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)
11 #include <linux/types.h>
13 #ifdef CONFIG_EXPORT_UASM
14 #include <linux/module.h>
16 #define __uasminitdata
17 #define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym)
19 #define __uasminit __cpuinit
20 #define __uasminitdata __cpuinitdata
21 #define UASM_EXPORT_SYMBOL(sym)
24 #define Ip_u1u2u3(op) \
26 uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
28 #define Ip_u2u1u3(op) \
30 uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
32 #define Ip_u3u1u2(op) \
34 uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
36 #define Ip_u1u2s3(op) \
38 uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c)
40 #define Ip_u2s3u1(op) \
42 uasm_i##op(u32 **buf, unsigned int a, signed int b, unsigned int c)
44 #define Ip_u2u1s3(op) \
46 uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c)
48 #define Ip_u2u1msbu3(op) \
50 uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \
54 void __uasminit uasm_i##op(u32 **buf, unsigned int a, unsigned int b)
57 void __uasminit uasm_i##op(u32 **buf, unsigned int a, signed int b)
59 #define Ip_u1(op) void __uasminit uasm_i##op(u32 **buf, unsigned int a)
61 #define Ip_0(op) void __uasminit uasm_i##op(u32 **buf)
118 Ip_u2u1msbu3(_dinsm);
127 void __uasminit uasm_build_label(struct uasm_label **lab, u32 *addr, int lid);
129 int uasm_in_compat_space_p(long addr);
131 int uasm_rel_hi(long val);
132 int uasm_rel_lo(long val);
133 void UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr);
134 void UASM_i_LA(u32 **buf, unsigned int rs, long addr);
136 #define UASM_L_LA(lb) \
137 static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \
139 uasm_build_label(lab, addr, label##lb); \
142 /* convenience macros for instructions */
144 # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off)
145 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off)
146 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh)
147 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh)
148 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh)
149 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh)
150 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd)
151 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd)
152 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val)
153 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd)
154 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd)
155 # define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off)
156 # define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off)
158 # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off)
159 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off)
160 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh)
161 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh)
162 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
163 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh)
164 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd)
165 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd)
166 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val)
167 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd)
168 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd)
169 # define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off)
170 # define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off)
173 #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off)
174 #define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off)
175 #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off)
176 #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off)
177 #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off)
178 #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b)
179 #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0)
180 #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1)
181 #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3)
183 static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1,
184 unsigned int a2, unsigned int a3)
187 uasm_i_dsrl(p, a1, a2, a3);
189 uasm_i_dsrl32(p, a1, a2, a3 - 32);
192 static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1,
193 unsigned int a2, unsigned int a3)
196 uasm_i_drotr(p, a1, a2, a3);
198 uasm_i_drotr32(p, a1, a2, a3 - 32);
201 static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1,
202 unsigned int a2, unsigned int a3)
205 uasm_i_dsll(p, a1, a2, a3);
207 uasm_i_dsll32(p, a1, a2, a3 - 32);
210 /* Handle relocations. */
217 /* This is zero so we can use zeroed label arrays. */
218 #define UASM_LABEL_INVALID 0
220 void uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid);
221 void uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab);
222 void uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off);
223 void uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off);
224 void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab,
225 u32 *first, u32 *end, u32 *target);
226 int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr);
228 /* Convenience functions for labeled branches. */
229 void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
230 void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid);
231 void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
232 void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
233 void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1,
234 unsigned int reg2, int lid);
235 void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
236 void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
237 void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
238 void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg,
239 unsigned int bit, int lid);
240 void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg,
241 unsigned int bit, int lid);