diff options
| author | Roberto Vargas <roberto.vargas@arm.com> | 2017-09-26 12:53:01 +0100 |
|---|---|---|
| committer | Roberto Vargas <roberto.vargas@arm.com> | 2017-10-24 14:04:41 +0100 |
| commit | 01f62b6d0d90a236cbfdf385aab7ec2ac11f2e65 (patch) | |
| tree | 573a4998620b283963ecd60536df569f0b988759 /plat/common | |
| parent | 3b39efa49d9949c80b6e76b99829f84619b46110 (diff) | |
Add platform hooks for boot redundancy support
These hooks are intended to allow one platform to try load
images from alternative places. There is a hook to initialize
the sequence of boot locations and a hook to pass to the next
sequence.
Change-Id: Ia0f84c415208dc4fa4f9d060d58476db23efa5b2
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
Diffstat (limited to 'plat/common')
| -rw-r--r-- | plat/common/aarch32/platform_helpers.S | 22 | ||||
| -rw-r--r-- | plat/common/aarch64/platform_helpers.S | 21 |
2 files changed, 43 insertions, 0 deletions
diff --git a/plat/common/aarch32/platform_helpers.S b/plat/common/aarch32/platform_helpers.S index b5f41ffb..61d21ab3 100644 --- a/plat/common/aarch32/platform_helpers.S +++ b/plat/common/aarch32/platform_helpers.S @@ -14,6 +14,8 @@ .weak plat_disable_acp .weak platform_mem_init .weak plat_panic_handler + .weak bl2_plat_preload_setup + .weak plat_try_next_boot_source /* ----------------------------------------------------- * Placeholder function which should be redefined by @@ -79,3 +81,23 @@ endfunc platform_mem_init func plat_panic_handler b plat_panic_handler endfunc plat_panic_handler + + + /* ----------------------------------------------------- + * Placeholder function which should be redefined by + * each platfrom. + * ----------------------------------------------------- + */ +func bl2_plat_preload_setup + bx lr +endfunc bl2_plat_preload_setup + + /* ----------------------------------------------------- + * Placeholder function which should be redefined by + * each platfrom. + * ----------------------------------------------------- + */ +func plat_try_next_boot_source + mov r0, #0 + bx lr +endfunc plat_try_next_boot_source diff --git a/plat/common/aarch64/platform_helpers.S b/plat/common/aarch64/platform_helpers.S index e60db201..797a9363 100644 --- a/plat/common/aarch64/platform_helpers.S +++ b/plat/common/aarch64/platform_helpers.S @@ -17,6 +17,8 @@ .weak bl1_plat_prepare_exit .weak plat_error_handler .weak plat_panic_handler + .weak bl2_plat_preload_setup + .weak plat_try_next_boot_source #if !ENABLE_PLAT_COMPAT .globl platform_get_core_pos @@ -129,3 +131,22 @@ func plat_panic_handler wfi b plat_panic_handler endfunc plat_panic_handler + + /* ----------------------------------------------------- + * Placeholder function which should be redefined by + * each platfrom. + * ----------------------------------------------------- + */ +func bl2_plat_preload_setup + ret +endfunc bl2_plat_preload_setup + + /* ----------------------------------------------------- + * Placeholder function which should be redefined by + * each platfrom. + * ----------------------------------------------------- + */ +func plat_try_next_boot_source + mov x0, #0 + ret +endfunc plat_try_next_boot_source |