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authorRalf Baechle <ralf@linux-mips.org>2005-09-03 15:56:11 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:04 -0700
commit07119621e62de0a2c8db6e4896e762c498bfdd17 (patch)
treec62dd52e8072235c8148e7f31b16ed30c5e45343 /include/asm-mips/qemu.h
parent7901c7998267d9d8c3f1b226a8c8cfd7f8e48a01 (diff)
[PATCH] mips: add support for Qemu system architecture
Add support for the virtual MIPS system that is emulated by Qemu. See http://www.linux-mips.org/wiki/Qemu for a detailed current status. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-mips/qemu.h')
-rw-r--r--include/asm-mips/qemu.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-mips/qemu.h b/include/asm-mips/qemu.h
new file mode 100644
index 00000000000..905c3958590
--- /dev/null
+++ b/include/asm-mips/qemu.h
@@ -0,0 +1,24 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2005 by Ralf Baechle (ralf@linux-mips.org)
+ */
+#ifndef __ASM_QEMU_H
+#define __ASM_QEMU_H
+
+/*
+ * Interrupt numbers
+ */
+#define Q_PIC_IRQ_BASE 0
+#define Q_COUNT_COMPARE_IRQ 16
+
+/*
+ * Qemu clock rate. Unlike on real MIPS this has no relation to the
+ * instruction issue rate, so the choosen value is pure fiction, just needs
+ * to match the value in Qemu itself.
+ */
+#define QEMU_C0_COUNTER_CLOCK 100000000
+
+#endif /* __ASM_QEMU_H */