xref: /openbmc/qemu/tcg/ppc/tcg-target.h (revision 5a894dd7)
1 /*
2  * Tiny Code Generator for QEMU
3  *
4  * Copyright (c) 2008 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef PPC_TCG_TARGET_H
26 #define PPC_TCG_TARGET_H
27 
28 #ifdef _ARCH_PPC64
29 # define TCG_TARGET_REG_BITS  64
30 #else
31 # define TCG_TARGET_REG_BITS  32
32 #endif
33 
34 #define TCG_TARGET_NB_REGS 64
35 #define TCG_TARGET_INSN_UNIT_SIZE 4
36 #define TCG_TARGET_TLB_DISPLACEMENT_BITS 16
37 
38 typedef enum {
39     TCG_REG_R0,  TCG_REG_R1,  TCG_REG_R2,  TCG_REG_R3,
40     TCG_REG_R4,  TCG_REG_R5,  TCG_REG_R6,  TCG_REG_R7,
41     TCG_REG_R8,  TCG_REG_R9,  TCG_REG_R10, TCG_REG_R11,
42     TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15,
43     TCG_REG_R16, TCG_REG_R17, TCG_REG_R18, TCG_REG_R19,
44     TCG_REG_R20, TCG_REG_R21, TCG_REG_R22, TCG_REG_R23,
45     TCG_REG_R24, TCG_REG_R25, TCG_REG_R26, TCG_REG_R27,
46     TCG_REG_R28, TCG_REG_R29, TCG_REG_R30, TCG_REG_R31,
47 
48     TCG_REG_V0,  TCG_REG_V1,  TCG_REG_V2,  TCG_REG_V3,
49     TCG_REG_V4,  TCG_REG_V5,  TCG_REG_V6,  TCG_REG_V7,
50     TCG_REG_V8,  TCG_REG_V9,  TCG_REG_V10, TCG_REG_V11,
51     TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15,
52     TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19,
53     TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23,
54     TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27,
55     TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31,
56 
57     TCG_REG_CALL_STACK = TCG_REG_R1,
58     TCG_AREG0 = TCG_REG_R27
59 } TCGReg;
60 
61 typedef enum {
62     tcg_isa_base,
63     tcg_isa_2_06,
64     tcg_isa_2_07,
65     tcg_isa_3_00,
66     tcg_isa_3_10,
67 } TCGPowerISA;
68 
69 extern TCGPowerISA have_isa;
70 extern bool have_altivec;
71 extern bool have_vsx;
72 
73 #define have_isa_2_06  (have_isa >= tcg_isa_2_06)
74 #define have_isa_2_07  (have_isa >= tcg_isa_2_07)
75 #define have_isa_3_00  (have_isa >= tcg_isa_3_00)
76 #define have_isa_3_10  (have_isa >= tcg_isa_3_10)
77 
78 /* optional instructions automatically implemented */
79 #define TCG_TARGET_HAS_ext8u_i32        0 /* andi */
80 #define TCG_TARGET_HAS_ext16u_i32       0
81 
82 /* optional instructions */
83 #define TCG_TARGET_HAS_div_i32          1
84 #define TCG_TARGET_HAS_rem_i32          0
85 #define TCG_TARGET_HAS_rot_i32          1
86 #define TCG_TARGET_HAS_ext8s_i32        1
87 #define TCG_TARGET_HAS_ext16s_i32       1
88 #define TCG_TARGET_HAS_bswap16_i32      1
89 #define TCG_TARGET_HAS_bswap32_i32      1
90 #define TCG_TARGET_HAS_not_i32          1
91 #define TCG_TARGET_HAS_neg_i32          1
92 #define TCG_TARGET_HAS_andc_i32         1
93 #define TCG_TARGET_HAS_orc_i32          1
94 #define TCG_TARGET_HAS_eqv_i32          1
95 #define TCG_TARGET_HAS_nand_i32         1
96 #define TCG_TARGET_HAS_nor_i32          1
97 #define TCG_TARGET_HAS_clz_i32          1
98 #define TCG_TARGET_HAS_ctz_i32          have_isa_3_00
99 #define TCG_TARGET_HAS_ctpop_i32        have_isa_2_06
100 #define TCG_TARGET_HAS_deposit_i32      1
101 #define TCG_TARGET_HAS_extract_i32      1
102 #define TCG_TARGET_HAS_sextract_i32     0
103 #define TCG_TARGET_HAS_extract2_i32     0
104 #define TCG_TARGET_HAS_movcond_i32      1
105 #define TCG_TARGET_HAS_mulu2_i32        0
106 #define TCG_TARGET_HAS_muls2_i32        0
107 #define TCG_TARGET_HAS_muluh_i32        1
108 #define TCG_TARGET_HAS_mulsh_i32        1
109 #define TCG_TARGET_HAS_goto_ptr         1
110 #define TCG_TARGET_HAS_direct_jump      1
111 
112 #if TCG_TARGET_REG_BITS == 64
113 #define TCG_TARGET_HAS_add2_i32         0
114 #define TCG_TARGET_HAS_sub2_i32         0
115 #define TCG_TARGET_HAS_extrl_i64_i32    0
116 #define TCG_TARGET_HAS_extrh_i64_i32    0
117 #define TCG_TARGET_HAS_div_i64          1
118 #define TCG_TARGET_HAS_rem_i64          0
119 #define TCG_TARGET_HAS_rot_i64          1
120 #define TCG_TARGET_HAS_ext8s_i64        1
121 #define TCG_TARGET_HAS_ext16s_i64       1
122 #define TCG_TARGET_HAS_ext32s_i64       1
123 #define TCG_TARGET_HAS_ext8u_i64        0
124 #define TCG_TARGET_HAS_ext16u_i64       0
125 #define TCG_TARGET_HAS_ext32u_i64       0
126 #define TCG_TARGET_HAS_bswap16_i64      1
127 #define TCG_TARGET_HAS_bswap32_i64      1
128 #define TCG_TARGET_HAS_bswap64_i64      1
129 #define TCG_TARGET_HAS_not_i64          1
130 #define TCG_TARGET_HAS_neg_i64          1
131 #define TCG_TARGET_HAS_andc_i64         1
132 #define TCG_TARGET_HAS_orc_i64          1
133 #define TCG_TARGET_HAS_eqv_i64          1
134 #define TCG_TARGET_HAS_nand_i64         1
135 #define TCG_TARGET_HAS_nor_i64          1
136 #define TCG_TARGET_HAS_clz_i64          1
137 #define TCG_TARGET_HAS_ctz_i64          have_isa_3_00
138 #define TCG_TARGET_HAS_ctpop_i64        have_isa_2_06
139 #define TCG_TARGET_HAS_deposit_i64      1
140 #define TCG_TARGET_HAS_extract_i64      1
141 #define TCG_TARGET_HAS_sextract_i64     0
142 #define TCG_TARGET_HAS_extract2_i64     0
143 #define TCG_TARGET_HAS_movcond_i64      1
144 #define TCG_TARGET_HAS_add2_i64         1
145 #define TCG_TARGET_HAS_sub2_i64         1
146 #define TCG_TARGET_HAS_mulu2_i64        0
147 #define TCG_TARGET_HAS_muls2_i64        0
148 #define TCG_TARGET_HAS_muluh_i64        1
149 #define TCG_TARGET_HAS_mulsh_i64        1
150 #endif
151 
152 /*
153  * While technically Altivec could support V64, it has no 64-bit store
154  * instruction and substituting two 32-bit stores makes the generated
155  * code quite large.
156  */
157 #define TCG_TARGET_HAS_v64              have_vsx
158 #define TCG_TARGET_HAS_v128             have_altivec
159 #define TCG_TARGET_HAS_v256             0
160 
161 #define TCG_TARGET_HAS_andc_vec         1
162 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
163 #define TCG_TARGET_HAS_not_vec          1
164 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
165 #define TCG_TARGET_HAS_abs_vec          0
166 #define TCG_TARGET_HAS_roti_vec         0
167 #define TCG_TARGET_HAS_rots_vec         0
168 #define TCG_TARGET_HAS_rotv_vec         1
169 #define TCG_TARGET_HAS_shi_vec          0
170 #define TCG_TARGET_HAS_shs_vec          0
171 #define TCG_TARGET_HAS_shv_vec          1
172 #define TCG_TARGET_HAS_cmp_vec          1
173 #define TCG_TARGET_HAS_mul_vec          1
174 #define TCG_TARGET_HAS_sat_vec          1
175 #define TCG_TARGET_HAS_minmax_vec       1
176 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
177 #define TCG_TARGET_HAS_cmpsel_vec       0
178 
179 void flush_icache_range(uintptr_t start, uintptr_t stop);
180 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t);
181 
182 #define TCG_TARGET_DEFAULT_MO (0)
183 #define TCG_TARGET_HAS_MEMORY_BSWAP     1
184 
185 #ifdef CONFIG_SOFTMMU
186 #define TCG_TARGET_NEED_LDST_LABELS
187 #endif
188 #define TCG_TARGET_NEED_POOL_LABELS
189 
190 #endif
191