#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"
#define NO_WINDRVR 1
void hexdump(unsigned char *buf, int len, char *prefix) {
- int i;
+ int i = 0;
- fprintf(stderr, "%s ", prefix);
- 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%s ", prefix);
+ if ((i % 16) == 7)
+ fprintf(stderr," ");
+ if (((i % 16) == 15) && ((i+1) < len))
+ fprintf(stderr,"\n%s %03x: ", prefix, i+1);
}
fprintf(stderr,"\n");
}
#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)
}
#endif
-#if __WORDSIZE == 32
-int uname (struct utsname *__name) {
- static int (*func) (struct utsname*);
- int ret;
+/*
+ * 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;
+}
+
+/* XilCommNS::CPortResources::Instance() */
+void* _ZN9XilCommNS14CPortResources8InstanceEv() {
+ static void* (*func) (void) = NULL;
+ static char *NetString = NULL;
+ static char *NetString2 = NULL;
+ char *filename = NULL;
+ void *ret;
if (!func)
- func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname");
+ func = (void* (*) (void)) dlsym(RTLD_NEXT, "_ZN9XilCommNS14CPortResources8InstanceEv");
+
+ if (!NetString)
+ NetString = (char*)dlsym(RTLD_NEXT, "_ZTSN9XilCommNS9NetStringE");
+
+ if (!NetString2)
+ NetString2 = (char*)dlsym(RTLD_NEXT, "_ZTIN9XilCommNS9NetStringE");
- ret = (*func)(__name);
+ if (NetString && (!strcmp((char*)(NetString+0xb0), "/proc/sys/dev/parport/%s/base-addr")))
+ filename = (char*)(NetString+0xb0);
+
+ if (NetString2 && (!strcmp((char*)(NetString2+0xa4), "/proc/sys/dev/parport/%s/base-addr")))
+ filename = (char*)(NetString2+0xa4);
+
+ if (filename) {
+ long pagesize;
+ size_t protectlen;
+ void *start;
+ int len = strlen(filename) + 1;
+ int ret;
- if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
- strcpy(__name->machine, "i686");
+ 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
+}