xref: /openbmc/linux/arch/mips/include/asm/module.h (revision b9ccfda2)
1 #ifndef _ASM_MODULE_H
2 #define _ASM_MODULE_H
3 
4 #include <linux/list.h>
5 #include <linux/elf.h>
6 #include <asm/uaccess.h>
7 
8 struct mod_arch_specific {
9 	/* Data Bus Error exception tables */
10 	struct list_head dbe_list;
11 	const struct exception_table_entry *dbe_start;
12 	const struct exception_table_entry *dbe_end;
13 };
14 
15 typedef uint8_t Elf64_Byte;		/* Type for a 8-bit quantity.  */
16 
17 typedef struct {
18 	Elf64_Addr r_offset;			/* Address of relocation.  */
19 	Elf64_Word r_sym;			/* Symbol index.  */
20 	Elf64_Byte r_ssym;			/* Special symbol.  */
21 	Elf64_Byte r_type3;			/* Third relocation.  */
22 	Elf64_Byte r_type2;			/* Second relocation.  */
23 	Elf64_Byte r_type;			/* First relocation.  */
24 } Elf64_Mips_Rel;
25 
26 typedef struct {
27 	Elf64_Addr r_offset;			/* Address of relocation.  */
28 	Elf64_Word r_sym;			/* Symbol index.  */
29 	Elf64_Byte r_ssym;			/* Special symbol.  */
30 	Elf64_Byte r_type3;			/* Third relocation.  */
31 	Elf64_Byte r_type2;			/* Second relocation.  */
32 	Elf64_Byte r_type;			/* First relocation.  */
33 	Elf64_Sxword r_addend;			/* Addend.  */
34 } Elf64_Mips_Rela;
35 
36 #ifdef CONFIG_32BIT
37 
38 #define Elf_Shdr	Elf32_Shdr
39 #define Elf_Sym		Elf32_Sym
40 #define Elf_Ehdr	Elf32_Ehdr
41 #define Elf_Addr	Elf32_Addr
42 
43 #define Elf_Mips_Rel	Elf32_Rel
44 #define Elf_Mips_Rela	Elf32_Rela
45 
46 #define ELF_MIPS_R_SYM(rel) ELF32_R_SYM(rel.r_info)
47 #define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE(rel.r_info)
48 
49 #endif
50 
51 #ifdef CONFIG_64BIT
52 
53 #define Elf_Shdr	Elf64_Shdr
54 #define Elf_Sym		Elf64_Sym
55 #define Elf_Ehdr	Elf64_Ehdr
56 #define Elf_Addr	Elf64_Addr
57 
58 #define Elf_Mips_Rel	Elf64_Mips_Rel
59 #define Elf_Mips_Rela	Elf64_Mips_Rela
60 
61 #define ELF_MIPS_R_SYM(rel) (rel.r_sym)
62 #define ELF_MIPS_R_TYPE(rel) (rel.r_type)
63 
64 #endif
65 
66 #ifdef CONFIG_MODULES
67 /* Given an address, look for it in the exception tables. */
68 const struct exception_table_entry*search_module_dbetables(unsigned long addr);
69 #else
70 /* Given an address, look for it in the exception tables. */
71 static inline const struct exception_table_entry *
72 search_module_dbetables(unsigned long addr)
73 {
74 	return NULL;
75 }
76 #endif
77 
78 #ifdef CONFIG_CPU_BMIPS
79 #define MODULE_PROC_FAMILY "BMIPS "
80 #elif defined CONFIG_CPU_MIPS32_R1
81 #define MODULE_PROC_FAMILY "MIPS32_R1 "
82 #elif defined CONFIG_CPU_MIPS32_R2
83 #define MODULE_PROC_FAMILY "MIPS32_R2 "
84 #elif defined CONFIG_CPU_MIPS64_R1
85 #define MODULE_PROC_FAMILY "MIPS64_R1 "
86 #elif defined CONFIG_CPU_MIPS64_R2
87 #define MODULE_PROC_FAMILY "MIPS64_R2 "
88 #elif defined CONFIG_CPU_R3000
89 #define MODULE_PROC_FAMILY "R3000 "
90 #elif defined CONFIG_CPU_TX39XX
91 #define MODULE_PROC_FAMILY "TX39XX "
92 #elif defined CONFIG_CPU_VR41XX
93 #define MODULE_PROC_FAMILY "VR41XX "
94 #elif defined CONFIG_CPU_R4300
95 #define MODULE_PROC_FAMILY "R4300 "
96 #elif defined CONFIG_CPU_R4X00
97 #define MODULE_PROC_FAMILY "R4X00 "
98 #elif defined CONFIG_CPU_TX49XX
99 #define MODULE_PROC_FAMILY "TX49XX "
100 #elif defined CONFIG_CPU_R5000
101 #define MODULE_PROC_FAMILY "R5000 "
102 #elif defined CONFIG_CPU_R5432
103 #define MODULE_PROC_FAMILY "R5432 "
104 #elif defined CONFIG_CPU_R5500
105 #define MODULE_PROC_FAMILY "R5500 "
106 #elif defined CONFIG_CPU_R6000
107 #define MODULE_PROC_FAMILY "R6000 "
108 #elif defined CONFIG_CPU_NEVADA
109 #define MODULE_PROC_FAMILY "NEVADA "
110 #elif defined CONFIG_CPU_R8000
111 #define MODULE_PROC_FAMILY "R8000 "
112 #elif defined CONFIG_CPU_R10000
113 #define MODULE_PROC_FAMILY "R10000 "
114 #elif defined CONFIG_CPU_RM7000
115 #define MODULE_PROC_FAMILY "RM7000 "
116 #elif defined CONFIG_CPU_RM9000
117 #define MODULE_PROC_FAMILY "RM9000 "
118 #elif defined CONFIG_CPU_SB1
119 #define MODULE_PROC_FAMILY "SB1 "
120 #elif defined CONFIG_CPU_LOONGSON2
121 #define MODULE_PROC_FAMILY "LOONGSON2 "
122 #elif defined CONFIG_CPU_CAVIUM_OCTEON
123 #define MODULE_PROC_FAMILY "OCTEON "
124 #elif defined CONFIG_CPU_XLR
125 #define MODULE_PROC_FAMILY "XLR "
126 #elif defined CONFIG_CPU_XLP
127 #define MODULE_PROC_FAMILY "XLP "
128 #else
129 #error MODULE_PROC_FAMILY undefined for your processor configuration
130 #endif
131 
132 #ifdef CONFIG_32BIT
133 #define MODULE_KERNEL_TYPE "32BIT "
134 #elif defined CONFIG_64BIT
135 #define MODULE_KERNEL_TYPE "64BIT "
136 #endif
137 
138 #ifdef CONFIG_MIPS_MT_SMTC
139 #define MODULE_KERNEL_SMTC "MT_SMTC "
140 #else
141 #define MODULE_KERNEL_SMTC ""
142 #endif
143 
144 #define MODULE_ARCH_VERMAGIC \
145 	MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
146 
147 #endif /* _ASM_MODULE_H */
148