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s390x/tcg: wire up SET ADDRESS LIMIT 

Let's handle it just like KVM:
    Depending on the model, this instruction may not be
    provided. When this instruction is not provided, it is
    checked for operand exception and privileged-opera-
    tion exception, and then is suppressed.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171208160207.26494-9-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2017-12-08 17:02:01 +01:00 committed by Cornelia Huck
parent f400be1813
commit 86c34633c5
4 changed files with 18 additions and 0 deletions
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1
target/s390x/helper.h
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@ -165,6 +165,7 @@ DEF_HELPER_2(hsch, void, env, i64)
DEF_HELPER_3(msch, void, env, i64, i64)
DEF_HELPER_2(rchp, void, env, i64)
DEF_HELPER_2(rsch, void, env, i64)
DEF_HELPER_2(sal, void, env, i64)
DEF_HELPER_3(ssch, void, env, i64, i64)
DEF_HELPER_2(stcrw, void, env, i64)
DEF_HELPER_3(stsch, void, env, i64, i64)

1
target/s390x/insn-data.def
View File

@ -1054,6 +1054,7 @@
C(0xb232, MSCH, S, Z, 0, insn, 0, 0, msch, 0)
C(0xb23b, RCHP, S, Z, 0, 0, 0, 0, rchp, 0)
C(0xb238, RSCH, S, Z, 0, 0, 0, 0, rsch, 0)
C(0xb237, SAL, S, Z, 0, 0, 0, 0, sal, 0)
C(0xb233, SSCH, S, Z, 0, insn, 0, 0, ssch, 0)
C(0xb239, STCRW, S, Z, 0, insn, 0, 0, stcrw, 0)
C(0xb234, STSCH, S, Z, 0, insn, 0, 0, stsch, 0)

9
target/s390x/misc_helper.c
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@ -377,6 +377,15 @@ void HELPER(rsch)(CPUS390XState *env, uint64_t r1)
qemu_mutex_unlock_iothread();
}
void HELPER(sal)(CPUS390XState *env, uint64_t r1)
{
S390CPU *cpu = s390_env_get_cpu(env);
qemu_mutex_lock_iothread();
ioinst_handle_sal(cpu, r1, GETPC());
qemu_mutex_unlock_iothread();
}
void HELPER(ssch)(CPUS390XState *env, uint64_t r1, uint64_t inst)
{
S390CPU *cpu = s390_env_get_cpu(env);

7
target/s390x/translate.c
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@ -4118,6 +4118,13 @@ static ExitStatus op_rsch(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_sal(DisasContext *s, DisasOps *o)
{
check_privileged(s);
gen_helper_sal(cpu_env, regs[1]);
return NO_EXIT;
}
static ExitStatus op_ssch(DisasContext *s, DisasOps *o)
{
check_privileged(s);