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soc: intel_s1000_crb: fix XCC build error with newlib

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The Newlib in the XCC toolchain for intel_s1000_crb has a few
missing functions which are reentrant versions of the one
defined in lib/libc/newlib/libc-hooks.c. So make these call
the correct functions.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2019-11-26 14:19:36 -08:00 • committed by Anas Nashif
commit fc7916aeae
2 changed files with 110 additions and 0 deletions
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6
soc/xtensa/intel_s1000/CMakeLists.txt
View file

@ -3,3 +3,9 @@
zephyr_library()
zephyr_library_include_directories(${ZEPHYR_BASE}/drivers)
zephyr_library_sources(soc.c)
if("${ZEPHYR_TOOLCHAIN_VARIANT}" STREQUAL "xcc")
if(CONFIG_NEWLIB_LIBC)
zephyr_library_sources(xcc_newlib_fix.c)
endif()
endif()

104
soc/xtensa/intel_s1000/xcc_newlib_fix.c Normal file
View file

@ -0,0 +1,104 @@
/*
* Copyright (c) 2019, Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <toolchain.h>
#include <stdio.h>
#include <stddef.h>
#include <unistd.h>
#include <sys/stat.h>
#include <reent.h>
/* these externs are from lib/libc/newlib/libc-hooks.c */
extern int _read(int fd, char *buf, int nbytes);
extern int _write(int fd, const void *buf, int nbytes);
extern int _open(const char *name, int mode);
extern int _close(int file);
extern int _lseek(int file, int ptr, int dir);
extern int _isatty(int file);
extern int _kill(int i, int j);
extern int _getpid(void);
extern int _fstat(int file, struct stat *st);
extern void _exit(int status);
extern void *_sbrk(int count);
_ssize_t _read_r(struct _reent *r, int fd, void *buf, size_t nbytes)
{
ARG_UNUSED(r);
return _read(fd, (char *)buf, nbytes);
}
_ssize_t _write_r(struct _reent *r, int fd, const void *buf, size_t nbytes)
{
ARG_UNUSED(r);
return _write(fd, buf, nbytes);
}
int _open_r(struct _reent *r, const char *name, int flags, int mode)
{
ARG_UNUSED(r);
ARG_UNUSED(flags);
return _open(name, mode);
}
int _close_r(struct _reent *r, int file)
{
ARG_UNUSED(r);
return _close(file);
}
_off_t _lseek_r(struct _reent *r, int file, _off_t ptr, int dir)
{
ARG_UNUSED(r);
return _lseek(file, ptr, dir);
}
int _isatty_r(struct _reent *r, int file)
{
ARG_UNUSED(r);
return _isatty(file);
}
int _kill_r(struct _reent *r, int i, int j)
{
ARG_UNUSED(r);
return _kill(i, j);
}
int _getpid_r(struct _reent *r)
{
ARG_UNUSED(r);
return _getpid();
}
int _fstat_r(struct _reent *r, int file, struct stat *st)
{
ARG_UNUSED(r);
return _fstat(file, st);
}
void _exit_r(struct _reent *r, int status)
{
ARG_UNUSED(r);
_exit(status);
}
void *_sbrk_r(struct _reent *r, int count)
{
ARG_UNUSED(r);
return _sbrk(count);
}