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[PATCH v3 01/18] exec: Add block comments for watchpoint routines


From: Richard Henderson
Subject: [PATCH v3 01/18] exec: Add block comments for watchpoint routines
Date: Tue, 21 Apr 2020 21:32:52 -0700

Signed-off-by: Richard Henderson <address@hidden>
---
 include/hw/core/cpu.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 5bf94d28cf..07f7698155 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -1100,8 +1100,31 @@ int cpu_watchpoint_remove(CPUState *cpu, vaddr addr,
                           vaddr len, int flags);
 void cpu_watchpoint_remove_by_ref(CPUState *cpu, CPUWatchpoint *watchpoint);
 void cpu_watchpoint_remove_all(CPUState *cpu, int mask);
+
+/**
+ * cpu_check_watchpoint:
+ * @cpu: cpu context
+ * @addr: guest virtual address
+ * @len: access length
+ * @attrs: memory access attributes
+ * @flags: watchpoint access type
+ * @ra: unwind return address
+ *
+ * Check for a watchpoint hit in [addr, addr+len) of the type
+ * specified by @flags.  Exit via exception with a hit.
+ */
 void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len,
                           MemTxAttrs attrs, int flags, uintptr_t ra);
+
+/**
+ * cpu_watchpoint_address_matches:
+ * @cpu: cpu context
+ * @addr: guest virtual address
+ * @len: access length
+ *
+ * Return the watchpoint flags that apply to [addr, addr+len).
+ * If no watchpoint is registered for the range, the result is 0.
+ */
 int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len);
 #endif
 
-- 
2.20.1




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