ia64/linux-2.6.18-xen.hg

view scripts/mod/modpost.h @ 798:b02a90bf5bbc

ACPI: Backport missing part for T-State MSR support

Part of below kernel commit was missed while packporting T-State
support.

commit f79f06ab9f86d7203006d2ec8992ac80df36a34e
Author: Zhao Yakui <yakui.zhao@intel.com>
Date: Thu Nov 15 17:06:36 2007 +0800

ACPI: Enable MSR (FixedHW) support for T-States

Add throttling control via MSR when T-states uses
the FixHW Control Status registers.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Signed-off-by: Wei Gang <gang.wei@intel.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Mar 02 10:53:59 2009 +0000 (2009-03-02)
parents 831230e53067
children
line source
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <stdarg.h>
4 #include <string.h>
5 #include <sys/types.h>
6 #include <sys/stat.h>
7 #include <sys/mman.h>
8 #include <fcntl.h>
9 #include <unistd.h>
10 #include <elf.h>
12 #include "elfconfig.h"
14 #if KERNEL_ELFCLASS == ELFCLASS32
16 #define Elf_Ehdr Elf32_Ehdr
17 #define Elf_Shdr Elf32_Shdr
18 #define Elf_Sym Elf32_Sym
19 #define Elf_Addr Elf32_Addr
20 #define Elf_Section Elf32_Section
21 #define ELF_ST_BIND ELF32_ST_BIND
22 #define ELF_ST_TYPE ELF32_ST_TYPE
24 #define Elf_Rel Elf32_Rel
25 #define Elf_Rela Elf32_Rela
26 #define ELF_R_SYM ELF32_R_SYM
27 #define ELF_R_TYPE ELF32_R_TYPE
28 #else
30 #define Elf_Ehdr Elf64_Ehdr
31 #define Elf_Shdr Elf64_Shdr
32 #define Elf_Sym Elf64_Sym
33 #define Elf_Addr Elf64_Addr
34 #define Elf_Section Elf64_Section
35 #define ELF_ST_BIND ELF64_ST_BIND
36 #define ELF_ST_TYPE ELF64_ST_TYPE
38 #define Elf_Rel Elf64_Rel
39 #define Elf_Rela Elf64_Rela
40 #define ELF_R_SYM ELF64_R_SYM
41 #define ELF_R_TYPE ELF64_R_TYPE
42 #endif
44 /* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
45 typedef struct
46 {
47 Elf32_Word r_sym; /* Symbol index */
48 unsigned char r_ssym; /* Special symbol for 2nd relocation */
49 unsigned char r_type3; /* 3rd relocation type */
50 unsigned char r_type2; /* 2nd relocation type */
51 unsigned char r_type1; /* 1st relocation type */
52 } _Elf64_Mips_R_Info;
54 typedef union
55 {
56 Elf64_Xword r_info_number;
57 _Elf64_Mips_R_Info r_info_fields;
58 } _Elf64_Mips_R_Info_union;
60 #define ELF64_MIPS_R_SYM(i) \
61 ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
63 #if KERNEL_ELFDATA != HOST_ELFDATA
65 static inline void __endian(const void *src, void *dest, unsigned int size)
66 {
67 unsigned int i;
68 for (i = 0; i < size; i++)
69 ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1];
70 }
72 #define TO_NATIVE(x) \
73 ({ \
74 typeof(x) __x; \
75 __endian(&(x), &(__x), sizeof(__x)); \
76 __x; \
77 })
79 #else /* endianness matches */
81 #define TO_NATIVE(x) (x)
83 #endif
85 #define NOFAIL(ptr) do_nofail((ptr), #ptr)
86 void *do_nofail(void *ptr, const char *expr);
88 struct buffer {
89 char *p;
90 int pos;
91 int size;
92 };
94 void __attribute__((format(printf, 2, 3)))
95 buf_printf(struct buffer *buf, const char *fmt, ...);
97 void
98 buf_write(struct buffer *buf, const char *s, int len);
100 struct module {
101 struct module *next;
102 const char *name;
103 int gpl_compatible;
104 struct symbol *unres;
105 int seen;
106 int skip;
107 int has_init;
108 int has_cleanup;
109 struct buffer dev_table_buf;
110 char srcversion[25];
111 };
113 struct elf_info {
114 unsigned long size;
115 Elf_Ehdr *hdr;
116 Elf_Shdr *sechdrs;
117 Elf_Sym *symtab_start;
118 Elf_Sym *symtab_stop;
119 Elf_Section export_sec;
120 Elf_Section export_unused_sec;
121 Elf_Section export_gpl_sec;
122 Elf_Section export_unused_gpl_sec;
123 Elf_Section export_gpl_future_sec;
124 const char *strtab;
125 char *modinfo;
126 unsigned int modinfo_len;
127 };
129 /* file2alias.c */
130 void handle_moddevtable(struct module *mod, struct elf_info *info,
131 Elf_Sym *sym, const char *symname);
132 void add_moddevtable(struct buffer *buf, struct module *mod);
134 /* sumversion.c */
135 void maybe_frob_rcs_version(const char *modfilename,
136 char *version,
137 void *modinfo,
138 unsigned long modinfo_offset);
139 void get_src_version(const char *modname, char sum[], unsigned sumlen);
141 /* from modpost.c */
142 void *grab_file(const char *filename, unsigned long *size);
143 char* get_next_line(unsigned long *pos, void *file, unsigned long size);
144 void release_file(void *file, unsigned long size);
146 void fatal(const char *fmt, ...);
147 void warn(const char *fmt, ...);