94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
// Semi-hosting I/O services
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// Copyright (C)2013-2015, Philip Munts, President, Munts AM Corp.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// These services ONLY work in debug mode. If your program calls any of these,
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// it will NOT work unless you are debugging.
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// Be sure to issue "monitor arm semihosting enable" in gdb before starting
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// your program.
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// Semi-hosting operations -- From "ARM Compiler toolchain Developing
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// Software for ARM Processors,Version 5.03"
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#ifndef INCLUDE_DI_FW_SEMIHOSTING_H_
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#define INCLUDE_DI_FW_SEMIHOSTING_H_
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#include <di/log.h>
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#define SYS_OPEN 0x01
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#define SYS_CLOSE 0x02
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#define SYS_WRITEC 0x03
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#define SYS_WRITE0 0x04
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#define SYS_WRITE 0x05
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#define SYS_READ 0x06
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#define SYS_READC 0x07
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#define SYS_ISERROR 0x08
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#define SYS_ISTTY 0x09
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#define SYS_SEEK 0x0A
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#define SYS_FLEN 0x0C
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#define SYS_TMPNAM 0x0D
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#define SYS_REMOVE 0x0E
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#define SYS_CLOCK 0x10
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#define SYS_TIME 0x11
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#define SYS_SYSTEM 0x12
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#define SYS_ERRNO 0x13
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#define SYS_GET_CMDLINE 0x15
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#define SYS_HEAPINFO 0x16
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#define SYS_ELAPSED 0x30
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#define SYS_TICKFREQ 0x31
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#define FD_LINUX 0
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#define FD_WINDOWS 1
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#if !defined(DEBUG_BUILD) && !defined(UNITY_OUTPUT_CHAR)
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#define semihosting_register(n) (void)n
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#define semihosting_stdio(n) (void)n
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#define semihosting_open(n) (void)n
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#define semihosting_close(n) (void)n
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#define semihosting_putc(f, c) (void)c
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#define semihosting_read(n, b, c) (void)n
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#define semihosting_write(n, b, c) (void)n
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static inline int semihosting_fdprintf(unsigned int fd, const char *fmt, ...)
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{
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(void)fd;
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(void)fmt;
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return 0;
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}
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#define semihosting_read_ready(n) (void)n
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#define semihosting_write_ready(n) (void)n
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#else
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int semihosting_register(char *name);
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int semihosting_stdio(char *name);
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int semihosting_open(void *name);
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int semihosting_close(unsigned int fd);
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/* Buffered putc, will flush on '\n' or full buffer */
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int semihosting_putc(unsigned int fd, int c);
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int semihosting_read(unsigned int fd, void *buf, unsigned int count);
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int semihosting_write(unsigned int fd, const void *buf, unsigned int count);
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int semihosting_fdprintf(unsigned int fd, const char *fmt, ...);
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int semihosting_read_ready(unsigned int fd);
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int semihosting_write_ready(unsigned int fd);
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void semihosting_log_writer(const struct di_log_msg *msg, void *private_data);
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#endif
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#endif /* INCLUDE_DI_FW_SEMIHOSTING_H_ */
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