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target/sparc: implement asr17 feature for smp

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This allows the guest program to know its cpu id.

Co-developed-by: Frederic Konrad <konrad.frederic@yahoo.fr>
Signed-off-by: Clément Chigot <chigot@adacore.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240131085047.18458-6-chigot@adacore.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Clément Chigot 2024-01-31 09:50:43 +01:00 • committed by Philippe Mathieu-Daudé
parent 0fa5cd4a60
commit c92948f22b
3 changed files with 20 additions and 10 deletions
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13
target/sparc/translate.c
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@ -37,6 +37,7 @@
#ifdef TARGET_SPARC64
# define gen_helper_rdpsr(D, E) qemu_build_not_reached()
# define gen_helper_rdasr17(D, E) qemu_build_not_reached()
# define gen_helper_rett(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()
@ -2382,16 +2383,8 @@ static bool trans_RDY(DisasContext *dc, arg_RDY *a)
static TCGv do_rd_leon3_config(DisasContext *dc, TCGv dst)
{
uint32_t val;
/*
* TODO: There are many more fields to be filled,
* some of which are writable.
*/
val = dc->def->nwindows - 1; /* [4:0] NWIN */
val |= 1 << 8; /* [8] V8 */
return tcg_constant_tl(val);
gen_helper_rdasr17(dst, tcg_env);
return dst;
}
TRANS(RDASR17, ASR17, do_rd_special, true, a->rd, do_rd_leon3_config)