[RFC,v1,23/29] target-arc: FLAG, BRK, SLEEP

Commit Message

Michael Rolnik Sept. 8, 2016, 10:32 p.m. UTC

Signed-off-by: Michael Rolnik <[e-mail]>
---
 target-arc/helper.h         |  1 +
 target-arc/op_helper.c      |  6 +++++
 target-arc/translate-inst.c | 61 +++++++++++++++++++++++++++++++++++++++++++++
 target-arc/translate-inst.h |  4 +++
 4 files changed, 72 insertions(+)

Patch

diff --git a/target-arc/helper.h b/target-arc/helper.h
index 1d84935..14769b1 100644
--- a/target-arc/helper.h
+++ b/target-arc/helper.h
@@ -23,4 +23,5 @@  DEF_HELPER_2(norm, i32, env, i32)
 DEF_HELPER_2(normw, i32, env, i32)
 DEF_HELPER_2(lr, tl, env, i32)
 DEF_HELPER_2(sr, void, i32, i32)
+DEF_HELPER_1(halt, void, env)
 
diff --git a/target-arc/op_helper.c b/target-arc/op_helper.c
index 3cf9080..b07939c 100644
--- a/target-arc/op_helper.c
+++ b/target-arc/op_helper.c
@@ -411,3 +411,9 @@  target_ulong helper_lr(CPUARCState *env, uint32_t aux)
     return  result;
 }
 
+void helper_halt(CPUARCState *env)
+{
+    /* TODO: implement */
+}
+
+
diff --git a/target-arc/translate-inst.c b/target-arc/translate-inst.c
index 524b213..9d0f195 100644
--- a/target-arc/translate-inst.c
+++ b/target-arc/translate-inst.c
@@ -2617,3 +2617,64 @@  gen_set_label(label_done);
     return BS_NONE;
 }
 
+/*
+    BRK
+*/
+int arc_gen_BRK(DisasCtxt *ctx)
+{
+    tcg_gen_movi_tl(cpu_debug_BH, 1);
+    gen_helper_halt(cpu_env);
+    return  BS_BREAK;
+}
+
+/*
+    FLAG
+*/
+int arc_gen_FLAG(DisasCtxt *ctx, TCGv src1)
+{
+    TCGLabel *label_else = gen_new_label();
+    TCGLabel *label_done = gen_new_label();
+    TCGv temp = tcg_temp_new_i32();
+
+    tcg_gen_mov_tl(temp, src1);
+
+    tcg_gen_andi_tl(cpu_Hf, temp, 1);
+    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_Hf, 0, label_else);
+
+    gen_helper_halt(cpu_env);
+
+gen_set_label(label_else);
+    tcg_gen_shri_tl(temp, temp, 1);
+    tcg_gen_andi_tl(cpu_E1f, temp, 1);
+
+    tcg_gen_shri_tl(temp, temp, 1);
+    tcg_gen_andi_tl(cpu_E2f, temp, 1);
+
+    tcg_gen_shri_tl(temp, temp, 6);
+    tcg_gen_andi_tl(cpu_Vf, temp, 1);
+
+    tcg_gen_shri_tl(temp, temp, 1);
+    tcg_gen_andi_tl(cpu_Cf, temp, 1);
+
+    tcg_gen_shri_tl(temp, temp, 1);
+    tcg_gen_andi_tl(cpu_Nf, temp, 1);
+
+    tcg_gen_shri_tl(temp, temp, 1);
+    tcg_gen_andi_tl(cpu_Zf, temp, 1);
+gen_set_label(label_done);
+
+    return BS_NONE;
+}
+
+/*
+    SLEEP
+*/
+int arc_gen_SLEEP(DisasCtxt *ctx, TCGv src1)
+{
+    tcg_gen_movi_tl(cpu_debug_ZZ, 1);
+    tcg_gen_andi_tl(cpu_E1f, src1, 0x01);
+    tcg_gen_andi_tl(cpu_E2f, src1, 0x02);
+
+    return  BS_BREAK;
+}
+
diff --git a/target-arc/translate-inst.h b/target-arc/translate-inst.h
index e2b76d4..5794cad 100644
--- a/target-arc/translate-inst.h
+++ b/target-arc/translate-inst.h
@@ -159,3 +159,7 @@  int arc_gen_NEGSW(DisasCtxt *c, TCGv dest, TCGv src1);
 int arc_gen_ASLS(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
 int arc_gen_ASRS(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2);
 
+int arc_gen_SLEEP(DisasCtxt *c, TCGv src1);
+int arc_gen_BRK(DisasCtxt *c);
+int arc_gen_FLAG(DisasCtxt *c, TCGv src1);
+