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>
29 #include <linux/acpi.h>
37 #define memptr unsigned
41 extern memptr free_mem_ptr;
42 extern memptr free_mem_end_ptr;
43 extern struct boot_params *boot_params;
44 void __putstr(const char *s);
45 void __puthex(unsigned long value);
46 #define error_putstr(__x) __putstr(__x)
47 #define error_puthex(__x) __puthex(__x)
49 #ifdef CONFIG_X86_VERBOSE_BOOTUP
51 #define debug_putstr(__x) __putstr(__x)
52 #define debug_puthex(__x) __puthex(__x)
53 #define debug_putaddr(__x) { \
54 debug_putstr(#__x ": 0x"); \
55 debug_puthex((unsigned long)(__x)); \
61 static inline void debug_putstr(const char *s)
63 static inline void debug_puthex(const char *s)
65 #define debug_putaddr(x) /* */
70 int cmdline_find_option(const char *option, char *buffer, int bufsize);
71 int cmdline_find_option_bool(const char *option);
74 unsigned long long start;
75 unsigned long long size;
78 #if CONFIG_RANDOMIZE_BASE
80 void choose_random_location(unsigned long input,
81 unsigned long input_size,
82 unsigned long *output,
83 unsigned long output_size,
84 unsigned long *virt_addr);
86 bool has_cpuflag(int flag);
88 static inline void choose_random_location(unsigned long input,
89 unsigned long input_size,
90 unsigned long *output,
91 unsigned long output_size,
92 unsigned long *virt_addr)
98 void initialize_identity_maps(void);
99 void add_identity_map(unsigned long start, unsigned long size);
100 void finalize_identity_maps(void);
101 extern unsigned char _pgtable[];
103 static inline void initialize_identity_maps(void)
105 static inline void add_identity_map(unsigned long start, unsigned long size)
107 static inline void finalize_identity_maps(void)
111 #ifdef CONFIG_EARLY_PRINTK
112 /* early_serial_console.c */
113 extern int early_serial_base;
114 void console_init(void);
116 static const int early_serial_base;
117 static inline void console_init(void)
121 void set_sev_encryption_mask(void);
125 acpi_physical_address get_rsdp_addr(void);
127 static inline acpi_physical_address get_rsdp_addr(void) { return 0; }
130 #if defined(CONFIG_RANDOMIZE_BASE) && defined(CONFIG_MEMORY_HOTREMOVE) && defined(CONFIG_ACPI)
131 extern struct mem_vector immovable_mem[MAX_NUMNODES*2];
132 int count_immovable_mem_regions(void);
134 static inline int count_immovable_mem_regions(void) { return 0; }
137 #endif /* BOOT_COMPRESSED_MISC_H */