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target/loongarch: Add LA v1.1 instructions to max cpu

Add LA v1.1 new instructinos to max cpu by enabling new features in
CPUCFG2.

Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
pull/319/head
Jiajie Chen 4 months ago
committed by Song Gao
parent
commit
59c8adc283
  1. 11
      target/loongarch/cpu.c

11
target/loongarch/cpu.c

@ -417,7 +417,16 @@ static void loongarch_max_initfn(Object *obj)
if (tcg_enabled()) {
cpu->env.cpucfg[1] = FIELD_DP32(cpu->env.cpucfg[1], CPUCFG1, MSG_INT, 1);
cpu->msgint = ON_OFF_AUTO_AUTO;
cpu->env.cpucfg[2] = FIELD_DP32(cpu->env.cpucfg[2], CPUCFG2, HPTW, 1);
uint32_t data = cpu->env.cpucfg[2];
data = FIELD_DP32(data, CPUCFG2, HPTW, 1);
/* Enable LA v1.1 instructions */
data = FIELD_DP32(data, CPUCFG2, FRECIPE, 1);
data = FIELD_DP32(data, CPUCFG2, LAM_BH, 1);
data = FIELD_DP32(data, CPUCFG2, LAMCAS, 1);
data = FIELD_DP32(data, CPUCFG2, LLACQ_SCREL, 1);
data = FIELD_DP32(data, CPUCFG2, SCQ, 1);
cpu->env.cpucfg[2] = data;
}
}

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