[Xen-devel] [PATCH 27/45] xen: arm: move arm32 specific trap handlers to xen/arch/arm/arm32

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/arm32/Makefile     |    3 +-
 xen/arch/arm/arm32/traps.c      |   53 +++++++++++++++++++++++++++++++++++++++
 xen/arch/arm/traps.c            |   22 +---------------
 xen/include/asm-arm/processor.h |    2 +
 4 files changed, 58 insertions(+), 22 deletions(-)
 create mode 100644 xen/arch/arm/arm32/traps.c

diff --git a/xen/arch/arm/arm32/Makefile b/xen/arch/arm/arm32/Makefile
index 29898ae..1ad3364 100644
--- a/xen/arch/arm/arm32/Makefile
+++ b/xen/arch/arm/arm32/Makefile
@@ -4,4 +4,5 @@ obj-y += entry.o
 obj-y += mode_switch.o
 obj-y += proc-ca15.o
 
-obj-y += domain.o
+obj-y += traps.o
+obj-y += domain.o
\ No newline at end of file
diff --git a/xen/arch/arm/arm32/traps.c b/xen/arch/arm/arm32/traps.c
new file mode 100644
index 0000000..a93c2f7
--- /dev/null
+++ b/xen/arch/arm/arm32/traps.c
@@ -0,0 +1,53 @@
+/*
+ * xen/arch/arm/arm32/traps.c
+ *
+ * ARM AArch32 Specific Trap handlers
+ *
+ * Copyright (c) 2012 Citrix Systems.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <xen/config.h>
+#include <xen/lib.h>
+
+#include <public/xen.h>
+
+#include <asm/processor.h>
+
+asmlinkage void do_trap_undefined_instruction(struct cpu_user_regs *regs)
+{
+    do_unexpected_trap("Undefined Instruction", regs);
+}
+
+asmlinkage void do_trap_supervisor_call(struct cpu_user_regs *regs)
+{
+    do_unexpected_trap("Supervisor Call", regs);
+}
+
+asmlinkage void do_trap_prefetch_abort(struct cpu_user_regs *regs)
+{
+    do_unexpected_trap("Prefetch Abort", regs);
+}
+
+asmlinkage void do_trap_data_abort(struct cpu_user_regs *regs)
+{
+    do_unexpected_trap("Data Abort", regs);
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index b9282b0..5fb75e9 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -428,33 +428,13 @@ void vcpu_show_execution_state(struct vcpu *v)
     vcpu_unpause(v);
 }
 
-static void do_unexpected_trap(const char *msg, struct cpu_user_regs *regs)
+void do_unexpected_trap(const char *msg, struct cpu_user_regs *regs)
 {
     printk("Unexpected Trap: %s\n", msg);
     show_execution_state(regs);
     while(1);
 }
 
-asmlinkage void do_trap_undefined_instruction(struct cpu_user_regs *regs)
-{
-    do_unexpected_trap("Undefined Instruction", regs);
-}
-
-asmlinkage void do_trap_supervisor_call(struct cpu_user_regs *regs)
-{
-    do_unexpected_trap("Supervisor Call", regs);
-}
-
-asmlinkage void do_trap_prefetch_abort(struct cpu_user_regs *regs)
-{
-    do_unexpected_trap("Prefetch Abort", regs);
-}
-
-asmlinkage void do_trap_data_abort(struct cpu_user_regs *regs)
-{
-    do_unexpected_trap("Data Abort", regs);
-}
-
 unsigned long do_arch_0(unsigned int cmd, unsigned long long value)
 {
         printk("do_arch_0 cmd=%x arg=%llx\n", cmd, value);
diff --git a/xen/include/asm-arm/processor.h b/xen/include/asm-arm/processor.h
index 230c901..bd473a8 100644
--- a/xen/include/asm-arm/processor.h
+++ b/xen/include/asm-arm/processor.h
@@ -253,6 +253,8 @@ void show_registers(struct cpu_user_regs *regs);
 #define cpu_to_core(_cpu)   (0)
 #define cpu_to_socket(_cpu) (0)
 
+void do_unexpected_trap(const char *msg, struct cpu_user_regs *regs);
+
 void vcpu_regs_hyp_to_user(const struct vcpu *vcpu,
                            struct vcpu_guest_core_regs *regs);
 void vcpu_regs_user_to_hyp(struct vcpu *vcpu,
-- 
1.7.2.5


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