2 * Suspend support specific for mips.
4 * Licensed under the GPLv2
6 * Copyright (C) 2009 Lemote Inc.
7 * Author: Hu Hongbing <huhb@lemote.com>
8 * Wu Zhangjin <wuzhangjin@gmail.com>
10 #include <asm/suspend.h>
14 static u32 saved_status
;
15 struct pt_regs saved_regs
;
17 void save_processor_state(void)
19 saved_status
= read_c0_status();
27 void restore_processor_state(void)
29 write_c0_status(saved_status
);
37 int pfn_is_nosave(unsigned long pfn
)
39 unsigned long nosave_begin_pfn
= PFN_DOWN(__pa(&__nosave_begin
));
40 unsigned long nosave_end_pfn
= PFN_UP(__pa(&__nosave_end
));
42 return (pfn
>= nosave_begin_pfn
) && (pfn
< nosave_end_pfn
);
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