sh: Move sh32 optimized I/O routines to arch/sh/lib/
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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 @@
}
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);
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 9dc7b69..6f7ac9e 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -2,7 +2,7 @@
# Makefile for SuperH-specific library files..
#
-lib-y = delay.o memset.o memmove.o memchr.o \
+lib-y = delay.o io.o memset.o memmove.o memchr.o \
checksum.o strlen.o div64.o div64-generic.o
memcpy-y := memcpy.o
diff --git a/arch/sh/lib/io.c b/arch/sh/lib/io.c
new file mode 100644
index 0000000..4f54ec4
--- /dev/null
+++ b/arch/sh/lib/io.c
@@ -0,0 +1,82 @@
+/*
+ * arch/sh/lib/io.c - SH32 optimized I/O routines
+ *
+ * Copyright (C) 2000 Stuart Menefy
+ * Copyright (C) 2005 Paul Mundt
+ *
+ * Provide real functions which expand to whatever the header file defined.
+ * Also definitions of machine independent IO functions.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/module.h>
+#include <linux/io.h>
+
+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);