e08991e02a
Remove support for the HTC-specific "firmware" update command and the corresponding edify function write_firmware_update(). This functionality is now done by an edify extension library that lives in vendor/htc. Change-Id: I80858951ff10ed8dfff98aefb796bef009e05efb
122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "bootloader.h"
|
|
#include "common.h"
|
|
#include "mtdutils/mtdutils.h"
|
|
#include "roots.h"
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
static const char *CACHE_NAME = "CACHE:";
|
|
static const char *MISC_NAME = "MISC:";
|
|
static const int MISC_PAGES = 3; // number of pages to save
|
|
static const int MISC_COMMAND_PAGE = 1; // bootloader command is this page
|
|
|
|
#ifdef LOG_VERBOSE
|
|
static void dump_data(const char *data, int len) {
|
|
int pos;
|
|
for (pos = 0; pos < len; ) {
|
|
printf("%05x: %02x", pos, data[pos]);
|
|
for (++pos; pos < len && (pos % 24) != 0; ++pos) {
|
|
printf(" %02x", data[pos]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
int get_bootloader_message(struct bootloader_message *out) {
|
|
size_t write_size;
|
|
const MtdPartition *part = get_root_mtd_partition(MISC_NAME);
|
|
if (part == NULL || mtd_partition_info(part, NULL, NULL, &write_size)) {
|
|
LOGE("Can't find %s\n", MISC_NAME);
|
|
return -1;
|
|
}
|
|
|
|
MtdReadContext *read = mtd_read_partition(part);
|
|
if (read == NULL) {
|
|
LOGE("Can't open %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
const ssize_t size = write_size * MISC_PAGES;
|
|
char data[size];
|
|
ssize_t r = mtd_read_data(read, data, size);
|
|
if (r != size) LOGE("Can't read %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
mtd_read_close(read);
|
|
if (r != size) return -1;
|
|
|
|
#ifdef LOG_VERBOSE
|
|
printf("\n--- get_bootloader_message ---\n");
|
|
dump_data(data, size);
|
|
printf("\n");
|
|
#endif
|
|
|
|
memcpy(out, &data[write_size * MISC_COMMAND_PAGE], sizeof(*out));
|
|
return 0;
|
|
}
|
|
|
|
int set_bootloader_message(const struct bootloader_message *in) {
|
|
size_t write_size;
|
|
const MtdPartition *part = get_root_mtd_partition(MISC_NAME);
|
|
if (part == NULL || mtd_partition_info(part, NULL, NULL, &write_size)) {
|
|
LOGE("Can't find %s\n", MISC_NAME);
|
|
return -1;
|
|
}
|
|
|
|
MtdReadContext *read = mtd_read_partition(part);
|
|
if (read == NULL) {
|
|
LOGE("Can't open %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
ssize_t size = write_size * MISC_PAGES;
|
|
char data[size];
|
|
ssize_t r = mtd_read_data(read, data, size);
|
|
if (r != size) LOGE("Can't read %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
mtd_read_close(read);
|
|
if (r != size) return -1;
|
|
|
|
memcpy(&data[write_size * MISC_COMMAND_PAGE], in, sizeof(*in));
|
|
|
|
#ifdef LOG_VERBOSE
|
|
printf("\n--- set_bootloader_message ---\n");
|
|
dump_data(data, size);
|
|
printf("\n");
|
|
#endif
|
|
|
|
MtdWriteContext *write = mtd_write_partition(part);
|
|
if (write == NULL) {
|
|
LOGE("Can't open %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
return -1;
|
|
}
|
|
if (mtd_write_data(write, data, size) != size) {
|
|
LOGE("Can't write %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
mtd_write_close(write);
|
|
return -1;
|
|
}
|
|
if (mtd_write_close(write)) {
|
|
LOGE("Can't finish %s\n(%s)\n", MISC_NAME, strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
LOGI("Set boot command \"%s\"\n", in->command[0] != 255 ? in->command : "");
|
|
return 0;
|
|
}
|