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kvm: avoid using cpu_single_env 

Pass around CPUArchState instead of using global cpu_single_env.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Blue Swirl 2012-09-08 12:43:16 +00:00
parent f4359b9ffe
commit 4840552601
1 changed files with 11 additions and 10 deletions
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21
target-i386/kvm.c
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@ -1945,14 +1945,15 @@ void kvm_arch_remove_all_hw_breakpoints(void)
static CPUWatchpoint hw_watchpoint;
static int kvm_handle_debug(struct kvm_debug_exit_arch *arch_info)
static int kvm_handle_debug(CPUX86State *env,
struct kvm_debug_exit_arch *arch_info)
{
int ret = 0;
int n;
if (arch_info->exception == 1) {
if (arch_info->dr6 & (1 << 14)) {
if (cpu_single_env->singlestep_enabled) {
if (env->singlestep_enabled) {
ret = EXCP_DEBUG;
}
} else {
@ -1964,13 +1965,13 @@ static int kvm_handle_debug(struct kvm_debug_exit_arch *arch_info)
break;
case 0x1:
ret = EXCP_DEBUG;
cpu_single_env->watchpoint_hit = &hw_watchpoint;
env->watchpoint_hit = &hw_watchpoint;
hw_watchpoint.vaddr = hw_breakpoint[n].addr;
hw_watchpoint.flags = BP_MEM_WRITE;
break;
case 0x3:
ret = EXCP_DEBUG;
cpu_single_env->watchpoint_hit = &hw_watchpoint;
env->watchpoint_hit = &hw_watchpoint;
hw_watchpoint.vaddr = hw_breakpoint[n].addr;
hw_watchpoint.flags = BP_MEM_ACCESS;
break;
@ -1978,16 +1979,16 @@ static int kvm_handle_debug(struct kvm_debug_exit_arch *arch_info)
}
}
}
} else if (kvm_find_sw_breakpoint(cpu_single_env, arch_info->pc)) {
} else if (kvm_find_sw_breakpoint(env, arch_info->pc)) {
ret = EXCP_DEBUG;
}
if (ret == 0) {
cpu_synchronize_state(cpu_single_env);
assert(cpu_single_env->exception_injected == -1);
cpu_synchronize_state(env);
assert(env->exception_injected == -1);
/* pass to guest */
cpu_single_env->exception_injected = arch_info->exception;
cpu_single_env->has_error_code = 0;
env->exception_injected = arch_info->exception;
env->has_error_code = 0;
}
return ret;
@ -2071,7 +2072,7 @@ int kvm_arch_handle_exit(CPUX86State *env, struct kvm_run *run)
break;
case KVM_EXIT_DEBUG:
DPRINTF("kvm_exit_debug\n");
ret = kvm_handle_debug(&run->debug.arch);
ret = kvm_handle_debug(env, &run->debug.arch);
break;
default:
fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);