j3d1/esp-open-rtos
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Merge remote-tracking branch 'upstream/master'

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This commit is contained in:
Johan Kanflo 2015-10-05 21:18:34 +02:00
commit 20a3b4c0cd
101 changed files with 8203 additions and 1133 deletions
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49
core/newlib_syscalls.c
View file

@ -6,6 +6,7 @@
*/
#include <sys/reent.h>
#include <sys/types.h>
#include <sys/errno.h>
#include <espressif/sdk_private.h>
#include <common_macros.h>
#include <stdlib.h>
@ -37,6 +38,10 @@ IRAM caddr_t _sbrk_r (struct _reent *r, int incr)
*/
long _write_r(struct _reent *r, int fd, const char *ptr, int len )
{
if(fd != r->_stdout->_file) {
r->_errno = EBADF;
return -1;
}
for(int i = 0; i < len; i++)
sdk_os_putc(ptr[i]);
return len;
@ -49,29 +54,31 @@ long _write_r(struct _reent *r, int fd, const char *ptr, int len )
*/
long __attribute__((weak)) _read_r( struct _reent *r, int fd, char *ptr, int len )
{
for(int i = 0; i < len; i++) {
char ch;
while (sdk_uart_rx_one_char(&ch)) ;
ptr[i] = ch;
}
return len;
if(fd != r->_stdin->_file) {
r->_errno = EBADF;
return -1;
}
for(int i = 0; i < len; i++) {
char ch;
while (sdk_uart_rx_one_char(&ch)) ;
ptr[i] = ch;
}
return len;
}
/* These are stub implementations for the reentrant syscalls that
* newlib is configured to expect */
int _fstat_r(struct _reent *r, int fd, void *buf)
/* Stub syscall implementations follow, to allow compiling newlib functions that
pull these in via various codepaths
*/
__attribute__((alias("syscall_returns_enosys"))) int _open_r(struct _reent *r, const char *pathname, int flags, int mode);
__attribute__((alias("syscall_returns_enosys"))) int _fstat_r(struct _reent *r, int fd, void *buf);
__attribute__((alias("syscall_returns_enosys"))) int _close_r(struct _reent *r, int fd);
__attribute__((alias("syscall_returns_enosys"))) off_t _lseek_r(struct _reent *r, int fd, off_t offset, int whence);
/* Generic stub for any newlib syscall that fails with errno ENOSYS
("Function not implemented") and a return value equivalent to
(int)-1. */
static int syscall_returns_enosys(struct _reent *r)
{
r->_errno=ENOSYS;
return -1;
}
int _close_r(struct _reent *r, int fd)
{
return -1;
}
off_t _lseek_r(struct _reent *r, int fd, off_t offset, int whence)
{
return (off_t)-1;
}