haiku/headers/private/kernel/arch/x86/arch_kernel_args.h

48 lines
1.1 KiB
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
#define MAX_BOOT_PTABLES 4
#define _PACKED __attribute__((packed))
#define IDT_LIMIT 0x800
#define GDT_LIMIT 0x800
// kernel args
typedef struct {
// architecture specific
uint32 system_time_cv_factor;
uint64 cpu_clock_speed;
uint32 phys_pgdir;
uint32 vir_pgdir;
uint32 num_pgtables;
uint32 pgtables[MAX_BOOT_PTABLES];
uint32 phys_idt;
uint32 vir_idt;
uint32 phys_gdt;
uint32 vir_gdt;
uint32 page_hole;
// smp stuff
uint32 apic_time_cv_factor; // apic ticks per second
uint32 apic_phys;
uint32 *apic;
uint32 ioapic_phys;
uint32 *ioapic;
uint32 cpu_apic_id[MAX_BOOT_CPUS];
uint32 cpu_os_id[MAX_BOOT_CPUS];
uint32 cpu_apic_version[MAX_BOOT_CPUS];
// hpet stuff
uint32 hpet_phys;
uint32 *hpet;
} arch_kernel_args;
#endif /* KERNEL_ARCH_x86_KERNEL_ARGS_H */