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