1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef BOOT_COMPRESSED_MISC_H
3 #define BOOT_COMPRESSED_MISC_H
6 * Special hack: we have to be careful, because no indirections are allowed here,
7 * and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
8 * we just keep it from happening. (This list needs to be extended when new
9 * paravirt and debugging variants are added.)
11 #undef CONFIG_PARAVIRT
12 #undef CONFIG_PARAVIRT_SPINLOCKS
15 #include <linux/linkage.h>
16 #include <linux/screen_info.h>
17 #include <linux/elf.h>
21 #include <asm/bootparam.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)
88 void initialize_identity_maps(void);
89 void add_identity_map(unsigned long start, unsigned long size);
90 void finalize_identity_maps(void);
91 extern unsigned char _pgtable[];
93 static inline void initialize_identity_maps(void)
95 static inline void add_identity_map(unsigned long start, unsigned long size)
97 static inline void finalize_identity_maps(void)
101 #ifdef CONFIG_EARLY_PRINTK
102 /* early_serial_console.c */
103 extern int early_serial_base;
104 void console_init(void);
106 static const int early_serial_base;
107 static inline void console_init(void)