diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2015-09-03 00:41:29 -0500 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2015-09-09 03:22:58 +0000 |
| commit | 3953e3947d375c0552abc45d47a120aaee67d763 (patch) | |
| tree | a5e5ca1f9c58ff5b89ff0fc4a32e054edbb6d1d1 /src/arch/x86/bootblock.S | |
| parent | 6c950da54ce2dff7b2874d774147572b95ae82f6 (diff) | |
x86: bootblock: remove linking and program flow from build system
The build system was previously determining the flow
and linking scripts bootblock code by the order of files
added to the bootblock_inc bootblock-y variables.Those
files were then concatenated together and built by a myriad of
make rules.
Now bootblock.S and bootblock.ld is added so that bootblock
can be built and linked using the default build rules.
CHIPSET_BOOTBLOCK_INCLUDE is introduced in order to allow the
chipset code to place include files in the path of the bootblock
program -- a replacement for the chipset_bootblock_inc
make variable.
BUG=chrome-os-partner:44827
BRANCH=None
TEST=Built vortex, rambi, and some asus boards.
Change-Id: Ida4571cbe6eed65e77ade98b8d9ad056353c53f9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11495
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/arch/x86/bootblock.S')
| -rw-r--r-- | src/arch/x86/bootblock.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/arch/x86/bootblock.S b/src/arch/x86/bootblock.S new file mode 100644 index 0000000000..7276c7a683 --- /dev/null +++ b/src/arch/x86/bootblock.S @@ -0,0 +1,51 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +/* This file assembles the bootblock program by the order of the includes. Thus, + * it's extremely important that one pays very careful attention to the order + * of the includes. */ + +#include <arch/x86/prologue.inc> +#include <cpu/x86/16bit/entry16.inc> +#include <cpu/x86/16bit/reset16.inc> +#include <cpu/x86/32bit/entry32.inc> +#include <arch/x86/id.inc> + +#if IS_ENABLED(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE) +#include <cpu/intel/fit/fit.inc> +#endif + +#ifdef CONFIG_CHIPSET_BOOTBLOCK_INCLUDE +#include CONFIG_CHIPSET_BOOTBLOCK_INCLUDE +#endif + +#if IS_ENABLED(CONFIG_SSE) +#include <cpu/x86/sse_enable.inc> +#endif + +/* + * This bootblock.inc file is generated by ROMCC. The above program flow + * falls through to this point. ROMCC assumes the last function it parsed + * is the main function and it places its instructions at the beginning of + * the generated file. Moreover, any library/common code needed in bootblock + * needs to come after bootblock.inc. + */ +#include <generated/bootblock.inc> + +#include <arch/x86/walkcbfs.S> |