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[Qemu-devel] [PATCH v4 2/3] target-i386:define hw_{global, local}breakp
From: |
liguang |
Subject: |
[Qemu-devel] [PATCH v4 2/3] target-i386:define hw_{global, local}breakpoint_enabled function |
Date: |
Mon, 10 Dec 2012 10:22:23 +0800 |
Signed-off-by: liguang <address@hidden>
---
target-i386/cpu.h | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 29245d1..c69f81f 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -996,9 +996,20 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env,
target_ulong addr,
#define cpu_handle_mmu_fault cpu_x86_handle_mmu_fault
void cpu_x86_set_a20(CPUX86State *env, int a20_state);
-static inline int hw_breakpoint_enabled(unsigned long dr7, int index)
+static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index)
{
- return (dr7 >> (index * 2)) & 3;
+ return ((dr7 >> (index * 2)) & 1);
+}
+
+static inline bool hw_global_breakpoint_enabled(unsigned long dr7, int index)
+{
+ return ((dr7 >> (index * 2)) & 2);
+}
+
+static inline bool hw_breakpoint_enabled(unsigned long dr7, int index)
+{
+ return (hw_global_breakpoint_enabled(dr7, index) ||
+ hw_local_breakpoint_enabled(dr7, index));
}
static inline int hw_breakpoint_type(unsigned long dr7, int index)
--
1.7.2.5