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Cxbx-Reloaded
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review remarks

This commit is contained in:
RadWolfie 2021-04-27 06:21:11 -05:00
parent cf3655bed1
commit 08dd615d37
4 changed files with 17 additions and 16 deletions
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9
src/core/kernel/init/CxbxKrnl.cpp
View File

@ -1398,7 +1398,7 @@ __declspec(noreturn) void CxbxKrnlInit
CxbxResolveHostToFullPath(relative_path, "xbe's directory");
CxbxBasePathHandle = CreateFile(CxbxBasePath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
int CxbxTitleDeviceDriveIndex = -1;
int CxbxCdrom0DeviceIndex = -1;
bool isEmuDisk = _strnicmp(relative_path.c_str(), CxbxBasePath.c_str(), CxbxBasePath.size() - 1) == 0;
// Check if title mounth path is already set. This may occur from early boot of Chihiro title.
char title_mount_path[sizeof(szFilePath_Xbe)];
@ -1415,9 +1415,10 @@ __declspec(noreturn) void CxbxKrnlInit
// TODO: Find a place to make permanent placement for DeviceCdrom0 that does not have disc loaded.
if (tmp_buffer[0] != '\0') {
CxbxTitleDeviceDriveIndex = CxbxRegisterDeviceHostPath(DeviceCdrom0, tmp_buffer);
CxbxCdrom0DeviceIndex = CxbxRegisterDeviceHostPath(DeviceCdrom0, tmp_buffer);
// Since Chihiro also map Mbfs to the same path as Cdrom0, we'll map it the same way.
if (g_bIsChihiro) {
CxbxRegisterDeviceHostPath(DriveMbfs, tmp_buffer);
(void)CxbxRegisterDeviceHostPath(DriveMbfs, tmp_buffer);
}
}
@ -1445,7 +1446,7 @@ __declspec(noreturn) void CxbxKrnlInit
#else
// HACK: It is a hack to override XDK's default mount to CdRom0 which may not exist when launch to dashboard directly.
// Otherwise, titles may launch to dashboard, more specifically xbox live title, and back.
if (CxbxTitleDeviceDriveIndex == -1 || lastFind != std::string::npos) {
if (CxbxCdrom0DeviceIndex == -1 || lastFind != std::string::npos) {
#endif
CxbxCreateSymbolicLink(DriveD, relative_path);
}

2
src/core/kernel/support/Emu.cpp
View File

@ -42,8 +42,6 @@ CRITICAL_SECTION dbgCritical;
#endif
// Global Variable(s)
HANDLE g_hCurDir = NULL;
CHAR *g_strCurDrive= NULL;
volatile thread_local bool g_bEmuException = false;
static thread_local bool bOverrideEmuException;
volatile bool g_bEmuSuspended = false;

3
src/core/kernel/support/Emu.h
View File

@ -63,9 +63,6 @@ extern volatile bool g_bEmuSuspended;
// global exception patching address
extern void * funcExclude[2048];
// partition emulation directory handles
extern HANDLE g_hCurDir;
extern CHAR *g_strCurDrive;
extern HWND g_hEmuWindow;
#define GET_FRONT_WINDOW_HANDLE ((CxbxKrnl_hEmuParent != nullptr) ? CxbxKrnl_hEmuParent : g_hEmuWindow)

19
src/core/kernel/support/EmuFile.cpp
View File

@ -46,6 +46,9 @@
#include <filesystem>
// partition emulation directory handles
HANDLE g_hCurDir_hack = NULL; // HACK: We should not be depending on this variable. Instead, we should fix/implement Ob/Io objects such as IoCreateDevice.
// Default Xbox Partition Table
#define PE_PARTFLAGS_IN_USE 0x80000000
#define XBOX_SWAPPART1_LBA_START 0x400
@ -433,7 +436,7 @@ NTSTATUS CxbxConvertFilePath(
else if (RelativePath[0] == '$') {
if (RelativePath.compare(0, 5, "$HOME") == 0) // "xbmp" needs this
{
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir);
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir_hack);
RelativePath.erase(0, 5); // Remove '$HOME'
}
else
@ -441,7 +444,7 @@ NTSTATUS CxbxConvertFilePath(
}
// Check if the path starts with a relative path indicator :
else if (RelativePath[0] == '.') {// "4x4 Evo 2" needs this
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir);
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir_hack);
RelativePath.erase(0, 1); // Remove the '.'
}
else {
@ -467,7 +470,7 @@ NTSTATUS CxbxConvertFilePath(
}
if (NtSymbolicLinkObject != nullptr || !find_path.HostDirPath.empty()) {
/// If found, then we can skip misc checks below.
// If found, then we can skip misc checks below.
}
// Check if the path accesses a partition from Harddisk0 :
else if (_strnicmp(RelativePath.c_str(), DeviceHarddisk0PartitionPrefix.c_str(), DeviceHarddisk0PartitionPrefix.length()) == 0) {
@ -481,13 +484,13 @@ NTSTATUS CxbxConvertFilePath(
// NOTE: RootDirectory cannot be ignored.
// Any special handling for it should be done below.
else if (*RootDirectory == nullptr) {
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir);
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir_hack);
}
else if (*RootDirectory == ObDosDevicesDirectory()) {
// This is a special handle that tells the API that this is a DOS device
// We can safely remove it and forward to the Xbe directory.
// Test case GTA3
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir);
NtSymbolicLinkObject = FindNtSymbolicLinkObjectByRootHandle(g_hCurDir_hack);
}
else if (*RootDirectory == ObWin32NamedObjectsDirectory()) {
// NOTE: A handle of -4 on the Xbox signifies the path should be in the BaseNamedObjects namespace.
@ -718,8 +721,9 @@ xbox::ntstatus_xt CxbxCreateSymbolicLink(std::string SymbolicLinkName, std::stri
if (result != xbox::status_success) {
SymbolicLinkObject->NtClose();
}
// TODO: Remove whole else if statement below, see g_hCurDir_hack's comment for remark.
else if (SymbolicLinkObject->DriveLetter == CxbxAutoMountDriveLetter) {
g_hCurDir = SymbolicLinkObject->RootDirectoryHandle;
g_hCurDir_hack = SymbolicLinkObject->RootDirectoryHandle;
}
return result;
@ -811,8 +815,9 @@ NTSTATUS EmuNtSymbolicLinkObject::Init(std::string aSymbolicLinkName, std::strin
if (DriveLetter >= 'A' && DriveLetter <= 'Z') {
NtSymbolicLinkObjects[DriveLetter - 'A'] = NULL;
NtDll::NtClose(RootDirectoryHandle);
// TODO: Remove whole if statement below, see g_hCurDir_hack's comment for remark.
if (DriveLetter == CxbxAutoMountDriveLetter) {
g_hCurDir = NULL;
g_hCurDir_hack = NULL;
}
}
}