1 1.5 tsutsui /* $NetBSD: romcalls.S,v 1.5 2003/04/18 18:52:27 tsutsui Exp $ */ 2 1.1 tsubai 3 1.1 tsubai /*- 4 1.1 tsubai * Copyright (C) 1999 Tsubai Masanari. All rights reserved. 5 1.1 tsubai * 6 1.1 tsubai * Redistribution and use in source and binary forms, with or without 7 1.1 tsubai * modification, are permitted provided that the following conditions 8 1.1 tsubai * are met: 9 1.1 tsubai * 1. Redistributions of source code must retain the above copyright 10 1.1 tsubai * notice, this list of conditions and the following disclaimer. 11 1.1 tsubai * 2. Redistributions in binary form must reproduce the above copyright 12 1.1 tsubai * notice, this list of conditions and the following disclaimer in the 13 1.1 tsubai * documentation and/or other materials provided with the distribution. 14 1.1 tsubai * 3. The name of the author may not be used to endorse or promote products 15 1.1 tsubai * derived from this software without specific prior written permission. 16 1.1 tsubai * 17 1.1 tsubai * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 1.1 tsubai * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 1.1 tsubai * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 1.1 tsubai * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 1.1 tsubai * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 1.1 tsubai * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 1.1 tsubai * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 1.1 tsubai * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 1.1 tsubai * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 1.1 tsubai * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 1.1 tsubai */ 28 1.1 tsubai 29 1.1 tsubai #include <mips/asm.h> 30 1.1 tsubai #include <mips/cpuregs.h> 31 1.1 tsubai #include <machine/romcall.h> 32 1.1 tsubai 33 1.1 tsubai .text 34 1.1 tsubai .align 2 35 1.1 tsubai .set noreorder 36 1.1 tsubai 37 1.5 tsutsui LEAF_NOPROFILE(rom_halt) 38 1.1 tsubai addu sp, sp, -16 39 1.1 tsubai li a0, 8 # RB_HALT 40 1.1 tsubai sw a0, 0(sp) 41 1.1 tsubai li a0, SYS_reboot 42 1.1 tsubai move a1, sp 43 1.1 tsubai syscall 44 1.1 tsubai nop 45 1.5 tsutsui END(rom_halt) 46 1.1 tsubai 47 1.5 tsutsui LEAF_NOPROFILE(rom_open) 48 1.1 tsubai addu sp, sp, -32 49 1.1 tsubai sw ra, 28(sp) 50 1.1 tsubai 51 1.1 tsubai sw a0, 16(sp) 52 1.1 tsubai sw a1, 20(sp) 53 1.1 tsubai 54 1.1 tsubai li a0, SYS_open 55 1.1 tsubai addu a1, sp, 16 56 1.1 tsubai syscall 57 1.1 tsubai nop 58 1.1 tsubai 59 1.1 tsubai lw ra, 28(sp) 60 1.1 tsubai addu sp, sp, 32 61 1.1 tsubai j ra 62 1.1 tsubai nop 63 1.5 tsutsui END(rom_open) 64 1.1 tsubai 65 1.5 tsutsui LEAF_NOPROFILE(rom_close) 66 1.1 tsubai addu sp, sp, -32 67 1.1 tsubai sw ra, 28(sp) 68 1.1 tsubai 69 1.1 tsubai sw a0, 16(sp) 70 1.1 tsubai 71 1.1 tsubai li a0, SYS_close 72 1.1 tsubai addu a1, sp, 16 73 1.1 tsubai syscall 74 1.1 tsubai nop 75 1.1 tsubai 76 1.1 tsubai lw ra, 28(sp) 77 1.1 tsubai addu sp, sp, 32 78 1.1 tsubai j ra 79 1.1 tsubai nop 80 1.5 tsutsui END(rom_close) 81 1.1 tsubai 82 1.5 tsutsui LEAF_NOPROFILE(rom_read) 83 1.1 tsubai addu sp, sp, -32 84 1.1 tsubai sw ra, 28(sp) 85 1.1 tsubai 86 1.1 tsubai sw a0, 16(sp) 87 1.1 tsubai sw a1, 20(sp) 88 1.1 tsubai sw a2, 24(sp) 89 1.1 tsubai 90 1.1 tsubai li a0, SYS_read 91 1.1 tsubai addu a1, sp, 16 92 1.1 tsubai syscall 93 1.1 tsubai nop 94 1.1 tsubai 95 1.1 tsubai lw ra, 28(sp) 96 1.1 tsubai addu sp, sp, 32 97 1.1 tsubai j ra 98 1.1 tsubai nop 99 1.5 tsutsui END(rom_read) 100 1.1 tsubai 101 1.5 tsutsui LEAF_NOPROFILE(rom_write) 102 1.1 tsubai addu sp, sp, -32 103 1.1 tsubai sw ra, 28(sp) 104 1.1 tsubai 105 1.1 tsubai sw a0, 16(sp) 106 1.1 tsubai sw a1, 20(sp) 107 1.1 tsubai sw a2, 24(sp) 108 1.1 tsubai 109 1.1 tsubai li a0, SYS_write 110 1.1 tsubai addu a1, sp, 16 111 1.1 tsubai syscall 112 1.1 tsubai nop 113 1.1 tsubai 114 1.1 tsubai lw ra, 28(sp) 115 1.1 tsubai addu sp, sp, 32 116 1.1 tsubai j ra 117 1.1 tsubai nop 118 1.5 tsutsui END(rom_write) 119 1.1 tsubai 120 1.5 tsutsui LEAF_NOPROFILE(rom_lseek) 121 1.1 tsubai addu sp, sp, -32 122 1.1 tsubai sw ra, 28(sp) 123 1.1 tsubai 124 1.1 tsubai sw a0, 16(sp) 125 1.1 tsubai sw a1, 20(sp) 126 1.1 tsubai sw a2, 24(sp) 127 1.1 tsubai 128 1.1 tsubai li a0, SYS_lseek 129 1.4 tsutsui addu a1, sp, 16 130 1.4 tsutsui syscall 131 1.4 tsutsui nop 132 1.4 tsutsui 133 1.4 tsutsui lw ra, 28(sp) 134 1.4 tsutsui addu sp, sp, 32 135 1.4 tsutsui j ra 136 1.4 tsutsui nop 137 1.5 tsutsui END(rom_lseek) 138 1.4 tsutsui 139 1.5 tsutsui LEAF_NOPROFILE(rom_ioctl) 140 1.4 tsutsui addu sp, sp, -32 141 1.4 tsutsui sw ra, 28(sp) 142 1.4 tsutsui 143 1.4 tsutsui sw a0, 16(sp) 144 1.4 tsutsui sw a1, 20(sp) 145 1.4 tsutsui sw a2, 24(sp) 146 1.4 tsutsui 147 1.4 tsutsui li a0, SYS_ioctl 148 1.1 tsubai addu a1, sp, 16 149 1.1 tsubai syscall 150 1.1 tsubai nop 151 1.1 tsubai 152 1.1 tsubai lw ra, 28(sp) 153 1.1 tsubai addu sp, sp, 32 154 1.1 tsubai j ra 155 1.1 tsubai nop 156 1.5 tsutsui END(rom_ioctl) 157
Indexes created Tue Sep 30 20:09:53 GMT 2025