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target/loongarch: Add function to check current arch

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Add is_la64 function to check if the current cpucfg[1].arch equals to
2(LA64).

Signed-off-by: Jiajie Chen <c@jia.je>
Co-authored-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-ID: <20230817093121.1053890-2-gaosong@loongson.cn>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230821125959.28666-7-philmd@linaro.org>
This commit is contained in:
Jiajie Chen 2023-08-21 14:59:57 +02:00 committed by Song Gao
parent e389358e56
commit 19f82a4a6a
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1 changed files with 10 additions and 0 deletions
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10
target/loongarch/cpu.h
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@ -132,6 +132,11 @@ FIELD(CPUCFG1, HP, 24, 1)
FIELD(CPUCFG1, IOCSR_BRD, 25, 1)
FIELD(CPUCFG1, MSG_INT, 26, 1)
/* cpucfg[1].arch */
#define CPUCFG1_ARCH_LA32R 0
#define CPUCFG1_ARCH_LA32 1
#define CPUCFG1_ARCH_LA64 2
/* cpucfg[2] bits */
FIELD(CPUCFG2, FP, 0, 1)
FIELD(CPUCFG2, FP_SP, 1, 1)
@ -421,6 +426,11 @@ static inline int cpu_mmu_index(CPULoongArchState *env, bool ifetch)
#endif
}
static inline bool is_la64(CPULoongArchState *env)
{
return FIELD_EX32(env->cpucfg[1], CPUCFG1, ARCH) == CPUCFG1_ARCH_LA64;
}
/*
* LoongArch CPUs hardware flags.
*/