mirror of
https://github.com/CTCaer/switch-l4t-atf.git
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3443a7027d
Attempts to address MISRA compliance issues in BL1, BL2, and BL31 code. Mainly issues like not using boolean expressions in conditionals, conflicting variable names, ignoring return values without (void), adding explicit casts, etc. Change-Id: If1fa18ab621b9c374db73fa6eaa6f6e5e55c146a Signed-off-by: John Powell <john.powell@arm.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* Copyright (c) 2015-2020, 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 <assert.h>
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#include <stdint.h>
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#include <platform_def.h>
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#include <arch.h>
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#include <arch_helpers.h>
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#include <bl1/bl1.h>
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#include <bl2u/bl2u.h>
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#include <common/bl_common.h>
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#include <common/debug.h>
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#include <drivers/auth/auth_mod.h>
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#include <drivers/console.h>
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#include <plat/common/platform.h>
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/*******************************************************************************
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* This function is responsible to:
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* Load SCP_BL2U if platform has defined SCP_BL2U_BASE
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* Perform platform setup.
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* Go back to EL3.
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******************************************************************************/
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void bl2u_main(void)
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{
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NOTICE("BL2U: %s\n", version_string);
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NOTICE("BL2U: %s\n", build_message);
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#if SCP_BL2U_BASE
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int rc;
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/* Load the subsequent bootloader images */
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rc = bl2u_plat_handle_scp_bl2u();
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if (rc != 0) {
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ERROR("Failed to load SCP_BL2U (%i)\n", rc);
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panic();
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}
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#endif
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/* Perform platform setup in BL2U after loading SCP_BL2U */
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bl2u_platform_setup();
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console_flush();
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#ifndef __aarch64__
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/*
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* For AArch32 state BL1 and BL2U share the MMU setup.
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* Given that BL2U does not map BL1 regions, MMU needs
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* to be disabled in order to go back to BL1.
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*/
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disable_mmu_icache_secure();
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#endif /* !__aarch64__ */
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/*
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* Indicate that BL2U is done and resume back to
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* normal world via an SMC to BL1.
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* x1 could be passed to Normal world,
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* so DO NOT pass any secret information.
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*/
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smc(FWU_SMC_SEC_IMAGE_DONE, 0, 0, 0, 0, 0, 0, 0);
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wfi();
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}
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