Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement the software power-off (correctly) when RB_POWERDOWN is

Browse Source 
specified.  Before this, the kernel doesn't turn off the power in fact,
and thus the power off had happened in IPLROM after software reset.

Many thanks to tsutsui@ on port-x68k.
This commit is contained in:
isaki 2014-03-26 16:21:39 +00:00
parent 5c95c9b7a3
commit d1dbe4b861
1 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
sys/arch/x68k/x68k/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.190 2014/03/26 08:17:59 christos Exp $ */
/* $NetBSD: machdep.c,v 1.191 2014/03/26 16:21:39 isaki Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.190 2014/03/26 08:17:59 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.191 2014/03/26 16:21:39 isaki Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -513,16 +513,23 @@ cpu_reboot(int howto, char *bootstr)
* Power cannot be removed; simply halt the system (b)
* Power switch state is checked in shutdown hook
* a2: the power switch is off
* Remove the power; the simplest way is go back to ROM eg. reboot
* Remove the power
* b) RB_HALT
* call cngetc
* c) otherwise
* Reboot
*/
if (((howto & RB_POWERDOWN) == RB_POWERDOWN) && power_switch_is_off)
doboot();
else if (/*((howto & RB_POWERDOWN) == RB_POWERDOWN) ||*/
((howto & RB_HALT) == RB_HALT)) {
if (((howto & RB_POWERDOWN) == RB_POWERDOWN) && power_switch_is_off) {
printf("powering off...\n");
delay(1000000);
intio_set_sysport_powoff(0x00);
intio_set_sysport_powoff(0x0f);
intio_set_sysport_powoff(0x0f);
delay(1000000);
printf("WARNING: powerdown failed\n");
delay(1000000);
/* PASSTHROUGH even if came back */
} else if ((howto & RB_HALT) == RB_HALT) {
printf("System halted. Hit any key to reboot.\n\n");
(void)cngetc();
}