header(xex_)->execution_info;
poly::store_and_swap<uint32_t>(eip + 0x00, ex.media_id);
poly::store_and_swap<uint32_t>(eip + 0x04, ex.version.value);
poly::store_and_swap<uint32_t>(eip + 0x08, ex.base_version.value);
poly::store_and_swap<uint32_t>(eip + 0x0C, ex.title_id);
poly::store_and_swap<uint8_t>(eip + 0x10, ex.platform);
poly::store_and_swap<uint8_t>(eip + 0x11, ex.executable_table);
poly::store_and_swap<uint8_t>(eip + 0x12, ex.disc_number);
poly::store_and_swap<uint8_t>(eip + 0x13, ex.disc_count);
poly::store_and_swap<uint32_t>(eip + 0x14, ex.savegame_id);
// Prepare the module for execution.
// Runtime takes ownership.
auto xex_module = std::make_unique<XexModule>(runtime);

3
src/xenia/kernel/objects/xuser_module.h
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@@ -27,6 +27,8 @@ class XUserModule : public XModule {
xe_xex2_ref xex();
const xe_xex2_header_t* xex_header();
uint32_t execution_info_ptr() const { return execution_info_ptr_; }
X_STATUS LoadFromFile(const char* path);
X_STATUS LoadFromMemory(const void* addr, const size_t length);
@@ -42,6 +44,7 @@ class XUserModule : public XModule {
int LoadPE();
xe_xex2_ref xex_;
uint32_t execution_info_ptr_;
};
} // namespace kernel