ia64/linux-2.6.18-xen.hg

view include/asm-m68knommu/cacheflush.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #ifndef _M68KNOMMU_CACHEFLUSH_H
2 #define _M68KNOMMU_CACHEFLUSH_H
4 /*
5 * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com>
6 */
7 #include <linux/mm.h>
9 #define flush_cache_all() __flush_cache_all()
10 #define flush_cache_mm(mm) do { } while (0)
11 #define flush_cache_range(vma, start, end) __flush_cache_all()
12 #define flush_cache_page(vma, vmaddr) do { } while (0)
13 #define flush_dcache_range(start,len) __flush_cache_all()
14 #define flush_dcache_page(page) do { } while (0)
15 #define flush_dcache_mmap_lock(mapping) do { } while (0)
16 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
17 #define flush_icache_range(start,len) __flush_cache_all()
18 #define flush_icache_page(vma,pg) do { } while (0)
19 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
20 #define flush_cache_vmap(start, end) do { } while (0)
21 #define flush_cache_vunmap(start, end) do { } while (0)
23 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
24 memcpy(dst, src, len)
25 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26 memcpy(dst, src, len)
28 static inline void __flush_cache_all(void)
29 {
30 #ifdef CONFIG_M5407
31 /*
32 * Use cpushl to push and invalidate all cache lines.
33 * Gas doesn't seem to know how to generate the ColdFire
34 * cpushl instruction... Oh well, bit stuff it for now.
35 */
36 __asm__ __volatile__ (
37 "nop\n\t"
38 "clrl %%d0\n\t"
39 "1:\n\t"
40 "movel %%d0,%%a0\n\t"
41 "2:\n\t"
42 ".word 0xf468\n\t"
43 "addl #0x10,%%a0\n\t"
44 "cmpl #0x00000800,%%a0\n\t"
45 "blt 2b\n\t"
46 "addql #1,%%d0\n\t"
47 "cmpil #4,%%d0\n\t"
48 "bne 1b\n\t"
49 "movel #0xb6088500,%%d0\n\t"
50 "movec %%d0,%%CACR\n\t"
51 : : : "d0", "a0" );
52 #endif /* CONFIG_M5407 */
53 #if defined(CONFIG_M527x) || defined(CONFIG_M528x)
54 __asm__ __volatile__ (
55 "movel #0x81400100, %%d0\n\t"
56 "movec %%d0, %%CACR\n\t"
57 "nop\n\t"
58 : : : "d0" );
59 #endif /* CONFIG_M527x || CONFIG_M528x */
60 #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
61 __asm__ __volatile__ (
62 "movel #0x81000100, %%d0\n\t"
63 "movec %%d0, %%CACR\n\t"
64 "nop\n\t"
65 : : : "d0" );
66 #endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */
67 #ifdef CONFIG_M5249
68 __asm__ __volatile__ (
69 "movel #0xa1000200, %%d0\n\t"
70 "movec %%d0, %%CACR\n\t"
71 "nop\n\t"
72 : : : "d0" );
73 #endif /* CONFIG_M5249 */
74 #ifdef CONFIG_M532x
75 __asm__ __volatile__ (
76 "movel #0x81000200, %%d0\n\t"
77 "movec %%d0, %%CACR\n\t"
78 "nop\n\t"
79 : : : "d0" );
80 #endif /* CONFIG_M532x */
81 }
83 #endif /* _M68KNOMMU_CACHEFLUSH_H */