mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-30 22:51:41 +01:00
210 lines
7.2 KiB
C
210 lines
7.2 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include "sdkconfig.h"
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/unistd.h>
|
|
#include <sys/reent.h>
|
|
#include <assert.h>
|
|
#include "esp_newlib.h"
|
|
#include "esp_attr.h"
|
|
#include "soc/soc_caps.h"
|
|
#include "esp_rom_caps.h"
|
|
|
|
#if CONFIG_IDF_TARGET_ESP32
|
|
#include "esp32/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32S2
|
|
#include "esp32s2/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32S3
|
|
#include "esp32s3/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32C3
|
|
#include "esp32c3/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32C2
|
|
#include "esp32c2/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32C6
|
|
#include "esp32c6/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32H2
|
|
#include "esp32h2/rom/libc_stubs.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32P4
|
|
#include "esp32p4/rom/libc_stubs.h"
|
|
#endif
|
|
|
|
extern int _printf_float(struct _reent *rptr,
|
|
void *pdata,
|
|
FILE * fp,
|
|
int (*pfunc) (struct _reent *, FILE *, const char *, size_t len),
|
|
va_list * ap);
|
|
|
|
|
|
extern int _scanf_float(struct _reent *rptr,
|
|
void *pdata,
|
|
FILE *fp,
|
|
va_list *ap);
|
|
|
|
static void raise_r_stub(struct _reent *rptr)
|
|
{
|
|
_raise_r(rptr, 0);
|
|
}
|
|
|
|
static void esp_cleanup_r (struct _reent *rptr)
|
|
{
|
|
if (_REENT_STDIN(rptr) != _REENT_STDIN(_GLOBAL_REENT)) {
|
|
_fclose_r(rptr, _REENT_STDIN(rptr));
|
|
}
|
|
|
|
if (_REENT_STDOUT(rptr) != _REENT_STDOUT(_GLOBAL_REENT)) {
|
|
_fclose_r(rptr, _REENT_STDOUT(rptr));
|
|
}
|
|
|
|
if (_REENT_STDERR(rptr) !=_REENT_STDERR(_GLOBAL_REENT)) {
|
|
_fclose_r(rptr, _REENT_STDERR(rptr));
|
|
}
|
|
}
|
|
|
|
static struct syscall_stub_table s_stub_table = {
|
|
.__getreent = &__getreent,
|
|
._malloc_r = &_malloc_r,
|
|
._free_r = &_free_r,
|
|
._realloc_r = &_realloc_r,
|
|
._calloc_r = &_calloc_r,
|
|
._abort = &abort,
|
|
._system_r = &_system_r,
|
|
._rename_r = &_rename_r,
|
|
._times_r = &_times_r,
|
|
._gettimeofday_r = &_gettimeofday_r,
|
|
._raise_r = &raise_r_stub,
|
|
._unlink_r = &_unlink_r,
|
|
._link_r = &_link_r,
|
|
._stat_r = &_stat_r,
|
|
._fstat_r = &_fstat_r,
|
|
._sbrk_r = &_sbrk_r,
|
|
._getpid_r = &_getpid_r,
|
|
._kill_r = &_kill_r,
|
|
._exit_r = NULL, // never called in ROM
|
|
._close_r = &_close_r,
|
|
._open_r = &_open_r,
|
|
._write_r = (int (*)(struct _reent *r, int, const void *, int)) &_write_r,
|
|
._lseek_r = (int (*)(struct _reent *r, int, int, int)) &_lseek_r,
|
|
._read_r = (int (*)(struct _reent *r, int, void *, int)) &_read_r,
|
|
#if ESP_ROM_HAS_RETARGETABLE_LOCKING
|
|
._retarget_lock_init = &__retarget_lock_init,
|
|
._retarget_lock_init_recursive = &__retarget_lock_init_recursive,
|
|
._retarget_lock_close = &__retarget_lock_close,
|
|
._retarget_lock_close_recursive = &__retarget_lock_close_recursive,
|
|
._retarget_lock_acquire = &__retarget_lock_acquire,
|
|
._retarget_lock_acquire_recursive = &__retarget_lock_acquire_recursive,
|
|
._retarget_lock_try_acquire = &__retarget_lock_try_acquire,
|
|
._retarget_lock_try_acquire_recursive = &__retarget_lock_try_acquire_recursive,
|
|
._retarget_lock_release = &__retarget_lock_release,
|
|
._retarget_lock_release_recursive = &__retarget_lock_release_recursive,
|
|
#else
|
|
._lock_init = &_lock_init,
|
|
._lock_init_recursive = &_lock_init_recursive,
|
|
._lock_close = &_lock_close,
|
|
._lock_close_recursive = &_lock_close_recursive,
|
|
._lock_acquire = &_lock_acquire,
|
|
._lock_acquire_recursive = &_lock_acquire_recursive,
|
|
._lock_try_acquire = &_lock_try_acquire,
|
|
._lock_try_acquire_recursive = &_lock_try_acquire_recursive,
|
|
._lock_release = &_lock_release,
|
|
._lock_release_recursive = &_lock_release_recursive,
|
|
#endif
|
|
#ifdef CONFIG_NEWLIB_NANO_FORMAT
|
|
._printf_float = &_printf_float,
|
|
._scanf_float = &_scanf_float,
|
|
#else
|
|
._printf_float = NULL,
|
|
._scanf_float = NULL,
|
|
#endif
|
|
#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 \
|
|
|| CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2 || CONFIG_IDF_TARGET_ESP32P4
|
|
/* TODO IDF-2570 : mark that this assert failed in ROM, to avoid confusion between IDF & ROM
|
|
assertion failures (as function names & source file names will be similar)
|
|
*/
|
|
.__assert_func = __assert_func,
|
|
|
|
/* We don't expect either ROM code to ever call __sinit, so it's implemented as abort() for now.
|
|
|
|
__sinit may be called in IDF side only if /dev/console used as input/output. It called only
|
|
once for _GLOBAL_REENT. Then reuse std file pointers from _GLOBAL_REENT in another reents.
|
|
See esp_newlib_init() and esp_reent_init() for details.
|
|
*/
|
|
.__sinit = (void *)abort,
|
|
._cleanup_r = &esp_cleanup_r,
|
|
#endif
|
|
};
|
|
|
|
void esp_newlib_init(void)
|
|
{
|
|
#if CONFIG_IDF_TARGET_ESP32
|
|
syscall_table_ptr_pro = syscall_table_ptr_app = &s_stub_table;
|
|
#elif CONFIG_IDF_TARGET_ESP32S2
|
|
syscall_table_ptr_pro = &s_stub_table;
|
|
#else
|
|
syscall_table_ptr = &s_stub_table;
|
|
#endif
|
|
|
|
#if __NEWLIB__ > 4 || ( __NEWLIB__ == 4 && __NEWLIB_MINOR__ > 1 ) /* TODO: IDF-8134 */
|
|
memset(&__sglue, 0, sizeof(__sglue));
|
|
_global_impure_ptr = _GLOBAL_REENT;
|
|
#else
|
|
static struct _reent s_reent;
|
|
_GLOBAL_REENT = &s_reent;
|
|
#endif
|
|
|
|
/* Ensure that the initialization of sfp is prevented until esp_newlib_init_global_stdio() is explicitly invoked. */
|
|
_GLOBAL_REENT->__cleanup = esp_cleanup_r;
|
|
_REENT_SDIDINIT(_GLOBAL_REENT) = 1;
|
|
|
|
environ = malloc(sizeof(char*));
|
|
if (environ == 0) {
|
|
// if allocation fails this early in startup process, there's nothing else other than to panic.
|
|
abort();
|
|
}
|
|
environ[0] = NULL;
|
|
|
|
esp_newlib_locks_init();
|
|
}
|
|
|
|
void esp_setup_newlib_syscalls(void) __attribute__((alias("esp_newlib_init")));
|
|
|
|
void esp_newlib_init_global_stdio(const char *stdio_dev)
|
|
{
|
|
if (stdio_dev == NULL)
|
|
{
|
|
_GLOBAL_REENT->__cleanup = NULL;
|
|
_REENT_SDIDINIT(_GLOBAL_REENT) = 0;
|
|
__sinit(_GLOBAL_REENT);
|
|
_GLOBAL_REENT->__cleanup = esp_cleanup_r;
|
|
_REENT_SDIDINIT(_GLOBAL_REENT) = 1;
|
|
} else {
|
|
_REENT_STDIN(_GLOBAL_REENT) = fopen(stdio_dev, "r");
|
|
_REENT_STDOUT(_GLOBAL_REENT) = fopen(stdio_dev, "w");
|
|
_REENT_STDERR(_GLOBAL_REENT) = fopen(stdio_dev, "w");
|
|
#if ESP_ROM_NEEDS_SWSETUP_WORKAROUND
|
|
/*
|
|
- This workaround for printf functions using 32-bit time_t after the 64-bit time_t upgrade
|
|
- The 32-bit time_t usage is triggered through ROM Newlib functions printf related functions calling __swsetup_r() on
|
|
the first call to a particular file pointer (i.e., stdin, stdout, stderr)
|
|
- Thus, we call the toolchain version of __swsetup_r() now (before any printf calls are made) to setup all of the
|
|
file pointers. Thus, the ROM newlib code will never call the ROM version of __swsetup_r().
|
|
- See IDFGH-7728 for more details
|
|
*/
|
|
extern int __swsetup_r (struct _reent *, FILE *);
|
|
__swsetup_r(_GLOBAL_REENT, _REENT_STDIN(_GLOBAL_REENT));
|
|
__swsetup_r(_GLOBAL_REENT, _REENT_STDOUT(_GLOBAL_REENT));
|
|
__swsetup_r(_GLOBAL_REENT, _REENT_STDERR(_GLOBAL_REENT));
|
|
#endif /* ESP_ROM_NEEDS_SWSETUP_WORKAROUND */
|
|
}
|
|
}
|