mirror of
https://gitea.tendokyu.moe/Dniel97/segatools.git
synced 2024-11-24 05:20:10 +01:00
LED board done
This commit is contained in:
Hay1tsme
parent
cc0f8dc595
commit
8702cc9e99
@ -20,24 +20,11 @@
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/* Hooks targeted DLLs dynamically loaded by elisabeth. */
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static void dll_hook_insert_hooks(HMODULE target);
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static HMODULE WINAPI my_LoadLibraryW(const wchar_t *name);
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static HMODULE (WINAPI *next_LoadLibraryW)(const wchar_t *name);
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static FARPROC WINAPI my_GetProcAddress(HMODULE hModule, const char *name);
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static FARPROC (WINAPI *next_GetProcAddress)(HMODULE hModule, const char *name);
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static HRESULT elisabeth_handle_irp(struct irp *irp);
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static HRESULT elisabeth_handle_irp_locked(struct irp *irp);
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static CRITICAL_SECTION elisabeth_lock;
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static struct uart elisabeth_uart;
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static uint8_t elisabeth_written_bytes[520];
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static uint8_t elisabeth_readable_bytes[520];
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static int my_USBIntLED_Init();
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static const struct hook_symbol win32_hooks[] = {
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{
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.name = "LoadLibraryW",
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.patch = my_LoadLibraryW,
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.link = (void **) &next_LoadLibraryW,
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},
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{
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.name = "GetProcAddress",
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.patch = my_GetProcAddress,
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@ -45,90 +32,9 @@ static const struct hook_symbol win32_hooks[] = {
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}
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};
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static const wchar_t *target_modules[] = {
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L"USBIntLED.DLL"
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};
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static const size_t target_modules_len = _countof(target_modules);
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HRESULT elisabeth_hook_init()
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{
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dll_hook_insert_hooks(NULL);
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setupapi_add_phantom_dev(&elisabeth_guid, L"$ftdi");
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InitializeCriticalSection(&elisabeth_lock);
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uart_init(&elisabeth_uart, 1);
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elisabeth_uart.written.bytes = elisabeth_written_bytes;
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elisabeth_uart.written.nbytes = sizeof(elisabeth_written_bytes);
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elisabeth_uart.readable.bytes = elisabeth_readable_bytes;
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elisabeth_uart.readable.nbytes = sizeof(elisabeth_readable_bytes);
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return iohook_push_handler(elisabeth_handle_irp);
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}
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static HRESULT elisabeth_handle_irp(struct irp *irp)
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{
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HRESULT hr;
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assert(irp != NULL);
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if (!uart_match_irp(&elisabeth_uart, irp)) {
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return iohook_invoke_next(irp);
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}
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EnterCriticalSection(&elisabeth_lock);
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hr = elisabeth_handle_irp_locked(irp);
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LeaveCriticalSection(&elisabeth_lock);
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return hr;
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}
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static HRESULT elisabeth_handle_irp_locked(struct irp *irp)
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{
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//union elisabeth_req_any req;
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struct iobuf req_iobuf;
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HRESULT hr;
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if (irp->op == IRP_OP_OPEN) {
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dprintf("Elisabeth: Starting backend\n");
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hr = mercury_dll.elisabeth_init();
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if (FAILED(hr)) {
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dprintf("Elisabeth: Backend error: %x\n", (int) hr);
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return hr;
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}
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}
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hr = uart_handle_irp(&elisabeth_uart, irp);
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if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
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return hr;
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}
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for (;;) {
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//req_iobuf.bytes = req.bytes;
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//req_iobuf.nbytes = sizeof(req.bytes);
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//req_iobuf.pos = 0;
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/*hr = elisabeth_frame_decode(&req_iobuf, &elisabeth_uart.written);
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if (hr != S_OK) {
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if (FAILED(hr)) {
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dprintf("Elisabeth: Deframe error: %x\n", (int) hr);
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}
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return hr;
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}
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hr = elisabeth_req_dispatch(&req);
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if (FAILED(hr)) {
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dprintf("Elisabeth: Processing error: %x\n", (int) hr);
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}*/
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}
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}
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static void dll_hook_insert_hooks(HMODULE target)
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@ -140,58 +46,6 @@ static void dll_hook_insert_hooks(HMODULE target)
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_countof(win32_hooks));
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}
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static HMODULE WINAPI my_LoadLibraryW(const wchar_t *name)
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{
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const wchar_t *name_end;
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const wchar_t *target_module;
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bool already_loaded;
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HMODULE result;
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size_t name_len;
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size_t target_module_len;
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if (name == NULL) {
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SetLastError(ERROR_INVALID_PARAMETER);
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return NULL;
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}
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// Check if the module is already loaded
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already_loaded = GetModuleHandleW(name) != NULL;
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// Must call the next handler so the DLL reference count is incremented
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result = next_LoadLibraryW(name);
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if (!already_loaded && result != NULL) {
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name_len = wcslen(name);
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for (size_t i = 0; i < target_modules_len; i++) {
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target_module = target_modules[i];
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target_module_len = wcslen(target_module);
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// Check if the newly loaded library is at least the length of
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// the name of the target module
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if (name_len < target_module_len) {
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continue;
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}
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name_end = &name[name_len - target_module_len];
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// Check if the name of the newly loaded library is one of the
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// modules the path hooks should be injected into
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if (_wcsicmp(name_end, target_module) != 0) {
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continue;
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}
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dprintf("Elisabeth: Loaded %S\n", target_module);
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dll_hook_insert_hooks(result);
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setupapi_hook_insert_hooks(result);
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}
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}
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return result;
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}
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FARPROC WINAPI my_GetProcAddress(HMODULE hModule, const char *name)
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{
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uintptr_t ordinal = (uintptr_t) name;
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@ -200,8 +54,17 @@ FARPROC WINAPI my_GetProcAddress(HMODULE hModule, const char *name)
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if (ordinal > 0xFFFF) {
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/* Import by name */
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//dprintf("Elisabeth: GetProcAddress %s is %p\n", name, result);
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if (strcmp(name, "USBIntLED_Init") == 0) {
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result = my_USBIntLED_Init;
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}
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}
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return result;
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}
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/* Intercept the call to initialize the LED board. */
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static int my_USBIntLED_Init()
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{
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dprintf("Elisabeth: my_USBIntLED_Init hit!\n");
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return 1;
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}
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@ -1,11 +1,3 @@
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#pragma once
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#include <initguid.h>
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DEFINE_GUID(
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elisabeth_guid,
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0x219D0508,
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0x57A8,
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0x4FF5,
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0x97, 0x0A1, 0x0BD, 0x86, 0x58, 0x7C, 0x6C, 0x7E);
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HRESULT elisabeth_hook_init();
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@ -22,8 +22,8 @@ const struct dll_bind_sym mercury_dll_syms[] = {
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.sym = "mercury_io_get_gamebtns",
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.off = offsetof(struct mercury_dll, get_gamebtns),
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}, {
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.sym = "mercury_io_elisabeth_init",
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.off = offsetof(struct mercury_dll, elisabeth_init),
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.sym = "mercury_io_touch_init",
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.off = offsetof(struct mercury_dll, touch_init),
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}
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};
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@ -10,7 +10,7 @@ struct mercury_dll {
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HRESULT (*poll)(void);
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void (*get_opbtns)(uint8_t *opbtn);
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void (*get_gamebtns)(uint16_t *player1, uint16_t *player2);
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HRESULT (*elisabeth_init)(void);
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HRESULT (*touch_init)(void);
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};
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struct mercury_dll_config {
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@ -15,6 +15,6 @@ EXPORTS
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mercury_io_get_api_version
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mercury_io_get_gamebtns
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mercury_io_get_opbtns
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mercury_io_elisabeth_init
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mercury_io_touch_init
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mercury_io_init
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mercury_io_poll
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@ -48,7 +48,7 @@ void mercury_io_get_gamebtns(uint16_t *player1, uint16_t *player2)
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}
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HRESULT mercury_io_elisabeth_init(void)
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HRESULT mercury_io_touch_init(void)
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{
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return S_OK;
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}
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@ -66,4 +66,4 @@ void mercury_io_get_opbtns(uint8_t *opbtn);
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void mercury_io_get_gamebtns(uint16_t *player1, uint16_t *player2);
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HRESULT mercury_io_elisabeth_init(void);
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HRESULT mercury_io_touch_init(void);
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