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[Qemu-devel] [PATCH 102/147] target-s390: Convert SPX, STPX
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 102/147] target-s390: Convert SPX, STPX |
Date: |
Thu, 27 Sep 2012 17:37:00 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-s390x/insn-data.def | 4 ++++
target-s390x/misc_helper.c | 6 ++----
target-s390x/translate.c | 35 +++++++++++++++--------------------
3 files changed, 21 insertions(+), 24 deletions(-)
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index e9b9dc1..87a77a2 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -642,6 +642,8 @@
C(0xb206, SCKC, S, Z, 0, m2_64, 0, 0, sckc, 0)
/* SET CPU TIMER */
C(0xb208, SPT, S, Z, 0, m2_64, 0, 0, spt, 0)
+/* SET PREFIX */
+ C(0xb210, SPX, S, Z, 0, m2_32u, 0, 0, spx, 0)
/* SET PSW KEY FROM ADDRESS */
C(0xb20a, SPKA, S, Z, 0, a2, 0, 0, spka, 0)
/* SET SYSTEM MASK */
@@ -660,6 +662,8 @@
C(0xb202, STIDP, S, Z, la2, 0, new, m1_64, stidp, 0)
/* STORE CPU TIMER */
C(0xb209, STPT, S, Z, la2, 0, new, m1_64, stpt, 0)
+/* STORE PREFIX */
+ C(0xb211, STPX, S, Z, la2, 0, new, m1_32, stpx, 0)
/* STORE THEN AND SYSTEM MASK */
C(0xac00, STNSM, SI, Z, la1, 0, 0, 0, stnosm, 0)
/* STORE THEN OR SYSTEM MASK */
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 3fe74de..925dc0a 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -181,10 +181,8 @@ uint64_t HELPER(diag)(CPUS390XState *env, uint32_t num,
uint64_t mem,
/* Set Prefix */
void HELPER(spx)(CPUS390XState *env, uint64_t a1)
{
- uint32_t prefix;
-
- prefix = cpu_ldl_data(env, a1);
- env->psa = prefix & 0xfffff000;
+ uint32_t prefix = a1 & 0x7fffe000;
+ env->psa = prefix;
qemu_log("prefix: %#x\n", prefix);
tlb_flush_page(env, 0);
tlb_flush_page(env, TARGET_PAGE_SIZE);
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 952de68..36fbb1d 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1033,26 +1033,6 @@ static void disas_b2(CPUS390XState *env, DisasContext
*s, int op,
LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
switch (op) {
- case 0x10: /* SPX D2(B2) [S] */
- /* Set Prefix Register */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- potential_page_fault(s);
- gen_helper_spx(cpu_env, tmp);
- tcg_temp_free_i64(tmp);
- break;
- case 0x11: /* STPX D2(B2) [S] */
- /* Store Prefix */
- check_privileged(s);
- decode_rs(s, insn, &r1, &r3, &b2, &d2);
- tmp = get_address(s, 0, b2, d2);
- tmp2 = tcg_temp_new_i64();
- tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUS390XState, psa));
- tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
- tcg_temp_free_i64(tmp);
- tcg_temp_free_i64(tmp2);
- break;
case 0x12: /* STAP D2(B2) [S] */
/* Store CPU Address */
check_privileged(s);
@@ -2946,6 +2926,21 @@ static ExitStatus op_stpt(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_spx(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ gen_helper_spx(cpu_env, o->in2);
+ return NO_EXIT;
+}
+
+static ExitStatus op_stpx(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, psa));
+ tcg_gen_andi_i64(o->out, o->out, 0x7fffe000);
+ return NO_EXIT;
+}
+
static ExitStatus op_stnosm(DisasContext *s, DisasOps *o)
{
uint64_t i2 = get_field(s->fields, i2);
--
1.7.11.4
- [Qemu-devel] [PATCH 092/147] target-s390: Convert MVPG, (continued)
- [Qemu-devel] [PATCH 092/147] target-s390: Convert MVPG, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 093/147] target-s390: Convert CLST, MVST, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 094/147] target-s390: Convert SRST, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 095/147] target-s390: Convert STIDP, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 096/147] target-s390: Convert SCK, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 097/147] target-s390: Convert STCK, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 098/147] target-s390: Convert SCKC, STCKC, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 099/147] target-s390: Convert SPT, STPT, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 100/147] target-s390: Convert SPKA, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 101/147] target-s390: Convert PTLB, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 102/147] target-s390: Convert SPX, STPX,
Richard Henderson <=
- [Qemu-devel] [PATCH 103/147] target-s390: Convert STAP, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 104/147] target-s390: Convert IPTE, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 105/147] target-s390: Convert ISKE, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 106/147] target-s390: Convert SSKE, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 107/147] target-s390: Convert RRBE, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 108/147] target-s390: Convert subchannel instructions, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 109/147] target-s390: Convert STURA, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 110/147] target-s390: Convert CSP, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 111/147] target-s390: Convert STCKE, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 112/147] target-s390: Convert SACF, Richard Henderson, 2012/09/27