diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-07-23 10:33:43 -1000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-07-27 10:57:40 +0100 |
| commit | ce440581c1446e56d911d83c9c3b760ae4f98b3e (patch) | |
| tree | fdd95428208564482839a02649a0e25253463842 | |
| parent | dc0bc8e7855643c4c2aaff74409bada9761b390e (diff) | |
target/arm: Export aarch64_sve_zcr_get_valid_len
Rename from sve_zcr_get_valid_len and make accessible
from outside of helper.c.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210723203344.968563-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/helper.c | 4 | ||||
| -rw-r--r-- | target/arm/internals.h | 10 |
2 files changed, 12 insertions, 2 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 8c1d8dbce3..155d8bf239 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6457,7 +6457,7 @@ int sve_exception_el(CPUARMState *env, int el) return 0; } -static uint32_t sve_zcr_get_valid_len(ARMCPU *cpu, uint32_t start_len) +uint32_t aarch64_sve_zcr_get_valid_len(ARMCPU *cpu, uint32_t start_len) { uint32_t end_len; @@ -6489,7 +6489,7 @@ uint32_t sve_zcr_len_for_el(CPUARMState *env, int el) zcr_len = MIN(zcr_len, 0xf & (uint32_t)env->vfp.zcr_el[3]); } - return sve_zcr_get_valid_len(cpu, zcr_len); + return aarch64_sve_zcr_get_valid_len(cpu, zcr_len); } static void zcr_write(CPUARMState *env, const ARMCPRegInfo *ri, diff --git a/target/arm/internals.h b/target/arm/internals.h index 11a72013f5..cd2ea8a388 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -177,6 +177,16 @@ void arm_translate_init(void); void arm_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb); #endif /* CONFIG_TCG */ +/** + * aarch64_sve_zcr_get_valid_len: + * @cpu: cpu context + * @start_len: maximum len to consider + * + * Return the maximum supported sve vector length <= @start_len. + * Note that both @start_len and the return value are in units + * of ZCR_ELx.LEN, so the vector bit length is (x + 1) * 128. + */ +uint32_t aarch64_sve_zcr_get_valid_len(ARMCPU *cpu, uint32_t start_len); enum arm_fprounding { FPROUNDING_TIEEVEN, |