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[Qemu-devel] [PATCH 108/147] target-s390: Convert subchannel instruction
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 108/147] target-s390: Convert subchannel instructions |
Date: |
Thu, 27 Sep 2012 17:43:23 -0700 |
While we're at it, list all of the chapter 14 subchannel insns.
Which is easy since all merely need indicate non-operation.
Signed-off-by: Richard Henderson <address@hidden>
---
target-s390x/insn-data.def | 14 ++++++++++++++
target-s390x/translate.c | 18 ++++++++----------
2 files changed, 22 insertions(+), 10 deletions(-)
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 2a04572..24a419c 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -680,4 +680,18 @@
C(0xad00, STOSM, SI, Z, la1, 0, 0, 0, stnosm, 0)
/* TEST PROTECTION */
C(0xe501, TPROT, SSE, Z, la1, a2, 0, 0, tprot, 0)
+
+/* I/O Instructions. For each we simply indicate non-operation. */
+ C(0xb276, XSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb230, CSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb231, HSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb232, MSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb23b, RCHP, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb238, RSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb233, SSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb234, STSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ C(0xb235, TSCH, S, Z, 0, 0, 0, 0, subchannel, 0)
+ /* ??? Not listed in PoO ninth edition, but there's a linux driver that
+ uses it: "A CHSC subchannel is usually present on LPAR only." */
+ C(0xb25f, CHSC, S, Z, 0, 0, 0, 0, subchannel, 0)
#endif /* CONFIG_USER_ONLY */
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index e211a60..334d4ea 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1033,11 +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 0x34: /* STCH ? */
- /* Store Subchannel */
- check_privileged(s);
- gen_op_movi_cc(s, 3);
- break;
case 0x46: /* STURA R1,R2 [RRE] */
/* Store Using Real Address */
check_privileged(s);
@@ -1062,11 +1057,6 @@ static void disas_b2(CPUS390XState *env, DisasContext
*s, int op,
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
- case 0x5f: /* CHSC ? */
- /* Channel Subsystem Call */
- check_privileged(s);
- gen_op_movi_cc(s, 3);
- break;
case 0x78: /* STCKE D2(B2) [S] */
/* Store Clock Extended */
decode_rs(s, insn, &r1, &r3, &b2, &d2);
@@ -2916,6 +2906,14 @@ static ExitStatus op_spx(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_subchannel(DisasContext *s, DisasOps *o)
+{
+ check_privileged(s);
+ /* Not operational. */
+ gen_op_movi_cc(s, 3);
+ return NO_EXIT;
+}
+
static ExitStatus op_stpx(DisasContext *s, DisasOps *o)
{
check_privileged(s);
--
1.7.11.4
- [Qemu-devel] [PATCH 098/147] target-s390: Convert SCKC, STCKC, (continued)
- [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, 2012/09/27
- [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 <=
- [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
- [Qemu-devel] [PATCH 113/147] target-s390: Convert STSI, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 114/147] target-s390: Convert STFL, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 115/147] target-s390: Convert LPSWE, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 116/147] target-s390: Convert SERVC, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 117/147] target-s390: Delete dead code from old translator, Richard Henderson, 2012/09/27
- [Qemu-devel] [PATCH 118/147] target-s390: Implement BRANCH ON INDEX, Richard Henderson, 2012/09/27