xref: /qemu/tcg/ppc/tcg-target.h (revision 72ac97cd)
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 #ifndef TCG_TARGET_PPC
25 #define TCG_TARGET_PPC 1
26 
27 #define TCG_TARGET_NB_REGS 32
28 #define TCG_TARGET_INSN_UNIT_SIZE 4
29 
30 typedef enum {
31     TCG_REG_R0 = 0,
32     TCG_REG_R1,
33     TCG_REG_R2,
34     TCG_REG_R3,
35     TCG_REG_R4,
36     TCG_REG_R5,
37     TCG_REG_R6,
38     TCG_REG_R7,
39     TCG_REG_R8,
40     TCG_REG_R9,
41     TCG_REG_R10,
42     TCG_REG_R11,
43     TCG_REG_R12,
44     TCG_REG_R13,
45     TCG_REG_R14,
46     TCG_REG_R15,
47     TCG_REG_R16,
48     TCG_REG_R17,
49     TCG_REG_R18,
50     TCG_REG_R19,
51     TCG_REG_R20,
52     TCG_REG_R21,
53     TCG_REG_R22,
54     TCG_REG_R23,
55     TCG_REG_R24,
56     TCG_REG_R25,
57     TCG_REG_R26,
58     TCG_REG_R27,
59     TCG_REG_R28,
60     TCG_REG_R29,
61     TCG_REG_R30,
62     TCG_REG_R31
63 } TCGReg;
64 
65 /* used for function call generation */
66 #define TCG_REG_CALL_STACK TCG_REG_R1
67 #define TCG_TARGET_STACK_ALIGN 16
68 #if defined _CALL_DARWIN || defined __APPLE__
69 #define TCG_TARGET_CALL_STACK_OFFSET 24
70 #elif defined _CALL_AIX
71 #define TCG_TARGET_CALL_STACK_OFFSET 52
72 #elif defined _CALL_SYSV
73 #define TCG_TARGET_CALL_ALIGN_ARGS 1
74 #define TCG_TARGET_CALL_STACK_OFFSET 8
75 #else
76 #error Unsupported system
77 #endif
78 
79 /* optional instructions */
80 #define TCG_TARGET_HAS_div_i32          1
81 #define TCG_TARGET_HAS_rem_i32          0
82 #define TCG_TARGET_HAS_rot_i32          1
83 #define TCG_TARGET_HAS_ext8s_i32        1
84 #define TCG_TARGET_HAS_ext16s_i32       1
85 #define TCG_TARGET_HAS_ext8u_i32        1
86 #define TCG_TARGET_HAS_ext16u_i32       1
87 #define TCG_TARGET_HAS_bswap16_i32      1
88 #define TCG_TARGET_HAS_bswap32_i32      1
89 #define TCG_TARGET_HAS_not_i32          1
90 #define TCG_TARGET_HAS_neg_i32          1
91 #define TCG_TARGET_HAS_andc_i32         1
92 #define TCG_TARGET_HAS_orc_i32          1
93 #define TCG_TARGET_HAS_eqv_i32          1
94 #define TCG_TARGET_HAS_nand_i32         1
95 #define TCG_TARGET_HAS_nor_i32          1
96 #define TCG_TARGET_HAS_deposit_i32      1
97 #define TCG_TARGET_HAS_movcond_i32      1
98 #define TCG_TARGET_HAS_mulu2_i32        1
99 #define TCG_TARGET_HAS_muls2_i32        0
100 #define TCG_TARGET_HAS_muluh_i32        0
101 #define TCG_TARGET_HAS_mulsh_i32        0
102 
103 #define TCG_AREG0 TCG_REG_R27
104 
105 #define tcg_qemu_tb_exec(env, tb_ptr) \
106     ((uintptr_t __attribute__ ((longcall)) \
107       (*)(void *, void *))tcg_ctx.code_gen_prologue)(env, tb_ptr)
108 
109 #endif
110