diff options
| -rw-r--r-- | target/hppa/helper.h | 2 | ||||
| -rw-r--r-- | target/hppa/op_helper.c | 13 | ||||
| -rw-r--r-- | target/hppa/translate.c | 25 |
3 files changed, 39 insertions, 1 deletions
diff --git a/target/hppa/helper.h b/target/hppa/helper.h index 1e733b7..0e569cb 100644 --- a/target/hppa/helper.h +++ b/target/hppa/helper.h @@ -80,6 +80,8 @@ DEF_HELPER_FLAGS_4(fmpynfadd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64) DEF_HELPER_FLAGS_0(read_interval_timer, TCG_CALL_NO_RWG, tr) #ifndef CONFIG_USER_ONLY +DEF_HELPER_1(halt, noreturn, env) +DEF_HELPER_1(reset, noreturn, env) DEF_HELPER_1(rfi, void, env) DEF_HELPER_1(rfi_r, void, env) DEF_HELPER_FLAGS_2(write_interval_timer, TCG_CALL_NO_RWG, void, env, tr) diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index ef29513..0daa751 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -22,6 +22,7 @@ #include "exec/exec-all.h" #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" +#include "sysemu/sysemu.h" #include "qemu/timer.h" @@ -639,6 +640,18 @@ void HELPER(write_interval_timer)(CPUHPPAState *env, target_ureg val) timer_mod(cpu->alarm_timer, timeout); } +void HELPER(halt)(CPUHPPAState *env) +{ + qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); + helper_excp(env, EXCP_HLT); +} + +void HELPER(reset)(CPUHPPAState *env) +{ + qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); + helper_excp(env, EXCP_HLT); +} + target_ureg HELPER(swap_system_mask)(CPUHPPAState *env, target_ureg nsm) { target_ulong psw = env->psw; diff --git a/target/hppa/translate.c b/target/hppa/translate.c index f3942b1..b410583 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2302,6 +2302,18 @@ static DisasJumpType trans_rfi(DisasContext *ctx, uint32_t insn, /* Exit the TB to recognize new interrupts. */ return nullify_end(ctx, DISAS_NORETURN); } + +static DisasJumpType gen_hlt(DisasContext *ctx, int reset) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); + nullify_over(ctx); + if (reset) { + gen_helper_reset(cpu_env); + } else { + gen_helper_halt(cpu_env); + } + return nullify_end(ctx, DISAS_NORETURN); +} #endif /* !CONFIG_USER_ONLY */ static const DisasInsn table_system[] = { @@ -4519,7 +4531,18 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) case 0x15: /* unassigned */ case 0x1D: /* unassigned */ case 0x37: /* unassigned */ - case 0x3F: /* unassigned */ + break; + case 0x3F: +#ifndef CONFIG_USER_ONLY + /* Unassigned, but use as system-halt. */ + if (insn == 0xfffdead0) { + return gen_hlt(ctx, 0); /* halt system */ + } + if (insn == 0xfffdead1) { + return gen_hlt(ctx, 1); /* reset system */ + } +#endif + break; default: break; } |