diff options
Diffstat (limited to 'arch/nds32/lib/copy_template.S')
-rw-r--r-- | arch/nds32/lib/copy_template.S | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/nds32/lib/copy_template.S b/arch/nds32/lib/copy_template.S deleted file mode 100644 index 3a9a2de468c2..000000000000 --- a/arch/nds32/lib/copy_template.S +++ /dev/null @@ -1,69 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (C) 2005-2017 Andes Technology Corporation - - - beq $r1, $r0, quit_memcpy - beqz $r2, quit_memcpy - srli $r3, $r2, #5 ! check if len < cache-line size 32 - beqz $r3, word_copy_entry - andi $r4, $r0, #0x3 ! check byte-align - beqz $r4, unalign_word_copy_entry - - addi $r4, $r4,#-4 - abs $r4, $r4 ! check how many un-align byte to copy - sub $r2, $r2, $r4 ! update $R2 - -unalign_byte_copy: - lbi1 $r3, $r1, #1 - addi $r4, $r4, #-1 - sbi1 $r3, $r0, #1 - bnez $r4, unalign_byte_copy - beqz $r2, quit_memcpy - -unalign_word_copy_entry: - andi $r3, $r0, 0x1f ! check cache-line unaligncount - beqz $r3, cache_copy - - addi $r3, $r3, #-32 - abs $r3, $r3 - sub $r2, $r2, $r3 ! update $R2 - -unalign_word_copy: - lmw1 $r4, $r1, $r4 - addi $r3, $r3, #-4 - smw1 $r4, $r0, $r4 - bnez $r3, unalign_word_copy - beqz $r2, quit_memcpy - - addi $r3, $r2, #-32 ! to check $r2< cache_line , than go to word_copy - bltz $r3, word_copy_entry -cache_copy: - srli $r3, $r2, #5 - beqz $r3, word_copy_entry -3: - lmw1 $r17, $r1, $r24 - addi $r3, $r3, #-1 - smw1 $r17, $r0, $r24 - bnez $r3, 3b - -word_copy_entry: - andi $r2, $r2, #31 - - beqz $r2, quit_memcpy -5: - srli $r3, $r2, #2 - beqz $r3, byte_copy -word_copy: - lmw1 $r4, $r1, $r4 - addi $r3, $r3, #-1 - smw1 $r4, $r0, $r4 - bnez $r3, word_copy - andi $r2, $r2, #3 - beqz $r2, quit_memcpy -byte_copy: - lbi1 $r3, $r1, #1 - addi $r2, $r2, #-1 - - sbi1 $r3, $r0, #1 - bnez $r2, byte_copy -quit_memcpy: |