romcalls.S revision 1.3
1 /* $NetBSD: romcalls.S,v 1.3 2001/03/03 13:59:10 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (C) 1999 Izumi Tsutsui. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <m68k/asm.h> 30 #include <machine/romcall.h> 31 32 .text 33 .align 4 34 35 ENTRY_NOPROFILE(rom_halt) 36 moveq #8, %d7 | RB_HALT 37 trap #15 38 39 ENTRY_NOPROFILE(rom_open) 40 linkw %a6, #0 41 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 42 moveq #SYS_open, %d0 43 trap #0 44 moveml %a6@(-40),%d2-%d7/%a2-%a5 45 unlk %a6 46 rts 47 48 ENTRY_NOPROFILE(rom_close) 49 linkw %a6, #0 50 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 51 moveq #SYS_close, %d0 52 trap #0 53 moveml %a6@(-40),%d2-%d7/%a2-%a5 54 unlk %a6 55 rts 56 57 ENTRY_NOPROFILE(rom_read) 58 linkw %a6, #0 59 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 60 moveq #SYS_read, %d0 61 trap #0 62 moveml %a6@(-40),%d2-%d7/%a2-%a5 63 unlk %a6 64 rts 65 66 ENTRY_NOPROFILE(rom_write) 67 linkw %a6, #0 68 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 69 moveq #SYS_write, %d0 70 trap #0 71 moveml %a6@(-40),%d2-%d7/%a2-%a5 72 unlk %a6 73 rts 74 75 ENTRY_NOPROFILE(rom_lseek) 76 linkw %a6, #0 77 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 78 moveq #SYS_lseek, %d0 79 trap #0 80 moveml %a6@(-40),%d2-%d7/%a2-%a5 81 unlk %a6 82 rts 83
Indexes created Wed Oct 01 19:09:53 GMT 2025