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>
17 #define __uasminitdata
18 #define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym)
20 #define __uasminit __cpuinit
21 #define __uasminitdata __cpuinitdata
22 #define UASM_EXPORT_SYMBOL(sym)
25 #define _UASM_ISA_CLASSIC 0
26 #define _UASM_ISA_MICROMIPS 1
29 #ifdef CONFIG_CPU_MICROMIPS
30 #define UASM_ISA _UASM_ISA_MICROMIPS
32 #define UASM_ISA _UASM_ISA_CLASSIC
36 #if (UASM_ISA == _UASM_ISA_CLASSIC)
37 #ifdef CONFIG_CPU_MICROMIPS
38 #define ISAOPC(op) CL_uasm_i##op
39 #define ISAFUNC(x) CL_##x
41 #define ISAOPC(op) uasm_i##op
44 #elif (UASM_ISA == _UASM_ISA_MICROMIPS)
45 #ifdef CONFIG_CPU_MICROMIPS
46 #define ISAOPC(op) uasm_i##op
49 #define ISAOPC(op) MM_uasm_i##op
50 #define ISAFUNC(x) MM_##x
53 #error Unsupported micro-assembler ISA!!!
56 #define Ip_u1u2u3(op) \
58 ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
60 #define Ip_u2u1u3(op) \
62 ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
64 #define Ip_u3u1u2(op) \
66 ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
68 #define Ip_u1u2s3(op) \
70 ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
72 #define Ip_u2s3u1(op) \
74 ISAOPC(op)(u32 **buf, unsigned int a, signed int b, unsigned int c)
76 #define Ip_u2u1s3(op) \
78 ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
80 #define Ip_u2u1msbu3(op) \
82 ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \
86 void __uasminit ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
89 void __uasminit ISAOPC(op)(u32 **buf, unsigned int a, signed int b)
91 #define Ip_u1(op) void __uasminit ISAOPC(op)(u32 **buf, unsigned int a)
93 #define Ip_0(op) void __uasminit ISAOPC(op)(u32 **buf)
112 Ip_u2u1msbu3(_dinsm);
166 void __uasminit ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr,
169 int ISAFUNC(uasm_in_compat_space_p)(long addr);
171 int ISAFUNC(uasm_rel_hi)(long val);
172 int ISAFUNC(uasm_rel_lo)(long val);
173 void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr);
174 void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr);
176 #define UASM_L_LA(lb) \
177 static inline void __uasminit ISAFUNC(uasm_l##lb)(struct uasm_label **lab, u32 *addr) \
179 ISAFUNC(uasm_build_label)(lab, addr, label##lb); \
182 /* convenience macros for instructions */
184 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val)
185 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd)
186 # define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off)
187 # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off)
188 # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd)
189 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd)
190 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd)
191 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh)
192 # define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off)
193 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh)
194 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh)
195 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh)
196 # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh)
197 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd)
198 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off)
200 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val)
201 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd)
202 # define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off)
203 # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off)
204 # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd)
205 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd)
206 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd)
207 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh)
208 # define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off)
209 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh)
210 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh)
211 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
212 # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
213 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd)
214 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off)
217 #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off)
218 #define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off)
219 #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off)
220 #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off)
221 #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off)
222 #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3)
223 #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b)
224 #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0)
225 #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1)
227 static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1,
228 unsigned int a2, unsigned int a3)
231 ISAOPC(_drotr)(p, a1, a2, a3);
233 ISAOPC(_drotr32)(p, a1, a2, a3 - 32);
236 static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1,
237 unsigned int a2, unsigned int a3)
240 ISAOPC(_dsll)(p, a1, a2, a3);
242 ISAOPC(_dsll32)(p, a1, a2, a3 - 32);
245 static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1,
246 unsigned int a2, unsigned int a3)
249 ISAOPC(_dsrl)(p, a1, a2, a3);
251 ISAOPC(_dsrl32)(p, a1, a2, a3 - 32);
254 /* Handle relocations. */
261 /* This is zero so we can use zeroed label arrays. */
262 #define UASM_LABEL_INVALID 0
264 void uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid);
265 void uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab);
266 void uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off);
267 void uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off);
268 void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab,
269 u32 *first, u32 *end, u32 *target);
270 int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr);
272 /* Convenience functions for labeled branches. */
273 void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid);
274 void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg,
275 unsigned int bit, int lid);
276 void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg,
277 unsigned int bit, int lid);
278 void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
279 void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
280 void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
281 void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
282 void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
283 void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1,
284 unsigned int reg2, int lid);
285 void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);