xref: /openbmc/linux/arch/mips/include/asm/module.h (revision b627b4ed)
1 #ifndef _ASM_MODULE_H
2 #define _ASM_MODULE_H
3 
4 #include <linux/list.h>
5 #include <asm/uaccess.h>
6 
7 struct mod_arch_specific {
8 	/* Data Bus Error exception tables */
9 	struct list_head dbe_list;
10 	const struct exception_table_entry *dbe_start;
11 	const struct exception_table_entry *dbe_end;
12 };
13 
14 typedef uint8_t Elf64_Byte;		/* Type for a 8-bit quantity.  */
15 
16 typedef struct {
17 	Elf64_Addr r_offset;			/* Address of relocation.  */
18 	Elf64_Word r_sym;			/* Symbol index.  */
19 	Elf64_Byte r_ssym;			/* Special symbol.  */
20 	Elf64_Byte r_type3;			/* Third relocation.  */
21 	Elf64_Byte r_type2;			/* Second relocation.  */
22 	Elf64_Byte r_type;			/* First relocation.  */
23 } Elf64_Mips_Rel;
24 
25 typedef struct {
26 	Elf64_Addr r_offset;			/* Address of relocation.  */
27 	Elf64_Word r_sym;			/* Symbol index.  */
28 	Elf64_Byte r_ssym;			/* Special symbol.  */
29 	Elf64_Byte r_type3;			/* Third relocation.  */
30 	Elf64_Byte r_type2;			/* Second relocation.  */
31 	Elf64_Byte r_type;			/* First relocation.  */
32 	Elf64_Sxword r_addend;			/* Addend.  */
33 } Elf64_Mips_Rela;
34 
35 #ifdef CONFIG_32BIT
36 
37 #define Elf_Shdr	Elf32_Shdr
38 #define Elf_Sym		Elf32_Sym
39 #define Elf_Ehdr	Elf32_Ehdr
40 #define Elf_Addr	Elf32_Addr
41 
42 #define Elf_Mips_Rel	Elf32_Rel
43 #define Elf_Mips_Rela	Elf32_Rela
44 
45 #define ELF_MIPS_R_SYM(rel) ELF32_R_SYM(rel.r_info)
46 #define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE(rel.r_info)
47 
48 #endif
49 
50 #ifdef CONFIG_64BIT
51 
52 #define Elf_Shdr	Elf64_Shdr
53 #define Elf_Sym		Elf64_Sym
54 #define Elf_Ehdr	Elf64_Ehdr
55 #define Elf_Addr	Elf64_Addr
56 
57 #define Elf_Mips_Rel	Elf64_Mips_Rel
58 #define Elf_Mips_Rela	Elf64_Mips_Rela
59 
60 #define ELF_MIPS_R_SYM(rel) (rel.r_sym)
61 #define ELF_MIPS_R_TYPE(rel) (rel.r_type)
62 
63 #endif
64 
65 #ifdef CONFIG_MODULES
66 /* Given an address, look for it in the exception tables. */
67 const struct exception_table_entry*search_module_dbetables(unsigned long addr);
68 #else
69 /* Given an address, look for it in the exception tables. */
70 static inline const struct exception_table_entry *
71 search_module_dbetables(unsigned long addr)
72 {
73 	return NULL;
74 }
75 #endif
76 
77 #ifdef CONFIG_CPU_MIPS32_R1
78 #define MODULE_PROC_FAMILY "MIPS32_R1 "
79 #elif defined CONFIG_CPU_MIPS32_R2
80 #define MODULE_PROC_FAMILY "MIPS32_R2 "
81 #elif defined CONFIG_CPU_MIPS64_R1
82 #define MODULE_PROC_FAMILY "MIPS64_R1 "
83 #elif defined CONFIG_CPU_MIPS64_R2
84 #define MODULE_PROC_FAMILY "MIPS64_R2 "
85 #elif defined CONFIG_CPU_R3000
86 #define MODULE_PROC_FAMILY "R3000 "
87 #elif defined CONFIG_CPU_TX39XX
88 #define MODULE_PROC_FAMILY "TX39XX "
89 #elif defined CONFIG_CPU_VR41XX
90 #define MODULE_PROC_FAMILY "VR41XX "
91 #elif defined CONFIG_CPU_R4300
92 #define MODULE_PROC_FAMILY "R4300 "
93 #elif defined CONFIG_CPU_R4X00
94 #define MODULE_PROC_FAMILY "R4X00 "
95 #elif defined CONFIG_CPU_TX49XX
96 #define MODULE_PROC_FAMILY "TX49XX "
97 #elif defined CONFIG_CPU_R5000
98 #define MODULE_PROC_FAMILY "R5000 "
99 #elif defined CONFIG_CPU_R5432
100 #define MODULE_PROC_FAMILY "R5432 "
101 #elif defined CONFIG_CPU_R5500
102 #define MODULE_PROC_FAMILY "R5500 "
103 #elif defined CONFIG_CPU_R6000
104 #define MODULE_PROC_FAMILY "R6000 "
105 #elif defined CONFIG_CPU_NEVADA
106 #define MODULE_PROC_FAMILY "NEVADA "
107 #elif defined CONFIG_CPU_R8000
108 #define MODULE_PROC_FAMILY "R8000 "
109 #elif defined CONFIG_CPU_R10000
110 #define MODULE_PROC_FAMILY "R10000 "
111 #elif defined CONFIG_CPU_RM7000
112 #define MODULE_PROC_FAMILY "RM7000 "
113 #elif defined CONFIG_CPU_RM9000
114 #define MODULE_PROC_FAMILY "RM9000 "
115 #elif defined CONFIG_CPU_SB1
116 #define MODULE_PROC_FAMILY "SB1 "
117 #elif defined CONFIG_CPU_LOONGSON2
118 #define MODULE_PROC_FAMILY "LOONGSON2 "
119 #elif defined CONFIG_CPU_CAVIUM_OCTEON
120 #define MODULE_PROC_FAMILY "OCTEON "
121 #else
122 #error MODULE_PROC_FAMILY undefined for your processor configuration
123 #endif
124 
125 #ifdef CONFIG_32BIT
126 #define MODULE_KERNEL_TYPE "32BIT "
127 #elif defined CONFIG_64BIT
128 #define MODULE_KERNEL_TYPE "64BIT "
129 #endif
130 
131 #ifdef CONFIG_MIPS_MT_SMTC
132 #define MODULE_KERNEL_SMTC "MT_SMTC "
133 #else
134 #define MODULE_KERNEL_SMTC ""
135 #endif
136 
137 #define MODULE_ARCH_VERMAGIC \
138 	MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
139 
140 #endif /* _ASM_MODULE_H */
141