1 /*
2 * This file is subject to the terms and condi
3 * License. See the file "COPYING" in the mai
4 * for more details.
5 *
6 * Micro-assembler generated clear_page/copy_p
7 *
8 * Copyright (C) 2012 MIPS Technologies, Inc.
9 * Copyright (C) 2012 Ralf Baechle <ralf@linux
10 */
11 #include <linux/export.h>
12 #include <asm/asm.h>
13 #include <asm/regdef.h>
14
15 #ifdef CONFIG_SIBYTE_DMA_PAGEOPS
16 #define cpu_clear_page_function_name clear_
17 #define cpu_copy_page_function_name copy_p
18 #else
19 #define cpu_clear_page_function_name clear_
20 #define cpu_copy_page_function_name copy_p
21 #endif
22
23 /*
24 * Maximum sizes:
25 *
26 * R4000 128 bytes S-cache: 0x058
27 * R4600 v1.7: 0x05c
28 * R4600 v2.0: 0x060
29 * With prefetching, 16 word strides 0x120
30 */
31 EXPORT(__clear_page_start)
32 LEAF(cpu_clear_page_function_name)
33 EXPORT_SYMBOL(cpu_clear_page_function_name)
34 1: j 1b /* Dummy, will
35 .space 288
36 END(cpu_clear_page_function_name)
37 EXPORT(__clear_page_end)
38
39 /*
40 * Maximum sizes:
41 *
42 * R4000 128 bytes S-cache: 0x11c
43 * R4600 v1.7: 0x080
44 * R4600 v2.0: 0x07c
45 * With prefetching, 16 word strides 0x540
46 */
47 EXPORT(__copy_page_start)
48 LEAF(cpu_copy_page_function_name)
49 EXPORT_SYMBOL(cpu_copy_page_function_name)
50 1: j 1b /* Dummy, will
51 .space 1344
52 END(cpu_copy_page_function_name)
53 EXPORT(__copy_page_end)
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