@@ -143,6 +143,15 @@ WRPR_strand_status 10 11010 110010 ..... . ............. @n_r_ri
RDTBR 10 rd:5 101011 00000 0 0000000000000
}
+{
+ WRTBR 10 00000 110011 ..... . ............. @n_r_ri
+ WRHPR_hpstate 10 00000 110011 ..... . ............. @n_r_ri
+}
+WRHPR_htstate 10 00001 110011 ..... . ............. @n_r_ri
+WRHPR_hintp 10 00011 110011 ..... . ............. @n_r_ri
+WRHPR_htba 10 00101 110011 ..... . ............. @n_r_ri
+WRHPR_hstick_cmpr 10 11111 110011 ..... . ............. @n_r_ri
+
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.
@@ -4052,6 +4052,81 @@ static void do_wrssr(DisasContext *dc, TCGv src)
TRANS(WRPR_strand_status, HYPV, do_wr_special, a, hypervisor(dc), do_wrssr)
+TRANS(WRTBR, 32, do_wr_special, a, supervisor(dc), do_wrtba)
+
+static void do_wrhpstate(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ tcg_gen_st_i64(src, tcg_env, offsetof(CPUSPARCState, hpstate));
+ dc->base.is_jmp = DISAS_EXIT;
+#else
+ g_assert_not_reached();
+#endif
+}
+
+TRANS(WRHPR_hpstate, HYPV, do_wr_special, a, hypervisor(dc), do_wrhpstate)
+
+static void do_wrhtstate(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ TCGv_i32 tl = tcg_temp_new_i32();
+ TCGv_ptr tp = tcg_temp_new_ptr();
+
+ tcg_gen_ld_i32(tl, tcg_env, offsetof(CPUSPARCState, tl));
+ tcg_gen_andi_i32(tl, tl, MAXTL_MASK);
+ tcg_gen_shli_i32(tl, tl, 3);
+ tcg_gen_ext_i32_ptr(tp, tl);
+ tcg_gen_add_ptr(tp, tp, tcg_env);
+
+ tcg_gen_st_i64(src, tp, offsetof(CPUSPARCState, htstate));
+#else
+ qemu_build_not_reached();
+#endif
+}
+
+TRANS(WRHPR_htstate, HYPV, do_wr_special, a, hypervisor(dc), do_wrhtstate)
+
+static void do_wrhintp(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ tcg_gen_mov_tl(cpu_hintp, src);
+#else
+ g_assert_not_reached();
+#endif
+}
+
+TRANS(WRHPR_hintp, HYPV, do_wr_special, a, hypervisor(dc), do_wrhintp)
+
+static void do_wrhtba(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ tcg_gen_mov_tl(cpu_htba, src);
+#else
+ g_assert_not_reached();
+#endif
+}
+
+TRANS(WRHPR_htba, HYPV, do_wr_special, a, hypervisor(dc), do_wrhtba)
+
+static void do_wrhstick_cmpr(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ TCGv_ptr r_tickptr = tcg_temp_new_ptr();
+
+ tcg_gen_mov_tl(cpu_hstick_cmpr, src);
+ tcg_gen_ld_ptr(r_tickptr, tcg_env, offsetof(CPUSPARCState, hstick));
+ translator_io_start(&dc->base);
+ gen_helper_tick_set_limit(r_tickptr, cpu_hstick_cmpr);
+ /* End TB to handle timer interrupt */
+ dc->base.is_jmp = DISAS_EXIT;
+#else
+ g_assert_not_reached();
+#endif
+}
+
+TRANS(WRHPR_hstick_cmpr, HYPV, do_wr_special, a, hypervisor(dc),
+ do_wrhstick_cmpr)
+
static bool do_saved_restored(DisasContext *dc, void (*func)(TCGv_env))
{
if (!supervisor(dc)) {
@@ -4737,63 +4812,10 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
#endif
case 0x30:
goto illegal_insn; /* WRASR in decodetree */
-#if !defined(CONFIG_USER_ONLY)
case 0x32:
goto illegal_insn; /* WRPR in decodetree */
case 0x33: /* wrtbr, UA2005 wrhpr */
- {
-#ifndef TARGET_SPARC64
- if (!supervisor(dc))
- goto priv_insn;
- tcg_gen_xor_tl(cpu_tbr, cpu_src1, cpu_src2);
-#else
- CHECK_IU_FEATURE(dc, HYPV);
- if (!hypervisor(dc))
- goto priv_insn;
- cpu_tmp0 = tcg_temp_new();
- tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
- switch (rd) {
- case 0: // hpstate
- tcg_gen_st_i64(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState,
- hpstate));
- save_state(dc);
- gen_op_next_insn();
- tcg_gen_exit_tb(NULL, 0);
- dc->base.is_jmp = DISAS_NORETURN;
- break;
- case 1: // htstate
- // XXX gen_op_wrhtstate();
- break;
- case 3: // hintp
- tcg_gen_mov_tl(cpu_hintp, cpu_tmp0);
- break;
- case 5: // htba
- tcg_gen_mov_tl(cpu_htba, cpu_tmp0);
- break;
- case 31: // hstick_cmpr
- {
- TCGv_ptr r_tickptr;
-
- tcg_gen_mov_tl(cpu_hstick_cmpr, cpu_tmp0);
- r_tickptr = tcg_temp_new_ptr();
- tcg_gen_ld_ptr(r_tickptr, tcg_env,
- offsetof(CPUSPARCState, hstick));
- translator_io_start(&dc->base);
- gen_helper_tick_set_limit(r_tickptr,
- cpu_hstick_cmpr);
- /* End TB to handle timer interrupt */
- dc->base.is_jmp = DISAS_EXIT;
- }
- break;
- case 6: // hver readonly
- default:
- goto illegal_insn;
- }
-#endif
- }
- break;
-#endif
+ goto illegal_insn; /* WRTBR, WRHPR in decodetree */
#ifdef TARGET_SPARC64
case 0x2c: /* V9 movcc */
{
Implement htstate in the obvious way. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/sparc/insns.decode | 9 +++ target/sparc/translate.c | 130 ++++++++++++++++++++++---------------- 2 files changed, 85 insertions(+), 54 deletions(-)