135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
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/* retarget.c
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include "hw.h"
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#include "user_settings.h"
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#include <stdio.h>
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void __assert(const char *__expression, const char *__filename, int __line)
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{
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printf("Assert: %s, File %s (%d)\n", __expression, __filename, __line);
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}
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unsigned long ksdk_time(unsigned long* timer)
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{
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(void)timer;
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return hw_get_time_sec();
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}
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unsigned int LowResTimer(void)
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{
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return hw_get_time_sec();
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}
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double current_time(int reset)
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{
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double time;
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(void)reset;
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time = hw_get_time_sec();
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time += (double)hw_get_time_msec() / 1000;
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return time;
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}
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unsigned int custom_rand_generate(void)
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{
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return hw_rand();
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}
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int custom_rand_generate_block(unsigned char* output, unsigned int sz)
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{
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uint32_t i = 0;
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while (i < sz)
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{
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/* If not aligned or there is odd/remainder */
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if( (i + sizeof(CUSTOM_RAND_TYPE)) > sz ||
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((uint32_t)&output[i] % sizeof(CUSTOM_RAND_TYPE)) != 0
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) {
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/* Single byte at a time */
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output[i++] = (unsigned char)custom_rand_generate();
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}
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else {
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/* Use native 8, 16, 32 or 64 copy instruction */
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*((CUSTOM_RAND_TYPE*)&output[i]) = custom_rand_generate();
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i += sizeof(CUSTOM_RAND_TYPE);
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}
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}
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return 0;
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}
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// Debug print handler
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int __putchar(int c, __printf_tag_ptr ctx)
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{
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hw_uart_printchar(c);
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}
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/* C library support function to write buffer (always to UART) */
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int __write(int __fildes, const unsigned char *__buf, unsigned __len)
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{
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(void)__fildes;
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for (unsigned i = 0; i < __len; i++) {
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hw_uart_printchar((int)__buf[i]);
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}
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}
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extern unsigned char __stack_process_start__[];
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unsigned char * __aeabi_read_tp(void)
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{
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// thread-local storage addressing refers to the thread pointer
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// This is returning start address of stack process
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return (__stack_process_start__);
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}
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/* Stubs */
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void __heap_lock(void)
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{
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}
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void __heap_unlock(void)
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{
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}
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void __printf_lock(void)
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{
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}
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void __printf_unlock(void)
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{
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}
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void __scanf_lock(void)
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{
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}
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void __scanf_unlock(void)
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{
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}
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void __debug_io_lock(void)
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{
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}
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void __debug_io_unlock(void)
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{
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}
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