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[PATCH v3 01/18] target/loongarch: Add function to check current arch
From: |
Song Gao |
Subject: |
[PATCH v3 01/18] target/loongarch: Add function to check current arch |
Date: |
Thu, 17 Aug 2023 17:31:04 +0800 |
From: Jiajie Chen <c@jia.je>
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>
---
target/loongarch/cpu.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h
index fa371ca8ba..5a71d64a04 100644
--- a/target/loongarch/cpu.h
+++ b/target/loongarch/cpu.h
@@ -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)
@@ -420,6 +425,11 @@ 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.
*/
--
2.39.1
- [PATCH v3 00/18] Add some checks before translating instructions, Song Gao, 2023/08/17
- [PATCH v3 07/18] target/loongarch: Add LA64 & VA32 to DisasContext, Song Gao, 2023/08/17
- [PATCH v3 01/18] target/loongarch: Add function to check current arch,
Song Gao <=
- [PATCH v3 04/18] target/loongarch: Support LoongArch32 TLB entry, Song Gao, 2023/08/17
- [PATCH v3 03/18] target/loongarch: Add GDB support for loongarch32 mode, Song Gao, 2023/08/17
- [PATCH v3 09/18] target/loongarch: Sign extend results in VA32 mode, Song Gao, 2023/08/17
- [PATCH v3 02/18] target/loongarch: Add new object class for loongarch32 cpus, Song Gao, 2023/08/17
- [PATCH v3 06/18] target/loongarch: Support LoongArch32 VPPN, Song Gao, 2023/08/17
- [PATCH v3 08/18] target/loongarch: Truncate high 32 bits of address in VA32 mode, Song Gao, 2023/08/17