[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 10/34] accel/tcg: Add block comment for probe_access
From: |
Peter Maydell |
Subject: |
[PULL 10/34] accel/tcg: Add block comment for probe_access |
Date: |
Mon, 11 May 2020 14:33:41 +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/exec/exec-all.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 350c4b451be..d656a1f05c0 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -330,6 +330,23 @@ static inline void
tlb_flush_by_mmuidx_all_cpus_synced(CPUState *cpu,
{
}
#endif
+/**
+ * probe_access:
+ * @env: CPUArchState
+ * @addr: guest virtual address to look up
+ * @size: size of the access
+ * @access_type: read, write or execute permission
+ * @mmu_idx: MMU index to use for lookup
+ * @retaddr: return address for unwinding
+ *
+ * Look up the guest virtual address @addr. Raise an exception if the
+ * page does not satisfy @access_type. Raise an exception if the
+ * access (@addr, @size) hits a watchpoint. For writes, mark a clean
+ * page as dirty.
+ *
+ * Finally, return the host address for a page that is backed by RAM,
+ * or NULL if the page requires I/O.
+ */
void *probe_access(CPUArchState *env, target_ulong addr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr);
--
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, 2020/05/11
- [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 <=
- [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
- [PULL 17/34] target/arm: Adjust interface of sve_ld1_host_fn, Peter Maydell, 2020/05/11
- [PULL 19/34] target/arm: Handle watchpoints in sve_ld1_r, Peter Maydell, 2020/05/11