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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-12-18 10:36:33 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-12-31 09:51:50 +0100 |
| commit | bae775a4f43449e79622ed144118554ff780744a (patch) | |
| tree | de6094464d801f18c33bb6e929ee9afef0cfce82 /src/include/cpu/x86 | |
| parent | a91e1e6cc18b3d510a8dd5e3b2c7bdbba3299369 (diff) | |
| download | coreboot-bae775a4f43449e79622ed144118554ff780744a.tar.xz | |
arch/x86: Declare GDT symbols and move_gdt()
We relocate GDT to CBMEM, this can be done late in ramstage.
Note: We currently do this for BSP CPU only.
Change-Id: I626faaf22f846433f25ca2253d6a2a5230f50b6b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7858
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src/include/cpu/x86')
| -rw-r--r-- | src/include/cpu/x86/gdt.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/include/cpu/x86/gdt.h b/src/include/cpu/x86/gdt.h new file mode 100644 index 0000000000..260b158d1f --- /dev/null +++ b/src/include/cpu/x86/gdt.h @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_X86_GDT +#define CPU_X86_GDT + +/* These symbols are defined in c_start.S. */ +extern char gdt[]; +extern char gdt_end[]; +extern char idtarg[]; + +/* These symbols are defined in secondary.S. */ +extern char _secondary_gdt_addr[]; +extern char _secondary_start[]; +extern char _secondary_start_end[]; + +/* Defined in src/arch/x86/boot/gdt.c */ +void move_gdt(void); + +#endif /* CPU_X86_GDT */ |