misc.h 1.9 KB
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#ifndef BOOT_COMPRESSED_MISC_H
#define BOOT_COMPRESSED_MISC_H

/*
 * we have to be careful, because no indirections are allowed here, and
 * paravirt_ops is a kind of one. As it will only run in baremetal anyway,
 * we just keep it from happening
 */
#undef CONFIG_PARAVIRT
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#undef CONFIG_KASAN
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#ifdef CONFIG_X86_32
#define _ASM_X86_DESC_H 1
#endif

#include <linux/linkage.h>
#include <linux/screen_info.h>
#include <linux/elf.h>
#include <linux/io.h>
#include <asm/page.h>
#include <asm/boot.h>
#include <asm/bootparam.h>
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#include <asm/bootparam_utils.h>
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#define BOOT_BOOT_H
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#include "../ctype.h"
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#ifdef CONFIG_X86_64
#define memptr long
#else
#define memptr unsigned
#endif

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/* misc.c */
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extern memptr free_mem_ptr;
extern memptr free_mem_end_ptr;
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extern struct boot_params *real_mode;		/* Pointer to real-mode data */
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void __putstr(const char *s);
#define error_putstr(__x)  __putstr(__x)

#ifdef CONFIG_X86_VERBOSE_BOOTUP

#define debug_putstr(__x)  __putstr(__x)

#else

static inline void debug_putstr(const char *s)
{ }

#endif
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#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
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/* cmdline.c */
int cmdline_find_option(const char *option, char *buffer, int bufsize);
int cmdline_find_option_bool(const char *option);
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#endif
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#if CONFIG_RANDOMIZE_BASE
/* aslr.c */
unsigned char *choose_kernel_location(unsigned char *input,
				      unsigned long input_size,
				      unsigned char *output,
				      unsigned long output_size);
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/* cpuflags.c */
bool has_cpuflag(int flag);
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#else
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static inline
unsigned char *choose_kernel_location(unsigned char *input,
				      unsigned long input_size,
				      unsigned char *output,
				      unsigned long output_size)
{
	return output;
}
#endif
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#ifdef CONFIG_EARLY_PRINTK
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/* early_serial_console.c */
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extern int early_serial_base;
void console_init(void);
#else
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static const int early_serial_base;
static inline void console_init(void)
{ }
#endif

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#endif