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Searched refs:zcr (Results 1 – 2 of 2) sorted by relevance

/Linux-v5.15/arch/arm64/kernel/
Dfpsimd.c700 unsigned long zcr; in sve_probe_vqs() local
704 zcr = ZCR_ELx_LEN_MASK; in sve_probe_vqs()
705 zcr = read_sysreg_s(SYS_ZCR_EL1) & ~zcr; in sve_probe_vqs()
708 write_sysreg_s(zcr | (vq - 1), SYS_ZCR_EL1); /* self-syncing */ in sve_probe_vqs()
832 u64 zcr; in read_zcr_features() local
842 zcr = read_sysreg_s(SYS_ZCR_EL1); in read_zcr_features()
843 zcr &= ~(u64)ZCR_ELx_LEN_MASK; /* find sticky 1s outside LEN field */ in read_zcr_features()
845 zcr |= vq_max - 1; /* set LEN field to maximum effective value */ in read_zcr_features()
847 return zcr; in read_zcr_features()
852 u64 zcr; in sve_setup() local
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Dcpufeature.c2737 u64 zcr = read_zcr_features(); in verify_sve_features() local
2740 unsigned int len = zcr & ZCR_ELx_LEN_MASK; in verify_sve_features()