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feat(arm): save BL32 image base and size in entry point info

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There is no platform function to retrieve the info in the generic code.
Populate the BL32 image base, size and max limit in arg2, arg3 and arg4.

Signed-off-by: Achin Gupta <achin.gupta@arm.com>
Signed-off-by: Nishant Sharma <nishant.sharma@arm.com>
Change-Id: Id41cedd790ca1713787e5516fb84666d1ccb0b03
This commit is contained in:
Nishant Sharma 2023-10-13 11:22:08 +01:00
parent 5a4c3f0baa
commit 821b01fa75
1 changed files with 18 additions and 0 deletions
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18
plat/arm/common/arm_bl31_setup.c
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@ -198,6 +198,24 @@ void __init arm_bl31_early_platform_setup(void *from_bl2, uintptr_t soc_fw_confi
while (bl_params != NULL) {
if (bl_params->image_id == BL32_IMAGE_ID) {
bl32_image_ep_info = *bl_params->ep_info;
#if defined(SPMC_AT_EL3)
/*
* Populate the BL32 image base, size and max limit in
* the entry point information, since there is no
* platform function to retrieve them in generic
* code. We choose arg2, arg3 and arg4 since the generic
* code uses arg1 for stashing the SP manifest size. The
* SPMC setup uses these arguments to update SP manifest
* with actual SP's base address and it size.
*/
bl32_image_ep_info.args.arg2 =
bl_params->image_info->image_base;
bl32_image_ep_info.args.arg3 =
bl_params->image_info->image_size;
bl32_image_ep_info.args.arg4 =
bl_params->image_info->image_base +
bl_params->image_info->image_max_size;
#endif
}
#if ENABLE_RME
else if (bl_params->image_id == RMM_IMAGE_ID) {