1 #ifndef _ASM_X86_SETUP_H 2 #define _ASM_X86_SETUP_H 3 4 #define COMMAND_LINE_SIZE 2048 5 6 #ifndef __ASSEMBLY__ 7 8 /* Interrupt control for vSMPowered x86_64 systems */ 9 void vsmp_init(void); 10 11 #ifdef CONFIG_X86_VISWS 12 extern void visws_early_detect(void); 13 extern int is_visws_box(void); 14 #else 15 static inline void visws_early_detect(void) { } 16 static inline int is_visws_box(void) { return 0; } 17 #endif 18 19 /* 20 * Any setup quirks to be performed? 21 */ 22 struct mpc_config_processor; 23 struct mpc_config_bus; 24 struct mp_config_oemtable; 25 struct x86_quirks { 26 int (*arch_pre_time_init)(void); 27 int (*arch_time_init)(void); 28 int (*arch_pre_intr_init)(void); 29 int (*arch_intr_init)(void); 30 int (*arch_trap_init)(void); 31 char * (*arch_memory_setup)(void); 32 int (*mach_get_smp_config)(unsigned int early); 33 int (*mach_find_smp_config)(unsigned int reserve); 34 35 int *mpc_record; 36 int (*mpc_apic_id)(struct mpc_config_processor *m); 37 void (*mpc_oem_bus_info)(struct mpc_config_bus *m, char *name); 38 void (*mpc_oem_pci_bus)(struct mpc_config_bus *m); 39 void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable, 40 unsigned short oemsize); 41 int (*setup_ioapic_ids)(void); 42 }; 43 44 extern struct x86_quirks *x86_quirks; 45 extern unsigned long saved_video_mode; 46 47 #ifndef CONFIG_PARAVIRT 48 #define paravirt_post_allocator_init() do {} while (0) 49 #endif 50 #endif /* __ASSEMBLY__ */ 51 52 #ifdef __KERNEL__ 53 54 #ifdef __i386__ 55 56 #include <linux/pfn.h> 57 /* 58 * Reserved space for vmalloc and iomap - defined in asm/page.h 59 */ 60 #define MAXMEM_PFN PFN_DOWN(MAXMEM) 61 #define MAX_NONPAE_PFN (1 << 20) 62 63 #endif /* __i386__ */ 64 65 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */ 66 67 #define OLD_CL_MAGIC 0xA33F 68 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */ 69 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ 70 71 #ifndef __ASSEMBLY__ 72 #include <asm/bootparam.h> 73 74 #ifndef _SETUP 75 76 /* 77 * This is set up by the setup-routine at boot-time 78 */ 79 extern struct boot_params boot_params; 80 81 /* 82 * Do NOT EVER look at the BIOS memory size location. 83 * It does not work on many machines. 84 */ 85 #define LOWMEMSIZE() (0x9f000) 86 87 #ifdef __i386__ 88 89 void __init i386_start_kernel(void); 90 extern void probe_roms(void); 91 92 extern unsigned long init_pg_tables_start; 93 extern unsigned long init_pg_tables_end; 94 95 #else 96 void __init x86_64_init_pda(void); 97 void __init x86_64_start_kernel(char *real_mode); 98 void __init x86_64_start_reservations(char *real_mode_data); 99 100 #endif /* __i386__ */ 101 #endif /* _SETUP */ 102 #endif /* __ASSEMBLY__ */ 103 #endif /* __KERNEL__ */ 104 105 #endif /* _ASM_X86_SETUP_H */ 106