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
6 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer
7 * Copyright (C) 2005 Maciej W. Rozycki
8 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
9 * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved.
12 #include <linux/types.h>
14 #ifdef CONFIG_EXPORT_UASM
15 #include <linux/export.h>
16 #define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym)
18 #define UASM_EXPORT_SYMBOL(sym)
21 #define _UASM_ISA_CLASSIC 0
22 #define _UASM_ISA_MICROMIPS 1
25 #ifdef CONFIG_CPU_MICROMIPS
26 #define UASM_ISA _UASM_ISA_MICROMIPS
28 #define UASM_ISA _UASM_ISA_CLASSIC
32 #if (UASM_ISA == _UASM_ISA_CLASSIC)
33 #ifdef CONFIG_CPU_MICROMIPS
34 #define ISAOPC(op) CL_uasm_i##op
35 #define ISAFUNC(x) CL_##x
37 #define ISAOPC(op) uasm_i##op
40 #elif (UASM_ISA == _UASM_ISA_MICROMIPS)
41 #ifdef CONFIG_CPU_MICROMIPS
42 #define ISAOPC(op) uasm_i##op
45 #define ISAOPC(op) MM_uasm_i##op
46 #define ISAFUNC(x) MM_##x
49 #error Unsupported micro-assembler ISA!!!
52 #define Ip_u1u2u3(op) \
53 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
55 #define Ip_u2u1u3(op) \
56 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
58 #define Ip_u3u2u1(op) \
59 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
61 #define Ip_u3u1u2(op) \
62 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
64 #define Ip_u1u2s3(op) \
65 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
67 #define Ip_u2s3u1(op) \
68 void ISAOPC(op)(u32 **buf, unsigned int a, signed int b, unsigned int c)
70 #define Ip_s3s1s2(op) \
71 void ISAOPC(op)(u32 **buf, int a, int b, int c)
73 #define Ip_u2u1s3(op) \
74 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
76 #define Ip_u2u1msbu3(op) \
77 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \
81 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
84 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
87 void ISAOPC(op)(u32 **buf, unsigned int a, signed int b)
89 #define Ip_u1(op) void ISAOPC(op)(u32 **buf, unsigned int a)
91 #define Ip_0(op) void ISAOPC(op)(u32 **buf)
110 Ip_u2u1msbu3(_dinsm
);
183 void ISAFUNC(uasm_build_label
)(struct uasm_label
**lab
, u32
*addr
,
186 int ISAFUNC(uasm_in_compat_space_p
)(long addr
);
188 int ISAFUNC(uasm_rel_hi
)(long val
);
189 int ISAFUNC(uasm_rel_lo
)(long val
);
190 void ISAFUNC(UASM_i_LA_mostly
)(u32
**buf
, unsigned int rs
, long addr
);
191 void ISAFUNC(UASM_i_LA
)(u32
**buf
, unsigned int rs
, long addr
);
193 #define UASM_L_LA(lb) \
194 static inline void ISAFUNC(uasm_l##lb)(struct uasm_label **lab, u32 *addr) \
196 ISAFUNC(uasm_build_label)(lab, addr, label##lb); \
199 /* convenience macros for instructions */
201 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val)
202 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd)
203 # define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off)
204 # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off)
205 # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd)
206 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd)
207 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd)
208 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh)
209 # define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off)
210 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh)
211 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh)
212 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh)
213 # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh)
214 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd)
215 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off)
217 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val)
218 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd)
219 # define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off)
220 # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off)
221 # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd)
222 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd)
223 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd)
224 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh)
225 # define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off)
226 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh)
227 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh)
228 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
229 # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
230 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd)
231 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off)
234 #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off)
235 #define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off)
236 #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off)
237 #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off)
238 #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off)
239 #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3)
240 #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b)
241 #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0)
242 #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1)
244 static inline void uasm_i_drotr_safe(u32
**p
, unsigned int a1
,
245 unsigned int a2
, unsigned int a3
)
248 ISAOPC(_drotr
)(p
, a1
, a2
, a3
);
250 ISAOPC(_drotr32
)(p
, a1
, a2
, a3
- 32);
253 static inline void uasm_i_dsll_safe(u32
**p
, unsigned int a1
,
254 unsigned int a2
, unsigned int a3
)
257 ISAOPC(_dsll
)(p
, a1
, a2
, a3
);
259 ISAOPC(_dsll32
)(p
, a1
, a2
, a3
- 32);
262 static inline void uasm_i_dsrl_safe(u32
**p
, unsigned int a1
,
263 unsigned int a2
, unsigned int a3
)
266 ISAOPC(_dsrl
)(p
, a1
, a2
, a3
);
268 ISAOPC(_dsrl32
)(p
, a1
, a2
, a3
- 32);
271 /* Handle relocations. */
278 /* This is zero so we can use zeroed label arrays. */
279 #define UASM_LABEL_INVALID 0
281 void uasm_r_mips_pc16(struct uasm_reloc
**rel
, u32
*addr
, int lid
);
282 void uasm_resolve_relocs(struct uasm_reloc
*rel
, struct uasm_label
*lab
);
283 void uasm_move_relocs(struct uasm_reloc
*rel
, u32
*first
, u32
*end
, long off
);
284 void uasm_move_labels(struct uasm_label
*lab
, u32
*first
, u32
*end
, long off
);
285 void uasm_copy_handler(struct uasm_reloc
*rel
, struct uasm_label
*lab
,
286 u32
*first
, u32
*end
, u32
*target
);
287 int uasm_insn_has_bdelay(struct uasm_reloc
*rel
, u32
*addr
);
289 /* Convenience functions for labeled branches. */
290 void uasm_il_b(u32
**p
, struct uasm_reloc
**r
, int lid
);
291 void uasm_il_bbit0(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
,
292 unsigned int bit
, int lid
);
293 void uasm_il_bbit1(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
,
294 unsigned int bit
, int lid
);
295 void uasm_il_beq(u32
**p
, struct uasm_reloc
**r
, unsigned int r1
,
296 unsigned int r2
, int lid
);
297 void uasm_il_beqz(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
298 void uasm_il_beqzl(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
299 void uasm_il_bgezl(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
300 void uasm_il_bgez(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
301 void uasm_il_bltz(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
302 void uasm_il_bne(u32
**p
, struct uasm_reloc
**r
, unsigned int reg1
,
303 unsigned int reg2
, int lid
);
304 void uasm_il_bnez(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
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