diff mbox series

[v3,22/90] target/sparc: Move RDPSR, RDHPR to decodetree

Message ID 20231021053158.278135-23-richard.henderson@linaro.org
State Superseded
Headers show
Series target/sparc: Convert to decodetree | expand

Commit Message

Richard Henderson Oct. 21, 2023, 5:30 a.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/insns.decode |  10 ++++
 target/sparc/translate.c  | 112 ++++++++++++++++++++++++--------------
 2 files changed, 80 insertions(+), 42 deletions(-)
diff mbox series

Patch

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 1b084c5b97..ac545c6821 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -44,6 +44,16 @@  CALL    01 i:s30
   RDY               10 rd:5  101000 rs1:5 0 0000000000000
 }
 
+{
+  RDPSR             10 rd:5  101001 00000 0 0000000000000
+  RDHPR_hpstate     10 rd:5  101001 00000 0 0000000000000
+}
+# RDHPR_tstate
+RDHPR_hintp         10 rd:5  101001 00011 0 0000000000000
+RDHPR_htba          10 rd:5  101001 00101 0 0000000000000
+RDHPR_hver          10 rd:5  101001 00110 0 0000000000000
+RDHPR_hstick_cmpr   10 rd:5  101001 11111 0 0000000000000
+
 Tcc_r       10 0 cond:4 111010 rs1:5 0 cc:1 0000000 rs2:5
 {
   # For v7, the entire simm13 field is present, but masked to 7 bits.
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 81de714aa6..c6e137a235 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -36,7 +36,9 @@ 
 #include "exec/helper-info.c.inc"
 #undef  HELPER_H
 
-#ifndef TARGET_SPARC64
+#ifdef TARGET_SPARC64
+#define gen_helper_rdpsr(D, E)     qemu_build_not_reached()
+#else
 #define gen_helper_rdccr(D, E)     qemu_build_not_reached()
 #endif
 
@@ -260,15 +262,14 @@  static void gen_move_Q(DisasContext *dc, unsigned int rd, unsigned int rs)
 /* moves */
 #ifdef CONFIG_USER_ONLY
 #define supervisor(dc) 0
-#ifdef TARGET_SPARC64
 #define hypervisor(dc) 0
-#endif
 #else
 #ifdef TARGET_SPARC64
 #define hypervisor(dc) (dc->hypervisor)
 #define supervisor(dc) (dc->supervisor | dc->hypervisor)
 #else
 #define supervisor(dc) (dc->supervisor)
+#define hypervisor(dc) 0
 #endif
 #endif
 
@@ -3334,6 +3335,72 @@  static TCGv do_rdstrand_status(DisasContext *dc, TCGv dst)
 
 TRANS(RDSTRAND_STATUS, HYPV, do_rd_special, true, a->rd, do_rdstrand_status)
 
+static TCGv do_rdpsr(DisasContext *dc, TCGv dst)
+{
+    update_psr(dc);
+    gen_helper_rdpsr(dst, tcg_env);
+    return dst;
+}
+
+TRANS(RDPSR, 32, do_rd_special, supervisor(dc), a->rd, do_rdpsr)
+
+static TCGv do_rdhpstate(DisasContext *dc, TCGv dst)
+{
+#ifdef TARGET_SPARC64
+    tcg_gen_ld_i64(dst, tcg_env, offsetof(CPUSPARCState, hpstate));
+    return dst;
+#else
+    qemu_build_not_reached();
+#endif
+}
+
+TRANS(RDHPR_hpstate, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdhpstate)
+
+static TCGv do_rdhintp(DisasContext *dc, TCGv dst)
+{
+#ifdef TARGET_SPARC64
+    return cpu_hintp;
+#else
+    qemu_build_not_reached();
+#endif
+}
+
+TRANS(RDHPR_hintp, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdhintp)
+
+static TCGv do_rdhtba(DisasContext *dc, TCGv dst)
+{
+#ifdef TARGET_SPARC64
+    return cpu_htba;
+#else
+    qemu_build_not_reached();
+#endif
+}
+
+TRANS(RDHPR_htba, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdhtba)
+
+static TCGv do_rdhver(DisasContext *dc, TCGv dst)
+{
+#ifdef TARGET_SPARC64
+    return cpu_hver;
+#else
+    qemu_build_not_reached();
+#endif
+}
+
+TRANS(RDHPR_hver, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdhver)
+
+static TCGv do_rdhstick_cmpr(DisasContext *dc, TCGv dst)
+{
+#ifdef TARGET_SPARC64
+    return cpu_hstick_cmpr;
+#else
+    qemu_build_not_reached();
+#endif
+}
+
+TRANS(RDHPR_hstick_cmpr, HYPV, do_rd_special, hypervisor(dc), a->rd,
+      do_rdhstick_cmpr)
+
 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
         goto illegal_insn;
@@ -3365,45 +3432,6 @@  static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
             TCGv cpu_tmp0 __attribute__((unused));
 
 #if !defined(CONFIG_USER_ONLY)
-            if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
-#ifndef TARGET_SPARC64
-                if (!supervisor(dc)) {
-                    goto priv_insn;
-                }
-                update_psr(dc);
-                gen_helper_rdpsr(cpu_dst, tcg_env);
-#else
-                CHECK_IU_FEATURE(dc, HYPV);
-                if (!hypervisor(dc))
-                    goto priv_insn;
-                rs1 = GET_FIELD(insn, 13, 17);
-                switch (rs1) {
-                case 0: // hpstate
-                    tcg_gen_ld_i64(cpu_dst, tcg_env,
-                                   offsetof(CPUSPARCState, hpstate));
-                    break;
-                case 1: // htstate
-                    // gen_op_rdhtstate();
-                    break;
-                case 3: // hintp
-                    tcg_gen_mov_tl(cpu_dst, cpu_hintp);
-                    break;
-                case 5: // htba
-                    tcg_gen_mov_tl(cpu_dst, cpu_htba);
-                    break;
-                case 6: // hver
-                    tcg_gen_mov_tl(cpu_dst, cpu_hver);
-                    break;
-                case 31: // hstick_cmpr
-                    tcg_gen_mov_tl(cpu_dst, cpu_hstick_cmpr);
-                    break;
-                default:
-                    goto illegal_insn;
-                }
-#endif
-                gen_store_gpr(dc, rd, cpu_dst);
-                break;
-            }
             if (xop == 0x2a) { /* rdwim / V9 rdpr */
                 if (!supervisor(dc)) {
                     goto priv_insn;