18269e767SBrooks Davis /*- 28269e767SBrooks Davis * SPDX-License-Identifier: BSD-3-Clause 38269e767SBrooks Davis * 48269e767SBrooks Davis * Copyright (c) 2002 Benno Rice. All rights reserved. 58269e767SBrooks Davis * Copyright (c) 2002 David E. O'Brien. All rights reserved. 68269e767SBrooks Davis * 78269e767SBrooks Davis * Redistribution and use in source and binary forms, with or without 88269e767SBrooks Davis * modification, are permitted provided that the following conditions 98269e767SBrooks Davis * are met: 108269e767SBrooks Davis * 1. Redistributions of source code must retain the above copyright 118269e767SBrooks Davis * notice, this list of conditions and the following disclaimer. 128269e767SBrooks Davis * 2. Redistributions in binary form must reproduce the above copyright 138269e767SBrooks Davis * notice, this list of conditions and the following disclaimer in the 148269e767SBrooks Davis * documentation and/or other materials provided with the distribution. 158269e767SBrooks Davis * 3. Neither the name of the author nor the names of any contributors 168269e767SBrooks Davis * may be used to endorse or promote products derived from this software 178269e767SBrooks Davis * without specific prior written permission. 188269e767SBrooks Davis * 198269e767SBrooks Davis * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 208269e767SBrooks Davis * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 218269e767SBrooks Davis * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 228269e767SBrooks Davis * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 238269e767SBrooks Davis * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 248269e767SBrooks Davis * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 258269e767SBrooks Davis * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 268269e767SBrooks Davis * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 278269e767SBrooks Davis * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 288269e767SBrooks Davis * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 298269e767SBrooks Davis * SUCH DAMAGE. 308269e767SBrooks Davis * 318269e767SBrooks Davis * $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $ 328269e767SBrooks Davis */ 338269e767SBrooks Davis 348269e767SBrooks Davis #include <sys/syscall.h> 358269e767SBrooks Davis #include <machine/asm.h> 368269e767SBrooks Davis 378269e767SBrooks Davis #define _SYSCALL(name) \ 388269e767SBrooks Davis .text; \ 398269e767SBrooks Davis .align 2; \ 408269e767SBrooks Davis li 0,(SYS_##name); \ 418269e767SBrooks Davis sc 428269e767SBrooks Davis 43*f2177722SBrooks Davis #ifndef _SYSCALL_BODY 448269e767SBrooks Davis #define _SYSCALL_BODY(name) \ 458269e767SBrooks Davis _SYSCALL(name); \ 468269e767SBrooks Davis bnslr; \ 478269e767SBrooks Davis mflr %r0; \ 488269e767SBrooks Davis std %r0,16(%r1); \ 498269e767SBrooks Davis stdu %r1,-48(%r1); \ 508269e767SBrooks Davis bl CNAME(HIDENAME(cerror)); \ 518269e767SBrooks Davis nop; \ 528269e767SBrooks Davis addi %r1,%r1,48; \ 538269e767SBrooks Davis ld %r0,16(%r1); \ 548269e767SBrooks Davis mtlr %r0; \ 558269e767SBrooks Davis blr 56*f2177722SBrooks Davis #endif 578269e767SBrooks Davis 588269e767SBrooks Davis #define PSEUDO(name) \ 598269e767SBrooks Davis .text; \ 608269e767SBrooks Davis .align 2; \ 618269e767SBrooks Davis ENTRY(__sys_##name); \ 628269e767SBrooks Davis WEAK_REFERENCE(__sys_##name, _##name); \ 638269e767SBrooks Davis _SYSCALL_BODY(name); \ 648269e767SBrooks Davis END(__sys_##name) 658269e767SBrooks Davis 668269e767SBrooks Davis #define RSYSCALL(name) \ 678269e767SBrooks Davis .text; \ 688269e767SBrooks Davis .align 2; \ 698269e767SBrooks Davis ENTRY(__sys_##name); \ 708269e767SBrooks Davis WEAK_REFERENCE(__sys_##name, name); \ 718269e767SBrooks Davis WEAK_REFERENCE(__sys_##name, _##name); \ 728269e767SBrooks Davis _SYSCALL_BODY(name); \ 738269e767SBrooks Davis END(__sys_##name) 74