From: Ben Gras <ben@minix3.org>
Date: Wed, 7 Sep 2005 12:37:21 +0000 (+0000)
Subject: Remove some old cd junk from boot monitor
X-Git-Tag: v3.1.0~167
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=782de64c6f6a33b9c5ee6d192b968c24f3838755;p=minix.git

Remove some old cd junk from boot monitor
---

diff --git a/boot/boot.c b/boot/boot.c
index eabbd02fb..6a8571281 100755
--- a/boot/boot.c
+++ b/boot/boot.c
@@ -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();
 	}