Commit | Line | Data |
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e30ec452 TS |
1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
70342287 | 6 | * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer |
e30ec452 TS |
7 | * Copyright (C) 2005 Maciej W. Rozycki |
8 | * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) | |
abc597fe | 9 | * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved. |
e30ec452 TS |
10 | */ |
11 | ||
12 | #include <linux/types.h> | |
13 | ||
22b0763a | 14 | #ifdef CONFIG_EXPORT_UASM |
baab01b2 | 15 | #include <linux/export.h> |
22b0763a DD |
16 | #define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym) |
17 | #else | |
22b0763a DD |
18 | #define UASM_EXPORT_SYMBOL(sym) |
19 | #endif | |
20 | ||
abc597fe | 21 | #define _UASM_ISA_CLASSIC 0 |
a6a4834c | 22 | #define _UASM_ISA_MICROMIPS 1 |
abc597fe SH |
23 | |
24 | #ifndef UASM_ISA | |
cf6d9058 SH |
25 | #ifdef CONFIG_CPU_MICROMIPS |
26 | #define UASM_ISA _UASM_ISA_MICROMIPS | |
27 | #else | |
abc597fe SH |
28 | #define UASM_ISA _UASM_ISA_CLASSIC |
29 | #endif | |
cf6d9058 | 30 | #endif |
abc597fe SH |
31 | |
32 | #if (UASM_ISA == _UASM_ISA_CLASSIC) | |
cf6d9058 SH |
33 | #ifdef CONFIG_CPU_MICROMIPS |
34 | #define ISAOPC(op) CL_uasm_i##op | |
35 | #define ISAFUNC(x) CL_##x | |
36 | #else | |
abc597fe SH |
37 | #define ISAOPC(op) uasm_i##op |
38 | #define ISAFUNC(x) x | |
cf6d9058 | 39 | #endif |
a6a4834c | 40 | #elif (UASM_ISA == _UASM_ISA_MICROMIPS) |
cf6d9058 SH |
41 | #ifdef CONFIG_CPU_MICROMIPS |
42 | #define ISAOPC(op) uasm_i##op | |
43 | #define ISAFUNC(x) x | |
44 | #else | |
a6a4834c SH |
45 | #define ISAOPC(op) MM_uasm_i##op |
46 | #define ISAFUNC(x) MM_##x | |
cf6d9058 | 47 | #endif |
abc597fe SH |
48 | #else |
49 | #error Unsupported micro-assembler ISA!!! | |
50 | #endif | |
51 | ||
e30ec452 | 52 | #define Ip_u1u2u3(op) \ |
078a55fc | 53 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c) |
e30ec452 TS |
54 | |
55 | #define Ip_u2u1u3(op) \ | |
078a55fc | 56 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c) |
e30ec452 | 57 | |
beef8e02 MC |
58 | #define Ip_u3u2u1(op) \ |
59 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c) | |
60 | ||
e30ec452 | 61 | #define Ip_u3u1u2(op) \ |
078a55fc | 62 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c) |
e30ec452 TS |
63 | |
64 | #define Ip_u1u2s3(op) \ | |
078a55fc | 65 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c) |
e30ec452 TS |
66 | |
67 | #define Ip_u2s3u1(op) \ | |
078a55fc | 68 | void ISAOPC(op)(u32 **buf, unsigned int a, signed int b, unsigned int c) |
e30ec452 | 69 | |
9d987369 MC |
70 | #define Ip_s3s1s2(op) \ |
71 | void ISAOPC(op)(u32 **buf, int a, int b, int c) | |
72 | ||
e30ec452 | 73 | #define Ip_u2u1s3(op) \ |
078a55fc | 74 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c) |
e30ec452 | 75 | |
92078e06 | 76 | #define Ip_u2u1msbu3(op) \ |
078a55fc | 77 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \ |
92078e06 DD |
78 | unsigned int d) |
79 | ||
e30ec452 | 80 | #define Ip_u1u2(op) \ |
078a55fc | 81 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b) |
e30ec452 | 82 | |
49e9529b PB |
83 | #define Ip_u2u1(op) \ |
84 | void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b) | |
85 | ||
e30ec452 | 86 | #define Ip_u1s2(op) \ |
078a55fc | 87 | void ISAOPC(op)(u32 **buf, unsigned int a, signed int b) |
e30ec452 | 88 | |
078a55fc | 89 | #define Ip_u1(op) void ISAOPC(op)(u32 **buf, unsigned int a) |
e30ec452 | 90 | |
078a55fc | 91 | #define Ip_0(op) void ISAOPC(op)(u32 **buf) |
e30ec452 TS |
92 | |
93 | Ip_u2u1s3(_addiu); | |
94 | Ip_u3u1u2(_addu); | |
e30ec452 | 95 | Ip_u3u1u2(_and); |
71a1c776 SH |
96 | Ip_u2u1u3(_andi); |
97 | Ip_u1u2s3(_bbit0); | |
98 | Ip_u1u2s3(_bbit1); | |
e30ec452 TS |
99 | Ip_u1u2s3(_beq); |
100 | Ip_u1u2s3(_beql); | |
101 | Ip_u1s2(_bgez); | |
102 | Ip_u1s2(_bgezl); | |
103 | Ip_u1s2(_bltz); | |
104 | Ip_u1s2(_bltzl); | |
105 | Ip_u1u2s3(_bne); | |
fb2a27e7 | 106 | Ip_u2s3u1(_cache); |
c29732a1 JH |
107 | Ip_u1u2(_cfc1); |
108 | Ip_u1u2(_ctc1); | |
e30ec452 TS |
109 | Ip_u2u1s3(_daddiu); |
110 | Ip_u3u1u2(_daddu); | |
71a1c776 SH |
111 | Ip_u2u1msbu3(_dins); |
112 | Ip_u2u1msbu3(_dinsm); | |
4c12a854 | 113 | Ip_u1u2(_divu); |
71a1c776 SH |
114 | Ip_u1u2u3(_dmfc0); |
115 | Ip_u1u2u3(_dmtc0); | |
116 | Ip_u2u1u3(_drotr); | |
117 | Ip_u2u1u3(_drotr32); | |
e30ec452 TS |
118 | Ip_u2u1u3(_dsll); |
119 | Ip_u2u1u3(_dsll32); | |
120 | Ip_u2u1u3(_dsra); | |
121 | Ip_u2u1u3(_dsrl); | |
122 | Ip_u2u1u3(_dsrl32); | |
123 | Ip_u3u1u2(_dsubu); | |
124 | Ip_0(_eret); | |
e6de1a09 SH |
125 | Ip_u2u1msbu3(_ext); |
126 | Ip_u2u1msbu3(_ins); | |
e30ec452 TS |
127 | Ip_u1(_j); |
128 | Ip_u1(_jal); | |
49e9529b | 129 | Ip_u2u1(_jalr); |
e30ec452 | 130 | Ip_u1(_jr); |
82488818 | 131 | Ip_u2s3u1(_lb); |
e30ec452 | 132 | Ip_u2s3u1(_ld); |
71a1c776 | 133 | Ip_u3u1u2(_ldx); |
d6b3314b | 134 | Ip_u2s3u1(_lh); |
e30ec452 TS |
135 | Ip_u2s3u1(_ll); |
136 | Ip_u2s3u1(_lld); | |
137 | Ip_u1s2(_lui); | |
138 | Ip_u2s3u1(_lw); | |
71a1c776 | 139 | Ip_u3u1u2(_lwx); |
e30ec452 | 140 | Ip_u1u2u3(_mfc0); |
e2965cd0 | 141 | Ip_u1u2u3(_mfhc0); |
f3ec7a23 | 142 | Ip_u1(_mfhi); |
16d21a81 | 143 | Ip_u1(_mflo); |
e30ec452 | 144 | Ip_u1u2u3(_mtc0); |
e2965cd0 | 145 | Ip_u1u2u3(_mthc0); |
a8e897ad | 146 | Ip_u3u1u2(_mul); |
5808184f | 147 | Ip_u3u1u2(_or); |
71a1c776 | 148 | Ip_u2u1u3(_ori); |
fb2a27e7 | 149 | Ip_u2s3u1(_pref); |
e30ec452 | 150 | Ip_0(_rfe); |
71a1c776 | 151 | Ip_u2u1u3(_rotr); |
e30ec452 TS |
152 | Ip_u2s3u1(_sc); |
153 | Ip_u2s3u1(_scd); | |
154 | Ip_u2s3u1(_sd); | |
155 | Ip_u2u1u3(_sll); | |
bef581ba | 156 | Ip_u3u2u1(_sllv); |
7682f9e8 | 157 | Ip_s3s1s2(_slt); |
390363ed | 158 | Ip_u2u1s3(_sltiu); |
e8ef868b | 159 | Ip_u3u1u2(_sltu); |
e30ec452 TS |
160 | Ip_u2u1u3(_sra); |
161 | Ip_u2u1u3(_srl); | |
f31318fd | 162 | Ip_u3u2u1(_srlv); |
e30ec452 TS |
163 | Ip_u3u1u2(_subu); |
164 | Ip_u2s3u1(_sw); | |
729ff561 | 165 | Ip_u1(_sync); |
71a1c776 | 166 | Ip_u1(_syscall); |
e30ec452 | 167 | Ip_0(_tlbp); |
32546f38 | 168 | Ip_0(_tlbr); |
e30ec452 TS |
169 | Ip_0(_tlbwi); |
170 | Ip_0(_tlbwr); | |
53ed1389 | 171 | Ip_u1(_wait); |
ab9e4fa0 | 172 | Ip_u2u1(_wsbh); |
e30ec452 TS |
173 | Ip_u3u1u2(_xor); |
174 | Ip_u2u1u3(_xori); | |
d674dd14 | 175 | Ip_u2u1(_yield); |
380cd582 HC |
176 | Ip_u1u2(_ldpte); |
177 | Ip_u2u1u3(_lddir); | |
e30ec452 TS |
178 | |
179 | /* Handle labels. */ | |
180 | struct uasm_label { | |
181 | u32 *addr; | |
182 | int lab; | |
183 | }; | |
184 | ||
078a55fc | 185 | void ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr, |
abc597fe | 186 | int lid); |
e30ec452 | 187 | #ifdef CONFIG_64BIT |
abc597fe | 188 | int ISAFUNC(uasm_in_compat_space_p)(long addr); |
e30ec452 | 189 | #endif |
abc597fe SH |
190 | int ISAFUNC(uasm_rel_hi)(long val); |
191 | int ISAFUNC(uasm_rel_lo)(long val); | |
192 | void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr); | |
193 | void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr); | |
e30ec452 TS |
194 | |
195 | #define UASM_L_LA(lb) \ | |
078a55fc | 196 | static inline void ISAFUNC(uasm_l##lb)(struct uasm_label **lab, u32 *addr) \ |
e30ec452 | 197 | { \ |
cf6d9058 | 198 | ISAFUNC(uasm_build_label)(lab, addr, label##lb); \ |
e30ec452 TS |
199 | } |
200 | ||
201 | /* convenience macros for instructions */ | |
202 | #ifdef CONFIG_64BIT | |
71a1c776 SH |
203 | # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val) |
204 | # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd) | |
205 | # define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) | |
e30ec452 | 206 | # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off) |
71a1c776 SH |
207 | # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd) |
208 | # define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd) | |
209 | # define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd) | |
210 | # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh) | |
211 | # define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) | |
e30ec452 TS |
212 | # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh) |
213 | # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh) | |
214 | # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh) | |
f0daaaf5 | 215 | # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh) |
e30ec452 | 216 | # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd) |
71a1c776 | 217 | # define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off) |
e30ec452 | 218 | #else |
71a1c776 SH |
219 | # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val) |
220 | # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd) | |
221 | # define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) | |
e30ec452 | 222 | # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off) |
71a1c776 SH |
223 | # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd) |
224 | # define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd) | |
225 | # define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd) | |
226 | # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh) | |
227 | # define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off) | |
e30ec452 TS |
228 | # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh) |
229 | # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh) | |
230 | # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) | |
f0daaaf5 | 231 | # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) |
e30ec452 | 232 | # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd) |
71a1c776 | 233 | # define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off) |
e30ec452 TS |
234 | #endif |
235 | ||
236 | #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off) | |
237 | #define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off) | |
238 | #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off) | |
239 | #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off) | |
240 | #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off) | |
71a1c776 | 241 | #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) |
e30ec452 TS |
242 | #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b) |
243 | #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0) | |
244 | #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) | |
26b9e547 | 245 | |
de6d5b55 DD |
246 | static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1, |
247 | unsigned int a2, unsigned int a3) | |
248 | { | |
249 | if (a3 < 32) | |
abc597fe | 250 | ISAOPC(_drotr)(p, a1, a2, a3); |
de6d5b55 | 251 | else |
abc597fe | 252 | ISAOPC(_drotr32)(p, a1, a2, a3 - 32); |
de6d5b55 DD |
253 | } |
254 | ||
26b9e547 DD |
255 | static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, |
256 | unsigned int a2, unsigned int a3) | |
257 | { | |
258 | if (a3 < 32) | |
abc597fe | 259 | ISAOPC(_dsll)(p, a1, a2, a3); |
26b9e547 | 260 | else |
abc597fe | 261 | ISAOPC(_dsll32)(p, a1, a2, a3 - 32); |
26b9e547 DD |
262 | } |
263 | ||
71a1c776 SH |
264 | static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, |
265 | unsigned int a2, unsigned int a3) | |
266 | { | |
267 | if (a3 < 32) | |
abc597fe | 268 | ISAOPC(_dsrl)(p, a1, a2, a3); |
71a1c776 | 269 | else |
abc597fe | 270 | ISAOPC(_dsrl32)(p, a1, a2, a3 - 32); |
71a1c776 SH |
271 | } |
272 | ||
e30ec452 TS |
273 | /* Handle relocations. */ |
274 | struct uasm_reloc { | |
275 | u32 *addr; | |
276 | unsigned int type; | |
277 | int lab; | |
278 | }; | |
279 | ||
280 | /* This is zero so we can use zeroed label arrays. */ | |
281 | #define UASM_LABEL_INVALID 0 | |
282 | ||
234fcd14 RB |
283 | void uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid); |
284 | void uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab); | |
285 | void uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off); | |
286 | void uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off); | |
287 | void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab, | |
288 | u32 *first, u32 *end, u32 *target); | |
289 | int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr); | |
e30ec452 TS |
290 | |
291 | /* Convenience functions for labeled branches. */ | |
234fcd14 | 292 | void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid); |
71a1c776 SH |
293 | void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, |
294 | unsigned int bit, int lid); | |
295 | void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, | |
296 | unsigned int bit, int lid); | |
8dee5901 PB |
297 | void uasm_il_beq(u32 **p, struct uasm_reloc **r, unsigned int r1, |
298 | unsigned int r2, int lid); | |
234fcd14 RB |
299 | void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); |
300 | void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); | |
71a1c776 SH |
301 | void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); |
302 | void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); | |
303 | void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); | |
fb2a27e7 TS |
304 | void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1, |
305 | unsigned int reg2, int lid); | |
234fcd14 | 306 | void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); |