Patchwork [072/147] target-s390: Convert LOAD CONTROL, part 2

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Submitter Richard Henderson
Date Sept. 28, 2012, 12:05 a.m.
Message ID <1348790709-25778-1-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/187592/
State New
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Richard Henderson - Sept. 28, 2012, 12:05 a.m.
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-s390x/insn-data.def |  2 ++
 target-s390x/translate.c   | 76 ++++++++++++++--------------------------------
 2 files changed, 25 insertions(+), 53 deletions(-)

Patch

diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 8bfc6f9..a8dffcd 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -484,6 +484,7 @@ 
     C(0x8300, DIAG,    RX_a,  Z,   0, 0, 0, 0, diag, 0)
 /* LOAD CONTROL */
     C(0xb700, LCTL,    RS_a,  Z,   0, a2, 0, 0, lctl, 0)
+    C(0xeb2f, LCTLG,   RSY_a, Z,   0, a2, 0, 0, lctlg, 0)
 /* LOAD PSW */
     C(0x8200, LPSW,    S,     Z,   0, a2, 0, 0, lpsw, 0)
 /* LOAD REAL ADDRESS */
@@ -504,6 +505,7 @@ 
     C(0xae00, SIGP,    RS_a,  Z,   r3_o, a2, 0, 0, sigp, 0)
 /* STORE CONTROL */
     C(0xb600, STCTL,   RS_a,  Z,   0, a2, 0, 0, stctl, 0)
+    C(0xeb25, STCTG,   RSY_a, Z,   0, a2, 0, 0, stctg, 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/translate.c b/target-s390x/translate.c
index 4195c7e..b78e31c 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1073,48 +1073,6 @@  static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1,
     tcg_temp_free_i64(addr);
 }
 
-static void disas_eb(CPUS390XState *env, DisasContext *s, int op, int r1,
-                     int r3, int b2, int d2)
-{
-    TCGv_i64 tmp;
-    TCGv_i32 tmp32_1, tmp32_2;
-
-    LOG_DISAS("disas_eb: op 0x%x r1 %d r3 %d b2 %d d2 0x%x\n",
-              op, r1, r3, b2, d2);
-    switch (op) {
-#ifndef CONFIG_USER_ONLY
-    case 0x2f: /* LCTLG     R1,R3,D2(B2)     [RSE] */
-        /* Load Control */
-        check_privileged(s);
-        tmp = get_address(s, 0, b2, d2);
-        tmp32_1 = tcg_const_i32(r1);
-        tmp32_2 = tcg_const_i32(r3);
-        potential_page_fault(s);
-        gen_helper_lctlg(cpu_env, tmp32_1, tmp, tmp32_2);
-        tcg_temp_free_i64(tmp);
-        tcg_temp_free_i32(tmp32_1);
-        tcg_temp_free_i32(tmp32_2);
-        break;
-    case 0x25: /* STCTG     R1,R3,D2(B2)     [RSE] */
-        /* Store Control */
-        check_privileged(s);
-        tmp = get_address(s, 0, b2, d2);
-        tmp32_1 = tcg_const_i32(r1);
-        tmp32_2 = tcg_const_i32(r3);
-        potential_page_fault(s);
-        gen_helper_stctg(cpu_env, tmp32_1, tmp, tmp32_2);
-        tcg_temp_free_i64(tmp);
-        tcg_temp_free_i32(tmp32_1);
-        tcg_temp_free_i32(tmp32_2);
-        break;
-#endif
-    default:
-        LOG_DISAS("illegal eb operation 0x%x\n", op);
-        gen_illegal_opcode(s);
-        break;
-    }
-}
-
 static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1,
                      int x2, int b2, int d2, int r1b)
 {
@@ -1968,17 +1926,6 @@  static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
            | ((insn << 4) & 0xff000)) << 12)) >> 12;
         disas_e3(env, s, op,  r1, x2, b2, d2 );
         break;
-    case 0xeb:
-        insn = ld_code6(env, s->pc);
-        debug_insn(insn);
-        op = insn & 0xff;
-        r1 = (insn >> 36) & 0xf;
-        r3 = (insn >> 32) & 0xf;
-        b2 = (insn >> 28) & 0xf;
-        d2 = ((int)((((insn >> 16) & 0xfff)
-           | ((insn << 4) & 0xff000)) << 12)) >> 12;
-        disas_eb(env, s, op, r1, r3, b2, d2);
-        break;
     case 0xed:
         insn = ld_code6(env, s->pc);
         debug_insn(insn);
@@ -2819,6 +2766,17 @@  static ExitStatus op_lctl(DisasContext *s, DisasOps *o)
     return NO_EXIT;
 }
 
+static ExitStatus op_lctlg(DisasContext *s, DisasOps *o)
+{
+    TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+    TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+    check_privileged(s);
+    potential_page_fault(s);
+    gen_helper_lctlg(cpu_env, r1, o->in2, r3);
+    tcg_temp_free_i32(r1);
+    tcg_temp_free_i32(r3);
+    return NO_EXIT;
+}
 static ExitStatus op_lra(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
@@ -3138,6 +3096,18 @@  static ExitStatus op_ssm(DisasContext *s, DisasOps *o)
     return NO_EXIT;
 }
 
+static ExitStatus op_stctg(DisasContext *s, DisasOps *o)
+{
+    TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
+    TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
+    check_privileged(s);
+    potential_page_fault(s);
+    gen_helper_stctg(cpu_env, r1, o->in2, r3);
+    tcg_temp_free_i32(r1);
+    tcg_temp_free_i32(r3);
+    return NO_EXIT;
+}
+
 static ExitStatus op_stctl(DisasContext *s, DisasOps *o)
 {
     TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));