espressif/esp-idf
1
0
Fork 1
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-05 05:34:32 +02:00
Code Issues Packages Projects Releases Wiki Activity

newlib: implement __atomic_load/__atomic_store functions

Browse Source
This commit is contained in:
Andrei Safronov
2022-03-23 21:07:26 +03:00
parent 20fdf3bdf1
commit 3d9814bf8b
1 changed files with 16 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
components/newlib/stdatomic.c
View File

@@ -9,6 +9,7 @@
#include "sdkconfig.h"
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "soc/soc_caps.h"
#include "freertos/FreeRTOS.h"
@@ -494,3 +495,18 @@ ATOMIC_LOAD(8, long long unsigned int)
ATOMIC_STORE(8, long long unsigned int)
#endif // !HAS_ATOMICS_64
// Clang generates calls to the __atomic_load/__atomic_store functions for object size more then 4 bytes
void CLANG_ATOMIC_SUFFIX( __atomic_load ) (int size, void *src, void *dest, int model) {
unsigned state = _ATOMIC_ENTER_CRITICAL();
memcpy(dest, src, size);
_ATOMIC_EXIT_CRITICAL(state);
}
CLANG_DECLARE_ALIAS( __atomic_load )
void CLANG_ATOMIC_SUFFIX( __atomic_store ) (int size, void *dest, void *src, int model) {
unsigned state = _ATOMIC_ENTER_CRITICAL();
memcpy(dest, src, size);
_ATOMIC_EXIT_CRITICAL(state);
}
CLANG_DECLARE_ALIAS( __atomic_store)