X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/b0f621dd6a5f05639017d33b3f2c74d1a9665226..36f8b271f2d5a1fa3b5bd5f33bfb4d7c017e2ced:/usb-driver.c?ds=inline diff --git a/usb-driver.c b/usb-driver.c index d613865..3b8b51d 100644 --- a/usb-driver.c +++ b/usb-driver.c @@ -1,13 +1,28 @@ -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +/* libusb/ppdev connector for XILINX impact + * + * Copyright (c) 2007 Michael Gernoth + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ #define _GNU_SOURCE 1 -#if defined(RTLD_NEXT) -#define REAL_LIBC RTLD_NEXT -#else -#define REAL_LIBC ((void *) -1L) -#endif - #include #include #include @@ -18,15 +33,50 @@ #include #include #include -#include "xilinx.h" +#include +#include +#include +#include +#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 = 0; +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; +static FILE *modulesfp = NULL; +static FILE *baseaddrfp = NULL; +static int baseaddrnum = 0; +static int modules_read = 0; + +#define NO_WINDRVR 1 + +void hexdump(unsigned char *buf, int len, char *prefix) { + int i = 0; + + fprintf(stderr, "%s %03x: ", prefix, i); + for(i = 0; idata); - strcpy(version->version, "WinDriver no more"); - version->versionul = 999; - fprintf(stderr,"faking VERSION\n"); + strcpy(version->version, "libusb-driver.so version: " USB_DRIVER_VERSION); + version->versionul = 802; + DPRINTF("VERSION\n"); break; case LICENSE: - fprintf(stderr,"faking LICENSE\n"); + DPRINTF("LICENSE\n"); break; + case CARD_REGISTER_OLD: case CARD_REGISTER: + DPRINTF("CARD_REGISTER\n"); { - //struct card_register* cr = (struct card_register*)(wdheader->data); - /* Todo: LPT-Port already in use */ + struct card_register* cr = (struct card_register*)(wdheader->data); + + DPRINTF("-> Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n", + cr->Card.dwItems, + (unsigned long)cr->Card.Item[0].I.IO.dwAddr, + cr->Card.Item[0].I.IO.dwBytes, + cr->Card.Item[0].I.IO.dwBar); + + DPRINTF("-> Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n", + cr->Card.dwItems, + (unsigned long)cr->Card.Item[1].I.IO.dwAddr, + cr->Card.Item[1].I.IO.dwBytes, + cr->Card.Item[1].I.IO.dwBar); +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + cr->hCard = 0; + + pport = config_get((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10); + if (!pport) + break; + + ret = pport->open((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10); + + ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr; + + if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr) + ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr; + + if (ret >= 0) { + cr->hCard = ret; + } else { + cr->hCard = 0; + } +#endif + DPRINTF("<-hCard: %lu\n", cr->hCard); } - fprintf(stderr,"faking CARD_REGISTER\n"); break; case USB_TRANSFER: - fprintf(stderr,"in USB_TRANSFER"); + DPRINTF("USB_TRANSFER\n"); { struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data); - fprintf(stderr," unique: %lu, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\n", ut->dwUniqueID, ut->dwPipeNum, ut->fRead, ut->dwOptions, ut->dwBufferSize, ut->dwTimeout); - fprintf(stderr,"setup packet: "); - hexdump(ut->SetupPacket, 8); - fprintf(stderr,"\n"); +#ifdef DEBUG + DPRINTF("-> unique: 0x%lx, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\n", + ut->dwUniqueID, ut->dwPipeNum, ut->fRead, + ut->dwOptions, ut->dwBufferSize, ut->dwTimeout); + if (ut->dwPipeNum == 0) { + DPRINTF("-> setup packet:"); + hexdump(ut->SetupPacket, 8, ""); + } + if (!ut->fRead && ut->dwBufferSize) { - hexdump(ut->pBuffer, ut->dwBufferSize); - fprintf(stderr,"\n"); + hexdump(ut->pBuffer, ut->dwBufferSize, "->"); } +#endif +#ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_transfer(ut); +#endif - fprintf(stderr,"Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); +#ifdef DEBUG + DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); if (ut->fRead && ut->dwBytesTransferred) { - fprintf(stderr,"Read: "); - hexdump(ut->pBuffer, ut->dwBytesTransferred); + hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-"); } - fprintf(stderr,"\n"); +#endif } break; + case INT_ENABLE_OLD: case INT_ENABLE: - fprintf(stderr,"faking INT_ENABLE"); + DPRINTF("INT_ENABLE\n"); { struct interrupt *it = (struct interrupt*)(wdheader->data); - fprintf(stderr," Handle: %lu, Options: %lx, ncmds: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds); + DPRINTF("-> Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", + it->hInterrupt, it->dwOptions, + it->dwCmds, it->fEnableOk, it->dwCounter, + it->dwLost, it->fStopped); + +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_int_state(it, ENABLE_INTERRUPT); +#endif - it->fEnableOk = 1; - //ret = (*ioctl_func) (fd, request, wdioctl); + DPRINTF("<- Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", + it->hInterrupt, it->dwOptions, + it->dwCmds, it->fEnableOk, it->dwCounter, + it->dwLost, it->fStopped); } break; case INT_DISABLE: - fprintf(stderr,"INT_DISABLE\n"); + DPRINTF("INT_DISABLE\n"); { struct interrupt *it = (struct interrupt*)(wdheader->data); - fprintf(stderr," Handle: %lu, Options: %lx, ncmds: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds); - - hexdump(wdheader->data, wdheader->size); - //it->dwCounter = 0; - //it->fStopped = 1; + DPRINTF("-> Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", + it->hInterrupt, it->dwOptions, + it->dwCmds, it->fEnableOk, it->dwCounter, + it->dwLost, it->fStopped); +#ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); - fprintf(stderr,"\n\n"); - hexdump(wdheader->data, wdheader->size); - fprintf(stderr,"\n"); +#else + ret = xpcu_int_state(it, DISABLE_INTERRUPT); +#endif + DPRINTF("<- Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", + it->hInterrupt, it->dwOptions, + it->dwCmds, it->fEnableOk, it->dwCounter, + it->dwLost, it->fStopped); } break; case USB_SET_INTERFACE: - fprintf(stderr,"USB_SET_INTERFACE\n"); + DPRINTF("USB_SET_INTERFACE\n"); { struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data); - fprintf(stderr,"unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", usi->dwUniqueID, usi->dwInterfaceNum, usi->dwAlternateSetting, usi->dwOptions); + DPRINTF("-> unique: 0x%lx, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", + usi->dwUniqueID, usi->dwInterfaceNum, + usi->dwAlternateSetting, usi->dwOptions); +#ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_set_interface(usi); +#endif + DPRINTF("<- unique: 0x%lx, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", + usi->dwUniqueID, usi->dwInterfaceNum, + usi->dwAlternateSetting, usi->dwOptions); } break; + case USB_GET_DEVICE_DATA_OLD: case USB_GET_DEVICE_DATA: - fprintf(stderr,"USB_GET_DEVICE_DATA\n"); + DPRINTF("USB_GET_DEVICE_DATA\n"); { struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data); - int pSize; - fprintf(stderr, "uniqe: %lu, bytes: %lu, options: %lx\n", ugdd->dwUniqueID, ugdd->dwBytes, ugdd->dwOptions); - pSize = ugdd->dwBytes; - ret = (*ioctl_func) (fd, request, wdioctl); - if (pSize) { - hexdump(ugdd->pBuf, pSize); - fprintf(stderr, "\n"); - } + DPRINTF("-> unique: 0x%lx, bytes: %lu, options: %lx\n", + ugdd->dwUniqueID, ugdd->dwBytes, + ugdd->dwOptions); + + ret = xpcu_deviceinfo(ugdd); + } break; + case EVENT_REGISTER_OLD: case EVENT_REGISTER: - fprintf(stderr,"EVENT_REGISTER\n"); + DPRINTF("EVENT_REGISTER\n"); { struct event *e = (struct event*)(wdheader->data); +#ifdef DEBUG int i; +#endif - fprintf(stderr,"handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n", e->handle, e->dwAction, e->dwStatus, e->dwEventId, e->dwCardType, e->hKernelPlugIn, e->dwOptions, e->u.Usb.deviceId.dwVendorId, e->u.Usb.deviceId.dwProductId, e->u.Usb.dwUniqueID, e->dwEventVer, e->dwNumMatchTables); - for (i = 0; i < e->dwNumMatchTables; i++) - fprintf(stderr,"match: dev: %x:%x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", e->matchTables[i].VendorId, e->matchTables[i].ProductId, e->matchTables[i].bDeviceClass, e->matchTables[i].bDeviceSubClass, e->matchTables[i].bInterfaceClass, e->matchTables[i].bInterfaceSubClass, e->matchTables[i].bInterfaceProtocol); + DPRINTF("-> handle: 0x%lx, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: 0x%lx, ver: %lu, nummatch: %lu\n", + e->handle, e->dwAction, + e->dwStatus, e->dwEventId, e->dwCardType, + e->hKernelPlugIn, e->dwOptions, + e->u.Usb.deviceId.dwVendorId, + e->u.Usb.deviceId.dwProductId, + e->u.Usb.dwUniqueID, e->dwEventVer, + e->dwNumMatchTables); +#ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_find(e); +#endif + +#ifdef DEBUG + DPRINTF("<- handle: 0x%lx, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: 0x%lx, ver: %lu, nummatch: %lu\n", + e->handle, e->dwAction, + e->dwStatus, e->dwEventId, e->dwCardType, + e->hKernelPlugIn, e->dwOptions, + e->u.Usb.deviceId.dwVendorId, + e->u.Usb.deviceId.dwProductId, + e->u.Usb.dwUniqueID, e->dwEventVer, + e->dwNumMatchTables); - fprintf(stderr,"handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n", e->handle, e->dwAction, e->dwStatus, e->dwEventId, e->dwCardType, e->hKernelPlugIn, e->dwOptions, e->u.Usb.deviceId.dwVendorId, e->u.Usb.deviceId.dwProductId, e->u.Usb.dwUniqueID, e->dwEventVer, e->dwNumMatchTables); for (i = 0; i < e->dwNumMatchTables; i++) - fprintf(stderr,"match: dev: %x:%x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", e->matchTables[i].VendorId, e->matchTables[i].ProductId, e->matchTables[i].bDeviceClass, e->matchTables[i].bDeviceSubClass, e->matchTables[i].bInterfaceClass, e->matchTables[i].bInterfaceSubClass, e->matchTables[i].bInterfaceProtocol); + DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", + e->matchTables[i].VendorId, + e->matchTables[i].ProductId, + e->matchTables[i].bDeviceClass, + e->matchTables[i].bDeviceSubClass, + e->matchTables[i].bInterfaceClass, + e->matchTables[i].bInterfaceSubClass, + e->matchTables[i].bInterfaceProtocol); +#endif } break; + case TRANSFER_OLD: case TRANSFER: - fprintf(stderr,"TRANSFER\n"); - ret = (*ioctl_func) (fd, request, wdioctl); + DPRINTF("TRANSFER\n"); + { + WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data); + +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = pport->transfer(tr, fd, request, ppbase, ecpbase, 1); +#endif + } + break; + + case MULTI_TRANSFER_OLD: + case MULTI_TRANSFER: + DPRINTF("MULTI_TRANSFER\n"); + { + WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data); + unsigned long num = wdheader->size/sizeof(WD_TRANSFER); +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = pport->transfer(tr, fd, request, ppbase, ecpbase, num); +#endif + } break; case EVENT_UNREGISTER: - fprintf(stderr,"EVENT_UNREGISTER\n"); - ret = (*ioctl_func) (fd, request, wdioctl); + { + struct event *e = (struct event*)(wdheader->data); + + DPRINTF("EVENT_UNREGISTER\n"); +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_close(e); +#endif + } break; case INT_WAIT: - fprintf(stderr,"INT_WAIT\n"); + DPRINTF("INT_WAIT\n"); { struct interrupt *it = (struct interrupt*)(wdheader->data); - fprintf(stderr," Handle: %lu, Options: %lx, ncmds: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds); + DPRINTF("-> Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", + it->hInterrupt, it->dwOptions, + it->dwCmds, it->fEnableOk, it->dwCounter, + it->dwLost, it->fStopped); - hexdump(wdheader->data, wdheader->size); +#ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); - //ret = 0; - //it->dwCounter++; - fprintf(stderr,"\n\n"); - hexdump(wdheader->data, wdheader->size); - fprintf(stderr,"\n"); +#else + ret = xpcu_int_wait(it); +#endif + + DPRINTF("<- INT_WAIT_RETURN: Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", + it->hInterrupt, it->dwOptions, it->dwCmds, + it->fEnableOk, it->dwCounter, it->dwLost, + it->fStopped); } break; case CARD_UNREGISTER: - fprintf(stderr,"CARD_UNREGISTER\n"); - ret = (*ioctl_func) (fd, request, wdioctl); + DPRINTF("CARD_UNREGISTER\n"); + { + struct card_register* cr = (struct card_register*)(wdheader->data); + + DPRINTF("-> Addr: 0x%lx, bytes: %lu, bar: %lu\n", + (unsigned long)cr->Card.Item[0].I.IO.dwAddr, + cr->Card.Item[0].I.IO.dwBytes, + cr->Card.Item[0].I.IO.dwBar); + + DPRINTF("-> hCard: %lu\n", cr->hCard); + +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + if (pport) + pport->close(cr->hCard); + + pport = NULL; +#endif + } break; case EVENT_PULL: - fprintf(stderr,"EVENT_PULL\n"); - ret = (*ioctl_func) (fd, request, wdioctl); + DPRINTF("EVENT_PULL\n"); + { + struct event *e = (struct event*)(wdheader->data); +#ifdef DEBUG + int i; + + DPRINTF("-> handle: 0x%lx, action: %lu, status: %lu, eventid: %lu, cardtype: %lx, kplug: %lu, options: %lu, dev: %lx:%lx, unique: 0x%lx, ver: %lu, nummatch: %lu\n", + e->handle, e->dwAction, e->dwStatus, + e->dwEventId, e->dwCardType, e->hKernelPlugIn, + e->dwOptions, e->u.Usb.deviceId.dwVendorId, + e->u.Usb.deviceId.dwProductId, + e->u.Usb.dwUniqueID, e->dwEventVer, + e->dwNumMatchTables); + + for (i = 0; i < e->dwNumMatchTables; i++) + DPRINTF("-> match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", + e->matchTables[i].VendorId, + e->matchTables[i].ProductId, + e->matchTables[i].bDeviceClass, + e->matchTables[i].bDeviceSubClass, + e->matchTables[i].bInterfaceClass, + e->matchTables[i].bInterfaceSubClass, + e->matchTables[i].bInterfaceProtocol); +#endif + +#ifndef NO_WINDRVR + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_found(e); +#endif + +#ifdef DEBUG + DPRINTF("<- handle: 0x%lx, action: %lu, status: %lu, eventid: %lu, cardtype: %lx, kplug: %lu, options: %lu, dev: %lx:%lx, unique: 0x%lx, ver: %lu, nummatch: %lu\n", + e->handle, e->dwAction, e->dwStatus, + e->dwEventId, e->dwCardType, e->hKernelPlugIn, + e->dwOptions, e->u.Usb.deviceId.dwVendorId, + e->u.Usb.deviceId.dwProductId, + e->u.Usb.dwUniqueID, e->dwEventVer, + e->dwNumMatchTables); + + for (i = 0; i < e->dwNumMatchTables; i++) + DPRINTF("<- match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", + e->matchTables[i].VendorId, + e->matchTables[i].ProductId, + e->matchTables[i].bDeviceClass, + e->matchTables[i].bDeviceSubClass, + e->matchTables[i].bInterfaceClass, + e->matchTables[i].bInterfaceSubClass, + e->matchTables[i].bInterfaceProtocol); +#endif + + } break; default: + fprintf(stderr,"!!!Unsupported IOCTL: %x!!!\n", request); +#ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); +#endif + break; } return ret; } +int ioctl(int fd, unsigned long int request, ...) { + va_list args; + void *argp; + int i; -typedef int (*open_funcptr_t) (const char *, int, mode_t); + if (!ioctl_func) + ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl"); -int open (const char *pathname, int flags, ...) -{ - static open_funcptr_t func = NULL; + va_start (args, request); + argp = va_arg (args, void *); + va_end (args); + + for (i = 0; i < windrvrfds_count; i++) { + if (fd == windrvrfds[i]) + return do_wdioctl(fd, request, argp); + } + + return (*ioctl_func) (fd, request, argp); +} + +int open (const char *pathname, int flags, ...) { + static int (*func) (const char *, int, mode_t) = NULL; mode_t mode = 0; va_list args; int fd; if (!func) - func = (open_funcptr_t) dlsym (REAL_LIBC, "open"); + func = (int (*) (const char *, int, mode_t)) dlsym (RTLD_NEXT, "open"); if (flags & O_CREAT) { va_start(args, flags); @@ -220,121 +492,304 @@ int open (const char *pathname, int flags, ...) va_end(args); } - fd = (*func) (pathname, flags, mode); - if (!strcmp (pathname, "/dev/windrvr6")) { - fprintf(stderr,"opening windrvr6\n"); - windrvrfd = fd; + DPRINTF("opening windrvr6 (%d)\n", windrvrfds_count); + windrvrfds = realloc(windrvrfds, sizeof(int) * (++windrvrfds_count)); + if (!windrvrfds) + return -ENOMEM; + +#ifdef NO_WINDRVR + windrvrfds[windrvrfds_count-1] = fd = (*func) ("/dev/null", flags, mode); +#else + windrvrfds[windrvrfds_count-1] = fd = (*func) (pathname, flags, mode); +#endif + + return fd; } - return fd; + return (*func) (pathname, flags, mode); } -void diff(unsigned char *buf1, unsigned char *buf2, int len) { +int close(int fd) { + static int (*func) (int) = NULL; int i; - for(i=0; i%02x(%c)\n", i, buf1[i], ((buf1[i] >= 31 && buf1[i] <= 126)?buf1[i]:'.'), buf2[i], ((buf2[i] >= 31 && buf2[i] <= 126)?buf2[i]:'.')); + if (!func) + func = (int (*) (int)) dlsym(RTLD_NEXT, "close"); + + 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); } -void hexdump(unsigned char *buf, int len) { +FILE *fopen(const char *path, const char *mode) { + FILE *ret; + static FILE* (*func) (const char*, const char*) = NULL; + char buf[256]; int i; - for(i=0; i %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret); - mmapped = ret; - mmapplen = length; + if (!func) + func = (char* (*) (char*, int, FILE*)) dlsym(RTLD_NEXT, "fgets"); + + if (modulesfp == stream) { + if (modules_read < sizeof(modules) / sizeof(modules[0])) { + strcpy(s, modules[modules_read]); + ret = s; + modules_read++; + } + } else if (baseaddrfp == stream) { + snprintf(s, sizeof(buf), "%d\t%d\n", + (baseaddrnum) * 0x10, + ((baseaddrnum) * 0x10) + 0x400); + ret = s; + } else { + ret = (*func)(s,size,stream); + } return ret; } -void *mmap64(void *start, size_t length, int prot, int flags, int fd, off64_t offset) -{ - static void* (*func) (void *, size_t, int, int, int, off64_t) = NULL; - void *ret; +int fclose(FILE *fp) { + static int (*func) (FILE*) = NULL; if (!func) - func = (void* (*) (void *, size_t, int, int, int, off64_t)) dlsym (REAL_LIBC, "mmap64"); + func = (int (*) (FILE*)) dlsym(RTLD_NEXT, "fclose"); - ret = (*func) (start, length, prot, flags, fd, offset); - fprintf(stderr,"MMAP64: %x, %d, %d, %d, %d, %lld -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret); - mmapped = ret; - mmapplen = length; + if (fp == modulesfp) { + modulesfp = NULL; + } - return ret; + if (fp == baseaddrfp) { + baseaddrfp = NULL; + } + + return (*func)(fp); } -void *mmap2(void *start, size_t length, int prot, int flags, int fd, off_t pgoffset) -{ - static void* (*func) (void *, size_t, int, int, int, off_t) = NULL; - void *ret; +int access(const char *pathname, int mode) { + static int (*func) (const char*, int); if (!func) - func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap2"); - - ret = (*func) (start, length, prot, flags, fd, pgoffset); - fprintf(stderr,"MMAP2: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, pgoffset, (unsigned int)ret); - mmapped = ret; - mmapplen = length; + func = (int (*) (const char*, int)) dlsym(RTLD_NEXT, "access"); - return ret; + if (pathname && !strcmp(pathname, "/dev/windrvr6")) { + return 0; + } else { + return (*func)(pathname, mode); + } } -void *malloc(size_t size) -{ - static void* (*func) (size_t) = NULL; - void *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 = (void* (*) (size_t)) dlsym(REAL_LIBC, "malloc"); + func = (int (*) (int, struct sembuf*, size_t)) dlsym(RTLD_NEXT, "semop"); - ret = (*func) (size); - - //fprintf(stderr,"MALLOC: %d -> %x\n", size, (unsigned int) ret); + 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. Preload doesn't seem to work correctly for + * libImpactComm.so. Even though the file is still read with fopen(), + * the version from libc is used and not the one from this file. + * Replace the function calling fopen() instead... + * echo '_Z14isModuleLoadedPci' | c++filt + */ +long int _Z14isModuleLoadedPci(char *module_name, int i) { + DPRINTF("_Z14isModuleLoadedPci: Checking for module %s (%d)\n", module_name, i); + + return 1; +} -#endif +void cpr_segv_handler(int sig, siginfo_t *info, void *context) { + void *newmem; + + DPRINTF("SEGV at %p, mapping memory\n", info->si_addr); + errno = 0; + newmem = mmap(info->si_addr, 1, PROT_READ, MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0); + if (newmem != info->si_addr) { + perror("libusb-driver.so: Can't map memory, crashing now"); + exit(EXIT_FAILURE); + } +} + +/* XilCommNS::CPortResources::Instance() */ +void* _ZN9XilCommNS14CPortResources8InstanceEv() { + static void* (*func) (void) = NULL; + char *filename = NULL; + void *ret; + int i; + + if (!func) { + struct sigaction act, oldact; + int sighand_installed = 0; + + func = (void* (*) (void)) dlsym(RTLD_NEXT, "_ZN9XilCommNS14CPortResources8InstanceEv"); + + DPRINTF("Installing signal-handler for SIGSEGV\n"); + bzero(&act, sizeof(struct sigaction)); + act.sa_sigaction = cpr_segv_handler; + act.sa_flags = SA_SIGINFO; + if (sigaction(SIGSEGV, &act, &oldact) == 0) { + sighand_installed = 1; + } + + DPRINTF("Searching for filename starting at %p\n", func); + for(i = 0; i < 32768; i++) { + if (!strcmp(((char*)func)+i, "/proc/sys/dev/parport/%s/base-addr")) { + filename = ((char*)func)+i; + DPRINTF("Filename found at offset %p\n", (void*)(filename - ((char*)func))); + break; + } + } + if (sighand_installed) { + DPRINTF("Restoring signal-handler for SIGSEGV\n"); + sigaction(SIGSEGV, &oldact, NULL); + } + if (!filename) + fprintf(stderr, "libusb-driver.so: Can't find memory to patch, parallel cables will probably not work!\n"); + } + + if (filename) { + long pagesize; + size_t protectlen; + void *start; + int len = strlen(filename) + 1; + int ret; + + pagesize = sysconf(_SC_PAGE_SIZE); + DPRINTF("You have %lu bytes sized pages!\n", pagesize); + + start = (void*)((long)filename & (~(pagesize-1))); + + protectlen = pagesize; + if ((long)(filename + len) > (long)(start + protectlen)) + protectlen += pagesize; + + DPRINTF("Unprotecting %zd bytes starting at %p\n", protectlen, start); + ret = mprotect(start, protectlen, PROT_READ|PROT_WRITE); + if (ret == -1) + perror("mprotect"); + + DPRINTF("Replacing %s with /dev/zero\n", filename); + strcpy(filename, "/dev/zero"); + + DPRINTF("Reprotecting %zd bytes starting at %p\n", protectlen, start); + ret = mprotect(start, protectlen, PROT_READ|PROT_EXEC); + if (ret == -1) + perror("mprotect"); + } + + DPRINTF("-> XilCommNS::CPortResources::Instance()\n"); + + ret = func(); + + DPRINTF("<- XilCommNS::CPortResources::Instance()\n"); + + return ret; +} + +static void __attribute__ ((constructor)) libusbdriver_init(void) { + int i; + char buf[256]; + char buf2[256]; + + for (i = 0; i < 4; i++) { + snprintf(buf, sizeof(buf), "XIL_IMPACT_ENV_LPT%d_BASE_ADDRESS", i+1); + snprintf(buf2, sizeof(buf2), "%x", 0x10*i); + setenv(buf, buf2, 1); + snprintf(buf, sizeof(buf), "XIL_IMPACT_ENV_LPT%d_ECP_ADDRESS", i+1); + snprintf(buf2, sizeof(buf2), "%x", (0x10*i)+0x400); + setenv(buf, buf2, 1); + } + + setenv("XIL_IMPACT_USE_LIBUSB", "0", 1); + setenv("XIL_IMPACT_USE_WINDRIVER", "1", 1); + + #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 +}