X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/8923df66b0d6ad73a2f44c736ccb2667e9a91a8b..0f785f003211fc89317b26b4c166408f0668cbc5:/usb-driver.c diff --git a/usb-driver.c b/usb-driver.c index 264da44..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 @@ -18,198 +33,50 @@ #include #include #include -#include #include -#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; -FILE *modulesfp; +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; -static struct usb_bus *busses = NULL; -static struct usb_device *usbdevice; -static usb_dev_handle *usb_devhandle = NULL; -static unsigned long card_type; -static int ints_enabled = 0; -static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER; #define NO_WINDRVR 1 -#undef DEBUG -#ifdef DEBUG -void hexdump(unsigned char *buf, int len) { - int i; +void hexdump(unsigned char *buf, int len, char *prefix) { + int i = 0; - for(i=0; iDescriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR); - udi->Descriptor.bDescriptorType = usbdevice->descriptor.bDescriptorType; - udi->Descriptor.bcdUSB = usbdevice->descriptor.bcdUSB; - udi->Descriptor.bDeviceClass = usbdevice->descriptor.bDeviceClass; - udi->Descriptor.bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass; - udi->Descriptor.bDeviceProtocol = usbdevice->descriptor.bDeviceProtocol; - udi->Descriptor.bMaxPacketSize0 = usbdevice->descriptor.bMaxPacketSize0; - udi->Descriptor.idVendor = usbdevice->descriptor.idVendor; - udi->Descriptor.idProduct = usbdevice->descriptor.idProduct; - udi->Descriptor.bcdDevice = usbdevice->descriptor.bcdDevice; - udi->Descriptor.iManufacturer = usbdevice->descriptor.iManufacturer; - udi->Descriptor.iProduct = usbdevice->descriptor.iProduct; - udi->Descriptor.iSerialNumber = usbdevice->descriptor.iSerialNumber; - udi->Descriptor.bNumConfigurations = usbdevice->descriptor.bNumConfigurations; - - /* TODO: Fix Pipe0! */ - udi->Pipe0.dwNumber = 0x00; - udi->Pipe0.dwMaximumPacketSize = usbdevice->descriptor.bMaxPacketSize0; - udi->Pipe0.type = 0; - udi->Pipe0.direction = WDU_DIR_IN_OUT; - udi->Pipe0.dwInterval = 0; - - pConfigs = &(udi->pConfigs); - pActiveConfig = &(udi->pActiveConfig); - pActiveInterface = &(udi->pActiveInterface[0]); - } - len = sizeof(struct usb_device_info); - - for (i=0; idescriptor.bNumConfigurations; i++) - { - struct usb_config_descriptor *conf_desc = &usbdevice->config[i]; - WDU_INTERFACE **pInterfaces; - WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces]; - WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces]; - - if (buf) { - WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len); - - *pConfigs = cfg; - *pActiveConfig = cfg; - - cfg->Descriptor.bLength = conf_desc->bLength; - cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType; - cfg->Descriptor.wTotalLength = conf_desc->wTotalLength; - cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces; - cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue; - cfg->Descriptor.iConfiguration = conf_desc->iConfiguration; - cfg->Descriptor.bmAttributes = conf_desc->bmAttributes; - cfg->Descriptor.MaxPower = conf_desc->MaxPower; - - cfg->dwNumInterfaces = conf_desc->bNumInterfaces; - - pInterfaces = &(cfg->pInterfaces); - } - len += sizeof(WDU_CONFIGURATION); - if (buf) { - *pInterfaces = (WDU_INTERFACE*)(buf+len); - for (j=0; jbNumInterfaces; j++) { - WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len); - - pActiveInterface[j] = iface; - - pAlternateSettings[j] = &(iface->pAlternateSettings); - iface->dwNumAltSettings = usbdevice->config[i].interface[j].num_altsetting; - pActiveAltSetting[j] = &(iface->pActiveAltSetting); - - len += sizeof(WDU_INTERFACE); - } - } else { - len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces; - } - - for (j=0; jbNumInterfaces; j++) - { - struct usb_interface *interface = &usbdevice->config[i].interface[j]; - - if (buf) { - *pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len); - /* FIXME: */ - *pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len); - } - - for(k=0; knum_altsetting; k++) - { - unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints; - WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors; - WDU_PIPE_INFO **pPipes; - - if (buf) { - WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len); - - altset->Descriptor.bLength = interface->altsetting[k].bLength; - altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType; - altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber; - altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting; - altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints; - altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass; - altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass; - altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol; - altset->Descriptor.iInterface = interface->altsetting[k].iInterface; - pEndpointDescriptors = &(altset->pEndpointDescriptors); - pPipes = &(altset->pPipes); - - } - len +=sizeof(WDU_ALTERNATE_SETTING); - - if (buf) { - *pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len); - for (l = 0; l < bNumEndpoints; l++) { - WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len); - - ed->bLength = interface->altsetting[k].endpoint[l].bLength; - ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType; - ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress; - ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes; - ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize; - ed->bInterval = interface->altsetting[k].endpoint[l].bInterval; - - len += sizeof(WDU_ENDPOINT_DESCRIPTOR); - } - - *pPipes = (WDU_PIPE_INFO*)(buf+len); - for (l = 0; l < bNumEndpoints; l++) { - WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len); - - pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress; - pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize); - pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK; - if (pi->type == PIPE_TYPE_CONTROL) - pi->direction = WDU_DIR_IN_OUT; - else - { - pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ? WDU_DIR_IN : WDU_DIR_OUT; - } - - pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval; - - len += sizeof(WDU_PIPE_INFO); - } - } else { - len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints; - } - } - } - } - - return len; -} - -int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { +static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { struct header_struct* wdheader = (struct header_struct*)wdioctl; struct version_struct *version; int ret = 0; @@ -219,360 +86,361 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { return (*ioctl_func) (fd, request, wdioctl); } - switch(request) { + switch(request & ~(0xc0000000)) { case VERSION: version = (struct version_struct*)(wdheader->data); - strcpy(version->version, "WinDriver no more"); - version->versionul = 999; -#ifdef DEBUG - fprintf(stderr,"faking VERSION\n"); -#endif + strcpy(version->version, "libusb-driver.so version: " USB_DRIVER_VERSION); + version->versionul = 802; + DPRINTF("VERSION\n"); break; case LICENSE: -#ifdef DEBUG - fprintf(stderr,"faking LICENSE\n"); -#endif + DPRINTF("LICENSE\n"); break; + case CARD_REGISTER_OLD: case CARD_REGISTER: - /* TODO: Implement for LPT-support */ -#if 0 + DPRINTF("CARD_REGISTER\n"); { struct card_register* cr = (struct card_register*)(wdheader->data); - } -#endif -#ifdef DEBUG - fprintf(stderr,"faking CARD_REGISTER\n"); + + 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); + } break; case USB_TRANSFER: -#ifdef DEBUG - fprintf(stderr,"in USB_TRANSFER"); -#endif + DPRINTF("USB_TRANSFER\n"); { struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data); #ifdef DEBUG - 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"); + 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 - /* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */ - if (ut->dwPipeNum == 0) { /* control pipe */ - int requesttype, request, value, index, size; - requesttype = ut->SetupPacket[0]; - request = ut->SetupPacket[1]; - value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8); - index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8); - size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8); -#ifdef DEBUG - fprintf(stderr, "requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size); -#endif - ret = usb_control_msg(usb_devhandle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout); - } else { - if (ut->fRead) { - ret = usb_bulk_read(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); - - } else { - ret = usb_bulk_write(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); - } - } - - if (ret < 0) { - fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror()); - } else { - ut->dwBytesTransferred = ret; - ret = 0; - } + ret = xpcu_transfer(ut); #endif #ifdef DEBUG - fprintf(stderr,"Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); + DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); if (ut->fRead && ut->dwBytesTransferred) { - fprintf(stderr,"Read: "); - hexdump(ut->pBuffer, ut->dwBytesTransferred); - fprintf(stderr,"\n"); + hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-"); } #endif } break; + case INT_ENABLE_OLD: case INT_ENABLE: -#ifdef DEBUG - fprintf(stderr,"INT_ENABLE\n"); -#endif + DPRINTF("INT_ENABLE\n"); { struct interrupt *it = (struct interrupt*)(wdheader->data); -#ifdef DEBUG - fprintf(stderr,"Handle: %lu, 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); + 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; - ints_enabled = 1; - pthread_mutex_trylock(&int_wait); + 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: -#ifdef DEBUG - fprintf(stderr,"INT_DISABLE\n"); -#endif + DPRINTF("INT_DISABLE\n"); { struct interrupt *it = (struct interrupt*)(wdheader->data); -#ifdef DEBUG - fprintf(stderr,"Handle: %lu, 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); -#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); #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - it->dwCounter = 0; - it->fStopped = 1; - ints_enabled = 0; - pthread_mutex_unlock(&int_wait); -#endif -#ifdef DEBUG - fprintf(stderr,"Handle: %lu, 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); + 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: -#ifdef DEBUG - fprintf(stderr,"USB_SET_INTERFACE\n"); -#endif + DPRINTF("USB_SET_INTERFACE\n"); { struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data); -#ifdef DEBUG - fprintf(stderr,"unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", usi->dwUniqueID, usi->dwInterfaceNum, usi->dwAlternateSetting, usi->dwOptions); -#endif + 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 - if (usbdevice) { - if (!usb_devhandle) - usb_devhandle = usb_open(usbdevice); - - /* FIXME: Select right interface! */ - ret = usb_claim_interface(usb_devhandle, usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber); - if (!ret) { - if(!ret) { - ret = usb_set_altinterface(usb_devhandle, usi->dwAlternateSetting); - if (ret) - fprintf(stderr, "usb_set_altinterface: %d\n", ret); - } else { - fprintf(stderr, "usb_set_configuration: %d (%s)\n", ret, usb_strerror()); - } - } else { - fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n", usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber, ret, usb_strerror()); - } - } -#endif -#ifdef DEBUG - fprintf(stderr,"unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", usi->dwUniqueID, usi->dwInterfaceNum, usi->dwAlternateSetting, usi->dwOptions); + 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: -#ifdef DEBUG - fprintf(stderr,"faking USB_GET_DEVICE_DATA\n"); -#endif + DPRINTF("USB_GET_DEVICE_DATA\n"); { struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data); - int pSize; -#ifdef DEBUG - fprintf(stderr, "unique: %lu, bytes: %lu, options: %lx\n", ugdd->dwUniqueID, ugdd->dwBytes, ugdd->dwOptions); -#endif - pSize = ugdd->dwBytes; - if (!ugdd->dwBytes) { - if (usbdevice) { - ugdd->dwBytes = usb_deviceinfo(NULL); - } - } else { - usb_deviceinfo((unsigned char*)ugdd->pBuf); - } + 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: -#ifdef DEBUG - fprintf(stderr,"EVENT_REGISTER\n"); -#endif + DPRINTF("EVENT_REGISTER\n"); { struct event *e = (struct event*)(wdheader->data); - struct usb_bus *bus; - int i; - #ifdef DEBUG - 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); -#endif - for (i = 0; i < e->dwNumMatchTables; i++) { -#ifdef DEBUG - fprintf(stderr,"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); + int i; #endif - for (bus = busses; bus; bus = bus->next) { - struct usb_device *dev; - - for (dev = bus->devices; dev; dev = dev->next) { - struct usb_device_descriptor *desc = &(dev->descriptor); - - if((desc->idVendor == e->matchTables[i].VendorId) && - (desc->idProduct == e->matchTables[i].ProductId) && - (desc->bDeviceClass == e->matchTables[i].bDeviceClass) && - (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass)) { - int ac; - for (ac = 0; ac < desc->bNumConfigurations; ac++) { - struct usb_interface *interface = dev->config[ac].interface; - int ai; - - for (ai = 0; ai < interface->num_altsetting; ai++) { -#ifdef DEBUG - fprintf(stderr, "intclass: %x, intsubclass: %x, intproto: %x\n", interface->altsetting[i].bInterfaceClass, interface->altsetting[i].bInterfaceSubClass, interface->altsetting[i].bInterfaceProtocol); -#endif - if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) && - (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){ - /* TODO: check interfaceClass! */ -#ifdef DEBUG - fprintf(stderr,"!!!FOUND DEVICE WITH LIBUSB!!!\n"); -#endif - usbdevice = dev; - card_type = e->dwCardType; - } - } - } - } - } - } - } + 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 - e->handle++; + ret = xpcu_find(e); #endif #ifdef DEBUG - 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); + 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); + for (i = 0; i < e->dwNumMatchTables; i++) - fprintf(stderr,"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); + 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"); + DPRINTF("TRANSFER\n"); + { + WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data); + #ifndef NO_WINDRVR - ret = (*ioctl_func) (fd, request, wdioctl); + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = pport->transfer(tr, fd, request, ppbase, ecpbase, 1); #endif + } break; - case EVENT_UNREGISTER: -#ifdef DEBUG - fprintf(stderr,"EVENT_UNREGISTER\n"); + 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: + { + struct event *e = (struct event*)(wdheader->data); + + DPRINTF("EVENT_UNREGISTER\n"); #ifndef NO_WINDRVR - ret = (*ioctl_func) (fd, request, wdioctl); + ret = (*ioctl_func) (fd, request, wdioctl); +#else + ret = xpcu_close(e); #endif + } break; case INT_WAIT: -#ifdef DEBUG - fprintf(stderr,"INT_WAIT\n"); -#endif + DPRINTF("INT_WAIT\n"); { struct interrupt *it = (struct interrupt*)(wdheader->data); -#ifdef DEBUG - fprintf(stderr,"Handle: %lu, 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); -#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); #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - if (usbdevice) { - if (it->dwCounter == 0) { - it->dwCounter = 1; - } else { - pthread_mutex_lock(&int_wait); - pthread_mutex_unlock(&int_wait); - } - } else { - pthread_mutex_lock(&int_wait); - pthread_mutex_unlock(&int_wait); - } + ret = xpcu_int_wait(it); #endif -#ifdef DEBUG - fprintf(stderr,"INT_WAIT_RETURN: Handle: %lu, 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); -#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"); + 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); + ret = (*ioctl_func) (fd, request, wdioctl); +#else + if (pport) + pport->close(cr->hCard); + + pport = NULL; #endif + } break; case EVENT_PULL: -#ifdef DEBUG - fprintf(stderr,"EVENT_PULL\n"); -#endif + DPRINTF("EVENT_PULL\n"); { struct event *e = (struct event*)(wdheader->data); #ifdef DEBUG int i; - fprintf(stderr,"handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lx, 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); + 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++) - fprintf(stderr,"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); + 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 - if (usbdevice) { - struct usb_interface *interface = usbdevice->config->interface; - - e->dwCardType = card_type; - e->dwAction = 1; - e->dwEventId = 109; - e->u.Usb.dwUniqueID = 110; - e->matchTables[0].VendorId = usbdevice->descriptor.idVendor; - e->matchTables[0].ProductId = usbdevice->descriptor.idProduct; - e->matchTables[0].bDeviceClass = usbdevice->descriptor.bDeviceClass; - e->matchTables[0].bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass; - e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass; - e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass; - e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol; - } + ret = xpcu_found(e); #endif #ifdef DEBUG - fprintf(stderr,"handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lx, 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); + 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++) - fprintf(stderr,"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); + 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 } @@ -589,24 +457,24 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { return ret; } -int ioctl(int fd, int request, ...) { +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 (REAL_LIBC, "ioctl"); + ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl"); va_start (args, 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, ...) { @@ -616,7 +484,7 @@ int open (const char *pathname, int flags, ...) { int fd; if (!func) - func = (int (*) (const char *, int, mode_t)) dlsym (REAL_LIBC, "open"); + func = (int (*) (const char *, int, mode_t)) dlsym (RTLD_NEXT, "open"); if (flags & O_CREAT) { va_start(args, flags); @@ -625,21 +493,16 @@ int open (const char *pathname, int flags, ...) { } if (!strcmp (pathname, "/dev/windrvr6")) { -#ifdef DEBUG - fprintf(stderr,"opening windrvr6\n"); -#endif + 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 - if (!busses) { - usb_init(); - usb_find_busses(); - usb_find_devices(); - - busses = usb_get_busses(); - } return fd; } @@ -649,15 +512,22 @@ int open (const char *pathname, int flags, ...) { int close(int fd) { static int (*func) (int) = NULL; + int i; if (!func) - func = (int (*) (int)) dlsym(REAL_LIBC, "close"); + func = (int (*) (int)) dlsym(RTLD_NEXT, "close"); - if (fd == windrvrfd) { -#ifdef DEBUG - fprintf(stderr,"close windrvrfd\n"); -#endif - windrvrfd = 0; + 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); @@ -666,16 +536,41 @@ int close(int fd) { FILE *fopen(const char *path, const char *mode) { FILE *ret; static FILE* (*func) (const char*, const char*) = NULL; + char buf[256]; + int i; if (!func) - func = (FILE* (*) (const char*, const char*)) dlsym(REAL_LIBC, "fopen"); + func = (FILE* (*) (const char*, const char*)) dlsym(RTLD_NEXT, "fopen"); + + for (i = 0; i < 4; i++) { + snprintf(buf, sizeof(buf), "/proc/sys/dev/parport/parport%d/base-addr", i); + if (!strcmp(path, buf)) { + DPRINTF("open base-addr of parport%d\n", i); + if (config_is_real_pport(i)) { + ret = (*func) (path, mode); + } else { + ret = (*func) ("/dev/null", mode); + } + + if (ret) { + baseaddrfp = ret; + baseaddrnum = i; + } + + return ret; + } + } ret = (*func) (path, mode); - if (!strcmp (path, "/proc/modules")) { -#ifdef DEBUG - fprintf(stderr,"opening /proc/modules\n"); -#endif + 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; @@ -687,19 +582,25 @@ FILE *fopen(const char *path, const char *mode) { char *fgets(char *s, int size, FILE *stream) { static char* (*func) (char*, int, FILE*) = NULL; - const char modules[] = "windrvr6 160960 0 - Live 0xf98b0000\n"; + const char modules[][256] = {"windrvr6 1 0 - Live 0xdeadbeef\n", "parport_pc 1 0 - Live 0xdeadbeef\n"}; + char buf[256]; char *ret = NULL; if (!func) - func = (char* (*) (char*, int, FILE*)) dlsym(REAL_LIBC, "fgets"); + func = (char* (*) (char*, int, FILE*)) dlsym(RTLD_NEXT, "fgets"); if (modulesfp == stream) { - if (!modules_read) { - strcpy(s, modules); + if (modules_read < sizeof(modules) / sizeof(modules[0])) { + strcpy(s, modules[modules_read]); ret = s; - modules_read = 1; + 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); } @@ -711,12 +612,184 @@ int fclose(FILE *fp) { static int (*func) (FILE*) = NULL; if (!func) - func = (int (*) (FILE*)) dlsym(REAL_LIBC, "fclose"); + func = (int (*) (FILE*)) dlsym(RTLD_NEXT, "fclose"); if (fp == modulesfp) { modulesfp = NULL; } + + if (fp == baseaddrfp) { + baseaddrfp = NULL; + } return (*func)(fp); } + +int access(const char *pathname, int mode) { + static int (*func) (const char*, int); + + if (!func) + func = (int (*) (const char*, int)) dlsym(RTLD_NEXT, "access"); + + if (pathname && !strcmp(pathname, "/dev/windrvr6")) { + return 0; + } else { + return (*func)(pathname, mode); + } +} + +#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 (*) (int, struct sembuf*, size_t)) dlsym(RTLD_NEXT, "semop"); + + 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 (*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; +} + +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 +}