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_XXL
13 #undef CONFIG_PARAVIRT_SPINLOCKS
16 /* cpu_feature_enabled() cannot be used this early */
17 #define USE_EARLY_PGTABLE_L5
19 #include <linux/linkage.h>
20 #include <linux/screen_info.h>
21 #include <linux/elf.h>
25 #include <asm/bootparam.h>
26 #include <asm/bootparam_utils.h>
34 #define memptr unsigned
38 extern memptr free_mem_ptr;
39 extern memptr free_mem_end_ptr;
40 extern struct boot_params *boot_params;
41 void __putstr(const char *s);
42 void __puthex(unsigned long value);
43 #define error_putstr(__x) __putstr(__x)
44 #define error_puthex(__x) __puthex(__x)
46 #ifdef CONFIG_X86_VERBOSE_BOOTUP
48 #define debug_putstr(__x) __putstr(__x)
49 #define debug_puthex(__x) __puthex(__x)
50 #define debug_putaddr(__x) { \
51 debug_putstr(#__x ": 0x"); \
52 debug_puthex((unsigned long)(__x)); \
58 static inline void debug_putstr(const char *s)
60 static inline void debug_puthex(const char *s)
62 #define debug_putaddr(x) /* */
66 #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
68 int cmdline_find_option(const char *option, char *buffer, int bufsize);
69 int cmdline_find_option_bool(const char *option);
73 #if CONFIG_RANDOMIZE_BASE
75 void choose_random_location(unsigned long input,
76 unsigned long input_size,
77 unsigned long *output,
78 unsigned long output_size,
79 unsigned long *virt_addr);
81 bool has_cpuflag(int flag);
83 static inline void choose_random_location(unsigned long input,
84 unsigned long input_size,
85 unsigned long *output,
86 unsigned long output_size,
87 unsigned long *virt_addr)
93 void initialize_identity_maps(void);
94 void add_identity_map(unsigned long start, unsigned long size);
95 void finalize_identity_maps(void);
96 extern unsigned char _pgtable[];
98 static inline void initialize_identity_maps(void)
100 static inline void add_identity_map(unsigned long start, unsigned long size)
102 static inline void finalize_identity_maps(void)
106 #ifdef CONFIG_EARLY_PRINTK
107 /* early_serial_console.c */
108 extern int early_serial_base;
109 void console_init(void);
111 static const int early_serial_base;
112 static inline void console_init(void)
116 void set_sev_encryption_mask(void);