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[Qemu-devel] [PATCH 1/3] define name for some fields of dr7


From: liguang
Subject: [Qemu-devel] [PATCH 1/3] define name for some fields of dr7
Date: Thu, 29 Nov 2012 11:32:49 +0800

Signed-off-by: liguang <address@hidden>
---
 target-i386/cpu.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 90ef1ff..7f292e6 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -558,6 +558,19 @@
 #define CPU_INTERRUPT_TPR       CPU_INTERRUPT_TGT_INT_3
 
 
+/* dr7 fields */
+/* max breakpoints*/
+#define MAX_BP      4
+/* Break on instruction execution only */
+#define BP_INST     0x0
+/* Break on data writes only */
+#define BP_DATA_WR  0x1
+/* Break on I/O reads or writes */
+#define BP_IO_RW    0x10
+/* Break on data reads or writes but not instruction fetches */
+#define BP_DATA_RW  0x11
+
+
 enum {
     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
     CC_OP_EFLAGS,  /* all cc are explicitly computed, CC_SRC = flags */
-- 
1.7.2.5




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