NetBSD-5.0.2/sys/arch/ews4800mips/stand/common/mem.c
/* $NetBSD: mem.c,v 1.5 2008/04/28 20:23:19 martin Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <lib/libsa/stand.h>
#include <lib/libkern/libkern.h>
#include <machine/param.h>
#include <machine/bfs.h>
#include "local.h"
#include "cmd.h"
/*
* Dump 350 GA-ROM
* >> mem g 0xf7e00000 4 4 0x8000 garom.bin
*/
void mem_write(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
void mem_read(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
bool __ga_rom;
int
cmd_mem(int argc, char *argp[], int interactive)
{
const char *filename = 0;
struct bfs *bfs;
uint32_t a[4], v;
int i, c;
size_t size;
void *p;
if (argc < 6)
goto error;
for (i = 0; i < 4; i++)
a[i] = strtoul(argp[2 + i], 0, 0);
c = *argp[1];
if (c == 'g') {
size = a[3]; /* GA-ROM special */
__ga_rom = true;
} else {
size = a[1] * a[3];
__ga_rom = false;
}
p = 0;
if ((c == 'd') || (c == 'b') || (c == 'g')) {
if (argc < 7)
goto error;
filename = argp[6];
if (strlen(filename) > BFS_FILENAME_MAXLEN) {
printf("too long filename. (max %d)\n",
BFS_FILENAME_MAXLEN);
return 1;
}
if ((p = alloc(size)) == 0) {
printf("can't allocate buffer.\n");
return 1;
}
if (bfs_init(&bfs) != 0) {
printf("no BFS partition.\n");
dealloc(p, size);
return 1;
}
}
switch (c) {
default:
goto error;
case 'r':
mem_read(a[0], a[1], a[2], a[3], 0);
break;
case 'w':
if (argc < 7)
goto error;
v = strtoul(argp[6], 0, 0);
mem_write(a[0], a[1], a[2], a[3], (uint32_t)&v);
break;
case 'd':
mem_read(a[0], a[1], a[2], a[3], (uint32_t)p);
if (bfs_file_write(bfs, filename, p, size) != 0)
printf("BFS write failed.\n");
bfs_fini(bfs);
break;
case 'b':
if (bfs_file_read(bfs, filename, p, size, 0) != 0)
printf("BFS read failed.\n");
else
mem_write(a[0], a[1], a[2], a[3], (uint32_t)p);
bfs_fini(bfs);
break;
case 'g': /* GA-ROM special */
mem_read(a[0], a[1], a[2], a[3], (uint32_t)p);
if (bfs_file_write(bfs, filename, p, size) != 0)
printf("BFS write failed.\n");
bfs_fini(bfs);
break;
}
return 0;
error:
printf("mem r addr access_byte stride count\n");
printf("mem w addr access_byte stride count value\n");
printf("mem d addr access_byte stride count filename\n");
printf("mem b addr access_byte stride count filename\n");
printf("mem g addr access_byte stride count filename (GA-ROM only)\n");
return 1;
}
void
mem_write(uint32_t dst_addr, uint32_t access, uint32_t stride,
uint32_t count, uint32_t src_addr)
{
int i;
printf("write: addr=%p access=%dbyte stride=%dbyte count=%d Y/N?",
(void *)dst_addr, access, stride, count);
if (!prompt_yesno(1))
return;
switch (access) {
default:
printf("invalid %dbyte access.\n", access);
break;
case 1:
if (count == 1)
printf("%p = 0x%x\n",
(uint8_t *)dst_addr, *(uint8_t *)src_addr);
for (i = 0; i < count; i++,
dst_addr += stride, src_addr += stride) {
*(uint8_t *)dst_addr = *(uint8_t *)src_addr;
}
case 2:
if (count == 1)
printf("%p = 0x%x\n",
(uint16_t *)dst_addr, *(uint16_t *)src_addr);
for (i = 0; i < count; i++,
dst_addr += stride, src_addr += stride) {
*(uint16_t *)dst_addr = *(uint16_t *)src_addr;
}
case 4:
if (count == 1)
printf("%p = 0x%x\n",
(uint32_t *)dst_addr, *(uint32_t *)src_addr);
for (i = 0; i < count; i++,
dst_addr += stride, src_addr += stride) {
*(uint32_t *)dst_addr = *(uint32_t *)src_addr;
}
}
}
void
mem_read(uint32_t src_addr, uint32_t access, uint32_t stride,
uint32_t count, uint32_t dst_addr)
{
uint32_t v = 0;
int i;
printf("read: addr=%p access=%dbyte stride=%dbyte count=%d. Y/N?\n",
(void *)src_addr, access, stride, count);
if (!prompt_yesno(1))
return;
if (dst_addr == 0) {
for (i = 0; i < count; i++) {
switch (access) {
default:
printf("invalid %dbyte access.\n", access);
break;
case 1:
v = *(uint8_t *)src_addr;
break;
case 2:
v = *(uint16_t *)src_addr;
break;
case 4:
v = *(uint32_t *)src_addr;
break;
}
printf("%p: > 0x%x\n", (void *)src_addr, v);
src_addr += stride;
}
} else {
switch (access) {
default:
printf("invalid %dbyte access.\n", access);
break;
case 1:
for (i = 0; i < count; i++,
src_addr += stride, dst_addr += stride)
*(uint8_t *)dst_addr = *(uint8_t *)src_addr;
break;
case 2:
for (i = 0; i < count; i++,
src_addr += stride, dst_addr += stride)
*(uint16_t *)dst_addr = *(uint16_t *)src_addr;
break;
case 4:
if (__ga_rom) {
for (i = 0; i < count; i++,
src_addr += 4, dst_addr += 1)
*(uint8_t *)dst_addr =
*(uint32_t *)src_addr;
} else {
for (i = 0; i < count; i++,
src_addr += stride, dst_addr += stride)
*(uint32_t *)dst_addr =
*(uint32_t *)src_addr;
}
break;
}
}
printf("done.\n");
}