diff options
| author | Clyne Sullivan <clyne@bitgloo.com> | 2021-01-22 21:43:36 -0500 |
|---|---|---|
| committer | Clyne Sullivan <clyne@bitgloo.com> | 2021-01-22 21:43:36 -0500 |
| commit | 48026bb824fd2d9cfb00ecd040db6ef3a416bae9 (patch) | |
| tree | c14713aedfe78ee8b34f2e1252408782e2e2ff5d /ChibiOS_20.3.2/os/sb/various/syscalls.c | |
| parent | e080a26651f90c88176140d63a74c93c2f4041a2 (diff) | |
upload initial port
Diffstat (limited to 'ChibiOS_20.3.2/os/sb/various/syscalls.c')
| -rw-r--r-- | ChibiOS_20.3.2/os/sb/various/syscalls.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/ChibiOS_20.3.2/os/sb/various/syscalls.c b/ChibiOS_20.3.2/os/sb/various/syscalls.c new file mode 100644 index 0000000..4d3ae0f --- /dev/null +++ b/ChibiOS_20.3.2/os/sb/various/syscalls.c @@ -0,0 +1,142 @@ +/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+ 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.
+*/
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "sbuser.h"
+
+#define MAKERR(e) (-(int)(e))
+
+__attribute__((used))
+int _close_r(struct _reent *r, int file) {
+ uint32_t err;
+
+ err = sbFileClose((uint32_t)file);
+ if (SB_ERR_ISERROR(err)) {
+ __errno_r(r) = MAKERR(err);
+ return -1;
+ }
+
+ return 0;
+}
+
+__attribute__((used))
+int _write_r(struct _reent *r, int file, char * ptr, int len) {
+ uint32_t err;
+
+ err = sbFileWrite((uint32_t)file, (const uint8_t *)ptr, (size_t)len);
+ if (SB_ERR_ISERROR(err)) {
+ __errno_r(r) = MAKERR(err);
+ return -1;
+ }
+
+ return (int)err;
+}
+
+__attribute__((used))
+int _read_r(struct _reent *r, int file, char * ptr, int len) {
+ uint32_t err;
+
+ err = sbFileRead((uint32_t)file, (uint8_t *)ptr, (size_t)len);
+ if (SB_ERR_ISERROR(err)) {
+ __errno_r(r) = MAKERR(err);
+ return -1;
+ }
+
+ return (int)err;
+}
+
+__attribute__((used))
+int _lseek_r(struct _reent *r, int file, int ptr, int dir) {
+ uint32_t err;
+
+ err = sbFileSeek((uint32_t)file, (uint32_t)ptr, (uint32_t)dir);
+ if (SB_ERR_ISERROR(err)) {
+ __errno_r(r) = MAKERR(err);
+ return -1;
+ }
+
+ return (int)err;
+}
+
+__attribute__((used))
+int _fstat_r(struct _reent *r, int file, struct stat * st) {
+ (void)r;
+ (void)file;
+
+ memset(st, 0, sizeof(*st));
+ st->st_mode = S_IFCHR;
+ return 0;
+}
+
+__attribute__((used))
+int _isatty_r(struct _reent *r, int fd) {
+ (void)r;
+ (void)fd;
+
+ return 1;
+}
+
+__attribute__((used))
+caddr_t _sbrk_r(struct _reent *r, int incr) {
+ extern uint8_t __heap_end__, __heap_base__;
+ static uint8_t *p = &__heap_base__;
+ uint8_t *prevp;
+
+ prevp = p;
+ if ((p + incr > &__heap_end__) ||
+ (p + incr < &__heap_base__)) {
+ __errno_r(r) = ENOMEM;
+ return (caddr_t)-1;
+ }
+
+ p += incr;
+ return (caddr_t)prevp;
+}
+
+__attribute__((used))
+int _getpid_r(struct _reent *r) {
+
+ (void)r;
+
+ return 1;
+}
+
+__attribute__((used))
+int _kill_r(struct _reent *r, int pid, int sig) {
+
+ (void)pid;
+ (void)sig;
+
+ __errno_r(r) = EINVAL;
+ return -1;
+}
+
+__attribute__((used))
+void _exit(int code) {
+
+ sbExit((msg_t)code);
+ while (true);
+}
+
+/*** EOF ***/
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