mirror of
https://github.com/lindbergh-loader/lindbergh-loader.git
synced 2026-10-05 13:18:08 +03:00
386 lines
14 KiB
C
386 lines
14 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include "patch.h"
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#include "config.h"
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#include "hook.h"
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extern cpuvendor cpu_vendor;
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static void setVariable(uint32_t address, uint32_t value)
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{
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int pagesize = sysconf(_SC_PAGE_SIZE);
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uint32_t *variable = (uint32_t *)address;
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void *toModify = (void *)(address - (address % pagesize));
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int prot = mprotect(toModify, pagesize, PROT_EXEC | PROT_WRITE);
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if (prot != 0)
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{
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printf("Error: Cannot unprotect memory region to change variable (%d)\n", prot);
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return;
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}
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*variable = value;
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}
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static void setMem(uint32_t address, uint32_t value, int size)
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{
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int pagesize = sysconf(_SC_PAGE_SIZE);
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uint32_t *variable = (uint32_t *)address;
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void *toModify = (void *)(address - (address % pagesize));
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int prot = mprotect(toModify, pagesize, PROT_EXEC | PROT_WRITE);
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if (prot != 0)
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{
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printf("Error: Cannot unprotect memory region to change variable (%d)\n", prot);
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return;
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}
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memccpy((void *)variable, (void *)value, 1, size);
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}
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static void detourFunction(uint32_t address, void *function)
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{
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int pagesize = sysconf(_SC_PAGE_SIZE);
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void *toModify = (void *)(address - (address % pagesize));
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int prot = mprotect(toModify, pagesize, PROT_EXEC | PROT_WRITE);
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if (prot != 0)
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{
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printf("Error: Cannot detour memory region to change variable (%d)\n", prot);
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return;
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}
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uint32_t jumpAddress = ((uint32_t)function - address) - 5;
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// Build the assembly to make the function jump
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char cave[5] = {0xE9, 0x0, 0x00, 0x00, 0x00};
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cave[4] = (jumpAddress >> (8 * 3)) & 0xFF;
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cave[3] = (jumpAddress >> (8 * 2)) & 0xFF;
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cave[2] = (jumpAddress >> (8 * 1)) & 0xFF;
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cave[1] = (jumpAddress) & 0xFF;
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memcpy((void *)address, cave, 5);
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}
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int stub0()
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{
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return 0;
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}
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int amDongleInit()
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{
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return 0;
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}
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int amDongleIsAvailable()
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{
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return 1;
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}
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int amDongleUpdate()
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{
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return 0;
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}
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void _putConsole(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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while (*format)
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{
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if (*format == '%')
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{
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format++;
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if ((*format == 'd') || (*format == 'n'))
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{
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printf("%d", va_arg(args, int));
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}
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else if (*format == 's')
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{
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printf("%s", va_arg(args, char *));
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}
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else if (*format == 'u')
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{
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printf("%u", va_arg(args, unsigned int));
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}
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else if (*format == '0')
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{
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format++;
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if (*format == '2')
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{
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format++;
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printf("%02X", va_arg(args, int));
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}
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else if (*format == '4')
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{
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format++;
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printf("%04X", va_arg(args, unsigned int));
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}
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}
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else
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{
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printf("\nFormat: %c.\n", *format);
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}
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}
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else
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{
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putchar(*format);
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}
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format++;
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}
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va_end(args);
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printf("\n");
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}
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int initPatch()
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{
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EmulatorConfig *config = getConfig();
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switch (config->game)
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{
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case R_TUNED:
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{
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detourFunction(0x08366846, amDongleInit);
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detourFunction(0x08365301, amDongleIsAvailable);
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detourFunction(0x08365cf7, amDongleUpdate);
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}
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break;
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case SEGA_RACE_TV:
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{
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detourFunction(0x084d5b40, amDongleInit);
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detourFunction(0x084d45f9, amDongleIsAvailable);
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detourFunction(0x084d4fef, amDongleUpdate);
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}
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break;
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case AFTER_BURNER_CLIMAX_REVA:
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{
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setVariable(0x0a0a37e4, 2); // amBackupDebugLevel
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setVariable(0x0a0a3800, 2); // amCreditDebugLevel
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setVariable(0x0a0a3a58, 2); // amDipswDebugLevel
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setVariable(0x0a0a3a5c, 2); // amDongleDebugLevel
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setVariable(0x0a0a3a60, 2); // amEepromDebugLevel
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setVariable(0x0a0a3a64, 2); // amHwmonitorDebugLevel
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setVariable(0x0a0a3a68, 2); // amJvsDebugLevel
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setVariable(0x0a0a3a6c, 2); // amLibDebugLevel
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setVariable(0x0a0a3a70, 2); // amMiscDebugLevel
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setVariable(0x0a0a3a74, 2); // amOsinfoDebugLevel
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setVariable(0x0a0a3a78, 2); // amSysDataDebugLevel
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setVariable(0x0a0a3a80, 2); // bcLibDebugLevel
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detourFunction(0x081e4980, amDongleInit);
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detourFunction(0x081e4cce, amDongleIsAvailable);
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detourFunction(0x081e4bfa, amDongleUpdate);
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}
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break;
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case AFTER_BURNER_CLIMAX_REVB:
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{
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setVariable(0x0a0a0d24, 2); // amBackupDebugLevel
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setVariable(0x0a0a0d40, 2); // amCreditDebugLevel
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setVariable(0x0a0a0f98, 2); // amDipswDebugLevel
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setVariable(0x0a0a0f9c, 2); // amDongleDebugLevel
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setVariable(0x0a0a0fa0, 2); // amEepromDebugLevel
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setVariable(0x0a0a0fa4, 2); // amHwmonitorDebugLevel
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setVariable(0x0a0a0fa8, 2); // amJvsDebugLevel
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setVariable(0x0a0a0fac, 2); // amLibDebugLevel
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setVariable(0x0a0a0fb0, 2); // amMiscDebugLevel
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setVariable(0x0a0a0fb4, 2); // amOsinfoDebugLevel
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setVariable(0x0a0a0fb8, 2); // amSysDataDebugLevel
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setVariable(0x0a0a0fc0, 2); // bcLibDebugLevel
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detourFunction(0x081e3424, amDongleInit);
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detourFunction(0x081e3772, amDongleIsAvailable);
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detourFunction(0x081e369e, amDongleUpdate);
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setVariable(0x081e7945, 0x00000001); // Test
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}
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break;
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case OUTRUN_2_SP_SDX_REVA:
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{
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setVariable(0x0893a24c, 2); // amBackupDebugLevel
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setVariable(0x0893a260, 2); // amCreditDebugLevel
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setVariable(0x0893a4b8, 2); // amDipswDebugLevel
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setVariable(0x0893a4bc, 2); // amDongleDebugLevel
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setVariable(0x0893a4c0, 2); // amEepromDebugLevel
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setVariable(0x0893a4c4, 2); // amHwmonitorDebugLevel
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setVariable(0x0893a4c8, 2); // amJvsDebugLevel
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setVariable(0x0893a4cc, 2); // amLibDebugLevel
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setVariable(0x0893a4d0, 2); // amMiscDebugLevel
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setVariable(0x0893a4d4, 2); // amOsinfoDebugLevel
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setVariable(0x0893a4d8, 2); // amSysDataDebugLevel
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setVariable(0x0893a4e0, 2); // bcLibDebugLevel
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detourFunction(0x08190e80, amDongleInit);
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detourFunction(0x08191201, amDongleIsAvailable);
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detourFunction(0x08191125, amDongleUpdate);
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}
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break;
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case THE_HOUSE_OF_THE_DEAD_4:
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{
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setVariable(0x0a737c60, 2); // amBackupDebugLevel
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setVariable(0x0a737c64, 2); // amChunkDataDebugLevel
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setVariable(0x0a737c80, 2); // amCreditDebugLevel
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setVariable(0x0a737ed8, 2); // amDipswDebugLevel
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setVariable(0x0a737edc, 2); // amDiskDebugLevel
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setVariable(0x0a737ee0, 2); // amDongleDebugLevel
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setVariable(0x0a737ee4, 2); // amEepromDebugLevel
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setVariable(0x0a737ee8, 2); // amHmDebugLevel
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setVariable(0x0a737ef0, 2); // amJvsDebugLevel
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setVariable(0x0a737f14, 2); // amLibDebugLevel
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setVariable(0x0a737f18, 2); // amMiscDebugLevel
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setVariable(0x0a737f1c, 2); // amSysDataDebugLevel
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setVariable(0x0a737f20, 2); // bcLibDebugLevel
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setVariable(0x0a737f24, 0x0FFFFFFF); // s_logMask
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detourFunction(0x08320178, amDongleInit);
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detourFunction(0x08320459, amDongleIsAvailable);
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detourFunction(0x083203c0, amDongleUpdate);
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if (config->amdFix)
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{
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setVariable(0x0837d6aa, cpu_vendor.ebx);
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setVariable(0x0837d6ba, cpu_vendor.edx);
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setVariable(0x0837d6c5, cpu_vendor.ecx);
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}
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}
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break;
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case THE_HOUSE_OF_THE_DEAD_4_TEST:
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{
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detourFunction(0x080677a0, amDongleInit);
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detourFunction(0x08067a81, amDongleIsAvailable);
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detourFunction(0x080679e8, amDongleUpdate);
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if (config->amdFix)
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{
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setVariable(0x0807217a, cpu_vendor.ebx);
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setVariable(0x0807218a, cpu_vendor.edx);
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setVariable(0x08072195, cpu_vendor.ecx);
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}
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}
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break;
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case VIRTUA_FIGHTER_5_REVC:
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{
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detourFunction(0x085c6010, amDongleInit);
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detourFunction(0x085c63cc, amDongleIsAvailable);
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detourFunction(0x085c62f0, amDongleUpdate);
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detourFunction(0x080b3426, stub0); // Stub returns 0
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detourFunction(0x080cb6d4, stub0); // Stub returns 0
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detourFunction(0x0840889e, stub0); // Stub returns 0
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detourFunction(0x0840ab90, stub0); // Stub returns 0
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setVariable(0x080e17af, 0x000000b8); // Patch IDK what
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setVariable(0x080e17b3, 0x01e88300); // Patch IDK what
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}
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break;
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case LETS_GO_JUNGLE:
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{
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setVariable(0x08c083a4, 2); // amBackupDebugLevel
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setVariable(0x08c083c0, 2); // amCreditDebugLevel
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setVariable(0x08c08618, 2); // amDipswDebugLevel
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setVariable(0x08c0861c, 2); // amDongleDebugLevel
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setVariable(0x08c08620, 2); // amEepromDebugLevel
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setVariable(0x08c08624, 2); // amHwmonitorDebugLevel
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setVariable(0x08c08628, 2); // amJvsDebugLevel
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setVariable(0x08c0862c, 2); // amLibDebugLevel
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setVariable(0x08c08630, 2); // amMiscDebugLevel
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setVariable(0x08c08638, 2); // amSysDataDebugLevel
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setVariable(0x08c08640, 2); // bcLibDebugLevel
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setVariable(0x08c08634, 2); // amOsinfoDebugLevel
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setVariable(0x08c08644, 0x0FFFFFFF); // s_logMask
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detourFunction(0x084e50d8, amDongleInit);
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detourFunction(0x084e5459, amDongleIsAvailable);
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detourFunction(0x084e537d, amDongleUpdate);
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detourFunction(0x08074a8c, _putConsole);
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setVariable(0x080d1f02, 0x90909090); // Patch acpSystem::checkDongle
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setVariable(0x080d1f06, 0xE8C3C990); // Patch acpSystem::checkDongle
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setVariable(0x0807b76a, 0xc2839090); // Patch initializeArcadeBackup
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// setVariable(0x082E006b, 0x00000280); // Set ResX
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// setVariable(0x082E0078, 0x000001E0); // Set ResY
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detourFunction(0x084e4efc, stub0); // Stub amDipswInit
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detourFunction(0x084e500e, stub0); // Stub amDipswGetData
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detourFunction(0x084e5086, stub0); // Stub amDipswSetLed
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detourFunction(0x084e4f98, stub0); // Stub amDipswExit
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setVariable(0x0840d858, 0x1c899090); // No more Full Screen from the Game
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if (config->amdFix)
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{
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setVariable(0x083ef701, 0x00036ee9); // AMDFIX
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setVariable(0x084032e0, 0x8b90c933); // fix shader compilation with AMD GPUs
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setVariable(0x08523950, 0x000000c3); // Remove ADXM_SetupFramework (Not necessary)
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}
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}
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break;
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case LETS_GO_JUNGLE_SPECIAL:
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{
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setVariable(0x08c453e4, 2); // amBackupDebugLevel
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setVariable(0x08c45400, 2); // amCreditDebugLevel
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setVariable(0x08c45658, 2); // amDipswDebugLevel
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setVariable(0x08c4565c, 2); // amDongleDebugLevel
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setVariable(0x08c45660, 2); // amEepromDebugLevel
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setVariable(0x08c45664, 2); // amHwmonitorDebugLevel
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setVariable(0x08c45668, 2); // amJvsDebugLevel
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setVariable(0x08c4566c, 2); // amLibDebugLevel
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setVariable(0x08c45670, 2); // amMiscDebugLevel
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setVariable(0x08c45678, 2); // amSysDataDebugLevel
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setVariable(0x08c45680, 2); // bcLibDebugLevel
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setVariable(0x08c45674, 2); // amOsinfoDebugLevel
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setVariable(0x08c45684, 0x0FFFFFFF); // s_logMask
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detourFunction(0x08510320, amDongleInit);
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detourFunction(0x085106dc, amDongleIsAvailable);
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detourFunction(0x08510600, amDongleUpdate);
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detourFunction(0x08075012, _putConsole);
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// setVariable(0x08303C4B, 0x00000780); // Set ResX
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// setVariable(0x08303C58, 0x00000438); // Set ResY
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setVariable(0x080dad63, 0x90909090); // Patch acpSystem::checkDongle
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setVariable(0x080dad67, 0xE8C3C990); // Patch acpSystem::checkDongle
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setVariable(0x0807e609, 0x90909090); // Patch initializeArcadeBackup
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setVariable(0x0807e60D, 0xC2839090); // Patch initializeArcadeBackup
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setVariable(0x087d47f7, 0x62ab8500); // Seat Test??
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setVariable(0x08438954, 0x1c899090); // No more Full Screen from the Game
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}
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break;
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case INITIALD_4:
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{
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setVariable(0x08d71750, 2); // amBackupDebugLevel
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setVariable(0x08d71760, 2); // amCreditDebugLevel
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setVariable(0x08d719b8, 2); // amDipswDebugLevel
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setVariable(0x08d719bc, 2); // amDongleDebugLevel
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setVariable(0x08d719c0, 2); // amEepromDebugLevel
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setVariable(0x08d719c4, 2); // amHwmonitorDebugLevel
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setVariable(0x08d719c8, 2); // amJvsDebugLevel
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setVariable(0x08d719cc, 2); // amLibDebugLevel
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setVariable(0x08d719d0, 2); // amMiscDebugLevel
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setVariable(0x08d719d8, 2); // amSysDataDebugLevel
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setVariable(0x08d719e0, 2); // bcLibDebugLevel
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setVariable(0x08d719d4, 2); // amOsinfoDebugLevel
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setVariable(0x08d719e4, 0x0FFFFFFF); // s_logMask
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detourFunction(0x086e2336, amDongleInit);
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detourFunction(0x086e0d81, amDongleIsAvailable);
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detourFunction(0x086e17e5, amDongleUpdate);
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detourFunction(0x0808f9a8, _putConsole);
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setVariable(0x080dad63, 0x90909090); // Patch acpSystem::checkDongle
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setVariable(0x080dad67, 0xE8C3C990); // Patch acpSystem::checkDongle
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setVariable(0x0807e609, 0x90909090); // Patch initializeArcadeBackup
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setVariable(0x0807e60D, 0xC2839090); // Patch initializeArcadeBackup
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}
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default:
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// Don't do any patches for random games
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break;
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}
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return 0;
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}
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