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| 2 | |
| 3 | * Common powerpc suspend code for 32 and 64 bits
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| 4 | *
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| 5 | * Copyright 2007 Johannes Berg <[email protected]>
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| 6 |
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| 7 |
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| 8 | #include <linux/sched.h>
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| 9 | #include <linux/suspend.h>
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| 10 | #include <asm/current.h>
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| 11 | #include <asm/mmu_context.h>
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| 12 | #include <asm/switch_to.h>
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| 13 |
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| 14 | void save_processor_state(void)
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| 15 | {
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| 16 | |
| 17 | * flush out all the special registers so we don't need
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| 18 | * to save them in the snapshot
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| 19 |
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| 20 | flush_all_to_thread(current);
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| 21 |
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| 22 | #ifdef CONFIG_PPC64
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| 23 | hard_irq_disable();
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| 24 | #endif
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| 25 |
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| 26 | }
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| 27 |
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| 28 | void restore_processor_state(void)
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| 29 | {
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| 30 | #ifdef CONFIG_PPC32
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| 31 | switch_mmu_context(current->active_mm, current->active_mm, NULL);
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| 32 | #endif
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| 33 | }
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