Remove some old cd junk from boot monitor

This commit is contained in:
Ben Gras 2005-09-07 12:37:21 +00:00
parent c79dfb2e41
commit 782de64c6f

View File

@ -1856,84 +1856,6 @@ void monitor(void)
unsigned char cdspec[25];
void bootcdinfo(u32_t, int *, int drive);
void fixcdroot(void)
{
int i, d;
int ret;
char name[20];
u32_t addr;
char *bootcd;
/* Booting from CD? If so, add the cdroot in.. */
int driveno, termno;
char *drive, *term, *rid;
if((rid = b_value("ramimagedev"))) {
static int f = 0;
int i, j;
char ram[15];
ram[0] = 'c';
ram[1] = '0';
if(rid[0] == 'c' || rid[0] == 'C') j = 2;
else j = 0;
f++;
for(i = 2; i < sizeof(ram)-1; i++, j++) {
ram[i] = rid[j];
if(ram[i] == 'p') ram[i] = '\0';
if(ram[i] == '\0') break;
}
ram[sizeof(ram)-1] = '\0';
b_setvar(E_SPECIAL|E_VAR, "ramname", ram);
}
/* the rest of this code is.. not finished */
return;
if(!(bootcd = b_value("bootcd")) || bootcd[0] != '1') return;
if(!(drive = b_value("drive"))) return;
if(!(term = b_value("term"))) termno = 0;
else termno = term[0] - '0';
driveno = 100 * (drive[0] - '0') + 10 * (drive[1] - '0') + drive[2] - '0';
/* cdroot has to be derived from what the BIOS
* says the actual CD was.
*/
memset(cdspec, 0, sizeof(cdspec));
addr = mon2abs(cdspec);
ret = 0x38;
printf("bootcdinfo (%lx, drive %d, term %d)..\n", addr, driveno, termno);
bootcdinfo(addr, &ret, (termno << 8) | driveno);
i = 0;
printf("drive %02x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
driveno,
cdspec[i], cdspec[i+1], cdspec[i+2], cdspec[i+3],
cdspec[i+4], cdspec[i+5], cdspec[i+6], cdspec[i+7],
cdspec[i+8], cdspec[i+9], cdspec[i+10], cdspec[i+11]);
/* CD's are faked to be booting from partition 1
* (more to the point, that is their appropriate
* root partition to mount).
*/
strcpy(bootdev.name, "d0p1");
/* boot_spec[3] is the controller number (0 or 1),
* boot_spec[8] is the device specification. The
* below only works for IDE CD drives. boot_spec is
* filled in by BIOS after an int 0x13 call in boothead.s.
*/
bootdev.name[1] += boot_spec[3] * 2 + boot_spec[8];
bootdev.primary = 1; /* p1 */
b_setvar(E_SPECIAL|E_VAR, "cdroot", bootdev.name); /* dXp1 */
strcpy(name, "c0");
strcat(name, bootdev.name);
name[4] = '\0';
b_setvar(E_SPECIAL|E_VAR, "cddrive", name); /* c0dX */
return;
}
void boot(void)
/* Load Minix and start it, among other things. */
{
@ -1944,15 +1866,11 @@ void boot(void)
/* Get environment variables from the parameter sector. */
get_parameters();
fixcdroot();
while (1) {
/* While there are commands, execute them! */
while (cmds != nil) execute();
fixcdroot();
/* The "monitor" is just a "read one command" thing. */
monitor();
}