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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - arch/x86/boot/compressed/misc.h
1 #ifndef BOOT_COMPRESSED_MISC_H
2 #define BOOT_COMPRESSED_MISC_H
5 * Special hack: we have to be careful, because no indirections are allowed here,
6 * and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
7 * we just keep it from happening. (This list needs to be extended when new
8 * paravirt and debugging variants are added.)
10 #undef CONFIG_PARAVIRT
11 #undef CONFIG_PARAVIRT_SPINLOCKS
14 #include <linux/linkage.h>
15 #include <linux/screen_info.h>
16 #include <linux/elf.h>
20 #include <asm/bootparam.h>
21 #include <asm/bootparam_utils.h>
29 #define memptr unsigned
33 extern memptr free_mem_ptr
;
34 extern memptr free_mem_end_ptr
;
35 extern struct boot_params
*boot_params
;
36 void __putstr(const char *s
);
37 void __puthex(unsigned long value
);
38 #define error_putstr(__x) __putstr(__x)
39 #define error_puthex(__x) __puthex(__x)
41 #ifdef CONFIG_X86_VERBOSE_BOOTUP
43 #define debug_putstr(__x) __putstr(__x)
44 #define debug_puthex(__x) __puthex(__x)
45 #define debug_putaddr(__x) { \
46 debug_putstr(#__x ": 0x"); \
47 debug_puthex((unsigned long)(__x)); \
53 static inline void debug_putstr(const char *s
)
55 static inline void debug_puthex(const char *s
)
57 #define debug_putaddr(x) /* */
61 #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
63 int cmdline_find_option(const char *option
, char *buffer
, int bufsize
);
64 int cmdline_find_option_bool(const char *option
);
68 #if CONFIG_RANDOMIZE_BASE
70 void choose_random_location(unsigned long input
,
71 unsigned long input_size
,
72 unsigned long *output
,
73 unsigned long output_size
,
74 unsigned long *virt_addr
);
76 bool has_cpuflag(int flag
);
78 static inline void choose_random_location(unsigned long input
,
79 unsigned long input_size
,
80 unsigned long *output
,
81 unsigned long output_size
,
82 unsigned long *virt_addr
)
84 /* No change from existing output location. */
90 void initialize_identity_maps(void);
91 void add_identity_map(unsigned long start
, unsigned long size
);
92 void finalize_identity_maps(void);
93 extern unsigned char _pgtable
[];
95 static inline void initialize_identity_maps(void)
97 static inline void add_identity_map(unsigned long start
, unsigned long size
)
99 static inline void finalize_identity_maps(void)
103 #ifdef CONFIG_EARLY_PRINTK
104 /* early_serial_console.c */
105 extern int early_serial_base
;
106 void console_init(void);
108 static const int early_serial_base
;
109 static inline void console_init(void)