/* * Just a place holder. We don't want to have to test x86 before * we include stuff */ #ifndef _i386_SETUP_H #define _i386_SETUP_H #define COMMAND_LINE_SIZE 2048 #ifdef __KERNEL__ #include <linux/pfn.h> /* * Reserved space for vmalloc and iomap - defined in asm/page.h */ #define MAXMEM_PFN PFN_DOWN(MAXMEM) #define MAX_NONPAE_PFN (1 << 20) #define PARAM_SIZE 4096 #define OLD_CL_MAGIC_ADDR 0x90020 #define OLD_CL_MAGIC 0xA33F #define OLD_CL_BASE_ADDR 0x90000 #define OLD_CL_OFFSET 0x90022 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ #ifndef __ASSEMBLY__ /* * This is set up by the setup-routine at boot-time */ extern unsigned char boot_params[PARAM_SIZE]; #define PARAM (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)) #define E820_MAP_NR (*(char*) (PARAM+E820NR)) #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 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))) #define EFI_MEMMAP ((void *) *((unsigned long *)(PARAM+0x1d0))) #define EFI_MEMMAP_SIZE (*((unsigned long *) (PARAM+0x1d4))) #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) #define VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA)) #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) #define KERNEL_START (*(unsigned long *) (PARAM+0x214)) #define INITRD_START (*(unsigned long *) (PARAM+0x218)) #define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c)) #define EDID_INFO (*(struct edid_info *) (PARAM+0x140)) #define EDD_NR (*(unsigned char *) (PARAM+EDDNR)) #define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF)) #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) /* * Do NOT EVER look at the BIOS memory size location. * It does not work on many machines. */ #define LOWMEMSIZE() (0x9f000) struct e820entry; char * __init machine_specific_memory_setup(void); char *memory_setup(void); int __init copy_e820_map(struct e820entry * biosmap, int nr_map); int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map); void __init add_memory_region(unsigned long long start, unsigned long long size, int type); extern unsigned long init_pg_tables_end; #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _i386_SETUP_H */