d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Allocate and setup an interrupt vector for corrected machine checks.

Browse Source 
For now, just print when we get the interrupt, but eventually we need
to collect the details and provide a more useful report.
This commit is contained in:
marcel 2010-07-03 20:19:20 +00:00
parent c42c25e677
commit 94d3d209e1
3 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
sys/ia64/ia64/mca.c
View File

@ -28,6 +28,7 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
@ -36,6 +37,7 @@
#include <sys/uuid.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <machine/intr.h>
#include <machine/mca.h>
#include <machine/pal.h>
#include <machine/sal.h>
@ -72,6 +74,8 @@ SYSCTL_INT(_hw_mca, OID_AUTO, last, CTLFLAG_RD, &mca_last, 0,
static struct mtx mca_sysctl_lock;
static u_int mca_xiv_cmc;
static int
mca_sysctl_inject(SYSCTL_HANDLER_ARGS)
{
@ -227,6 +231,26 @@ ia64_mca_save_state(int type)
}
}
static u_int
ia64_mca_intr(struct thread *td, u_int xiv, struct trapframe *tf)
{
if (xiv == mca_xiv_cmc) {
printf("MCA: corrected machine check (CMC) interrupt\n");
return (0);
}
return (0);
}
void
ia64_mca_init_ap(void)
{
if (mca_xiv_cmc != 0)
ia64_set_cmcv(mca_xiv_cmc);
}
void
ia64_mca_init(void)
{
@ -289,4 +313,14 @@ ia64_mca_init(void)
*/
for (i = 0; i < SAL_INFO_TYPES; i++)
ia64_mca_save_state(i);
/*
* Allocate a XIV for CMC interrupts, so that we can collect and save
* the corrected processor checks.
*/
mca_xiv_cmc = ia64_xiv_alloc(PI_SOFT, IA64_XIV_PLAT, ia64_mca_intr);
if (mca_xiv_cmc != 0)
ia64_set_cmcv(mca_xiv_cmc);
else
printf("MCA: CMC vector could not be allocated\n");
}

2
sys/ia64/ia64/mp_machdep.c
View File

@ -163,6 +163,8 @@ ia64_store_mca_state(void* arg)
sched_bind(td, pc->pc_cpuid);
thread_unlock(td);
ia64_mca_init_ap();
/*
* Get and save the CPU specific MCA records. Should we get the
* MCA state for each processor, or just the CMC state?

1
sys/ia64/include/mca.h
View File

@ -240,6 +240,7 @@ struct mca_pcidev_reg {
#ifdef _KERNEL
void ia64_mca_init(void);
void ia64_mca_init_ap(void);
void ia64_mca_save_state(int);
#endif /* _KERNEL */