Lightemerald/windows-user-space-emulator
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momo5502
2025-05-17 20:27:56 +02:00
parent bd4e27469f
commit 153fcc3691
3 changed files with 53 additions and 1 deletions
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2
src/common/platform/status.hpp
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@@ -23,7 +23,6 @@ using NTSTATUS = std::uint32_t;
#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
#define STATUS_WAIT_1 ((NTSTATUS)0x00000001L)
#define STATUS_UNSUCCESSFUL ((NTSTATUS)0x00000001L)
#define STATUS_ALERTED ((NTSTATUS)0x00000101L)
#define STATUS_OBJECT_NAME_EXISTS ((NTSTATUS)0x40000000L)
@@ -31,6 +30,7 @@ using NTSTATUS = std::uint32_t;
#define STATUS_NO_MORE_FILES ((NTSTATUS)0x80000006L)
#define STATUS_NO_MORE_ENTRIES ((NTSTATUS)0x8000001AL)
#define STATUS_UNSUCCESSFUL ((NTSTATUS)0xC0000001L)
#define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L)
#define STATUS_ACCESS_DENIED ((NTSTATUS)0xC0000022L)
#define STATUS_BUFFER_TOO_SMALL ((NTSTATUS)0xC0000023L)

10
src/common/platform/window.hpp
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@@ -41,4 +41,14 @@ struct msg
#endif
};
struct EMU_DISPLAY_DEVICEW
{
DWORD cb;
char16_t DeviceName[32];
char16_t DeviceString[128];
DWORD StateFlags;
char16_t DeviceID[128];
char16_t DeviceKey[128];
};
// NOLINTEND(modernize-use-using,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)

42
src/windows-emulator/syscalls.cpp
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@@ -803,6 +803,47 @@ namespace syscalls
return FALSE;
}
template <size_t Size>
static void copy_string(char16_t (&array)[Size], const std::u16string_view str)
{
if constexpr (Size == 0)
{
return;
}
const auto size = std::min(Size, str.size());
memcpy(array, str.data(), size * 2);
array[std::min(Size - 1, size)] = 0;
}
NTSTATUS handle_NtUserEnumDisplayDevices(const syscall_context& /*c*/,
const emulator_object<UNICODE_STRING<EmulatorTraits<Emu64>>> str_device,
const DWORD dev_num,
const emulator_object<EMU_DISPLAY_DEVICEW> display_device,
const DWORD /*flags*/)
{
if (str_device && dev_num != 0)
{
return STATUS_UNSUCCESSFUL;
}
if (dev_num > 0)
{
return STATUS_UNSUCCESSFUL;
}
display_device.access([&](EMU_DISPLAY_DEVICEW& dev) {
dev.StateFlags = 0;
copy_string(dev.DeviceName, u"\\\\.\\DISPLAY1");
copy_string(dev.DeviceID, u"PCI\\VEN_10DE&DEV_0000&SUBSYS_00000000&REV_A1");
copy_string(dev.DeviceString, u"Emulator Display");
copy_string(dev.DeviceKey, u"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Video\\{00000001-"
u"0002-0003-0004-000000000005}\\0001");
});
return STATUS_SUCCESS;
}
}
void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& handler_mapping)
@@ -973,6 +1014,7 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtUserSetProcessDpiAwarenessContext);
add_handler(NtUserGetRawInputDeviceList);
add_handler(NtUserGetKeyboardType);
add_handler(NtUserEnumDisplayDevices);
#undef add_handler
}