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Diffstat (limited to 'include/asm-m32r/flat.h')
-rw-r--r-- | include/asm-m32r/flat.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/include/asm-m32r/flat.h b/include/asm-m32r/flat.h deleted file mode 100644 index d851cf0c4aa5..000000000000 --- a/include/asm-m32r/flat.h +++ /dev/null | |||
@@ -1,146 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-m32r/flat.h | ||
3 | * | ||
4 | * uClinux flat-format executables | ||
5 | * | ||
6 | * Copyright (C) 2004 Kazuhiro Inaoka | ||
7 | * | ||
8 | * This file is subject to the terms and conditions of the GNU General Public | ||
9 | * License. See the file "COPYING" in the main directory of this archive for | ||
10 | * more details. | ||
11 | */ | ||
12 | #ifndef __ASM_M32R_FLAT_H | ||
13 | #define __ASM_M32R_FLAT_H | ||
14 | |||
15 | #define flat_stack_align(sp) (*sp += (*sp & 3 ? (4 - (*sp & 3)): 0)) | ||
16 | #define flat_argvp_envp_on_stack() 0 | ||
17 | #define flat_old_ram_flag(flags) (flags) | ||
18 | #define flat_set_persistent(relval, p) 0 | ||
19 | #define flat_reloc_valid(reloc, size) \ | ||
20 | (((reloc) - textlen_for_m32r_lo16_data) <= (size)) | ||
21 | #define flat_get_addr_from_rp(rp, relval, flags, persistent) \ | ||
22 | m32r_flat_get_addr_from_rp(rp, relval, (text_len) ) | ||
23 | |||
24 | #define flat_put_addr_at_rp(rp, addr, relval) \ | ||
25 | m32r_flat_put_addr_at_rp(rp, addr, relval) | ||
26 | |||
27 | /* Convert a relocation entry into an address. */ | ||
28 | static inline unsigned long | ||
29 | flat_get_relocate_addr (unsigned long relval) | ||
30 | { | ||
31 | return relval & 0x00ffffff; /* Mask out top 8-bits */ | ||
32 | } | ||
33 | |||
34 | #define flat_m32r_get_reloc_type(relval) ((relval) >> 24) | ||
35 | |||
36 | #define M32R_SETH_OPCODE 0xd0c00000 /* SETH instruction code */ | ||
37 | |||
38 | #define FLAT_M32R_32 0x00 /* 32bits reloc */ | ||
39 | #define FLAT_M32R_24 0x01 /* unsigned 24bits reloc */ | ||
40 | #define FLAT_M32R_16 0x02 /* 16bits reloc */ | ||
41 | #define FLAT_M32R_LO16 0x03 /* signed low 16bits reloc (low()) */ | ||
42 | #define FLAT_M32R_LO16_DATA 0x04 /* signed low 16bits reloc (low()) | ||
43 | for a symbol in .data section */ | ||
44 | /* High 16bits of an address used | ||
45 | when the lower 16bbits are treated | ||
46 | as unsigned. | ||
47 | To create SETH instruction only. | ||
48 | 0x1X: X means a number of register. | ||
49 | 0x10 - 0x3F are reserved. */ | ||
50 | #define FLAT_M32R_HI16_ULO 0x10 /* reloc for SETH Rn,#high(imm16) */ | ||
51 | /* High 16bits of an address used | ||
52 | when the lower 16bbits are treated | ||
53 | as signed. | ||
54 | To create SETH instruction only. | ||
55 | 0x2X: X means a number of register. | ||
56 | 0x20 - 0x4F are reserved. */ | ||
57 | #define FLAT_M32R_HI16_SLO 0x20 /* reloc for SETH Rn,#shigh(imm16) */ | ||
58 | |||
59 | static unsigned long textlen_for_m32r_lo16_data = 0; | ||
60 | |||
61 | static inline unsigned long m32r_flat_get_addr_from_rp (unsigned long *rp, | ||
62 | unsigned long relval, | ||
63 | unsigned long textlen) | ||
64 | { | ||
65 | unsigned int reloc = flat_m32r_get_reloc_type (relval); | ||
66 | textlen_for_m32r_lo16_data = 0; | ||
67 | if (reloc & 0xf0) { | ||
68 | unsigned long addr = htonl(*rp); | ||
69 | switch (reloc & 0xf0) | ||
70 | { | ||
71 | case FLAT_M32R_HI16_ULO: | ||
72 | case FLAT_M32R_HI16_SLO: | ||
73 | if (addr == 0) { | ||
74 | /* put "seth Rn,#0x0" instead of 0 (addr). */ | ||
75 | *rp = (M32R_SETH_OPCODE | ((reloc & 0x0f)<<24)); | ||
76 | } | ||
77 | return addr; | ||
78 | default: | ||
79 | break; | ||
80 | } | ||
81 | } else { | ||
82 | switch (reloc) | ||
83 | { | ||
84 | case FLAT_M32R_LO16: | ||
85 | return htonl(*rp) & 0xFFFF; | ||
86 | case FLAT_M32R_LO16_DATA: | ||
87 | /* FIXME: The return value will decrease by textlen | ||
88 | at m32r_flat_put_addr_at_rp () */ | ||
89 | textlen_for_m32r_lo16_data = textlen; | ||
90 | return (htonl(*rp) & 0xFFFF) + textlen; | ||
91 | case FLAT_M32R_16: | ||
92 | return htons(*(unsigned short *)rp) & 0xFFFF; | ||
93 | case FLAT_M32R_24: | ||
94 | return htonl(*rp) & 0xFFFFFF; | ||
95 | case FLAT_M32R_32: | ||
96 | return htonl(*rp); | ||
97 | default: | ||
98 | break; | ||
99 | } | ||
100 | } | ||
101 | return ~0; /* bogus value */ | ||
102 | } | ||
103 | |||
104 | static inline void m32r_flat_put_addr_at_rp (unsigned long *rp, | ||
105 | unsigned long addr, | ||
106 | unsigned long relval) | ||
107 | { | ||
108 | unsigned int reloc = flat_m32r_get_reloc_type (relval); | ||
109 | if (reloc & 0xf0) { | ||
110 | unsigned long Rn = reloc & 0x0f; /* get a number of register */ | ||
111 | Rn <<= 24; /* 0x0R000000 */ | ||
112 | reloc &= 0xf0; | ||
113 | switch (reloc) | ||
114 | { | ||
115 | case FLAT_M32R_HI16_ULO: /* To create SETH Rn,#high(imm16) */ | ||
116 | *rp = (M32R_SETH_OPCODE | Rn | ||
117 | | ((addr >> 16) & 0xFFFF)); | ||
118 | break; | ||
119 | case FLAT_M32R_HI16_SLO: /* To create SETH Rn,#shigh(imm16) */ | ||
120 | *rp = (M32R_SETH_OPCODE | Rn | ||
121 | | (((addr >> 16) + ((addr & 0x8000) ? 1 : 0)) | ||
122 | & 0xFFFF)); | ||
123 | break; | ||
124 | } | ||
125 | } else { | ||
126 | switch (reloc) { | ||
127 | case FLAT_M32R_LO16_DATA: | ||
128 | addr -= textlen_for_m32r_lo16_data; | ||
129 | textlen_for_m32r_lo16_data = 0; | ||
130 | case FLAT_M32R_LO16: | ||
131 | *rp = (htonl(*rp) & 0xFFFF0000) | (addr & 0xFFFF); | ||
132 | break; | ||
133 | case FLAT_M32R_16: | ||
134 | *(unsigned short *)rp = addr & 0xFFFF; | ||
135 | break; | ||
136 | case FLAT_M32R_24: | ||
137 | *rp = (htonl(*rp) & 0xFF000000) | (addr & 0xFFFFFF); | ||
138 | break; | ||
139 | case FLAT_M32R_32: | ||
140 | *rp = addr; | ||
141 | break; | ||
142 | } | ||
143 | } | ||
144 | } | ||
145 | |||
146 | #endif /* __ASM_M32R_FLAT_H */ | ||