diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/powerpc/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/powerpc/sys/Makefile.inc | 1 | ||||
| -rw-r--r-- | lib/libc/powerpc/sys/__vdso_gettc.c | 68 | ||||
| -rw-r--r-- | lib/libc/powerpc64/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/powerpc64/sys/Makefile.inc | 1 | ||||
| -rw-r--r-- | lib/libc/powerpc64/sys/__vdso_gettc.c | 65 | ||||
| -rw-r--r-- | lib/libc/powerpcspe/Makefile.inc | 1 |
7 files changed, 135 insertions, 5 deletions
diff --git a/lib/libc/powerpc/Makefile.inc b/lib/libc/powerpc/Makefile.inc index afc403d860607..4047edd70c377 100644 --- a/lib/libc/powerpc/Makefile.inc +++ b/lib/libc/powerpc/Makefile.inc @@ -1,7 +1,5 @@ # $FreeBSD$ -SRCS+= trivial-vdso_tc.c - # Long double is 64-bits SRCS+=machdep_ldisd.c SYM_MAPS+=${LIBC_SRCTOP}/powerpc/Symbol.map diff --git a/lib/libc/powerpc/sys/Makefile.inc b/lib/libc/powerpc/sys/Makefile.inc index ac7f38cb863b3..99a141b5cb1e2 100644 --- a/lib/libc/powerpc/sys/Makefile.inc +++ b/lib/libc/powerpc/sys/Makefile.inc @@ -1,3 +1,4 @@ # $FreeBSD$ +SRCS+= __vdso_gettc.c MDASM+= cerror.S diff --git a/lib/libc/powerpc/sys/__vdso_gettc.c b/lib/libc/powerpc/sys/__vdso_gettc.c new file mode 100644 index 0000000000000..e54e5c3f54d40 --- /dev/null +++ b/lib/libc/powerpc/sys/__vdso_gettc.c @@ -0,0 +1,68 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2020 Brandon Bergren <bdragon@FreeBSD.org> + * + * This software was developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/elf.h> +#include <sys/time.h> +#include <sys/vdso.h> + +#include <machine/cpufunc.h> +#include <machine/spr.h> + +#include <errno.h> + +#include "libc_private.h" + +#pragma weak __vdso_gettc +int +__vdso_gettc(const struct vdso_timehands *th, u_int *tc) +{ + + if (__predict_false(th->th_algo != VDSO_TH_ALGO_PPC_TB)) + return (ENOSYS); + /* + * While the timebase is a 64 bit quantity, we are only interested + * in the lower 32 bits of it. + */ + *tc = mfspr(TBR_TBL); + + return (0); +} + +#pragma weak __vdso_gettimekeep +int +__vdso_gettimekeep(struct vdso_timekeep **tk) +{ + + return (_elf_aux_info(AT_TIMEKEEP, tk, sizeof(*tk))); +} diff --git a/lib/libc/powerpc64/Makefile.inc b/lib/libc/powerpc64/Makefile.inc index a00ad7130436c..8efaadb6a333c 100644 --- a/lib/libc/powerpc64/Makefile.inc +++ b/lib/libc/powerpc64/Makefile.inc @@ -1,7 +1,5 @@ # $FreeBSD$ -SRCS+= trivial-vdso_tc.c - # Long double is 64-bits SRCS+=machdep_ldisd.c SYM_MAPS+=${LIBC_SRCTOP}/powerpc64/Symbol.map diff --git a/lib/libc/powerpc64/sys/Makefile.inc b/lib/libc/powerpc64/sys/Makefile.inc index ac7f38cb863b3..99a141b5cb1e2 100644 --- a/lib/libc/powerpc64/sys/Makefile.inc +++ b/lib/libc/powerpc64/sys/Makefile.inc @@ -1,3 +1,4 @@ # $FreeBSD$ +SRCS+= __vdso_gettc.c MDASM+= cerror.S diff --git a/lib/libc/powerpc64/sys/__vdso_gettc.c b/lib/libc/powerpc64/sys/__vdso_gettc.c new file mode 100644 index 0000000000000..0ccf91d5d2144 --- /dev/null +++ b/lib/libc/powerpc64/sys/__vdso_gettc.c @@ -0,0 +1,65 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2020 Brandon Bergren <bdragon@FreeBSD.org> + * + * This software was developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/elf.h> +#include <sys/time.h> +#include <sys/vdso.h> + +#include <machine/cpufunc.h> + +#include <errno.h> + +#include "libc_private.h" + +#pragma weak __vdso_gettc +int +__vdso_gettc(const struct vdso_timehands *th, u_int *tc) +{ + u_quad_t tb; + + if (__predict_false(th->th_algo != VDSO_TH_ALGO_PPC_TB)) + return (ENOSYS); + + __asm __volatile ("mftb %0" : "=r"(tb)); + *tc = tb; + return (0); +} + +#pragma weak __vdso_gettimekeep +int +__vdso_gettimekeep(struct vdso_timekeep **tk) +{ + + return (_elf_aux_info(AT_TIMEKEEP, tk, sizeof(*tk))); +} diff --git a/lib/libc/powerpcspe/Makefile.inc b/lib/libc/powerpcspe/Makefile.inc index 4adef818a1c08..56f0476f88979 100644 --- a/lib/libc/powerpcspe/Makefile.inc +++ b/lib/libc/powerpcspe/Makefile.inc @@ -1,7 +1,6 @@ # $FreeBSD$ CFLAGS+= -I${LIBC_SRCTOP}/powerpc -SRCS+= trivial-vdso_tc.c # Long double is 64-bits SRCS+=machdep_ldisd.c |