diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index e3aa5b0b4ef17771fbd2afa1557f29ee6a7a2b3d..c08e7016c77a4219097a5b072fa8923797d234d5 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -5,6 +5,7 @@ config MIPS select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ARCH_USE_CMPXCHG_LOCKREF if 64BIT + select ARCH_USE_BUILTIN_BSWAP select HAVE_CONTEXT_TRACKING select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 1e9e900cd3c382a4a8c3bce2ab7ca2987a1acfcd..0344e575f522982dc4725479d66544d79837b0b4 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -15,4 +15,4 @@ obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o # libgcc-style stuff needed in the kernel -obj-y += ashldi3.o ashrdi3.o cmpdi2.o lshrdi3.o ucmpdi2.o +obj-y += ashldi3.o ashrdi3.o bswapsi.o bswapdi.o cmpdi2.o lshrdi3.o ucmpdi2.o diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c new file mode 100644 index 0000000000000000000000000000000000000000..77e5f9c1f0059117de4630247c79d18b5bb7c383 --- /dev/null +++ b/arch/mips/lib/bswapdi.c @@ -0,0 +1,15 @@ +#include + +unsigned long long __bswapdi2(unsigned long long u) +{ + return (((u) & 0xff00000000000000ull) >> 56) | + (((u) & 0x00ff000000000000ull) >> 40) | + (((u) & 0x0000ff0000000000ull) >> 24) | + (((u) & 0x000000ff00000000ull) >> 8) | + (((u) & 0x00000000ff000000ull) << 8) | + (((u) & 0x0000000000ff0000ull) << 24) | + (((u) & 0x000000000000ff00ull) << 40) | + (((u) & 0x00000000000000ffull) << 56); +} + +EXPORT_SYMBOL(__bswapdi2); diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c new file mode 100644 index 0000000000000000000000000000000000000000..2b302ff121d231c06ca1cfd2a58cf813a2d01935 --- /dev/null +++ b/arch/mips/lib/bswapsi.c @@ -0,0 +1,11 @@ +#include + +unsigned int __bswapsi2(unsigned int u) +{ + return (((u) & 0xff000000) >> 24) | + (((u) & 0x00ff0000) >> 8) | + (((u) & 0x0000ff00) << 8) | + (((u) & 0x000000ff) << 24); +} + +EXPORT_SYMBOL(__bswapsi2);