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2010-09-08 Sebastian Huber <sebastian.huber@embedded-brains.de>

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* include/utility.h: More macros.  Changed casts.
This commit is contained in:
Sebastian Huber
2010-09-08 11:58:16 +00:00
parent 199296db19
commit 2e5b6e76aa
2 changed files with 118 additions and 5 deletions
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4
c/src/lib/libbsp/shared/ChangeLog
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@@ -1,3 +1,7 @@
2010-09-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/utility.h: More macros. Changed casts.
2010-08-15 Joel Sherrill <joel.sherrilL@OARcorp.com>
* src/uart-output-char.c: Add BSP_poll_char.

119
c/src/lib/libbsp/shared/include/utility.h
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@@ -24,19 +24,128 @@
#include <stdint.h>
#define BIT8(bit) \
((uint8_t) (((uint8_t) 1) << (bit)))
#define MASK8(first_bit, last_bit) \
((uint8_t) ((BIT8((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define FIELD8(val, first_bit, last_bit) \
((uint8_t) (((val) << (first_bit)) & MASK8(first_bit, last_bit)))
#define GETFIELD8(reg, first_bit, last_bit) \
((uint8_t) (((reg) & MASK8(first_bit, last_bit)) >> (first_bit)))
#define SETFIELD8(reg, val, first_bit, last_bit) \
((uint8_t) (((reg) & ~MASK8(first_bit, last_bit)) \
| FIELD8(val, first_bit, last_bit)))
#define BIT16(bit) \
((uint16_t) (((uint16_t) 1) << (bit)))
#define MASK16(first_bit, last_bit) \
((uint16_t) ((BIT16((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define FIELD16(val, first_bit, last_bit) \
((uint16_t) (((val) << (first_bit)) & MASK16(first_bit, last_bit)))
#define GETFIELD16(reg, first_bit, last_bit) \
((uint16_t) (((reg) & MASK16(first_bit, last_bit)) >> (first_bit)))
#define SETFIELD16(reg, val, first_bit, last_bit) \
((uint16_t) (((reg) & ~MASK16(first_bit, last_bit)) \
| FIELD16(val, first_bit, last_bit)))
#define BIT32(bit) \
((uint32_t) 1 << (bit))
((uint32_t) (((uint32_t) 1) << (bit)))
#define MASK32(first_bit, last_bit) \
((BIT32((last_bit) - (first_bit) + 1) - (uint32_t) 1) << (first_bit))
((uint32_t) ((BIT32((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define FIELD32(val, first_bit, last_bit) \
(((uint32_t) (val) << (first_bit)) & MASK32(first_bit, last_bit))
((uint32_t) (((val) << (first_bit)) & MASK32(first_bit, last_bit)))
#define GETFIELD32(reg, first_bit, last_bit) \
(((reg) & MASK32(first_bit, last_bit)) >> (first_bit))
((uint32_t) (((reg) & MASK32(first_bit, last_bit)) >> (first_bit)))
#define SETFIELD32(reg, val, first_bit, last_bit) \
(((reg) & ~MASK32(first_bit, last_bit)) | FIELD32(val, first_bit, last_bit))
((uint32_t) (((reg) & ~MASK32(first_bit, last_bit)) \
| FIELD32(val, first_bit, last_bit)))
#define BIT64(bit) \
((uint64_t) (((uint64_t) 1) << (bit)))
#define MASK64(first_bit, last_bit) \
((uint64_t) ((BIT64((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define FIELD64(val, first_bit, last_bit) \
((uint64_t) (((val) << (first_bit)) & MASK64(first_bit, last_bit)))
#define GETFIELD64(reg, first_bit, last_bit) \
((uint64_t) (((reg) & MASK64(first_bit, last_bit)) >> (first_bit)))
#define SETFIELD64(reg, val, first_bit, last_bit) \
((uint64_t) (((reg) & ~MASK64(first_bit, last_bit)) \
| FIELD64(val, first_bit, last_bit)))
#define BBIT8(bit) \
BIT8(7 - (bit))
#define BMASK8(first_bit, last_bit) \
MASK8(7 - (last_bit), 7 - (first_bit))
#define BFIELD8(val, first_bit, last_bit) \
FIELD8(val, 7 - (last_bit), 7 - (first_bit))
#define BGETFIELD8(reg, first_bit, last_bit) \
GETFIELD8(reg, 7 - (last_bit), 7 - (first_bit))
#define BSETFIELD8(reg, val, first_bit, last_bit) \
SETFIELD8(reg, val, 7 - (last_bit), 7 - (first_bit))
#define BBIT16(bit) \
BIT16(15 - (bit))
#define BMASK16(first_bit, last_bit) \
MASK16(15 - (last_bit), 15 - (first_bit))
#define BFIELD16(val, first_bit, last_bit) \
FIELD16(val, 15 - (last_bit), 15 - (first_bit))
#define BGETFIELD16(reg, first_bit, last_bit) \
GETFIELD16(reg, 15 - (last_bit), 15 - (first_bit))
#define BSETFIELD16(reg, val, first_bit, last_bit) \
SETFIELD16(reg, val, 15 - (last_bit), 15 - (first_bit))
#define BBIT32(bit) \
BIT32(31 - (bit))
#define BMASK32(first_bit, last_bit) \
MASK32(31 - (last_bit), 31 - (first_bit))
#define BFIELD32(val, first_bit, last_bit) \
FIELD32(val, 31 - (last_bit), 31 - (first_bit))
#define BGETFIELD32(reg, first_bit, last_bit) \
GETFIELD32(reg, 31 - (last_bit), 31 - (first_bit))
#define BSETFIELD32(reg, val, first_bit, last_bit) \
SETFIELD32(reg, val, 31 - (last_bit), 31 - (first_bit))
#define BBIT64(bit) \
BIT64(63 - (bit))
#define BMASK64(first_bit, last_bit) \
MASK64(63 - (last_bit), 63 - (first_bit))
#define BFIELD64(val, first_bit, last_bit) \
FIELD64(val, 63 - (last_bit), 63 - (first_bit))
#define BGETFIELD64(reg, first_bit, last_bit) \
GETFIELD64(reg, 63 - (last_bit), 63 - (first_bit))
#define BSETFIELD64(reg, val, first_bit, last_bit) \
SETFIELD64(reg, val, 63 - (last_bit), 63 - (first_bit))
#endif /* LIBCPU_SHARED_UTILITY_H */