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gdbstub: move guest debug support check to ops

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This removes the final hard coding of kvm_enabled() in gdbstub and
moves the check to an AccelOps.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20220929114231.583801-46-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2022-09-29 12:42:25 +01:00
parent ae7467b1ac
commit a48e7d9e52
10 changed files with 33 additions and 10 deletions
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1
accel/kvm/kvm-accel-ops.c
View file

@ -99,6 +99,7 @@ static void kvm_accel_ops_class_init(ObjectClass *oc, void *data)
ops->synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm;
#ifdef KVM_CAP_SET_GUEST_DEBUG
ops->supports_guest_debug = kvm_supports_guest_debug;
ops->insert_breakpoint = kvm_insert_breakpoint;
ops->remove_breakpoint = kvm_remove_breakpoint;
ops->remove_all_breakpoints = kvm_remove_all_breakpoints;

6
accel/kvm/kvm-all.c
View file

@ -3287,6 +3287,12 @@ int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
return data.err;
}
bool kvm_supports_guest_debug(void)
{
/* probed during kvm_init() */
return kvm_has_guest_debug;
}
int kvm_insert_breakpoint(CPUState *cpu, int type, hwaddr addr, hwaddr len)
{
struct kvm_sw_breakpoint *bp;

1
accel/kvm/kvm-cpus.h
View file

@ -18,6 +18,7 @@ void kvm_destroy_vcpu(CPUState *cpu);
void kvm_cpu_synchronize_post_reset(CPUState *cpu);
void kvm_cpu_synchronize_post_init(CPUState *cpu);
void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu);
bool kvm_supports_guest_debug(void);
int kvm_insert_breakpoint(CPUState *cpu, int type, hwaddr addr, hwaddr len);
int kvm_remove_breakpoint(CPUState *cpu, int type, hwaddr addr, hwaddr len);
void kvm_remove_all_breakpoints(CPUState *cpu);