1/* $NetBSD: romcalls.S,v 1.1 2011/11/20 15:38:00 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#define SYSCALL trap #14 /* XXX */ 34 35#if 0 36ENTRY_NOPROFILE(rom_halt) 37 moveq #8, %d7 | RB_HALT 38 trap #15 39#endif 40 41#if 0 42ENTRY_NOPROFILE(rom_open) 43 linkw %a6, #0 44 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 45 moveq #SYS_open, %d0 46 SYSCALL 47 moveml %a6@(-40),%d2-%d7/%a2-%a5 48 unlk %a6 49 rts 50 51ENTRY_NOPROFILE(rom_close) 52 linkw %a6, #0 53 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 54 moveq #SYS_close, %d0 55 SYSCALL 56 moveml %a6@(-40),%d2-%d7/%a2-%a5 57 unlk %a6 58 rts 59#endif 60 61ENTRY_NOPROFILE(rom_read) 62 linkw %a6, #0 63 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 64 moveq #SYS_read, %d0 65 SYSCALL 66 moveml %a6@(-40),%d2-%d7/%a2-%a5 67 unlk %a6 68 rts 69 70ENTRY_NOPROFILE(rom_write) 71 linkw %a6, #0 72 moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5 73 moveq #SYS_write, %d0 74 SYSCALL 75 moveml %a6@(-40),%d2-%d7/%a2-%a5 76 unlk %a6 77 rts 78 79ENTRY_NOPROFILE(rom_lseek) 80 linkw %a6, #0 81 moveml %d2-%d7/%a0-%a5,%sp@- | save %d2-%d7, %a2-%a5 82 moveq #SYS_lseek, %d0 83 SYSCALL 84 moveml %a6@(-40),%d0-%d7/%a2-%a5 85 unlk %a6 86 rts 87