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[XAM] Split enum exports to a new file.

This commit is contained in:
gibbed 2020-11-23 05:22:59 -06:00 committed by Rick Gibbed
parent af61a97647
commit 42b1427087
4 changed files with 123 additions and 85 deletions
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121
src/xenia/kernel/xam/xam_enum.cc Normal file
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@ -0,0 +1,121 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2020 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/string_util.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/kernel/user_module.h"
#include "xenia/kernel/util/shim_utils.h"
#include "xenia/kernel/xam/xam_module.h"
#include "xenia/kernel/xam/xam_private.h"
#include "xenia/kernel/xenumerator.h"
#include "xenia/kernel/xthread.h"
#include "xenia/xbox.h"
#if XE_PLATFORM_WIN32
#include "xenia/base/platform_win.h"
#endif
#include "third_party/fmt/include/fmt/format.h"
namespace xe {
namespace kernel {
namespace xam {
// https://github.com/LestaD/SourceEngine2007/blob/master/se2007/engine/xboxsystem.cpp#L518
dword_result_t XamEnumerate(dword_t handle, dword_t flags, lpvoid_t buffer,
dword_t buffer_length, lpdword_t items_returned,
pointer_t<XAM_OVERLAPPED> overlapped) {
assert_true(flags == 0);
auto e = kernel_state()->object_table()->LookupObject<XEnumerator>(handle);
if (!e) {
if (overlapped) {
kernel_state()->CompleteOverlappedImmediateEx(
overlapped, X_ERROR_INVALID_HANDLE, X_ERROR_INVALID_HANDLE, 0);
return X_ERROR_IO_PENDING;
} else {
return X_ERROR_INVALID_HANDLE;
}
}
size_t actual_buffer_length = (uint32_t)buffer_length;
if (buffer_length == e->items_per_enumerate()) {
actual_buffer_length = e->item_size() * e->items_per_enumerate();
// Known culprits:
// Final Fight: Double Impact (saves)
XELOGW(
"Broken usage of XamEnumerate! buffer length={:X} vs actual "
"length={:X} "
"(item size={:X}, items per enumerate={})",
(uint32_t)buffer_length, actual_buffer_length, e->item_size(),
e->items_per_enumerate());
}
buffer.Zero(actual_buffer_length);
X_RESULT result;
uint32_t item_count = 0;
if (actual_buffer_length < e->item_size()) {
result = X_ERROR_INSUFFICIENT_BUFFER;
} else if (e->current_item() >= e->item_count()) {
result = X_ERROR_NO_MORE_FILES;
} else {
auto item_buffer = buffer.as<uint8_t*>();
auto max_items = actual_buffer_length / e->item_size();
while (max_items--) {
if (!e->WriteItem(item_buffer)) {
break;
}
item_buffer += e->item_size();
item_count++;
}
result = X_ERROR_SUCCESS;
}
if (items_returned) {
assert_true(!overlapped);
*items_returned = result == X_ERROR_SUCCESS ? item_count : 0;
return result;
} else if (overlapped) {
assert_true(!items_returned);
kernel_state()->CompleteOverlappedImmediateEx(
overlapped,
result == X_ERROR_SUCCESS ? X_ERROR_SUCCESS : X_ERROR_FUNCTION_FAILED,
X_HRESULT_FROM_WIN32(result),
result == X_ERROR_SUCCESS ? item_count : 0);
return X_ERROR_IO_PENDING;
} else {
assert_always();
return X_ERROR_INVALID_PARAMETER;
}
}
DECLARE_XAM_EXPORT1(XamEnumerate, kNone, kImplemented);
dword_result_t XamCreateEnumeratorHandle(unknown_t unk1, unknown_t unk2,
unknown_t unk3, unknown_t unk4,
unknown_t unk5, unknown_t unk6,
unknown_t unk7, unknown_t unk8) {
return X_ERROR_INVALID_PARAMETER;
}
DECLARE_XAM_EXPORT1(XamCreateEnumeratorHandle, kNone, kStub);
dword_result_t XamGetPrivateEnumStructureFromHandle(unknown_t unk1,
unknown_t unk2) {
return X_ERROR_INVALID_PARAMETER;
}
DECLARE_XAM_EXPORT1(XamGetPrivateEnumStructureFromHandle, kNone, kStub);
void RegisterEnumExports(xe::cpu::ExportResolver* export_resolver,
KernelState* kernel_state) {}
} // namespace xam
} // namespace kernel
} // namespace xe

85
src/xenia/kernel/xam/xam_info.cc
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@ -337,91 +337,6 @@ dword_result_t XamFree(lpdword_t ptr) {
}
DECLARE_XAM_EXPORT1(XamFree, kMemory, kImplemented);
// https://github.com/LestaD/SourceEngine2007/blob/master/se2007/engine/xboxsystem.cpp#L518
dword_result_t XamEnumerate(dword_t handle, dword_t flags, lpvoid_t buffer,
dword_t buffer_length, lpdword_t items_returned,
pointer_t<XAM_OVERLAPPED> overlapped) {
assert_true(flags == 0);
auto e = kernel_state()->object_table()->LookupObject<XEnumerator>(handle);
if (!e) {
if (overlapped) {
kernel_state()->CompleteOverlappedImmediateEx(
overlapped, X_ERROR_INVALID_HANDLE, X_ERROR_INVALID_HANDLE, 0);
return X_ERROR_IO_PENDING;
} else {
return X_ERROR_INVALID_HANDLE;
}
}
size_t actual_buffer_length = (uint32_t)buffer_length;
if (buffer_length == e->items_per_enumerate()) {
actual_buffer_length = e->item_size() * e->items_per_enumerate();
// Known culprits:
// Final Fight: Double Impact (saves)
XELOGW(
"Broken usage of XamEnumerate! buffer length={:X} vs actual "
"length={:X} "
"(item size={:X}, items per enumerate={})",
(uint32_t)buffer_length, actual_buffer_length, e->item_size(),
e->items_per_enumerate());
}
buffer.Zero(actual_buffer_length);
X_RESULT result;
uint32_t item_count = 0;
if (actual_buffer_length < e->item_size()) {
result = X_ERROR_INSUFFICIENT_BUFFER;
} else if (e->current_item() >= e->item_count()) {
result = X_ERROR_NO_MORE_FILES;
} else {
auto item_buffer = buffer.as<uint8_t*>();
auto max_items = actual_buffer_length / e->item_size();
while (max_items--) {
if (!e->WriteItem(item_buffer)) {
break;
}
item_buffer += e->item_size();
item_count++;
}
result = X_ERROR_SUCCESS;
}
if (items_returned) {
assert_true(!overlapped);
*items_returned = result == X_ERROR_SUCCESS ? item_count : 0;
return result;
} else if (overlapped) {
assert_true(!items_returned);
kernel_state()->CompleteOverlappedImmediateEx(
overlapped,
result == X_ERROR_SUCCESS ? X_ERROR_SUCCESS : X_ERROR_FUNCTION_FAILED,
X_HRESULT_FROM_WIN32(result),
result == X_ERROR_SUCCESS ? item_count : 0);
return X_ERROR_IO_PENDING;
} else {
assert_always();
return X_ERROR_INVALID_PARAMETER;
}
}
DECLARE_XAM_EXPORT1(XamEnumerate, kNone, kImplemented);
dword_result_t XamCreateEnumeratorHandle(unknown_t unk1, unknown_t unk2,
unknown_t unk3, unknown_t unk4,
unknown_t unk5, unknown_t unk6,
unknown_t unk7, unknown_t unk8) {
return X_ERROR_INVALID_PARAMETER;
}
DECLARE_XAM_EXPORT1(XamCreateEnumeratorHandle, kNone, kStub);
dword_result_t XamGetPrivateEnumStructureFromHandle(unknown_t unk1,
unknown_t unk2) {
return X_ERROR_INVALID_PARAMETER;
}
DECLARE_XAM_EXPORT1(XamGetPrivateEnumStructureFromHandle, kNone, kStub);
dword_result_t XamQueryLiveHiveW(lpu16string_t name, lpvoid_t out_buf,
dword_t out_size, dword_t type /* guess */) {
return X_STATUS_INVALID_PARAMETER_1;

1
src/xenia/kernel/xam/xam_module.cc
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@ -30,6 +30,7 @@ XamModule::XamModule(Emulator* emulator, KernelState* kernel_state)
// Register all exported functions.
RegisterAvatarExports(export_resolver_, kernel_state_);
RegisterContentExports(export_resolver_, kernel_state_);
RegisterEnumExports(export_resolver_, kernel_state_);
RegisterInfoExports(export_resolver_, kernel_state_);
RegisterInputExports(export_resolver_, kernel_state_);
RegisterLocaleExports(export_resolver_, kernel_state_);

1
src/xenia/kernel/xam/xam_private.h
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@ -28,6 +28,7 @@ xe::cpu::Export* RegisterExport_xam(xe::cpu::Export* export_entry);
KernelState* kernel_state)
DECLARE_REGISTER_EXPORTS(Avatar);
DECLARE_REGISTER_EXPORTS(Content);
DECLARE_REGISTER_EXPORTS(Enum);
DECLARE_REGISTER_EXPORTS(Info);
DECLARE_REGISTER_EXPORTS(Input);
DECLARE_REGISTER_EXPORTS(Locale);