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author | Paul Mundt <lethal@linux-sh.org> | 2007-11-09 14:06:24 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-28 13:18:41 +0900 |
commit | 62d6b66edc68f906138df7ba01efd41a45981586 (patch) | |
tree | 98477be0c81e3db1a66646ca88db201a8ef6cd53 /arch/sh/kernel/io.c | |
parent | 7a65eaf4885d1d0afeec45239eaf9208a3235b51 (diff) | |
download | kernel_samsung_smdk4412-62d6b66edc68f906138df7ba01efd41a45981586.zip kernel_samsung_smdk4412-62d6b66edc68f906138df7ba01efd41a45981586.tar.gz kernel_samsung_smdk4412-62d6b66edc68f906138df7ba01efd41a45981586.tar.bz2 |
sh: Move sh32 optimized I/O routines to arch/sh/lib/
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/io.c')
-rw-r--r-- | arch/sh/kernel/io.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c index 501fe03..71c9fde 100644 --- a/arch/sh/kernel/io.c +++ b/arch/sh/kernel/io.c @@ -61,73 +61,6 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count) } EXPORT_SYMBOL(memset_io); -void __raw_readsl(unsigned long addr, void *datap, int len) -{ - u32 *data; - - for (data = datap; (len != 0) && (((u32)data & 0x1f) != 0); len--) - *data++ = ctrl_inl(addr); - - if (likely(len >= (0x20 >> 2))) { - int tmp2, tmp3, tmp4, tmp5, tmp6; - - __asm__ __volatile__( - "1: \n\t" - "mov.l @%7, r0 \n\t" - "mov.l @%7, %2 \n\t" -#ifdef CONFIG_CPU_SH4 - "movca.l r0, @%0 \n\t" -#else - "mov.l r0, @%0 \n\t" -#endif - "mov.l @%7, %3 \n\t" - "mov.l @%7, %4 \n\t" - "mov.l @%7, %5 \n\t" - "mov.l @%7, %6 \n\t" - "mov.l @%7, r7 \n\t" - "mov.l @%7, r0 \n\t" - "mov.l %2, @(0x04,%0) \n\t" - "mov #0x20>>2, %2 \n\t" - "mov.l %3, @(0x08,%0) \n\t" - "sub %2, %1 \n\t" - "mov.l %4, @(0x0c,%0) \n\t" - "cmp/hi %1, %2 ! T if 32 > len \n\t" - "mov.l %5, @(0x10,%0) \n\t" - "mov.l %6, @(0x14,%0) \n\t" - "mov.l r7, @(0x18,%0) \n\t" - "mov.l r0, @(0x1c,%0) \n\t" - "bf.s 1b \n\t" - " add #0x20, %0 \n\t" - : "=&r" (data), "=&r" (len), - "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4), - "=&r" (tmp5), "=&r" (tmp6) - : "r"(addr), "0" (data), "1" (len) - : "r0", "r7", "t", "memory"); - } - - for (; len != 0; len--) - *data++ = ctrl_inl(addr); -} -EXPORT_SYMBOL(__raw_readsl); - -void __raw_writesl(unsigned long addr, const void *data, int len) -{ - if (likely(len != 0)) { - int tmp1; - - __asm__ __volatile__ ( - "1: \n\t" - "mov.l @%0+, %1 \n\t" - "dt %3 \n\t" - "bf.s 1b \n\t" - " mov.l %1, @%4 \n\t" - : "=&r" (data), "=&r" (tmp1) - : "0" (data), "r" (len), "r"(addr) - : "t", "memory"); - } -} -EXPORT_SYMBOL(__raw_writesl); - void __iomem *ioport_map(unsigned long port, unsigned int nr) { return sh_mv.mv_ioport_map(port, nr); |