9989f41fd3
- add arm64 dependent codes with GICv3 and SVE support - fix bugs based on architecture separation requests
18 lines
797 B
C
18 lines
797 B
C
/* prctl.h COPYRIGHT FUJITSU LIMITED 2017 */
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#ifndef __HEADER_ARM64_COMMON_PRCTL_H
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#define __HEADER_ARM64_COMMON_PRCTL_H
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/* arm64 Scalable Vector Extension controls */
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#define PR_SVE_SET_VL 48 /* set task vector length */
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#define PR_SVE_SET_VL_THREAD (1 << 1) /* set just this thread */
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#define PR_SVE_SET_VL_INHERIT (1 << 2) /* inherit across exec */
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#define PR_SVE_SET_VL_ONEXEC (1 << 3) /* defer effect until exec */
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#define PR_SVE_GET_VL 49 /* get task vector length */
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/* Decode helpers for the return value from PR_SVE_GET_VL: */
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#define PR_SVE_GET_VL_LEN(ret) ((ret) & 0x3fff) /* vector length */
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#define PR_SVE_GET_VL_INHERIT (PR_SVE_SET_VL_INHERIT << 16)
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/* For conveinence, PR_SVE_SET_VL returns the result in the same encoding */
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#endif /* !__HEADER_ARM64_COMMON_PRCTL_H */
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