diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2013-04-24 16:12:52 -0500 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-05-01 07:06:12 +0200 |
| commit | a4feddf897023b37cfac2af529e787504849f985 (patch) | |
| tree | f902d7de90ddd9c1358d04295aa1afad3dfa113c /src/include | |
| parent | 7e35efa83cdd6240e4f9282cc4d2703c40d472d5 (diff) | |
boot state: schedule static callbacks
Many of the boot state callbacks can be scheduled at compile time.
Therefore, provide a way for a compilation unit to inform the
boot state machine when its callbacks should be called. Each C
module can export the callbacks and their scheduling requirements
without changing the shared boot flow code.
Change-Id: Ibc4cea4bd5ad45b2149c2d4aa91cbea652ed93ed
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/3133
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/bootstate.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/include/bootstate.h b/src/include/bootstate.h index a2eacfbb70..f28c07f17c 100644 --- a/src/include/bootstate.h +++ b/src/include/bootstate.h @@ -158,4 +158,25 @@ int boot_state_sched_on_exit(struct boot_state_callback *bscb, /* Entry into the boot state machine. */ void hardwaremain(int boot_complete); +/* In order to schedule boot state callbacks at compile-time specify the + * entries in an array using the BOOT_STATE_INIT_ENTRIES and + * BOOT_STATE_INIT_ENTRY macros below. */ +struct boot_state_init_entry { + boot_state_t state; + boot_state_sequence_t when; + struct boot_state_callback bscb; +}; + +#define BOOT_STATE_INIT_ATTR __attribute__ ((used,section (".bs_init"))) + +#define BOOT_STATE_INIT_ENTRIES(name_) \ + static struct boot_state_init_entry name_[] BOOT_STATE_INIT_ATTR + +#define BOOT_STATE_INIT_ENTRY(state_, when_, func_, arg_) \ + { \ + .state = state_, \ + .when = when_, \ + .bscb = BOOT_STATE_CALLBACK_INIT(func_, arg_), \ + } + #endif /* BOOTSTATE_H */ |