diff options
Diffstat (limited to '02-usart/include/kern/common.h')
-rw-r--r-- | 02-usart/include/kern/common.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/02-usart/include/kern/common.h b/02-usart/include/kern/common.h deleted file mode 100644 index 653279e..0000000 --- a/02-usart/include/kern/common.h +++ /dev/null @@ -1,50 +0,0 @@ -#ifndef COMMON__H -#define COMMON__H - -#include <stdint.h> -#include <stddef.h> -#include <assert.h> - -#define WEAK __attribute__((weak)) -#define NORETURN __attribute__((noreturn)) - -#ifndef static_assert -#define static_assert(a, b) -#endif - -/* Define __IO to be volatile if it's not already. */ -#ifndef __IO -#define __IO volatile -#endif - -#define CTZ(n) __builtin_ctz(n) - -#define bool int -#ifndef __cplusplus -#define true 1 -#define false 0 -#endif - -#define PACKED __attribute__((packed)) -#define BIT(n) (1 << (n)) - -#define RESERVED_CONCAT_IMPL(x, y) x ## y -#define RESERVED_MACRO_CONCAT(x, y) RESERVED_CONCAT_IMPL(x, y) -#define RESERVED(n) \ - bits_t RESERVED_MACRO_CONCAT(_r, __COUNTER__) :n - -#define RESERVE(type) \ - __IO type RESERVED_MACRO_CONCAT(_r, __COUNTER__) - -#define ptr2reg(ptr) \ - ((uint32_t) (ptrdiff_t) (ptr)) - -typedef __IO uint32_t bits_t; - -#define regset(reg, mask, val) \ - ((reg) = ((reg) & ~mask) | (val << CTZ(mask))) - -#define regget(reg, mask) \ - (((reg) & mask) >> (CTZ(mask))) - -#endif /* COMMON_H */ |