diff options
| author | qiuyiuestc <[email protected]> | 2010-05-30 09:56:19 +0000 |
|---|---|---|
| committer | qiuyiuestc <[email protected]> | 2010-05-30 09:56:19 +0000 |
| commit | ea6e5155ef903c6353d8f317dd73b3838658c971 (patch) | |
| tree | 39ae2ef608769d0175e89a477bc79ed79b02315d /libcpu | |
| parent | 3e8fb96c6210154c04f67a852b9d93f297f7695e (diff) | |
fix running fail problem using armcc O2 opinion
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@751 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'libcpu')
| -rw-r--r-- | libcpu/arm/s3c24x0/serial.h | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/libcpu/arm/s3c24x0/serial.h b/libcpu/arm/s3c24x0/serial.h index 2869e56670..1015f2a935 100644 --- a/libcpu/arm/s3c24x0/serial.h +++ b/libcpu/arm/s3c24x0/serial.h @@ -27,17 +27,17 @@ struct serial_int_tx typedef struct uartport
{
- rt_uint32_t ulcon;
- rt_uint32_t ucon;
- rt_uint32_t ufcon;
- rt_uint32_t umcon;
- rt_uint32_t ustat;
- rt_uint32_t urxb;
- rt_uint32_t ufstat;
- rt_uint32_t umstat;
- rt_uint32_t utxh;
- rt_uint32_t urxh;
- rt_uint32_t ubrd;
+ volatile rt_uint32_t ulcon;
+ volatile rt_uint32_t ucon;
+ volatile rt_uint32_t ufcon;
+ volatile rt_uint32_t umcon;
+ volatile rt_uint32_t ustat;
+ volatile rt_uint32_t urxb;
+ volatile rt_uint32_t ufstat;
+ volatile rt_uint32_t umstat;
+ volatile rt_uint32_t utxh;
+ volatile rt_uint32_t urxh;
+ volatile rt_uint32_t ubrd;
}uartport;
struct serial_device
|