x86/efi: Enforce CONFIG_RELOCATABLE for EFI boot stub
[linux/fpc-iii.git] / arch / x86 / include / asm / setup.h
blobad1d8ec6719c5753e52999ba2396d8dd166540bf
1 #ifndef _ASM_X86_SETUP_H
2 #define _ASM_X86_SETUP_H
4 #include <uapi/asm/setup.h>
7 #define COMMAND_LINE_SIZE 2048
9 #include <linux/linkage.h>
11 #ifdef __i386__
13 #include <linux/pfn.h>
15 * Reserved space for vmalloc and iomap - defined in asm/page.h
17 #define MAXMEM_PFN PFN_DOWN(MAXMEM)
18 #define MAX_NONPAE_PFN (1 << 20)
20 #endif /* __i386__ */
22 #define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
24 #define OLD_CL_MAGIC 0xA33F
25 #define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
26 #define NEW_CL_POINTER 0x228 /* Relative to real mode data */
28 #ifndef __ASSEMBLY__
29 #include <asm/bootparam.h>
30 #include <asm/x86_init.h>
32 /* Interrupt control for vSMPowered x86_64 systems */
33 #ifdef CONFIG_X86_64
34 void vsmp_init(void);
35 #else
36 static inline void vsmp_init(void) { }
37 #endif
39 void setup_bios_corruption_check(void);
41 #ifdef CONFIG_X86_VISWS
42 extern void visws_early_detect(void);
43 #else
44 static inline void visws_early_detect(void) { }
45 #endif
47 extern unsigned long saved_video_mode;
49 extern void reserve_standard_io_resources(void);
50 extern void i386_reserve_resources(void);
51 extern void setup_default_timer_irq(void);
53 #ifdef CONFIG_X86_INTEL_MID
54 extern void x86_mrst_early_setup(void);
55 #else
56 static inline void x86_mrst_early_setup(void) { }
57 #endif
59 #ifdef CONFIG_X86_INTEL_CE
60 extern void x86_ce4100_early_setup(void);
61 #else
62 static inline void x86_ce4100_early_setup(void) { }
63 #endif
65 #ifndef _SETUP
67 #include <asm/espfix.h>
70 * This is set up by the setup-routine at boot-time
72 extern struct boot_params boot_params;
75 * Do NOT EVER look at the BIOS memory size location.
76 * It does not work on many machines.
78 #define LOWMEMSIZE() (0x9f000)
80 /* exceedingly early brk-like allocator */
81 extern unsigned long _brk_end;
82 void *extend_brk(size_t size, size_t align);
85 * Reserve space in the brk section. The name must be unique within
86 * the file, and somewhat descriptive. The size is in bytes. Must be
87 * used at file scope.
89 * (This uses a temp function to wrap the asm so we can pass it the
90 * size parameter; otherwise we wouldn't be able to. We can't use a
91 * "section" attribute on a normal variable because it always ends up
92 * being @progbits, which ends up allocating space in the vmlinux
93 * executable.)
95 #define RESERVE_BRK(name,sz) \
96 static void __section(.discard.text) __used notrace \
97 __brk_reservation_fn_##name##__(void) { \
98 asm volatile ( \
99 ".pushsection .brk_reservation,\"aw\",@nobits;" \
100 ".brk." #name ":" \
101 " 1:.skip %c0;" \
102 " .size .brk." #name ", . - 1b;" \
103 " .popsection" \
104 : : "i" (sz)); \
107 /* Helper for reserving space for arrays of things */
108 #define RESERVE_BRK_ARRAY(type, name, entries) \
109 type *name; \
110 RESERVE_BRK(name, sizeof(type) * entries)
112 extern void probe_roms(void);
113 #ifdef __i386__
115 asmlinkage void __init i386_start_kernel(void);
117 #else
118 asmlinkage void __init x86_64_start_kernel(char *real_mode);
119 asmlinkage void __init x86_64_start_reservations(char *real_mode_data);
121 #endif /* __i386__ */
122 #endif /* _SETUP */
123 #else
124 #define RESERVE_BRK(name,sz) \
125 .pushsection .brk_reservation,"aw",@nobits; \
126 .brk.name: \
127 1: .skip sz; \
128 .size .brk.name,.-1b; \
129 .popsection
130 #endif /* __ASSEMBLY__ */
131 #endif /* _ASM_X86_SETUP_H */