haiku/headers/private/kernel/arch/x86/arch_kernel_args.h
2014-10-27 10:57:28 +01:00

44 lines
1015 B
C

/*
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#ifndef KERNEL_ARCH_x86_KERNEL_ARGS_H
#define KERNEL_ARCH_x86_KERNEL_ARGS_H
#ifndef KERNEL_BOOT_KERNEL_ARGS_H
# error This file is included from <boot/kernel_args.h> only
#endif
#include <util/FixedWidthPointer.h>
#define MAX_BOOT_PTABLES 8
#define _PACKED __attribute__((packed))
// kernel args
typedef struct {
// architecture specific
uint32 system_time_cv_factor;
uint64 cpu_clock_speed;
uint32 phys_pgdir;
uint64 vir_pgdir;
uint32 num_pgtables;
uint32 pgtables[MAX_BOOT_PTABLES];
uint64 virtual_end;
uint64 page_hole;
// smp stuff
uint32 apic_time_cv_factor; // apic ticks per second
uint32 apic_phys;
FixedWidthPointer<void> apic;
uint32 ioapic_phys;
uint32 cpu_apic_id[SMP_MAX_CPUS];
uint32 cpu_apic_version[SMP_MAX_CPUS];
// hpet stuff
uint32 hpet_phys;
FixedWidthPointer<void> hpet;
} _PACKED arch_kernel_args;
#endif /* KERNEL_ARCH_x86_KERNEL_ARGS_H */