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-rw-r--r--os/src/close.c14
-rw-r--r--os/src/fclose.c8
-rw-r--r--os/src/fflush.c7
-rw-r--r--os/src/fio.c2
-rw-r--r--os/src/fopen.c8
-rw-r--r--os/src/fprintf.c14
-rw-r--r--os/src/fread.c7
-rw-r--r--os/src/free.c8
-rw-r--r--os/src/fstat.c27
-rw-r--r--os/src/fwrite.c7
-rw-r--r--os/src/init.c9
-rw-r--r--os/src/isatty.c15
-rw-r--r--os/src/lseek.c27
-rw-r--r--os/src/malloc.c23
-rw-r--r--os/src/open.c17
-rw-r--r--os/src/printf.c14
-rw-r--r--os/src/read.c24
-rw-r--r--os/src/romfs.c2
-rw-r--r--os/src/sbrk.c21
-rw-r--r--os/src/semifs.c2
-rw-r--r--os/src/sprintf.c14
-rw-r--r--os/src/write.c24
22 files changed, 18 insertions, 276 deletions
diff --git a/os/src/close.c b/os/src/close.c
deleted file mode 100644
index 5da8b2c..0000000
--- a/os/src/close.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <reent.h>
-#include <errno.h>
-#include "fio.h"
-#include "osdebug.h"
-
-int _close_r(struct _reent * reent, int fd) {
-// DBGOUT("_close_r(%p, %i)\r\n", reent, fd);
- if (!fio_is_open(fd)) {
- reent->_errno = EBADF;
- return -1;
- }
-
- return fio_close(fd);
-}
diff --git a/os/src/fclose.c b/os/src/fclose.c
deleted file mode 100644
index 4c4c3fc..0000000
--- a/os/src/fclose.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <stdio.h>
-#include <reent.h>
-#include "osdebug.h"
-
-int fclose(FILE * fp) {
-// DBGOUT("fclose(%p)\r\n", fp);
- return _fclose_r(_impure_ptr, fp);
-}
diff --git a/os/src/fflush.c b/os/src/fflush.c
deleted file mode 100644
index 84e2c67..0000000
--- a/os/src/fflush.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <stdio.h>
-#include "osdebug.h"
-
-int fflush(FILE * file) {
-// DBGOUT("fflush(%p)\r\n", file);
- return _fflush_r(_impure_ptr, file);
-}
diff --git a/os/src/fio.c b/os/src/fio.c
index 432f7e2..d579bf4 100644
--- a/os/src/fio.c
+++ b/os/src/fio.c
@@ -3,9 +3,11 @@
#include <FreeRTOS.h>
#include <semphr.h>
#include <unistd.h>
+#ifdef USE_NEWLIB
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#endif
#include "fio.h"
#include "filesystem.h"
#include "osdebug.h"
diff --git a/os/src/fopen.c b/os/src/fopen.c
deleted file mode 100644
index 22ac269..0000000
--- a/os/src/fopen.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <stdio.h>
-#include <reent.h>
-#include "osdebug.h"
-
-FILE * fopen(const char * path, const char * mode) {
-// DBGOUT("fopen(\"%s\", \"%s\")\r\n", path, mode);
- return _fopen_r(_impure_ptr, path, mode);
-}
diff --git a/os/src/fprintf.c b/os/src/fprintf.c
deleted file mode 100644
index a56ed33..0000000
--- a/os/src/fprintf.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <reent.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include "osdebug.h"
-
-int fprintf(FILE * file, const char * fmt, ...) {
- int r;
- va_list ap;
-// DBGOUT("fprintf(%p, %p, ...)\r\n", file, fmt);
- va_start(ap, fmt);
- r = _vfprintf_r(_impure_ptr, file, fmt, ap);
- va_end(ap);
- return r;
-}
diff --git a/os/src/fread.c b/os/src/fread.c
deleted file mode 100644
index 3f39c1e..0000000
--- a/os/src/fread.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <stdio.h>
-#include "osdebug.h"
-
-size_t fread(void * ptr, size_t size, size_t nmemb, FILE * file) {
-// DBGOUT("fread(%p, %i, %i, %p)\r\n", ptr, size, nmemb, file);
- return _fread_r(_impure_ptr, ptr, size, nmemb, file);
-}
diff --git a/os/src/free.c b/os/src/free.c
deleted file mode 100644
index a011077..0000000
--- a/os/src/free.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <reent.h>
-#include <malloc.h>
-#include "osdebug.h"
-
-void free(void * ptr) {
-// DBGOUT("free(%p)\r\n", ptr);
- _free_r(_impure_ptr, ptr);
-}
diff --git a/os/src/fstat.c b/os/src/fstat.c
deleted file mode 100644
index a7c251f..0000000
--- a/os/src/fstat.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <reent.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-#include "fio.h"
-#include "osdebug.h"
-
-int _fstat_r(struct _reent * reent, int fd, struct stat * buf) {
- off_t c;
-// DBGOUT("_fstat_r(%p, %i, %p)\r\n", reent, fd, buf);
- memset(buf, 0, sizeof(struct stat));
-
- if (!fio_is_open(fd)) {
- reent->_errno = EBADF;
- return -1;
- }
-
- buf->st_mode = S_IFCHR;
- buf->st_blksize = 1024;
- c = fio_seek(fd, 0, SEEK_CUR);
- if (c >= 0) {
- buf->st_size = fio_seek(fd, 0, SEEK_END);
- fio_seek(fd, c, SEEK_SET);
- }
-
- return 0;
-}
diff --git a/os/src/fwrite.c b/os/src/fwrite.c
deleted file mode 100644
index 6a10db0..0000000
--- a/os/src/fwrite.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <stdio.h>
-#include "osdebug.h"
-
-size_t fwrite(const void * ptr, size_t size, size_t nmemb, FILE * file) {
-// DBGOUT("fwrite(%p, %i, %i, %p)\r\n", ptr, size, nmemb, file);
- return _fwrite_r(_impure_ptr, ptr, size, nmemb, file);
-}
diff --git a/os/src/init.c b/os/src/init.c
index 5ab7899..edbae0a 100644
--- a/os/src/init.c
+++ b/os/src/init.c
@@ -1,4 +1,5 @@
#include <stdlib.h>
+#include <stdio.h>
#include <BoardConsole.h>
void __libc_init_array();
@@ -27,3 +28,11 @@ void _start() {
atexit(__libc_fini_array);
exit(main(0, NULL, NULL));
}
+
+void startup_memcpy(void * dest, const void * src, size_t n) {
+ memcpy(dest, src, n);
+}
+
+void startup_memset(void * dest, int c, size_t n) {
+ memset(dest, c, n);
+}
diff --git a/os/src/isatty.c b/os/src/isatty.c
deleted file mode 100644
index b37a9dc..0000000
--- a/os/src/isatty.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#include <unistd.h>
-#include <reent.h>
-#include <errno.h>
-#include "fio.h"
-#include "osdebug.h"
-
-int _isatty_r(struct _reent * reent, int fd) {
-// DBGOUT("_isatty_r(%p, %i)\r\n", reent, fd);
- if (!fio_is_open(fd)) {
- reent->_errno = EBADF;
- return 0;
- }
- reent->_errno = EINVAL;
- return 0;
-}
diff --git a/os/src/lseek.c b/os/src/lseek.c
deleted file mode 100644
index 1e904a5..0000000
--- a/os/src/lseek.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <reent.h>
-#include <osdebug.h>
-#include <errno.h>
-#include "fio.h"
-#include "osdebug.h"
-
-_off_t _lseek_r(struct _reent * reent, int fd, _off_t seek, int wheel) {
- off_t r;
-// DBGOUT("_lseek_r(%p, %i, %i, %i)\r\n", reent, fd, seek, wheel);
-
- if ((wheel != SEEK_SET) && (wheel != SEEK_CUR) && (wheel != SEEK_END)) {
- reent->_errno = EINVAL;
- return -1;
- }
-
- if (!fio_is_open(fd)) {
- reent->_errno = EBADF;
- return -1;
- }
-
- r = fio_seek(fd, seek, wheel);
-
- if (r < 0)
- reent->_errno = EINVAL;
-
- return r;
-}
diff --git a/os/src/malloc.c b/os/src/malloc.c
deleted file mode 100644
index 3d867d0..0000000
--- a/os/src/malloc.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <reent.h>
-#include <malloc.h>
-#include <FreeRTOS.h>
-#include <semphr.h>
-#include "osdebug.h"
-
-static xSemaphoreHandle malloc_sem = NULL;
-
-__attribute__((constructor)) static void malloc_init() {
- malloc_sem = xSemaphoreCreateMutex();
-}
-
-void * malloc(size_t size) {
- void * ptr;
-// DBGOUT("malloc(%i)\r\n", size);
-
- if (malloc_sem)
- xSemaphoreTake(malloc_sem, portMAX_DELAY);
- ptr =_malloc_r(_impure_ptr, size);
- if (malloc_sem)
- xSemaphoreGive(malloc_sem);
- return ptr;
-}
diff --git a/os/src/open.c b/os/src/open.c
deleted file mode 100644
index 5298fd8..0000000
--- a/os/src/open.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <stdio.h>
-#include <reent.h>
-#include <errno.h>
-#include "fio.h"
-#include "filesystem.h"
-#include "osdebug.h"
-
-int _open_r(struct _reent * reent, const char * path, int flags, int mode) {
-// DBGOUT("_open_r(%p, \"%s\", flags, mode)\r\n", reent, path, flags, mode);
- int r = fs_open(path, flags, mode);
-
- if (r >= 0)
- return r;
-
- reent->_errno = EACCES;
- return -1;
-}
diff --git a/os/src/printf.c b/os/src/printf.c
deleted file mode 100644
index 80b6b94..0000000
--- a/os/src/printf.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <reent.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <osdebug.h>
-
-int printf(const char * fmt, ...) {
- int r;
- va_list ap;
-// DBGOUT("printf(\"%p\", ...)\r\n", fmt);
- va_start(ap, fmt);
- r = _vprintf_r(_impure_ptr, fmt, ap);
- va_end(ap);
- return r;
-}
diff --git a/os/src/read.c b/os/src/read.c
deleted file mode 100644
index 845092b..0000000
--- a/os/src/read.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include <reent.h>
-#include <osdebug.h>
-#include <errno.h>
-#include "fio.h"
-
-_ssize_t _read_r(struct _reent * reent, int fd, void * buf, size_t size) {
- _ssize_t r;
-
-// DBGOUT("_read_r(%p, %i, %p, %i)\r\n", reent, fd, buf, size);
-
- if (!fio_is_open(fd)) {
- reent->_errno = EBADF;
- return -1;
- }
-
- r = fio_read(fd, buf, size);
-
- if (r < 0) {
- reent->_errno = EINVAL;
- return -1;
- }
-
- return r;
-}
diff --git a/os/src/romfs.c b/os/src/romfs.c
index 2d11d96..df55f48 100644
--- a/os/src/romfs.c
+++ b/os/src/romfs.c
@@ -2,9 +2,11 @@
#include <FreeRTOS.h>
#include <semphr.h>
#include <unistd.h>
+#ifdef USE_NEWLIB
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#endif
#include "fio.h"
#include "filesystem.h"
#include "romfs.h"
diff --git a/os/src/sbrk.c b/os/src/sbrk.c
index 53efe1e..fcb6b7a 100644
--- a/os/src/sbrk.c
+++ b/os/src/sbrk.c
@@ -9,27 +9,15 @@
#include "osdebug.h"
-// Mostly stolen from mbed-freertos
-
extern uintptr_t __heap_start;
extern uintptr_t __stack_start;
-/* Low-level bulk RAM allocator -- used by Newlib's Malloc */
-static void *heap_end = (void *) &__heap_start;
-
-static xSemaphoreHandle sbrk_sem = NULL;
-
-__attribute__((constructor)) static void sbrk_init() {
- sbrk_sem = xSemaphoreCreateMutex();
-}
+static void * heap_end = (void *) &__heap_start;
-void *_sbrk_r(struct _reent *ptr, ptrdiff_t incr) {
+void * sbrk(ptrdiff_t incr) {
void *prev_heap_end, *next_heap_end, *ret;
void *stack_min = (void *) &__stack_start;
- if (sbrk_sem)
- xSemaphoreTake(sbrk_sem, portMAX_DELAY);
-
prev_heap_end = heap_end;
/* Align to always be on 8-byte boundaries */
@@ -37,15 +25,12 @@ void *_sbrk_r(struct _reent *ptr, ptrdiff_t incr) {
/* Check if this allocation would exceed the end of the ram - would probably get into the stack first however */
if (next_heap_end > stack_min) {
- ptr->_errno = ENOMEM;
+ _impure_ptr->_errno = ENOMEM;
ret = NULL;
} else {
heap_end = next_heap_end;
ret = (void *)prev_heap_end;
}
- if (sbrk_sem)
- xSemaphoreGive(sbrk_sem);
-
return ret;
}
diff --git a/os/src/semifs.c b/os/src/semifs.c
index fc7d0b1..1d92dc2 100644
--- a/os/src/semifs.c
+++ b/os/src/semifs.c
@@ -22,7 +22,9 @@
#include <string.h>
#include <errno.h>
#include <stdint.h>
+#ifdef USE_NEWLIB
#include <fcntl.h>
+#endif
#include <angel.h>
diff --git a/os/src/sprintf.c b/os/src/sprintf.c
deleted file mode 100644
index 755d780..0000000
--- a/os/src/sprintf.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <reent.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <osdebug.h>
-
-int sprintf(char * str, const char * fmt, ...) {
- int r;
- va_list ap;
-// DBGOUT("sprintf(%p, %p, ...)\r\n", str, fmt);
- va_start(ap, fmt);
- r = _vsprintf_r(_impure_ptr, str, fmt, ap);
- va_end(ap);
- return r;
-}
diff --git a/os/src/write.c b/os/src/write.c
deleted file mode 100644
index c54e304..0000000
--- a/os/src/write.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include <reent.h>
-#include <osdebug.h>
-#include <errno.h>
-#include "fio.h"
-
-_ssize_t _write_r(struct _reent * reent, int fd, const void * buf, size_t size) {
- _ssize_t r;
-
-// DBGOUT("_write_r(%p, %i, %p, %i)\r\n", reent, fd, buf, size);
-
- if (!fio_is_open(fd)) {
- reent->_errno = EBADF;
- return -1;
- }
-
- r = fio_write(fd, buf, size);
-
- if (r < 0) {
- reent->_errno = EINVAL;
- return -1;
- }
-
- return r;
-}
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