1/* 2 * Copyright 2013, winocm. <winocm@icloud.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * Redistributions in binary form must reproduce the above copyright notice, this 12 * list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * If you are going to use this software in any form that does not involve 16 * releasing the source to this project or improving it, let me know beforehand. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29/* 30 * PE bringup (semihosting) 31 */ 32 33#include <stdarg.h> 34#include <kern/debug.h> 35#include <mach/mach_types.h> 36#include <pexpert/pexpert.h> 37#include <pexpert/machine/protos.h> 38#include <pexpert/machine/boot.h> 39#include <machine/machine_routines.h> 40#include "semihost.h" 41 42/** 43 * PE_early_puts 44 * 45 * Bringup function, use for semihosting. Prints to SYS_OUTPUT0. 46 */ 47void PE_early_puts(char *s) 48{ 49 while (*s != '\0') { 50 PE_semihost_write_char(*s); 51 s++; 52 } 53 return; 54} 55