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target/alpha: Implement WTINT inline

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-05-08 10:23:29 -07:00
parent e350d8ca3a
commit bec5e2b975
1 changed files with 11 additions and 5 deletions
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16
target/alpha/translate.c
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@ -1157,6 +1157,7 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
/* Privileged PAL code */ /* Privileged PAL code */
if (palcode < 0x40 && (ctx->tb->flags & TB_FLAGS_USER_MODE) == 0) { if (palcode < 0x40 && (ctx->tb->flags & TB_FLAGS_USER_MODE) == 0) {
TCGv tmp;
switch (palcode) { switch (palcode) {
case 0x01: case 0x01:
/* CFLUSH */ /* CFLUSH */
@ -1182,10 +1183,8 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
offsetof(CPUAlphaState, sysval)); offsetof(CPUAlphaState, sysval));
break; break;
case 0x35: { case 0x35:
/* SWPIPL */ /* SWPIPL */
TCGv tmp;
/* Note that we already know we're in kernel mode, so we know /* Note that we already know we're in kernel mode, so we know
that PS only contains the 3 IPL bits. */ that PS only contains the 3 IPL bits. */
tcg_gen_ld8u_i64(ctx->ir[IR_V0], cpu_env, tcg_gen_ld8u_i64(ctx->ir[IR_V0], cpu_env,
@ -1197,7 +1196,6 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
tcg_gen_st8_i64(tmp, cpu_env, offsetof(CPUAlphaState, ps)); tcg_gen_st8_i64(tmp, cpu_env, offsetof(CPUAlphaState, ps));
tcg_temp_free(tmp); tcg_temp_free(tmp);
break; break;
}
case 0x36: case 0x36:
/* RDPS */ /* RDPS */
@ -1220,6 +1218,14 @@ static ExitStatus gen_call_pal(DisasContext *ctx, int palcode)
-offsetof(AlphaCPU, env) + offsetof(CPUState, cpu_index)); -offsetof(AlphaCPU, env) + offsetof(CPUState, cpu_index));
break; break;
case 0x3E:
/* WTINT */
tmp = tcg_const_i64(1);
tcg_gen_st32_i64(tmp, cpu_env, -offsetof(AlphaCPU, env) +
offsetof(CPUState, halted));
tcg_gen_movi_i64(ctx->ir[IR_V0], 0);
return gen_excp(ctx, EXCP_HALTED, 0);
default: default:
palcode &= 0x3f; palcode &= 0x3f;
goto do_call_pal; goto do_call_pal;
@ -1369,7 +1375,7 @@ static ExitStatus gen_mtpr(DisasContext *ctx, TCGv vb, int regno)
tmp = tcg_const_i64(1); tmp = tcg_const_i64(1);
tcg_gen_st32_i64(tmp, cpu_env, -offsetof(AlphaCPU, env) + tcg_gen_st32_i64(tmp, cpu_env, -offsetof(AlphaCPU, env) +
offsetof(CPUState, halted)); offsetof(CPUState, halted));
return gen_excp(ctx, EXCP_HLT, 0); return gen_excp(ctx, EXCP_HALTED, 0);
case 252: case 252:
/* HALT */ /* HALT */