Patchwork [089/126] target-s390: Convert SCK

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Submitter Richard Henderson
Date Sept. 9, 2012, 9:05 p.m.
Message ID <1347224784-19472-90-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/182664/
State New
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Richard Henderson - Sept. 9, 2012, 9:05 p.m.
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-s390x/helper.h      |  1 -
 target-s390x/insn-data.def |  3 +++
 target-s390x/misc_helper.c |  8 --------
 target-s390x/translate.c   | 10 ----------
 4 files changed, 3 insertions(+), 19 deletions(-)

Patch

diff --git a/target-s390x/helper.h b/target-s390x/helper.h
index 36d3539..33af097 100644
--- a/target-s390x/helper.h
+++ b/target-s390x/helper.h
@@ -92,7 +92,6 @@  DEF_HELPER_4(diag, i64, env, i32, i64, i64)
 DEF_HELPER_3(load_psw, void, env, i64, i64)
 DEF_HELPER_1(program_interrupt, void, i32)
 DEF_HELPER_FLAGS_2(spx, TCG_CALL_CONST, void, env, i64)
-DEF_HELPER_FLAGS_1(sck, TCG_CALL_CONST, i32, i64)
 DEF_HELPER_2(stck, i32, env, i64)
 DEF_HELPER_2(stcke, i32, env, i64)
 DEF_HELPER_FLAGS_2(sckc, TCG_CALL_CONST, void, env, i64)
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index dfac564..f5129bd 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -633,6 +633,9 @@ 
     /* We only do 64-bit, so accept this as a no-op.
        Let SAM24 and SAM31 signal illegal instruction.  */
     C(0x010e, SAM64,   E,     Z,   0, 0, 0, 0, 0, 0)
+/* SET CLOCK */
+    /* ??? Not implemented - is it necessary? */
+    C(0xb204, SCK,     S,     Z,   0, 0, 0, 0, 0, 0)
 /* SET SYSTEM MASK */
     C(0x8000, SSM,     S,     Z,   0, m2_8u, 0, 0, ssm, 0)
 /* SIGNAL PROCESSOR */
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 6e9978c..1a22f12 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -742,14 +742,6 @@  void HELPER(spx)(CPUS390XState *env, uint64_t a1)
     tlb_flush_page(env, TARGET_PAGE_SIZE);
 }
 
-/* Set Clock */
-uint32_t HELPER(sck)(uint64_t a1)
-{
-    /* XXX not implemented - is it necessary? */
-
-    return 0;
-}
-
 static inline uint64_t clock_value(CPUS390XState *env)
 {
     uint64_t time;
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 796da9d..7221b22 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1030,16 +1030,6 @@  static void disas_b2(DisasContext *s, int op, uint32_t insn)
     LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
 
     switch (op) {
-    case 0x04: /* SCK       D2(B2)     [S] */
-        /* Set Clock */
-        check_privileged(s);
-        decode_rs(s, insn, &r1, &r3, &b2, &d2);
-        tmp = get_address(s, 0, b2, d2);
-        potential_page_fault(s);
-        gen_helper_sck(cc_op, tmp);
-        set_cc_static(s);
-        tcg_temp_free_i64(tmp);
-        break;
     case 0x05: /* STCK     D2(B2)     [S] */
         /* Store Clock */
         decode_rs(s, insn, &r1, &r3, &b2, &d2);