s390x/kvm: Simplified the calculation of the SIGP order code

[qemu.git] / target-s390x / translate.c

diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index a57296c64ff48028fa106947e4eb75198b7e0375..bc99a378a72ebe1df04b738794759652b62ddf88 100644 (file)
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -86,9 +86,11 @@ static uint64_t pc_to_link_info(DisasContext *s, uint64_t pc)
     return pc;
 }
 
-void cpu_dump_state(CPUS390XState *env, FILE *f, fprintf_function cpu_fprintf,
-                    int flags)
+void s390_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
+                         int flags)
 {
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
     int i;
 
     if (env->cc_op > 3) {
@@ -186,10 +188,6 @@ void s390x_translate_init(void)
                                       offsetof(CPUS390XState, fregs[i].d),
                                       cpu_reg_names[i + 16]);
     }
-
-    /* register helpers */
-#define GEN_HELPER 2
-#include "helper.h"
 }
 
 static TCGv_i64 load_reg(int reg)
@@ -1142,7 +1140,7 @@ struct DisasInsn {
 };
 
 /* ====================================================================== */
-/* Miscelaneous helpers, used by several operations.  */
+/* Miscellaneous helpers, used by several operations.  */
 
 static void help_l2_shift(DisasContext *s, DisasFields *f,
                           DisasOps *o, int mask)
@@ -1167,7 +1165,7 @@ static ExitStatus help_goto_direct(DisasContext *s, uint64_t dest)
         update_cc_op(s);
         tcg_gen_goto_tb(0);
         tcg_gen_movi_i64(psw_addr, dest);
-        tcg_gen_exit_tb((tcg_target_long)s->tb);
+        tcg_gen_exit_tb((uintptr_t)s->tb);
         return EXIT_GOTO_TB;
     } else {
         tcg_gen_movi_i64(psw_addr, dest);
@@ -1225,13 +1223,13 @@ static ExitStatus help_branch(DisasContext *s, DisasCompare *c,
             /* Branch not taken.  */
             tcg_gen_goto_tb(0);
             tcg_gen_movi_i64(psw_addr, s->next_pc);
-            tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
+            tcg_gen_exit_tb((uintptr_t)s->tb + 0);
 
             /* Branch taken.  */
             gen_set_label(lab);
             tcg_gen_goto_tb(1);
             tcg_gen_movi_i64(psw_addr, dest);
-            tcg_gen_exit_tb((tcg_target_long)s->tb + 1);
+            tcg_gen_exit_tb((uintptr_t)s->tb + 1);
 
             ret = EXIT_GOTO_TB;
         } else {
@@ -1254,7 +1252,7 @@ static ExitStatus help_branch(DisasContext *s, DisasCompare *c,
             update_cc_op(s);
             tcg_gen_goto_tb(0);
             tcg_gen_movi_i64(psw_addr, s->next_pc);
-            tcg_gen_exit_tb((tcg_target_long)s->tb + 0);
+            tcg_gen_exit_tb((uintptr_t)s->tb + 0);
 
             gen_set_label(lab);
             if (is_imm) {
@@ -2566,8 +2564,7 @@ static ExitStatus op_mul(DisasContext *s, DisasOps *o)
 
 static ExitStatus op_mul128(DisasContext *s, DisasOps *o)
 {
-    gen_helper_mul128(o->out, cpu_env, o->in1, o->in2);
-    return_low128(o->out2);
+    tcg_gen_mulu2_i64(o->out2, o->out, o->in1, o->in2);
     return NO_EXIT;
 }
 
@@ -3089,6 +3086,7 @@ static ExitStatus op_srnm(DisasContext *s, DisasOps *o)
         break;
     case 0xb9: /* SRNMT */
         pos = 4, len = 3;
+        break;
     default:
         tcg_abort();
     }
@@ -3806,7 +3804,7 @@ static void cout_tm64(DisasContext *s, DisasOps *o)
 }
 
 /* ====================================================================== */
-/* The "PREPeration" generators.  These initialize the DisasOps.OUT fields
+/* The "PREParation" generators.  These initialize the DisasOps.OUT fields
    with the TCG register to which we will write.  Used in combination with
    the "wout" generators, in some cases we need a new temporary, and in
    some cases we can write to a TCG global.  */
@@ -4734,10 +4732,12 @@ static ExitStatus translate_one(CPUS390XState *env, DisasContext *s)
     return ret;
 }
 
-static inline void gen_intermediate_code_internal(CPUS390XState *env,
+static inline void gen_intermediate_code_internal(S390CPU *cpu,
                                                   TranslationBlock *tb,
-                                                  int search_pc)
+                                                  bool search_pc)
 {
+    CPUState *cs = CPU(cpu);
+    CPUS390XState *env = &cpu->env;
     DisasContext dc;
     target_ulong pc_start;
     uint64_t next_page_start;
@@ -4758,7 +4758,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
     dc.tb = tb;
     dc.pc = pc_start;
     dc.cc_op = CC_OP_DYNAMIC;
-    do_debug = dc.singlestep_enabled = env->singlestep_enabled;
+    do_debug = dc.singlestep_enabled = cs->singlestep_enabled;
 
     gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
@@ -4770,7 +4770,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
         max_insns = CF_COUNT_MASK;
     }
 
-    gen_icount_start();
+    gen_tb_start();
 
     do {
         if (search_pc) {
@@ -4815,7 +4815,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
                 || tcg_ctx.gen_opc_ptr >= gen_opc_end
                 || num_insns >= max_insns
                 || singlestep
-                || env->singlestep_enabled)) {
+                || cs->singlestep_enabled)) {
             status = EXIT_PC_STALE;
         }
     } while (status == NO_EXIT);
@@ -4846,7 +4846,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
         abort();
     }
 
-    gen_icount_end(tb, num_insns);
+    gen_tb_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
         j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
@@ -4870,12 +4870,12 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
 
 void gen_intermediate_code (CPUS390XState *env, struct TranslationBlock *tb)
 {
-    gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(s390_env_get_cpu(env), tb, false);
 }
 
 void gen_intermediate_code_pc (CPUS390XState *env, struct TranslationBlock *tb)
 {
-    gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(s390_env_get_cpu(env), tb, true);
 }
 
 void restore_state_to_opc(CPUS390XState *env, TranslationBlock *tb, int pc_pos)