# This option is not just y/n - it can have a numeric value
ifdef CONFIG_FASTBOOT_FLASH
-obj-y += aboot.o
+obj-y += image-sparse.o
ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
obj-y += fb_mmc.o
endif
+++ /dev/null
-/*
- * Copyright (c) 2009, Google Inc.
- * 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:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of The Linux Foundation nor
- * the names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
- *
- * NOTE:
- * Although it is very similar, this license text is not identical
- * to the "BSD-3-Clause", therefore, DO NOT MODIFY THIS LICENSE TEXT!
- */
-
-#include <config.h>
-#include <common.h>
-#include <aboot.h>
-#include <div64.h>
-#include <errno.h>
-#include <malloc.h>
-#include <part.h>
-#include <sparse_format.h>
-
-#include <linux/math64.h>
-
-typedef struct sparse_buffer {
- void *data;
- u32 length;
- u32 repeat;
- u16 type;
-} sparse_buffer_t;
-
-static uint32_t last_offset;
-
-static unsigned int sparse_get_chunk_data_size(sparse_header_t *sparse,
- chunk_header_t *chunk)
-{
- return chunk->total_sz - sparse->chunk_hdr_sz;
-}
-
-static unsigned int sparse_block_size_to_storage(unsigned int size,
- sparse_storage_t *storage,
- sparse_header_t *sparse)
-{
- return size * sparse->blk_sz / storage->block_sz;
-}
-
-static bool sparse_chunk_has_buffer(chunk_header_t *chunk)
-{
- switch (chunk->chunk_type) {
- case CHUNK_TYPE_RAW:
- case CHUNK_TYPE_FILL:
- return true;
-
- default:
- return false;
- }
-}
-
-static sparse_header_t *sparse_parse_header(void **data)
-{
- /* Read and skip over sparse image header */
- sparse_header_t *sparse_header = (sparse_header_t *) *data;
-
- *data += sparse_header->file_hdr_sz;
-
- debug("=== Sparse Image Header ===\n");
- debug("magic: 0x%x\n", sparse_header->magic);
- debug("major_version: 0x%x\n", sparse_header->major_version);
- debug("minor_version: 0x%x\n", sparse_header->minor_version);
- debug("file_hdr_sz: %d\n", sparse_header->file_hdr_sz);
- debug("chunk_hdr_sz: %d\n", sparse_header->chunk_hdr_sz);
- debug("blk_sz: %d\n", sparse_header->blk_sz);
- debug("total_blks: %d\n", sparse_header->total_blks);
- debug("total_chunks: %d\n", sparse_header->total_chunks);
-
- return sparse_header;
-}
-
-static int sparse_parse_fill_chunk(sparse_header_t *sparse,
- chunk_header_t *chunk)
-{
- unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
-
- if (chunk_data_sz != sizeof(uint32_t))
- return -EINVAL;
-
- return 0;
-}
-
-static int sparse_parse_raw_chunk(sparse_header_t *sparse,
- chunk_header_t *chunk)
-{
- unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
-
- /* Check if the data size is a multiple of the main block size */
- if (chunk_data_sz % sparse->blk_sz)
- return -EINVAL;
-
- /* Check that the chunk size is consistent */
- if ((chunk_data_sz / sparse->blk_sz) != chunk->chunk_sz)
- return -EINVAL;
-
- return 0;
-}
-
-static chunk_header_t *sparse_parse_chunk(sparse_header_t *sparse,
- void **image)
-{
- chunk_header_t *chunk = (chunk_header_t *) *image;
- int ret;
-
- debug("=== Chunk Header ===\n");
- debug("chunk_type: 0x%x\n", chunk->chunk_type);
- debug("chunk_data_sz: 0x%x\n", chunk->chunk_sz);
- debug("total_size: 0x%x\n", chunk->total_sz);
-
- switch (chunk->chunk_type) {
- case CHUNK_TYPE_RAW:
- ret = sparse_parse_raw_chunk(sparse, chunk);
- if (ret)
- return NULL;
- break;
-
- case CHUNK_TYPE_FILL:
- ret = sparse_parse_fill_chunk(sparse, chunk);
- if (ret)
- return NULL;
- break;
-
- case CHUNK_TYPE_DONT_CARE:
- case CHUNK_TYPE_CRC32:
- debug("Ignoring chunk\n");
- break;
-
- default:
- printf("%s: Unknown chunk type: %x\n", __func__,
- chunk->chunk_type);
- return NULL;
- }
-
- *image += sparse->chunk_hdr_sz;
-
- return chunk;
-}
-
-static int sparse_get_fill_buffer(sparse_header_t *sparse,
- chunk_header_t *chunk,
- sparse_buffer_t *buffer,
- unsigned int blk_sz,
- void *data)
-{
- int i;
-
- buffer->type = CHUNK_TYPE_FILL;
-
- /*
- * We create a buffer of one block, and ask it to be
- * repeated as many times as needed.
- */
- buffer->length = blk_sz;
- buffer->repeat = (chunk->chunk_sz * sparse->blk_sz) / blk_sz;
-
- buffer->data = memalign(ARCH_DMA_MINALIGN,
- ROUNDUP(blk_sz,
- ARCH_DMA_MINALIGN));
- if (!buffer->data)
- return -ENOMEM;
-
- for (i = 0; i < (buffer->length / sizeof(uint32_t)); i++)
- ((uint32_t *)buffer->data)[i] = *(uint32_t *)(data);
-
- return 0;
-}
-
-static int sparse_get_raw_buffer(sparse_header_t *sparse,
- chunk_header_t *chunk,
- sparse_buffer_t *buffer,
- unsigned int blk_sz,
- void *data)
-{
- unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
-
- buffer->type = CHUNK_TYPE_RAW;
- buffer->length = chunk_data_sz;
- buffer->data = data;
- buffer->repeat = 1;
-
- return 0;
-}
-
-static sparse_buffer_t *sparse_get_data_buffer(sparse_header_t *sparse,
- chunk_header_t *chunk,
- unsigned int blk_sz,
- void **image)
-{
- unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
- sparse_buffer_t *buffer;
- void *data = *image;
- int ret;
-
- *image += chunk_data_sz;
-
- if (!sparse_chunk_has_buffer(chunk))
- return NULL;
-
- buffer = calloc(sizeof(sparse_buffer_t), 1);
- if (!buffer)
- return NULL;
-
- switch (chunk->chunk_type) {
- case CHUNK_TYPE_RAW:
- ret = sparse_get_raw_buffer(sparse, chunk, buffer, blk_sz,
- data);
- if (ret)
- return NULL;
- break;
-
- case CHUNK_TYPE_FILL:
- ret = sparse_get_fill_buffer(sparse, chunk, buffer, blk_sz,
- data);
- if (ret)
- return NULL;
- break;
-
- default:
- return NULL;
- }
-
- debug("=== Buffer ===\n");
- debug("length: 0x%x\n", buffer->length);
- debug("repeat: 0x%x\n", buffer->repeat);
- debug("type: 0x%x\n", buffer->type);
- debug("data: 0x%p\n", buffer->data);
-
- return buffer;
-}
-
-static void sparse_put_data_buffer(sparse_buffer_t *buffer)
-{
- if (buffer->type == CHUNK_TYPE_FILL)
- free(buffer->data);
-
- free(buffer);
-}
-
-int store_sparse_image(sparse_storage_t *storage, void *storage_priv,
- unsigned int session_id, void *data)
-{
- unsigned int chunk, offset;
- sparse_header_t *sparse_header;
- chunk_header_t *chunk_header;
- sparse_buffer_t *buffer;
- uint32_t start;
- uint32_t total_blocks = 0;
- uint32_t skipped = 0;
- int i;
-
- debug("=== Storage ===\n");
- debug("name: %s\n", storage->name);
- debug("block_size: 0x%x\n", storage->block_sz);
- debug("start: 0x%x\n", storage->start);
- debug("size: 0x%x\n", storage->size);
- debug("write: 0x%p\n", storage->write);
- debug("priv: 0x%p\n", storage_priv);
-
- sparse_header = sparse_parse_header(&data);
- if (!sparse_header) {
- printf("sparse header issue\n");
- return -EINVAL;
- }
-
- /*
- * Verify that the sparse block size is a multiple of our
- * storage backend block size
- */
- div_u64_rem(sparse_header->blk_sz, storage->block_sz, &offset);
- if (offset) {
- printf("%s: Sparse image block size issue [%u]\n",
- __func__, sparse_header->blk_sz);
- return -EINVAL;
- }
-
- /*
- * If it's a new flashing session, start at the beginning of
- * the partition. If not, then simply resume where we were.
- */
- if (session_id > 0)
- start = last_offset;
- else
- start = storage->start;
-
- printf("Flashing sparse image on partition %s at offset 0x%x (ID: %d)\n",
- storage->name, start * storage->block_sz, session_id);
-
- /* Start processing chunks */
- for (chunk = 0; chunk < sparse_header->total_chunks; chunk++) {
- uint32_t blkcnt;
-
- chunk_header = sparse_parse_chunk(sparse_header, &data);
- if (!chunk_header) {
- printf("Unknown chunk type");
- return -EINVAL;
- }
-
- /*
- * If we have a DONT_CARE type, just skip the blocks
- * and go on parsing the rest of the chunks
- */
- if (chunk_header->chunk_type == CHUNK_TYPE_DONT_CARE) {
- skipped += sparse_block_size_to_storage(chunk_header->chunk_sz,
- storage,
- sparse_header);
- continue;
- }
-
- /* Retrieve the buffer we're going to write */
- buffer = sparse_get_data_buffer(sparse_header, chunk_header,
- storage->block_sz, &data);
- if (!buffer)
- continue;
-
- blkcnt = (buffer->length / storage->block_sz) * buffer->repeat;
-
- if ((start + total_blocks + blkcnt) >
- (storage->start + storage->size)) {
- printf("%s: Request would exceed partition size!\n",
- __func__);
- return -EINVAL;
- }
-
- for (i = 0; i < buffer->repeat; i++) {
- unsigned long buffer_blk_cnt;
- int ret;
-
- buffer_blk_cnt = buffer->length / storage->block_sz;
-
- ret = storage->write(storage, storage_priv,
- start + total_blocks,
- buffer_blk_cnt,
- buffer->data);
- if (ret < 0) {
- printf("%s: Write %d failed %d\n",
- __func__, i, ret);
- return ret;
- }
-
- total_blocks += ret;
- }
-
- sparse_put_data_buffer(buffer);
- }
-
- debug("Wrote %d blocks, skipped %d, expected to write %d blocks\n",
- total_blocks, skipped,
- sparse_block_size_to_storage(sparse_header->total_blks,
- storage, sparse_header));
- printf("........ wrote %d blocks to '%s'\n", total_blocks,
- storage->name);
-
- if ((total_blocks + skipped) !=
- sparse_block_size_to_storage(sparse_header->total_blks,
- storage, sparse_header)) {
- printf("sparse image write failure\n");
- return -EIO;
- }
-
- last_offset = start + total_blocks;
-
- return 0;
-}
#include <errno.h>
#include <fastboot.h>
#include <fb_mmc.h>
+#include <image-sparse.h>
#include <part.h>
-#include <aboot.h>
#include <sparse_format.h>
#include <mmc.h>
#include <config.h>
#include <common.h>
-#include <aboot.h>
#include <fastboot.h>
+#include <image-sparse.h>
#include <sparse_format.h>
#include <linux/mtd/mtd.h>
--- /dev/null
+/*
+ * Copyright (c) 2009, Google Inc.
+ * 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:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of The Linux Foundation nor
+ * the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
+ *
+ * NOTE:
+ * Although it is very similar, this license text is not identical
+ * to the "BSD-3-Clause", therefore, DO NOT MODIFY THIS LICENSE TEXT!
+ */
+
+#include <config.h>
+#include <common.h>
+#include <div64.h>
+#include <errno.h>
+#include <image-sparse.h>
+#include <malloc.h>
+#include <part.h>
+#include <sparse_format.h>
+
+#include <linux/math64.h>
+
+typedef struct sparse_buffer {
+ void *data;
+ u32 length;
+ u32 repeat;
+ u16 type;
+} sparse_buffer_t;
+
+static uint32_t last_offset;
+
+static unsigned int sparse_get_chunk_data_size(sparse_header_t *sparse,
+ chunk_header_t *chunk)
+{
+ return chunk->total_sz - sparse->chunk_hdr_sz;
+}
+
+static unsigned int sparse_block_size_to_storage(unsigned int size,
+ sparse_storage_t *storage,
+ sparse_header_t *sparse)
+{
+ return size * sparse->blk_sz / storage->block_sz;
+}
+
+static bool sparse_chunk_has_buffer(chunk_header_t *chunk)
+{
+ switch (chunk->chunk_type) {
+ case CHUNK_TYPE_RAW:
+ case CHUNK_TYPE_FILL:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static sparse_header_t *sparse_parse_header(void **data)
+{
+ /* Read and skip over sparse image header */
+ sparse_header_t *sparse_header = (sparse_header_t *) *data;
+
+ *data += sparse_header->file_hdr_sz;
+
+ debug("=== Sparse Image Header ===\n");
+ debug("magic: 0x%x\n", sparse_header->magic);
+ debug("major_version: 0x%x\n", sparse_header->major_version);
+ debug("minor_version: 0x%x\n", sparse_header->minor_version);
+ debug("file_hdr_sz: %d\n", sparse_header->file_hdr_sz);
+ debug("chunk_hdr_sz: %d\n", sparse_header->chunk_hdr_sz);
+ debug("blk_sz: %d\n", sparse_header->blk_sz);
+ debug("total_blks: %d\n", sparse_header->total_blks);
+ debug("total_chunks: %d\n", sparse_header->total_chunks);
+
+ return sparse_header;
+}
+
+static int sparse_parse_fill_chunk(sparse_header_t *sparse,
+ chunk_header_t *chunk)
+{
+ unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
+
+ if (chunk_data_sz != sizeof(uint32_t))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sparse_parse_raw_chunk(sparse_header_t *sparse,
+ chunk_header_t *chunk)
+{
+ unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
+
+ /* Check if the data size is a multiple of the main block size */
+ if (chunk_data_sz % sparse->blk_sz)
+ return -EINVAL;
+
+ /* Check that the chunk size is consistent */
+ if ((chunk_data_sz / sparse->blk_sz) != chunk->chunk_sz)
+ return -EINVAL;
+
+ return 0;
+}
+
+static chunk_header_t *sparse_parse_chunk(sparse_header_t *sparse,
+ void **image)
+{
+ chunk_header_t *chunk = (chunk_header_t *) *image;
+ int ret;
+
+ debug("=== Chunk Header ===\n");
+ debug("chunk_type: 0x%x\n", chunk->chunk_type);
+ debug("chunk_data_sz: 0x%x\n", chunk->chunk_sz);
+ debug("total_size: 0x%x\n", chunk->total_sz);
+
+ switch (chunk->chunk_type) {
+ case CHUNK_TYPE_RAW:
+ ret = sparse_parse_raw_chunk(sparse, chunk);
+ if (ret)
+ return NULL;
+ break;
+
+ case CHUNK_TYPE_FILL:
+ ret = sparse_parse_fill_chunk(sparse, chunk);
+ if (ret)
+ return NULL;
+ break;
+
+ case CHUNK_TYPE_DONT_CARE:
+ case CHUNK_TYPE_CRC32:
+ debug("Ignoring chunk\n");
+ break;
+
+ default:
+ printf("%s: Unknown chunk type: %x\n", __func__,
+ chunk->chunk_type);
+ return NULL;
+ }
+
+ *image += sparse->chunk_hdr_sz;
+
+ return chunk;
+}
+
+static int sparse_get_fill_buffer(sparse_header_t *sparse,
+ chunk_header_t *chunk,
+ sparse_buffer_t *buffer,
+ unsigned int blk_sz,
+ void *data)
+{
+ int i;
+
+ buffer->type = CHUNK_TYPE_FILL;
+
+ /*
+ * We create a buffer of one block, and ask it to be
+ * repeated as many times as needed.
+ */
+ buffer->length = blk_sz;
+ buffer->repeat = (chunk->chunk_sz * sparse->blk_sz) / blk_sz;
+
+ buffer->data = memalign(ARCH_DMA_MINALIGN,
+ ROUNDUP(blk_sz,
+ ARCH_DMA_MINALIGN));
+ if (!buffer->data)
+ return -ENOMEM;
+
+ for (i = 0; i < (buffer->length / sizeof(uint32_t)); i++)
+ ((uint32_t *)buffer->data)[i] = *(uint32_t *)(data);
+
+ return 0;
+}
+
+static int sparse_get_raw_buffer(sparse_header_t *sparse,
+ chunk_header_t *chunk,
+ sparse_buffer_t *buffer,
+ unsigned int blk_sz,
+ void *data)
+{
+ unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
+
+ buffer->type = CHUNK_TYPE_RAW;
+ buffer->length = chunk_data_sz;
+ buffer->data = data;
+ buffer->repeat = 1;
+
+ return 0;
+}
+
+static sparse_buffer_t *sparse_get_data_buffer(sparse_header_t *sparse,
+ chunk_header_t *chunk,
+ unsigned int blk_sz,
+ void **image)
+{
+ unsigned int chunk_data_sz = sparse_get_chunk_data_size(sparse, chunk);
+ sparse_buffer_t *buffer;
+ void *data = *image;
+ int ret;
+
+ *image += chunk_data_sz;
+
+ if (!sparse_chunk_has_buffer(chunk))
+ return NULL;
+
+ buffer = calloc(sizeof(sparse_buffer_t), 1);
+ if (!buffer)
+ return NULL;
+
+ switch (chunk->chunk_type) {
+ case CHUNK_TYPE_RAW:
+ ret = sparse_get_raw_buffer(sparse, chunk, buffer, blk_sz,
+ data);
+ if (ret)
+ return NULL;
+ break;
+
+ case CHUNK_TYPE_FILL:
+ ret = sparse_get_fill_buffer(sparse, chunk, buffer, blk_sz,
+ data);
+ if (ret)
+ return NULL;
+ break;
+
+ default:
+ return NULL;
+ }
+
+ debug("=== Buffer ===\n");
+ debug("length: 0x%x\n", buffer->length);
+ debug("repeat: 0x%x\n", buffer->repeat);
+ debug("type: 0x%x\n", buffer->type);
+ debug("data: 0x%p\n", buffer->data);
+
+ return buffer;
+}
+
+static void sparse_put_data_buffer(sparse_buffer_t *buffer)
+{
+ if (buffer->type == CHUNK_TYPE_FILL)
+ free(buffer->data);
+
+ free(buffer);
+}
+
+int store_sparse_image(sparse_storage_t *storage, void *storage_priv,
+ unsigned int session_id, void *data)
+{
+ unsigned int chunk, offset;
+ sparse_header_t *sparse_header;
+ chunk_header_t *chunk_header;
+ sparse_buffer_t *buffer;
+ uint32_t start;
+ uint32_t total_blocks = 0;
+ uint32_t skipped = 0;
+ int i;
+
+ debug("=== Storage ===\n");
+ debug("name: %s\n", storage->name);
+ debug("block_size: 0x%x\n", storage->block_sz);
+ debug("start: 0x%x\n", storage->start);
+ debug("size: 0x%x\n", storage->size);
+ debug("write: 0x%p\n", storage->write);
+ debug("priv: 0x%p\n", storage_priv);
+
+ sparse_header = sparse_parse_header(&data);
+ if (!sparse_header) {
+ printf("sparse header issue\n");
+ return -EINVAL;
+ }
+
+ /*
+ * Verify that the sparse block size is a multiple of our
+ * storage backend block size
+ */
+ div_u64_rem(sparse_header->blk_sz, storage->block_sz, &offset);
+ if (offset) {
+ printf("%s: Sparse image block size issue [%u]\n",
+ __func__, sparse_header->blk_sz);
+ return -EINVAL;
+ }
+
+ /*
+ * If it's a new flashing session, start at the beginning of
+ * the partition. If not, then simply resume where we were.
+ */
+ if (session_id > 0)
+ start = last_offset;
+ else
+ start = storage->start;
+
+ printf("Flashing sparse image on partition %s at offset 0x%x (ID: %d)\n",
+ storage->name, start * storage->block_sz, session_id);
+
+ /* Start processing chunks */
+ for (chunk = 0; chunk < sparse_header->total_chunks; chunk++) {
+ uint32_t blkcnt;
+
+ chunk_header = sparse_parse_chunk(sparse_header, &data);
+ if (!chunk_header) {
+ printf("Unknown chunk type");
+ return -EINVAL;
+ }
+
+ /*
+ * If we have a DONT_CARE type, just skip the blocks
+ * and go on parsing the rest of the chunks
+ */
+ if (chunk_header->chunk_type == CHUNK_TYPE_DONT_CARE) {
+ skipped += sparse_block_size_to_storage(chunk_header->chunk_sz,
+ storage,
+ sparse_header);
+ continue;
+ }
+
+ /* Retrieve the buffer we're going to write */
+ buffer = sparse_get_data_buffer(sparse_header, chunk_header,
+ storage->block_sz, &data);
+ if (!buffer)
+ continue;
+
+ blkcnt = (buffer->length / storage->block_sz) * buffer->repeat;
+
+ if ((start + total_blocks + blkcnt) >
+ (storage->start + storage->size)) {
+ printf("%s: Request would exceed partition size!\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < buffer->repeat; i++) {
+ unsigned long buffer_blk_cnt;
+ int ret;
+
+ buffer_blk_cnt = buffer->length / storage->block_sz;
+
+ ret = storage->write(storage, storage_priv,
+ start + total_blocks,
+ buffer_blk_cnt,
+ buffer->data);
+ if (ret < 0) {
+ printf("%s: Write %d failed %d\n",
+ __func__, i, ret);
+ return ret;
+ }
+
+ total_blocks += ret;
+ }
+
+ sparse_put_data_buffer(buffer);
+ }
+
+ debug("Wrote %d blocks, skipped %d, expected to write %d blocks\n",
+ total_blocks, skipped,
+ sparse_block_size_to_storage(sparse_header->total_blks,
+ storage, sparse_header));
+ printf("........ wrote %d blocks to '%s'\n", total_blocks,
+ storage->name);
+
+ if ((total_blocks + skipped) !=
+ sparse_block_size_to_storage(sparse_header->total_blks,
+ storage, sparse_header)) {
+ printf("sparse image write failure\n");
+ return -EIO;
+ }
+
+ last_offset = start + total_blocks;
+
+ return 0;
+}
+++ /dev/null
-/*
- * 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))
-
-typedef struct sparse_storage {
- unsigned int block_sz;
- unsigned int start;
- unsigned int size;
- const char *name;
-
- int (*write)(struct sparse_storage *storage, void *priv,
- unsigned int offset, unsigned int size,
- char *data);
-} sparse_storage_t;
-
-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;
-}
-
-int store_sparse_image(sparse_storage_t *storage, void *storage_priv,
- unsigned int session_id, void *data);
--- /dev/null
+/*
+ * 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))
+
+typedef struct sparse_storage {
+ unsigned int block_sz;
+ unsigned int start;
+ unsigned int size;
+ const char *name;
+
+ int (*write)(struct sparse_storage *storage, void *priv,
+ unsigned int offset, unsigned int size,
+ char *data);
+} sparse_storage_t;
+
+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;
+}
+
+int store_sparse_image(sparse_storage_t *storage, void *storage_priv,
+ unsigned int session_id, void *data);
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