diff options
Diffstat (limited to 'bl2/aarch32/bl2_el3_entrypoint.S')
-rw-r--r-- | bl2/aarch32/bl2_el3_entrypoint.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/bl2/aarch32/bl2_el3_entrypoint.S b/bl2/aarch32/bl2_el3_entrypoint.S new file mode 100644 index 0000000..40154aa --- /dev/null +++ b/bl2/aarch32/bl2_el3_entrypoint.S @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2017-2021, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <common/bl_common.h> +#include <el3_common_macros.S> + + .globl bl2_entrypoint + + +func bl2_entrypoint + /* Save arguments x0-x3 from previous Boot loader */ + mov r9, r0 + mov r10, r1 + mov r11, r2 + mov r12, r3 + + el3_entrypoint_common \ + _init_sctlr=1 \ + _warm_boot_mailbox=!PROGRAMMABLE_RESET_ADDRESS \ + _secondary_cold_boot=!COLD_BOOT_SINGLE_CPU \ + _init_memory=1 \ + _init_c_runtime=1 \ + _exception_vectors=bl2_vector_table \ + _pie_fixup_size=0 + + /* + * Restore parameters of boot rom + */ + mov r0, r9 + mov r1, r10 + mov r2, r11 + mov r3, r12 + + /* --------------------------------------------- + * Perform BL2 setup + * --------------------------------------------- + */ + bl bl2_el3_setup + + /* --------------------------------------------- + * Jump to main function. + * --------------------------------------------- + */ + bl bl2_main + + /* --------------------------------------------- + * Should never reach this point. + * --------------------------------------------- + */ + no_ret plat_panic_handler + +endfunc bl2_entrypoint |