diff options
Diffstat (limited to 'common/spl/spl_legacy.c')
| -rw-r--r-- | common/spl/spl_legacy.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/common/spl/spl_legacy.c b/common/spl/spl_legacy.c new file mode 100644 index 0000000000..33f3587e3b --- /dev/null +++ b/common/spl/spl_legacy.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Stefan Roese <sr@denx.de> + */ + +#include <common.h> +#include <spl.h> + +int spl_parse_legacy_header(struct spl_image_info *spl_image, + const struct image_header *header) +{ + u32 header_size = sizeof(struct image_header); + +#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK + /* check uImage header CRC */ + if (!image_check_hcrc(header)) { + puts("SPL: Image header CRC check failed!\n"); + return -EINVAL; + } +#endif + + if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) { + /* + * On some system (e.g. powerpc), the load-address and + * entry-point is located at address 0. We can't load + * to 0-0x40. So skip header in this case. + */ + spl_image->load_addr = image_get_load(header); + spl_image->entry_point = image_get_ep(header); + spl_image->size = image_get_data_size(header); + } else { + spl_image->entry_point = image_get_ep(header); + /* Load including the header */ + spl_image->load_addr = image_get_load(header) - + header_size; + spl_image->size = image_get_data_size(header) + + header_size; + } + +#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK + /* store uImage data length and CRC to check later */ + spl_image->dcrc_data = image_get_load(header); + spl_image->dcrc_length = image_get_data_size(header); + spl_image->dcrc = image_get_dcrc(header); +#endif + + spl_image->os = image_get_os(header); + spl_image->name = image_get_name(header); + debug(SPL_TPL_PROMPT + "payload image: %32s load addr: 0x%lx size: %d\n", + spl_image->name, spl_image->load_addr, spl_image->size); + + return 0; +} |