diff options
Diffstat (limited to 'arch/sh/lib/copy_page.S')
| -rw-r--r-- | arch/sh/lib/copy_page.S | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/arch/sh/lib/copy_page.S b/arch/sh/lib/copy_page.S index e002b91c875..9d7b8bc5186 100644 --- a/arch/sh/lib/copy_page.S +++ b/arch/sh/lib/copy_page.S @@ -30,7 +30,9 @@ ENTRY(copy_page) mov r4,r10 mov r5,r11 mov r5,r8 - mov.l .Lpsz,r0 + mov #(PAGE_SIZE >> 10), r0 + shll8 r0 + shll2 r0 add r0,r8 ! 1: mov.l @r11+,r0 @@ -41,11 +43,10 @@ ENTRY(copy_page) mov.l @r11+,r5 mov.l @r11+,r6 mov.l @r11+,r7 -#if defined(CONFIG_CPU_SH3) - mov.l r0,@r10 -#elif defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) movca.l r0,@r10 - mov r10,r0 +#else + mov.l r0,@r10 #endif add #32,r10 mov.l r7,@-r10 @@ -55,9 +56,6 @@ ENTRY(copy_page) mov.l r3,@-r10 mov.l r2,@-r10 mov.l r1,@-r10 -#if defined(CONFIG_CPU_SH4) - ocbwb @r0 -#endif cmp/eq r11,r8 bf/s 1b add #28,r10 @@ -68,9 +66,6 @@ ENTRY(copy_page) rts nop - .balign 4 -.Lpsz: .long PAGE_SIZE - /* * __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n); * Return the number of bytes NOT copied @@ -80,6 +75,11 @@ ENTRY(copy_page) .section __ex_table, "a"; \ .long 9999b, 6000f ; \ .previous +#define EX_NO_POP(...) \ + 9999: __VA_ARGS__ ; \ + .section __ex_table, "a"; \ + .long 9999b, 6005f ; \ + .previous ENTRY(__copy_user) ! Check if small number of bytes mov #11,r0 @@ -139,9 +139,9 @@ EX( mov.b r1,@r4 ) bt 1f 2: -EX( mov.b @r5+,r0 ) +EX_NO_POP( mov.b @r5+,r0 ) dt r6 -EX( mov.b r0,@r4 ) +EX_NO_POP( mov.b r0,@r4 ) bf/s 2b add #1,r4 @@ -150,7 +150,7 @@ EX( mov.b r0,@r4 ) # Exception handler: .section .fixup, "ax" -6000: +6005: mov.l 8000f,r1 mov r3,r0 jmp @r1 |