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target/sparc: Move WRPSR, SAVED, RESTORED to decodetree

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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>
This commit is contained in:
Richard Henderson 2023-10-02 07:38:42 -07:00
parent 0faef01b39
commit 25524734c6
2 changed files with 39 additions and 33 deletions
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10
target/sparc/insns.decode
View File

@ -85,6 +85,16 @@ 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
{
WRPSR 10 00000 110001 ..... . ............. @n_r_ri
SAVED 10 00000 110001 00000 0 0000000000000
}
RESTORED 10 00001 110001 00000 0 0000000000000
# UA2005 ALLCLEAN
# UA2005 OTHERW
# UA2005 NORMALW
# UA2005 INVALW
{
RDWIM 10 rd:5 101010 00000 0 0000000000000
RDPR_tpc 10 rd:5 101010 00000 0 0000000000000

62
target/sparc/translate.c
View File

@ -39,11 +39,14 @@
#ifdef TARGET_SPARC64
# define gen_helper_rdpsr(D, E) qemu_build_not_reached()
# define gen_helper_power_down(E) qemu_build_not_reached()
# define gen_helper_wrpsr(E, S) qemu_build_not_reached()
#else
# define gen_helper_clear_softint(E, S) qemu_build_not_reached()
# define gen_helper_flushw(E) qemu_build_not_reached()
# define gen_helper_rdccr(D, E) qemu_build_not_reached()
# define gen_helper_rdcwp(D, E) qemu_build_not_reached()
# define gen_helper_restored(E) qemu_build_not_reached()
# 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_wrccr(E, S) qemu_build_not_reached()
@ -3745,6 +3748,32 @@ static void do_wrpowerdown(DisasContext *dc, TCGv src)
TRANS(WRPOWERDOWN, POWERDOWN, do_wr_special, a, supervisor(dc), do_wrpowerdown)
static void do_wrpsr(DisasContext *dc, TCGv src)
{
gen_helper_wrpsr(tcg_env, src);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
dc->cc_op = CC_OP_FLAGS;
dc->base.is_jmp = DISAS_EXIT;
}
TRANS(WRPSR, 32, do_wr_special, a, supervisor(dc), do_wrpsr)
static bool do_saved_restored(DisasContext *dc, bool saved)
{
if (!supervisor(dc)) {
return raise_priv(dc);
}
if (saved) {
gen_helper_saved(tcg_env);
} else {
gen_helper_restored(tcg_env);
}
return advance_pc(dc);
}
TRANS(SAVED, 64, do_saved_restored, true)
TRANS(RESTORED, 64, do_saved_restored, false)
static bool trans_NOP_v7(DisasContext *dc, arg_NOP_v7 *a)
{
/*
@ -4419,39 +4448,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
case 0x30:
goto illegal_insn; /* WRASR in decodetree */
#if !defined(CONFIG_USER_ONLY)
case 0x31: /* wrpsr, V9 saved, restored */
{
if (!supervisor(dc))
goto priv_insn;
#ifdef TARGET_SPARC64
switch (rd) {
case 0:
gen_helper_saved(tcg_env);
break;
case 1:
gen_helper_restored(tcg_env);
break;
case 2: /* UA2005 allclean */
case 3: /* UA2005 otherw */
case 4: /* UA2005 normalw */
case 5: /* UA2005 invalw */
// XXX
default:
goto illegal_insn;
}
#else
cpu_tmp0 = tcg_temp_new();
tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
gen_helper_wrpsr(tcg_env, cpu_tmp0);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
dc->cc_op = CC_OP_FLAGS;
save_state(dc);
gen_op_next_insn();
tcg_gen_exit_tb(NULL, 0);
dc->base.is_jmp = DISAS_NORETURN;
#endif
}
break;
case 0x32: /* wrwim, V9 wrpr */
{
if (!supervisor(dc))