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authorStefan Reinauer <reinauer@chromium.org>2012-11-30 12:34:04 -0800
committerRonald G. Minnich <rminnich@gmail.com>2012-11-30 23:59:58 +0100
commit8d7115560d469f901d7d8ccb242d0b437e7394aa (patch)
tree0f1b4bd63c48a233c49d5a9ca15f08a1675d1ff4 /src/device/oprom/realmode/x86.h
parent4b6be985aae8bff84ae442e7be7669e93694fa1e (diff)
Rename devices -> device
to match src/include/device Change-Id: I5d0e5b4361c34881a3b81347aac48738cb5b9af0 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1960 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'src/device/oprom/realmode/x86.h')
-rw-r--r--src/device/oprom/realmode/x86.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/device/oprom/realmode/x86.h b/src/device/oprom/realmode/x86.h
new file mode 100644
index 0000000000..7dfa60f996
--- /dev/null
+++ b/src/device/oprom/realmode/x86.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2009-2010 coresystems GmbH
+ *
+ * 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.
+ */
+
+#define REALMODE_BASE ((void *)0x600)
+
+struct realmode_idt {
+ u16 offset, cs;
+};
+
+void x86_exception(struct eregs *info);
+
+/* From x86_asm.S */
+extern unsigned char __idt_handler, __idt_handler_size;
+extern unsigned char __realmode_code, __realmode_code_size;
+extern unsigned char __realmode_call, __realmode_interrupt;
+extern unsigned char __buffer;
+
+extern void (*realmode_call)(u32 addr, u32 eax, u32 ebx, u32 ecx, u32 edx,
+ u32 esi, u32 edi) __attribute__((regparm(0)));
+
+extern void (*realmode_interrupt)(u32 intno, u32 eax, u32 ebx, u32 ecx, u32 edx,
+ u32 esi, u32 edi) __attribute__((regparm(0)));
+
+#define FAKE_MEMORY_SIZE (1024*1024) // only 1MB
+#define INITIAL_EBDA_SEGMENT 0xF600
+#define INITIAL_EBDA_SIZE 0x400
+
+int int10_handler(void);
+int int12_handler(void);
+int int16_handler(void);
+int int1a_handler(void);
+