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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/m68k/coldfire/vectors.c
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/m68k/coldfire/vectors.c')
-rw-r--r--kernel/arch/m68k/coldfire/vectors.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/kernel/arch/m68k/coldfire/vectors.c b/kernel/arch/m68k/coldfire/vectors.c
new file mode 100644
index 000000000..08923fe60
--- /dev/null
+++ b/kernel/arch/m68k/coldfire/vectors.c
@@ -0,0 +1,70 @@
+/***************************************************************************/
+
+/*
+ * vectors.c -- high level trap setup for ColdFire
+ *
+ * Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com>
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfwdebug.h>
+
+/***************************************************************************/
+
+#ifdef TRAP_DBG_INTERRUPT
+
+asmlinkage void dbginterrupt_c(struct frame *fp)
+{
+ extern void dump(struct pt_regs *fp);
+ printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
+ dump((struct pt_regs *) fp);
+ asm("halt");
+}
+
+#endif
+
+/***************************************************************************/
+
+/* Assembler routines */
+asmlinkage void buserr(void);
+asmlinkage void trap(void);
+asmlinkage void system_call(void);
+asmlinkage void inthandler(void);
+
+void __init trap_init(void)
+{
+ int i;
+
+ /*
+ * There is a common trap handler and common interrupt
+ * handler that handle almost every vector. We treat
+ * the system call and bus error special, they get their
+ * own first level handlers.
+ */
+ for (i = 3; (i <= 23); i++)
+ _ramvec[i] = trap;
+ for (i = 33; (i <= 63); i++)
+ _ramvec[i] = trap;
+ for (i = 24; (i <= 31); i++)
+ _ramvec[i] = inthandler;
+ for (i = 64; (i < 255); i++)
+ _ramvec[i] = inthandler;
+ _ramvec[255] = 0;
+
+ _ramvec[2] = buserr;
+ _ramvec[32] = system_call;
+
+#ifdef TRAP_DBG_INTERRUPT
+ _ramvec[12] = dbginterrupt;
+#endif
+}
+
+/***************************************************************************/