segatools/mercuryhook/dllmain.c

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2021-12-21 05:02:17 +00:00
#include <windows.h>
#include "board/io4.h"
#include "board/sg-reader.h"
#include "board/vfd.h"
#include "hook/process.h"
#include "hooklib/serial.h"
#include "hooklib/spike.h"
#include "mercuryhook/config.h"
#include "mercuryhook/io4.h"
#include "mercuryhook/mercury-dll.h"
#include "platform/platform.h"
#include "util/dprintf.h"
static HMODULE mercury_hook_mod;
static process_entry_t mercury_startup;
static struct mercury_hook_config mercury_hook_cfg;
/* This hook is based on mu3hook, with leaked mercuryhook i/o codes. */
static DWORD CALLBACK mercury_pre_startup(void)
{
HRESULT hr;
dprintf("--- Begin mercury_pre_startup ---\n");
/* Load config */
mercury_hook_config_load(&mercury_hook_cfg, L".\\segatools.ini");
/* Hook Win32 APIs */
dvd_hook_init(&mercury_hook_cfg.dvd, mercury_hook_mod);
gfx_hook_init(&mercury_hook_cfg.gfx, mercury_hook_mod);
serial_hook_init();
/* Initialize emulation hooks */
hr = platform_hook_init(
&mercury_hook_cfg.platform,
"SDFE",
"ACA1",
mercury_hook_mod);
if (FAILED(hr)) {
goto fail;
}
hr = sg_reader_hook_init(&mercury_hook_cfg.aime, 1, mercury_hook_mod);
if (FAILED(hr)) {
goto fail;
}
hr = vfd_hook_init(2);
if (FAILED(hr)) {
goto fail;
}
hr = mercury_dll_init(&mercury_hook_cfg.dll, mercury_hook_mod);
if (FAILED(hr)) {
goto fail;
}
hr = mercury_io4_hook_init(&mercury_hook_cfg.io4);
if (FAILED(hr)) {
goto fail;
}
/* Initialize debug helpers */
spike_hook_init(L".\\segatools.ini");
dprintf("--- End mercury_pre_startup ---\n");
/* Jump to EXE start address */
return mercury_startup();
fail:
ExitProcess(EXIT_FAILURE);
}
BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
{
HRESULT hr;
if (cause != DLL_PROCESS_ATTACH) {
return TRUE;
}
mercury_hook_mod = mod;
hr = process_hijack_startup(mercury_pre_startup, &mercury_startup);
if (!SUCCEEDED(hr)) {
dprintf("Failed to hijack process startup: %x\n", (int) hr);
}
return SUCCEEDED(hr);
}