mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-24 04:34:22 +08:00
implement the Android sparse image format
update to provide usable implementation to U-Boot Signed-off-by: Steve Rae <srae@broadcom.com>
This commit is contained in:
Steve Rae
Tom Rini
parent
1c39d856db
commit
e6ca1ad604
129
common/aboot.c
129
common/aboot.c
@ -3,6 +3,7 @@
|
||||
* All rights reserved.
|
||||
*
|
||||
* Copyright (c) 2009-2014, The Linux Foundation. All rights reserved.
|
||||
* Portions Copyright 2014 Broadcom Corporation.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
@ -33,44 +34,32 @@
|
||||
* to the "BSD-3-Clause", therefore, DO NOT MODIFY THIS LICENSE TEXT!
|
||||
*/
|
||||
|
||||
void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <aboot.h>
|
||||
#include <malloc.h>
|
||||
#include <part.h>
|
||||
#include <sparse_format.h>
|
||||
|
||||
void write_sparse_image(block_dev_desc_t *dev_desc,
|
||||
disk_partition_t *info, const char *part_name,
|
||||
void *data, unsigned sz)
|
||||
{
|
||||
lbaint_t blk;
|
||||
lbaint_t blkcnt;
|
||||
lbaint_t blks;
|
||||
uint32_t bytes_written = 0;
|
||||
unsigned int chunk;
|
||||
unsigned int chunk_data_sz;
|
||||
uint32_t *fill_buf = NULL;
|
||||
uint32_t fill_val;
|
||||
uint32_t chunk_blk_cnt = 0;
|
||||
sparse_header_t *sparse_header;
|
||||
chunk_header_t *chunk_header;
|
||||
uint32_t total_blocks = 0;
|
||||
unsigned long long ptn = 0;
|
||||
unsigned long long size = 0;
|
||||
int index = INVALID_PTN;
|
||||
int i;
|
||||
uint8_t lun = 0;
|
||||
|
||||
index = partition_get_index(arg);
|
||||
ptn = partition_get_offset(index);
|
||||
if(ptn == 0) {
|
||||
fastboot_fail("partition table doesn't exist");
|
||||
return;
|
||||
}
|
||||
|
||||
size = partition_get_size(index);
|
||||
if (ROUND_TO_PAGE(sz,511) > size) {
|
||||
fastboot_fail("size too large");
|
||||
return;
|
||||
}
|
||||
|
||||
lun = partition_get_lun(index);
|
||||
mmc_set_lun(lun);
|
||||
|
||||
/* Read and skip over sparse image header */
|
||||
sparse_header = (sparse_header_t *) data;
|
||||
if ((sparse_header->total_blks * sparse_header->blk_sz) > size) {
|
||||
fastboot_fail("size too large");
|
||||
return;
|
||||
}
|
||||
|
||||
data += sparse_header->file_hdr_sz;
|
||||
if (sparse_header->file_hdr_sz > sizeof(sparse_header_t))
|
||||
@ -92,17 +81,31 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
debug("total_blks: %d\n", sparse_header->total_blks);
|
||||
debug("total_chunks: %d\n", sparse_header->total_chunks);
|
||||
|
||||
/* verify sparse_header->blk_sz is an exact multiple of info->blksz */
|
||||
if (sparse_header->blk_sz !=
|
||||
(sparse_header->blk_sz & ~(info->blksz - 1))) {
|
||||
printf("%s: Sparse image block size issue [%u]\n",
|
||||
__func__, sparse_header->blk_sz);
|
||||
fastboot_fail("sparse image block size issue");
|
||||
return;
|
||||
}
|
||||
|
||||
puts("Flashing Sparse Image\n");
|
||||
|
||||
/* Start processing chunks */
|
||||
blk = info->start;
|
||||
for (chunk=0; chunk<sparse_header->total_chunks; chunk++)
|
||||
{
|
||||
/* Read and skip over chunk header */
|
||||
chunk_header = (chunk_header_t *) data;
|
||||
data += sizeof(chunk_header_t);
|
||||
|
||||
debug("=== Chunk Header ===\n");
|
||||
debug("chunk_type: 0x%x\n", chunk_header->chunk_type);
|
||||
debug("chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
|
||||
debug("total_size: 0x%x\n", chunk_header->total_sz);
|
||||
if (chunk_header->chunk_type != CHUNK_TYPE_RAW) {
|
||||
debug("=== Chunk Header ===\n");
|
||||
debug("chunk_type: 0x%x\n", chunk_header->chunk_type);
|
||||
debug("chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
|
||||
debug("total_size: 0x%x\n", chunk_header->total_sz);
|
||||
}
|
||||
|
||||
if (sparse_header->chunk_hdr_sz > sizeof(chunk_header_t))
|
||||
{
|
||||
@ -115,6 +118,7 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
}
|
||||
|
||||
chunk_data_sz = sparse_header->blk_sz * chunk_header->chunk_sz;
|
||||
blkcnt = chunk_data_sz / info->blksz;
|
||||
switch (chunk_header->chunk_type)
|
||||
{
|
||||
case CHUNK_TYPE_RAW:
|
||||
@ -126,14 +130,25 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
return;
|
||||
}
|
||||
|
||||
if (mmc_write(ptn +
|
||||
((uint64_t)total_blocks *
|
||||
sparse_header->blk_sz),
|
||||
chunk_data_sz, (unsigned int *)data))
|
||||
{
|
||||
if (blk + blkcnt > info->start + info->size) {
|
||||
printf(
|
||||
"%s: Request would exceed partition size!\n",
|
||||
__func__);
|
||||
fastboot_fail(
|
||||
"Request would exceed partition size!");
|
||||
return;
|
||||
}
|
||||
|
||||
blks = dev_desc->block_write(dev_desc->dev, blk, blkcnt,
|
||||
data);
|
||||
if (blks != blkcnt) {
|
||||
printf("%s: Write failed " LBAFU "\n",
|
||||
__func__, blks);
|
||||
fastboot_fail("flash write failure");
|
||||
return;
|
||||
}
|
||||
blk += blkcnt;
|
||||
bytes_written += blkcnt * info->blksz;
|
||||
total_blocks += chunk_header->chunk_sz;
|
||||
data += chunk_data_sz;
|
||||
break;
|
||||
@ -148,9 +163,9 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
}
|
||||
|
||||
fill_buf = (uint32_t *)
|
||||
memalign(CACHE_LINE,
|
||||
ROUNDUP(sparse_header->blk_sz,
|
||||
CACHE_LINE));
|
||||
memalign(ARCH_DMA_MINALIGN,
|
||||
ROUNDUP(info->blksz,
|
||||
ARCH_DMA_MINALIGN));
|
||||
if (!fill_buf)
|
||||
{
|
||||
fastboot_fail(
|
||||
@ -160,27 +175,34 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
|
||||
fill_val = *(uint32_t *)data;
|
||||
data = (char *) data + sizeof(uint32_t);
|
||||
chunk_blk_cnt = chunk_data_sz / sparse_header->blk_sz;
|
||||
|
||||
for (i = 0; i < (sparse_header->blk_sz / sizeof(fill_val)); i++)
|
||||
{
|
||||
for (i = 0; i < (info->blksz / sizeof(fill_val)); i++)
|
||||
fill_buf[i] = fill_val;
|
||||
|
||||
if (blk + blkcnt > info->start + info->size) {
|
||||
printf(
|
||||
"%s: Request would exceed partition size!\n",
|
||||
__func__);
|
||||
fastboot_fail(
|
||||
"Request would exceed partition size!");
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = 0; i < chunk_blk_cnt; i++)
|
||||
{
|
||||
if (mmc_write(ptn +
|
||||
((uint64_t)total_blocks *
|
||||
sparse_header->blk_sz),
|
||||
sparse_header->blk_sz, fill_buf))
|
||||
{
|
||||
for (i = 0; i < blkcnt; i++) {
|
||||
blks = dev_desc->block_write(dev_desc->dev,
|
||||
blk, 1, fill_buf);
|
||||
if (blks != 1) {
|
||||
printf(
|
||||
"%s: Write failed, block # " LBAFU "\n",
|
||||
__func__, blkcnt);
|
||||
fastboot_fail("flash write failure");
|
||||
free(fill_buf);
|
||||
return;
|
||||
}
|
||||
|
||||
total_blocks++;
|
||||
blk++;
|
||||
}
|
||||
bytes_written += blkcnt * info->blksz;
|
||||
total_blocks += chunk_data_sz / sparse_header->blk_sz;
|
||||
|
||||
free(fill_buf);
|
||||
break;
|
||||
@ -189,7 +211,7 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
total_blocks += chunk_header->chunk_sz;
|
||||
break;
|
||||
|
||||
case CHUNK_TYPE_CRC:
|
||||
case CHUNK_TYPE_CRC32:
|
||||
if (chunk_header->total_sz !=
|
||||
sparse_header->chunk_hdr_sz)
|
||||
{
|
||||
@ -202,8 +224,8 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
break;
|
||||
|
||||
default:
|
||||
debug("Unkown chunk type: %x\n",
|
||||
chunk_header->chunk_type);
|
||||
printf("%s: Unknown chunk type: %x\n", __func__,
|
||||
chunk_header->chunk_type);
|
||||
fastboot_fail("Unknown chunk type");
|
||||
return;
|
||||
}
|
||||
@ -211,6 +233,7 @@ void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
|
||||
|
||||
debug("Wrote %d blocks, expected to write %d blocks\n",
|
||||
total_blocks, sparse_header->total_blks);
|
||||
printf("........ wrote %u bytes to '%s'\n", bytes_written, part_name);
|
||||
|
||||
if (total_blocks != sparse_header->total_blks)
|
||||
fastboot_fail("sparse image write failure");
|
||||
|
||||
28
include/aboot.h
Normal file
28
include/aboot.h
Normal file
@ -0,0 +1,28 @@
|
||||
/*
|
||||
* Copyright 2014 Broadcom Corporation.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include <part.h>
|
||||
#include <sparse_format.h>
|
||||
|
||||
#define ROUNDUP(x, y) (((x) + ((y) - 1)) & ~((y) - 1))
|
||||
|
||||
void fastboot_fail(const char *s);
|
||||
void fastboot_okay(const char *s);
|
||||
|
||||
static inline int is_sparse_image(void *buf)
|
||||
{
|
||||
sparse_header_t *s_header = (sparse_header_t *)buf;
|
||||
|
||||
if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
|
||||
(le16_to_cpu(s_header->major_version) == 1))
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void write_sparse_image(block_dev_desc_t *dev_desc,
|
||||
disk_partition_t *info, const char *part_name,
|
||||
void *data, unsigned sz);
|
||||
7
include/sparse_defs.h
Normal file
7
include/sparse_defs.h
Normal file
@ -0,0 +1,7 @@
|
||||
/*
|
||||
* Copyright 2014 Broadcom Corporation.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include <linux/types.h>
|
||||
Loading…
Reference in New Issue
Block a user