diff options
Diffstat (limited to 'lib/libsys/powerpc')
-rw-r--r-- | lib/libsys/powerpc/Makefile.sys | 4 | ||||
-rw-r--r-- | lib/libsys/powerpc/Makefile.thr | 1 | ||||
-rw-r--r-- | lib/libsys/powerpc/SYS.h | 65 | ||||
-rw-r--r-- | lib/libsys/powerpc/__vdso_gettc.c | 65 | ||||
-rw-r--r-- | lib/libsys/powerpc/_umtx_op_err.S | 39 | ||||
-rw-r--r-- | lib/libsys/powerpc/cerror.S | 66 |
6 files changed, 240 insertions, 0 deletions
diff --git a/lib/libsys/powerpc/Makefile.sys b/lib/libsys/powerpc/Makefile.sys new file mode 100644 index 000000000000..9979d5179f51 --- /dev/null +++ b/lib/libsys/powerpc/Makefile.sys @@ -0,0 +1,4 @@ +SRCS+= __vdso_gettc.c \ + sched_getcpu_gen.c + +MDASM+= cerror.S diff --git a/lib/libsys/powerpc/Makefile.thr b/lib/libsys/powerpc/Makefile.thr new file mode 100644 index 000000000000..52e861709faf --- /dev/null +++ b/lib/libsys/powerpc/Makefile.thr @@ -0,0 +1 @@ +SRCS+= _umtx_op_err.S diff --git a/lib/libsys/powerpc/SYS.h b/lib/libsys/powerpc/SYS.h new file mode 100644 index 000000000000..04672ed51528 --- /dev/null +++ b/lib/libsys/powerpc/SYS.h @@ -0,0 +1,65 @@ +/*- + * 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; \ + b CNAME(HIDENAME(cerror)) +#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/powerpc/__vdso_gettc.c b/lib/libsys/powerpc/__vdso_gettc.c new file mode 100644 index 000000000000..82b8e2f27384 --- /dev/null +++ b/lib/libsys/powerpc/__vdso_gettc.c @@ -0,0 +1,65 @@ +/*- + * 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 <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/libsys/powerpc/_umtx_op_err.S b/lib/libsys/powerpc/_umtx_op_err.S new file mode 100644 index 000000000000..a954962515f6 --- /dev/null +++ b/lib/libsys/powerpc/_umtx_op_err.S @@ -0,0 +1,39 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2019 Brandon Bergren <bdragon@FreeBSD.org> + * + * 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 <machine/asm.h> +#include <sys/syscall.h> + + .text + .align 2 +ENTRY(_umtx_op_err) + li %r0, SYS__umtx_op + sc + blr +END(_umtx_op_err) + + .section .note.GNU-stack,"",%progbits diff --git a/lib/libsys/powerpc/cerror.S b/lib/libsys/powerpc/cerror.S new file mode 100644 index 000000000000..64204c5a1ddf --- /dev/null +++ b/lib/libsys/powerpc/cerror.S @@ -0,0 +1,66 @@ +/*- + * 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. + */ +HIDENAME(cerror): + mflr %r0 + stwu %r1,-20(%r1) /* allocate new stack frame */ + stw %r0,24(%r1) /* and save lr, r31 */ + stw %r31,12(%r1) +#ifdef __PIC__ + stw %r30,8(%r1) + bcl 20,31,1f +1: + mflr %r30 + addis %r30,%r30,_GLOBAL_OFFSET_TABLE_-1b@ha + addi %r30,%r30,_GLOBAL_OFFSET_TABLE_-1b@l +#endif + mr %r31,%r3 /* stash errval in callee-saved register */ + bl PIC_PLT(CNAME(__error)) + stw %r31,0(%r3) /* store errval into &errno */ + lwz %r0,24(%r1) + lwz %r31,12(%r1) +#ifdef __PIC__ + lwz %r30,8(%r1) +#endif + mtlr %r0 + la %r1,20(%r1) + li %r3,-1 + li %r4,-1 + blr /* return to callers caller */ + + .section .note.GNU-stack,"",%progbits |