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32 results

mremap.c

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  • misc.h 3.53 KiB
    /* SPDX-License-Identifier: GPL-2.0 */
    #ifndef BOOT_COMPRESSED_MISC_H
    #define BOOT_COMPRESSED_MISC_H
    
    /*
     * Special hack: 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. (This list needs to be extended when new
     * paravirt and debugging variants are added.)
     */
    #undef CONFIG_PARAVIRT
    #undef CONFIG_PARAVIRT_XXL
    #undef CONFIG_PARAVIRT_SPINLOCKS
    #undef CONFIG_KASAN
    
    /* cpu_feature_enabled() cannot be used this early */
    #define USE_EARLY_PGTABLE_L5
    
    #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>
    #include <asm/desc_defs.h>
    
    #define BOOT_CTYPE_H
    #include <linux/acpi.h>
    
    #define BOOT_BOOT_H
    #include "../ctype.h"
    
    #ifdef CONFIG_X86_64
    #define memptr long
    #else
    #define memptr unsigned
    #endif
    
    /* boot/compressed/vmlinux start and end markers */
    extern char _head[], _end[];
    
    /* misc.c */
    extern memptr free_mem_ptr;
    extern memptr free_mem_end_ptr;
    extern struct boot_params *boot_params;
    void __putstr(const char *s);
    void __puthex(unsigned long value);
    #define error_putstr(__x)  __putstr(__x)
    #define error_puthex(__x)  __puthex(__x)
    
    #ifdef CONFIG_X86_VERBOSE_BOOTUP
    
    #define debug_putstr(__x)  __putstr(__x)
    #define debug_puthex(__x)  __puthex(__x)
    #define debug_putaddr(__x) { \
    		debug_putstr(#__x ": 0x"); \
    		debug_puthex((unsigned long)(__x)); \
    		debug_putstr("\n"); \
    	}
    
    #else
    
    static inline void debug_putstr(const char *s)
    { }
    static inline void debug_puthex(unsigned long value)
    { }
    #define debug_putaddr(x) /* */
    
    #endif