From: "Marc-André Lureau" <marcandre.lureau@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Dr. David Alan Gilbert" <dave@treblig.org>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Philippe Mathieu-Daudé" <philmd@oss.qualcomm.com>,
"Zhao Liu" <zhao1.liu@intel.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Chinmay Rath" <rathc@linux.ibm.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Glenn Miles" <milesg@linux.ibm.com>,
"Harsh Prateek Bora" <harshpb@linux.ibm.com>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Alistair Francis" <alistair.francis@wdc.com>,
"Weiwei Li" <liwei1518@gmail.com>,
"Daniel Henrique Barboza" <daniel.barboza@oss.qualcomm.com>,
"Liu Zhiwei" <zhiwei_liu@linux.alibaba.com>,
"Chao Liu" <chao.liu@processmission.com>,
"Max Filippov" <jcmvbkbc@gmail.com>,
qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-riscv@nongnu.org,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Laurent Vivier" <laurent@vivier.eu>,
"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
"Artyom Tarasenko" <atar4qemu@gmail.com>,
"Helge Deller" <deller@gmx.de>,
"Pierrick Bouvier" <pierrick.bouvier@oss.qualcomm.com>,
"Warner Losh" <imp@bsdimp.com>, "Kyle Evans" <kevans@freebsd.org>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: [PATCH 00/10] monitor/hmp: replace MonitorDef with GDB registers
Date: Fri, 11 Sep 2026 16:27:23 +0400 [thread overview]
Message-ID: <20260911-query-reg-v1-0-0c04f0c02cf3@redhat.com> (raw)
Hi,
HMP monitor supports printing $register expression. The lookup
was done via GDB stub registers, and supplementary MonitorDef
HMP-specific tables.
Migrate HMP registers to use the GDB infrastructure and remove the
legacy HMP MonitorDef. Use a "qemu-debug" register group, as they are
aliases or synthetic registers, but gdb doesn't seem to care.
Known behavioural changes on RISC-V: CSR lookup is now case-sensitive
and vector registers now report "unkown register" instead of a
target-specific message ("Unable to print the value of vector vreg 'v0'
from this API")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
Marc-André Lureau (10):
hmp: don't crash on invalid register
gdbstub: fix next register base after register gaps
gdbstub: set feature->base_reg for dynamic features
target/i386: expose segment limits via GDB
monitor/hmp: add CPUClass::get_pc fallback for HMP $pc
target/m68k: expose system registers via GDB
target/sparc64: expose system registers via GDB
target/riscv: bypass smstateen check in debugger mode
target/riscv: expose register aliases via GDB
monitor/hmp: remove legacy MonitorDef infrastructure
configs/targets/i386-softmmu.mak | 2 +-
configs/targets/m68k-softmmu.mak | 2 +-
configs/targets/riscv32-linux-user.mak | 2 +-
configs/targets/riscv32-softmmu.mak | 2 +-
configs/targets/riscv64-bsd-user.mak | 2 +-
configs/targets/riscv64-linux-user.mak | 2 +-
configs/targets/riscv64-softmmu.mak | 2 +-
configs/targets/sparc64-softmmu.mak | 2 +-
configs/targets/x86_64-softmmu.mak | 2 +-
gdbstub/gdb-xml/i386-segments.xml | 14 +++
gdbstub/gdb-xml/m68k-system.xml | 32 +++++++
gdbstub/gdb-xml/riscv-32bit-alias.xml | 105 ++++++++++++++++++++++
gdbstub/gdb-xml/riscv-32bit-fpu-alias.xml | 40 +++++++++
gdbstub/gdb-xml/riscv-64bit-alias.xml | 105 ++++++++++++++++++++++
gdbstub/gdb-xml/riscv-64bit-fpu-alias.xml | 46 ++++++++++
gdbstub/gdb-xml/sparc64-system.xml | 22 +++++
gdbstub/gdbstub.c | 14 +--
include/hw/core/cpu.h | 2 +-
include/hw/core/sysemu-cpu-ops.h | 16 ----
include/monitor/hmp.h | 6 --
include/qemu/typedefs.h | 1 -
monitor/hmp.c | 52 ++---------
target/arm/gdbstub.c | 8 +-
target/arm/gdbstub64.c | 10 ++-
target/i386/cpu.c | 32 -------
target/i386/gdbstub.c | 24 +++++
target/m68k/cpu.c | 22 -----
target/m68k/helper.c | 47 ++++++++++
target/ppc/gdbstub.c | 2 +-
target/riscv/cpu.c | 1 -
target/riscv/gdbstub.c | 52 ++++++++++-
target/riscv/internals.h | 3 -
target/riscv/monitor.c | 140 ------------------------------
target/riscv/tcg/csr.c | 3 +-
target/sparc/cpu.c | 19 ----
target/sparc/gdbstub.c | 38 ++++++++
target/xtensa/cpu.c | 2 +-
37 files changed, 562 insertions(+), 314 deletions(-)
---
base-commit: 209b2afaface001c7d4d981e38f186afe7b24a50
change-id: 20260910-query-reg-80cd59cf4707
Best regards,
--
Marc-André Lureau <marcandre.lureau@redhat.com>
next reply other threads:[~2026-09-11 12:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-11 12:27 Marc-André Lureau [this message]
2026-09-11 12:27 ` [PATCH 01/10] hmp: don't crash on invalid register Marc-André Lureau
2026-09-11 12:27 ` [PATCH 02/10] gdbstub: fix next register base after register gaps Marc-André Lureau
2026-09-11 15:29 ` Alex Bennée
2026-09-11 12:27 ` [PATCH 03/10] gdbstub: set feature->base_reg for dynamic features Marc-André Lureau
2026-09-11 12:27 ` [PATCH 04/10] target/i386: expose segment limits via GDB Marc-André Lureau
2026-09-11 12:27 ` [PATCH 05/10] monitor/hmp: add CPUClass::get_pc fallback for HMP $pc Marc-André Lureau
2026-09-11 12:27 ` [PATCH 06/10] target/m68k: expose system registers via GDB Marc-André Lureau
2026-09-11 12:27 ` [PATCH 07/10] target/sparc64: " Marc-André Lureau
2026-09-11 12:27 ` [PATCH 08/10] target/riscv: bypass smstateen check in debugger mode Marc-André Lureau
2026-09-11 12:27 ` [PATCH 09/10] target/riscv: expose register aliases via GDB Marc-André Lureau
2026-09-11 12:27 ` [PATCH 10/10] monitor/hmp: remove legacy MonitorDef infrastructure Marc-André Lureau
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