update to provide usable implementation to U-Boot
Signed-off-by: Steve Rae srae@broadcom.com ---
common/aboot.c | 128 +++++++++++++++++++++++++++++--------------------- include/aboot.h | 28 +++++++++++ include/sparse_defs.h | 7 +++ 3 files changed, 110 insertions(+), 53 deletions(-) create mode 100644 include/aboot.h create mode 100644 include/sparse_defs.h
diff --git a/common/aboot.c b/common/aboot.c index f38fc95..053be49 100644 --- a/common/aboot.c +++ b/common/aboot.c @@ -8,44 +8,32 @@ * SPDX-License-Identifier: BSD-3L-Clause */
-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)) @@ -67,17 +55,31 @@ 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)) { @@ -90,6 +92,7 @@ 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: @@ -101,14 +104,25 @@ 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; @@ -123,9 +137,9 @@ 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( @@ -135,27 +149,34 @@ 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; @@ -164,7 +185,7 @@ 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) { @@ -177,8 +198,8 @@ 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; } @@ -186,6 +207,7 @@ 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"); diff --git a/include/aboot.h b/include/aboot.h new file mode 100644 index 0000000..30e4d36 --- /dev/null +++ b/include/aboot.h @@ -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); diff --git a/include/sparse_defs.h b/include/sparse_defs.h new file mode 100644 index 0000000..d0612c9 --- /dev/null +++ b/include/sparse_defs.h @@ -0,0 +1,7 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/types.h>