OpenSolaris_b135/lib/efcode/fcdriver/misc.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <fcode/private.h>
#include <fcode/log.h>
#include <fcdriver/fcdriver.h>
static fc_cell_t
fc_reg_read(fcode_env_t *env, char *service, fstack_t virt, int *errp)
{
fc_cell_t virtaddr, data;
int error, nin;
if (!is_mcookie(virt))
forth_abort(env, "fc_reg_read: bad mcookie: 0x%x\n", virt);
virtaddr = mcookie_to_addr(virt);
/* Supress fc_run_priv error msgs on peeks */
nin = ((errp == NULL) ? 1 : (1 | FCRP_NOERROR));
error = fc_run_priv(env->private, service, nin, 1, virtaddr, &data);
if (errp)
/* Don't report error on peeks */
*errp = error;
else if (error) {
forth_abort(env, "fc_read_reg: ERROR: cookie: %llx"
" virt: %llx\n", (uint64_t)virt, (uint64_t)virtaddr);
}
return (data);
}
static void
fc_reg_write(fcode_env_t *env, char *service, fstack_t virt, fc_cell_t data,
int *errp)
{
fc_cell_t virtaddr;
int error, nin;
if (!is_mcookie(virt))
forth_abort(env, "fc_reg_write: bad mcookie: 0x%x\n", virt);
virtaddr = mcookie_to_addr(virt);
/* Supress fc_run_priv error msgs on pokes */
nin = ((errp == NULL) ? 2 : (2 | FCRP_NOERROR));
error = fc_run_priv(env->private, service, nin, 0, virtaddr, data);
if (errp)
/* Don't report error on pokes */
*errp = error;
else if (error) {
forth_abort(env, "fc_write_reg: ERROR: cookie: %llx"
" virt: %llx\n", (uint64_t)virt, (uint64_t)virtaddr);
}
}
static int
check_address_abuse(fcode_env_t *env, fstack_t addr, char *type,
int want_mcookie, void (*alt)(fcode_env_t *))
{
if (is_mcookie(addr) != want_mcookie) {
debug_msg(DEBUG_ADDR_ABUSE, "Warning: %s to %s address: %llx\n",
type, want_mcookie ? "unmapped" : "mapped",
(uint64_t)addr);
(*alt)(env);
return (1);
}
return (0);
}
static void
rlfetch(fcode_env_t *env)
{
fstack_t p;
CHECK_DEPTH(env, 1, "rl@");
p = TOS;
if (!check_address_abuse(env, p, "rl@", 1, lfetch))
TOS = (lforth_t)fc_reg_read(env, "rl@", p, NULL);
}
static void
rlstore(fcode_env_t *env)
{
fstack_t p, d;
CHECK_DEPTH(env, 2, "rl!");
p = TOS;
if (!check_address_abuse(env, p, "rl!", 1, lstore)) {
p = POP(DS);
d = POP(DS);
fc_reg_write(env, "rl!", p, d, NULL);
}
}
static void
rwfetch(fcode_env_t *env)
{
fstack_t p;
CHECK_DEPTH(env, 1, "rw@");
p = TOS;
if (!check_address_abuse(env, p, "rw@", 1, wfetch))
TOS = (wforth_t)fc_reg_read(env, "rw@", p, NULL);
}
static void
rwstore(fcode_env_t *env)
{
fstack_t p, d;
CHECK_DEPTH(env, 2, "rw!");
p = TOS;
if (!check_address_abuse(env, p, "rw!", 1, wstore)) {
p = POP(DS);
d = POP(DS);
fc_reg_write(env, "rw!", p, d, NULL);
}
}
void
rbfetch(fcode_env_t *env)
{
fstack_t p;
CHECK_DEPTH(env, 1, "rb@");
p = TOS;
if (!check_address_abuse(env, p, "rb@", 1, cfetch)) {
TOS = (uchar_t)fc_reg_read(env, "rb@", p, NULL);
}
}
static void
rbstore(fcode_env_t *env)
{
fstack_t p, d;
CHECK_DEPTH(env, 2, "rb!");
p = TOS;
if (!check_address_abuse(env, p, "rb!", 1, cstore)) {
p = POP(DS);
d = POP(DS);
fc_reg_write(env, "rb!", p, d, NULL);
}
}
/*
* rx@ ( xa -- xv )
*/
static void
rxfetch(fcode_env_t *env)
{
fstack_t p;
xforth_t x;
CHECK_DEPTH(env, 1, "rx@");
p = TOS;
if (!check_address_abuse(env, p, "rx@", 1, xfetch)) {
p = POP(DS);
push_xforth(env, (xforth_t)fc_reg_read(env, "rx@", p, NULL));
}
}
/*
* rx! ( xv xa -- )
*/
static void
rxstore(fcode_env_t *env)
{
fstack_t p;
xforth_t d;
CHECK_DEPTH(env, 2, "rx!");
p = TOS;
if (!check_address_abuse(env, p, "rx!", 1, xstore)) {
p = POP(DS);
d = pop_xforth(env);
fc_reg_write(env, "rx!", p, d, NULL);
}
}
static void
lpeek(fcode_env_t *env)
{
fstack_t p;
lforth_t r;
int error;
CHECK_DEPTH(env, 1, "lpeek");
p = POP(DS);
r = (lforth_t)fc_reg_read(env, "rl@", p, &error);
if (error)
PUSH(DS, FALSE);
else {
PUSH(DS, r);
PUSH(DS, TRUE);
}
}
static void
lpoke(fcode_env_t *env)
{
fstack_t p, d;
int error;
CHECK_DEPTH(env, 2, "lpoke");
p = POP(DS);
d = POP(DS);
fc_reg_write(env, "rl!", p, d, &error);
PUSH(DS, error ? FALSE : TRUE);
}
static void
wpeek(fcode_env_t *env)
{
fstack_t p;
int error;
wforth_t r;
CHECK_DEPTH(env, 1, "wpeek");
p = POP(DS);
r = (wforth_t)fc_reg_read(env, "rw@", p, &error);
if (error)
PUSH(DS, FALSE);
else {
PUSH(DS, r);
PUSH(DS, TRUE);
}
}
static void
wpoke(fcode_env_t *env)
{
fstack_t p, d;
int error;
CHECK_DEPTH(env, 2, "wpoke");
p = POP(DS);
d = POP(DS);
fc_reg_write(env, "rw!", p, d, &error);
PUSH(DS, error ? FALSE : TRUE);
}
static void
cpeek(fcode_env_t *env)
{
fstack_t p;
uchar_t r;
int error;
CHECK_DEPTH(env, 1, "cpeek");
p = POP(DS);
r = (uchar_t)fc_reg_read(env, "rb@", p, &error);
if (error)
PUSH(DS, FALSE);
else {
PUSH(DS, r);
PUSH(DS, TRUE);
}
}
static void
cpoke(fcode_env_t *env)
{
fstack_t p, d;
int error;
CHECK_DEPTH(env, 2, "cpoke");
p = POP(DS);
d = POP(DS);
fc_reg_write(env, "rb!", p, d, &error);
PUSH(DS, error ? FALSE : TRUE);
}
/*
* fcdriver version of cfetch, replaces base 'c@'
*/
static void
fcd_cfetch(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 1, "c@");
if (!check_address_abuse(env, addr, "c@", 0, rbfetch))
cfetch(env);
}
/*
* fcdriver version of cstore, replaces base 'c!'
*/
static void
fcd_cstore(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 2, "c!");
if (!check_address_abuse(env, addr, "c!", 0, rbstore))
cstore(env);
}
/*
* fcdriver version of wfetch, replaces base 'w@'
*/
static void
fcd_wfetch(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 1, "w@");
if (!check_address_abuse(env, addr, "w@", 0, rwfetch))
wfetch(env);
}
/*
* fcdriver version of wstore, replaces base 'w!'
*/
static void
fcd_wstore(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 2, "w!");
if (!check_address_abuse(env, addr, "w!", 0, rwstore))
wstore(env);
}
/*
* fcdriver version of lfetch, replaces base 'l@'
*/
static void
fcd_lfetch(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 1, "l@");
if (!check_address_abuse(env, addr, "l@", 0, rlfetch))
lfetch(env);
}
/*
* fcdriver version of lstore, replaces base 'l!'
*/
static void
fcd_lstore(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 2, "l!");
if (!check_address_abuse(env, addr, "l!", 0, rlstore))
lstore(env);
}
/*
* fcdriver version of xfetch, replaces base 'x@'
*/
static void
fcd_xfetch(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 1, "x@");
if (!check_address_abuse(env, addr, "x@", 0, rxfetch))
xfetch(env);
}
/*
* fcdriver version of xstore, replaces base 'x!'
*/
static void
fcd_xstore(fcode_env_t *env)
{
fstack_t addr = TOS;
CHECK_DEPTH(env, 2, "x!");
if (!check_address_abuse(env, addr, "x!", 0, rxstore))
xstore(env);
}
/*
* fcdriver version of move, replaces base 'move'
*/
static void
fcd_move(fcode_env_t *env)
{
size_t len;
uchar_t *destaddr, *srcaddr;
CHECK_DEPTH(env, 3, "move");
len = POP(DS);
destaddr = ((uchar_t *)POP(DS));
srcaddr = ((uchar_t *)POP(DS));
for (; len > 0; len--, srcaddr++, destaddr++) {
PUSH(DS, (fstack_t)srcaddr);
fcd_cfetch(env);
PUSH(DS, (fstack_t)destaddr);
fcd_cstore(env);
}
}
static void
fcd_comp(fcode_env_t *env)
{
char *str1, *str2, byte1, byte2;
size_t len;
CHECK_DEPTH(env, 3, "comp");
len = (size_t)POP(DS);
str1 = (char *)POP(DS);
str2 = (char *)POP(DS);
for (; len > 0; len--, str1++, str2++) {
PUSH(DS, (fstack_t)str1);
fcd_cfetch(env);
byte1 = POP(DS);
PUSH(DS, (fstack_t)str2);
fcd_cfetch(env);
byte2 = POP(DS);
if (byte1 > byte2) {
PUSH(DS, -1);
return;
}
if (byte1 < byte2) {
PUSH(DS, 1);
return;
}
}
PUSH(DS, 0);
}
char *
get_eeprom_value(fcode_env_t *env, char *name)
{
FILE *fd;
char buf[80], *p;
sprintf(buf, "eeprom '%s'", name);
if ((fd = popen(buf, "r")) == NULL)
return (NULL);
fgets(buf, sizeof (buf), fd);
pclose(fd);
if ((p = strchr(buf, '\n')) != NULL)
*p = '\0';
if ((p = strchr(buf, '=')) != NULL)
return (p + 1);
return (NULL);
}
static void
local_mac_address(fcode_env_t *env)
{
char *mac_str;
int mac_value;
mac_str = get_eeprom_value(env, "local-mac-address?");
if (mac_str != NULL && strcmp(mac_str, "true") == 0)
mac_value = TRUE;
else
mac_value = FALSE;
PUSH(DS, mac_value);
}
/*
* Allow for programmatic over-ride of 'mac-address'
*/
#define MAC_ADDR_SIZE 6
static char *mac_addr;
static int mac_addr_is_valid;
void
set_mac_address(char *macaddr)
{
mac_addr_is_valid = 1;
memcpy(mac_addr, macaddr, MAC_ADDR_SIZE);
}
void
push_mac_address(fcode_env_t *env)
{
PUSH(DS, (fstack_t)mac_addr);
PUSH(DS, MAC_ADDR_SIZE);
}
/*
* Does driver call to get this.
*/
static void
local_ether_addr(fcode_env_t *env)
{
static fc_cell_t *mac_add;
int error;
mac_add = MALLOC(sizeof (fc_cell_t) * 2);
error = fc_run_priv(env->private, "local-ether-addr", 0, 2, &mac_add[0],
&mac_add[1]);
if (error) {
bzero(mac_add, sizeof (mac_add));
}
PUSH(DS, (fstack_t)&mac_add[0]);
PUSH(DS, 6);
}
/*
* 'mac-address' - complicated by 'local-mac-address' stuff.
*/
static void
mac_address(fcode_env_t *env)
{
fstack_t d;
if (mac_addr_is_valid) {
push_mac_address(env);
return;
}
/*
* From here, we essentially re-implement OBP's 'mac-address' word.
* on some platforms, this may need to be re-implemented.
*/
local_mac_address(env);
d = POP(DS);
if (d) {
push_a_string(env, "local-mac-address");
get_inherited_prop(env);
d = POP(DS);
if (d == FALSE && TOS == 6)
return;
two_drop(env);
}
local_ether_addr(env);
}
/*
* Allow for the programmatic setting of diagnostic-mode?
*/
static int diag_mode_is_valid = 0;
static int diag_mode = 0;
void
set_diagnostic_mode(fcode_env_t *env)
{
fstack_t d = POP(DS);
diag_mode = d;
diag_mode_is_valid = 1;
}
void
push_diagnostic_mode(fcode_env_t *env)
{
PUSH(DS, (fstack_t)diag_mode);
}
/*
* 'diagnostic-mode?' - diagnostic-mode? is equivalent to NVRAM 'diag-switch?'
*/
static void
diagnostic_mode(fcode_env_t *env)
{
char *diag_str;
int diag_value;
if (!diag_mode_is_valid) {
diag_str = get_eeprom_value(env, "diag-switch?");
if (diag_str != NULL && strcmp(diag_str, "false") == 0)
diag_value = FALSE;
else
diag_value = TRUE;
PUSH(DS, diag_value);
set_diagnostic_mode(env);
}
push_diagnostic_mode(env);
}
/*
* May need to implement other memory-access Fcodes here (depending upon
* abuse), like fill, comp, +!, etc., etc.
*/
#pragma init(_init)
static void
_init(void)
{
fcode_env_t *env = initial_env;
mac_addr = MALLOC(MAC_ADDR_SIZE);
ASSERT(env);
NOTICE;
ANSI(0x06e, 0, "l@", fcd_lfetch);
ANSI(0x06f, 0, "w@", fcd_wfetch);
ANSI(0x071, 0, "c@", fcd_cfetch);
ANSI(0x073, 0, "l!", fcd_lstore);
ANSI(0x074, 0, "w!", fcd_wstore);
ANSI(0x075, 0, "c!", fcd_cstore);
ANSI(0x078, 0, "move", fcd_move);
ANSI(0x07a, 0, "comp", fcd_comp);
ANSI(0x120, 0, "diagnostic-mode?", diagnostic_mode);
ANSI(0x1a4, 0, "mac-address", mac_address);
P1275(0x220, 0, "cpeek", cpeek);
P1275(0x221, 0, "wpeek", wpeek);
P1275(0x222, 0, "lpeek", lpeek);
P1275(0x223, 0, "cpoke", cpoke);
P1275(0x224, 0, "wpoke", wpoke);
P1275(0x225, 0, "lpoke", lpoke);
P1275(0x230, 0, "rb@", rbfetch);
P1275(0x231, 0, "rb!", rbstore);
P1275(0x232, 0, "rw@", rwfetch);
P1275(0x233, 0, "rw!", rwstore);
P1275(0x234, 0, "rl@", rlfetch);
P1275(0x235, 0, "rl!", rlstore);
P1275(0x246, 0, "x@", fcd_xfetch);
P1275(0x247, 0, "x!", fcd_xstore);
P1275(0x22e, 0, "rx@", rxfetch);
P1275(0x22f, 0, "rx!", rxstore);
FORTH(0, "set-diagnostic-mode", set_diagnostic_mode);
FORTH(0, "local-mac-address?", local_mac_address);
FORTH(0, "local-ether-addr", local_ether_addr);
}