[Xen-devel] [PATCH] arm: handy macro to force a break point in the Fast Model.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/include/asm-arm/debugger.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/xen/include/asm-arm/debugger.h b/xen/include/asm-arm/debugger.h
index 452613a..8c6f527 100644
--- a/xen/include/asm-arm/debugger.h
+++ b/xen/include/asm-arm/debugger.h
@@ -4,6 +4,13 @@
 #define debugger_trap_fatal(v, r) ((void) 0)
 #define debugger_trap_immediate() ((void) 0)
 
+/* Trigger a break point in the fast model... */
+#define MODEL_BKPT() asm volatile(\
+       "mov r0, #0x18;\n /* angel_SWIreason_ReportException */\n"\
+       "mov r1, #0x20000;/* 0x20020= ADP_Stopped_BreakPoint */\n"\
+       "orr r1, r1, #0x20;\n"\
+       "swi 0x123456;\n" ::: "r0", "r1")
+
 #endif /* __ARM_DEBUGGER_H__ */
 /*
  * Local variables:
-- 
1.7.9.1


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