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authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-12-18 10:36:33 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-12-31 09:51:50 +0100
commitbae775a4f43449e79622ed144118554ff780744a (patch)
treede6094464d801f18c33bb6e929ee9afef0cfce82 /src/include
parenta91e1e6cc18b3d510a8dd5e3b2c7bdbba3299369 (diff)
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')
-rw-r--r--src/include/cpu/x86/gdt.h34
-rw-r--r--src/include/lib.h3
2 files changed, 34 insertions, 3 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 */
diff --git a/src/include/lib.h b/src/include/lib.h
index 8f02004bff..772a66f317 100644
--- a/src/include/lib.h
+++ b/src/include/lib.h
@@ -33,9 +33,6 @@ unsigned long log2_ceil(unsigned long x);
/* Defined in src/lib/lzma.c */
unsigned long ulzma(unsigned char *src, unsigned char *dst);
-/* Defined in src/arch/x86/boot/gdt.c */
-void move_gdt(void);
-
/* Defined in src/lib/ramtest.c */
void ram_check(unsigned long start, unsigned long stop);
int ram_check_nodie(unsigned long start, unsigned long stop);