Module Name: src Committed By: martin Date: Thu Feb 20 20:39:01 UTC 2014
Modified Files: src/common/lib/libc/arch/m68k/atomic: Makefile.inc atomic_add.S atomic_and.S atomic_or.S Added Files: src/common/lib/libc/arch/m68k/atomic: atomic_nand.S atomic_sub.S atomic_xor.S Log Message: Add missing __sync_* ops To generate a diff of this commit: cvs rdiff -u -r1.11 -r1.12 src/common/lib/libc/arch/m68k/atomic/Makefile.inc cvs rdiff -u -r1.7 -r1.8 src/common/lib/libc/arch/m68k/atomic/atomic_add.S cvs rdiff -u -r1.8 -r1.9 src/common/lib/libc/arch/m68k/atomic/atomic_and.S \ src/common/lib/libc/arch/m68k/atomic/atomic_or.S cvs rdiff -u -r0 -r1.1 src/common/lib/libc/arch/m68k/atomic/atomic_nand.S \ src/common/lib/libc/arch/m68k/atomic/atomic_sub.S \ src/common/lib/libc/arch/m68k/atomic/atomic_xor.S Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/common/lib/libc/arch/m68k/atomic/Makefile.inc diff -u src/common/lib/libc/arch/m68k/atomic/Makefile.inc:1.11 src/common/lib/libc/arch/m68k/atomic/Makefile.inc:1.12 --- src/common/lib/libc/arch/m68k/atomic/Makefile.inc:1.11 Wed Jan 29 10:20:11 2014 +++ src/common/lib/libc/arch/m68k/atomic/Makefile.inc Thu Feb 20 20:39:01 2014 @@ -1,4 +1,4 @@ -# $NetBSD: Makefile.inc,v 1.11 2014/01/29 10:20:11 martin Exp $ +# $NetBSD: Makefile.inc,v 1.12 2014/02/20 20:39:01 martin Exp $ # # Note: The atomic operations here in these assembly files are atomic @@ -14,7 +14,8 @@ .if ${MACHINE_ARCH} == "m68k" SRCS+= atomic_add.S atomic_and.S atomic_cas.S atomic_dec.S \ - atomic_inc.S atomic_or.S atomic_swap.S membar_ops_nop.c + atomic_inc.S atomic_or.S atomic_swap.S membar_ops_nop.c \ + atomic_sub.S atomic_xor.S atomic_nand.S .else Index: src/common/lib/libc/arch/m68k/atomic/atomic_add.S diff -u src/common/lib/libc/arch/m68k/atomic/atomic_add.S:1.7 src/common/lib/libc/arch/m68k/atomic/atomic_add.S:1.8 --- src/common/lib/libc/arch/m68k/atomic/atomic_add.S:1.7 Tue Feb 18 16:19:28 2014 +++ src/common/lib/libc/arch/m68k/atomic/atomic_add.S Thu Feb 20 20:39:01 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: atomic_add.S,v 1.7 2014/02/18 16:19:28 martin Exp $ */ +/* $NetBSD: atomic_add.S,v 1.8 2014/02/20 20:39:01 martin Exp $ */ /*- * Copyright (c) 2007 The NetBSD Foundation, Inc. @@ -68,6 +68,17 @@ ATOMIC_OP_ALIAS(atomic_add_ptr_nv,_atomi STRONG_ALIAS(_atomic_add_ptr_nv,_atomic_add_32_nv) STRONG_ALIAS(__sync_add_and_fetch_4,_atomic_add_32_nv) +ENTRY(__sync_fetch_and_add_4) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + addl 8(%sp), %d1 + casl %d0, %d1, (%a0) + bne 1b + movl %d0, %a0 /* pointers return also in %a0 */ + rts +END(__sync_fetch_and_add_4) + ENTRY(_atomic_add_16_nv) movl 4(%sp), %a0 1: movw (%a0), %d0 @@ -80,6 +91,16 @@ END(_atomic_add_16_nv) STRONG_ALIAS(__sync_add_and_fetch_2,_atomic_add_16_nv) +ENTRY(__sync_fetch_and_add_2) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + addw 8(%sp), %d1 + casw %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_add_2) + ENTRY(_atomic_add_8_nv) movl 4(%sp), %a0 1: movb (%a0), %d0 @@ -91,3 +112,13 @@ ENTRY(_atomic_add_8_nv) END(_atomic_add_8_nv) STRONG_ALIAS(__sync_add_and_fetch_1,_atomic_add_8_nv) + +ENTRY(__sync_fetch_and_add_1) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + addb 8(%sp), %d1 + casb %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_add_1) Index: src/common/lib/libc/arch/m68k/atomic/atomic_and.S diff -u src/common/lib/libc/arch/m68k/atomic/atomic_and.S:1.8 src/common/lib/libc/arch/m68k/atomic/atomic_and.S:1.9 --- src/common/lib/libc/arch/m68k/atomic/atomic_and.S:1.8 Tue Jul 16 23:24:18 2013 +++ src/common/lib/libc/arch/m68k/atomic/atomic_and.S Thu Feb 20 20:39:01 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: atomic_and.S,v 1.8 2013/07/16 23:24:18 matt Exp $ */ +/* $NetBSD: atomic_and.S,v 1.9 2014/02/20 20:39:01 martin Exp $ */ /*- * Copyright (c) 2007 The NetBSD Foundation, Inc. @@ -54,6 +54,7 @@ ENTRY(_atomic_and_32_nv) andl 8(%sp), %d0 casl %d1, %d0, (%a0) bne 1b + movl %d0, %a0 rts END(_atomic_and_32_nv) ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32_nv) @@ -63,3 +64,63 @@ ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_ato STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_32_nv) ATOMIC_OP_ALIAS(atomic_and_ptr_nv,_atomic_and_32_nv) STRONG_ALIAS(_atomic_and_ptr_nv,_atomic_and_32_nv) +STRONG_ALIAS(__sync_and_and_fetch_4,_atomic_and_32_nv) + +ENTRY(__sync_fetch_and_and_4) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + andl 8(%sp), %d1 + casl %d0, %d1, (%a0) + bne 1b + movl %d0, %a0 + rts +END(__sync_fetch_and_and_4) + + +ENTRY(_atomic_and_16_nv) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + andw 8(%sp), %d0 + casw %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_and_16_nv) + +STRONG_ALIAS(__sync_and_and_fetch_2,_atomic_and_16_nv) + +ENTRY(__sync_fetch_and_and_2) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + andw 8(%sp), %d1 + casw %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_and_2) + + +ENTRY(_atomic_and_8_nv) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + andb 8(%sp), %d0 + casb %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_and_8_nv) + +STRONG_ALIAS(__sync_and_and_fetch_1,_atomic_and_8_nv) + +ENTRY(__sync_fetch_and_and_1) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + andb 8(%sp), %d1 + casb %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_and_1) + + Index: src/common/lib/libc/arch/m68k/atomic/atomic_or.S diff -u src/common/lib/libc/arch/m68k/atomic/atomic_or.S:1.8 src/common/lib/libc/arch/m68k/atomic/atomic_or.S:1.9 --- src/common/lib/libc/arch/m68k/atomic/atomic_or.S:1.8 Tue Jul 16 23:24:18 2013 +++ src/common/lib/libc/arch/m68k/atomic/atomic_or.S Thu Feb 20 20:39:01 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: atomic_or.S,v 1.8 2013/07/16 23:24:18 matt Exp $ */ +/* $NetBSD: atomic_or.S,v 1.9 2014/02/20 20:39:01 martin Exp $ */ /*- * Copyright (c) 2007 The NetBSD Foundation, Inc. @@ -39,6 +39,7 @@ ENTRY(_atomic_or_32) orl %d0, (%a0) rts END(_atomic_or_32) + ATOMIC_OP_ALIAS(atomic_or_32,_atomic_or_32) ATOMIC_OP_ALIAS(atomic_or_uint,_atomic_or_32) STRONG_ALIAS(_atomic_or_uint,_atomic_or_32) @@ -54,7 +55,10 @@ ENTRY(_atomic_or_32_nv) orl 8(%sp), %d0 casl %d1, %d0, (%a0) bne 1b + movl %d0, %a0 rts +END(_atomic_or_32_nv) + ATOMIC_OP_ALIAS(atomic_or_32_nv,_atomic_or_32_nv) ATOMIC_OP_ALIAS(atomic_or_uint_nv,_atomic_or_32_nv) STRONG_ALIAS(_atomic_or_uint_nv,_atomic_or_32_nv) @@ -62,3 +66,60 @@ ATOMIC_OP_ALIAS(atomic_or_ulong_nv,_atom STRONG_ALIAS(_atomic_or_ulong_nv,_atomic_or_32_nv) ATOMIC_OP_ALIAS(atomic_or_ptr_nv,_atomic_or_32_nv) STRONG_ALIAS(_atomic_or_ptr_nv,_atomic_or_32_nv) +STRONG_ALIAS(__sync_or_and_fetch_4, _atomic_or_32_nv) + + +ENTRY(__sync_fetch_and_or_4) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + orl 8(%sp), %d1 + casl %d0, %d1, (%a0) + bne 1b + movl %d0, %a0 + rts +END(__sync_fetch_and_or_4) + + +ENTRY(_atomic_or_16_nv) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + orw 8(%sp), %d0 + casw %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_or_16_nv) +STRONG_ALIAS(__sync_or_and_fetch_2, _atomic_or_16_nv) + +ENTRY(__sync_fetch_and_or_2) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + orw 8(%sp), %d1 + casw %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_or_2) + + +ENTRY(_atomic_or_8_nv) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + orb 8(%sp), %d0 + casb %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_or_8_nv) +STRONG_ALIAS(__sync_or_and_fetch_1, _atomic_or_8_nv) + +ENTRY(__sync_fetch_and_or_1) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + orb 8(%sp), %d1 + casb %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_or_1) Added files: Index: src/common/lib/libc/arch/m68k/atomic/atomic_nand.S diff -u /dev/null src/common/lib/libc/arch/m68k/atomic/atomic_nand.S:1.1 --- /dev/null Thu Feb 20 20:39:01 2014 +++ src/common/lib/libc/arch/m68k/atomic/atomic_nand.S Thu Feb 20 20:39:01 2014 @@ -0,0 +1,123 @@ +/* $NetBSD: atomic_nand.S,v 1.1 2014/02/20 20:39:01 martin Exp $ */ + +/*- + * Copyright (c) 2007 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 "atomic_op_asm.h" + + .text + +ENTRY(_atomic_nand_32_nv) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + andl 8(%sp), %d0 + notl %d0 + casl %d1, %d0, (%a0) + bne 1b + movl %d0, %a0 + rts +END(_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_32_nv,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_uint_nv,_atomic_nand_32_nv) +STRONG_ALIAS(_atomic_nand_uint_nv,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_ulong_nv,_atomic_nand_32_nv) +STRONG_ALIAS(_atomic_nand_ulong_nv,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_ptr_nv,_atomic_nand_32_nv) +STRONG_ALIAS(_atomic_nand_ptr_nv,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_32,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_uint,_atomic_nand_32_nv) +STRONG_ALIAS(_atomic_nand_uint,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_ulong,_atomic_nand_32_nv) +STRONG_ALIAS(_atomic_nand_ulong,_atomic_nand_32_nv) +ATOMIC_OP_ALIAS(atomic_nand_ptr,_atomic_nand_32_nv) +STRONG_ALIAS(_atomic_nand_ptr,_atomic_nand_32_nv) +STRONG_ALIAS(__sync_nand_and_fetch_4,_atomic_nand_32_nv) + +ENTRY(__sync_fetch_and_nand_4) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + andl 8(%sp), %d1 + notl %d1 + casl %d0, %d1, (%a0) + bne 1b + movl %d0, %a0 + rts +END(__sync_fetch_and_nand_4) + + +ENTRY(_atomic_nand_16_nv) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + andw 8(%sp), %d0 + notw %d0 + casw %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_nand_16_nv) + +STRONG_ALIAS(__sync_nand_and_fetch_2,_atomic_nand_16_nv) + +ENTRY(__sync_fetch_and_nand_2) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + andw 8(%sp), %d1 + notw %d1 + casw %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_nand_2) + + +ENTRY(_atomic_nand_8_nv) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + andb 8(%sp), %d0 + notb %d0 + casb %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_nand_8_nv) + +STRONG_ALIAS(__sync_nand_and_fetch_1,_atomic_nand_8_nv) + +ENTRY(__sync_fetch_and_nand_1) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + andb 8(%sp), %d1 + notb %d1 + casb %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_nand_1) Index: src/common/lib/libc/arch/m68k/atomic/atomic_sub.S diff -u /dev/null src/common/lib/libc/arch/m68k/atomic/atomic_sub.S:1.1 --- /dev/null Thu Feb 20 20:39:01 2014 +++ src/common/lib/libc/arch/m68k/atomic/atomic_sub.S Thu Feb 20 20:39:01 2014 @@ -0,0 +1,124 @@ +/* $NetBSD: atomic_sub.S,v 1.1 2014/02/20 20:39:01 martin Exp $ */ + +/*- + * Copyright (c) 2007 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 "atomic_op_asm.h" + + .text + .align 2 + +ENTRY(_atomic_sub_32) + movl 4(%sp), %a0 + movl 8(%sp), %d0 + subl %d0, (%a0) + rts +END(_atomic_sub_32) +ATOMIC_OP_ALIAS(atomic_sub_32,_atomic_sub_32) +ATOMIC_OP_ALIAS(atomic_sub_int,_atomic_sub_32) +STRONG_ALIAS(_atomic_sub_int,_atomic_sub_32) +ATOMIC_OP_ALIAS(atomic_sub_long,_atomic_sub_32) +STRONG_ALIAS(_atomic_sub_long,_atomic_sub_32) +ATOMIC_OP_ALIAS(atomic_sub_ptr,_atomic_sub_32) +STRONG_ALIAS(_atomic_sub_ptr,_atomic_sub_32) + +ENTRY(_atomic_sub_32_nv) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + subl 8(%sp), %d0 + casl %d1, %d0, (%a0) + bne 1b + movl %d0, %a0 /* pointers return also in %a0 */ + rts +END(_atomic_sub_32_nv) + +ATOMIC_OP_ALIAS(atomic_sub_32_nv,_atomic_sub_32_nv) +ATOMIC_OP_ALIAS(atomic_sub_int_nv,_atomic_sub_32_nv) +STRONG_ALIAS(_atomic_sub_int_nv,_atomic_sub_32_nv) +ATOMIC_OP_ALIAS(atomic_sub_long_nv,_atomic_sub_32_nv) +STRONG_ALIAS(_atomic_sub_long_nv,_atomic_sub_32_nv) +ATOMIC_OP_ALIAS(atomic_sub_ptr_nv,_atomic_sub_32_nv) +STRONG_ALIAS(_atomic_sub_ptr_nv,_atomic_sub_32_nv) +STRONG_ALIAS(__sync_sub_and_fetch_4,_atomic_sub_32_nv) + +ENTRY(__sync_fetch_and_sub_4) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + subl 8(%sp), %d1 + casl %d0, %d1, (%a0) + bne 1b + movl %d0, %a0 /* pointers return also in %a0 */ + rts +END(__sync_fetch_and_sub_4) + +ENTRY(_atomic_sub_16_nv) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + subw 8(%sp), %d0 + casw %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_sub_16_nv) + +STRONG_ALIAS(__sync_sub_and_fetch_2,_atomic_sub_16_nv) + +ENTRY(__sync_fetch_and_sub_2) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + subw 8(%sp), %d1 + casw %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_sub_2) + +ENTRY(_atomic_sub_8_nv) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + subb 8(%sp), %d0 + casb %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_sub_8_nv) + +STRONG_ALIAS(__sync_sub_and_fetch_1,_atomic_sub_8_nv) + +ENTRY(__sync_fetch_and_sub_1) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + subb 8(%sp), %d1 + casb %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_sub_1) Index: src/common/lib/libc/arch/m68k/atomic/atomic_xor.S diff -u /dev/null src/common/lib/libc/arch/m68k/atomic/atomic_xor.S:1.1 --- /dev/null Thu Feb 20 20:39:01 2014 +++ src/common/lib/libc/arch/m68k/atomic/atomic_xor.S Thu Feb 20 20:39:01 2014 @@ -0,0 +1,131 @@ +/* $NetBSD: atomic_xor.S,v 1.1 2014/02/20 20:39:01 martin Exp $ */ + +/*- + * Copyright (c) 2007 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 "atomic_op_asm.h" + + .text + +ENTRY(_atomic_xor_32) + movl 4(%sp), %a0 + movl 8(%sp), %d0 + eorl %d0, (%a0) + rts +END(_atomic_xor_32) + +ATOMIC_OP_ALIAS(atomic_xor_32,_atomic_xor_32) +ATOMIC_OP_ALIAS(atomic_xor_uint,_atomic_xor_32) +STRONG_ALIAS(_atomic_xor_uint,_atomic_xor_32) +ATOMIC_OP_ALIAS(atomic_xor_ulong,_atomic_xor_32) +STRONG_ALIAS(_atomic_xor_ulong,_atomic_xor_32) +ATOMIC_OP_ALIAS(atomic_xor_ptr,_atomic_xor_32) +STRONG_ALIAS(_atomic_xor_ptr,_atomic_xor_32) + +ENTRY(_atomic_xor_32_nv) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + movl 8(%sp), %d2 + eorl %d2, %d0 + casl %d1, %d0, (%a0) + bne 1b + movl %d0, %a0 + rts +END(_atomic_xor_32_nv) + +ATOMIC_OP_ALIAS(atomic_xor_32_nv,_atomic_xor_32_nv) +ATOMIC_OP_ALIAS(atomic_xor_uint_nv,_atomic_xor_32_nv) +STRONG_ALIAS(_atomic_xor_uint_nv,_atomic_xor_32_nv) +ATOMIC_OP_ALIAS(atomic_xor_ulong_nv,_atomic_xor_32_nv) +STRONG_ALIAS(_atomic_xor_ulong_nv,_atomic_xor_32_nv) +ATOMIC_OP_ALIAS(atomic_xor_ptr_nv,_atomic_xor_32_nv) +STRONG_ALIAS(_atomic_xor_ptr_nv,_atomic_xor_32_nv) +STRONG_ALIAS(__sync_xor_and_fetch_4, _atomic_xor_32_nv) + + +ENTRY(__sync_fetch_and_xor_4) + movl 4(%sp), %a0 +1: movl (%a0), %d0 + movl %d0, %d1 + movl 8(%sp), %d2 + eorl %d2, %d1 + casl %d0, %d1, (%a0) + bne 1b + movl %d0, %a0 + rts +END(__sync_fetch_and_xor_4) + + +ENTRY(_atomic_xor_16_nv) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + movw 8(%sp), %d2 + eorw %d2, %d0 + casw %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_xor_16_nv) +STRONG_ALIAS(__sync_xor_and_fetch_2, _atomic_xor_16_nv) + +ENTRY(__sync_fetch_and_xor_2) + movl 4(%sp), %a0 +1: movw (%a0), %d0 + movw %d0, %d1 + movw 8(%sp), %d2 + eorw %d2, %d1 + casw %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_xor_2) + + +ENTRY(_atomic_xor_8_nv) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + movb 8(%sp), %d2 + eorb %d2, %d0 + casb %d1, %d0, (%a0) + bne 1b + rts +END(_atomic_xor_8_nv) +STRONG_ALIAS(__sync_xor_and_fetch_1, _atomic_xor_8_nv) + +ENTRY(__sync_fetch_and_xor_1) + movl 4(%sp), %a0 +1: movb (%a0), %d0 + movb %d0, %d1 + movb 8(%sp), %d2 + eorb %d2, %d1 + casb %d0, %d1, (%a0) + bne 1b + rts +END(__sync_fetch_and_xor_1)