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authorFrancesco Cagnin <fcagnin@quarkslab.com>2023-06-06 10:19:30 +0100
committerPeter Maydell <peter.maydell@linaro.org>2023-06-06 10:19:30 +0100
commitf41520402c3a917c378ad166c2c76feb64608b09 (patch)
tree48d405858899ae3568b420f894d832e730ecff12 /include
parentce799a04b2987e54a3f29b2139c9610ac8c467c9 (diff)
downloadfocaccia-qemu-f41520402c3a917c378ad166c2c76feb64608b09.tar.gz
focaccia-qemu-f41520402c3a917c378ad166c2c76feb64608b09.zip
hvf: add breakpoint handlers
Required for guest debugging. The code has been structured like the KVM
counterpart.

Signed-off-by: Francesco Cagnin <fcagnin@quarkslab.com>
Message-id: 20230601153107.81955-4-fcagnin@quarkslab.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/sysemu/hvf.h22
-rw-r--r--include/sysemu/hvf_int.h1
2 files changed, 23 insertions, 0 deletions
diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h
index bb70082e45..386020a29c 100644
--- a/include/sysemu/hvf.h
+++ b/include/sysemu/hvf.h
@@ -17,6 +17,7 @@
 #include "qom/object.h"
 
 #ifdef NEED_CPU_H
+#include "cpu.h"
 
 #ifdef CONFIG_HVF
 uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx,
@@ -36,4 +37,25 @@ typedef struct HVFState HVFState;
 DECLARE_INSTANCE_CHECKER(HVFState, HVF_STATE,
                          TYPE_HVF_ACCEL)
 
+#ifdef NEED_CPU_H
+struct hvf_sw_breakpoint {
+    target_ulong pc;
+    target_ulong saved_insn;
+    int use_count;
+    QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
+};
+
+struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu,
+                                                 target_ulong pc);
+int hvf_sw_breakpoints_active(CPUState *cpu);
+
+int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
+int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
+int hvf_arch_insert_hw_breakpoint(target_ulong addr, target_ulong len,
+                                  int type);
+int hvf_arch_remove_hw_breakpoint(target_ulong addr, target_ulong len,
+                                  int type);
+void hvf_arch_remove_all_hw_breakpoints(void);
+#endif /* NEED_CPU_H */
+
 #endif
diff --git a/include/sysemu/hvf_int.h b/include/sysemu/hvf_int.h
index 6545f7cd61..3592239fdc 100644
--- a/include/sysemu/hvf_int.h
+++ b/include/sysemu/hvf_int.h
@@ -45,6 +45,7 @@ struct HVFState {
 
     hvf_vcpu_caps *hvf_caps;
     uint64_t vtimer_offset;
+    QTAILQ_HEAD(, hvf_sw_breakpoint) hvf_sw_breakpoints;
 };
 extern HVFState *hvf_state;