diff options
Diffstat (limited to 'contrib/3c90xutil/ocromutil.c')
-rw-r--r-- | contrib/3c90xutil/ocromutil.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/contrib/3c90xutil/ocromutil.c b/contrib/3c90xutil/ocromutil.c deleted file mode 100644 index 77ac2e35..00000000 --- a/contrib/3c90xutil/ocromutil.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * 3c905cutil.c - perform various control ops on the 3C905C bios rom - * which we assume to be an AT49BV512 - * - */ - -#ifndef __i386__ -# error "This program can't compile or run on non-intel computers" -#else - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/io.h> -#include <string.h> - -int main(int argc, char **argv) -{ - unsigned int ioaddr, i, n; - unsigned char b; - - setuid(0); /* if we're setuid, do it really */ - if (argc != 3) { - printf("Usage: romid ioaddr [erase|id|read >file|prog <file]\n"); - exit(-1); - } - if (iopl(3)) { - perror("iopl()"); - exit(1); - } - sscanf(argv[1],"%x",&ioaddr); - - /* Set the register window to 0 for the 3C905C */ - outw(0x800, ioaddr+0xe); - - if (strcmp(argv[2], "erase") == 0) { - /* do the funky chicken to erase the rom contents */ - outl(0x5555, ioaddr+0x4); - outb(0xaa, ioaddr+0x8); - outl(0x2aaa, ioaddr+0x4); - outb(0x55, ioaddr+0x8); - outl(0x5555, ioaddr+0x4); - outb(0x80, ioaddr+0x8); - outl(0x5555, ioaddr+0x4); - outb(0xaa, ioaddr+0x8); - outl(0x2aaa, ioaddr+0x4); - outb(0x55, ioaddr+0x8); - outl(0x5555, ioaddr+0x4); - outb(0x10, ioaddr+0x8); - sleep (1); - printf("Bios ROM at %04x has been erased\n", ioaddr); - } else if (strcmp(argv[2], "id") == 0) { - outl(0x5555, ioaddr+0x4); - outb(0xaa, ioaddr+0x8); - outl(0x2aaa, ioaddr+0x4); - outb(0x55, ioaddr+0x8); - outl(0x5555, ioaddr+0x4); - outb(0x90, ioaddr+0x8); - /* 10ms delay needed */ - printf("Manufacturer ID - "); - /* manuf. id */ - outl(0x0000, ioaddr+0x4); - printf("%02x\n", inb(ioaddr+0x8)); - /* device id */ - outl(0x0001, ioaddr+0x4); - printf("Device ID - %02x\n", inb(ioaddr+0x8)); - /* undo the funky chicken */ - outl(0x5555, ioaddr+0x4); - outb(0xaa, ioaddr+0x8); - outl(0x2aaa, ioaddr+0x4); - outb(0x55, ioaddr+0x8); - outl(0x5555, ioaddr+0x4); - outb(0xf0, ioaddr+0x8); - } else if (strcmp(argv[2], "read") == 0) { - for (i = 0; i < 65536; i++) { - outl(i, ioaddr+0x4); - b = inb(ioaddr+0x8); - write(1, &b, 1); - } - } else if (strcmp(argv[2], "prog") == 0) { - for (i = 0; i < 65536; i++) { - n = read(0, &b, 1); - if (n == 0) - break; - if (n < 0) { - perror("File Error"); - exit(-3); - } - outl(0x5555, ioaddr+0x4); - outb(0xaa, ioaddr+0x8); - outl(0x2aaa, ioaddr+0x4); - outb(0x55, ioaddr+0x8); - outl(0x5555, ioaddr+0x4); - outb(0xA0, ioaddr+0x8); - outl(i, ioaddr+0x4); - outb(b, ioaddr+0x8); - while (inb(ioaddr+0x8) != b) - ; - } - } - return 0; -} - -#endif /* __i386__ */ |