bl1_entrypoint.S 1.77 KB
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/*
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 * Copyright (c) 2013-2015, 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 <el3_common_macros.S>
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	.globl	bl1_entrypoint
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	/* -----------------------------------------------------
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	 * bl1_entrypoint() is the entry point into the trusted
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	 * firmware code when a cpu is released from warm or
	 * cold reset.
	 * -----------------------------------------------------
	 */

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func bl1_entrypoint
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	/* ---------------------------------------------------------------------
	 * If the reset address is programmable then bl1_entrypoint() is
	 * executed only on the cold boot path. Therefore, we can skip the warm
	 * boot mailbox mechanism.
	 * ---------------------------------------------------------------------
	 */
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	el3_entrypoint_common					\
		_set_endian=1					\
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		_warm_boot_mailbox=!PROGRAMMABLE_RESET_ADDRESS	\
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		_secondary_cold_boot=!COLD_BOOT_SINGLE_CPU	\
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		_init_memory=1					\
		_init_c_runtime=1				\
		_exception_vectors=bl1_exceptions
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	/* ---------------------------------------------
	 * Architectural init. can be generic e.g.
	 * enabling stack alignment and platform spec-
	 * ific e.g. MMU & page table setup as per the
	 * platform memory map. Perform the latter here
	 * and the former in bl1_main.
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	 * ---------------------------------------------
	 */
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	bl	bl1_early_platform_setup
	bl	bl1_plat_arch_setup
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	/* --------------------------------------------------
	 * Initialize platform and jump to our c-entry point
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	 * for this type of reset.
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	 * --------------------------------------------------
	 */
	bl	bl1_main
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	/* --------------------------------------------------
	 * Do the transition to next boot image.
	 * --------------------------------------------------
	 */
	b	el3_exit
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endfunc bl1_entrypoint