/* Get a pointer to a register based on its name */
unsigned int *exceptionGetReg(const char *reg)
{
static unsigned int modaddr = 0;
if(g_currex == NULL)
{
return NULL;
}
if(strcmp(reg, "epc") == 0)
{
return &g_currex->regs.epc;
}
else if(strcmp(reg, "fsr") == 0)
{
return &g_currex->regs.fsr;
}
else if(strcmp(reg, "mod") == 0)
{
SceModule *pMod;
SceKernelModuleInfo mod;
modaddr = 0;
pMod = sceKernelFindModuleByAddress(g_currex->regs.epc);
if(pMod)
{
memset(&mod, 0, sizeof(mod));
mod.size = sizeof(mod);
enable_kprintf(0);
if(!g_QueryModuleInfo(pMod->modid, &mod))
{
modaddr = mod.text_addr;
}
enable_kprintf(1);
}
return &modaddr;
}
else
{
int reg_loop;
for(reg_loop = 0; reg_loop < 32; reg_loop++)
{
if(strcmp(regName[reg_loop], reg) == 0)
{
return &g_currex->regs.r[reg_loop];
}
}
}
return NULL;
}
void initialise(SceSize args, void *argp)
{
struct ConfigContext ctx;
const char *init_dir = "host0:/";
int (*g_sceUmdActivate)(int, const char *);
int argc;
char *argv[MAX_ARGS];
memset(&g_context, 0, sizeof(g_context));
map_firmwarerev();
exceptionInit();
g_context.thevent = -1;
parse_sceargs(args, argp, &argc, argv);
if(argc > 0)
{
char *lastdir;
g_context.bootfile = argv[0];
lastdir = strrchr(argv[0], '/');
if(lastdir != NULL)
{
memcpy(g_context.bootpath, argv[0], lastdir - argv[0] + 1);
}
}
configLoad(g_context.bootpath, &ctx);
if(ctx.pid)
{
g_context.pid = ctx.pid;
}
else
{
g_context.pid = HOSTFSDRIVER_PID;
}
ttyInit();
init_usbhost(g_context.bootpath);
#if _PSP_FW_VERSION >= 200
if(argc > 1)
{
init_dir = argv[1];
}
#else
{
struct SavedContext *save = (struct SavedContext *) SAVED_ADDR;
if(save->magic == SAVED_MAGIC)
{
init_dir = save->currdir;
save->magic = 0;
g_context.rebootkey = save->rebootkey;
}
}
#endif
if(shellInit(init_dir) < 0)
{
sceKernelExitGame();
}
g_sceUmdActivate = (void*) libsFindExportByNid(refer_module_by_name("sceUmd_driver", NULL),
"sceUmdUser", 0xC6183D47);
if(g_sceUmdActivate)
{
g_sceUmdActivate(1, "disc0:");
}
/* Hook sceKernelExitGame */
apiHookByNid(refer_module_by_name("sceLoadExec", NULL), "LoadExecForUser", 0x05572A5F, exit_reset);
unload_loader();
psplinkPatchException();
if(ctx.enableuser)
{
load_psplink_user(g_context.bootpath);
}
g_context.resetonexit = ctx.resetonexit;
sceKernelRegisterDebugPutchar(NULL);
enable_kprintf(1);
debugHwInit();
modLoad(g_context.bootpath);
}