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/* $FreeBSD: release/9.1.0/sys/powerpc/powerpc/db_interface.c 209975 2010-07-13 05:32:19Z nwhitehorn $ */
/* $NetBSD: db_interface.c,v 1.20 2002/05/13 20:30:09 matt Exp $ */
/* $OpenBSD: db_interface.c,v 1.2 1996/12/28 06:21:50 rahnds Exp $ */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/cons.h>
#include <sys/kdb.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/pcpu.h>
#include <sys/proc.h>
#include <sys/smp.h>
#include <machine/kdb.h>
#include <machine/md_var.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <ddb/ddb.h>
#include <ddb/db_sym.h>
#include <ddb/db_command.h>
#include <ddb/db_access.h>
#include <ddb/db_output.h>
#include <dev/ofw/openfirm.h>
int
db_read_bytes(vm_offset_t addr, size_t size, char *data)
{
jmp_buf jb;
void *prev_jb;
char *src;
int ret;
prev_jb = kdb_jmpbuf(jb);
ret = setjmp(jb);
if (ret == 0) {
src = (char *)addr;
if (size == 4)
*((int *)data) = *((int *)src);
else if (size == 2)
*((short *)data) = *((short *)src);
else
while (size-- > 0)
*data++ = *src++;
}
(void)kdb_jmpbuf(prev_jb);
return (ret);
}
int
db_write_bytes(vm_offset_t addr, size_t size, char *data)
{
jmp_buf jb;
void *prev_jb;
char *dst;
size_t cnt;
int ret;
prev_jb = kdb_jmpbuf(jb);
ret = setjmp(jb);
if (ret == 0) {
dst = (char *)addr;
cnt = size;
while (cnt-- > 0)
*dst++ = *data++;
kdb_cpu_sync_icache((void *)addr, size);
}
(void)kdb_jmpbuf(prev_jb);
return (ret);
}
void
db_show_mdpcpu(struct pcpu *pc)
{
db_printf("PPC: hwref = %#zx\n", pc->pc_hwref);
db_printf("PPC: ipimask = %#x\n", pc->pc_ipimask);
db_printf("PPC: pir = %#x\n", pc->pc_pir);
}