diff options
| -rw-r--r-- | arch/i386/kernel/setup.c | 12 | ||||
| -rw-r--r-- | include/asm-i386/bootparam.h | 85 | ||||
| -rw-r--r-- | include/asm-i386/setup.h | 10 | ||||
| -rw-r--r-- | include/asm-x86_64/boot.h | 16 | ||||
| -rw-r--r-- | include/asm-x86_64/bootparam.h | 1 |
5 files changed, 94 insertions, 30 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 698c24fe482..2d61e65eeb5 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -102,19 +102,10 @@ static unsigned int highmem_pages = -1; /* * Setup options */ -struct drive_info_struct { char dummy[32]; } drive_info; -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || \ - defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) -EXPORT_SYMBOL(drive_info); -#endif struct screen_info screen_info; EXPORT_SYMBOL(screen_info); struct apm_info apm_info; EXPORT_SYMBOL(apm_info); -struct sys_desc_table_struct { - unsigned short length; - unsigned char table[0]; -}; struct edid_info edid_info; EXPORT_SYMBOL_GPL(edid_info); struct ist_info ist_info; @@ -134,7 +125,7 @@ unsigned long saved_videomode; static char __initdata command_line[COMMAND_LINE_SIZE]; -unsigned char __initdata boot_params[PARAM_SIZE]; +struct boot_params __initdata boot_params; #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE) struct edd edd; @@ -528,7 +519,6 @@ void __init setup_arch(char **cmdline_p) #endif ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); - drive_info = DRIVE_INFO; screen_info = SCREEN_INFO; edid_info = EDID_INFO; apm_info.bios = APM_BIOS_INFO; diff --git a/include/asm-i386/bootparam.h b/include/asm-i386/bootparam.h new file mode 100644 index 00000000000..427d8652bfd --- /dev/null +++ b/include/asm-i386/bootparam.h @@ -0,0 +1,85 @@ +#ifndef _ASM_BOOTPARAM_H +#define _ASM_BOOTPARAM_H + +#include <linux/types.h> +#include <linux/screen_info.h> +#include <linux/apm_bios.h> +#include <asm/e820.h> +#include <linux/edd.h> +#include <video/edid.h> + +struct setup_header { + u8 setup_sects; + u16 root_flags; + u32 syssize; + u16 ram_size; + u16 vid_mode; + u16 root_dev; + u16 boot_flag; + u16 jump; + u32 header; + u16 version; + u32 realmode_swtch; + u16 start_sys; + u16 kernel_version; + u8 type_of_loader; + u8 loadflags; +#define LOADED_HIGH 0x01 +#define CAN_USE_HEAP 0x80 + u16 setup_move_size; + u32 code32_start; + u32 ramdisk_image; + u32 ramdisk_size; + u32 bootsect_kludge; + u16 heap_end_ptr; + u16 _pad1; + u32 cmd_line_ptr; + u32 initrd_addr_max; + u32 kernel_alignment; + u8 relocatable_kernel; +} __attribute__((packed)); + +struct sys_desc_table { + u16 length; + u8 table[14]; +}; + +struct efi_info { + u32 _pad1; + u32 efi_systab; + u32 efi_memdesc_size; + u32 efi_memdec_version; + u32 efi_memmap; + u32 fi_memmap_size; + u32 _pad2[2]; +}; + +/* The so-called "zeropage" */ +struct boot_params { + struct screen_info screen_info; /* 0x000 */ + struct apm_bios_info apm_bios_info; /* 0x040 */ + u8 _pad2[12]; /* 0x054 */ + u32 speedstep_info[4]; /* 0x060 */ + u8 _pad3[16]; /* 0x070 */ + u8 hd0_info[16]; /* obsolete! */ /* 0x080 */ + u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ + struct sys_desc_table sys_desc_table; /* 0x0a0 */ + u8 _pad4[144]; /* 0x0b0 */ + struct edid_info edid_info; /* 0x140 */ + struct efi_info efi_info; /* 0x1c0 */ + u32 alt_mem_k; /* 0x1e0 */ + u32 scratch; /* Scratch field! */ /* 0x1e4 */ + u8 e820_entries; /* 0x1e8 */ + u8 eddbuf_entries; /* 0x1e9 */ + u8 edd_mbr_sig_buf_entries; /* 0x1ea */ + u8 _pad6[6]; /* 0x1eb */ + struct setup_header hdr; /* setup header */ /* 0x1f1 */ + u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)]; + u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ + struct e820entry e820_map[E820MAX]; /* 0x2d0 */ + u8 _pad8[48]; /* 0xcd0 */ + struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */ + u8 _pad9[276]; /* 0xeec */ +} __attribute__((packed)); + +#endif /* _ASM_BOOTPARAM_H */ diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h index 0e8077cbfda..0d5bff9dc4a 100644 --- a/include/asm-i386/setup.h +++ b/include/asm-i386/setup.h @@ -26,12 +26,15 @@ #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ #ifndef __ASSEMBLY__ + +#include <asm/bootparam.h> + /* * This is set up by the setup-routine at boot-time */ -extern unsigned char boot_params[PARAM_SIZE]; +extern struct boot_params boot_params; -#define PARAM (boot_params) +#define PARAM ((char *)&boot_params) #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) #define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0)) @@ -39,8 +42,7 @@ extern unsigned char boot_params[PARAM_SIZE]; #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) #define IST_INFO (*(struct ist_info *) (PARAM+0x60)) -#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) -#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) +#define SYS_DESC_TABLE (*(struct sys_desc_table *)(PARAM+0xa0)) #define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4))) #define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8))) #define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc))) diff --git a/include/asm-x86_64/boot.h b/include/asm-x86_64/boot.h index 96b228e6e79..3c46cea8db7 100644 --- a/include/asm-x86_64/boot.h +++ b/include/asm-x86_64/boot.h @@ -1,15 +1 @@ -#ifndef _LINUX_BOOT_H -#define _LINUX_BOOT_H - -/* Don't touch these, unless you really know what you're doing. */ -#define DEF_INITSEG 0x9000 -#define DEF_SYSSEG 0x1000 -#define DEF_SETUPSEG 0x9020 -#define DEF_SYSSIZE 0x7F00 - -/* Internal svga startup constants */ -#define NORMAL_VGA 0xffff /* 80x25 mode */ -#define EXTENDED_VGA 0xfffe /* 80x50 mode */ -#define ASK_VGA 0xfffd /* ask for it at bootup */ - -#endif +#include <asm-i386/boot.h> diff --git a/include/asm-x86_64/bootparam.h b/include/asm-x86_64/bootparam.h new file mode 100644 index 00000000000..aa82e5238d8 --- /dev/null +++ b/include/asm-x86_64/bootparam.h @@ -0,0 +1 @@ +#include <asm-i386/bootparam.h> |