]> cvs.zerfleddert.de Git - usb-driver/blobdiff - usb-driver.c
declare variables at the beginning of the scope
[usb-driver] / usb-driver.c
index b4d34146efb65c1502f462c1ebe30ab55360236f..1e1f026bbdb342c4eadae64988bf4754df35aed1 100644 (file)
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <stdio.h>
-#include <usb.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 <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;
@@ -57,13 +60,14 @@ static int modules_read = 0;
 
 #define NO_WINDRVR 1
 
-void hexdump(unsigned char *buf, int len) {
+void hexdump(unsigned char *buf, int len, char *prefix) {
        int i;
 
+       fprintf(stderr, "%s ", prefix);
        for(i=0; i<len; i++) {
                fprintf(stderr,"%02x ", buf[i]);
                if ((i % 16) == 15)
-                       fprintf(stderr,"\n");
+                       fprintf(stderr,"\n%s ", prefix);
        }
        fprintf(stderr,"\n");
 }
@@ -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)
@@ -143,28 +148,27 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                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
-                               ret = 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
                        }
@@ -184,7 +188,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               ret = xpcu_int_state(xpcu, it, ENABLE_INTERRUPT);
+                               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",
@@ -207,7 +211,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               ret = xpcu_int_state(xpcu, it, DISABLE_INTERRUPT);
+                               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,
@@ -227,7 +231,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               ret = xpcu_set_interface(xpcu, usi);
+                               ret = xpcu_set_interface(usi);
 #endif
                                DPRINTF("<- unique: 0x%lx, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
                                usi->dwUniqueID, usi->dwInterfaceNum,
@@ -245,7 +249,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                ugdd->dwUniqueID, ugdd->dwBytes,
                                ugdd->dwOptions);
 
-                               ret = xpcu_deviceinfo(xpcu, ugdd);
+                               ret = xpcu_deviceinfo(ugdd);
 
                        }
                        break;
@@ -271,7 +275,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               xpcu = xpcu_find(e);
+                               ret = xpcu_find(e);
 #endif
 
 #ifdef DEBUG
@@ -333,7 +337,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               ret = xpcu_close(xpcu, e);
+                               ret = xpcu_close(e);
 #endif
                        }
                        break;
@@ -351,7 +355,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               ret = xpcu_int_wait(xpcu, it);
+                               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",
@@ -413,7 +417,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               ret = xpcu_found(xpcu, e);
+                               ret = xpcu_found(e);
 #endif
 
 #ifdef DEBUG
@@ -453,7 +457,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 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");             
@@ -462,12 +466,12 @@ int ioctl(int fd, unsigned long int 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);
+       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, ...) {
@@ -486,11 +490,15 @@ 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
 
                return fd;
@@ -501,15 +509,22 @@ int open (const char *pathname, int flags, ...) {
 
 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");
-
-               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);
@@ -547,6 +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;
@@ -614,20 +635,70 @@ 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
+}
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