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Add debug code to print SAPIC registers.

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This commit is contained in:
Doug Rabson 2002-03-14 10:17:08 +00:00
parent 78d9ac5774
commit 838ba419e9
2 changed files with 33 additions and 1 deletions
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31
sys/ia64/ia64/sapic.c
View File

@ -26,6 +26,8 @@
* $FreeBSD$
*/
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
@ -74,7 +76,7 @@ sapic_write(struct sapic *sa, int which, u_int32_t value)
ia64_mf_a();
}
#if 0
#ifdef DDB
static void
sapic_read_rte(struct sapic *sa, int which,
@ -147,5 +149,32 @@ sapic_eoi(struct sapic *sa, int vector)
vm_offset_t reg = sa->sa_registers;
*(volatile u_int32_t *) (reg + SAPIC_APIC_EOI) = vector;
ia64_mf();
}
#ifdef DDB
#include <ddb/ddb.h>
void
sapic_print(struct sapic *sa, int input)
{
struct sapic_rte rte;
sapic_read_rte(sa, input, &rte);
if (rte.rte_mask == 0) {
db_printf("%3d %d %d %s %s %s %s %s ID=%x EID=%x\n",
rte.rte_vector,
rte.rte_delivery_mode,
rte.rte_destination_mode,
rte.rte_delivery_status ? "DS" : " ",
rte.rte_polarity ? "low-active " : "high-active",
rte.rte_rirr ? "RIRR" : " ",
rte.rte_trigger_mode ? "level" : "edge ",
rte.rte_flushen ? "F" : " ",
rte.rte_destination_id,
rte.rte_destination_eid);
}
}
#endif

3
sys/ia64/include/sapicvar.h
View File

@ -46,5 +46,8 @@ struct sapic *sapic_create(int id, int base, u_int64_t address);
void sapic_enable(struct sapic *sa, int input, int vector,
int trigger_mode, int polarity);
void sapic_eoi(struct sapic *sa, int vector);
#ifdef DDB
void sapic_print(struct sapic *sa, int input);
#endif
#endif /* ! _MACHINE_SAPICVAR_H_ */