diff options
author | Achin Gupta <achin.gupta@arm.com> | 2013-10-25 09:08:21 +0100 |
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committer | James Morrissey <james.morrissey@arm.com> | 2013-10-25 09:37:16 +0100 |
commit | 4f6ad66ae9fcc8bcb3b0fcee10b7ab1ffcaf1a56 (patch) | |
tree | 475db5d74370cb62b02afab0900774955a59702f /bl31/bl31_main.c |
ARMv8 Trusted Firmware release v0.2
Diffstat (limited to 'bl31/bl31_main.c')
-rw-r--r-- | bl31/bl31_main.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/bl31/bl31_main.c b/bl31/bl31_main.c new file mode 100644 index 00000000..e8fa2f8f --- /dev/null +++ b/bl31/bl31_main.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2013, ARM Limited. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <arch_helpers.h> +#include <console.h> +#include <platform.h> +#include <semihosting.h> +#include <bl_common.h> +#include <bl31.h> +#include <runtime_svc.h> + +void bl31_arch_next_el_setup(void); + +/******************************************************************************* + * BL31 is responsible for setting up the runtime services for the primary cpu + * before passing control to the bootloader (UEFI) or Linux. + ******************************************************************************/ +void bl31_main(void) +{ + el_change_info *image_info; + unsigned long mpidr = read_mpidr(); + + /* Perform remaining generic architectural setup from EL3 */ + bl31_arch_setup(); + + /* Perform platform setup in BL1 */ + bl31_platform_setup(); + +#if defined (__GNUC__) + printf("BL31 Built : %s, %s\n\r", __TIME__, __DATE__); +#endif + + + /* Initialize the runtime services e.g. psci */ + runtime_svc_init(mpidr); + + /* Clean caches before re-entering normal world */ + dcsw_op_all(DCCSW); + + image_info = bl31_get_next_image_info(mpidr); + bl31_arch_next_el_setup(); + change_el(image_info); + + /* There is no valid reason for change_el() to return */ + assert(0); +} |