Merge tag 'pull-ppc-20211129' of https://github.com/legoater/qemu into staging
[qemu.git] / tcg / arm / tcg-target.h
1 /*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 * Copyright (c) 2008 Andrzej Zaborowski
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #ifndef ARM_TCG_TARGET_H
27 #define ARM_TCG_TARGET_H
28
29 /* The __ARM_ARCH define is provided by gcc 4.8. Construct it otherwise. */
30 #ifndef __ARM_ARCH
31 # if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
32 || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
33 || defined(__ARM_ARCH_7EM__)
34 # define __ARM_ARCH 7
35 # elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
36 || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) \
37 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__)
38 # define __ARM_ARCH 6
39 # elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5E__) \
40 || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) \
41 || defined(__ARM_ARCH_5TEJ__)
42 # define __ARM_ARCH 5
43 # else
44 # define __ARM_ARCH 4
45 # endif
46 #endif
47
48 extern int arm_arch;
49
50 #if defined(__ARM_ARCH_5T__) \
51 || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)
52 # define use_armv5t_instructions 1
53 #else
54 # define use_armv5t_instructions use_armv6_instructions
55 #endif
56
57 #define use_armv6_instructions (__ARM_ARCH >= 6 || arm_arch >= 6)
58 #define use_armv7_instructions (__ARM_ARCH >= 7 || arm_arch >= 7)
59
60 #undef TCG_TARGET_STACK_GROWSUP
61 #define TCG_TARGET_INSN_UNIT_SIZE 4
62 #define TCG_TARGET_TLB_DISPLACEMENT_BITS 16
63 #define MAX_CODE_GEN_BUFFER_SIZE UINT32_MAX
64
65 typedef enum {
66 TCG_REG_R0 = 0,
67 TCG_REG_R1,
68 TCG_REG_R2,
69 TCG_REG_R3,
70 TCG_REG_R4,
71 TCG_REG_R5,
72 TCG_REG_R6,
73 TCG_REG_R7,
74 TCG_REG_R8,
75 TCG_REG_R9,
76 TCG_REG_R10,
77 TCG_REG_R11,
78 TCG_REG_R12,
79 TCG_REG_R13,
80 TCG_REG_R14,
81 TCG_REG_PC,
82
83 TCG_REG_Q0,
84 TCG_REG_Q1,
85 TCG_REG_Q2,
86 TCG_REG_Q3,
87 TCG_REG_Q4,
88 TCG_REG_Q5,
89 TCG_REG_Q6,
90 TCG_REG_Q7,
91 TCG_REG_Q8,
92 TCG_REG_Q9,
93 TCG_REG_Q10,
94 TCG_REG_Q11,
95 TCG_REG_Q12,
96 TCG_REG_Q13,
97 TCG_REG_Q14,
98 TCG_REG_Q15,
99
100 TCG_AREG0 = TCG_REG_R6,
101 TCG_REG_CALL_STACK = TCG_REG_R13,
102 } TCGReg;
103
104 #define TCG_TARGET_NB_REGS 32
105
106 #ifdef __ARM_ARCH_EXT_IDIV__
107 #define use_idiv_instructions 1
108 #else
109 extern bool use_idiv_instructions;
110 #endif
111 #ifdef __ARM_NEON__
112 #define use_neon_instructions 1
113 #else
114 extern bool use_neon_instructions;
115 #endif
116
117 /* used for function call generation */
118 #define TCG_TARGET_STACK_ALIGN 8
119 #define TCG_TARGET_CALL_ALIGN_ARGS 1
120 #define TCG_TARGET_CALL_STACK_OFFSET 0
121
122 /* optional instructions */
123 #define TCG_TARGET_HAS_ext8s_i32 1
124 #define TCG_TARGET_HAS_ext16s_i32 1
125 #define TCG_TARGET_HAS_ext8u_i32 0 /* and r0, r1, #0xff */
126 #define TCG_TARGET_HAS_ext16u_i32 1
127 #define TCG_TARGET_HAS_bswap16_i32 1
128 #define TCG_TARGET_HAS_bswap32_i32 1
129 #define TCG_TARGET_HAS_not_i32 1
130 #define TCG_TARGET_HAS_neg_i32 1
131 #define TCG_TARGET_HAS_rot_i32 1
132 #define TCG_TARGET_HAS_andc_i32 1
133 #define TCG_TARGET_HAS_orc_i32 0
134 #define TCG_TARGET_HAS_eqv_i32 0
135 #define TCG_TARGET_HAS_nand_i32 0
136 #define TCG_TARGET_HAS_nor_i32 0
137 #define TCG_TARGET_HAS_clz_i32 use_armv5t_instructions
138 #define TCG_TARGET_HAS_ctz_i32 use_armv7_instructions
139 #define TCG_TARGET_HAS_ctpop_i32 0
140 #define TCG_TARGET_HAS_deposit_i32 use_armv7_instructions
141 #define TCG_TARGET_HAS_extract_i32 use_armv7_instructions
142 #define TCG_TARGET_HAS_sextract_i32 use_armv7_instructions
143 #define TCG_TARGET_HAS_extract2_i32 1
144 #define TCG_TARGET_HAS_movcond_i32 1
145 #define TCG_TARGET_HAS_mulu2_i32 1
146 #define TCG_TARGET_HAS_muls2_i32 1
147 #define TCG_TARGET_HAS_muluh_i32 0
148 #define TCG_TARGET_HAS_mulsh_i32 0
149 #define TCG_TARGET_HAS_div_i32 use_idiv_instructions
150 #define TCG_TARGET_HAS_rem_i32 0
151 #define TCG_TARGET_HAS_goto_ptr 1
152 #define TCG_TARGET_HAS_direct_jump 0
153 #define TCG_TARGET_HAS_qemu_st8_i32 0
154
155 #define TCG_TARGET_HAS_v64 use_neon_instructions
156 #define TCG_TARGET_HAS_v128 use_neon_instructions
157 #define TCG_TARGET_HAS_v256 0
158
159 #define TCG_TARGET_HAS_andc_vec 1
160 #define TCG_TARGET_HAS_orc_vec 1
161 #define TCG_TARGET_HAS_not_vec 1
162 #define TCG_TARGET_HAS_neg_vec 1
163 #define TCG_TARGET_HAS_abs_vec 1
164 #define TCG_TARGET_HAS_roti_vec 0
165 #define TCG_TARGET_HAS_rots_vec 0
166 #define TCG_TARGET_HAS_rotv_vec 0
167 #define TCG_TARGET_HAS_shi_vec 1
168 #define TCG_TARGET_HAS_shs_vec 0
169 #define TCG_TARGET_HAS_shv_vec 0
170 #define TCG_TARGET_HAS_mul_vec 1
171 #define TCG_TARGET_HAS_sat_vec 1
172 #define TCG_TARGET_HAS_minmax_vec 1
173 #define TCG_TARGET_HAS_bitsel_vec 1
174 #define TCG_TARGET_HAS_cmpsel_vec 0
175
176 #define TCG_TARGET_DEFAULT_MO (0)
177 #define TCG_TARGET_HAS_MEMORY_BSWAP 1
178
179 /* not defined -- call should be eliminated at compile time */
180 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
181
182 #ifdef CONFIG_SOFTMMU
183 #define TCG_TARGET_NEED_LDST_LABELS
184 #endif
185 #define TCG_TARGET_NEED_POOL_LABELS
186
187 #endif