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Add the ability to specify bootflags. This is similar to boot_i386(8),

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except for the root f/s options that don't seem to be useful.
This commit is contained in:
Joerg Wunsch 1996-07-06 14:18:56 +00:00
parent b4e6f7299c
commit 960710e6ea
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=16989
2 changed files with 31 additions and 3 deletions
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30
sys/i386/boot/netboot/bootmenu.c
View file

@ -12,11 +12,12 @@ extern int hostnamelen;
extern unsigned long netmask;
extern eth_reset();
extern short aui;
extern int howto;
int cmd_ip(), cmd_server(), cmd_kernel(), cmd_help(), exit();
int cmd_rootfs(), cmd_swapfs(), cmd_interface(), cmd_hostname();
int cmd_netmask(), cmd_swapsize(), cmd_swapopts(), cmd_rootopts();
int cmd_aui(), cmd_gateway();
int cmd_aui(), cmd_gateway(), cmd_flags();
struct bootcmds_t {
char *name;
@ -39,6 +40,7 @@ struct bootcmds_t {
{"diskboot", exit, " boot from disk"},
{"autoboot", NULL, " continue"},
{"trans", cmd_aui, "<on|off> turn transceiver on|off"},
{"flags", cmd_flags, "[bcdhsv] set boot flags"},
{NULL, NULL, NULL}
};
@ -283,6 +285,32 @@ cmd_swapopts(p)
}
}
/**************************************************************************
CMD_FLAGS - Set boot flags
**************************************************************************/
cmd_flags(buf)
char *buf;
{
char p;
int flags = 0;
while ((p = *buf++))
switch (p) {
case 'b': flags |= RB_HALT; break;
case 'c': flags |= RB_CONFIG; break;
case 'd': flags |= RB_KDB; break;
case 'h': flags ^= RB_SERIAL; break;
case 's': flags |= RB_SINGLE; break;
case 'v': flags |= RB_VERBOSE; break;
case ' ':
case '\t': break;
default: printf("Unknown boot flag: %c\n", p);
}
howto = flags;
return(0);
}
/**************************************************************************
EXECUTE - Decode command
**************************************************************************/

4
sys/i386/boot/netboot/main.c
View file

@ -24,7 +24,7 @@ struct bootinfo bootinfo;
int root_nfs_port;
unsigned long netmask;
char kernel_handle[32];
int offset;
int offset, howto;
extern char eth_driver[];
extern char packet[];
@ -316,7 +316,7 @@ load()
bootinfo.bi_nfs_diskless = &nfsdiskless;
bootinfo.bi_size = sizeof bootinfo;
kernelentry = (void *)(head.a_entry & 0x00FFFFFF);
(*kernelentry)(RB_BOOTINFO,NODEV,0,0,0,&bootinfo,0,0,0);
(*kernelentry)(howto|RB_BOOTINFO,NODEV,0,0,0,&bootinfo,0,0,0);
printf("*** %s execute failure ***\n",kernel);
}