1 #ifndef _ASM_X86_SETUP_H 2 #define _ASM_X86_SETUP_H 3 4 #ifdef __KERNEL__ 5 6 #define COMMAND_LINE_SIZE 2048 7 8 #ifndef __ASSEMBLY__ 9 10 /* 11 * Any setup quirks to be performed? 12 */ 13 struct mpc_cpu; 14 struct mpc_bus; 15 struct mpc_oemtable; 16 struct x86_quirks { 17 int (*arch_pre_time_init)(void); 18 int (*arch_time_init)(void); 19 int (*arch_pre_intr_init)(void); 20 int (*arch_intr_init)(void); 21 int (*arch_trap_init)(void); 22 char * (*arch_memory_setup)(void); 23 int (*mach_get_smp_config)(unsigned int early); 24 int (*mach_find_smp_config)(unsigned int reserve); 25 26 int *mpc_record; 27 int (*mpc_apic_id)(struct mpc_cpu *m); 28 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); 29 void (*mpc_oem_pci_bus)(struct mpc_bus *m); 30 void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable, 31 unsigned short oemsize); 32 int (*setup_ioapic_ids)(void); 33 int (*update_genapic)(void); 34 }; 35 36 #endif /* __ASSEMBLY__ */ 37 38 #ifdef __i386__ 39 40 #include <linux/pfn.h> 41 /* 42 * Reserved space for vmalloc and iomap - defined in asm/page.h 43 */ 44 #define MAXMEM_PFN PFN_DOWN(MAXMEM) 45 #define MAX_NONPAE_PFN (1 << 20) 46 47 #endif /* __i386__ */ 48 49 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */ 50 51 #define OLD_CL_MAGIC 0xA33F 52 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */ 53 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ 54 55 #ifndef __ASSEMBLY__ 56 #include <asm/bootparam.h> 57 58 /* Interrupt control for vSMPowered x86_64 systems */ 59 void vsmp_init(void); 60 61 void setup_bios_corruption_check(void); 62 63 #ifdef CONFIG_X86_VISWS 64 extern void visws_early_detect(void); 65 extern int is_visws_box(void); 66 #else 67 static inline void visws_early_detect(void) { } 68 static inline int is_visws_box(void) { return 0; } 69 #endif 70 71 extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); 72 extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); 73 extern struct x86_quirks *x86_quirks; 74 extern unsigned long saved_video_mode; 75 76 #ifndef CONFIG_PARAVIRT 77 #define paravirt_post_allocator_init() do {} while (0) 78 #endif 79 80 #ifndef _SETUP 81 82 /* 83 * This is set up by the setup-routine at boot-time 84 */ 85 extern struct boot_params boot_params; 86 87 /* 88 * Do NOT EVER look at the BIOS memory size location. 89 * It does not work on many machines. 90 */ 91 #define LOWMEMSIZE() (0x9f000) 92 93 #ifdef __i386__ 94 95 void __init i386_start_kernel(void); 96 extern void probe_roms(void); 97 98 extern unsigned long init_pg_tables_start; 99 extern unsigned long init_pg_tables_end; 100 101 #else 102 void __init x86_64_init_pda(void); 103 void __init x86_64_start_kernel(char *real_mode); 104 void __init x86_64_start_reservations(char *real_mode_data); 105 106 #endif /* __i386__ */ 107 #endif /* _SETUP */ 108 #endif /* __ASSEMBLY__ */ 109 #endif /* __KERNEL__ */ 110 111 #endif /* _ASM_X86_SETUP_H */ 112