41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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/*
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#include <debug.h>
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#include <drivers/power.h>
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#include <platform/memmap.h>
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#include <sys/boot.h>
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#include <sys/security.h>
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int32_t platform_restore_system(void)
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{
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uint32_t *signature = (uint32_t *)(SLEEP_TOKEN_BUFFER_BASE + kSleepTokenKernelOffset);
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power_will_resume();
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dprintf(DEBUG_INFO, "restore_system: signature[0]: 0x%08x, signature[1]: 0x%08x\n",
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signature[0], signature[1]);
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if ((signature[0] != 'MOSX') || (signature[1] != 'SUSP')) return -1;
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signature[0] = 0;
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signature[1] = 0;
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if (!security_validate_sleep_token(SLEEP_TOKEN_BUFFER_BASE + kSleepTokeniBootOffset)) return -1;
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/* Jump to reset vector */
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dprintf(DEBUG_INFO, "restoring kernel\n");
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prepare_and_jump(BOOT_DARWIN_RESTORE, NULL, NULL);
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/* shouldn't get here */
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panic("returned from restore_system\n");
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}
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