jackcartersmith/xilinx-usb-driver
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no more windrvr, please

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This commit is contained in:
michael 2007-02-21 23:52:07 +00:00
commit cdc711dc0a
2 changed files with 276 additions and 0 deletions
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5
Makefile Normal file
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xilinx.so: xilinx.c
gcc $< -o $@ -ldl -shared
clean:
rm -f xilinx.so

271
usb-driver.c Normal file
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#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