748 lines
20 KiB
C
748 lines
20 KiB
C
/* libusb/ppdev connector for XILINX impact
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*
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* Copyright (c) 2007 Michael Gernoth <michael@gernoth.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#define _GNU_SOURCE 1
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#include <dlfcn.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <stdio.h>
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#include <usb.h>
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#include <signal.h>
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#include <pthread.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <sys/ioctl.h>
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#include <sys/utsname.h>
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#include <bits/wordsize.h>
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#include "usb-driver.h"
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#include "config.h"
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#include "xpcu.h"
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static int (*ioctl_func) (int, int, void *) = NULL;
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static int windrvrfd = -1;
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static unsigned long ppbase = 0;
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static unsigned long ecpbase = 0;
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static struct parport_config *pport = NULL;
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static struct xpcu_s *xpcu = NULL;
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static FILE *modulesfp = NULL;
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static FILE *baseaddrfp = NULL;
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static int baseaddrnum = 0;
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static int modules_read = 0;
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static int ints_enabled = 0;
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static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
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#define NO_WINDRVR 1
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void hexdump(unsigned char *buf, int len) {
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int i;
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for(i=0; i<len; i++) {
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fprintf(stderr,"%02x ", buf[i]);
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if ((i % 16) == 15)
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fprintf(stderr,"\n");
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}
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fprintf(stderr,"\n");
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}
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static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
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struct header_struct* wdheader = (struct header_struct*)wdioctl;
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struct version_struct *version;
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int ret = 0;
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if (wdheader->magic != MAGIC) {
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fprintf(stderr,"!!!ERROR: magic header does not match!!!\n");
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return (*ioctl_func) (fd, request, wdioctl);
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}
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switch(request & ~(0xc0000000)) {
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case VERSION:
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version = (struct version_struct*)(wdheader->data);
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strcpy(version->version, "libusb-driver.so version: " USB_DRIVER_VERSION);
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version->versionul = 802;
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DPRINTF("VERSION\n");
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break;
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case LICENSE:
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DPRINTF("LICENSE\n");
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break;
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case CARD_REGISTER_OLD:
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case CARD_REGISTER:
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DPRINTF("CARD_REGISTER\n");
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{
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struct card_register* cr = (struct card_register*)(wdheader->data);
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DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n",
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cr->Card.dwItems,
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(unsigned long)cr->Card.Item[0].I.IO.dwAddr,
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cr->Card.Item[0].I.IO.dwBytes,
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cr->Card.Item[0].I.IO.dwBar);
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DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n",
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cr->Card.dwItems,
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(unsigned long)cr->Card.Item[1].I.IO.dwAddr,
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cr->Card.Item[1].I.IO.dwBytes,
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cr->Card.Item[1].I.IO.dwBar);
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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pport = config_get((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
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if (!pport)
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break;
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ret = pport->open((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
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ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
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if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr)
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ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr;
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if (ret >= 0) {
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cr->hCard = ret;
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} else {
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cr->hCard = 0;
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}
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#endif
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DPRINTF("hCard: %lu\n", cr->hCard);
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}
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break;
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case USB_TRANSFER:
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DPRINTF("in USB_TRANSFER");
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{
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struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data);
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#ifdef DEBUG
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DPRINTF(" unique: %lu, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\n",
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ut->dwUniqueID, ut->dwPipeNum, ut->fRead,
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ut->dwOptions, ut->dwBufferSize, ut->dwTimeout);
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if (ut->dwPipeNum == 0) {
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DPRINTF("setup packet: ");
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hexdump(ut->SetupPacket, 8);
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}
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if (!ut->fRead && ut->dwBufferSize)
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{
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hexdump(ut->pBuffer, ut->dwBufferSize);
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}
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#endif
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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xpcu_transfer(xpcu, ut);
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#endif
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#ifdef DEBUG
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DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
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if (ut->fRead && ut->dwBytesTransferred)
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{
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DPRINTF("Read: ");
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hexdump(ut->pBuffer, ut->dwBytesTransferred);
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}
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#endif
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}
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break;
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case INT_ENABLE_OLD:
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case INT_ENABLE:
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DPRINTF("INT_ENABLE\n");
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{
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struct interrupt *it = (struct interrupt*)(wdheader->data);
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DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
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it->hInterrupt, it->dwOptions,
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it->dwCmds, it->fEnableOk, it->dwCounter,
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it->dwLost, it->fStopped);
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it->fEnableOk = 1;
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it->fStopped = 0;
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ints_enabled = 1;
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pthread_mutex_trylock(&int_wait);
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}
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break;
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case INT_DISABLE:
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DPRINTF("INT_DISABLE\n");
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{
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struct interrupt *it = (struct interrupt*)(wdheader->data);
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DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
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it->hInterrupt, it->dwOptions,
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it->dwCmds, it->fEnableOk, it->dwCounter,
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it->dwLost, it->fStopped);
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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it->dwCounter = 0;
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it->fStopped = 1;
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ints_enabled = 0;
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if (pthread_mutex_trylock(&int_wait) == EBUSY)
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pthread_mutex_unlock(&int_wait);
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#endif
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DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
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it->hInterrupt, it->dwOptions,
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it->dwCmds, it->fEnableOk, it->dwCounter,
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it->dwLost, it->fStopped);
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}
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break;
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case USB_SET_INTERFACE:
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DPRINTF("USB_SET_INTERFACE\n");
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{
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struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data);
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DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
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usi->dwUniqueID, usi->dwInterfaceNum,
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usi->dwAlternateSetting, usi->dwOptions);
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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xpcu_set_interface(xpcu, usi);
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#endif
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DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
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usi->dwUniqueID, usi->dwInterfaceNum,
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usi->dwAlternateSetting, usi->dwOptions);
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}
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break;
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case USB_GET_DEVICE_DATA_OLD:
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case USB_GET_DEVICE_DATA:
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DPRINTF("USB_GET_DEVICE_DATA\n");
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{
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struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data);
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int pSize;
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DPRINTF("unique: %lu, bytes: %lu, options: %lx\n",
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ugdd->dwUniqueID, ugdd->dwBytes,
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ugdd->dwOptions);
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pSize = ugdd->dwBytes;
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if (!ugdd->dwBytes) {
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if (xpcu->dev) {
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ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
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}
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} else {
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xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
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}
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}
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break;
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case EVENT_REGISTER_OLD:
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case EVENT_REGISTER:
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DPRINTF("EVENT_REGISTER\n");
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{
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struct event *e = (struct event*)(wdheader->data);
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struct usb_bus *bus;
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char* devpos;
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int busnum = -1, devnum = -1;
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int i;
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DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
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e->handle, e->dwAction,
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e->dwStatus, e->dwEventId, e->dwCardType,
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e->hKernelPlugIn, e->dwOptions,
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e->u.Usb.deviceId.dwVendorId,
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e->u.Usb.deviceId.dwProductId,
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e->u.Usb.dwUniqueID, e->dwEventVer,
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e->dwNumMatchTables);
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devpos = getenv("XILINX_USB_DEV");
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if (devpos != NULL) {
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int j;
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char *devstr = NULL, *remainder;
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DPRINTF("XILINX_USB_DEV=%s\n", devpos);
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for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
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if (devpos[j] == ':') {
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devpos[j] = 0;
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devstr = &(devpos[j+1]);
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}
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}
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if (devstr && strlen(devstr) > 0) {
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busnum = strtol(devpos, &remainder, 10);
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if (devpos == remainder) {
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busnum = -1;
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} else {
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devnum = strtol(devstr, &remainder, 10);
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if (devstr == remainder) {
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busnum = -1;
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devnum = -1;
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} else {
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fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
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busnum, devnum);
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}
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}
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}
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}
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for (i = 0; i < e->dwNumMatchTables; i++) {
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DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
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e->matchTables[i].VendorId,
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e->matchTables[i].ProductId,
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e->matchTables[i].bDeviceClass,
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e->matchTables[i].bDeviceSubClass,
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e->matchTables[i].bInterfaceClass,
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e->matchTables[i].bInterfaceSubClass,
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e->matchTables[i].bInterfaceProtocol);
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for (bus = xpcu->busses; bus; bus = bus->next) {
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struct usb_device *dev;
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if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
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continue;
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for (dev = bus->devices; dev; dev = dev->next) {
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struct usb_device_descriptor *desc = &(dev->descriptor);
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if((desc->idVendor == e->matchTables[i].VendorId) &&
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(desc->idProduct == e->matchTables[i].ProductId) &&
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(desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
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(desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
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((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) {
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int ac;
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for (ac = 0; ac < desc->bNumConfigurations; ac++) {
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struct usb_interface *interface = dev->config[ac].interface;
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int ai;
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for (ai = 0; ai < interface->num_altsetting; ai++) {
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DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n",
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interface->altsetting[i].bInterfaceClass,
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interface->altsetting[i].bInterfaceSubClass,
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interface->altsetting[i].bInterfaceProtocol);
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if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
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(interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
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/* TODO: check interfaceClass! */
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DPRINTF("found device with libusb\n");
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xpcu->dev = dev;
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xpcu->card_type = e->dwCardType;
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}
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}
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}
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}
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}
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}
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}
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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e->handle++;
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#endif
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#ifdef DEBUG
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DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
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e->handle, e->dwAction,
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e->dwStatus, e->dwEventId, e->dwCardType,
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e->hKernelPlugIn, e->dwOptions,
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e->u.Usb.deviceId.dwVendorId,
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e->u.Usb.deviceId.dwProductId,
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e->u.Usb.dwUniqueID, e->dwEventVer,
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e->dwNumMatchTables);
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for (i = 0; i < e->dwNumMatchTables; i++)
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DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
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e->matchTables[i].VendorId,
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e->matchTables[i].ProductId,
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e->matchTables[i].bDeviceClass,
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e->matchTables[i].bDeviceSubClass,
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e->matchTables[i].bInterfaceClass,
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e->matchTables[i].bInterfaceSubClass,
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e->matchTables[i].bInterfaceProtocol);
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#endif
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}
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break;
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case TRANSFER_OLD:
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case TRANSFER:
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DPRINTF("TRANSFER\n");
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{
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WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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ret = pport->transfer(tr, fd, request, ppbase, ecpbase, 1);
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#endif
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}
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break;
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case MULTI_TRANSFER_OLD:
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case MULTI_TRANSFER:
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DPRINTF("MULTI_TRANSFER\n");
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{
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WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
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unsigned long num = wdheader->size/sizeof(WD_TRANSFER);
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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ret = pport->transfer(tr, fd, request, ppbase, ecpbase, num);
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#endif
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}
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break;
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case EVENT_UNREGISTER:
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DPRINTF("EVENT_UNREGISTER\n");
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#endif
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break;
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case INT_WAIT:
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DPRINTF("INT_WAIT\n");
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{
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struct interrupt *it = (struct interrupt*)(wdheader->data);
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DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
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it->hInterrupt, it->dwOptions,
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it->dwCmds, it->fEnableOk, it->dwCounter,
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it->dwLost, it->fStopped);
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|
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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if (xpcu->dev) {
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if (it->dwCounter == 0) {
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it->dwCounter = 1;
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} else {
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pthread_mutex_lock(&int_wait);
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pthread_mutex_unlock(&int_wait);
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}
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} else {
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pthread_mutex_lock(&int_wait);
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pthread_mutex_unlock(&int_wait);
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}
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#endif
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DPRINTF("INT_WAIT_RETURN: Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
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it->hInterrupt, it->dwOptions, it->dwCmds,
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it->fEnableOk, it->dwCounter, it->dwLost,
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it->fStopped);
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}
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break;
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case CARD_UNREGISTER:
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DPRINTF("CARD_UNREGISTER\n");
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{
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struct card_register* cr = (struct card_register*)(wdheader->data);
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DPRINTF("Addr: 0x%lx, bytes: %lu, bar: %lu\n",
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(unsigned long)cr->Card.Item[0].I.IO.dwAddr,
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cr->Card.Item[0].I.IO.dwBytes,
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cr->Card.Item[0].I.IO.dwBar);
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DPRINTF("hCard: %lu\n", cr->hCard);
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#ifndef NO_WINDRVR
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ret = (*ioctl_func) (fd, request, wdioctl);
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#else
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if (pport)
|
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pport->close(cr->hCard);
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|
|
|
pport = NULL;
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case EVENT_PULL:
|
|
DPRINTF("EVENT_PULL\n");
|
|
{
|
|
struct event *e = (struct event*)(wdheader->data);
|
|
#ifdef DEBUG
|
|
int i;
|
|
|
|
DPRINTF("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);
|
|
|
|
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
|
|
if (xpcu->dev) {
|
|
struct usb_interface *interface = xpcu->dev->config->interface;
|
|
|
|
e->dwCardType = xpcu->card_type;
|
|
e->dwAction = 1;
|
|
e->dwEventId = 109;
|
|
e->u.Usb.dwUniqueID = 110;
|
|
e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
|
|
e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
|
|
e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
|
|
e->matchTables[0].bDeviceSubClass = xpcu->dev->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;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
DPRINTF("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);
|
|
|
|
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 ret;
|
|
|
|
if (!ioctl_func)
|
|
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);
|
|
|
|
return ret;
|
|
}
|
|
|
|
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 = (int (*) (const char *, int, mode_t)) dlsym (RTLD_NEXT, "open");
|
|
|
|
if (flags & O_CREAT) {
|
|
va_start(args, flags);
|
|
mode = va_arg(args, mode_t);
|
|
va_end(args);
|
|
}
|
|
|
|
if (!strcmp (pathname, "/dev/windrvr6")) {
|
|
DPRINTF("opening windrvr6\n");
|
|
#ifdef NO_WINDRVR
|
|
windrvrfd = fd = (*func) ("/dev/null", flags, mode);
|
|
#else
|
|
windrvrfd = fd = (*func) (pathname, flags, mode);
|
|
#endif
|
|
if (!xpcu)
|
|
xpcu = xpcu_open();
|
|
|
|
return fd;
|
|
}
|
|
|
|
return (*func) (pathname, flags, mode);
|
|
}
|
|
|
|
int close(int fd) {
|
|
static int (*func) (int) = NULL;
|
|
|
|
if (!func)
|
|
func = (int (*) (int)) dlsym(RTLD_NEXT, "close");
|
|
|
|
if (fd == windrvrfd && windrvrfd >= 0) {
|
|
DPRINTF("close windrvrfd\n");
|
|
|
|
if (xpcu)
|
|
xpcu_close(xpcu);
|
|
|
|
xpcu = NULL;
|
|
windrvrfd = -1;
|
|
}
|
|
|
|
return (*func) (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(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")) {
|
|
DPRINTF("opening /proc/modules\n");
|
|
#ifdef NO_WINDRVR
|
|
modulesfp = ret;
|
|
modules_read = 0;
|
|
#endif
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
char *fgets(char *s, int size, FILE *stream) {
|
|
static char* (*func) (char*, int, FILE*) = NULL;
|
|
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(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;
|
|
}
|
|
|
|
int fclose(FILE *fp) {
|
|
static int (*func) (FILE*) = NULL;
|
|
|
|
if (!func)
|
|
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 __WORDSIZE == 32
|
|
int uname (struct utsname *__name) {
|
|
static int (*func) (struct utsname*);
|
|
int ret;
|
|
|
|
if (!func)
|
|
func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname");
|
|
|
|
ret = (*func)(__name);
|
|
|
|
if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
|
|
strcpy(__name->machine, "i686");
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|