mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
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01f62b6d0d
These hooks are intended to allow one platform to try load images from alternative places. There is a hook to initialize the sequence of boot locations and a hook to pass to the next sequence. Change-Id: Ia0f84c415208dc4fa4f9d060d58476db23efa5b2 Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
152 lines
4.5 KiB
ArmAsm
152 lines
4.5 KiB
ArmAsm
/*
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* Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <platform_def.h>
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.weak plat_report_exception
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.weak plat_crash_console_init
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.weak plat_crash_console_putc
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.weak plat_crash_console_flush
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.weak plat_reset_handler
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.weak plat_disable_acp
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.weak bl1_plat_prepare_exit
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.weak plat_error_handler
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.weak plat_panic_handler
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.weak bl2_plat_preload_setup
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.weak plat_try_next_boot_source
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#if !ENABLE_PLAT_COMPAT
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.globl platform_get_core_pos
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#define MPIDR_RES_BIT_MASK 0xff000000
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/* ------------------------------------------------------------------
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* int platform_get_core_pos(int mpidr)
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* Returns the CPU index of the CPU specified by mpidr. This is
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* defined when platform compatibility is disabled to enable Trusted
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* Firmware components like SPD using the old platform API to work.
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* This API is deprecated and it assumes that the mpidr specified is
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* that of a valid and present CPU. Instead, plat_my_core_pos()
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* should be used for CPU index of the current CPU and
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* plat_core_pos_by_mpidr() should be used for CPU index of a
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* CPU specified by its mpidr.
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* ------------------------------------------------------------------
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*/
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func_deprecated platform_get_core_pos
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bic x0, x0, #MPIDR_RES_BIT_MASK
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mrs x1, mpidr_el1
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bic x1, x1, #MPIDR_RES_BIT_MASK
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cmp x0, x1
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beq plat_my_core_pos
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b platform_core_pos_helper
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endfunc_deprecated platform_get_core_pos
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#endif
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform.
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* -----------------------------------------------------
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*/
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func plat_report_exception
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ret
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endfunc plat_report_exception
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform.
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* -----------------------------------------------------
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*/
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func plat_crash_console_init
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mov x0, #0
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ret
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endfunc plat_crash_console_init
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform.
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* -----------------------------------------------------
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*/
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func plat_crash_console_putc
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ret
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endfunc plat_crash_console_putc
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform.
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* -----------------------------------------------------
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*/
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func plat_crash_console_flush
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ret
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endfunc plat_crash_console_flush
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform. This function should preserve x19 - x29.
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* -----------------------------------------------------
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*/
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func plat_reset_handler
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ret
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endfunc plat_reset_handler
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform. This function is allowed to use
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* registers x0 - x17.
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* -----------------------------------------------------
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*/
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func plat_disable_acp
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ret
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endfunc plat_disable_acp
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/* -----------------------------------------------------
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* void bl1_plat_prepare_exit(entry_point_info_t *ep_info);
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* Called before exiting BL1. Default: do nothing
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* -----------------------------------------------------
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*/
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func bl1_plat_prepare_exit
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ret
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endfunc bl1_plat_prepare_exit
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/* -----------------------------------------------------
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* void plat_error_handler(int err) __dead2;
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* Endless loop by default.
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* -----------------------------------------------------
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*/
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func plat_error_handler
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wfi
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b plat_error_handler
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endfunc plat_error_handler
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/* -----------------------------------------------------
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* void plat_panic_handler(void) __dead2;
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* Endless loop by default.
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* -----------------------------------------------------
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*/
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func plat_panic_handler
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wfi
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b plat_panic_handler
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endfunc plat_panic_handler
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platfrom.
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* -----------------------------------------------------
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*/
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func bl2_plat_preload_setup
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ret
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endfunc bl2_plat_preload_setup
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platfrom.
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* -----------------------------------------------------
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*/
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func plat_try_next_boot_source
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mov x0, #0
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ret
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endfunc plat_try_next_boot_source
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