X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/19acdb82e419d2075cc277a273941fb1e9a51ba0..daa4fc041d1e4fdc5fb2834851a6d371ee573c02:/usb-driver.c diff --git a/usb-driver.c b/usb-driver.c index 0cc74bf..44a280b 100644 --- a/usb-driver.c +++ b/usb-driver.c @@ -39,12 +39,17 @@ #include #include #include +#include +#include +#include +#include #include "usb-driver.h" #include "config.h" #include "xpcu.h" static int (*ioctl_func) (int, int, void *) = NULL; -static int windrvrfd = -1; +static int *windrvrfds = NULL; +static int windrvrfds_count = 0; static unsigned long ppbase = 0; static unsigned long ecpbase = 0; static struct parport_config *pport = NULL; @@ -55,13 +60,14 @@ static int modules_read = 0; #define NO_WINDRVR 1 -void hexdump(unsigned char *buf, int len) { +void hexdump(unsigned char *buf, int len, char *prefix) { int i; + fprintf(stderr, "%s ", prefix); for(i=0; idwUniqueID, ut->dwPipeNum, ut->fRead, ut->dwOptions, ut->dwBufferSize, ut->dwTimeout); if (ut->dwPipeNum == 0) { - DPRINTF("-> setup packet: "); - hexdump(ut->SetupPacket, 8); + DPRINTF("-> setup packet:"); + hexdump(ut->SetupPacket, 8, ""); } if (!ut->fRead && ut->dwBufferSize) { - hexdump(ut->pBuffer, ut->dwBufferSize); + hexdump(ut->pBuffer, ut->dwBufferSize, "->"); } #endif @@ -161,8 +167,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); if (ut->fRead && ut->dwBytesTransferred) { - DPRINTF("<- Read: "); - hexdump(ut->pBuffer, ut->dwBytesTransferred); + hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-"); } #endif } @@ -451,7 +456,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { int ioctl(int fd, unsigned long int request, ...) { va_list args; void *argp; - int ret; + int i; if (!ioctl_func) ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl"); @@ -460,12 +465,12 @@ int ioctl(int fd, unsigned long int request, ...) { argp = va_arg (args, void *); va_end (args); - if (fd == windrvrfd) - ret = do_wdioctl(fd, request, argp); - else - ret = (*ioctl_func) (fd, request, argp); + for (i = 0; i < windrvrfds_count; i++) { + if (fd == windrvrfds[i]) + return do_wdioctl(fd, request, argp); + } - return ret; + return (*ioctl_func) (fd, request, argp); } int open (const char *pathname, int flags, ...) { @@ -484,11 +489,15 @@ int open (const char *pathname, int flags, ...) { } if (!strcmp (pathname, "/dev/windrvr6")) { - DPRINTF("opening windrvr6\n"); + DPRINTF("opening windrvr6 (%d)\n", windrvrfds_count); + windrvrfds = realloc(windrvrfds, sizeof(int) * (++windrvrfds_count)); + if (!windrvrfds) + return -ENOMEM; + #ifdef NO_WINDRVR - windrvrfd = fd = (*func) ("/dev/null", flags, mode); + windrvrfds[windrvrfds_count-1] = fd = (*func) ("/dev/null", flags, mode); #else - windrvrfd = fd = (*func) (pathname, flags, mode); + windrvrfds[windrvrfds_count-1] = fd = (*func) (pathname, flags, mode); #endif return fd; @@ -499,13 +508,22 @@ int open (const char *pathname, int flags, ...) { int close(int fd) { static int (*func) (int) = NULL; + int i; if (!func) func = (int (*) (int)) dlsym(RTLD_NEXT, "close"); - if (fd == windrvrfd && windrvrfd >= 0) { - DPRINTF("close windrvrfd\n"); - windrvrfd = -1; + for (i = 0; i < windrvrfds_count; i++) { + if (fd == windrvrfds[i] && windrvrfds[i] >= 0) { + int remaining = windrvrfds_count - (i + 1); + DPRINTF("close windrvr6 (%d)\n", i); + if (remaining) + memmove(&(windrvrfds[i]), &(windrvrfds[i+1]), remaining * sizeof(int)); + windrvrfds = realloc(windrvrfds, sizeof(int) * --windrvrfds_count); + if (!windrvrfds_count) + windrvrfds = NULL; + break; + } } return (*func) (fd); @@ -543,6 +561,12 @@ FILE *fopen(const char *path, const char *mode) { if (!strcmp(path, "/proc/modules")) { DPRINTF("opening /proc/modules\n"); + if (!ret && errno == ENOENT) { + /* Hmm.. there appears to be no /proc/modules file + * fake it then */ + ret = (*func)("/dev/null", mode); + DPRINTF("No /proc/modules -- faking\n"); + } #ifdef NO_WINDRVR modulesfp = ret; modules_read = 0; @@ -610,20 +634,50 @@ int access(const char *pathname, int mode) { } } -#if __WORDSIZE == 32 -int uname (struct utsname *__name) { - static int (*func) (struct utsname*); - int ret; +#if 0 +/* USB cable sharing needs to overload semop, TODO! */ +int semop (int __semid, struct sembuf *__sops, size_t __nsops) { + static int (*func) (int, struct sembuf*, size_t) = NULL; + int i; if (!func) - func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname"); + func = (int (*) (int, struct sembuf*, size_t)) dlsym(RTLD_NEXT, "semop"); - ret = (*func)(__name); - - if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) { - strcpy(__name->machine, "i686"); + fprintf(stderr,"semop: semid: 0x%X, elements: %d\n", __semid, __nsops); + for (i = 0; i < __nsops; i++) { + fprintf(stderr, " num: %u, op: %d, flg: %d\n", __sops[i].sem_num, __sops[i].sem_op, __sops[i].sem_flg); + if (__sops[i].sem_op < 0) { + fprintf(stderr, "SEMAPHORE LOCK\n"); + } else { + fprintf(stderr, "SEMAPHORE UNLOCK\n"); + } } - - return ret; + + return (*func)(__semid, __sops, __nsops); } #endif + +/* + * Ugly hack for ISE 12. They don't seem to open /proc/modules with + * open() anymore... + * echo '_Z14isModuleLoadedPci' | c++filt + */ +int _Z14isModuleLoadedPci(char *module_name, int i) { + DPRINTF("_Z14isModuleLoadedPci: Checking for module %s (%d)\n", module_name, i); + + return 1; +} + +static void __attribute__ ((constructor)) libusbdriver_init(void) { + #if __WORDSIZE == 32 + struct utsname un; + int ret; + + ret = uname(&un); + + if (ret == 0 && (!strcmp(un.machine, "x86_64"))) { + DPRINTF("setting 32bit personality\n"); + (long)syscall(SYS_personality, PER_LINUX32); + } + #endif +}