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

861 lines
28 KiB
C++
Raw Blame History

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/base/logging.h"
#include "xenia/base/memory.h"
#include "xenia/cpu/processor.h"
#include "xenia/kernel/async_request.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/kernel/objects/xevent.h"
#include "xenia/kernel/objects/xfile.h"
#include "xenia/kernel/objects/xthread.h"
#include "xenia/kernel/util/shim_utils.h"
#include "xenia/kernel/xboxkrnl_private.h"
#include "xenia/vfs/device.h"
#include "xenia/xbox.h"
namespace xe {
namespace kernel {
using namespace xe::vfs;
// TODO(benvanik): replace X_OBJECT_ATTRIBUTES with new style and remove this.
class X_ANSI_STRING_OLD {
private:
uint16_t length;
uint16_t maximum_length;
const char* buffer;
public:
X_ANSI_STRING_OLD() { Zero(); }
X_ANSI_STRING_OLD(const uint8_t* base, uint32_t p) { Read(base, p); }
void Read(const uint8_t* base, uint32_t p) {
length = xe::load_and_swap<uint16_t>(base + p);
maximum_length = xe::load_and_swap<uint16_t>(base + p + 2);
if (maximum_length) {
buffer = (const char*)(base + xe::load_and_swap<uint32_t>(base + p + 4));
} else {
buffer = 0;
}
}
void Zero() {
length = maximum_length = 0;
buffer = 0;
}
char* Duplicate() {
if (!buffer || !length) {
return nullptr;
}
auto copy = (char*)calloc(length + 1, sizeof(char));
std::strncpy(copy, buffer, length);
return copy;
}
std::string to_string() {
if (!buffer || !length) {
return "";
}
std::string result(buffer, length);
return result;
}
};
// static_assert_size(X_ANSI_STRING, 8);
class X_OBJECT_ATTRIBUTES {
public:
uint32_t root_directory;
uint32_t object_name_ptr;
X_ANSI_STRING_OLD object_name;
uint32_t attributes;
X_OBJECT_ATTRIBUTES() { Zero(); }
X_OBJECT_ATTRIBUTES(const uint8_t* base, uint32_t p) { Read(base, p); }
void Read(const uint8_t* base, uint32_t p) {
root_directory = xe::load_and_swap<uint32_t>(base + p);
object_name_ptr = xe::load_and_swap<uint32_t>(base + p + 4);
if (object_name_ptr) {
object_name.Read(base, object_name_ptr);
} else {
object_name.Zero();
}
attributes = xe::load_and_swap<uint32_t>(base + p + 8);
}
void Zero() {
root_directory = 0;
object_name_ptr = 0;
object_name.Zero();
attributes = 0;
}
};
// http://msdn.microsoft.com/en-us/library/windows/hardware/ff540287.aspx
class X_FILE_FS_VOLUME_INFORMATION {
public:
// FILE_FS_VOLUME_INFORMATION
uint64_t creation_time;
uint32_t serial_number;
uint32_t label_length;
uint32_t supports_objects;
char label[1];
void Write(uint8_t* base, uint32_t p) {
uint8_t* dst = base + p;
xe::store_and_swap<uint64_t>(dst + 0, this->creation_time);
xe::store_and_swap<uint32_t>(dst + 8, this->serial_number);
xe::store_and_swap<uint32_t>(dst + 12, this->label_length);
xe::store_and_swap<uint32_t>(dst + 16, this->supports_objects);
memcpy(dst + 20, this->label, this->label_length);
}
};
static_assert_size(X_FILE_FS_VOLUME_INFORMATION, 24);
// https://msdn.microsoft.com/en-us/library/windows/hardware/ff540282.aspx
class X_FILE_FS_SIZE_INFORMATION {
public:
// FILE_FS_SIZE_INFORMATION
uint64_t total_allocation_units;
uint64_t available_allocation_units;
uint32_t sectors_per_allocation_unit;
uint32_t bytes_per_sector;
void Write(uint8_t* base, uint32_t p) {
uint8_t* dst = base + p;
xe::store_and_swap<uint64_t>(dst + 0, this->total_allocation_units);
xe::store_and_swap<uint64_t>(dst + 8, this->available_allocation_units);
xe::store_and_swap<uint32_t>(dst + 16, this->sectors_per_allocation_unit);
xe::store_and_swap<uint32_t>(dst + 20, this->bytes_per_sector);
}
};
static_assert_size(X_FILE_FS_SIZE_INFORMATION, 24);
// http://msdn.microsoft.com/en-us/library/windows/hardware/ff540251(v=vs.85).aspx
class X_FILE_FS_ATTRIBUTE_INFORMATION {
public:
// FILE_FS_ATTRIBUTE_INFORMATION
uint32_t attributes;
int32_t maximum_component_name_length;
uint32_t fs_name_length;
char fs_name[1];
void Write(uint8_t* base, uint32_t p) {
uint8_t* dst = base + p;
xe::store_and_swap<uint32_t>(dst + 0, this->attributes);
xe::store_and_swap<uint32_t>(dst + 4, this->maximum_component_name_length);
xe::store_and_swap<uint32_t>(dst + 8, this->fs_name_length);
memcpy(dst + 12, this->fs_name, this->fs_name_length);
}
};
static_assert_size(X_FILE_FS_ATTRIBUTE_INFORMATION, 16);
X_STATUS NtCreateFile(PPCContext* ppc_context, KernelState* kernel_state,
uint32_t handle_ptr, uint32_t desired_access,
X_OBJECT_ATTRIBUTES* object_attrs,
const char* object_name, uint32_t io_status_block_ptr,
uint32_t allocation_size_ptr, uint32_t file_attributes,
uint32_t share_access,
FileDisposition creation_disposition) {
uint64_t allocation_size = 0; // is this correct???
if (allocation_size_ptr != 0) {
allocation_size = SHIM_MEM_64(allocation_size_ptr);
}
// Compute path, possibly attrs relative.
std::string target_path = object_name;
if (object_attrs->root_directory != 0xFFFFFFFD && // ObDosDevices
object_attrs->root_directory != 0) {
auto root_file = kernel_state->object_table()->LookupObject<XFile>(
object_attrs->root_directory);
assert_not_null(root_file);
assert_true(root_file->type() == XObject::Type::kTypeFile);
// Resolve the file using the device the root directory is part of.
auto device = root_file->device();
target_path = xe::join_paths(
device->mount_path(), xe::join_paths(root_file->path(), object_name));
}
// Attempt open (or create).
object_ref<XFile> file;
FileAction file_action;
X_STATUS result = kernel_state->file_system()->OpenFile(
kernel_state, target_path, creation_disposition, desired_access, &file,
&file_action);
uint32_t info = uint32_t(file_action);
X_HANDLE handle = X_INVALID_HANDLE_VALUE;
if (XSUCCEEDED(result)) {
// Handle ref is incremented, so return that.
handle = file->handle();
}
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, info); // Information
}
if (XSUCCEEDED(result)) {
if (handle_ptr) {
SHIM_SET_MEM_32(handle_ptr, handle);
}
}
return result;
}
SHIM_CALL NtCreateFile_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t handle_ptr = SHIM_GET_ARG_32(0);
uint32_t desired_access = SHIM_GET_ARG_32(1);
uint32_t object_attributes_ptr = SHIM_GET_ARG_32(2);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(3);
uint32_t allocation_size_ptr = SHIM_GET_ARG_32(4);
uint32_t file_attributes = SHIM_GET_ARG_32(5);
uint32_t share_access = SHIM_GET_ARG_32(6);
uint32_t creation_disposition = SHIM_GET_ARG_32(7);
X_OBJECT_ATTRIBUTES object_attrs(SHIM_MEM_BASE, object_attributes_ptr);
char* object_name = object_attrs.object_name.Duplicate();
XELOGD("NtCreateFile(%.8X, %.8X, %.8X(%s), %.8X, %.8X, %.8X, %d, %d)",
handle_ptr, desired_access, object_attributes_ptr,
!object_name ? "(null)" : object_name, io_status_block_ptr,
allocation_size_ptr, file_attributes, share_access,
creation_disposition);
auto result = NtCreateFile(
ppc_context, kernel_state, handle_ptr, desired_access, &object_attrs,
object_name, io_status_block_ptr, allocation_size_ptr, file_attributes,
share_access, FileDisposition(creation_disposition));
free(object_name);
SHIM_SET_RETURN_32(result);
}
SHIM_CALL NtOpenFile_shim(PPCContext* ppc_context, KernelState* kernel_state) {
uint32_t handle_ptr = SHIM_GET_ARG_32(0);
uint32_t desired_access = SHIM_GET_ARG_32(1);
uint32_t object_attributes_ptr = SHIM_GET_ARG_32(2);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(3);
uint32_t open_options = SHIM_GET_ARG_32(4);
X_OBJECT_ATTRIBUTES object_attrs(SHIM_MEM_BASE, object_attributes_ptr);
char* object_name = object_attrs.object_name.Duplicate();
XELOGD("NtOpenFile(%.8X, %.8X, %.8X(%s), %.8X, %d)", handle_ptr,
desired_access, object_attributes_ptr,
!object_name ? "(null)" : object_name, io_status_block_ptr,
open_options);
auto result = NtCreateFile(
ppc_context, kernel_state, handle_ptr, desired_access, &object_attrs,
object_name, io_status_block_ptr, 0, 0, 0, FileDisposition::kOpen);
free(object_name);
SHIM_SET_RETURN_32(result);
}
class xeNtReadFileState {
public:
uint32_t x;
};
void xeNtReadFileCompleted(XAsyncRequest* request, xeNtReadFileState* state) {
// TODO(benvanik): set io_status_block_ptr
delete request;
delete state;
}
SHIM_CALL NtReadFile_shim(PPCContext* ppc_context, KernelState* kernel_state) {
uint32_t file_handle = SHIM_GET_ARG_32(0);
uint32_t event_handle = SHIM_GET_ARG_32(1);
uint32_t apc_routine_ptr = SHIM_GET_ARG_32(2);
uint32_t apc_context = SHIM_GET_ARG_32(3);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(4);
uint32_t buffer = SHIM_GET_ARG_32(5);
uint32_t buffer_length = SHIM_GET_ARG_32(6);
uint32_t byte_offset_ptr = SHIM_GET_ARG_32(7);
size_t byte_offset = byte_offset_ptr ? SHIM_MEM_64(byte_offset_ptr) : 0;
XELOGD("NtReadFile(%.8X, %.8X, %.8X, %.8X, %.8X, %.8X, %d, %.8X(%llu))",
file_handle, event_handle, apc_routine_ptr, apc_context,
io_status_block_ptr, buffer, buffer_length, byte_offset_ptr,
byte_offset);
X_STATUS result = X_STATUS_SUCCESS;
uint32_t info = 0;
// Grab event to signal.
bool signal_event = false;
auto ev =
event_handle
? kernel_state->object_table()->LookupObject<XEvent>(event_handle)
: object_ref<XEvent>();
if (event_handle && !ev) {
result = X_STATUS_INVALID_HANDLE;
}
// Grab file.
auto file = kernel_state->object_table()->LookupObject<XFile>(file_handle);
if (!file) {
result = X_STATUS_INVALID_HANDLE;
}
// Execute read.
if (XSUCCEEDED(result)) {
// Reset event before we begin.
if (ev) {
ev->Reset();
}
// TODO(benvanik): async path.
if (true) {
// Synchronous request.
if (!byte_offset_ptr || byte_offset == 0xFFFFFFFFfffffffe) {
// FILE_USE_FILE_POINTER_POSITION
byte_offset = -1;
}
// Read now.
size_t bytes_read = 0;
result = file->Read(SHIM_MEM_ADDR(buffer), buffer_length, byte_offset,
&bytes_read);
if (XSUCCEEDED(result)) {
info = (int32_t)bytes_read;
}
// Queue the APC callback. It must be delivered via the APC mechanism even
// though were are completing immediately.
if (apc_routine_ptr & ~1) {
auto thread = XThread::GetCurrentThread();
thread->EnqueueApc(apc_routine_ptr & ~1, apc_context,
io_status_block_ptr, 0);
}
// Mark that we should signal the event now. We do this after
// we have written the info out.
signal_event = true;
} else {
// X_STATUS_PENDING if not returning immediately.
// XFile is waitable and signalled after each async req completes.
// reset the input event (->Reset())
/*xeNtReadFileState* call_state = new xeNtReadFileState();
XAsyncRequest* request = new XAsyncRequest(
state, file,
(XAsyncRequest::CompletionCallback)xeNtReadFileCompleted,
call_state);*/
// result = file->Read(buffer, buffer_length, byte_offset, request);
result = X_STATUS_PENDING;
info = 0;
}
}
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, info); // Information
}
if (ev && signal_event) {
ev->Set(0, false);
}
SHIM_SET_RETURN_32(result);
}
SHIM_CALL NtWriteFile_shim(PPCContext* ppc_context, KernelState* kernel_state) {
uint32_t file_handle = SHIM_GET_ARG_32(0);
uint32_t event_handle = SHIM_GET_ARG_32(1);
uint32_t apc_routine_ptr = SHIM_GET_ARG_32(2);
uint32_t apc_context = SHIM_GET_ARG_32(3);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(4);
uint32_t buffer = SHIM_GET_ARG_32(5);
uint32_t buffer_length = SHIM_GET_ARG_32(6);
uint32_t byte_offset_ptr = SHIM_GET_ARG_32(7);
size_t byte_offset = byte_offset_ptr ? SHIM_MEM_64(byte_offset_ptr) : 0;
XELOGD("NtWriteFile(%.8X, %.8X, %.8X, %.8X, %.8X, %.8X, %d, %.8X(%d))",
file_handle, event_handle, apc_routine_ptr, apc_context,
io_status_block_ptr, buffer, buffer_length, byte_offset_ptr,
byte_offset);
// Async not supported yet.
assert_zero(apc_routine_ptr);
X_STATUS result = X_STATUS_SUCCESS;
uint32_t info = 0;
// Grab event to signal.
bool signal_event = false;
auto ev =
event_handle
? kernel_state->object_table()->LookupObject<XEvent>(event_handle)
: object_ref<XEvent>();
if (event_handle && !ev) {
result = X_STATUS_INVALID_HANDLE;
}
// Grab file.
auto file = kernel_state->object_table()->LookupObject<XFile>(file_handle);
if (!file) {
result = X_STATUS_INVALID_HANDLE;
}
// Execute write.
if (XSUCCEEDED(result)) {
// Reset event before we begin.
if (ev) {
ev->Reset();
}
// TODO(benvanik): async path.
if (true) {
// Synchronous request.
if (!byte_offset_ptr || byte_offset == 0xFFFFFFFFfffffffe) {
// FILE_USE_FILE_POINTER_POSITION
byte_offset = -1;
}
// Write now.
size_t bytes_written = 0;
result = file->Write(SHIM_MEM_ADDR(buffer), buffer_length, byte_offset,
&bytes_written);
if (XSUCCEEDED(result)) {
info = (int32_t)bytes_written;
}
// Mark that we should signal the event now. We do this after
// we have written the info out.
signal_event = true;
} else {
// X_STATUS_PENDING if not returning immediately.
result = X_STATUS_PENDING;
info = 0;
}
}
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, info); // Information
}
if (ev && signal_event) {
ev->Set(0, false);
}
SHIM_SET_RETURN_32(result);
}
dword_result_t NtCreateIoCompletion(lpvoid_t out_handle, dword_t desired_access,
lpvoid_t object_attribs,
dword_t num_concurrent_threads) {
return X_STATUS_UNSUCCESSFUL;
}
DECLARE_XBOXKRNL_EXPORT(NtCreateIoCompletion, ExportTag::kStub);
SHIM_CALL NtSetInformationFile_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t file_handle = SHIM_GET_ARG_32(0);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(1);
uint32_t file_info_ptr = SHIM_GET_ARG_32(2);
uint32_t length = SHIM_GET_ARG_32(3);
uint32_t file_info_class = SHIM_GET_ARG_32(4);
XELOGD("NtSetInformationFile(%.8X, %.8X, %.8X, %.8X, %.8X)", file_handle,
io_status_block_ptr, file_info_ptr, length, file_info_class);
X_STATUS result = X_STATUS_SUCCESS;
uint32_t info = 0;
// Grab file.
auto file = kernel_state->object_table()->LookupObject<XFile>(file_handle);
if (file) {
switch (file_info_class) {
case XFileDispositionInformation: {
// Used to set deletion flag. Which we don't support. Probably?
info = 0;
bool delete_on_close = SHIM_MEM_8(file_info_ptr) ? true : false;
XELOGW("NtSetInformationFile ignoring delete on close: %d",
delete_on_close);
break;
}
case XFilePositionInformation:
// struct FILE_POSITION_INFORMATION {
// LARGE_INTEGER CurrentByteOffset;
// };
assert_true(length == 8);
info = 8;
file->set_position(SHIM_MEM_64(file_info_ptr));
break;
case XFileAllocationInformation:
case XFileEndOfFileInformation:
assert_true(length == 8);
info = 8;
XELOGW("NtSetInformationFile ignoring alloc/eof");
break;
case XFileCompletionInformation:
// Games appear to call NtCreateIoCompletion right before this
break;
default:
// Unsupported, for now.
assert_always();
info = 0;
break;
}
} else {
result = X_STATUS_INVALID_HANDLE;
}
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, info); // Information
}
SHIM_SET_RETURN_32(result);
}
struct X_IO_STATUS_BLOCK {
union {
xe::be<uint32_t> status;
xe::be<uint32_t> pointer;
};
xe::be<uint32_t> information;
};
dword_result_t NtQueryInformationFile(
dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block_ptr,
lpvoid_t file_info_ptr, dword_t length, dword_t file_info_class) {
X_STATUS result = X_STATUS_SUCCESS;
uint32_t info = 0;
// Grab file.
auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
if (file) {
switch (file_info_class) {
case XFileInternalInformation:
// Internal unique file pointer. Not sure why anyone would want this.
assert_true(length == 8);
info = 8;
// TODO(benvanik): use pointer to fs:: entry?
xe::store_and_swap<uint64_t>(file_info_ptr,
xe::hash_combine(0, file->path()));
break;
case XFilePositionInformation:
// struct FILE_POSITION_INFORMATION {
// LARGE_INTEGER CurrentByteOffset;
// };
assert_true(length == 8);
info = 8;
xe::store_and_swap<uint64_t>(file_info_ptr, file->position());
break;
case XFileNetworkOpenInformation: {
// struct FILE_NETWORK_OPEN_INFORMATION {
// LARGE_INTEGER CreationTime;
// LARGE_INTEGER LastAccessTime;
// LARGE_INTEGER LastWriteTime;
// LARGE_INTEGER ChangeTime;
// LARGE_INTEGER AllocationSize;
// LARGE_INTEGER EndOfFile;
// ULONG FileAttributes;
// ULONG Unknown;
// };
assert_true(length == 56);
auto file_info = file_info_ptr.as<X_FILE_NETWORK_OPEN_INFORMATION*>();
file_info->creation_time = file->entry()->create_timestamp();
file_info->last_access_time = file->entry()->access_timestamp();
file_info->last_write_time = file->entry()->write_timestamp();
file_info->change_time = file->entry()->write_timestamp();
file_info->allocation_size = file->entry()->allocation_size();
file_info->end_of_file = file->entry()->size();
file_info->attributes = file->entry()->attributes();
info = 56;
break;
}
case XFileXctdCompressionInformation:
assert_true(length == 4);
/*
// This is wrong and puts files into wrong states for games that use
// XctdDecompression.
uint32_t magic;
size_t bytes_read;
result = file->Read(&magic, sizeof(magic), 0, &bytes_read);
if (XSUCCEEDED(result)) {
if (bytes_read == sizeof(magic)) {
info = 4;
SHIM_SET_MEM_32(file_info_ptr, magic == xe::byte_swap(0x0FF512ED) ?
1 : 0);
} else {
result = X_STATUS_UNSUCCESSFUL;
}
}
*/
result = X_STATUS_UNSUCCESSFUL;
break;
case XFileSectorInformation:
// TODO: Return sector this file's on.
assert_true(length == 4);
result = X_STATUS_UNSUCCESSFUL;
info = 0;
break;
default:
// Unsupported, for now.
assert_always();
info = 0;
result = X_STATUS_UNSUCCESSFUL;
break;
}
} else {
result = X_STATUS_INVALID_HANDLE;
}
if (io_status_block_ptr) {
io_status_block_ptr->status = result;
io_status_block_ptr->information = info; // # bytes written
}
return result;
}
DECLARE_XBOXKRNL_EXPORT(NtQueryInformationFile,
ExportTag::kImplemented | ExportTag::kFileSystem);
SHIM_CALL NtQueryFullAttributesFile_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t object_attributes_ptr = SHIM_GET_ARG_32(0);
uint32_t file_info_ptr = SHIM_GET_ARG_32(1);
X_OBJECT_ATTRIBUTES attrs(SHIM_MEM_BASE, object_attributes_ptr);
char* object_name = attrs.object_name.Duplicate();
XELOGD("NtQueryFullAttributesFile(%.8X(%s), %.8X)", object_attributes_ptr,
!object_name ? "(null)" : object_name, file_info_ptr);
X_STATUS result = X_STATUS_NO_SUCH_FILE;
object_ref<XFile> root_file;
if (attrs.root_directory != 0xFFFFFFFD && // ObDosDevices
attrs.root_directory != 0) {
root_file =
kernel_state->object_table()->LookupObject<XFile>(attrs.root_directory);
assert_not_null(root_file);
assert_true(root_file->type() == XObject::Type::kTypeFile);
assert_always();
}
// Resolve the file using the virtual file system.
auto fs = kernel_state->file_system();
auto entry = fs->ResolvePath(object_name);
if (entry) {
// Found.
result = X_STATUS_SUCCESS;
auto file_info =
kernel_memory()->TranslateVirtual<X_FILE_NETWORK_OPEN_INFORMATION*>(
file_info_ptr);
file_info->creation_time = entry->create_timestamp();
file_info->last_access_time = entry->access_timestamp();
file_info->last_write_time = entry->write_timestamp();
file_info->change_time = entry->write_timestamp();
file_info->allocation_size = entry->allocation_size();
file_info->end_of_file = entry->size();
file_info->attributes = entry->attributes();
}
free(object_name);
SHIM_SET_RETURN_32(result);
}
SHIM_CALL NtQueryVolumeInformationFile_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t file_handle = SHIM_GET_ARG_32(0);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(1);
uint32_t fs_info_ptr = SHIM_GET_ARG_32(2);
uint32_t length = SHIM_GET_ARG_32(3);
uint32_t fs_info_class = SHIM_GET_ARG_32(4);
XELOGD("NtQueryVolumeInformationFile(%.8X, %.8X, %.8X, %.8X, %.8X)",
file_handle, io_status_block_ptr, fs_info_ptr, length, fs_info_class);
X_STATUS result = X_STATUS_SUCCESS;
uint32_t info = 0;
// Grab file.
auto file = kernel_state->object_table()->LookupObject<XFile>(file_handle);
if (file) {
switch (fs_info_class) {
case 1: { // FileFsVolumeInformation
// TODO(gibbed): actual value
std::string name = "test";
X_FILE_FS_VOLUME_INFORMATION volume_info = {0};
volume_info.creation_time = 0;
volume_info.serial_number = 12345678;
volume_info.supports_objects = 0;
volume_info.label_length = uint32_t(name.size());
std::memcpy(volume_info.label, name.data(), name.size());
volume_info.Write(SHIM_MEM_BASE, fs_info_ptr);
info = length;
break;
}
case 3: { // FileFsSizeInformation
X_FILE_FS_SIZE_INFORMATION fs_size_info = {0};
fs_size_info.total_allocation_units =
file->device()->total_allocation_units();
fs_size_info.available_allocation_units =
file->device()->available_allocation_units();
fs_size_info.sectors_per_allocation_unit =
file->device()->sectors_per_allocation_unit();
fs_size_info.bytes_per_sector = file->device()->bytes_per_sector();
fs_size_info.Write(SHIM_MEM_BASE, fs_info_ptr);
info = length;
break;
}
case 5: { // FileFsAttributeInformation
// TODO(gibbed): actual value
std::string name = "test";
X_FILE_FS_ATTRIBUTE_INFORMATION fs_attribute_info = {0};
fs_attribute_info.attributes = 0;
fs_attribute_info.maximum_component_name_length = 255;
fs_attribute_info.fs_name_length = uint32_t(name.size());
std::memcpy(fs_attribute_info.fs_name, name.data(), name.size());
fs_attribute_info.Write(SHIM_MEM_BASE, fs_info_ptr);
info = length;
break;
}
case 2: // FileFsLabelInformation
case 4: // FileFsDeviceInformation
case 6: // FileFsControlInformation
case 7: // FileFsFullSizeInformation
case 8: // FileFsObjectIdInformation
default:
// Unsupported, for now.
assert_always();
info = 0;
break;
}
} else {
result = X_STATUS_NO_SUCH_FILE;
}
if (XFAILED(result)) {
info = 0;
}
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, info); // Information
}
SHIM_SET_RETURN_32(result);
}
SHIM_CALL NtQueryDirectoryFile_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t file_handle = SHIM_GET_ARG_32(0);
uint32_t event_handle = SHIM_GET_ARG_32(1);
uint32_t apc_routine = SHIM_GET_ARG_32(2);
uint32_t apc_context = SHIM_GET_ARG_32(3);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(4);
uint32_t file_info_ptr = SHIM_GET_ARG_32(5);
uint32_t length = SHIM_GET_ARG_32(6);
uint32_t file_name_ptr = SHIM_GET_ARG_32(7);
uint32_t restart_scan = SHIM_GET_ARG_32(8);
auto file_name = X_ANSI_STRING::to_string(SHIM_MEM_BASE, file_name_ptr);
XELOGD(
"NtQueryDirectoryFile(%.8X, %.8X, %.8X, %.8X, %.8X, %.8X, %d, %.8X(%s), "
"%d)",
file_handle, event_handle, apc_routine, apc_context, io_status_block_ptr,
file_info_ptr, length, file_name_ptr,
!file_name.empty() ? file_name.c_str() : "(null)", restart_scan);
if (length < 72) {
SHIM_SET_RETURN_32(X_STATUS_INFO_LENGTH_MISMATCH);
return;
}
X_STATUS result = X_STATUS_UNSUCCESSFUL;
uint32_t info = 0;
auto file = kernel_state->object_table()->LookupObject<XFile>(file_handle);
if (file) {
X_FILE_DIRECTORY_INFORMATION dir_info = {0};
result = file->QueryDirectory(
&dir_info, length, !file_name.empty() ? file_name.c_str() : nullptr,
restart_scan != 0);
if (XSUCCEEDED(result)) {
dir_info.Write(SHIM_MEM_BASE, file_info_ptr);
info = length;
}
} else {
result = X_STATUS_NO_SUCH_FILE;
}
if (XFAILED(result)) {
info = 0;
}
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, info); // Information
}
SHIM_SET_RETURN_32(result);
}
SHIM_CALL NtFlushBuffersFile_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t file_handle = SHIM_GET_ARG_32(0);
uint32_t io_status_block_ptr = SHIM_GET_ARG_32(1);
XELOGD("NtFlushBuffersFile(%.8X, %.8X)", file_handle, io_status_block_ptr);
auto result = X_STATUS_SUCCESS;
if (io_status_block_ptr) {
SHIM_SET_MEM_32(io_status_block_ptr, result); // Status
SHIM_SET_MEM_32(io_status_block_ptr + 4, 0); // Information
}
SHIM_SET_RETURN_32(result);
}
dword_result_t FscGetCacheElementCount(dword_t r3) {
return 0;
}
DECLARE_XBOXKRNL_EXPORT(FscGetCacheElementCount, ExportTag::kStub);
SHIM_CALL FscSetCacheElementCount_shim(PPCContext* ppc_context,
KernelState* kernel_state) {
uint32_t unk_0 = SHIM_GET_ARG_32(0);
uint32_t unk_1 = SHIM_GET_ARG_32(1);
// unk_0 = 0
// unk_1 looks like a count? in what units? 256 is a common value
XELOGD("FscSetCacheElementCount(%.8X, %.8X)", unk_0, unk_1);
SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
}
} // namespace kernel
} // namespace xe
void xe::kernel::xboxkrnl::RegisterIoExports(
xe::cpu::ExportResolver* export_resolver, KernelState* kernel_state) {
SHIM_SET_MAPPING("xboxkrnl.exe", NtCreateFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtOpenFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtReadFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtWriteFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtSetInformationFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtQueryFullAttributesFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtQueryVolumeInformationFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtQueryDirectoryFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtFlushBuffersFile, state);
SHIM_SET_MAPPING("xboxkrnl.exe", FscSetCacheElementCount, state);
}
Reference in New Issue View Git Blame Copy Permalink