Changeset 91d5ad6 in mainline for arch/ppc32/src/interrupt.c

Timestamp:

2006-03-15T00:55:05Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

286e03d

Parents:

d1e414c

Message:

ppc32: basic exception and interrupt handling

File:

• arch/ppc32/src/interrupt.c (moved) (moved from arch/ppc32/include/asm/spr.h ) (2 diffs)

arch/ppc32/src/interrupt.c

@@ -1 +1 @@
 /*
- * Copyright (C) 2006 Ondrej Palkovsky
+ * Copyright (C) 2006 Martin Decky
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-#ifndef __ppc32_SPR_H__
-#define __ppc32_SPR_H__
+#include <interrupt.h>
+#include <arch/interrupt.h>
+#include <arch/types.h>
+#include <arch.h>
+#include <time/clock.h>
+#include <print.h>
 
-#define MSR_IR (1 << 4)
-#define MSR_DR (1 << 5)
+static void exception_decrementer(int n, istate_t *istate)
+{
+        clock();
+}
 
-#define SPRN_SRR0  0x1a
-#define SPRN_SRR1  0x1b
 
-/* Works for PPC32 */
-#define L1_CACHE_BYTES (1 << 5)
-
-#endif
+/* Initialize basic tables for exception dispatching */
+void interrupt_init(void)
+{
+        exc_register(VECTOR_DECREMENTER, "timer", exception_decrementer);
+}