romcalls.S revision 1.4
1 /* $NetBSD: romcalls.S,v 1.4 2008/05/14 13:29:28 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <m68k/asm.h> 28 #include <machine/romcall.h> 29 30 .text 31 .align 4 32 33 ENTRY_NOPROFILE(rom_halt) 34 moveq #8, %d7 | RB_HALT 35 trap #15 36 37 ENTRY_NOPROFILE(rom_open) 38 linkw %a6, #0 39 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 40 moveq #SYS_open, %d0 41 trap #0 42 moveml %a6@(-40),%d2-%d7/%a2-%a5 43 unlk %a6 44 rts 45 46 ENTRY_NOPROFILE(rom_close) 47 linkw %a6, #0 48 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 49 moveq #SYS_close, %d0 50 trap #0 51 moveml %a6@(-40),%d2-%d7/%a2-%a5 52 unlk %a6 53 rts 54 55 ENTRY_NOPROFILE(rom_read) 56 linkw %a6, #0 57 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 58 moveq #SYS_read, %d0 59 trap #0 60 moveml %a6@(-40),%d2-%d7/%a2-%a5 61 unlk %a6 62 rts 63 64 ENTRY_NOPROFILE(rom_write) 65 linkw %a6, #0 66 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 67 moveq #SYS_write, %d0 68 trap #0 69 moveml %a6@(-40),%d2-%d7/%a2-%a5 70 unlk %a6 71 rts 72 73 ENTRY_NOPROFILE(rom_lseek) 74 linkw %a6, #0 75 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 76 moveq #SYS_lseek, %d0 77 trap #0 78 moveml %a6@(-40),%d2-%d7/%a2-%a5 79 unlk %a6 80 rts 81
Indexes created Thu Oct 02 01:09:59 GMT 2025