no more windrvr, please

diff --git a/Makefile b/Makefile
new file mode 100644 (file)
index 0000000..784b1ac
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+xilinx.so: xilinx.c
+       gcc $< -o $@ -ldl -shared
+
+clean:
+       rm -f xilinx.so

diff --git a/usb-driver.c b/usb-driver.c
new file mode 100644 (file)
index 0000000..cae2ab1
--- /dev/null
+++ b/usb-driver.c
@@ -0,0 +1,271 @@
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+
+#define _GNU_SOURCE 1
+
+#if defined(RTLD_NEXT)
+#define REAL_LIBC RTLD_NEXT
+#else
+#define REAL_LIBC ((void *) -1L)
+#endif
+
+#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>
+
+#define SNIFFLEN 4096
+
+void hexdump(unsigned char *buf, int len);
+
+struct header_struct {
+       unsigned long dwHeader;
+       void* data;
+       unsigned long dwSize;
+};
+
+struct version_struct {
+       unsigned long versionul;
+       char version[128];
+};
+
+struct license_struct {
+    char cLicense[128]; // Buffer with license string to put.
+                      // If empty string then get current license setting
+                      // into dwLicense.
+    unsigned long dwLicense;  // Returns license settings: LICENSE_DEMO, LICENSE_WD
+                      // etc..., or 0 for invalid license.
+    unsigned long dwLicense2; // Returns additional license settings, if dwLicense
+                      // could not hold all the information.
+                      // Then dwLicense will return 0.
+};
+
+#define WD_IOCTL_HEADER_CODE 0xa410b413UL
+
+void parse_wdioctlreq(unsigned char *wdioctl, unsigned int request) {
+       struct header_struct* wdheader = (struct header_struct*)wdioctl;
+
+       if (wdheader->dwHeader != WD_IOCTL_HEADER_CODE) {
+               fprintf(stderr,"!!!ERROR: Header does not match!!!\n");
+               return;
+       }
+
+       fprintf(stderr, "Request: ");
+       switch(request) {
+               case 0x910:
+                       fprintf(stderr,"IOCTL_WD_VERSION");
+                       //fprintf(stderr," %s(%d)", ((struct version_struct*)(wdheader->data))->version, ((struct version_struct*)(wdheader->data))->versionul);
+                       break;
+               case 0x952:
+                       fprintf(stderr,"IOCTL_WD_LICENSE");
+                       break;
+               case 0x98c:
+                       fprintf(stderr,"IOCTL_WD_TRANSFER");
+                       break;
+               case 0x983:
+                       fprintf(stderr,"IOCTL_WDU_TRANSFER");
+                       break;
+               case 0x987:
+                       fprintf(stderr,"IOCTL_WD_EVENT_UNREGISTER");
+                       break;
+               case 0x91f:
+                       fprintf(stderr,"IOCTL_WD_INT_DISABLE");
+                       break;
+               case 0x94b:
+                       fprintf(stderr,"IOCTL_WD_INT_WAIT");
+                       break;
+               case 0x92b:
+                       fprintf(stderr,"IOCTL_WD_CARD_UNREGISTER");
+                       break;
+               case 0x9a7:
+                       fprintf(stderr,"IOCTL_WDU_GET_DEVICE_DATA");
+                       break;
+               case 0x98e:
+                       fprintf(stderr,"IOCTL_WD_INT_ENABLE");
+                       break;
+               case 0x988:
+                       fprintf(stderr,"IOCTL_WD_EVENT_PULL");
+                       break;
+               case 0x981:
+                       fprintf(stderr,"IOCTL_WDU_SET_INTERFACE");
+                       break;
+               default:
+                       fprintf(stderr,"Unknown(%x)",request);
+       }
+
+       fprintf(stderr, ", size: %d\n", wdheader->dwSize);
+}
+
+void parse_wdioctlans(unsigned char *wdioctl, unsigned int request, int result) {
+       struct header_struct* wdheader = (struct header_struct*)wdioctl;
+
+       if (wdheader->dwHeader != WD_IOCTL_HEADER_CODE) {
+               fprintf(stderr,"!!!ERROR: Header does not match!!!\n");
+               return;
+       }
+
+       fprintf(stderr, "Answer: %d ", result);
+       switch(request) {
+               case 0x910:
+                       fprintf(stderr,"\"%s\" (%d)", ((struct version_struct*)(wdheader->data))->version, ((struct version_struct*)(wdheader->data))->versionul);
+                       break;
+               case 0x952:
+                       fprintf(stderr,"\"%s\" (XX,XX)", ((struct license_struct*)(wdheader->data))->cLicense);
+                       break;
+               default:
+                       break;
+       }
+       fprintf(stderr, "\n");
+}
+
+
+typedef int (*open_funcptr_t) (const char *, int, mode_t);
+
+static windrvrfd = 0;
+static void* mmapped = NULL;
+static size_t mmapplen = 0;
+
+int open (const char *pathname, int flags, ...)
+{
+       static open_funcptr_t func = NULL;
+       mode_t mode = 0;
+       va_list args;
+       int fd;
+
+       if (!func)
+               func = (open_funcptr_t) dlsym (REAL_LIBC, "open");
+
+       if (flags & O_CREAT) {
+               va_start(args, flags);
+               mode = va_arg(args, mode_t);
+               va_end(args);
+       }
+
+       fd = (*func) (pathname, flags, mode);
+
+       if (!strcmp (pathname, "/dev/windrvr6")) {
+               fprintf(stderr,"opening windrvr6\n");
+               windrvrfd = fd;
+       }
+
+       return fd;
+}
+
+void diff(unsigned char *buf1, unsigned char *buf2, int len) {
+       int i;
+
+       for(i=0; i<len; i++) {
+               if (buf1[i] != buf2[i]) {
+                       fprintf(stderr,"Diff at %d: %02x(%c)->%02x(%c)\n", i, buf1[i], ((buf1[i] >= 31 && buf1[i] <= 126)?buf1[i]:'.'), buf2[i], ((buf2[i] >= 31 && buf2[i] <= 126)?buf2[i]:'.'));
+               }
+       }
+}
+
+void hexdump(unsigned char *buf, int len) {
+       int i;
+
+       for(i=0; i<len; i++) {
+               fprintf(stderr,"%02x ", buf[i]);
+               if ((i % 16) == 15)
+                       fprintf(stderr,"\n");
+       }
+}
+
+int ioctl(int fd, int request, ...)
+{
+       static int (*func) (int, int, void *) = NULL;
+       va_list args;
+       void *argp;
+       unsigned char prebuf[SNIFFLEN];
+       int ret;
+
+       if (!func)                                                                    
+               func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "ioctl");             
+
+       va_start (args, request);
+       argp = va_arg (args, void *);
+       va_end (args);
+
+       if (fd == windrvrfd) {
+               memcpy(prebuf, argp, SNIFFLEN);
+               parse_wdioctlreq(argp, request);
+       }
+
+       ret = (*func) (fd, request, argp);
+
+       if (fd == windrvrfd) {
+               parse_wdioctlans(argp, request, ret);
+       }
+       return ret;
+}
+
+void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
+{
+       static void* (*func) (void *, size_t, int, int, int, off_t) = NULL;
+       void *ret;
+
+       if (!func)
+               func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap");
+
+       ret = (*func) (start, length, prot, flags, fd, offset);
+       fprintf(stderr,"MMAP: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret);
+       mmapped = ret;
+       mmapplen = length;
+
+       return ret;
+}
+
+void *mmap64(void *start, size_t length, int prot, int flags, int fd, off64_t offset)
+{
+       static void* (*func) (void *, size_t, int, int, int, off64_t) = NULL;
+       void *ret;
+
+       if (!func)
+               func = (void* (*) (void *, size_t, int, int, int, off64_t)) dlsym (REAL_LIBC, "mmap64");
+
+       ret = (*func) (start, length, prot, flags, fd, offset);
+       fprintf(stderr,"MMAP64: %x, %d, %d, %d, %d, %lld -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret);
+       mmapped = ret;
+       mmapplen = length;
+
+       return ret;
+}
+
+void *mmap2(void *start, size_t length, int prot, int flags, int fd, off_t pgoffset)
+{
+       static void* (*func) (void *, size_t, int, int, int, off_t) = NULL;
+       void *ret;
+
+       if (!func)
+               func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap2");
+
+       ret = (*func) (start, length, prot, flags, fd, pgoffset);
+       fprintf(stderr,"MMAP2: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, pgoffset, (unsigned int)ret);
+       mmapped = ret;
+       mmapplen = length;
+
+       return ret;
+}
+
+void *malloc(size_t size)
+{
+       static void* (*func) (size_t) = NULL;
+       void *ret;
+
+       if (!func)
+               func = (void* (*) (size_t)) dlsym(REAL_LIBC, "malloc");
+       
+       ret = (*func) (size);
+       
+       //fprintf(stderr,"MALLOC: %d -> %x\n", size, (unsigned int) ret);
+
+       return ret;
+}
+
+
+#endif