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kvm: Change prototype of kvm_update_guest_debug() 

Passing a CPUState pointer instead of a CPUArchState pointer eliminates
the last target dependent data type in sysemu/kvm.h.

It also simplifies the code.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Stefan Weil 2013-07-25 20:50:21 +02:00 committed by Andreas Färber
parent 0ac46af39e
commit 38e478eccf
5 changed files with 10 additions and 18 deletions
exec.c
include/sysemu
kvm.h
kvm-all.ckvm-stub.c
target-i386
kvm.c

5
exec.c
View File

@ -590,15 +590,14 @@ void cpu_breakpoint_remove_all(CPUArchState *env, int mask)
void cpu_single_step(CPUState *cpu, int enabled)
{
#if defined(TARGET_HAS_ICE)
CPUArchState *env = cpu->env_ptr;
if (cpu->singlestep_enabled != enabled) {
cpu->singlestep_enabled = enabled;
if (kvm_enabled()) {
kvm_update_guest_debug(env, 0);
kvm_update_guest_debug(cpu, 0);
} else {
/* must flush all the translated code to avoid inconsistencies */
/* XXX: only flush what is necessary */
CPUArchState *env = cpu->env_ptr;
tb_flush(env);
}
}

2
include/sysemu/kvm.h
View File

@ -174,7 +174,7 @@ int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type);
void kvm_remove_all_breakpoints(CPUState *cpu);
int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap);
int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap);
#ifndef _WIN32
int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset);
#endif

17
kvm-all.c
View File

@ -1883,9 +1883,8 @@ static void kvm_invoke_set_guest_debug(void *data)
&dbg_data->dbg);
}
int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
{
CPUState *cpu = ENV_GET_CPU(env);
struct kvm_set_guest_debug_data data;
data.dbg.control = reinject_trap;
@ -1935,9 +1934,7 @@ int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
}
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
CPUArchState *env = cpu->env_ptr;
err = kvm_update_guest_debug(env, 0);
err = kvm_update_guest_debug(cpu, 0);
if (err) {
return err;
}
@ -1977,9 +1974,7 @@ int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
}
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
CPUArchState *env = cpu->env_ptr;
err = kvm_update_guest_debug(env, 0);
err = kvm_update_guest_debug(cpu, 0);
if (err) {
return err;
}
@ -2007,15 +2002,13 @@ void kvm_remove_all_breakpoints(CPUState *cpu)
kvm_arch_remove_all_hw_breakpoints();
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
CPUArchState *env = cpu->env_ptr;
kvm_update_guest_debug(env, 0);
kvm_update_guest_debug(cpu, 0);
}
}
#else /* !KVM_CAP_SET_GUEST_DEBUG */
int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
{
return -EINVAL;
}

2
kvm-stub.c
View File

@ -78,7 +78,7 @@ void kvm_setup_guest_memory(void *start, size_t size)
{
}
int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
{
return -ENOSYS;
}

2
target-i386/kvm.c
View File

@ -1618,7 +1618,7 @@ static int kvm_guest_debug_workarounds(X86CPU *cpu)
*/
if (reinject_trap ||
(!kvm_has_robust_singlestep() && cs->singlestep_enabled)) {
ret = kvm_update_guest_debug(env, reinject_trap);
ret = kvm_update_guest_debug(cs, reinject_trap);
}
return ret;
}