mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 05:51:04 +00:00
151 lines
3.9 KiB
C
151 lines
3.9 KiB
C
/* e_printf.c
|
|
|
|
Copyright (c) 2011, Adapteva, Inc.
|
|
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 Adapteva 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 <stdarg.h>
|
|
#include <string.h>
|
|
|
|
|
|
|
|
|
|
int trap_7( char *s , int _bsize, int _argsize) {
|
|
volatile register void* buff_adrr asm("r0") = s;
|
|
volatile register unsigned bsize asm("r1") = _bsize;
|
|
volatile register unsigned argsize asm("r2") = _argsize;
|
|
volatile register int result asm("r0");
|
|
__asm__ __volatile__ ("trap 7" : "=r" (result) : "r" (buff_adrr), "r" (bsize) , "r" (argsize));
|
|
return result;
|
|
|
|
}
|
|
|
|
//#include <stdio.h>
|
|
//#include <string.h>
|
|
//#include <stdlib.h>
|
|
|
|
volatile static int*fp_int =0;
|
|
volatile int getIntFromFloat(float *f) {
|
|
fp_int= (int*)f;
|
|
|
|
return *fp_int;
|
|
}
|
|
|
|
|
|
int e_printf(const char *fmt, ...) {
|
|
|
|
char buf[256],*p,*fmt_p;
|
|
va_list args;
|
|
int percentMet=0;
|
|
int pos = 0;
|
|
|
|
char *v_arg_s;
|
|
unsigned v_arg_int;
|
|
float fl_f[1];
|
|
|
|
unsigned fmt_len = strnlen(fmt,128);
|
|
|
|
fmt_p = (char*)fmt;
|
|
|
|
//printf("---- 111 +++ %d \n", strlen(fmt));
|
|
|
|
va_start(args, fmt);
|
|
|
|
p = (char*)buf;
|
|
|
|
strcpy(buf,fmt);
|
|
pos =fmt_len;
|
|
p[pos] = '\0';
|
|
pos++;
|
|
|
|
va_start(args, fmt);
|
|
|
|
while (*fmt_p) {
|
|
|
|
// putchar(*p);
|
|
// puts("");
|
|
|
|
if(*fmt_p == '%') {
|
|
percentMet=1;
|
|
}
|
|
if(*fmt_p == 's' && percentMet == 1 ) {
|
|
percentMet=0;
|
|
v_arg_s = va_arg(args, char *);
|
|
if (!v_arg_s) v_arg_s = "<NULL>";
|
|
|
|
strcpy(p + pos , v_arg_s );
|
|
pos+=strlen(v_arg_s);
|
|
|
|
p[pos] = '\0';
|
|
pos++;
|
|
}
|
|
|
|
if((*fmt_p == 'i' || *fmt_p == 'd' || *fmt_p == 'u' || *fmt_p == 'x' || *fmt_p == 'f' ) && percentMet == 1 ) {
|
|
percentMet=0;
|
|
if(*fmt_p == 'f' ) {
|
|
fl_f[0] = (float)va_arg(args, double);
|
|
//printf("v_arg_ float --- %f \n", fl_f[0]);
|
|
//printf("v_arg_ p --- %x \n", *( (unsigned *)fl_f));
|
|
|
|
v_arg_int = getIntFromFloat (fl_f);
|
|
|
|
//v_arg_int = 0;
|
|
|
|
} else {
|
|
v_arg_int = (int)va_arg(args, int);
|
|
}
|
|
|
|
// if(*fmt_p == 'd') {
|
|
// printf("v_arg_int --- %d \n", v_arg_int);
|
|
// }
|
|
// if(*fmt_p == 'x') {
|
|
// printf("v_arg_int --- %x \n", v_arg_int);
|
|
// }
|
|
// if(*fmt_p == 'f') {
|
|
// printf("fff++v_arg_int --- %x \n", v_arg_int);
|
|
// fl = (float*)&v_arg_int;
|
|
// printf("fff++ v_arg_float --- %f \n", *fl);
|
|
// }
|
|
|
|
*(p + pos) = ((v_arg_int>>24) & 0xff);
|
|
pos++;
|
|
*(p + pos) = ((v_arg_int>>16) & 0xff);
|
|
pos++;
|
|
*(p + pos) = ((v_arg_int>>8) & 0xff);
|
|
pos++;
|
|
*(p + pos) = ((v_arg_int>>0) & 0xff);
|
|
pos++;
|
|
}
|
|
|
|
fmt_p++;
|
|
}
|
|
|
|
va_end(args);
|
|
|
|
//printf(" +++ %d %d \n" , strlen(fmt), pos);
|
|
|
|
return trap_7((char*)buf ,fmt_len, pos) ;
|
|
//return 1;
|
|
}
|