| /* |
| * SPDX-FileCopyrightText: Copyright 2022 Arm Limited and/or its affiliates |
| * <open-source-office@arm.com> SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #if !defined(USE_SEMIHOSTING) |
| |
| #include "uart_stdout.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <time.h> |
| |
| #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6100100) |
| /* Arm compiler re-targeting */ |
| |
| #include <rt_misc.h> |
| #include <rt_sys.h> |
| |
| /* Standard IO device handles. */ |
| #define STDIN 0x8001 |
| #define STDOUT 0x8002 |
| #define STDERR 0x8003 |
| |
| #define RETARGET(fun) _sys##fun |
| |
| #if __ARMCLIB_VERSION >= 6190004 |
| #define TMPNAM_FUNCTION RETARGET(_tmpnam2) |
| #else |
| #define TMPNAM_FUNCTION RETARGET(_tmpnam) |
| #endif |
| |
| #else |
| /* GNU compiler re-targeting */ |
| |
| /* |
| * This type is used by the _ I/O functions to denote an open |
| * file. |
| */ |
| typedef int FILEHANDLE; |
| |
| /* |
| * Open a file. May return -1 if the file failed to open. |
| */ |
| extern FILEHANDLE _open(const char* /*name*/, int /*openmode*/); |
| |
| /* Standard IO device handles. */ |
| #define STDIN 0x00 |
| #define STDOUT 0x01 |
| #define STDERR 0x02 |
| |
| #define RETARGET(fun) fun |
| |
| #define TMPNAM_FUNCTION RETARGET(_tmpnam) |
| |
| #endif |
| |
| /* Standard IO device name defines. */ |
| const char __stdin_name[] __attribute__((aligned(4))) = "STDIN"; |
| const char __stdout_name[] __attribute__((aligned(4))) = "STDOUT"; |
| const char __stderr_name[] __attribute__((aligned(4))) = "STDERR"; |
| |
| __attribute__((noreturn)) static void UartEndSimulation(int code) |
| { |
| UartPutc((char)0x4); // End of simulation |
| UartPutc((char)code); // Exit code |
| while (1) |
| ; |
| } |
| |
| void _ttywrch(int ch) |
| { |
| (void)fputc(ch, stdout); |
| } |
| |
| FILEHANDLE RETARGET(_open)(const char* name, int openmode) |
| { |
| (void)(openmode); |
| |
| if (strcmp(name, __stdin_name) == 0) { |
| return (STDIN); |
| } |
| |
| if (strcmp(name, __stdout_name) == 0) { |
| return (STDOUT); |
| } |
| |
| if (strcmp(name, __stderr_name) == 0) { |
| return (STDERR); |
| } |
| |
| return -1; |
| } |
| |
| int RETARGET(_write)(FILEHANDLE fh, const unsigned char* buf, unsigned int len, int mode) |
| { |
| (void)(mode); |
| |
| switch (fh) { |
| case STDOUT: |
| case STDERR: { |
| int c; |
| |
| while (len-- > 0) { |
| c = fputc(*buf++, stdout); |
| if (c == EOF) { |
| return EOF; |
| } |
| } |
| |
| return 0; |
| } |
| default: |
| return EOF; |
| } |
| } |
| |
| int RETARGET(_read)(FILEHANDLE fh, unsigned char* buf, unsigned int len, int mode) |
| { |
| (void)(mode); |
| |
| switch (fh) { |
| case STDIN: { |
| int c; |
| |
| while (len-- > 0) { |
| c = fgetc(stdin); |
| if (c == EOF) { |
| return EOF; |
| } |
| |
| *buf++ = (unsigned char)c; |
| } |
| |
| return 0; |
| } |
| default: |
| return EOF; |
| } |
| } |
| |
| int RETARGET(_istty)(FILEHANDLE fh) |
| { |
| switch (fh) { |
| case STDIN: |
| case STDOUT: |
| case STDERR: |
| return 1; |
| default: |
| return 0; |
| } |
| } |
| |
| int RETARGET(_close)(FILEHANDLE fh) |
| { |
| if (RETARGET(_istty(fh))) { |
| return 0; |
| } |
| |
| return -1; |
| } |
| |
| int RETARGET(_seek)(FILEHANDLE fh, long pos) |
| { |
| (void)(fh); |
| (void)(pos); |
| |
| return -1; |
| } |
| |
| int RETARGET(_ensure)(FILEHANDLE fh) |
| { |
| (void)(fh); |
| |
| return -1; |
| } |
| |
| long RETARGET(_flen)(FILEHANDLE fh) |
| { |
| if (RETARGET(_istty)(fh)) { |
| return 0; |
| } |
| |
| return -1; |
| } |
| |
| int TMPNAM_FUNCTION(char* name, int sig, unsigned int maxlen) |
| { |
| (void)(name); |
| (void)(sig); |
| (void)(maxlen); |
| |
| return 1; |
| } |
| |
| char* RETARGET(_command_string)(char* cmd, int len) |
| { |
| (void)(len); |
| |
| return cmd; |
| } |
| |
| void RETARGET(_exit)(int return_code) |
| { |
| UartEndSimulation(return_code); |
| while (1) |
| ; |
| } |
| |
| int system(const char* cmd) |
| { |
| (void)(cmd); |
| |
| return 0; |
| } |
| |
| time_t time(time_t* timer) |
| { |
| time_t current; |
| |
| current = 0; // To Do !! No RTC implemented |
| |
| if (timer != NULL) { |
| *timer = current; |
| } |
| |
| return current; |
| } |
| |
| void _clock_init(void) {} |
| |
| clock_t clock(void) |
| { |
| return (clock_t)-1; |
| } |
| |
| int remove(const char* arg) |
| { |
| (void)(arg); |
| |
| return 0; |
| } |
| |
| int rename(const char* oldn, const char* newn) |
| { |
| (void)(oldn); |
| (void)(newn); |
| |
| return 0; |
| } |
| |
| int fputc(int ch, FILE* f) |
| { |
| (void)(f); |
| |
| return UartPutc(ch); |
| } |
| |
| int fgetc(FILE* f) |
| { |
| (void)(f); |
| |
| return UartPutc(UartGetc()); |
| } |
| |
| #ifndef ferror |
| |
| /* arm-none-eabi-gcc with newlib uses a define for ferror */ |
| int ferror(FILE* f) |
| { |
| (void)(f); |
| |
| return EOF; |
| } |
| |
| #endif /* #ifndef ferror */ |
| |
| #endif /* !defined(USE_SEMIHOSTING) */ |
| |
| /* If using GNU compiler */ |
| #if defined(__GNUC__) |
| |
| /* If Arm GNU compiler version > 11.3.0 */ |
| #if __GNUC__ > 11 || \ |
| (__GNUC__ == 11 && (__GNUC_MINOR__ > 3 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ > 0))) |
| struct stat; |
| int _fstat_r(struct _reent* r, int fdes, struct stat* s) |
| { |
| (void)(r); |
| (void)(fdes); |
| (void)(s); |
| return -1; |
| } |
| |
| int _getpid_r(struct _reent* r) |
| { |
| (void)(r); |
| return -1; |
| } |
| |
| int _isatty_r(struct _reent* r, int desc) |
| { |
| (void)(r); |
| (void)(desc); |
| return -1; |
| } |
| |
| int _kill_r(struct _reent* r, int pid, int signal) |
| { |
| (void)(r); |
| (void)(pid); |
| (void)(signal); |
| return -1; |
| } |
| |
| _off_t _lseek_r(struct _reent* r, int fdes, _off_t offset, int w) |
| { |
| (void)(r); |
| (void)(fdes); |
| (void)(offset); |
| (void)(w); |
| return -1; |
| } |
| |
| #endif /* GNU toolchain version > 11.3.0 */ |
| #endif /* If using GNU toolchain */ |