summaryrefslogtreecommitdiff
path: root/arch/riscv/include/asm/insn-def.h
blob: 3652de4ff19fbde57d5ed8c998b23975997cea1e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __ASM_INSN_DEF_H
#define __ASM_INSN_DEF_H

#include <asm/asm.h>

#define INSN_R_FUNC7_SHIFT		25
#define INSN_R_RS2_SHIFT		20
#define INSN_R_RS1_SHIFT		15
#define INSN_R_FUNC3_SHIFT		12
#define INSN_R_RD_SHIFT			 7
#define INSN_R_OPCODE_SHIFT		 0

#define INSN_I_SIMM12_SHIFT		20
#define INSN_I_RS1_SHIFT		15
#define INSN_I_FUNC3_SHIFT		12
#define INSN_I_RD_SHIFT			 7
#define INSN_I_OPCODE_SHIFT		 0

#define INSN_S_SIMM7_SHIFT		25
#define INSN_S_RS2_SHIFT		20
#define INSN_S_RS1_SHIFT		15
#define INSN_S_FUNC3_SHIFT		12
#define INSN_S_SIMM5_SHIFT		 7
#define INSN_S_OPCODE_SHIFT		 0

#ifdef __ASSEMBLY__

#ifdef CONFIG_AS_HAS_INSN

	.macro insn_r, opcode, func3, func7, rd, rs1, rs2
	.insn	r \opcode, \func3, \func7, \rd, \rs1, \rs2
	.endm

	.macro insn_i, opcode, func3, rd, rs1, simm12
	.insn	i \opcode, \func3, \rd, \rs1, \simm12
	.endm

	.macro insn_s, opcode, func3, rs2, simm12, rs1
	.insn	s \opcode, \func3, \rs2, \simm12(\rs1)
	.endm

#else

#include <asm/gpr-num.h>

	.macro insn_r, opcode, func3, func7, rd, rs1, rs2
	.4byte	((\opcode << INSN_R_OPCODE_SHIFT) |		\
		 (\func3 << INSN_R_FUNC3_SHIFT) |		\
		 (\func7 << INSN_R_FUNC7_SHIFT) |		\
		 (.L__gpr_num_\rd << INSN_R_RD_SHIFT) |		\
		 (.L__gpr_num_\rs1 << INSN_R_RS1_SHIFT) |	\
		 (.L__gpr_num_\rs2 << INSN_R_RS2_SHIFT))
	.endm

	.macro insn_i, opcode, func3, rd, rs1, simm12
	.4byte	((\opcode << INSN_I_OPCODE_SHIFT) |		\
		 (\func3 << INSN_I_FUNC3_SHIFT) |		\
		 (.L__gpr_num_\rd << INSN_I_RD_SHIFT) |		\
		 (.L__gpr_num_\rs1 << INSN_I_RS1_SHIFT) |	\
		 (\simm12 << INSN_I_SIMM12_SHIFT))
	.endm

	.macro insn_s, opcode, func3, rs2, simm12, rs1
	.4byte	((\opcode << INSN_S_OPCODE_SHIFT) |		\
		 (\func3 << INSN_S_FUNC3_SHIFT) |		\
		 (.L__gpr_num_\rs2 << INSN_S_RS2_SHIFT) |	\
		 (.L__gpr_num_\rs1 << INSN_S_RS1_SHIFT) |	\
		 ((\simm12 & 0x1f) << INSN_S_SIMM5_SHIFT) |	\
		 (((\simm12 >> 5) & 0x7f) << INSN_S_SIMM7_SHIFT))
	.endm

#endif

#define __INSN_R(...)	insn_r __VA_ARGS__
#define __INSN_I(...)	insn_i __VA_ARGS__
#define __INSN_S(...)	insn_s __VA_ARGS__

#else /* ! __ASSEMBLY__ */

#ifdef CONFIG_AS_HAS_INSN

#define __INSN_R(opcode, func3, func7, rd, rs1, rs2)	\
	".insn	r " opcode ", " func3 ", " func7 ", " rd ", " rs1 ", " rs2 "\n"

#define __INSN_I(opcode, func3, rd, rs1, simm12)	\
	".insn	i " opcode ", " func3 ", " rd ", " rs1 ", " simm12 "\n"

#define __INSN_S(opcode, func3, rs2, simm12, rs1)	\
	".insn	s " opcode ", " func3 ", " rs2 ", " simm12 "(" rs1 ")\n"

#else

#include <linux/stringify.h>
#include <asm/gpr-num.h>

#define DEFINE_INSN_R							\
	__DEFINE_ASM_GPR_NUMS						\
"	.macro insn_r, opcode, func3, func7, rd, rs1, rs2\n"		\
"	.4byte	((\\opcode << " __stringify(INSN_R_OPCODE_SHIFT) ") |"	\
"		 (\\func3 << " __stringify(INSN_R_FUNC3_SHIFT) ") |"	\
"		 (\\func7 << " __stringify(INSN_R_FUNC7_SHIFT) ") |"	\
"		 (.L__gpr_num_\\rd << " __stringify(INSN_R_RD_SHIFT) ") |"    \
"		 (.L__gpr_num_\\rs1 << " __stringify(INSN_R_RS1_SHIFT) ") |"  \
"		 (.L__gpr_num_\\rs2 << " __stringify(INSN_R_RS2_SHIFT) "))\n" \
"	.endm\n"

#define DEFINE_INSN_I							\
	__DEFINE_ASM_GPR_NUMS						\
"	.macro insn_i, opcode, func3, rd, rs1, simm12\n"		\
"	.4byte	((\\opcode << " __stringify(INSN_I_OPCODE_SHIFT) ") |"	\
"		 (\\func3 << " __stringify(INSN_I_FUNC3_SHIFT) ") |"	\
"		 (.L__gpr_num_\\rd << " __stringify(INSN_I_RD_SHIFT) ") |"   \
"		 (.L__gpr_num_\\rs1 << " __stringify(INSN_I_RS1_SHIFT) ") |" \
"		 (\\simm12 << " __stringify(INSN_I_SIMM12_SHIFT) "))\n"	\
"	.endm\n"

#define DEFINE_INSN_S							\
	__DEFINE_ASM_GPR_NUMS						\
"	.macro insn_s, opcode, func3, rs2, simm12, rs1\n"		\
"	.4byte	((\\opcode << " __stringify(INSN_S_OPCODE_SHIFT) ") |"	\
"		 (\\func3 << " __stringify(INSN_S_FUNC3_SHIFT) ") |"	\
"		 (.L__gpr_num_\\rs2 << " __stringify(INSN_S_RS2_SHIFT) ") |" \
"		 (.L__gpr_num_\\rs1 << " __stringify(INSN_S_RS1_SHIFT) ") |" \
"		 ((\\simm12 & 0x1f) << " __stringify(INSN_S_SIMM5_SHIFT) ") |" \
"		 (((\\simm12 >> 5) & 0x7f) << " __stringify(INSN_S_SIMM7_SHIFT) "))\n" \
"	.endm\n"

#define UNDEFINE_INSN_R							\
"	.purgem insn_r\n"

#define UNDEFINE_INSN_I							\
"	.purgem insn_i\n"

#define UNDEFINE_INSN_S							\
"	.purgem insn_s\n"

#define __INSN_R(opcode, func3, func7, rd, rs1, rs2)			\
	DEFINE_INSN_R							\
	"insn_r " opcode ", " func3 ", " func7 ", " rd ", " rs1 ", " rs2 "\n" \
	UNDEFINE_INSN_R

#define __INSN_I(opcode, func3, rd, rs1, simm12)			\
	DEFINE_INSN_I							\
	"insn_i " opcode ", " func3 ", " rd ", " rs1 ", " simm12 "\n" \
	UNDEFINE_INSN_I

#define __INSN_S(opcode, func3, rs2, simm12, rs1)			\
	DEFINE_INSN_S							\
	"insn_s " opcode ", " func3 ", " rs2 ", " simm12 ", " rs1 "\n"	\
	UNDEFINE_INSN_S

#endif

#endif /* ! __ASSEMBLY__ */

#define INSN_R(opcode, func3, func7, rd, rs1, rs2)		\
	__INSN_R(RV_##opcode, RV_##func3, RV_##func7,		\
		 RV_##rd, RV_##rs1, RV_##rs2)

#define INSN_I(opcode, func3, rd, rs1, simm12)			\
	__INSN_I(RV_##opcode, RV_##func3, RV_##rd,		\
		 RV_##rs1, RV_##simm12)

#define INSN_S(opcode, func3, rs2, simm12, rs1)			\
	__INSN_S(RV_##opcode, RV_##func3, RV_##rs2,		\
		 RV_##simm12, RV_##rs1)

#define RV_OPCODE(v)		__ASM_STR(v)
#define RV_FUNC3(v)		__ASM_STR(v)
#define RV_FUNC7(v)		__ASM_STR(v)
#define RV_SIMM12(v)		__ASM_STR(v)
#define RV_RD(v)		__ASM_STR(v)
#define RV_RS1(v)		__ASM_STR(v)
#define RV_RS2(v)		__ASM_STR(v)
#define __RV_REG(v)		__ASM_STR(x ## v)
#define RV___RD(v)		__RV_REG(v)
#define RV___RS1(v)		__RV_REG(v)
#define RV___RS2(v)		__RV_REG(v)

#define RV_OPCODE_MISC_MEM	RV_OPCODE(15)
#define RV_OPCODE_OP_IMM	RV_OPCODE(19)
#define RV_OPCODE_SYSTEM	RV_OPCODE(115)

#define HFENCE_VVMA(vaddr, asid)				\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(17),		\
	       __RD(0), RS1(vaddr), RS2(asid))

#define HFENCE_GVMA(gaddr, vmid)				\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(49),		\
	       __RD(0), RS1(gaddr), RS2(vmid))

#define HLVX_HU(dest, addr)					\
	INSN_R(OPCODE_SYSTEM, FUNC3(4), FUNC7(50),		\
	       RD(dest), RS1(addr), __RS2(3))

#define HLV_W(dest, addr)					\
	INSN_R(OPCODE_SYSTEM, FUNC3(4), FUNC7(52),		\
	       RD(dest), RS1(addr), __RS2(0))

#ifdef CONFIG_64BIT
#define HLV_D(dest, addr)					\
	INSN_R(OPCODE_SYSTEM, FUNC3(4), FUNC7(54),		\
	       RD(dest), RS1(addr), __RS2(0))
#else
#define HLV_D(dest, addr)					\
	__ASM_STR(.error "hlv.d requires 64-bit support")
#endif

#define SINVAL_VMA(vaddr, asid)					\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(11),		\
	       __RD(0), RS1(vaddr), RS2(asid))

#define SFENCE_W_INVAL()					\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(12),		\
	       __RD(0), __RS1(0), __RS2(0))

#define SFENCE_INVAL_IR()					\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(12),		\
	       __RD(0), __RS1(0), __RS2(1))

#define HINVAL_VVMA(vaddr, asid)				\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(19),		\
	       __RD(0), RS1(vaddr), RS2(asid))

#define HINVAL_GVMA(gaddr, vmid)				\
	INSN_R(OPCODE_SYSTEM, FUNC3(0), FUNC7(51),		\
	       __RD(0), RS1(gaddr), RS2(vmid))

#define CBO_inval(base)						\
	INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0),		\
	       RS1(base), SIMM12(0))

#define CBO_clean(base)						\
	INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0),		\
	       RS1(base), SIMM12(1))

#define CBO_flush(base)						\
	INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0),		\
	       RS1(base), SIMM12(2))

#define CBO_zero(base)						\
	INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0),		\
	       RS1(base), SIMM12(4))

#define CBO_PREFETCH_I(base, offset)				\
	INSN_S(OPCODE_OP_IMM, FUNC3(6), __RS2(0),		\
	       SIMM12(offset), RS1(base))

#define CBO_PREFETCH_R(base, offset)				\
	INSN_S(OPCODE_OP_IMM, FUNC3(6), __RS2(1),		\
	       SIMM12(offset), RS1(base))

#define CBO_PREFETCH_W(base, offset)				\
	INSN_S(OPCODE_OP_IMM, FUNC3(6), __RS2(3),		\
	       SIMM12(offset), RS1(base))

#endif /* __ASM_INSN_DEF_H */