X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/325556c9337c3c645fa965a8d1b35a13457e029b..0915c0b59cf76f9c83d35931bc2613eadf0c9bb7:/usb-driver.c

diff --git a/usb-driver.c b/usb-driver.c
index 26ce16b..ff47ae3 100644
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -39,6 +39,10 @@
 #include <sys/ioctl.h>
 #include <sys/utsname.h>
 #include <bits/wordsize.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <syscall.h>
+#include <linux/personality.h>
 #include "usb-driver.h"
 #include "config.h"
 #include "xpcu.h"
@@ -111,6 +115,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #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)
@@ -557,6 +562,12 @@ FILE *fopen(const char *path, const char *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;
@@ -624,20 +635,68 @@ int access(const char *pathname, int mode) {
 	}
 }
 
-#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);
-
-	if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
-		strcpy(__name->machine, "i686");
+	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 ret;
+
+	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;
+}
+
+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
+}