linuxkpi: Add some memset functions
Needed by drm-kmod Obtained from: OpenBSD Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D35943
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@ -38,6 +38,7 @@
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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#include <linux/err.h>
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#include <linux/bitops.h> /* for BITS_PER_LONG */
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#include <sys/libkern.h>
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@ -196,4 +197,34 @@ strscpy(char* dst, const char* src, size_t len)
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return (-E2BIG);
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}
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#endif /* _LINUXKPI_LINUX_STRING_H_ */
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static inline void *
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memset32(uint32_t *b, uint32_t c, size_t len)
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{
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uint32_t *dst = b;
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while (len--)
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*dst++ = c;
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return (b);
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}
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static inline void *
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memset64(uint64_t *b, uint64_t c, size_t len)
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{
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uint64_t *dst = b;
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while (len--)
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*dst++ = c;
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return (b);
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}
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static inline void *
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memset_p(void **p, void *v, size_t n)
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{
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if (BITS_PER_LONG == 32)
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return (memset32((uint32_t *)p, (uintptr_t)v, n));
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else
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return (memset64((uint64_t *)p, (uintptr_t)v, n));
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}
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#endif /* _LINUXKPI_LINUX_STRING_H_ */
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