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<title>change log for rtems (2010-09-08)</title>
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<font color='#bb2222'><strong>sh</strong></font>
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<tr><td colspan='3' bgcolor='#dddddd'><pre>2010-09-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/utility.h: More macros. Changed casts.
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<tr><td width='1%'><a href="http://www.rtems.com/cgi-bin/viewcvs.cgi//rtems/c/src/lib/libbsp/shared/ChangeLog.diff?r1=text&tr1=1.177&r2=text&tr2=1.178&diff_format=h">M</a></td><td width='1%'>1.178</td><td width='100%'>c/src/lib/libbsp/shared/ChangeLog</td></tr>
<tr><td width='1%'><a href="http://www.rtems.com/cgi-bin/viewcvs.cgi//rtems/c/src/lib/libbsp/shared/include/utility.h.diff?r1=text&tr1=1.6&r2=text&tr2=1.7&diff_format=h">M</a></td><td width='1%'>1.7</td><td width='100%'>c/src/lib/libbsp/shared/include/utility.h</td></tr>
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<font color='#006600'>diff -u rtems/c/src/lib/libbsp/shared/ChangeLog:1.177 rtems/c/src/lib/libbsp/shared/ChangeLog:1.178
--- rtems/c/src/lib/libbsp/shared/ChangeLog:1.177 Sun Aug 15 18:33:36 2010
+++ rtems/c/src/lib/libbsp/shared/ChangeLog Wed Sep 8 06:58:15 2010
</font><font color='#997700'>@@ -1,3 +1,7 @@
</font><font color='#000088'>+2010-09-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+ * include/utility.h: More macros. Changed casts.
+
</font> 2010-08-15 Joel Sherrill <joel.sherrilL@OARcorp.com>
* src/uart-output-char.c: Add BSP_poll_char.
<font color='#006600'>diff -u rtems/c/src/lib/libbsp/shared/include/utility.h:1.6 rtems/c/src/lib/libbsp/shared/include/utility.h:1.7
--- rtems/c/src/lib/libbsp/shared/include/utility.h:1.6 Fri May 21 03:15:08 2010
+++ rtems/c/src/lib/libbsp/shared/include/utility.h Wed Sep 8 06:58:16 2010
</font><font color='#997700'>@@ -24,19 +24,128 @@
</font>
#include <stdint.h>
<font color='#000088'>+#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)))
+
</font> #define BIT32(bit) \
<font color='#880000'>- ((uint32_t) 1 << (bit))
</font><font color='#000088'>+ ((uint32_t) (((uint32_t) 1) << (bit)))
</font>
#define MASK32(first_bit, last_bit) \
<font color='#880000'>- ((BIT32((last_bit) - (first_bit) + 1) - (uint32_t) 1) << (first_bit))
</font><font color='#000088'>+ ((uint32_t) ((BIT32((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
</font>
#define FIELD32(val, first_bit, last_bit) \
<font color='#880000'>- (((uint32_t) (val) << (first_bit)) & MASK32(first_bit, last_bit))
</font><font color='#000088'>+ ((uint32_t) (((val) << (first_bit)) & MASK32(first_bit, last_bit)))
</font>
#define GETFIELD32(reg, first_bit, last_bit) \
<font color='#880000'>- (((reg) & MASK32(first_bit, last_bit)) >> (first_bit))
</font><font color='#000088'>+ ((uint32_t) (((reg) & MASK32(first_bit, last_bit)) >> (first_bit)))
</font>
#define SETFIELD32(reg, val, first_bit, last_bit) \
<font color='#880000'>- (((reg) & ~MASK32(first_bit, last_bit)) | FIELD32(val, first_bit, last_bit))
</font><font color='#000088'>+ ((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))
</font>
#endif /* LIBCPU_SHARED_UTILITY_H */
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