| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <arch/exception.h> |
| #include <bootblock_common.h> |
| #include <console/console.h> |
| #include <delay.h> |
| #include <option.h> |
| #include <post.h> |
| #include <program_loading.h> |
| #include <symbols.h> |
| #include <timestamp.h> |
| |
| DECLARE_OPTIONAL_REGION(timestamp); |
| |
| __weak void bootblock_mainboard_early_init(void) { /* no-op */ } |
| __weak void bootblock_soc_early_init(void) { /* do nothing */ } |
| __weak void bootblock_soc_init(void) { /* do nothing */ } |
| __weak void bootblock_mainboard_init(void) { /* do nothing */ } |
| |
| /* |
| * This is a the same as the bootblock main(), with the difference that it does |
| * not collect a timestamp. Instead it accepts the initial timestamp and |
| * possibly additional timestamp entries as arguments. This can be used in cases |
| * where earlier stamps are available. Note that this function is designed to be |
| * entered from C code. This function assumes that the timer has already been |
| * initialized, so it does not call init_timer(). |
| */ |
| static void bootblock_main_with_timestamp(uint64_t base_timestamp, |
| struct timestamp_entry *timestamps, size_t num_timestamps) |
| { |
| /* Initialize timestamps if we have TIMESTAMP region in memlayout.ld. */ |
| if (CONFIG(COLLECT_TIMESTAMPS) && |
| REGION_SIZE(timestamp) > 0) { |
| int i; |
| timestamp_init(base_timestamp); |
| for (i = 0; i < num_timestamps; i++) |
| timestamp_add(timestamps[i].entry_id, |
| timestamps[i].entry_stamp); |
| } |
| |
| timestamp_add_now(TS_START_BOOTBLOCK); |
| |
| bootblock_soc_early_init(); |
| bootblock_mainboard_early_init(); |
| |
| if (CONFIG(USE_OPTION_TABLE)) |
| sanitize_cmos(); |
| |
| if (CONFIG(CMOS_POST)) |
| cmos_post_init(); |
| |
| if (CONFIG(BOOTBLOCK_CONSOLE)) { |
| console_init(); |
| exception_init(); |
| } |
| |
| bootblock_soc_init(); |
| bootblock_mainboard_init(); |
| |
| timestamp_add_now(TS_END_BOOTBLOCK); |
| |
| run_romstage(); |
| } |
| |
| void bootblock_main_with_basetime(uint64_t base_timestamp) |
| { |
| bootblock_main_with_timestamp(base_timestamp, NULL, 0); |
| } |
| |
| void main(void) |
| { |
| uint64_t base_timestamp = 0; |
| |
| init_timer(); |
| |
| if (CONFIG(COLLECT_TIMESTAMPS)) |
| base_timestamp = timestamp_get(); |
| |
| bootblock_main_with_timestamp(base_timestamp, NULL, 0); |
| } |
| |
| #if CONFIG(COMPRESS_BOOTBLOCK) |
| /* |
| * This is the bootblock entry point when it is run after a decompressor stage. |
| * For non-decompressor builds, _start is generally defined in architecture- |
| * specific assembly code. In decompressor builds that architecture |
| * initialization code already ran in the decompressor, so the bootblock can |
| * start straight into common code with a C environment. |
| */ |
| void _start(struct bootblock_arg *arg); |
| void _start(struct bootblock_arg *arg) |
| { |
| bootblock_main_with_timestamp(arg->base_timestamp, arg->timestamps, |
| arg->num_timestamps); |
| } |
| |
| #endif |