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author | James Morris <james.l.morris@oracle.com> | 2012-06-10 22:52:10 +1000 |
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committer | James Morris <james.l.morris@oracle.com> | 2012-06-10 22:52:10 +1000 |
commit | 66dd07b88a1c9d446f32253da606b87324fa620e (patch) | |
tree | 4e0971bdd543585c7ab46716ae808a7fd82f9c35 /arch/x86/realmode/rm/wakeup.h | |
parent | Merge branches 'next-queue' and 'next' into next (diff) | |
parent | Linux 3.5-rc2 (diff) | |
download | linux-dev-66dd07b88a1c9d446f32253da606b87324fa620e.tar.xz linux-dev-66dd07b88a1c9d446f32253da606b87324fa620e.zip |
Merge commit 'v3.5-rc2' into next
Diffstat (limited to 'arch/x86/realmode/rm/wakeup.h')
-rw-r--r-- | arch/x86/realmode/rm/wakeup.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/x86/realmode/rm/wakeup.h b/arch/x86/realmode/rm/wakeup.h new file mode 100644 index 000000000000..9317e0042f24 --- /dev/null +++ b/arch/x86/realmode/rm/wakeup.h @@ -0,0 +1,40 @@ +/* + * Definitions for the wakeup data structure at the head of the + * wakeup code. + */ + +#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H +#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H + +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +/* This must match data at wakeup.S */ +struct wakeup_header { + u16 video_mode; /* Video mode number */ + u32 pmode_entry; /* Protected mode resume point, 32-bit only */ + u16 pmode_cs; + u32 pmode_cr0; /* Protected mode cr0 */ + u32 pmode_cr3; /* Protected mode cr3 */ + u32 pmode_cr4; /* Protected mode cr4 */ + u32 pmode_efer_low; /* Protected mode EFER */ + u32 pmode_efer_high; + u64 pmode_gdt; + u32 pmode_misc_en_low; /* Protected mode MISC_ENABLE */ + u32 pmode_misc_en_high; + u32 pmode_behavior; /* Wakeup routine behavior flags */ + u32 realmode_flags; + u32 real_magic; + u32 signature; /* To check we have correct structure */ +} __attribute__((__packed__)); + +extern struct wakeup_header wakeup_header; +#endif + +#define WAKEUP_HEADER_OFFSET 8 +#define WAKEUP_HEADER_SIGNATURE 0x51ee1111 + +/* Wakeup behavior bits */ +#define WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE 0 + +#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */ |