diff options
Diffstat (limited to 'tools/libxc/linux_boot_params.h')
| -rw-r--r-- | tools/libxc/linux_boot_params.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/tools/libxc/linux_boot_params.h b/tools/libxc/linux_boot_params.h new file mode 100644 index 0000000000..9b0b25cef9 --- /dev/null +++ b/tools/libxc/linux_boot_params.h @@ -0,0 +1,165 @@ +#ifndef __LINUX_BOOT_PARAMS_H__ +#define __LINUX_BOOT_PARAMS_H__ + +#include <asm/types.h> + +#define E820MAX 32 + +struct mem_map { + int nr_map; + struct entry { + unsigned long long addr; /* start of memory segment */ + unsigned long long size; /* size of memory segment */ + unsigned long type; /* type of memory segment */ +#define E820_RAM 1 +#define E820_RESERVED 2 +#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */ +#define E820_NVS 4 +#define E820_IO 16 +#define E820_SHARED 17 + + unsigned long caching_attr; /* used by hypervisor */ +#define MEMMAP_UC 0 +#define MEMMAP_WC 1 +#define MEMMAP_WT 4 +#define MEMMAP_WP 5 +#define MEMMAP_WB 6 + + }map[E820MAX]; +}; + +struct e820entry { + unsigned long long addr; /* start of memory segment */ + unsigned long long size; /* size of memory segment */ + unsigned long type; /* type of memory segment */ +}; + +struct e820map { + int nr_map; + struct e820entry map[E820MAX]; +}; + +struct drive_info_struct { __u8 dummy[32]; }; + +struct sys_desc_table { + __u16 length; + __u8 table[318]; +}; + +struct screen_info { + unsigned char orig_x; /* 0x00 */ + unsigned char orig_y; /* 0x01 */ + unsigned short dontuse1; /* 0x02 -- EXT_MEM_K sits here */ + unsigned short orig_video_page; /* 0x04 */ + unsigned char orig_video_mode; /* 0x06 */ + unsigned char orig_video_cols; /* 0x07 */ + unsigned short unused2; /* 0x08 */ + unsigned short orig_video_ega_bx; /* 0x0a */ + unsigned short unused3; /* 0x0c */ + unsigned char orig_video_lines; /* 0x0e */ + unsigned char orig_video_isVGA; /* 0x0f */ + unsigned short orig_video_points; /* 0x10 */ + + /* VESA graphic mode -- linear frame buffer */ + unsigned short lfb_width; /* 0x12 */ + unsigned short lfb_height; /* 0x14 */ + unsigned short lfb_depth; /* 0x16 */ + unsigned long lfb_base; /* 0x18 */ + unsigned long lfb_size; /* 0x1c */ + unsigned short dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */ + unsigned short lfb_linelength; /* 0x24 */ + unsigned char red_size; /* 0x26 */ + unsigned char red_pos; /* 0x27 */ + unsigned char green_size; /* 0x28 */ + unsigned char green_pos; /* 0x29 */ + unsigned char blue_size; /* 0x2a */ + unsigned char blue_pos; /* 0x2b */ + unsigned char rsvd_size; /* 0x2c */ + unsigned char rsvd_pos; /* 0x2d */ + unsigned short vesapm_seg; /* 0x2e */ + unsigned short vesapm_off; /* 0x30 */ + unsigned short pages; /* 0x32 */ + /* 0x34 -- 0x3f reserved for future expansion */ +}; + +struct screen_info_overlap { + __u8 reserved1[2]; /* 0x00 */ + __u16 ext_mem_k; /* 0x02 */ + __u8 reserved2[0x20 - 0x04]; /* 0x04 */ + __u16 cl_magic; /* 0x20 */ +#define CL_MAGIC_VALUE 0xA33F + __u16 cl_offset; /* 0x22 */ + __u8 reserved3[0x40 - 0x24]; /* 0x24 */ +}; + + +struct apm_bios_info { + __u16 version; + __u16 cseg; + __u32 offset; + __u16 cseg_16; + __u16 dseg; + __u16 flags; + __u16 cseg_len; + __u16 cseg_16_len; + __u16 dseg_len; +}; + +struct linux_boot_params { + union { /* 0x00 */ + struct screen_info info; + struct screen_info_overlap overlap; + } screen; + + struct apm_bios_info apm_bios_info; /* 0x40 */ + __u8 reserved4[0x80 - 0x54]; /* 0x54 */ + struct drive_info_struct drive_info; /* 0x80 */ + struct sys_desc_table sys_desc_table; /* 0xa0 */ + __u32 alt_mem_k; /* 0x1e0 */ + __u8 reserved5[4]; /* 0x1e4 */ + __u8 e820_map_nr; /* 0x1e8 */ + __u8 reserved6[8]; /* 0x1e9 */ + __u8 setup_sects; /* 0x1f1 */ + __u16 mount_root_rdonly; /* 0x1f2 */ + __u16 syssize; /* 0x1f4 */ + __u16 swapdev; /* 0x1f6 */ + __u16 ramdisk_flags; /* 0x1f8 */ +#define RAMDISK_IMAGE_START_MASK 0x07FF +#define RAMDISK_PROMPT_FLAG 0x8000 +#define RAMDISK_LOAD_FLAG 0x4000 + __u16 vid_mode; /* 0x1fa */ + __u16 root_dev; /* 0x1fc */ + __u8 reserved9[1]; /* 0x1fe */ + __u8 aux_device_info; /* 0x1ff */ + /* 2.00+ */ + __u8 reserved10[2]; /* 0x200 */ + __u8 header_magic[4]; /* 0x202 */ + __u16 protocol_version; /* 0x206 */ + __u8 reserved11[8]; /* 0x208 */ + __u8 loader_type; /* 0x210 */ +#define LOADER_TYPE_LOADLIN 1 +#define LOADER_TYPE_BOOTSECT_LOADER 2 +#define LOADER_TYPE_SYSLINUX 3 +#define LOADER_TYPE_ETHERBOOT 4 +#define LOADER_TYPE_UNKNOWN 0xFF + __u8 loader_flags; /* 0x211 */ + __u8 reserved12[2]; /* 0x212 */ + __u32 code32_start; /* 0x214 */ + __u32 initrd_start; /* 0x218 */ + __u32 initrd_size; /* 0x21c */ + __u8 reserved13[4]; /* 0x220 */ + /* 2.01+ */ + __u16 heap_end_ptr; /* 0x224 */ + __u8 reserved14[2]; /* 0x226 */ + /* 2.02+ */ + __u32 cmd_line_ptr; /* 0x228 */ + /* 2.03+ */ + __u32 ramdisk_max; /* 0x22c */ + __u8 reserved15[0x2d0 - 0x230]; /* 0x230 */ + struct e820entry e820_map[E820MAX]; /* 0x2d0 */ + __u64 shared_info; /* 0x550 */ + __u8 padding[0x800 - 0x558]; /* 0x558 */ + __u8 cmd_line[0x800]; /* 0x800 */ +} __attribute__((packed)); + +#endif /* __LINUX_BOOT_PARAMS_H__ */ |