git: fa1f02baafd3 - main - linuxkpi: Add some memset functions
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Mon, 08 Aug 2022 14:04:18 UTC
The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=fa1f02baafd3d46e9d09a3715be23e96b601d9c9 commit fa1f02baafd3d46e9d09a3715be23e96b601d9c9 Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2022-07-26 09:28:11 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2022-08-08 13:22:35 +0000 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 --- sys/compat/linuxkpi/common/include/linux/string.h | 33 ++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index 73a38dc42c6c..7a118bb17c48 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -38,6 +38,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/err.h> +#include <linux/bitops.h> /* for BITS_PER_LONG */ #include <sys/libkern.h> @@ -196,4 +197,34 @@ strscpy(char* dst, const char* src, size_t len) return (-E2BIG); } -#endif /* _LINUXKPI_LINUX_STRING_H_ */ +static inline void * +memset32(uint32_t *b, uint32_t c, size_t len) +{ + uint32_t *dst = b; + + while (len--) + *dst++ = c; + return (b); +} + +static inline void * +memset64(uint64_t *b, uint64_t c, size_t len) +{ + uint64_t *dst = b; + + while (len--) + *dst++ = c; + return (b); +} + +static inline void * +memset_p(void **p, void *v, size_t n) +{ + + if (BITS_PER_LONG == 32) + return (memset32((uint32_t *)p, (uintptr_t)v, n)); + else + return (memset64((uint64_t *)p, (uintptr_t)v, n)); +} + +#endif /* _LINUXKPI_LINUX_STRING_H_ */