From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org
Subject: [PATCH v3 01/18] exec: Add block comments for watchpoint routines
Date: Tue, 21 Apr 2020 21:32:52 -0700 [thread overview]
Message-ID: <20200422043309.18430-2-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200422043309.18430-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
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
next prev parent reply other threads:[~2020-04-22 4:34 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 4:32 [PATCH v3 00/18] target/arm: sve load/store improvements Richard Henderson
2020-04-22 4:32 ` Richard Henderson [this message]
2020-04-27 9:27 ` [PATCH v3 01/18] exec: Add block comments for watchpoint routines Peter Maydell
2020-04-22 4:32 ` [PATCH v3 02/18] exec: Fix cpu_watchpoint_address_matches address length Richard Henderson
2020-04-27 9:28 ` Peter Maydell
2020-04-22 4:32 ` [PATCH v3 03/18] accel/tcg: Add block comment for probe_access Richard Henderson
2020-04-22 4:32 ` [PATCH v3 04/18] accel/tcg: Add probe_access_flags Richard Henderson
2020-04-27 10:48 ` Peter Maydell
2020-04-27 16:00 ` Richard Henderson
2020-05-04 9:39 ` Peter Maydell
2020-04-22 4:32 ` [PATCH v3 05/18] accel/tcg: Add endian-specific cpu_{ld, st}* operations Richard Henderson
2020-04-27 9:46 ` Peter Maydell
2020-04-22 4:32 ` [PATCH v3 06/18] target/arm: Use cpu_*_data_ra for sve_ldst_tlb_fn Richard Henderson
2020-04-27 10:51 ` Peter Maydell
2020-04-22 4:32 ` [PATCH v3 07/18] target/arm: Drop manual handling of set/clear_helper_retaddr Richard Henderson
2020-04-22 4:32 ` [PATCH v3 08/18] target/arm: Add sve infrastructure for page lookup Richard Henderson
2020-04-27 11:00 ` Peter Maydell
2020-04-22 4:33 ` [PATCH v3 09/18] target/arm: Adjust interface of sve_ld1_host_fn Richard Henderson
2020-04-22 4:33 ` [PATCH v3 10/18] target/arm: Use SVEContLdSt in sve_ld1_r Richard Henderson
2020-04-22 4:33 ` [PATCH v3 11/18] target/arm: Handle watchpoints " Richard Henderson
2020-04-22 4:33 ` [PATCH v3 12/18] target/arm: Use SVEContLdSt for multi-register contiguous loads Richard Henderson
2020-04-22 4:33 ` [PATCH v3 13/18] target/arm: Update contiguous first-fault and no-fault loads Richard Henderson
2020-04-27 11:03 ` Peter Maydell
2020-04-27 16:16 ` Richard Henderson
2020-04-27 16:32 ` Peter Maydell
2020-04-27 16:45 ` Richard Henderson
2020-04-27 18:38 ` Peter Maydell
2020-04-28 15:02 ` Richard Henderson
2020-04-22 4:33 ` [PATCH v3 14/18] target/arm: Use SVEContLdSt for contiguous stores Richard Henderson
2020-04-22 4:33 ` [PATCH v3 15/18] target/arm: Reuse sve_probe_page for gather first-fault loads Richard Henderson
2020-04-22 4:33 ` [PATCH v3 16/18] target/arm: Reuse sve_probe_page for scatter stores Richard Henderson
2020-04-22 4:33 ` [PATCH v3 17/18] target/arm: Reuse sve_probe_page for gather loads Richard Henderson
2020-04-22 4:33 ` [PATCH v3 18/18] target/arm: Remove sve_memopidx Richard Henderson
2020-04-22 5:37 ` [PATCH v3 00/18] target/arm: sve load/store improvements no-reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200422043309.18430-2-richard.henderson@linaro.org \
--to=richard.henderson@linaro.org \
--cc=peter.maydell@linaro.org \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).