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pcsx2/pcsx2hostfs/ee/ps2link.c

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/*********************************************************************
* Copyright (C) 2003 Tord Lindstrom (pukko@home.se)
* Copyright (C) 2003,2004 adresd (adresd_ps2dev@yahoo.com)
* This file is subject to the terms and conditions of the PS2Link License.
* See the file LICENSE in the main directory of this distribution for more
* details.
*/
#include <tamtypes.h>
#include <kernel.h>
#include <sifrpc.h>
#include <iopheap.h>
#include <loadfile.h>
#include <iopcontrol.h>
#include <fileio.h>
#include <malloc.h>
#include <string.h>
#include "debug.h"
#include "hostlink.h"
#include "excepHandler.h"
#include "stdio.h"
#include <sbv_patches.h>
#define WELCOME_STRING "Welcome to pcsx2hostfs v1.52\n"
#ifdef DEBUG
#define dbgprintf(args...) printf(args)
#define dbgscr_printf(args...) scr_printf(args)
#else
#define dbgprintf(args...) do { } while(0)
#define dbgscr_printf(args...) do { } while(0)
#endif
//#define BGCOLOR ((volatile unsigned long*)0x120000e0)
//#define GS_SET_BGCOLOR(R,G,B) *BGCOLOR = ((u64)(R)<< 0) | ((u64)(G)<< 8) | ((u64)(B)<< 16)
#define IRX_BUFFER_BASE 0x1F80000
int irx_buffer_addr = 0;
////////////////////////////////////////////////////////////////////////
// Globals
extern int userThreadID;
// Argv name+path & just path
char elfName[256] __attribute__((aligned(16)));
char elfPath[256];
#ifndef BUILTIN_IRXS
char ioptrap_path[PKO_MAX_PATH];
char pcsx2hostfs_path[PKO_MAX_PATH];
void *ioptrap_mod = NULL, *pcsx2hostfs_mod = NULL;
int ioptrap_size = 0, pcsx2hostfs_size = 0;
#else
extern unsigned char _binary_ioptrap_irx_start[], _binary_pcsx2hostfs_irx_start[];
extern unsigned char _binary_ioptrap_irx_end[], _binary_pcsx2hostfs_irx_end[];
static unsigned int _binary_ioptrap_irx_size, _binary_pcsx2hostfs_irx_size;
#endif
char *imgcmd = "rom0:UDNL rom0:EELOADCNF";
// Flags for which type of boot
#define B_CD 1
#define B_MC 2
#define B_HOST 3
#define B_CC 4
#define B_UNKN 5
int boot;
////////////////////////////////////////////////////////////////////////
// Prototypes
static void loadModules(void);
static void pkoLoadModule(char *path, int argc, char *argv);
static void getIpConfig(void);
extern int pkoExecEE(pko_pkt_execee_req *cmd);
////////////////////////////////////////////////////////////////////////
#define IPCONF_MAX_LEN 1024
char if_conf[IPCONF_MAX_LEN] = "";
char fExtraConfig[256];
int load_extra_conf = 0;
int if_conf_len = 0;
char ip[16] __attribute__((aligned(16))) = "192.168.0.10";
char netmask[16] __attribute__((aligned(16))) = "255.255.255.0";
char gw[16] __attribute__((aligned(16))) = "192.168.0.1";
////////////////////////////////////////////////////////////////////////
// Parse network configuration from IPCONFIG.DAT
// Note: parsing really should be made more robust...
static int getBufferValue(char* result, char* buffer, u32 buffer_size, char* field)
{
u32 len = strlen(field);
u32 i = 0;
s32 j = 0;
char* start = 0;
char* end = 0;
while(strncmp(&buffer[i], field, len) != 0)
{
i++;
if(i == buffer_size) return -1;
}
// Look for # comment
j = i;
while((j > 0) && (buffer[j] != '\n') && (buffer[j] !='\r'))
{
j--;
if(buffer[j] == '#')
return -2;
}
while(buffer[i] != '=')
{
i++;
if(i == buffer_size) return -3;
}
i++;
while(buffer[i] == ' ')
{
i++;
if(i == buffer_size) return -4;
}
i++;
if((buffer[i] != '\r') && (buffer[i] != '\n') && (buffer[i] != ';'))
{
start = &buffer[i];
}
else
{
return -5;
}
while(buffer[i] != ';')
{
i++;
if(i == buffer_size) return -5;
}
end = &buffer[i];
len = end - start;
if(len > 256) return -6;
strncpy(result, start, len);
return 0;
}
static void
getIpConfig(void)
{
int fd;
int i;
int t;
int len;
char c;
char buf[IPCONF_MAX_LEN+256];
static char path[256];
if (boot == B_CD) {
sprintf(path, "%s%s;1", elfPath, "IPCONFIG.DAT");
}
else if (boot == B_CC) {
strcpy(path, "mc0:/BOOT/IPCONFIG.DAT");
}
else {
sprintf(path, "%s%s", elfPath, "IPCONFIG.DAT");
}
fd = fioOpen(path, O_RDONLY);
if (fd < 0)
{
scr_printf("Could not find IPCONFIG.DAT, using defaults\n"
"Net config: %s %s %s\n", ip, netmask, gw);
// Set defaults
memset(if_conf, 0x00, IPCONF_MAX_LEN);
i = 0;
strncpy(&if_conf[i], ip, 15);
i += strlen(ip) + 1;
strncpy(&if_conf[i], netmask, 15);
i += strlen(netmask) + 1;
strncpy(&if_conf[i], gw, 15);
i += strlen(gw) + 1;
if_conf_len = i;
dbgscr_printf("conf len %d\n", if_conf_len);
return;
}
memset(if_conf, 0x00, IPCONF_MAX_LEN);
memset(buf, 0x00, IPCONF_MAX_LEN+256);
len = fioRead(fd, buf, IPCONF_MAX_LEN + 256 - 1); // Let the last byte be '\0'
fioClose(fd);
if (len < 0) {
dbgprintf("Error reading ipconfig.dat\n");
return;
}
dbgscr_printf("ipconfig: Read %d bytes\n", len);
i = 0;
// Clear out spaces (and potential ending CR/LF)
while ((c = buf[i]) != '\0') {
if ((c == ' ') || (c == '\r') || (c == '\n'))
buf[i] = '\0';
i++;
}
scr_printf("Net config: ");
for (t = 0, i = 0; t < 3; t++) {
strncpy(&if_conf[i], &buf[i], 15);
scr_printf("%s ", &if_conf[i]);
i += strlen(&if_conf[i]) + 1;
}
scr_printf("\n");
// get extra config filename
#ifndef USE_CACHED_CFG
if(getBufferValue(fExtraConfig, buf, len, "EXTRACNF") == 0)
{
scr_printf("extra conf: %s\n", fExtraConfig);
load_extra_conf = 1;
}
else
{
load_extra_conf = 0;
}
#else
load_extra_conf = 0;
#endif
if_conf_len = i;
}
void
getExtraConfig()
{
int fd, size, ret;
char *buf, *ptr, *ptr2;
fd = fioOpen(fExtraConfig, O_RDONLY);
if ( fd < 0 )
{
scr_printf("failed to open extra conf file\n");
return;
}
size = fioLseek(fd, 0, SEEK_END);
fioLseek(fd, 0, SEEK_SET);
buf = malloc(size + 1);
ret = fioRead(fd, buf, size);
buf[size] = 0;
fioClose(fd);
ptr = buf;
ptr2 = buf;
while(ptr < buf+size) {
ptr2 = strstr(ptr, ";");
if ( ptr2 == 0 ) {
break;
}
ptr[ptr2-ptr] = 0;
scr_printf("loading %s\n", ptr);
pkoLoadModule(ptr, 0, NULL);
ptr = ptr2+1;
}
free(buf);
return;
}
////////////////////////////////////////////////////////////////////////
// Wrapper to load irx module from disc/rom
static void
pkoLoadModule(char *path, int argc, char *argv)
{
int ret;
ret = SifLoadModule(path, argc, argv);
if (ret < 0) {
scr_printf("Could not load module %s: %d\n", path, ret);
SleepThread();
}
dbgscr_printf("[%d] returned\n", ret);
}
#ifndef BUILTIN_IRXS
/* Load a module into RAM. */
void * modbuf_load(const char *filename, int *filesize)
{
void *res = NULL;
int fd = -1, size;
if ((fd = fioOpen(filename, O_RDONLY)) < 0)
goto out;
if ((size = fioLseek(fd, 0, SEEK_END)) < 0)
goto out;
fioLseek(fd, 0, SEEK_SET);
fioLseek(fd, 0, SEEK_SET);
res = (void *)irx_buffer_addr;
irx_buffer_addr += size + 32 - (size % 16);
dbgscr_printf(" modbuf_load : %s , %d (0x%X)\n",filename,size,(int)res);
if (fioRead(fd, res, size) != size)
res = NULL;
if (filesize)
*filesize = size;
out:
if (fd >= 0)
fioClose(fd);
return res;
}
static int loadHostModBuffers()
{
if (irx_buffer_addr == 0)
{
irx_buffer_addr = IRX_BUFFER_BASE;
getIpConfig();
if (!(ioptrap_mod = modbuf_load(ioptrap_path, &ioptrap_size)))
{return -1;}
if (!(pcsx2hostfs_mod = modbuf_load(pcsx2hostfs_path, &pcsx2hostfs_size)))
return -1;
}
else
{
dbgscr_printf("Using Cached Modules\n");
}
return 0;
}
#endif
////////////////////////////////////////////////////////////////////////
// Load all the irx modules we need, according to 'boot mode'
static void
loadModules(void)
{
int ret;
#ifdef USE_CACHED_CFG
int i,t;
#endif
dbgscr_printf("loadModules \n");
#ifdef USE_CACHED_CFG
if(if_conf_len==0)
{
#endif
if ((boot == B_MC) || (boot == B_CC))
{
pkoLoadModule("rom0:SIO2MAN", 0, NULL);
pkoLoadModule("rom0:MCMAN", 0, NULL);
pkoLoadModule("rom0:MCSERV", 0, NULL);
}
#ifdef USE_CACHED_CFG
return;
}
#endif
#ifdef BUILTIN_IRXS
_binary_ioptrap_irx_size = _binary_ioptrap_irx_end - _binary_ioptrap_irx_start;
_binary_pcsx2hostfs_irx_size = _binary_pcsx2hostfs_irx_end - _binary_pcsx2hostfs_irx_start;
#ifdef USE_CACHED_CFG
if(if_conf_len==0)
{
getIpConfig();
}
else
{
i=0;
scr_printf("Net config: ");
for (t = 0, i = 0; t < 3; t++) {
scr_printf("%s ", &if_conf[i]);
i += strlen(&if_conf[i]) + 1;
}
scr_printf("\n");
}
#else
getIpConfig();
#endif
dbgscr_printf("Exec ioptrap module. (%x,%d) ", (unsigned int)_binary_ioptrap_irx_start, _binary_ioptrap_irx_size);
SifExecModuleBuffer(_binary_ioptrap_irx_start, _binary_ioptrap_irx_size, 0, NULL,&ret);
dbgscr_printf("[%d] returned\n", ret);
dbgscr_printf("Exec pcsx2hostfs module. (%x,%d) ", (unsigned int)_binary_pcsx2hostfs_irx_start, _binary_pcsx2hostfs_irx_size);
SifExecModuleBuffer(_binary_pcsx2hostfs_irx_start, _binary_pcsx2hostfs_irx_size, 0, NULL,&ret);
dbgscr_printf("[%d] returned\n", ret);
dbgscr_printf("All modules loaded on IOP.\n");
#else
if (boot == B_HOST) {
dbgscr_printf("Exec ioptrap module. (%x,%d) ", (u32)ioptrap_mod, ioptrap_size);
SifExecModuleBuffer(ioptrap_mod, ioptrap_size, 0, NULL,&ret);
dbgscr_printf("[%d] returned\n", ret);
dbgscr_printf("Exec pcsx2hostfs module. (%x,%d) ", (u32)pcsx2hostfs_mod, pcsx2hostfs_size);
SifExecModuleBuffer(pcsx2hostfs_mod, pcsx2hostfs_size, 0, NULL,&ret);
dbgscr_printf("[%d] returned\n", ret);
dbgscr_printf("All modules loaded on IOP.\n");
} else {
getIpConfig();
dbgscr_printf("Exec ioptrap module. ");
pkoLoadModule(ioptrap_path, 0, NULL);
dbgscr_printf("Exec pcsx2hostfs module. ");
pkoLoadModule(pcsx2hostfs_path, 0, NULL);
dbgscr_printf("All modules loaded on IOP. ");
}
#endif
}
////////////////////////////////////////////////////////////////////////
// C standard strrchr func..
char *strrchr(const char *s, int i)
{
const char *last = NULL;
char c = i;
while (*s) {
if (*s == c) {
last = s;
}
s++;
}
if (*s == c) {
last = s;
}
return (char *) last;
}
////////////////////////////////////////////////////////////////////////
// Split path (argv[0]) at the last '/', '\' or ':' and initialise
// elfName (whole path & name to the elf, for example 'cdrom:\pukklink.elf')
// elfPath (path to where the elf was started, for example 'cdrom:\')
static void
setPathInfo(char *path)
{
char *ptr;
strncpy(elfName, path, 255);
strncpy(elfPath, path, 255);
elfName[255] = '\0';
elfPath[255] = '\0';
ptr = strrchr(elfPath, '/');
if (ptr == NULL) {
ptr = strrchr(elfPath, '\\');
if (ptr == NULL) {
ptr = strrchr(elfPath, ':');
if (ptr == NULL) {
scr_printf("Did not find path (%s)!\n", path);
SleepThread();
}
}
}
ptr++;
*ptr = '\0';
#ifndef BUILTIN_IRXS
/* Paths to modules. */
sprintf(pcsx2hostfs_path, "%s%s", elfPath, "PS2LINK.IRX");
sprintf(ioptrap_path, "%s%s", elfPath, "IOPTRAP.IRX");
if (boot == B_CD) {
strcat(ioptrap_path, ";1");
strcat(pcsx2hostfs_path, ";1");
}
#endif
dbgscr_printf("path is %s\n", elfPath);
}
////////////////////////////////////////////////////////////////////////
// Clear user memory
void
wipeUserMem(void)
{
int i;
// Whipe user mem
for (i = 0x100000; i < 0x2000000 ; i += 64) {
asm (
"\tsq $0, 0(%0) \n"
"\tsq $0, 16(%0) \n"
"\tsq $0, 32(%0) \n"
"\tsq $0, 48(%0) \n"
:: "r" (i) );
}
}
////////////////////////////////////////////////////////////////////////
// Clear user memory - Load High and Host version
void
wipeUserMemLoadHigh(void)
{
int i;
// Whipe user mem, apart from last bit
for (i = 0x100000; i < 0x1F00000 ; i += 64) {
asm (
"\tsq $0, 0(%0) \n"
"\tsq $0, 16(%0) \n"
"\tsq $0, 32(%0) \n"
"\tsq $0, 48(%0) \n"
:: "r" (i) );
}
}
void
restartIOP()
{
fioExit();
SifExitIopHeap();
SifLoadFileExit();
SifExitRpc();
dbgscr_printf("reset iop\n");
SifIopReset(imgcmd, 0);
while (SifIopSync()) ;
dbgscr_printf("rpc init\n");
SifInitRpc(0);
scr_printf("Initializing...\n");
sio_printf("Initializing...\n");
sbv_patch_enable_lmb();
sbv_patch_disable_prefix_check();
// SifLoadFileReset();
dbgscr_printf("loading modules\n");
loadModules();
}
#if HOOK_THREADS
// we can spare 1k to allow a generous number of threads..
#define MAX_MONITORED_THREADS 256
int _first_load = 1;
int th_count;
int active_threads[MAX_MONITORED_THREADS];
void *addr_LoadExecPS2;
void *addr_CreateThread;
void *addr_DeleteThread;
void InstallKernelHooks(void)
{
// get the current address of each syscall we want to hook then replace the entry
// in the syscall table with that of our hook function.
addr_LoadExecPS2 = GetSyscall(6);
SetSyscall(6, &Hook_LoadExecPS2);
addr_CreateThread = GetSyscall(32);
SetSyscall(32, &Hook_CreateThread);
addr_DeleteThread = GetSyscall(33);
SetSyscall(33, &Hook_DeleteThread);
}
void RemoveKernelHooks(void)
{
SetSyscall(6, addr_LoadExecPS2);
SetSyscall(32, addr_CreateThread);
SetSyscall(33, addr_DeleteThread);
}
int Hook_LoadExecPS2(char *fname, int argc, char *argv[])
{
// kill any active threads
KillActiveThreads();
// remove our kernel hooks
RemoveKernelHooks();
// call the real LoadExecPS2 handler, this will never return
return(((int (*)(char *, int, char **)) (addr_LoadExecPS2))(fname, argc, argv));
}
int Hook_CreateThread(ee_thread_t *thread_p)
{
int i;
for(i = 0; i < MAX_MONITORED_THREADS; i++)
{
if(active_threads[i] < 0) { break; }
}
if(i >= MAX_MONITORED_THREADS) { return(-1); }
// call the real CreateThread handler, saving the thread id in our list
return(active_threads[i] = ((int (*)(ee_thread_t *)) (addr_CreateThread))(thread_p));
}
int Hook_DeleteThread(int th_id)
{
int i;
for(i = 0; i < MAX_MONITORED_THREADS; i++)
{
if(active_threads[i] == th_id)
{
// remove the entry from the active thread list.
active_threads[i] = -1;
break;
}
}
// call the real DeleteThread handler
return(((int (*)(int)) (addr_DeleteThread))(th_id));
}
// kill all threads created and not deleted since PS2LINK.ELF started except for the calling thread.
void KillActiveThreads(void)
{
int my_id = GetThreadId();
int i;
for(i = 0; i < MAX_MONITORED_THREADS; i++)
{
if((active_threads[i] >= 0) && (active_threads[i] != my_id))
{
TerminateThread(active_threads[i]);
DeleteThread(active_threads[i]);
active_threads[i] = -1;
}
}
}
void ResetActiveThreads(void)
{
int i;
for(i = 0; i < MAX_MONITORED_THREADS; i++) { active_threads[i] = -1; }
}
#endif
extern void _start(void);
extern int _end;
////////////////////////////////////////////////////////////////////////
int
main(int argc, char *argv[])
{
// int ret;
char *bootPath;
init_scr();
scr_printf(WELCOME_STRING);
#ifdef _LOADHIGHVER
scr_printf("Highload version\n");
#endif
#ifdef SCREENSHOTS
scr_printf("Screenshot capable\n");
#endif
scr_printf("pcsx2hostfs loaded at 0x%08X-0x%08X\n", ((u32) _start) - 8, (u32) &_end);
installExceptionHandlers();
#if HOOK_THREADS
if(_first_load)
{
_first_load = 0;
InstallKernelHooks();
}
ResetActiveThreads();
#endif
// argc == 0 usually means naplink..
if (argc == 0) {
bootPath = "host:";
}
// reload1 usually gives an argc > 60000 (yea, this is kinda a hack..)
else if (argc != 1) {
bootPath = "mc0:/BWLINUX/";
}
else {
bootPath = argv[0];
}
SifInitRpc(0);
dbgscr_printf("Checking argv\n");
boot = 0;
setPathInfo(bootPath);
if(!strncmp(bootPath, "mc", strlen("mc"))) {
// Booting from my mc
scr_printf("Booting from mc dir (%s)\n", bootPath);
boot = B_MC;
}
else if(!strncmp(bootPath, "host", strlen("host"))) {
// Host
scr_printf("Booting from host (%s)\n", bootPath);
boot = B_HOST;
}
else if(!strncmp(bootPath, "rom0:OSDSYS", strlen("rom0:OSDSYS"))) {
// From CC's firmware
scr_printf("Booting as CC firmware\n");
boot = B_CC;
}
else {
// Unknown
scr_printf("Booting from unrecognized place %s\n", bootPath);
boot = B_UNKN;
}
#ifdef USE_CACHED_CFG
if(if_conf_len==0)
{
scr_printf("Initial boot, will load config then reset\n");
if(boot == B_MC || boot == B_CC)
restartIOP();
getIpConfig();
}
else
{
scr_printf("Using cached config\n");
}
#endif
// System initalisation
#ifndef BUILTIN_IRXS
if (boot == B_HOST) {
if (loadHostModBuffers() < 0) {
dbgscr_printf("Unable to load modules from host:!\n");
SleepThread();
}
}
#endif
restartIOP();
// CLEARSPU seems to cause exceptions in the Multi_Thread_Manager module.
// I suspect this is caused by the interrupt handlers or some such.
/*
dbgscr_printf("clearing spu\n");
if (SifLoadModule("rom0:CLEARSPU", 0, NULL)<0)
{
scr_printf("rom0:CLEARSPU failed\n");
sio_printf("rom0:CLEARSPU failed\n");
}
*/
// get extra config
if(load_extra_conf)
{
dbgscr_printf("getting extra config\n");
getExtraConfig();
}
scr_printf("Ready\n");
sio_printf("Ready\n");
nprintf("Ready\n");
const char elfFile[PS2E_FIO_MAX_PATH];
if(argc<2 || strlen(argv[1]) == 0)
{
nprintf("No elf specified. Trying PS2E Hack.\n");
char* params_ptr = (char*)0x1FFFC00;
int* params_magic = params_ptr + 0;
int* params_argc = params_ptr + 4;
char* params_argv = params_ptr + 8;
nprintf("Magic = %c%c%c%c, argc=%d, argv[0]=%s\n", params_ptr[0], params_ptr[1], params_ptr[2], params_ptr[3], *params_argc, params_argv );
if(params_ptr[0] == 'E' && params_ptr[1] == '2' && params_ptr[2] == 'S' && params_ptr[3] == 'P')
{
int i;
argc = *params_argc;
for(i=0;i<=argc;i++)
{
argv[i] = params_argv;
params_argv += strlen(params_argv)+1;
}
}
else
{
nprintf("No elf to run. Looping infinitely.\n");
for(;;);
}
}
strcpy(elfFile,"host0:");
strcat(elfFile,argv[1]);
nprintf("Loading elf '%s'...", elfFile);
pko_pkt_execee_req cmd;
cmd.argc = 1;
strcpy(cmd.argv, elfFile);
cmd.argv[strlen(cmd.argv)+1] = 0; // second null char to end argv
pkoExecEE(&cmd);
// SleepThread();
ExitDeleteThread();
return 0;
}
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