diff options
Diffstat (limited to 'include/asm-x86/setup_32.h')
-rw-r--r-- | include/asm-x86/setup_32.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/asm-x86/setup_32.h b/include/asm-x86/setup_32.h new file mode 100644 index 0000000..7862fe8 --- /dev/null +++ b/include/asm-x86/setup_32.h @@ -0,0 +1,92 @@ +/* + * 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__ + +#include <asm/bootparam.h> + +/* + * This is set up by the setup-routine at boot-time + */ +extern struct boot_params 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)) +#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 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))) +#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; + +#ifndef CONFIG_PARAVIRT +#define paravirt_post_allocator_init() do {} while (0) +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __KERNEL__ */ + +#endif /* _i386_SETUP_H */ |