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target/sparc: Remove cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr

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Use direct loads and stores to env instead.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-22 14:19:29 -07:00
parent cd6269f7c9
commit 577efa4557
1 changed files with 14 additions and 27 deletions
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41
target/sparc/translate.c
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@ -82,18 +82,14 @@ static TCGv cpu_cond;
#ifdef TARGET_SPARC64
static TCGv_i32 cpu_xcc, cpu_fprs;
static TCGv cpu_gsr;
static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
#else
# define cpu_fprs ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_gsr ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_hintp ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_hstick_cmpr ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_htba ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_hver ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_ssr ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_stick_cmpr ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_tick_cmpr ({ qemu_build_not_reached(); (TCGv)NULL; })
# define cpu_ver ({ qemu_build_not_reached(); (TCGv)NULL; })
#endif
/* Floating point registers */
@ -3307,7 +3303,8 @@ TRANS(RDSOFTINT, 64, do_rd_special, supervisor(dc), a->rd, do_rdsoftint)
static TCGv do_rdtick_cmpr(DisasContext *dc, TCGv dst)
{
return cpu_tick_cmpr;
tcg_gen_ld_tl(dst, tcg_env, env64_field_offsetof(tick_cmpr));
return dst;
}
/* TODO: non-priv access only allowed when enabled. */
@ -3331,7 +3328,8 @@ TRANS(RDSTICK, 64, do_rd_special, true, a->rd, do_rdstick)
static TCGv do_rdstick_cmpr(DisasContext *dc, TCGv dst)
{
return cpu_stick_cmpr;
tcg_gen_ld_tl(dst, tcg_env, env64_field_offsetof(stick_cmpr));
return dst;
}
/* TODO: supervisor access only allowed when enabled by hypervisor. */
@ -3406,7 +3404,8 @@ TRANS(RDHPR_hver, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdhver)
static TCGv do_rdhstick_cmpr(DisasContext *dc, TCGv dst)
{
return cpu_hstick_cmpr;
tcg_gen_ld_tl(dst, tcg_env, env64_field_offsetof(hstick_cmpr));
return dst;
}
TRANS(RDHPR_hstick_cmpr, HYPV, do_rd_special, hypervisor(dc), a->rd,
@ -3696,18 +3695,14 @@ TRANS(WRSOFTINT, 64, do_wr_special, a, supervisor(dc), do_wrsoftint)
static void do_wrtick_cmpr(DisasContext *dc, TCGv src)
{
#ifdef TARGET_SPARC64
TCGv_ptr r_tickptr = tcg_temp_new_ptr();
tcg_gen_mov_tl(cpu_tick_cmpr, src);
tcg_gen_ld_ptr(r_tickptr, tcg_env, offsetof(CPUSPARCState, tick));
tcg_gen_st_tl(src, tcg_env, env64_field_offsetof(tick_cmpr));
tcg_gen_ld_ptr(r_tickptr, tcg_env, env64_field_offsetof(tick));
translator_io_start(&dc->base);
gen_helper_tick_set_limit(r_tickptr, cpu_tick_cmpr);
gen_helper_tick_set_limit(r_tickptr, src);
/* End TB to handle timer interrupt */
dc->base.is_jmp = DISAS_EXIT;
#else
qemu_build_not_reached();
#endif
}
TRANS(WRTICK_CMPR, 64, do_wr_special, a, supervisor(dc), do_wrtick_cmpr)
@ -3731,18 +3726,14 @@ TRANS(WRSTICK, 64, do_wr_special, a, supervisor(dc), do_wrstick)
static void do_wrstick_cmpr(DisasContext *dc, TCGv src)
{
#ifdef TARGET_SPARC64
TCGv_ptr r_tickptr = tcg_temp_new_ptr();
tcg_gen_mov_tl(cpu_stick_cmpr, src);
tcg_gen_ld_ptr(r_tickptr, tcg_env, offsetof(CPUSPARCState, stick));
tcg_gen_st_tl(src, tcg_env, env64_field_offsetof(stick_cmpr));
tcg_gen_ld_ptr(r_tickptr, tcg_env, env64_field_offsetof(stick));
translator_io_start(&dc->base);
gen_helper_tick_set_limit(r_tickptr, cpu_stick_cmpr);
gen_helper_tick_set_limit(r_tickptr, src);
/* End TB to handle timer interrupt */
dc->base.is_jmp = DISAS_EXIT;
#else
qemu_build_not_reached();
#endif
}
TRANS(WRSTICK_CMPR, 64, do_wr_special, a, supervisor(dc), do_wrstick_cmpr)
@ -3984,10 +3975,10 @@ static void do_wrhstick_cmpr(DisasContext *dc, TCGv src)
{
TCGv_ptr r_tickptr = tcg_temp_new_ptr();
tcg_gen_mov_tl(cpu_hstick_cmpr, src);
tcg_gen_st_tl(src, tcg_env, env64_field_offsetof(hstick_cmpr));
tcg_gen_ld_ptr(r_tickptr, tcg_env, env64_field_offsetof(hstick));
translator_io_start(&dc->base);
gen_helper_tick_set_limit(r_tickptr, cpu_hstick_cmpr);
gen_helper_tick_set_limit(r_tickptr, src);
/* End TB to handle timer interrupt */
dc->base.is_jmp = DISAS_EXIT;
}
@ -5951,10 +5942,6 @@ void sparc_tcg_init(void)
static const struct { TCGv *ptr; int off; const char *name; } rtl[] = {
#ifdef TARGET_SPARC64
{ &cpu_gsr, offsetof(CPUSPARCState, gsr), "gsr" },
{ &cpu_tick_cmpr, offsetof(CPUSPARCState, tick_cmpr), "tick_cmpr" },
{ &cpu_stick_cmpr, offsetof(CPUSPARCState, stick_cmpr), "stick_cmpr" },
{ &cpu_hstick_cmpr, offsetof(CPUSPARCState, hstick_cmpr),
"hstick_cmpr" },
{ &cpu_hintp, offsetof(CPUSPARCState, hintp), "hintp" },
{ &cpu_htba, offsetof(CPUSPARCState, htba), "htba" },
{ &cpu_hver, offsetof(CPUSPARCState, hver), "hver" },