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 12 void setup_bios_corruption_check(void); 13 14 15 #ifdef CONFIG_X86_VISWS 16 extern void visws_early_detect(void); 17 extern int is_visws_box(void); 18 #else visws_early_detect(void)19static inline void visws_early_detect(void) { } is_visws_box(void)20static inline int is_visws_box(void) { return 0; } 21 #endif 22 23 extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip); 24 extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip); 25 /* 26 * Any setup quirks to be performed? 27 */ 28 struct mpc_cpu; 29 struct mpc_bus; 30 struct mpc_oemtable; 31 struct x86_quirks { 32 int (*arch_pre_time_init)(void); 33 int (*arch_time_init)(void); 34 int (*arch_pre_intr_init)(void); 35 int (*arch_intr_init)(void); 36 int (*arch_trap_init)(void); 37 char * (*arch_memory_setup)(void); 38 int (*mach_get_smp_config)(unsigned int early); 39 int (*mach_find_smp_config)(unsigned int reserve); 40 41 int *mpc_record; 42 int (*mpc_apic_id)(struct mpc_cpu *m); 43 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); 44 void (*mpc_oem_pci_bus)(struct mpc_bus *m); 45 void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable, 46 unsigned short oemsize); 47 int (*setup_ioapic_ids)(void); 48 int (*update_genapic)(void); 49 }; 50 51 extern struct x86_quirks *x86_quirks; 52 extern unsigned long saved_video_mode; 53 54 #ifndef CONFIG_PARAVIRT 55 #define paravirt_post_allocator_init() do {} while (0) 56 #endif 57 #endif /* __ASSEMBLY__ */ 58 59 #ifdef __KERNEL__ 60 61 #ifdef __i386__ 62 63 #include <linux/pfn.h> 64 /* 65 * Reserved space for vmalloc and iomap - defined in asm/page.h 66 */ 67 #define MAXMEM_PFN PFN_DOWN(MAXMEM) 68 #define MAX_NONPAE_PFN (1 << 20) 69 70 #endif /* __i386__ */ 71 72 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */ 73 74 #define OLD_CL_MAGIC 0xA33F 75 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */ 76 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ 77 78 #ifndef __ASSEMBLY__ 79 #include <asm/bootparam.h> 80 81 #ifndef _SETUP 82 83 /* 84 * This is set up by the setup-routine at boot-time 85 */ 86 extern struct boot_params boot_params; 87 88 /* 89 * Do NOT EVER look at the BIOS memory size location. 90 * It does not work on many machines. 91 */ 92 #define LOWMEMSIZE() (0x9f000) 93 94 #ifdef __i386__ 95 96 void __init i386_start_kernel(void); 97 extern void probe_roms(void); 98 99 extern unsigned long init_pg_tables_start; 100 extern unsigned long init_pg_tables_end; 101 102 #else 103 void __init x86_64_init_pda(void); 104 void __init x86_64_start_kernel(char *real_mode); 105 void __init x86_64_start_reservations(char *real_mode_data); 106 107 #endif /* __i386__ */ 108 #endif /* _SETUP */ 109 #endif /* __ASSEMBLY__ */ 110 #endif /* __KERNEL__ */ 111 112 #endif /* _ASM_X86_SETUP_H */ 113