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#ifndef _ASM_X86_SETUP_H
#define _ASM_X86_SETUP_H
#ifdef __KERNEL__
#define COMMAND_LINE_SIZE 2048
#ifndef __ASSEMBLY__
/*
* Any setup quirks to be performed?
*/
struct mpc_cpu;
struct mpc_bus;
struct mpc_oemtable;
struct x86_quirks {
int (*arch_pre_time_init)(void);
int (*arch_time_init)(void);
int (*arch_pre_intr_init)(void);
int (*arch_intr_init)(void);
int (*arch_trap_init)(void);
char * (*arch_memory_setup)(void);
int (*mach_get_smp_config)(unsigned int early);
int (*mach_find_smp_config)(unsigned int reserve);
int *mpc_record;
int (*mpc_apic_id)(struct mpc_cpu *m);
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
unsigned short oemsize);
int (*setup_ioapic_ids)(void);
};
extern void x86_quirk_pre_intr_init(void);
extern void x86_quirk_intr_init(void);
extern void x86_quirk_trap_init(void);
extern void x86_quirk_pre_time_init(void);
extern void x86_quirk_time_init(void);
#endif /* __ASSEMBLY__ */
#ifdef __i386__
#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)
#endif /* __i386__ */
#define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
#define OLD_CL_MAGIC 0xA33F
#define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
#ifndef __ASSEMBLY__
#include <asm/bootparam.h>
/* Interrupt control for vSMPowered x86_64 systems */
#ifdef CONFIG_X86_VSMP
void vsmp_init(void);
#else
static inline void vsmp_init(void) { }
#endif
void setup_bios_corruption_check(void);
#ifdef CONFIG_X86_VISWS
extern void visws_early_detect(void);
extern int is_visws_box(void);
#else
static inline void visws_early_detect(void) { }
static inline int is_visws_box(void) { return 0; }
#endif
extern struct x86_quirks *x86_quirks;
extern unsigned long saved_video_mode;
#ifndef CONFIG_PARAVIRT
#define paravirt_post_allocator_init() do {} while (0)
#endif
#ifndef _SETUP
/*
* This is set up by the setup-routine at boot-time
*/
extern struct boot_params boot_params;
/*
* Do NOT EVER look at the BIOS memory size location.
* It does not work on many machines.
*/
#define LOWMEMSIZE() (0x9f000)
/* exceedingly early brk-like allocator */
extern unsigned long _brk_end;
void *extend_brk(size_t size, size_t align);
/*
* Reserve space in the brk section. The name must be unique within
* the file, and somewhat descriptive. The size is in bytes. Must be
* used at file scope.
*
* (This uses a temp function to wrap the asm so we can pass it the
* size parameter; otherwise we wouldn't be able to. We can't use a
* "section" attribute on a normal variable because it always ends up
* being @progbits, which ends up allocating space in the vmlinux
* executable.)
*/
#define RESERVE_BRK(name,sz) \
static void __section(.discard) __used \
__brk_reservation_fn_##name##__(void) { \
asm volatile ( \
".pushsection .brk_reservation,\"aw\",@nobits;" \
"__brk_reservation_" #name "__:" \
" 1:.skip %c0;" \
" .size __brk_reservation_" #name "__, . - 1b;" \
" .popsection" \
: : "i" (sz)); \
}
#ifdef __i386__
void __init i386_start_kernel(void);
extern void probe_roms(void);
#else
void __init x86_64_start_kernel(char *real_mode);
void __init x86_64_start_reservations(char *real_mode_data);
#endif /* __i386__ */
#endif /* _SETUP */
#else
#define RESERVE_BRK(name,sz) \
.pushsection .brk_reservation,"aw",@nobits; \
__brk_reservation_##name##__: \
1: .skip sz; \
.size __brk_reservation_##name##__,.-1b; \
.popsection
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_X86_SETUP_H */
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