cregit-Linux how code gets into the kernel

Release 4.7 arch/x86/boot/compressed/misc.h

#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_SPINLOCKS

#undef CONFIG_KASAN

#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/bootparam_utils.h>


#define BOOT_BOOT_H
#include "../ctype.h"

#ifdef CONFIG_X86_64

#define memptr long
#else

#define memptr unsigned
#endif

/* 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) { }

Contributors

PersonTokensPropCommitsCommitProp
joe millenbachjoe millenbach11100.00%1100.00%
Total11100.00%1100.00%


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

Contributors

PersonTokensPropCommitsCommitProp
kees cookkees cook11100.00%1100.00%
Total11100.00%1100.00%

#define debug_putaddr(x) /* */ #endif #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE /* cmdline.c */ int cmdline_find_option(const char *option, char *buffer, int bufsize); int cmdline_find_option_bool(const char *option); #endif #if CONFIG_RANDOMIZE_BASE /* kaslr.c */ unsigned char *choose_random_location(unsigned long input_ptr, unsigned long input_size, unsigned long output_ptr, unsigned long output_size); /* cpuflags.c */ bool has_cpuflag(int flag); #else
static inline unsigned char *choose_random_location(unsigned long input_ptr, unsigned long input_size, unsigned long output_ptr, unsigned long output_size) { return (unsigned char *)output_ptr; }

Contributors

PersonTokensPropCommitsCommitProp
kees cookkees cook2678.79%375.00%
borislav petkovborislav petkov721.21%125.00%
Total33100.00%4100.00%

#endif #ifdef CONFIG_X86_64 void add_identity_map(unsigned long start, unsigned long size); void finalize_identity_maps(void); extern unsigned char _pgtable[]; #else
static inline void add_identity_map(unsigned long start, unsigned long size) { }

Contributors

PersonTokensPropCommitsCommitProp
kees cookkees cook14100.00%1100.00%
Total14100.00%1100.00%


static inline void finalize_identity_maps(void) { }

Contributors

PersonTokensPropCommitsCommitProp
kees cookkees cook8100.00%1100.00%
Total8100.00%1100.00%

#endif #ifdef CONFIG_EARLY_PRINTK /* early_serial_console.c */ extern int early_serial_base; void console_init(void); #else static const int early_serial_base;
static inline void console_init(void) { }

Contributors

PersonTokensPropCommitsCommitProp
joe millenbachjoe millenbach8100.00%1100.00%
Total8100.00%1100.00%

#endif #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
kees cookkees cook19555.08%947.37%
yinghai luyinghai lu9225.99%15.26%
joe millenbachjoe millenbach4412.43%315.79%
borislav petkovborislav petkov92.54%15.26%
h. peter anvinh. peter anvin61.69%210.53%
ingo molnaringo molnar41.13%15.26%
andrey ryabininandrey ryabinin30.85%15.26%
gokul caushikgokul caushik10.28%15.26%
Total354100.00%19100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}