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[PULL 08/34] exec: Add block comments for watchpoint routines
From: |
Peter Maydell |
Subject: |
[PULL 08/34] exec: Add block comments for watchpoint routines |
Date: |
Mon, 11 May 2020 14:33:39 +0100 |
From: Richard Henderson <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <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 5bf94d28cff..07f76981550 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
- [PULL 00/34] target-arm queue, Peter Maydell, 2020/05/11
- [PULL 01/34] aspeed: Add boot stub for smp booting, Peter Maydell, 2020/05/11
- [PULL 02/34] target/arm: Drop access_el3_aa32ns_aa64any(), Peter Maydell, 2020/05/11
- [PULL 04/34] aspeed: sdmc: Implement AST2600 locking behaviour, Peter Maydell, 2020/05/11
- [PULL 03/34] aspeed: Support AST2600A1 silicon revision, Peter Maydell, 2020/05/11
- [PULL 05/34] hw/arm/nrf51: Add NRF51_PERIPHERAL_SIZE definition, Peter Maydell, 2020/05/11
- [PULL 06/34] hw/timer/nrf51_timer: Display timer ID in trace events, Peter Maydell, 2020/05/11
- [PULL 08/34] exec: Add block comments for watchpoint routines,
Peter Maydell <=
- [PULL 09/34] exec: Fix cpu_watchpoint_address_matches address length, Peter Maydell, 2020/05/11
- [PULL 10/34] accel/tcg: Add block comment for probe_access, Peter Maydell, 2020/05/11
- [PULL 11/34] accel/tcg: Adjust probe_access call to page_check_range, Peter Maydell, 2020/05/11
- [PULL 07/34] hw/timer/nrf51_timer: Add trace event of counter value update, Peter Maydell, 2020/05/11
- [PULL 13/34] accel/tcg: Add endian-specific cpu_{ld, st}* operations, Peter Maydell, 2020/05/11
- [PULL 15/34] target/arm: Drop manual handling of set/clear_helper_retaddr, Peter Maydell, 2020/05/11
- [PULL 14/34] target/arm: Use cpu_*_data_ra for sve_ldst_tlb_fn, Peter Maydell, 2020/05/11
- [PULL 16/34] target/arm: Add sve infrastructure for page lookup, Peter Maydell, 2020/05/11
- [PULL 18/34] target/arm: Use SVEContLdSt in sve_ld1_r, Peter Maydell, 2020/05/11
- [PULL 12/34] accel/tcg: Add probe_access_flags, Peter Maydell, 2020/05/11