diff options
Diffstat (limited to 'src/lib/decompressor.c')
-rw-r--r-- | src/lib/decompressor.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/lib/decompressor.c b/src/lib/decompressor.c new file mode 100644 index 0000000000..7a5bf3b289 --- /dev/null +++ b/src/lib/decompressor.c @@ -0,0 +1,70 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <bootblock_common.h> +#include <commonlib/compression.h> +#include <delay.h> +#include <program_loading.h> +#include <symbols.h> + +extern u8 compressed_bootblock[]; +asm ( + ".pushsection .data.compressed_bootblock,\"a\",@progbits\n\t" + ".type compressed_bootblock, %object\n\t" + ".balign 8\n" + "compressed_bootblock:\n\t" + ".incbin \"" __BUILD_DIR__ "/cbfs/" CONFIG_CBFS_PREFIX "/bootblock.lz4\"\n\t" + ".size compressed_bootblock, . - compressed_bootblock\n\t" + ".popsection\n\t" +); + +struct bootblock_arg arg = { + .base_timestamp = 0, + .num_timestamps = 2, + .timestamps = { + { .entry_id = TS_START_ULZ4F }, + { .entry_id = TS_END_ULZ4F }, + }, +}; + +struct prog prog_bootblock = { + .type = PROG_BOOTBLOCK, + .entry = (void *)_bootblock, + .arg = &arg, +}; + +__weak void decompressor_soc_init(void) { /* no-op */ } + +void main(void) +{ + init_timer(); + + if (IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS)) + arg.base_timestamp = timestamp_get(); + + decompressor_soc_init(); + + if (IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS)) + arg.timestamps[0].entry_stamp = timestamp_get(); + + size_t out_size = ulz4f(compressed_bootblock, _bootblock); + prog_segment_loaded((uintptr_t)_bootblock, out_size, SEG_FINAL); + + if (IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS)) + arg.timestamps[1].entry_stamp = timestamp_get(); + + prog_run(&prog_bootblock); +} |