Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/sparc/insns.decode | 21 +++
target/sparc/translate.c | 315 ++++++++++++++++++++++----------------
2 files changed, 200 insertions(+), 136 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 45cf47a32f..f478999ee1 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -117,6 +117,27 @@ RDPR_gl 10 rd:5 101010 10000 0 0000000000000
RDPR_strand_status 10 rd:5 101010 11010 0 0000000000000
RDPR_ver 10 rd:5 101010 11111 0 0000000000000
+{
+ WRWIM 10 00000 110010 ..... . ............. @n_r_ri
+ WRPR_tpc 10 00000 110010 ..... . ............. @n_r_ri
+}
+WRPR_tnpc 10 00001 110010 ..... . ............. @n_r_ri
+WRPR_tstate 10 00010 110010 ..... . ............. @n_r_ri
+WRPR_tt 10 00011 110010 ..... . ............. @n_r_ri
+WRPR_tick 10 00100 110010 ..... . ............. @n_r_ri
+WRPR_tba 10 00101 110010 ..... . ............. @n_r_ri
+WRPR_pstate 10 00110 110010 ..... . ............. @n_r_ri
+WRPR_tl 10 00111 110010 ..... . ............. @n_r_ri
+WRPR_pil 10 01000 110010 ..... . ............. @n_r_ri
+WRPR_cwp 10 01001 110010 ..... . ............. @n_r_ri
+WRPR_cansave 10 01010 110010 ..... . ............. @n_r_ri
+WRPR_canrestore 10 01011 110010 ..... . ............. @n_r_ri
+WRPR_cleanwin 10 01100 110010 ..... . ............. @n_r_ri
+WRPR_otherwin 10 01101 110010 ..... . ............. @n_r_ri
+WRPR_wstate 10 01110 110010 ..... . ............. @n_r_ri
+WRPR_gl 10 10000 110010 ..... . ............. @n_r_ri
+WRPR_strand_status 10 11010 110010 ..... . ............. @n_r_ri
+
{
FLUSHW 10 00000 101011 00000 0 0000000000000
RDTBR 10 rd:5 101011 00000 0 0000000000000
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 58ea3b2ba7..9b82e2bf6f 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -49,8 +49,13 @@
# define gen_helper_saved(E) qemu_build_not_reached()
# define gen_helper_set_softint(E, S) qemu_build_not_reached()
# define gen_helper_tick_get_count(D, E, T, C) qemu_build_not_reached()
+# define gen_helper_tick_set_count(P, S) qemu_build_not_reached()
# define gen_helper_wrccr(E, S) qemu_build_not_reached()
+# define gen_helper_wrcwp(E, S) qemu_build_not_reached()
+# define gen_helper_wrgl(E, S) qemu_build_not_reached()
# define gen_helper_write_softint(E, S) qemu_build_not_reached()
+# define gen_helper_wrpil(E, S) qemu_build_not_reached()
+# define gen_helper_wrpstate(E, S) qemu_build_not_reached()
# define MAXTL_MASK 0
#endif
@@ -3758,6 +3763,178 @@ static void do_wrpsr(DisasContext *dc, TCGv src)
TRANS(WRPSR, 32, do_wr_special, a, supervisor(dc), do_wrpsr)
+static void do_wrwim(DisasContext *dc, TCGv src)
+{
+ target_ulong mask = MAKE_64BIT_MASK(0, dc->def->nwindows);
+ tcg_gen_andi_tl(cpu_wim, src, mask);
+}
+
+TRANS(WRWIM, 32, do_wr_special, a, supervisor(dc), do_wrwim)
+
+static void do_wrtpc(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ TCGv_ptr r_tsptr = tcg_temp_new_ptr();
+
+ gen_load_trap_state_at_tl(r_tsptr);
+ tcg_gen_st_tl(src, r_tsptr, offsetof(trap_state, tpc));
+#else
+ qemu_build_not_reached();
+#endif
+}
+
+TRANS(WRPR_tpc, 64, do_wr_special, a, supervisor(dc), do_wrtpc)
+
+static void do_wrtnpc(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ TCGv_ptr r_tsptr = tcg_temp_new_ptr();
+
+ gen_load_trap_state_at_tl(r_tsptr);
+ tcg_gen_st_tl(src, r_tsptr, offsetof(trap_state, tnpc));
+#else
+ qemu_build_not_reached();
+#endif
+}
+
+TRANS(WRPR_tnpc, 64, do_wr_special, a, supervisor(dc), do_wrtnpc)
+
+static void do_wrtstate(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ TCGv_ptr r_tsptr = tcg_temp_new_ptr();
+
+ gen_load_trap_state_at_tl(r_tsptr);
+ tcg_gen_st_tl(src, r_tsptr, offsetof(trap_state, tstate));
+#else
+ qemu_build_not_reached();
+#endif
+}
+
+TRANS(WRPR_tstate, 64, do_wr_special, a, supervisor(dc), do_wrtstate)
+
+static void do_wrtt(DisasContext *dc, TCGv src)
+{
+#ifdef TARGET_SPARC64
+ TCGv_ptr r_tsptr = tcg_temp_new_ptr();
+
+ gen_load_trap_state_at_tl(r_tsptr);
+ tcg_gen_st32_tl(src, r_tsptr, offsetof(trap_state, tt));
+#else
+ qemu_build_not_reached();
+#endif
+}
+
+TRANS(WRPR_tt, 64, do_wr_special, a, supervisor(dc), do_wrtt)
+
+static void do_wrtick(DisasContext *dc, TCGv src)
+{
+ TCGv_ptr r_tickptr = tcg_temp_new_ptr();
+
+ tcg_gen_ld_ptr(r_tickptr, tcg_env, env64_field_offsetof(tick));
+ translator_io_start(&dc->base);
+ gen_helper_tick_set_count(r_tickptr, src);
+ /* End TB to handle timer interrupt */
+ dc->base.is_jmp = DISAS_EXIT;
+}
+
+TRANS(WRPR_tick, 64, do_wr_special, a, supervisor(dc), do_wrtick)
+
+static void do_wrtba(DisasContext *dc, TCGv src)
+{
+ tcg_gen_mov_tl(cpu_tbr, src);
+}
+
+TRANS(WRPR_tba, 64, do_wr_special, a, supervisor(dc), do_wrtba)
+
+static void do_wrpstate(DisasContext *dc, TCGv src)
+{
+ save_state(dc);
+ if (translator_io_start(&dc->base)) {
+ dc->base.is_jmp = DISAS_EXIT;
+ }
+ gen_helper_wrpstate(tcg_env, src);
+ dc->npc = DYNAMIC_PC;
+}
+
+TRANS(WRPR_pstate, 64, do_wr_special, a, supervisor(dc), do_wrpstate)
+
+static void do_wrtl(DisasContext *dc, TCGv src)
+{
+ save_state(dc);
+ tcg_gen_st32_tl(src, tcg_env, env64_field_offsetof(tl));
+ dc->npc = DYNAMIC_PC;
+}
+
+TRANS(WRPR_tl, 64, do_wr_special, a, supervisor(dc), do_wrtl)
+
+static void do_wrpil(DisasContext *dc, TCGv src)
+{
+ if (translator_io_start(&dc->base)) {
+ dc->base.is_jmp = DISAS_EXIT;
+ }
+ gen_helper_wrpil(tcg_env, src);
+}
+
+TRANS(WRPR_pil, 64, do_wr_special, a, supervisor(dc), do_wrpil)
+
+static void do_wrcwp(DisasContext *dc, TCGv src)
+{
+ gen_helper_wrcwp(tcg_env, src);
+}
+
+TRANS(WRPR_cwp, 64, do_wr_special, a, supervisor(dc), do_wrcwp)
+
+static void do_wrcansave(DisasContext *dc, TCGv src)
+{
+ tcg_gen_st32_tl(src, tcg_env, env64_field_offsetof(cansave));
+}
+
+TRANS(WRPR_cansave, 64, do_wr_special, a, supervisor(dc), do_wrcansave)
+
+static void do_wrcanrestore(DisasContext *dc, TCGv src)
+{
+ tcg_gen_st32_tl(src, tcg_env, env64_field_offsetof(canrestore));
+}
+
+TRANS(WRPR_canrestore, 64, do_wr_special, a, supervisor(dc), do_wrcanrestore)
+
+static void do_wrcleanwin(DisasContext *dc, TCGv src)
+{
+ tcg_gen_st32_tl(src, tcg_env, env64_field_offsetof(cleanwin));
+}
+
+TRANS(WRPR_cleanwin, 64, do_wr_special, a, supervisor(dc), do_wrcleanwin)
+
+static void do_wrotherwin(DisasContext *dc, TCGv src)
+{
+ tcg_gen_st32_tl(src, tcg_env, env64_field_offsetof(otherwin));
+}
+
+TRANS(WRPR_otherwin, 64, do_wr_special, a, supervisor(dc), do_wrotherwin)
+
+static void do_wrwstate(DisasContext *dc, TCGv src)
+{
+ tcg_gen_st32_tl(src, tcg_env, env64_field_offsetof(wstate));
+}
+
+TRANS(WRPR_wstate, 64, do_wr_special, a, supervisor(dc), do_wrwstate)
+
+static void do_wrgl(DisasContext *dc, TCGv src)
+{
+ gen_helper_wrgl(tcg_env, src);
+}
+
+TRANS(WRPR_gl, GL, do_wr_special, a, supervisor(dc), do_wrgl)
+
+/* UA2005 strand status */
+static void do_wrssr(DisasContext *dc, TCGv src)
+{
+ tcg_gen_mov_tl(cpu_ssr, src);
+}
+
+TRANS(WRPR_strand_status, HYPV, do_wr_special, a, hypervisor(dc), do_wrssr)
+
static bool do_saved_restored(DisasContext *dc, bool saved)
{
if (!supervisor(dc)) {
@@ -4448,142 +4625,8 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
case 0x30:
goto illegal_insn; /* WRASR in decodetree */
#if !defined(CONFIG_USER_ONLY)
- case 0x32: /* wrwim, V9 wrpr */
- {
- if (!supervisor(dc))
- goto priv_insn;
- cpu_tmp0 = tcg_temp_new();
- tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
-#ifdef TARGET_SPARC64
- switch (rd) {
- case 0: // tpc
- {
- TCGv_ptr r_tsptr;
-
- r_tsptr = tcg_temp_new_ptr();
- gen_load_trap_state_at_tl(r_tsptr);
- tcg_gen_st_tl(cpu_tmp0, r_tsptr,
- offsetof(trap_state, tpc));
- }
- break;
- case 1: // tnpc
- {
- TCGv_ptr r_tsptr;
-
- r_tsptr = tcg_temp_new_ptr();
- gen_load_trap_state_at_tl(r_tsptr);
- tcg_gen_st_tl(cpu_tmp0, r_tsptr,
- offsetof(trap_state, tnpc));
- }
- break;
- case 2: // tstate
- {
- TCGv_ptr r_tsptr;
-
- r_tsptr = tcg_temp_new_ptr();
- gen_load_trap_state_at_tl(r_tsptr);
- tcg_gen_st_tl(cpu_tmp0, r_tsptr,
- offsetof(trap_state,
- tstate));
- }
- break;
- case 3: // tt
- {
- TCGv_ptr r_tsptr;
-
- r_tsptr = tcg_temp_new_ptr();
- gen_load_trap_state_at_tl(r_tsptr);
- tcg_gen_st32_tl(cpu_tmp0, r_tsptr,
- offsetof(trap_state, tt));
- }
- break;
- case 4: // tick
- {
- TCGv_ptr r_tickptr;
-
- r_tickptr = tcg_temp_new_ptr();
- tcg_gen_ld_ptr(r_tickptr, tcg_env,
- offsetof(CPUSPARCState, tick));
- translator_io_start(&dc->base);
- gen_helper_tick_set_count(r_tickptr,
- cpu_tmp0);
- /* End TB to handle timer interrupt */
- dc->base.is_jmp = DISAS_EXIT;
- }
- break;
- case 5: // tba
- tcg_gen_mov_tl(cpu_tbr, cpu_tmp0);
- break;
- case 6: // pstate
- save_state(dc);
- if (translator_io_start(&dc->base)) {
- dc->base.is_jmp = DISAS_EXIT;
- }
- gen_helper_wrpstate(tcg_env, cpu_tmp0);
- dc->npc = DYNAMIC_PC;
- break;
- case 7: // tl
- save_state(dc);
- tcg_gen_st32_tl(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState, tl));
- dc->npc = DYNAMIC_PC;
- break;
- case 8: // pil
- if (translator_io_start(&dc->base)) {
- dc->base.is_jmp = DISAS_EXIT;
- }
- gen_helper_wrpil(tcg_env, cpu_tmp0);
- break;
- case 9: // cwp
- gen_helper_wrcwp(tcg_env, cpu_tmp0);
- break;
- case 10: // cansave
- tcg_gen_st32_tl(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState,
- cansave));
- break;
- case 11: // canrestore
- tcg_gen_st32_tl(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState,
- canrestore));
- break;
- case 12: // cleanwin
- tcg_gen_st32_tl(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState,
- cleanwin));
- break;
- case 13: // otherwin
- tcg_gen_st32_tl(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState,
- otherwin));
- break;
- case 14: // wstate
- tcg_gen_st32_tl(cpu_tmp0, tcg_env,
- offsetof(CPUSPARCState,
- wstate));
- break;
- case 16: // UA2005 gl
- CHECK_IU_FEATURE(dc, GL);
- gen_helper_wrgl(tcg_env, cpu_tmp0);
- break;
- case 26: // UA2005 strand status
- CHECK_IU_FEATURE(dc, HYPV);
- if (!hypervisor(dc))
- goto priv_insn;
- tcg_gen_mov_tl(cpu_ssr, cpu_tmp0);
- break;
- default:
- goto illegal_insn;
- }
-#else
- tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0);
- if (dc->def->nwindows != 32) {
- tcg_gen_andi_tl(cpu_wim, cpu_wim,
- (1 << dc->def->nwindows) - 1);
- }
-#endif
- }
- break;
+ case 0x32:
+ goto illegal_insn; /* WRPR in decodetree */
case 0x33: /* wrtbr, UA2005 wrhpr */
{
#ifndef TARGET_SPARC64
--
2.34.1