diff options
Diffstat (limited to 'bl2/aarch64/bl2_rme_entrypoint.S')
| -rw-r--r-- | bl2/aarch64/bl2_rme_entrypoint.S | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/bl2/aarch64/bl2_rme_entrypoint.S b/bl2/aarch64/bl2_rme_entrypoint.S new file mode 100644 index 0000000..076e326 --- /dev/null +++ b/bl2/aarch64/bl2_rme_entrypoint.S @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2021, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <platform_def.h> + +#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 x20, x0 + mov x21, x1 + mov x22, x2 + mov x23, x3 + + el3_entrypoint_common \ + _init_sctlr=0 \ + _warm_boot_mailbox=0 \ + _secondary_cold_boot=0 \ + _init_memory=0 \ + _init_c_runtime=1 \ + _exception_vectors=bl2_el3_exceptions \ + _pie_fixup_size=0 + + /* --------------------------------------------- + * Restore parameters of boot rom + * --------------------------------------------- + */ + mov x0, x20 + mov x1, x21 + mov x2, x22 + mov x3, x23 + + /* --------------------------------------------- + * Perform BL2 setup + * --------------------------------------------- + */ + bl bl2_setup + +#if ENABLE_PAUTH + /* --------------------------------------------- + * Program APIAKey_EL1 and enable pointer authentication. + * --------------------------------------------- + */ + bl pauth_init_enable_el3 +#endif /* ENABLE_PAUTH */ + + /* --------------------------------------------- + * Jump to main function. + * --------------------------------------------- + */ + bl bl2_main + + /* --------------------------------------------- + * Should never reach this point. + * --------------------------------------------- + */ + no_ret plat_panic_handler +endfunc bl2_entrypoint |