41 lines
1.0 KiB
Diff
41 lines
1.0 KiB
Diff
Index: linux-2.6.22-rc6/include/asm-mips/byteorder.h
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===================================================================
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--- linux-2.6.22-rc6.orig/include/asm-mips/byteorder.h
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+++ linux-2.6.22-rc6/include/asm-mips/byteorder.h
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@@ -58,6 +58,35 @@ static __inline__ __attribute_const__ __
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#endif /* CONFIG_CPU_MIPSR2 */
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+#ifdef CONFIG_ADM5120_HARDWARE_SWAB
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+
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+static __inline__ __attribute_const__ __u16 ___adm5120__swab16(__u16 x)
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+{
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+ __asm__ (
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+ " sh %2, 0xCA(%1) \n"
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+ " lhu %0, 0xCC(%1) \n"
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+ : "=r" (x)
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+ : "r" (0xB2000000), "r" (x));
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+
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+ return x;
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+}
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+
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+static __inline__ __attribute_const__ __u32 ___adm5120__swab32(__u32 x)
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+{
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+ __asm__ (
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+ " sw %2, 0xC8(%1) \n"
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+ " lw %0, 0xCC(%1) \n"
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+ : "=r" (x)
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+ : "r" (0xB2000000), "r" (x));
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+
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+ return x;
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+}
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+
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+#define __arch__swab16(x) ___adm5120__swab16(x)
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+#define __arch__swab32(x) ___adm5120__swab32(x)
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+
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+#endif /* CONFIG_ADM5120_HARDWARE_SWAB */
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+
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#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
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# define __BYTEORDER_HAS_U64__
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# define __SWAB_64_THRU_32__
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