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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* "PROM" interface
*/
#include <sys/types.h>
#include <sys/promif.h>
#include <sys/salib.h>
#include <kmdb/kmdb_promif_impl.h>
#include <kmdb/kmdb_kdi.h>
#include <kmdb/kmdb_dpi.h>
#include <mdb/mdb_err.h>
#include <mdb/mdb_debug.h>
#include <mdb/mdb_string.h>
#include <mdb/mdb.h>
struct boot_syscalls *kmdb_sysp;
ssize_t
kmdb_prom_obp_writer(caddr_t buf, size_t len)
{
int i;
for (i = 0; i < len; i++)
prom_putchar(*buf++);
return (len);
}
/*ARGSUSED*/
ihandle_t
kmdb_prom_get_handle(char *name)
{
/* no handles here */
return (0);
}
char *
kmdb_prom_get_ddi_prop(kmdb_auxv_t *kav, char *propname)
{
int i;
if (kav->kav_pcache != NULL) {
for (i = 0; i < kav->kav_nprops; i++) {
kmdb_auxv_nv_t *nv = &kav->kav_pcache[i];
if (strcmp(nv->kanv_name, propname) == 0)
return (nv->kanv_val);
}
}
return (NULL);
}
/*ARGSUSED*/
void
kmdb_prom_free_ddi_prop(char *val)
{
}
/*
* This function is actually about checking if we are using
* local console versus serial console. Serial console can be named
* "ttyX" where X is [a-d], or "usb-serial".
*/
int
kmdb_prom_stdout_is_framebuffer(kmdb_auxv_t *kav)
{
char *dev;
/*
* The property "output-device" value is set in property cache, and
* is based on either "output-device" or "console" properties from
* the actual system. We can't use the official promif version, as we
* need to ensure that property lookups come from our property cache.
*/
if ((dev = kmdb_prom_get_ddi_prop(kav, "output-device")) == NULL)
return (0);
if (strncmp(dev, "tty", 3) == 0)
return (0);
if (strcmp(dev, "usb-serial") == 0)
return (0);
/* Anything else is classified as local console. */
return (1);
}
void
kmdb_prom_get_tem_size(kmdb_auxv_t *kav, ushort_t *rows, ushort_t *cols)
{
char *val;
unsigned long u;
val = kmdb_prom_get_ddi_prop(kav, "screen-#rows");
if (val != NULL) {
u = strtoul(val, NULL, 10);
*rows = (ushort_t)u;
}
val = kmdb_prom_get_ddi_prop(kav, "screen-#cols");
if (val != NULL) {
u = strtoul(val, NULL, 10);
*cols = (ushort_t)u;
}
}
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