Date: Wed, 22 Apr 2026 21:08:39 +0000 From: Bjoern A. Zeeb <bz@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron <dumbbell@FreeBSD.org> Subject: git: 4e16185757c1 - stable/15 - linuxkpi: Add <linux/ascii85.h> Message-ID: <69e938d7.26d38.5a8add27@gitrepo.freebsd.org>
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The branch stable/15 has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=4e16185757c10cf5e505ddb74281c07bea5af918 commit 4e16185757c10cf5e505ddb74281c07bea5af918 Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2026-03-09 19:04:12 +0000 Commit: Bjoern A. Zeeb <bz@FreeBSD.org> CommitDate: 2026-04-22 20:57:03 +0000 linuxkpi: Add <linux/ascii85.h> This is used by the i915 DRM driver for some time to log more details about a GPU error, but the code was commented out. Reviewed by: emaste Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D56282 (cherry picked from commit 0eaa57625d0fbe9960eabbaaedd522acdf673648) --- sys/compat/linuxkpi/common/include/linux/ascii85.h | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/ascii85.h b/sys/compat/linuxkpi/common/include/linux/ascii85.h new file mode 100644 index 000000000000..06777a130e41 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/ascii85.h @@ -0,0 +1,46 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2026 The FreeBSD Foundation + */ + +#ifndef _LINUXKPI_LINUX_ASCII85_H_ +#define _LINUXKPI_LINUX_ASCII85_H_ + +#include <sys/param.h> + +#define ASCII85_BUFSZ 6 + +static inline long +ascii85_encode_len(long in_len) +{ + long out_len; + + out_len = howmany(in_len, 4); + + return (out_len); +} + +static inline const char * +ascii85_encode(uint32_t in, char *out) +{ + int i; + + if (in == 0) { + out[0] = 'z'; + out[1] = '\0'; + return (out); + } + + for (i = ASCII85_BUFSZ - 2; i >= 0; i--) { + out[i] = in % 85; + out[i] += 33; + + in /= 85; + } + out[ASCII85_BUFSZ - 1] = '\0'; + + return (out); +} + +#endif /* _LINUXKPI_LINUX_ASCII85_H_ */home | help
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