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spl: Extract legacy image handling into separate file

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This patch moves the legacy image handling into a separate file, which
will be extended with other legacy image features later.

No function change intended.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Weijie Gao <weijie.gao@mediatek.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Stefan Roese 2020-04-21 09:28:41 +02:00 committed by Daniel Schwierzeck
parent a38f84b439
commit c11081729f
3 changed files with 67 additions and 44 deletions
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1
common/spl/Makefile
View File

@ -10,6 +10,7 @@ ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_$(SPL_TPL_)FRAMEWORK) += spl.o
obj-$(CONFIG_$(SPL_TPL_)BOOTROM_SUPPORT) += spl_bootrom.o
obj-$(CONFIG_$(SPL_TPL_)LOAD_FIT) += spl_fit.o
obj-$(CONFIG_$(SPL_TPL_)LEGACY_IMAGE_SUPPORT) += spl_legacy.o
obj-$(CONFIG_$(SPL_TPL_)NOR_SUPPORT) += spl_nor.o
obj-$(CONFIG_$(SPL_TPL_)XIP_SUPPORT) += spl_xip.o
obj-$(CONFIG_$(SPL_TPL_)YMODEM_SUPPORT) += spl_ymodem.o

56
common/spl/spl.c
View File

@ -254,6 +254,14 @@ static int spl_load_fit_image(struct spl_image_info *spl_image,
}
#endif
__weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
const struct image_header *header)
{
/* LEGACY image not supported */
debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
return -EINVAL;
}
int spl_parse_image_header(struct spl_image_info *spl_image,
const struct image_header *header)
{
@ -264,51 +272,11 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
return ret;
#endif
if (image_get_magic(header) == IH_MAGIC) {
#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
u32 header_size = sizeof(struct image_header);
int ret;
#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);
#else
/* LEGACY image not supported */
debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
return -EINVAL;
#endif
ret = spl_parse_legacy_header(spl_image, header);
if (ret)
return ret;
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*

54
common/spl/spl_legacy.c Normal file
View File

@ -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;
}