diff options
Diffstat (limited to 'lib/non-semihosting/std.c')
-rw-r--r-- | lib/non-semihosting/std.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/lib/non-semihosting/std.c b/lib/non-semihosting/std.c new file mode 100644 index 0000000..ea91d5f --- /dev/null +++ b/lib/non-semihosting/std.c @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2013, ARM Limited. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <console.h> + +#if defined (__GNUC__) + +#include <stdio.h> +#include <stddef.h> /* size_t */ +#include <stdarg.h> /* va_list */ + +// Code from VTB. +#include "mem.c" + +// Make mem functions that will operate on DEV mem. "memset_io"? + + +//Code from VTB +#include "strlen.c" + +int puts(const char *s) +{ + int count = 0; + while(*s) + { + if (console_putc(*s++)) { + count++; + } else { + count = EOF; // -1 in stdio.h + break; + } + } + return count; +} + +// From VTB +#include "ctype.h" +#include "subr_prf.c" + + // Choose max of 128 chars for now. +#define PRINT_BUFFER_SIZE 128 +int printf(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + char buf[PRINT_BUFFER_SIZE]; + vsnprintf(buf, sizeof(buf) - 1, fmt, args); + buf[PRINT_BUFFER_SIZE - 1] = '\0'; + return puts(buf); +} + + +// I just made this up. Probably make it beter. +void __assert_func (const char *file, int l, const char *func, const char *error) +{ + printf("ASSERT: %s <%d> : %s\n\r", func, l, error); + while(1); +} + +extern void __assert_fail (const char *assertion, const char *file, + unsigned int line, const char *function) +{ + printf("ASSERT: %s <%d> : %s\n\r", function, line, assertion); + while(1); +} + + +// I just made this up. Probably make it beter. +void abort (void) +{ + printf("ABORT\n\r"); + while(1); +} + + +#else +#error "No standard library binding defined." +#endif |