88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
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/* *
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* Copyright (c) CompanyNameMagicTag 2018-2019. All rights reserved.
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* Description: kernel upg
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* Author: CompanyName
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* Create: 2018-10-31
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*/
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#include "upg_kernel.h"
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td_u32 boot_upg_kernel_lzma_detect(const ext_start_ctrl *start_ctrl, const ext_21_upg_head_section *section_info,
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td_u32 *uncompress_size)
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{
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td_u8 lzma_head[13] = { 0 }; /* head 13B */
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td_u32 dic_size = 0;
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td_u32 ret;
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/* get LZMA head. get uncompressed size */
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ret = uapi_flash_read(start_ctrl->flash_addr_upg + section_info->offset, 13, lzma_head); /* read 13B */
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ret |= uapi_lzma_get_uncompress_len(lzma_head, sizeof(lzma_head), uncompress_size, &dic_size);
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if (ret != EXT_ERR_SUCCESS) {
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return ret;
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}
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/* RAM usage detect for LAMA uncompressing.
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* Avoid can't uncompress after erasing file, it'll cause unable to start */
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ret = uapi_lzma_mem_detect(lzma_head, sizeof(lzma_head));
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return ret;
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}
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td_u32 boot_upg_kernel_process(td_void)
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{
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td_u32 ret = EXT_ERR_SUCCESS;
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ext_start_ctrl *start_ctrl = &g_start_ctrl;
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ext_21_upg_head_section *section_info0 = TD_NULL;
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ext_21_upg_head_section *section_info1 = TD_NULL;
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td_u32 erase_size0, erase_size1;
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td_u32 uncompress_size0, uncompress_size1;
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if (g_start_ctrl.upg_sections == TD_NULL) {
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return EXT_ERR_FAILURE;
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}
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section_info0 = ext_upg_head_get_section(0);
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section_info1 = ext_upg_head_get_section(1);
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if (section_info0->attribute_compress) { /* kernel image is compressed file: execute currently */
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ret = boot_upg_kernel_lzma_detect(start_ctrl, section_info0, &uncompress_size0);
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if (ret != EXT_ERR_SUCCESS) {
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return ret;
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}
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} else {
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uncompress_size0 = section_info0->compress_size;
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}
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if (uncompress_size0 == 0) {
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return EXT_ERR_UPG_FAIL_2;
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}
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if (section_info1->attribute_compress) { /* NV image is compressed file: execute currently */
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ret = boot_upg_kernel_lzma_detect(start_ctrl, section_info1, &uncompress_size1);
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if (ret != EXT_ERR_SUCCESS) {
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return ret;
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}
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} else {
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uncompress_size1 = section_info1->compress_size;
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}
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if (uncompress_size1 == 0) {
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return EXT_ERR_UPG_FAIL_3;
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}
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/* make 4K allignment for kernal and NV before compression. Erasing target space */
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erase_size0 = uncompress_size0;
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erase_size0 = align_length(erase_size0, ALIGNTYPE_4K);
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erase_size1 = uncompress_size1;
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erase_size1 = align_length(erase_size1, ALIGNTYPE_4K);
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boot_msg2("[LOG][UPG]erase", start_ctrl->flash_addr_ker, erase_size0);
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boot_msg2("[LOG][UPG]erase", start_ctrl->flash_addr_nv_file, erase_size1);
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ret |= uapi_flash_erase(start_ctrl->flash_addr_ker, erase_size0);
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ret |= uapi_flash_erase(start_ctrl->flash_addr_nv_file, erase_size1);
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/* uncompress kernel and nv file to target space */
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ret |= upg_copy_flash_2_flash(start_ctrl->flash_addr_upg + section_info0->offset, start_ctrl->flash_addr_ker,
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section_info0->compress_size, uncompress_size0, section_info0->attribute_compress);
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ret |= upg_copy_flash_2_flash(start_ctrl->flash_addr_upg + section_info1->offset, start_ctrl->flash_addr_nv_file,
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section_info1->compress_size, uncompress_size1, section_info1->attribute_compress);
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return ret;
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}
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