Rework BL2 to BL3-1 hand over interface
This patch reworks BL2 to BL3-1 hand over interface by introducing a composite structure (bl31_args) that holds the superset of information that needs to be passed from BL2 to BL3-1. - The extents of secure memory available to BL3-1 - The extents of memory available to BL3-2 (not yet implemented) and BL3-3 - Information to execute BL3-2 (not yet implemented) and BL3-3 images This patch also introduces a new platform API (bl2_get_bl31_args_ptr) that needs to be implemented by the platform code to export reference to bl31_args structure which has been allocated in platform-defined memory. The platform will initialize the extents of memory available to BL3-3 during early platform setup in bl31_args structure. This obviates the need for bl2_get_ns_mem_layout platform API. BL2 calls the bl2_get_bl31_args_ptr function to get a reference to bl31_args structure. It uses the 'bl33_meminfo' field of this structure to load the BL3-3 image. It sets the entry point information for the BL3-3 image in the 'bl33_image_info' field of this structure. The reference to this structure is passed to the BL3-1 image. Also fixes issue ARM-software/tf-issues#25 Change-Id: Ic36426196dd5ebf89e60ff42643bed01b3500517
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bl1/bl1.ld.S |
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bl1/bl1_main.c |
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bl2/bl2_main.c |
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bl31/aarch64/bl31_entrypoint.S |
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common/bl_common.c |
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docs/porting-guide.md |
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docs/user-guide.md |
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include/aarch64/arch_helpers.h |
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include/bl2.h |
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include/bl_common.h |
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plat/fvp/bl2_plat_setup.c |
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plat/fvp/bl31_plat_setup.c |
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plat/fvp/platform.h |
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