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Code Issues Releases Activity

Removed "-D" option and made symbols load all the time. They will be

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discarded if the kernel isn't built with DDB.
This commit is contained in:
David Greenman 1995-03-14 08:21:53 +00:00
parent 2706402fd9
commit 78dfa6036a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=7054
1 changed files with 40 additions and 46 deletions
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86
sys/i386/boot/biosboot/boot.c
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@ -24,7 +24,7 @@
* the rights to redistribute these changes.
*
* from: Mach, [92/04/03 16:51:14 rvb]
* $Id: boot.c,v 1.31 1995/01/25 21:37:38 bde Exp $
* $Id: boot.c,v 1.32 1995/01/28 03:51:39 davidg Exp $
*/
@ -65,7 +65,6 @@ struct bootinfo bootinfo;
extern void init_serial(void);
extern int probe_keyboard(void);
int loadflags;
unsigned char loadsyms;
extern int end;
boot(drive)
@ -93,7 +92,7 @@ int drive;
printf("\n\
>> FreeBSD BOOT @ 0x%x: %d/%d k of memory\n\
Use hd(1,a)/kernel to boot sd0 when wd0 is also installed.\n\
Usage: [[[%s(%d,a)]%s][-Dabcdhrsv]]\n\
Usage: [[%s(%d,a)]%s][-abcdhrsv]\n\
Use ? for file list or press Enter for defaults\n\n",
ouraddr, bootinfo.bi_basemem, bootinfo.bi_extmem,
devs[drive & 0x80 ? 0 : 2], drive & 0x7f, name);
@ -131,6 +130,7 @@ loadprog(howto)
long int addr; /* physical address.. not directly useable */
long int bootdev;
int i;
unsigned pad;
#ifdef REDUNDANT
unsigned char tmpbuf[4096]; /* we need to load the first 4k here */
#endif
@ -229,49 +229,45 @@ loadprog(howto)
pbzero(addr,head.a_bss);
#endif
addr += head.a_bss;
if (loadsyms)
{
unsigned pad;
/* Pad to a page boundary. */
pad = (unsigned)addr % NBPG;
if (pad != 0) {
pad = NBPG - pad;
addr += pad;
}
bootinfo.bi_symtab = addr;
/********************************************************/
/* Copy the symbol table size */
/********************************************************/
pcpy(&head.a_syms, addr, sizeof(head.a_syms));
addr += sizeof(head.a_syms);
/********************************************************/
/* Load the symbol table */
/********************************************************/
printf("symbols=[+0x%x+0x%x+0x%x", pad, sizeof(head.a_syms),
head.a_syms);
xread(addr, head.a_syms);
addr += head.a_syms;
/********************************************************/
/* Load the string table size */
/********************************************************/
read(&i, sizeof(int));
pcpy(&i, addr, sizeof(int));
i -= sizeof(int);
addr += sizeof(int);
/********************************************************/
/* Load the string table */
/********************************************************/
printf("+0x%x+0x%x] ", sizeof(int), i);
xread(addr, i);
addr += i;
bootinfo.bi_esymtab = addr;
/* Pad to a page boundary. */
pad = (unsigned)addr % NBPG;
if (pad != 0) {
pad = NBPG - pad;
addr += pad;
}
bootinfo.bi_symtab = addr;
/********************************************************/
/* Copy the symbol table size */
/********************************************************/
pcpy(&head.a_syms, addr, sizeof(head.a_syms));
addr += sizeof(head.a_syms);
/********************************************************/
/* Load the symbol table */
/********************************************************/
printf("symbols=[+0x%x+0x%x+0x%x", pad, sizeof(head.a_syms),
head.a_syms);
xread(addr, head.a_syms);
addr += head.a_syms;
/********************************************************/
/* Load the string table size */
/********************************************************/
read(&i, sizeof(int));
pcpy(&i, addr, sizeof(int));
i -= sizeof(int);
addr += sizeof(int);
/********************************************************/
/* Load the string table */
/********************************************************/
printf("+0x%x+0x%x] ", sizeof(int), i);
xread(addr, i);
addr += i;
bootinfo.bi_esymtab = addr;
/*
* For backwards compatibility, use the previously-unused adaptor
@ -313,8 +309,6 @@ getbootdev(howto)
if (c=='-')
while ((c = *++ptr) && c!=' ')
switch (c) {
case 'D':
loadsyms = 1; continue;
case 'a':
*howto |= RB_ASKNAME; continue;
case 'b':