6adcba7c0a
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231207105426.49339-3-philmd@linaro.org>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
|
|
* Helpers for system instructions.
|
|
*
|
|
* Copyright (c) 2007 Jocelyn Mayer
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "cpu.h"
|
|
#include "exec/exec-all.h"
|
|
#include "exec/tb-flush.h"
|
|
#include "exec/helper-proto.h"
|
|
#include "sysemu/runstate.h"
|
|
#include "sysemu/sysemu.h"
|
|
#include "qemu/timer.h"
|
|
|
|
|
|
/* PALcode support special instructions */
|
|
void helper_tbia(CPUAlphaState *env)
|
|
{
|
|
tlb_flush(env_cpu(env));
|
|
}
|
|
|
|
void helper_tbis(CPUAlphaState *env, uint64_t p)
|
|
{
|
|
tlb_flush_page(env_cpu(env), p);
|
|
}
|
|
|
|
void helper_tb_flush(CPUAlphaState *env)
|
|
{
|
|
tb_flush(env_cpu(env));
|
|
}
|
|
|
|
void helper_halt(uint64_t restart)
|
|
{
|
|
if (restart) {
|
|
qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
|
|
} else {
|
|
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
|
|
}
|
|
}
|
|
|
|
uint64_t helper_get_vmtime(void)
|
|
{
|
|
return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
|
|
}
|
|
|
|
uint64_t helper_get_walltime(void)
|
|
{
|
|
return qemu_clock_get_ns(rtc_clock);
|
|
}
|
|
|
|
void helper_set_alarm(CPUAlphaState *env, uint64_t expire)
|
|
{
|
|
AlphaCPU *cpu = env_archcpu(env);
|
|
|
|
if (expire) {
|
|
env->alarm_expire = expire;
|
|
timer_mod(cpu->alarm_timer, expire);
|
|
} else {
|
|
timer_del(cpu->alarm_timer);
|
|
}
|
|
}
|