diff options
Diffstat (limited to 'lib/libsys/powerpc64')
-rw-r--r-- | lib/libsys/powerpc64/Makefile.sys | 4 | ||||
-rw-r--r-- | lib/libsys/powerpc64/SYS.h | 73 | ||||
-rw-r--r-- | lib/libsys/powerpc64/__vdso_gettc.c | 62 | ||||
-rw-r--r-- | lib/libsys/powerpc64/cerror.S | 59 |
4 files changed, 198 insertions, 0 deletions
diff --git a/lib/libsys/powerpc64/Makefile.sys b/lib/libsys/powerpc64/Makefile.sys new file mode 100644 index 000000000000..9979d5179f51 --- /dev/null +++ b/lib/libsys/powerpc64/Makefile.sys @@ -0,0 +1,4 @@ +SRCS+= __vdso_gettc.c \ + sched_getcpu_gen.c + +MDASM+= cerror.S diff --git a/lib/libsys/powerpc64/SYS.h b/lib/libsys/powerpc64/SYS.h new file mode 100644 index 000000000000..ceb85bb4e361 --- /dev/null +++ b/lib/libsys/powerpc64/SYS.h @@ -0,0 +1,73 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2002 Benno Rice. All rights reserved. + * Copyright (c) 2002 David E. O'Brien. All rights reserved. + * + * 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. + * 3. Neither the name of the author nor the names of any contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 REGENTS 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. + * + * $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $ + */ + +#include <sys/syscall.h> +#include <machine/asm.h> + +#define _SYSCALL(name) \ + .text; \ + .align 2; \ + li 0,(SYS_##name); \ + sc + +#ifndef _SYSCALL_BODY +#define _SYSCALL_BODY(name) \ + _SYSCALL(name); \ + bnslr; \ + mflr %r0; \ + std %r0,16(%r1); \ + stdu %r1,-48(%r1); \ + bl CNAME(HIDENAME(cerror)); \ + nop; \ + addi %r1,%r1,48; \ + ld %r0,16(%r1); \ + mtlr %r0; \ + blr +#endif + +#define PSEUDO(name) \ + .text; \ + .align 2; \ +ENTRY(__sys_##name); \ + WEAK_REFERENCE(__sys_##name, _##name); \ + _SYSCALL_BODY(name); \ +END(__sys_##name) + +#define RSYSCALL(name) \ + .text; \ + .align 2; \ +ENTRY(__sys_##name); \ + WEAK_REFERENCE(__sys_##name, name); \ + WEAK_REFERENCE(__sys_##name, _##name); \ + _SYSCALL_BODY(name); \ +END(__sys_##name) diff --git a/lib/libsys/powerpc64/__vdso_gettc.c b/lib/libsys/powerpc64/__vdso_gettc.c new file mode 100644 index 000000000000..c1de60a5b956 --- /dev/null +++ b/lib/libsys/powerpc64/__vdso_gettc.c @@ -0,0 +1,62 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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/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/libsys/powerpc64/cerror.S b/lib/libsys/powerpc64/cerror.S new file mode 100644 index 000000000000..2be58cf8a84b --- /dev/null +++ b/lib/libsys/powerpc64/cerror.S @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 2002 Peter Grehan. + * All rights reserved. + * + * 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. + */ +/* $NetBSD: cerror.S,v 1.5 2000/01/27 14:58:48 kleink Exp $ */ + +#include <machine/asm.h> +#include "SYS.h" + + .globl HIDENAME(cerror) + .globl CNAME(__error) + + /* + * The __error() function is thread aware. For non-threaded + * programs and the initial thread in threaded programs, + * it returns a pointer to the global errno variable. + */ +ENTRY_NOPROF(HIDENAME(cerror)) + mflr %r0 + std %r0,16(%r1) /* save lr */ + stdu %r1,-64(%r1) /* allocate new stack frame */ + std %r31,48(%r1) + + mr %r31,%r3 /* stash errval in callee-saved register */ + bl CNAME(__error) + nop + stw %r31,0(%r3) /* store errval into &errno */ + + ld %r31,48(%r1) + ld %r1,0(%r1) + ld %r0,16(%r1) + mtlr %r0 + li %r3,-1 + li %r4,-1 + blr +END(HIDENAME(cerror)) + + .section .note.GNU-stack,"",%progbits |