usbloadergx/ehcmodule/source/ehc_loop.c.old

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/*
Custom IOS module for Wii.
OH0 message loop
Copyright (C) 2009 kwiirk.
Copyright (C) 2008 neimod.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*******************************************************************************
*
* oh0_loop.c - IOS module main code
* even if we are "ehc" driver, we still pretend to be "oh0"
* and implement "standard" ios oh0 usb api
*
*******************************************************************************
*
*/
#include <stdio.h>
#include <string.h>
#include "syscalls.h"
#include "ehci_types.h"
#include "ehci.h"
#include "utils.h"
#include "libwbfs.h"
void ehci_usleep(int usec);
void ehci_msleep(int msec);
#undef NULL
#define NULL ((void *)0)
#define IOS_OPEN 0x01
#define IOS_CLOSE 0x02
#define IOS_IOCTL 0x06
#define IOS_IOCTLV 0x07
#define USB_IOCTL_CTRLMSG 0
#define USB_IOCTL_BLKMSG 1
#define USB_IOCTL_INTRMSG 2
#define USB_IOCTL_SUSPENDDEV 5
#define USB_IOCTL_RESUMEDEV 6
#define USB_IOCTL_GETDEVLIST 12
#define USB_IOCTL_DEVREMOVALHOOK 26
#define USB_IOCTL_DEVINSERTHOOK 27
#define UMS_BASE (('U'<<24)|('M'<<16)|('S'<<8))
#define USB_IOCTL_UMS_INIT (UMS_BASE+0x1)
#define USB_IOCTL_UMS_GET_CAPACITY (UMS_BASE+0x2)
#define USB_IOCTL_UMS_READ_SECTORS (UMS_BASE+0x3)
#define USB_IOCTL_UMS_WRITE_SECTORS (UMS_BASE+0x4)
#define USB_IOCTL_UMS_READ_STRESS (UMS_BASE+0x5)
#define USB_IOCTL_UMS_SET_VERBOSE (UMS_BASE+0x6)
#define USB_IOCTL_UMS_UMOUNT (UMS_BASE+0x10)
#define USB_IOCTL_UMS_WATCHDOG (UMS_BASE+0x80)
#define WBFS_BASE (('W'<<24)|('F'<<16)|('S'<<8))
#define USB_IOCTL_WBFS_OPEN_DISC (WBFS_BASE+0x1)
#define USB_IOCTL_WBFS_READ_DISC (WBFS_BASE+0x2)
//#define USB_IOCTL_WBFS_SPEED_LIMIT (WBFS_BASE+0x80)
void USBStorage_Umount(void);
//#define DEVICE "/dev/usb/ehc"
#define DEVICE "/dev/usb2"
int verbose = 0;
#define ioctlv_u8(a) (*((u8*)(a).data))
#define ioctlv_u16(a) (*((u16*)(a).data))
#define ioctlv_u32(a) (*((u32*)(a).data))
#define ioctlv_voidp(a) (a).data
wbfs_disc_t * wbfs_init_with_partition(u8*discid, int partition);
#define WATCHDOG_TIMER 1000*1000*4
char *parse_hex(char *base,int *val)
{
int v = 0,done=0;
char *ptr = base,c;
while(!done)
{
c = *ptr++;
if(c >= '0' && c <= '9')
v = v << 4 | (c-'0');
else if(c >= 'a' && c <= 'f')
v = v << 4 | (10+c-'a');
else if(c >= 'A' && c <= 'F')
v = v << 4 | (10+c-'A');
else
done = 1;
}
if(ptr==base+1)//only incremented once
return 0; //we did not found any hex numbers
*val = v;
return ptr-1;
}
int parse_and_open_device(char *devname,int fd)
{
char *ptr = devname;
int vid,pid;
if (! (ptr = parse_hex(ptr,&vid)))
return -6;
if ( *ptr != '/' )
return -6;
ptr++;// skip /
if (! (ptr = parse_hex(ptr,&pid)))
return -6;
if ( *ptr != '\0' )
return -6;
return ehci_open_device(vid,pid,fd);
}
int DVD_speed_limit=0; // ingame it can fix x6 speed
int watchdog_enable=1;
// special ingame
int wbfs_disc_read2(wbfs_disc_t*d,u32 offset, u8 *data, u32 len);
// heap space for WBFS and queue
extern int heaphandle;
void msleep(int msec);
u8 mem_sector[2048] __attribute__ ((aligned (32)));
void *WBFS_Alloc(int size)
{
void * ret = 0;
ret= os_heap_alloc(heaphandle, size);
if(ret==0)
{debug_printf("WBFS not enough memory! need %d\n",size);
my_sprint("WBFS not enough memory!", NULL);
while(1) ehci_msleep(100);
}
return ret;
}
void WBFS_Free(void *ptr)
{
return os_heap_free(heaphandle, ptr);
}
void my_sprint(char *cad, char *s)
{
int n=strlen(cad);
int m=0;
int fd;
os_sync_after_write(cad, n);
if(s) {m=strlen(s);os_sync_after_write(s, m);}
fd=os_open("/dev/fat/log", 1);
if(fd<0) return;
os_write(fd, cad, n);
if(s)
os_write(fd, s, m);
os_close(fd);
}
#if 0
char my_log[256];
void my_dump(char *cad, char *dat, int len)
{
int n,m;
int fd;
fd=ios_open("/dev/fat/log", 1);
if(fd<0) return;
n=0;
while(*cad) {my_log[n]=*cad++;n++;}
my_log[n]='\n';n++;
for(m=0;m<len;m++)
{
if(n>=253) {ios_write(fd, my_log, n);n=0;}
my_log[n]=((*dat>>8) & 0xf)+48;if(my_log[n]>'9') my_log[n]+=7; n++;
my_log[n]=((*dat) & 0xf)+48;if(my_log[n]>'9') my_log[n]+=7; n++;
my_log[n]=((m & 15)!=15) ? ' ' : '\n'; n++;
dat++;
}
if(n>0)
{
os_sync_after_write((void *) cad, n);
os_write(fd, my_log, n);
}
ios_close(fd);
}
#endif
extern int unplug_device;
int unplug_procedure(void);
int ehc_loop(void)
{
ipcmessage* message;
int timer2_id=-1;
int last_sector=0;
int must_read_sectors=0;
my_sprint("ehc loop entry", NULL);
void* queuespace = os_heap_alloc(heaphandle, 0x40);
int queuehandle = os_message_queue_create(queuespace, 16);
os_device_register(DEVICE, queuehandle);
timer2_id=os_create_timer(WATCHDOG_TIMER, WATCHDOG_TIMER, queuehandle, 0x666);
int ums_mode = 0;
int already_discovered = 0;
wbfs_disc_t *d = 0;
int usb_lock=0;
int watch_time_on=1;
while(1)
{
int result = 1;
int ack = 1;
// Wait for message to arrive
os_message_queue_receive(queuehandle, (void*)&message, 0);
// timer message WATCHDOG
if((int) message==0x555) continue;
if(watch_time_on)
os_stop_timer(timer2_id); // stops watchdog timer
watch_time_on=0;
if((int) message==0x666)
{
if(must_read_sectors && watchdog_enable)
{
int n,m;
unplug_procedure();
if(unplug_device==0 && !usb_lock)
{
n=USBStorage_Get_Capacity((void *) &m);
if(m!=0 && m<2048) // only support sector size minor to 2048
{
USBStorage_Read_Sectors(last_sector, 1, mem_sector);
last_sector+=0x1000000/m; // steps of 16MB
if(last_sector>n) last_sector=0;
}
}
watch_time_on=1;
os_restart_timer(timer2_id, WATCHDOG_TIMER);
}
continue;
}
//print_hex_dump_bytes("msg",0, message,sizeof(*message));
switch( message->command )
{
case IOS_OPEN:
{
//debug_printf("%s try open %sfor fd %d\n",DEVICE,message->open.device,message->open.resultfd);
// Checking device name
if (0 == strcmp(message->open.device, DEVICE))
{
result = message->open.resultfd;
if(!already_discovered)
ehci_discover();
already_discovered=1;
}
else if (!ums_mode && 0 == memcmp(message->open.device, DEVICE"/", sizeof(DEVICE)))
result = parse_and_open_device(message->open.device+sizeof(DEVICE),message->open.resultfd);
else
result = -6;
}
break;
case IOS_CLOSE:
{
//debug_printf("close fd %d\n",message->fd);
if(ums_mode == message->fd)
ums_mode = 0;
else
ehci_close_device(ehci_fd_to_dev(message->fd));
// do nothing
result = 0;
}
break;
case IOS_IOCTL:
{
break;
}
case IOS_IOCTLV:
{
ioctlv *vec = message->ioctlv.vector;
void *dev =NULL;
int i,in = message->ioctlv.num_in,io= message->ioctlv.num_io;
if( 0==(message->ioctl.command>>24) && !ums_mode)
dev = ehci_fd_to_dev(message->fd);
os_sync_before_read( vec, (in+io)*sizeof(ioctlv));
for(i=0;i<in+io;i++){
os_sync_before_read( vec[i].data, vec[i].len);
//print_hex_dump_bytes("vec",0, vec[i].data,vec[i].len);
}
switch( message->ioctl.command )
{
case USB_IOCTL_CTRLMSG:
//debug_printf("ctrl message%x\n",dev);
if(!dev)result= -6;
else
result = ehci_control_message(dev,ioctlv_u8(vec[0]),ioctlv_u8(vec[1]),
swab16(ioctlv_u16(vec[2])),swab16(ioctlv_u16(vec[3])),
swab16(ioctlv_u16(vec[4])),ioctlv_voidp(vec[6]));
break;
case USB_IOCTL_BLKMSG:
//debug_printf("bulk message\n");
if(!dev)result= -6;
else
result = ehci_bulk_message(dev,ioctlv_u8(vec[0]),ioctlv_u16(vec[1]),
ioctlv_voidp(vec[2]));
break;
case USB_IOCTL_INTRMSG:
debug_printf("intr message\n");
case USB_IOCTL_SUSPENDDEV:
case USB_IOCTL_RESUMEDEV:
debug_printf("or resume/suspend message\n");
result = 0;//-1;// not supported
break;
case USB_IOCTL_GETDEVLIST:
debug_printf("get dev list\n");
if(dev)result= -6;
else
result = ehci_get_device_list(ioctlv_u8(vec[0]),ioctlv_u8(vec[1]),
ioctlv_voidp(vec[2]),ioctlv_voidp(vec[3]));
break;
case USB_IOCTL_DEVREMOVALHOOK:
case USB_IOCTL_DEVINSERTHOOK:
debug_printf("removal/insert hook\n");
ack = 0; // dont reply to those, as we dont detect anything
break;
case USB_IOCTL_UMS_INIT:
must_read_sectors=0;
result = USBStorage_Init();
//result=-os_thread_get_priority();
if(result>=0) {must_read_sectors=1;watchdog_enable=1;}
ums_mode = message->fd;
if(result>=0) my_sprint("UMS Init", NULL); else my_sprint("UMS fail", NULL);
break;
case USB_IOCTL_UMS_UMOUNT:
must_read_sectors=0;
watchdog_enable=0;
USBStorage_Umount();
result =0;
break;
case USB_IOCTL_UMS_GET_CAPACITY:
result = USBStorage_Get_Capacity(ioctlv_voidp(vec[0]));
break;
case USB_IOCTL_UMS_READ_SECTORS:
if (verbose)
debug_printf("%p read sector %d %d %p\n",&vec[0],ioctlv_u32(vec[0]),ioctlv_u32(vec[1]), ioctlv_voidp(vec[2]));
result = USBStorage_Read_Sectors(ioctlv_u32(vec[0]),ioctlv_u32(vec[1]), ioctlv_voidp(vec[2]));
//udelay(ioctlv_u32(vec[1])*125);
if(result) break;
break;
case USB_IOCTL_UMS_WRITE_SECTORS:
result = USBStorage_Write_Sectors(ioctlv_u32(vec[0]),ioctlv_u32(vec[1]), ioctlv_voidp(vec[2]));
break;
case USB_IOCTL_UMS_READ_STRESS:
result = USBStorage_Read_Stress(ioctlv_u32(vec[0]),ioctlv_u32(vec[1]), ioctlv_voidp(vec[2]));
break;
case USB_IOCTL_UMS_SET_VERBOSE:
verbose = !verbose;
result = 0;
break;
/*case USB_IOCTL_WBFS_SPEED_LIMIT:
DVD_speed_limit=ioctlv_u32(vec[0]);
break;*/
case USB_IOCTL_UMS_WATCHDOG:
watchdog_enable=ioctlv_u32(vec[0]);
break;
case USB_IOCTL_WBFS_OPEN_DISC:
ums_mode = message->fd;
int partition=0;
// if (verbose)
debug_printf("ehc:use disc %s\n",ioctlv_voidp(vec[0]));
if(vec[1].len==4) memcpy(&partition, ioctlv_voidp(vec[1]), 4);
d = wbfs_init_with_partition(ioctlv_voidp(vec[0]), partition);
if(!d)
result = -1;
else
{result = 0;watchdog_enable=1;}
my_sprint("WBFS Open()", NULL);
must_read_sectors=1;
break;
case USB_IOCTL_WBFS_READ_DISC:
if (verbose)
debug_printf("r%x %x\n",ioctlv_u32(vec[0]),ioctlv_u32(vec[1]));
else
debug_printf("r%x %x\r",ioctlv_u32(vec[0]),ioctlv_u32(vec[1]));
if(!d || usb_lock)
result = -1;
else
{
usb_lock=1;
//os_stop_timer(timer2_id);
result = wbfs_disc_read2(d,ioctlv_u32(vec[0]),ioctlv_voidp(vec[2]),ioctlv_u32(vec[1]));
usb_lock=0;
/* if(result){
debug_printf("wbfs failed! %d\n",result);
//result = 0x7800; // wii games shows unrecoverable error..
result = 0x8000;
}*/
result=0;
}
break;
}
for(i=in;i<in+io;i++){
//print_hex_dump_bytes("iovec",0, vec[i].data,vec[i].len>0x20?0x20:vec[i].len);
os_sync_after_write( vec[i].data, vec[i].len);
}
break;
}
default:
result = -1;
//ack = 0;
break;
}
if(watchdog_enable)
{watch_time_on=1;
os_restart_timer(timer2_id, WATCHDOG_TIMER);
}
//debug_printf("return %d\n",result);
// Acknowledge message
if (ack)
os_message_queue_ack( (void*)message, result );
}
return 0;
}