#include <sys/stat.h>
#include <sys/time.h>
#include <stdio.h>
-#include <usb.h>
#include <signal.h>
-#include <pthread.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 windrvrfd = -1;
+static int *windrvrfds = NULL;
+static int windrvrfds_count = 0;
static unsigned long ppbase = 0;
static unsigned long ecpbase = 0;
static struct parport_config *pport = NULL;
-static struct xpcu_s *xpcu = NULL;
static FILE *modulesfp = NULL;
static FILE *baseaddrfp = NULL;
static int baseaddrnum = 0;
static int modules_read = 0;
-static unsigned long card_type;
-static int ints_enabled = 0;
-static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
#define NO_WINDRVR 1
-void hexdump(unsigned char *buf, int len) {
- int i;
+void hexdump(unsigned char *buf, int len, char *prefix) {
+ int i = 0;
- for(i=0; i<len; i++) {
+ fprintf(stderr, "%s %03x: ", prefix, i);
+ for(i = 0; i<len; i++) {
fprintf(stderr,"%02x ", buf[i]);
- if ((i % 16) == 15)
- fprintf(stderr,"\n");
+ if ((i % 16) == 7)
+ fprintf(stderr," ");
+ if (((i % 16) == 15) && ((i+1) < len))
+ fprintf(stderr,"\n%s %03x: ", prefix, i+1);
}
fprintf(stderr,"\n");
}
{
struct card_register* cr = (struct card_register*)(wdheader->data);
- DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\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",
+ 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,
#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)
cr->hCard = 0;
}
#endif
- DPRINTF("hCard: %lu\n", cr->hCard);
+ DPRINTF("<-hCard: %lu\n", cr->hCard);
}
break;
case USB_TRANSFER:
- DPRINTF("in USB_TRANSFER");
+ DPRINTF("USB_TRANSFER\n");
{
struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data);
#ifdef DEBUG
- DPRINTF(" unique: %lu, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\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);
+ DPRINTF("-> setup packet:");
+ hexdump(ut->SetupPacket, 8, "");
}
if (!ut->fRead && ut->dwBufferSize)
{
- hexdump(ut->pBuffer, ut->dwBufferSize);
+ hexdump(ut->pBuffer, ut->dwBufferSize, "->");
}
#endif
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- xpcu_transfer(xpcu, ut);
+ ret = xpcu_transfer(ut);
#endif
#ifdef DEBUG
DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
if (ut->fRead && ut->dwBytesTransferred)
{
- DPRINTF("Read: ");
- hexdump(ut->pBuffer, ut->dwBytesTransferred);
+ hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-");
}
#endif
}
{
struct interrupt *it = (struct interrupt*)(wdheader->data);
- DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
+ 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);
- it->fEnableOk = 1;
- it->fStopped = 0;
- ints_enabled = 1;
- pthread_mutex_trylock(&int_wait);
+#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;
{
struct interrupt *it = (struct interrupt*)(wdheader->data);
- DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
+ 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;
- if (pthread_mutex_trylock(&int_wait) == EBUSY)
- pthread_mutex_unlock(&int_wait);
+ ret = xpcu_int_state(it, DISABLE_INTERRUPT);
#endif
- DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
+ 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);
{
struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data);
- DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
+ 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 (xpcu->dev) {
- if (!xpcu->handle) {
- xpcu->handle = usb_open(xpcu->dev);
-#ifndef NO_USB_RESET
- if (xpcu->handle) {
- usb_reset(xpcu->handle);
- xpcu->handle = usb_open(xpcu->dev);
- }
-#endif
- }
-
- xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
- xpcu->alternate = usi->dwAlternateSetting;
- }
+ ret = xpcu_set_interface(usi);
#endif
- DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
+ DPRINTF("<- unique: 0x%lx, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
usi->dwUniqueID, usi->dwInterfaceNum,
usi->dwAlternateSetting, usi->dwOptions);
}
DPRINTF("USB_GET_DEVICE_DATA\n");
{
struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data);
- int pSize;
- DPRINTF("unique: %lu, bytes: %lu, options: %lx\n",
+ DPRINTF("-> unique: 0x%lx, bytes: %lu, options: %lx\n",
ugdd->dwUniqueID, ugdd->dwBytes,
ugdd->dwOptions);
- pSize = ugdd->dwBytes;
- if (!ugdd->dwBytes) {
- if (xpcu->dev) {
- ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
- }
- } else {
- xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
- }
+ ret = xpcu_deviceinfo(ugdd);
+
}
break;
DPRINTF("EVENT_REGISTER\n");
{
struct event *e = (struct event*)(wdheader->data);
- struct usb_bus *bus;
- char* devpos;
- int busnum = -1, devnum = -1;
+#ifdef DEBUG
int i;
+#endif
- 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",
+ 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.dwUniqueID, e->dwEventVer,
e->dwNumMatchTables);
- devpos = getenv("XILINX_USB_DEV");
- if (devpos != NULL) {
- int j;
- char *devstr = NULL, *remainder;
-
- DPRINTF("XILINX_USB_DEV=%s\n", devpos);
-
- for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
- if (devpos[j] == ':') {
- devpos[j] = 0;
- devstr = &(devpos[j+1]);
- }
- }
-
- if (devstr && strlen(devstr) > 0) {
- busnum = strtol(devpos, &remainder, 10);
- if (devpos == remainder) {
- busnum = -1;
- } else {
- devnum = strtol(devstr, &remainder, 10);
- if (devstr == remainder) {
- busnum = -1;
- devnum = -1;
- } else {
- fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
- busnum, devnum);
- }
- }
- }
- }
-
- 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);
-
- for (bus = xpcu->busses; bus; bus = bus->next) {
- struct usb_device *dev;
-
- if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
- continue;
-
- 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) &&
- ((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) {
- 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++) {
-
- DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n",
- interface->altsetting[i].bInterfaceClass,
- interface->altsetting[i].bInterfaceSubClass,
- interface->altsetting[i].bInterfaceProtocol);
-
- if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
- (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
- /* TODO: check interfaceClass! */
- DPRINTF("found device with libusb\n");
- xpcu->dev = dev;
- card_type = e->dwCardType;
- }
- }
- }
- }
- }
- }
- }
-
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- e->handle++;
+ ret = xpcu_find(e);
#endif
#ifdef DEBUG
- 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",
+ 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,
break;
case EVENT_UNREGISTER:
- DPRINTF("EVENT_UNREGISTER\n");
+ {
+ 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:
{
struct interrupt *it = (struct interrupt*)(wdheader->data);
- DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
+ 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 (xpcu->dev) {
- 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
- DPRINTF("INT_WAIT_RETURN: Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
+ 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);
{
struct card_register* cr = (struct card_register*)(wdheader->data);
- DPRINTF("Addr: 0x%lx, bytes: %lu, bar: %lu\n",
+ 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);
+ DPRINTF("-> hCard: %lu\n", cr->hCard);
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#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",
+ 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->dwNumMatchTables);
for (i = 0; i < e->dwNumMatchTables; i++)
- DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
+ 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,
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- if (xpcu->dev) {
- struct usb_interface *interface = xpcu->dev->config->interface;
-
- e->dwCardType = 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;
- }
+ ret = xpcu_found(e);
#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",
+ 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->dwNumMatchTables);
for (i = 0; i < e->dwNumMatchTables; i++)
- DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
+ 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,
int ioctl(int fd, unsigned long int request, ...) {
va_list args;
void *argp;
- int ret;
+ int i;
if (!ioctl_func)
ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl");
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, ...) {
}
if (!strcmp (pathname, "/dev/windrvr6")) {
- DPRINTF("opening windrvr6\n");
+ DPRINTF("opening windrvr6 (%d)\n", windrvrfds_count);
+ windrvrfds = realloc(windrvrfds, sizeof(int) * (++windrvrfds_count));
+ if (!windrvrfds)
+ return -ENOMEM;
+
#ifdef NO_WINDRVR
- windrvrfd = fd = (*func) ("/dev/null", flags, mode);
+ windrvrfds[windrvrfds_count-1] = fd = (*func) ("/dev/null", flags, mode);
#else
- windrvrfd = fd = (*func) (pathname, flags, mode);
+ windrvrfds[windrvrfds_count-1] = fd = (*func) (pathname, flags, mode);
#endif
- if (!xpcu)
- xpcu = xpcu_open();
return fd;
}
int close(int fd) {
static int (*func) (int) = NULL;
+ int i;
if (!func)
func = (int (*) (int)) dlsym(RTLD_NEXT, "close");
- if (fd == windrvrfd && windrvrfd >= 0) {
- DPRINTF("close windrvrfd\n");
-
- if (xpcu)
- xpcu_close(xpcu);
-
- xpcu = NULL;
- windrvrfd = -1;
+ for (i = 0; i < windrvrfds_count; i++) {
+ if (fd == windrvrfds[i] && windrvrfds[i] >= 0) {
+ int remaining = windrvrfds_count - (i + 1);
+ DPRINTF("close windrvr6 (%d)\n", i);
+ if (remaining)
+ memmove(&(windrvrfds[i]), &(windrvrfds[i+1]), remaining * sizeof(int));
+ windrvrfds = realloc(windrvrfds, sizeof(int) * --windrvrfds_count);
+ if (!windrvrfds_count)
+ windrvrfds = NULL;
+ break;
+ }
}
return (*func) (fd);
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;
}
}
-#if __WORDSIZE == 32
-int uname (struct utsname *__name) {
- static int (*func) (struct utsname*);
- int ret;
+#if 0
+/* USB cable sharing needs to overload semop, TODO! */
+int semop (int __semid, struct sembuf *__sops, size_t __nsops) {
+ static int (*func) (int, struct sembuf*, size_t) = NULL;
+ int i;
if (!func)
- func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname");
+ func = (int (*) (int, struct sembuf*, size_t)) dlsym(RTLD_NEXT, "semop");
- ret = (*func)(__name);
+ 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
- if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
- strcpy(__name->machine, "i686");
+/*
+ * 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;
}
-#endif
+
+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
+}