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sys/arm64/arm64/support_ifunc.c
- This file was added.
| /*- | |||||
| * Copyright (c) 2022 The FreeBSD Foundation | |||||
| * | |||||
| * This software was developed by Andrew Turner 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> | |||||
| #include <sys/param.h> | |||||
| #include <machine/atomic.h> | |||||
| #include <machine/ifunc.h> | |||||
| int casueword32_llsc(volatile uint32_t *, uint32_t, uint32_t *, uint32_t); | |||||
| int casueword32_lse(volatile uint32_t *, uint32_t, uint32_t *, uint32_t); | |||||
| int casueword_llsc(volatile u_long *, u_long, u_long *, u_long); | |||||
| int casueword_lse(volatile u_long *, u_long, u_long *, u_long); | |||||
| DEFINE_IFUNC(, int, casueword32, (volatile uint32_t *base, uint32_t oldval, | |||||
| uint32_t *oldvalp, uint32_t newval)) | |||||
| { | |||||
| if (lse_supported) | |||||
| return (casueword32_lse); | |||||
| return (casueword32_llsc); | |||||
| } | |||||
| DEFINE_IFUNC(, int, casueword, (volatile u_long *base, u_long oldval, | |||||
| u_long *oldvalp, u_long newval)) | |||||
| { | |||||
| if (lse_supported) | |||||
| return (casueword_lse); | |||||
| return (casueword_llsc); | |||||
| } | |||||