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c938157713
qemu/include/hw/core
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Philippe Mathieu-Daudé 87e303de70 softmmu: Restore use of CPU watchpoint for all accelerators 
CPU watchpoints can be use by non-TCG accelerators.

KVM uses them:

  $ git grep CPUWatchpoint|fgrep kvm
  target/arm/kvm64.c:1558:        CPUWatchpoint *wp = find_hw_watchpoint(cs, debug_exit->far);
  target/i386/kvm/kvm.c:5216:static CPUWatchpoint hw_watchpoint;
  target/ppc/kvm.c:443:static CPUWatchpoint hw_watchpoint;
  target/s390x/kvm/kvm.c:139:static CPUWatchpoint hw_watchpoint;

See for example commit e4482ab7e3 ("target-arm: kvm - add support
for HW assisted debug"):

     This adds basic support for HW assisted debug. The ioctl interface
     to KVM allows us to pass an implementation defined number of break
     and watch point registers. [...]

This partially reverts commit 2609ec2868.

Fixes: 2609ec2868 ("softmmu: Extract watchpoint API from physmem.c")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230328173117.15226-4-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-28 15:24:06 -07:00
..
accel-cpu.h accel-cpu: make cpu_realizefn return a bool 2021-05-10 15:41:50 -04:00
cpu.h softmmu: Restore use of CPU watchpoint for all accelerators 2023-03-28 15:24:06 -07:00
generic-loader.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
split-irq.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
sysbus-fdt.h hw/core: Move the ARM sysbus-fdt to core 2022-04-29 10:48:26 +10:00
sysemu-cpu-ops.h dump: Replace opaque DumpState pointer with a typed one 2022-10-06 19:30:43 +04:00
tcg-cpu-ops.h softmmu: Restrict cpu_check_watchpoint / address_matches to TCG accel 2023-03-28 15:24:06 -07:00