diff options
author | Richard Henderson <rth@twiddle.net> | 2012-08-21 14:33:36 -0700 |
---|---|---|
committer | Richard Henderson <rth@twiddle.net> | 2013-01-05 12:18:38 -0800 |
commit | 8b5ff57115e60589d772efeaa0c061ad6701e340 (patch) | |
tree | c7ac3c511c09804c4f5d9a83a478be3e070698ea /target-s390x/translate.c | |
parent | 7d30bb73db3a2fa38a33556430754917d5d70c91 (diff) |
target-s390: Convert LOAD PSW
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-s390x/translate.c')
-rw-r--r-- | target-s390x/translate.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 246d0f0a9a..cbfcf41427 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -2356,26 +2356,6 @@ static void disas_s390_insn(CPUS390XState *env, DisasContext *s) switch (opc) { #ifndef CONFIG_USER_ONLY - case 0x82: /* LPSW D2(B2) [S] */ - /* Load PSW */ - check_privileged(s); - insn = ld_code4(env, s->pc); - decode_rs(s, insn, &r1, &r3, &b2, &d2); - tmp = get_address(s, 0, b2, d2); - tmp2 = tcg_temp_new_i64(); - tmp3 = tcg_temp_new_i64(); - tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s)); - tcg_gen_addi_i64(tmp, tmp, 4); - tcg_gen_qemu_ld32u(tmp3, tmp, get_mem_index(s)); - /* Convert the 32-bit PSW_MASK into the 64-bit PSW_MASK. */ - tcg_gen_shli_i64(tmp2, tmp2, 32); - gen_helper_load_psw(cpu_env, tmp2, tmp3); - tcg_temp_free_i64(tmp); - tcg_temp_free_i64(tmp2); - tcg_temp_free_i64(tmp3); - /* we need to keep cc_op intact */ - s->is_jmp = DISAS_JUMP; - break; case 0x83: /* DIAG R1,R3,D2 [RS] */ /* Diagnose call (KVM hypercall) */ check_privileged(s); @@ -3511,6 +3491,27 @@ static ExitStatus op_ld64(DisasContext *s, DisasOps *o) return NO_EXIT; } +#ifndef CONFIG_USER_ONLY +static ExitStatus op_lpsw(DisasContext *s, DisasOps *o) +{ + TCGv_i64 t1, t2; + + check_privileged(s); + + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); + tcg_gen_qemu_ld32u(t1, o->in2, get_mem_index(s)); + tcg_gen_addi_i64(o->in2, o->in2, 4); + tcg_gen_qemu_ld32u(t2, o->in2, get_mem_index(s)); + /* Convert the 32-bit PSW_MASK into the 64-bit PSW_MASK. */ + tcg_gen_shli_i64(t1, t1, 32); + gen_helper_load_psw(cpu_env, t1, t2); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + return EXIT_NORETURN; +} +#endif + static ExitStatus op_mov2(DisasContext *s, DisasOps *o) { o->out = o->in2; |