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
);
131 void __uasminit
uasm_build_label(struct uasm_label
**lab
, u32
*addr
, int lid
);
133 int uasm_in_compat_space_p(long addr
);
135 int uasm_rel_hi(long val
);
136 int uasm_rel_lo(long val
);
137 void UASM_i_LA_mostly(u32
**buf
, unsigned int rs
, long addr
);
138 void UASM_i_LA(u32
**buf
, unsigned int rs
, long addr
);
140 #define UASM_L_LA(lb) \
141 static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \
143 uasm_build_label(lab, addr, label##lb); \
146 /* convenience macros for instructions */
148 # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off)
149 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off)
150 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh)
151 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh)
152 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh)
153 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh)
154 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd)
155 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd)
156 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val)
157 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd)
158 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd)
159 # define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off)
160 # define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off)
161 # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd)
163 # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off)
164 # define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off)
165 # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh)
166 # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh)
167 # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
168 # define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh)
169 # define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd)
170 # define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd)
171 # define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val)
172 # define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd)
173 # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd)
174 # define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off)
175 # define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off)
176 # define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd)
179 #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off)
180 #define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off)
181 #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off)
182 #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off)
183 #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off)
184 #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b)
185 #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0)
186 #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1)
187 #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3)
189 static inline void uasm_i_dsrl_safe(u32
**p
, unsigned int a1
,
190 unsigned int a2
, unsigned int a3
)
193 uasm_i_dsrl(p
, a1
, a2
, a3
);
195 uasm_i_dsrl32(p
, a1
, a2
, a3
- 32);
198 static inline void uasm_i_drotr_safe(u32
**p
, unsigned int a1
,
199 unsigned int a2
, unsigned int a3
)
202 uasm_i_drotr(p
, a1
, a2
, a3
);
204 uasm_i_drotr32(p
, a1
, a2
, a3
- 32);
207 static inline void uasm_i_dsll_safe(u32
**p
, unsigned int a1
,
208 unsigned int a2
, unsigned int a3
)
211 uasm_i_dsll(p
, a1
, a2
, a3
);
213 uasm_i_dsll32(p
, a1
, a2
, a3
- 32);
216 /* Handle relocations. */
223 /* This is zero so we can use zeroed label arrays. */
224 #define UASM_LABEL_INVALID 0
226 void uasm_r_mips_pc16(struct uasm_reloc
**rel
, u32
*addr
, int lid
);
227 void uasm_resolve_relocs(struct uasm_reloc
*rel
, struct uasm_label
*lab
);
228 void uasm_move_relocs(struct uasm_reloc
*rel
, u32
*first
, u32
*end
, long off
);
229 void uasm_move_labels(struct uasm_label
*lab
, u32
*first
, u32
*end
, long off
);
230 void uasm_copy_handler(struct uasm_reloc
*rel
, struct uasm_label
*lab
,
231 u32
*first
, u32
*end
, u32
*target
);
232 int uasm_insn_has_bdelay(struct uasm_reloc
*rel
, u32
*addr
);
234 /* Convenience functions for labeled branches. */
235 void uasm_il_bltz(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
236 void uasm_il_b(u32
**p
, struct uasm_reloc
**r
, int lid
);
237 void uasm_il_beqz(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
238 void uasm_il_beqzl(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
239 void uasm_il_bne(u32
**p
, struct uasm_reloc
**r
, unsigned int reg1
,
240 unsigned int reg2
, int lid
);
241 void uasm_il_bnez(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
242 void uasm_il_bgezl(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
243 void uasm_il_bgez(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
, int lid
);
244 void uasm_il_bbit0(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
,
245 unsigned int bit
, int lid
);
246 void uasm_il_bbit1(u32
**p
, struct uasm_reloc
**r
, unsigned int reg
,
247 unsigned int bit
, int lid
);