linuxdebug/arch/x86/include/asm/prom.h

38 lines
821 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Definitions for Device tree / OpenFirmware handling on X86
*
* based on arch/powerpc/include/asm/prom.h which is
* Copyright (C) 1996-2005 Paul Mackerras.
*/
#ifndef _ASM_X86_PROM_H
#define _ASM_X86_PROM_H
#ifndef __ASSEMBLY__
#include <linux/of.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <asm/irq.h>
#include <linux/atomic.h>
#include <asm/setup.h>
#ifdef CONFIG_OF
extern int of_ioapic;
extern u64 initial_dtb;
extern void add_dtb(u64 data);
void x86_of_pci_init(void);
void x86_dtb_init(void);
#else
static inline void add_dtb(u64 data) { }
static inline void x86_of_pci_init(void) { }
static inline void x86_dtb_init(void) { }
#define of_ioapic 0
#endif
extern char cmd_line[COMMAND_LINE_SIZE];
#endif /* __ASSEMBLY__ */
#endif