796 lines
21 KiB
C
796 lines
21 KiB
C
/* libusb/ppdev connector for XILINX impact
|
|
*
|
|
* Copyright (c) 2007 Michael Gernoth <michael@gernoth.net>
|
|
*
|
|
* 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
|
|
|
|
#include <dlfcn.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <inttypes.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/utsname.h>
|
|
#include <bits/wordsize.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/sem.h>
|
|
#include <sys/mman.h>
|
|
#include <syscall.h>
|
|
#include <linux/personality.h>
|
|
#include "usb-driver.h"
|
|
#include "config.h"
|
|
#include "xpcu.h"
|
|
|
|
static int (*ioctl_func) (int, int, void *) = NULL;
|
|
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; i<len; i++) {
|
|
fprintf(stderr,"%02x ", buf[i]);
|
|
if ((i % 16) == 7)
|
|
fprintf(stderr," ");
|
|
if (((i % 16) == 15) && ((i+1) < len))
|
|
fprintf(stderr,"\n%s %03x: ", prefix, i+1);
|
|
}
|
|
fprintf(stderr,"\n");
|
|
}
|
|
|
|
|
|
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;
|
|
|
|
if (wdheader->magic != MAGIC) {
|
|
fprintf(stderr,"!!!ERROR: magic header does not match!!!\n");
|
|
return (*ioctl_func) (fd, request, wdioctl);
|
|
}
|
|
|
|
switch(request & ~(0xc0000000)) {
|
|
case VERSION:
|
|
version = (struct version_struct*)(wdheader->data);
|
|
strcpy(version->version, "libusb-driver.so version: " USB_DRIVER_VERSION);
|
|
version->versionul = 802;
|
|
DPRINTF("VERSION\n");
|
|
break;
|
|
|
|
case LICENSE:
|
|
DPRINTF("LICENSE\n");
|
|
break;
|
|
|
|
case CARD_REGISTER_OLD:
|
|
case CARD_REGISTER:
|
|
DPRINTF("CARD_REGISTER\n");
|
|
{
|
|
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);
|
|
}
|
|
break;
|
|
|
|
case USB_TRANSFER:
|
|
DPRINTF("USB_TRANSFER\n");
|
|
{
|
|
struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data);
|
|
|
|
#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, "->");
|
|
}
|
|
#endif
|
|
|
|
#ifndef NO_WINDRVR
|
|
ret = (*ioctl_func) (fd, request, wdioctl);
|
|
#else
|
|
ret = xpcu_transfer(ut);
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
|
|
if (ut->fRead && ut->dwBytesTransferred)
|
|
{
|
|
hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-");
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case INT_ENABLE_OLD:
|
|
case INT_ENABLE:
|
|
DPRINTF("INT_ENABLE\n");
|
|
{
|
|
struct interrupt *it = (struct interrupt*)(wdheader->data);
|
|
|
|
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
|
|
|
|
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:
|
|
DPRINTF("INT_DISABLE\n");
|
|
{
|
|
struct interrupt *it = (struct interrupt*)(wdheader->data);
|
|
|
|
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, 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:
|
|
DPRINTF("USB_SET_INTERFACE\n");
|
|
{
|
|
struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data);
|
|
|
|
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:
|
|
DPRINTF("USB_GET_DEVICE_DATA\n");
|
|
{
|
|
struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data);
|
|
|
|
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:
|
|
DPRINTF("EVENT_REGISTER\n");
|
|
{
|
|
struct event *e = (struct event*)(wdheader->data);
|
|
#ifdef DEBUG
|
|
int i;
|
|
#endif
|
|
|
|
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);
|
|
|
|
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;
|
|
|
|
case TRANSFER_OLD:
|
|
case TRANSFER:
|
|
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:
|
|
{
|
|
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:
|
|
DPRINTF("INT_WAIT\n");
|
|
{
|
|
struct interrupt *it = (struct interrupt*)(wdheader->data);
|
|
|
|
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_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:
|
|
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:
|
|
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;
|
|
|
|
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);
|
|
|
|
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 = (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 (%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 (*func) (pathname, flags, mode);
|
|
}
|
|
|
|
int close(int fd) {
|
|
static int (*func) (int) = NULL;
|
|
int 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);
|
|
}
|
|
|
|
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");
|
|
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;
|
|
#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 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
|
|
}
|