segatools/mu3hook/dllmain.c

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#include <windows.h>
#include <stdlib.h>
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#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 "mu3hook/config.h"
#include "mu3hook/io4.h"
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#include "mu3hook/mu3-dll.h"
#include "mu3hook/unity.h"
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#include "platform/platform.h"
#include "util/dprintf.h"
static HMODULE mu3_hook_mod;
static process_entry_t mu3_startup;
static struct mu3_hook_config mu3_hook_cfg;
static DWORD CALLBACK mu3_pre_startup(void)
{
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HRESULT hr;
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dprintf("--- Begin mu3_pre_startup ---\n");
/* Load config */
mu3_hook_config_load(&mu3_hook_cfg, L".\\segatools.ini");
/* Hook Win32 APIs */
gfx_hook_init(&mu3_hook_cfg.gfx, mu3_hook_mod);
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serial_hook_init();
/* Initialize emulation hooks */
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hr = platform_hook_init(
&mu3_hook_cfg.platform,
"SDDT",
"ACA1",
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mu3_hook_mod);
if (FAILED(hr)) {
goto fail;
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}
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hr = sg_reader_hook_init(&mu3_hook_cfg.aime, 1, mu3_hook_mod);
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if (FAILED(hr)) {
goto fail;
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}
hr = vfd_hook_init(2);
if (FAILED(hr)) {
goto fail;
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}
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hr = mu3_dll_init(&mu3_hook_cfg.dll, mu3_hook_mod);
if (FAILED(hr)) {
goto fail;
}
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hr = mu3_io4_hook_init();
if (FAILED(hr)) {
goto fail;
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}
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/* Initialize Unity native plugin DLL hooks
There seems to be an issue with other DLL hooks if `LoadLibraryW` is
hooked earlier in the `mu3hook` initialization. */
unity_hook_init();
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/* Initialize debug helpers */
spike_hook_init(L".\\segatools.ini");
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dprintf("--- End mu3_pre_startup ---\n");
/* Jump to EXE start address */
return mu3_startup();
fail:
ExitProcess(EXIT_FAILURE);
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}
BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
{
HRESULT hr;
if (cause != DLL_PROCESS_ATTACH) {
return TRUE;
}
mu3_hook_mod = mod;
hr = process_hijack_startup(mu3_pre_startup, &mu3_startup);
if (!SUCCEEDED(hr)) {
dprintf("Failed to hijack process startup: %x\n", (int) hr);
}
return SUCCEEDED(hr);
}