1 /* 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright © 2019 Keith Packard 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 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 * 18 * 3. Neither the name of the copyright holder nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 33 * OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #pragma once 37 38 #include <stdint.h> 39 #include <semihost.h> 40 41 #define SYS_CLOCK (0x10) 42 #define SYS_CLOSE (0x02) 43 #define SYS_ELAPSED (0x30) 44 #define SYS_ERRNO (0x13) 45 #define SYS_EXIT (0x18) 46 #define SYS_EXIT_EXTENDED (0x20) 47 #define SYS_FLEN (0x0C) 48 #define SYS_GET_CMDLINE (0x15) 49 #define SYS_HEAPINFO (0x16) 50 #define SYS_ISERROR (0x08) 51 #define SYS_ISTTY (0x09) 52 #define SYS_OPEN (0x01) 53 #define SYS_READ (0x06) 54 #define SYS_READC (0x07) 55 #define SYS_REMOVE (0x0E) 56 #define SYS_RENAME (0x0F) 57 #define SYS_SEEK (0x0A) 58 #define SYS_SYSTEM (0x12) 59 #define SYS_TICKFREQ (0x31) 60 #define SYS_TIME (0x11) 61 #define SYS_TMPNAM (0x0D) 62 #define SYS_WRITE (0x05) 63 #define SYS_WRITEC (0x03) 64 #define SYS_WRITE0 (0x04) 65 66 #define SHFB_MAGIC_0 0x53 67 #define SHFB_MAGIC_1 0x48 68 #define SHFB_MAGIC_2 0x46 69 #define SHFB_MAGIC_3 0x42 70 71 #ifdef __aarch64__ 72 typedef unsigned long long int sh_param_t; 73 #else 74 typedef uintptr_t sh_param_t; 75 #endif 76 77 uintptr_t 78 sys_semihost(uintptr_t op, uintptr_t param); 79 80 int 81 _map_stdio(int fd); 82