summaryrefslogtreecommitdiffstats
path: root/Src/osmocom-bb/src/target/firmware/include/asm/swab.h
diff options
context:
space:
mode:
Diffstat (limited to 'Src/osmocom-bb/src/target/firmware/include/asm/swab.h')
-rw-r--r--Src/osmocom-bb/src/target/firmware/include/asm/swab.h45
1 files changed, 0 insertions, 45 deletions
diff --git a/Src/osmocom-bb/src/target/firmware/include/asm/swab.h b/Src/osmocom-bb/src/target/firmware/include/asm/swab.h
deleted file mode 100644
index 4640e27..0000000
--- a/Src/osmocom-bb/src/target/firmware/include/asm/swab.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * arch/arm/include/asm/byteorder.h
- *
- * ARM Endian-ness. In little endian mode, the data bus is connected such
- * that byte accesses appear as:
- * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31
- * and word accesses (data or instruction) appear as:
- * d0...d31
- *
- * When in big endian mode, byte accesses appear as:
- * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7
- * and word accesses (data or instruction) appear as:
- * d0...d31
- */
-#ifndef __ASM_ARM_SWAB_H
-#define __ASM_ARM_SWAB_H
-
-#include <stdint.h>
-#include <defines.h>
-
-static inline uint32_t __arch_swab32(uint32_t x)
-{
- uint32_t t;
-
-#ifndef __thumb__
- if (!__builtin_constant_p(x)) {
- /*
- * The compiler needs a bit of a hint here to always do the
- * right thing and not screw it up to different degrees
- * depending on the gcc version.
- */
- asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x));
- } else
-#endif
- t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */
-
- x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */
- t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */
- x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */
-
- return x;
-}
-#define __arch_swab32 __arch_swab32
-
-#endif