diff options
| author |   Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
| commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
| tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/arch/i386/include/initrd.h | |
| parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) | |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/include/initrd.h')
| -rw-r--r-- | qemu/roms/ipxe/src/arch/i386/include/initrd.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/include/initrd.h b/qemu/roms/ipxe/src/arch/i386/include/initrd.h new file mode 100644 index 000000000..a5659f43c --- /dev/null +++ b/qemu/roms/ipxe/src/arch/i386/include/initrd.h @@ -0,0 +1,30 @@ +#ifndef _INITRD_H +#define _INITRD_H + +/** @file + * + * Initial ramdisk (initrd) reshuffling + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <ipxe/uaccess.h> + +/** Minimum alignment for initrds + * + * Some versions of Linux complain about initrds that are not + * page-aligned. + */ +#define INITRD_ALIGN 4096 + +/** Minimum free space required to reshuffle initrds + * + * Chosen to avoid absurdly long reshuffling times + */ +#define INITRD_MIN_FREE_LEN ( 512 * 1024 ) + +extern void initrd_reshuffle ( userptr_t bottom ); +extern int initrd_reshuffle_check ( size_t len, userptr_t bottom ); + +#endif /* _INITRD_H */ |