mirror of https://gitee.com/openkylin/linux.git
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
#ifndef BOOT_COMPRESSED_MISC_H
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#define BOOT_COMPRESSED_MISC_H
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/*
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* Special hack: we have to be careful, because no indirections are allowed here,
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* and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
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* we just keep it from happening. (This list needs to be extended when new
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* paravirt and debugging variants are added.)
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*/
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#undef CONFIG_PARAVIRT
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#undef CONFIG_PARAVIRT_SPINLOCKS
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#undef CONFIG_KASAN
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#include <linux/linkage.h>
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#include <linux/screen_info.h>
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#include <linux/elf.h>
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#include <linux/io.h>
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#include <asm/page.h>
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#include <asm/boot.h>
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#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
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#define memptr long
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#else
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#define memptr unsigned
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#endif
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/* misc.c */
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extern memptr free_mem_ptr;
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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);
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void __puthex(unsigned long value);
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#define error_putstr(__x) __putstr(__x)
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#define error_puthex(__x) __puthex(__x)
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#ifdef CONFIG_X86_VERBOSE_BOOTUP
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#define debug_putstr(__x) __putstr(__x)
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#define debug_puthex(__x) __puthex(__x)
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#define debug_putaddr(__x) { \
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debug_putstr(#__x ": 0x"); \
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debug_puthex((unsigned long)(__x)); \
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debug_putstr("\n"); \
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}
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#else
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static inline void debug_putstr(const char *s)
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{ }
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static inline void debug_puthex(const char *s)
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{ }
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#define debug_putaddr(x) /* */
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#endif
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#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
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/* cmdline.c */
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int cmdline_find_option(const char *option, char *buffer, int bufsize);
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int cmdline_find_option_bool(const char *option);
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#endif
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#if CONFIG_RANDOMIZE_BASE
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/* aslr.c */
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unsigned char *choose_kernel_location(struct boot_params *boot_params,
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unsigned char *input,
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unsigned long input_size,
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unsigned char *output,
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unsigned long output_size);
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/* cpuflags.c */
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bool has_cpuflag(int flag);
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#else
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static inline
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unsigned char *choose_kernel_location(struct boot_params *boot_params,
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unsigned char *input,
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unsigned long input_size,
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unsigned char *output,
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unsigned long output_size)
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{
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return output;
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}
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#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;
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void console_init(void);
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#else
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static const int early_serial_base;
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static inline void console_init(void)
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{ }
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#endif
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#endif
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