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>
28 #include <linux/acpi.h>
36 #define memptr unsigned
40 extern memptr free_mem_ptr;
41 extern memptr free_mem_end_ptr;
42 extern struct boot_params *boot_params;
43 void __putstr(const char *s);
44 void __puthex(unsigned long value);
45 #define error_putstr(__x) __putstr(__x)
46 #define error_puthex(__x) __puthex(__x)
48 #ifdef CONFIG_X86_VERBOSE_BOOTUP
50 #define debug_putstr(__x) __putstr(__x)
51 #define debug_puthex(__x) __puthex(__x)
52 #define debug_putaddr(__x) { \
53 debug_putstr(#__x ": 0x"); \
54 debug_puthex((unsigned long)(__x)); \
60 static inline void debug_putstr(const char *s)
62 static inline void debug_puthex(const char *s)
64 #define debug_putaddr(x) /* */
69 int cmdline_find_option(const char *option, char *buffer, int bufsize);
70 int cmdline_find_option_bool(const char *option);
73 unsigned long long start;
74 unsigned long long size;
77 #if CONFIG_RANDOMIZE_BASE
79 void choose_random_location(unsigned long input,
80 unsigned long input_size,
81 unsigned long *output,
82 unsigned long output_size,
83 unsigned long *virt_addr);
85 bool has_cpuflag(int flag);
87 static inline void choose_random_location(unsigned long input,
88 unsigned long input_size,
89 unsigned long *output,
90 unsigned long output_size,
91 unsigned long *virt_addr)
97 void initialize_identity_maps(void);
98 void add_identity_map(unsigned long start, unsigned long size);
99 void finalize_identity_maps(void);
100 extern unsigned char _pgtable[];
102 static inline void initialize_identity_maps(void)
104 static inline void add_identity_map(unsigned long start, unsigned long size)
106 static inline void finalize_identity_maps(void)
110 #ifdef CONFIG_EARLY_PRINTK
111 /* early_serial_console.c */
112 extern int early_serial_base;
113 void console_init(void);
115 static const int early_serial_base;
116 static inline void console_init(void)
120 void set_sev_encryption_mask(void);
124 acpi_physical_address get_rsdp_addr(void);
126 static inline acpi_physical_address get_rsdp_addr(void) { return 0; }
129 #if defined(CONFIG_RANDOMIZE_BASE) && defined(CONFIG_MEMORY_HOTREMOVE) && defined(CONFIG_ACPI)
130 extern struct mem_vector immovable_mem[MAX_NUMNODES*2];
131 int count_immovable_mem_regions(void);
133 static inline int count_immovable_mem_regions(void) { return 0; }
136 #endif /* BOOT_COMPRESSED_MISC_H */