ShuriZma
/
xenia-canary
mirror of https://github.com/xenia-canary/xenia-canary.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[XBDM] Implemented DmSetMemory and DmGetMemory

This commit is contained in:
Adrian 2024-12-29 01:11:58 +00:00 committed by Radosław Gliński
parent 160d80d5cc
commit 3dac88113f
1 changed files with 82 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
src/xenia/kernel/xbdm/xbdm_misc.cc
View File

@ -171,6 +171,88 @@ dword_result_t DmGetSystemInfo_entry(pointer_t<XBDM_SYSTEM_INFO> info) {
}
DECLARE_XBDM_EXPORT1(DmGetSystemInfo, kDebug, kStub);
dword_result_t DmSetMemory_entry(lpvoid_t dest_ptr, dword_t buf_size,
lpvoid_t src_ptr, lpdword_t bytes_written) {
if (!dest_ptr || !src_ptr || !buf_size) {
return XBDM_UNSUCCESSFUL;
}
if (bytes_written) {
*bytes_written = 0;
}
const uint32_t dest_guest_address = dest_ptr.guest_address();
const uint32_t dest_guest_high_address = dest_guest_address + buf_size;
memory::PageAccess access = memory::PageAccess::kNoAccess;
BaseHeap* dest_heap_ptr =
kernel_state()->memory()->LookupHeap(dest_guest_address);
if (!dest_heap_ptr) {
return XBDM_UNSUCCESSFUL;
}
access = dest_heap_ptr->QueryRangeAccess(dest_guest_address,
dest_guest_high_address);
if (access == memory::PageAccess::kReadWrite) {
memcpy(dest_ptr, src_ptr, buf_size);
if (bytes_written) {
*bytes_written = static_cast<uint32_t>(buf_size);
}
} else {
XELOGE("DmSetMemory failed with page access {}",
static_cast<uint32_t>(access));
return XBDM_UNSUCCESSFUL;
}
return XBDM_SUCCESSFUL;
}
DECLARE_XBDM_EXPORT1(DmSetMemory, kDebug, kImplemented);
dword_result_t DmGetMemory_entry(lpvoid_t src_ptr, dword_t buf_size,
lpvoid_t dest_ptr, lpdword_t bytes_written) {
if (!dest_ptr || !src_ptr || !buf_size) {
return XBDM_UNSUCCESSFUL;
}
if (bytes_written) {
*bytes_written = 0;
}
const uint32_t dest_guest_address = dest_ptr.guest_address();
const uint32_t dest_guest_high_address = dest_guest_address + buf_size;
memory::PageAccess access = memory::PageAccess::kNoAccess;
BaseHeap* dest_heap_ptr =
kernel_state()->memory()->LookupHeap(dest_guest_address);
if (!dest_heap_ptr) {
return XBDM_UNSUCCESSFUL;
}
access = dest_heap_ptr->QueryRangeAccess(dest_guest_address,
dest_guest_high_address);
if (access == memory::PageAccess::kReadWrite) {
memcpy(dest_ptr, src_ptr, buf_size);
if (bytes_written) {
*bytes_written = static_cast<uint32_t>(buf_size);
}
} else {
XELOGE("DmGetMemory failed with page access {}",
static_cast<uint32_t>(access));
return XBDM_UNSUCCESSFUL;
}
return XBDM_SUCCESSFUL;
}
DECLARE_XBDM_EXPORT1(DmGetMemory, kDebug, kImplemented);
dword_result_t DmIsFastCAPEnabled_entry() { return XBDM_UNSUCCESSFUL; }
DECLARE_XBDM_EXPORT1(DmIsFastCAPEnabled, kDebug, kStub);