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 #ifdef CONFIG_X86_5LEVEL
16 /* cpu_feature_enabled() cannot be used that early */
17 #define pgtable_l5_enabled __pgtable_l5_enabled
20 #include <linux/linkage.h>
21 #include <linux/screen_info.h>
22 #include <linux/elf.h>
26 #include <asm/bootparam.h>
27 #include <asm/bootparam_utils.h>
35 #define memptr unsigned
39 extern memptr free_mem_ptr;
40 extern memptr free_mem_end_ptr;
41 extern struct boot_params *boot_params;
42 void __putstr(const char *s);
43 void __puthex(unsigned long value);
44 #define error_putstr(__x) __putstr(__x)
45 #define error_puthex(__x) __puthex(__x)
47 #ifdef CONFIG_X86_VERBOSE_BOOTUP
49 #define debug_putstr(__x) __putstr(__x)
50 #define debug_puthex(__x) __puthex(__x)
51 #define debug_putaddr(__x) { \
52 debug_putstr(#__x ": 0x"); \
53 debug_puthex((unsigned long)(__x)); \
59 static inline void debug_putstr(const char *s)
61 static inline void debug_puthex(const char *s)
63 #define debug_putaddr(x) /* */
67 #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
69 int cmdline_find_option(const char *option, char *buffer, int bufsize);
70 int cmdline_find_option_bool(const char *option);
74 #if CONFIG_RANDOMIZE_BASE
76 void choose_random_location(unsigned long input,
77 unsigned long input_size,
78 unsigned long *output,
79 unsigned long output_size,
80 unsigned long *virt_addr);
82 bool has_cpuflag(int flag);
84 static inline void choose_random_location(unsigned long input,
85 unsigned long input_size,
86 unsigned long *output,
87 unsigned long output_size,
88 unsigned long *virt_addr)
94 void initialize_identity_maps(void);
95 void add_identity_map(unsigned long start, unsigned long size);
96 void finalize_identity_maps(void);
97 extern unsigned char _pgtable[];
99 static inline void initialize_identity_maps(void)
101 static inline void add_identity_map(unsigned long start, unsigned long size)
103 static inline void finalize_identity_maps(void)
107 #ifdef CONFIG_EARLY_PRINTK
108 /* early_serial_console.c */
109 extern int early_serial_base;
110 void console_init(void);
112 static const int early_serial_base;
113 static inline void console_init(void)
117 unsigned long get_sev_encryption_mask(void);