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feat(fconf): add a helper to get image index

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A new function dyn_cfg_dtb_info_get_index() is created to get the index
of the given image config_id in the dtb_infos pool.
This allows checking if an image with a specific ID is in the FIP.

Change-Id: Ib300ed08e5b8a683dc7980a90221c305fb3f457d
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2021-12-13 15:22:45 +01:00
parent a5645148a6
commit 9e3f409398
2 changed files with 20 additions and 4 deletions
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5
include/lib/fconf/fconf_dyn_cfg_getter.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2020, Arm Limited. All rights reserved.
* Copyright (c) 2019-2021, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -9,6 +9,8 @@
#include <lib/fconf/fconf.h>
#define FCONF_INVALID_IDX 0xFFFFFFFFU
/* Dynamic configuration related getter */
#define dyn_cfg__dtb_getter(id) dyn_cfg_dtb_info_getter(id)
@ -18,6 +20,7 @@ struct dyn_cfg_dtb_info_t {
unsigned int config_id;
};
unsigned int dyn_cfg_dtb_info_get_index(unsigned int config_id);
struct dyn_cfg_dtb_info_t *dyn_cfg_dtb_info_getter(unsigned int config_id);
int fconf_populate_dtb_registry(uintptr_t config);

19
lib/fconf/fconf_dyn_cfg_getter.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2020, Arm Limited. All rights reserved.
* Copyright (c) 2019-2021, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -40,17 +40,30 @@ void set_config_info(uintptr_t config_addr, uint32_t config_max_size,
dtb_info->config_id = config_id;
}
struct dyn_cfg_dtb_info_t *dyn_cfg_dtb_info_getter(unsigned int config_id)
/* Get index of the config_id image */
unsigned int dyn_cfg_dtb_info_get_index(unsigned int config_id)
{
unsigned int index;
/* Positions index to the proper config-id */
for (index = 0U; index < MAX_DTB_INFO; index++) {
if (dtb_infos[index].config_id == config_id) {
return &dtb_infos[index];
return index;
}
}
return FCONF_INVALID_IDX;
}
struct dyn_cfg_dtb_info_t *dyn_cfg_dtb_info_getter(unsigned int config_id)
{
/* Positions index to the proper config-id */
unsigned int index = dyn_cfg_dtb_info_get_index(config_id);
if (index < MAX_DTB_INFO) {
return &dtb_infos[index];
}
WARN("FCONF: Invalid config id %u\n", config_id);
return NULL;