xref: /openbmc/qemu/tcg/aarch64/tcg-target.h (revision 35d08458)
1 /*
2  * Initial TCG Implementation for aarch64
3  *
4  * Copyright (c) 2013 Huawei Technologies Duesseldorf GmbH
5  * Written by Claudio Fontana
6  *
7  * This work is licensed under the terms of the GNU GPL, version 2 or
8  * (at your option) any later version.
9  *
10  * See the COPYING file in the top-level directory for details.
11  */
12 
13 #ifndef TCG_TARGET_AARCH64
14 #define TCG_TARGET_AARCH64 1
15 
16 #define TCG_TARGET_INSN_UNIT_SIZE  4
17 #undef TCG_TARGET_STACK_GROWSUP
18 
19 typedef enum {
20     TCG_REG_X0, TCG_REG_X1, TCG_REG_X2, TCG_REG_X3,
21     TCG_REG_X4, TCG_REG_X5, TCG_REG_X6, TCG_REG_X7,
22     TCG_REG_X8, TCG_REG_X9, TCG_REG_X10, TCG_REG_X11,
23     TCG_REG_X12, TCG_REG_X13, TCG_REG_X14, TCG_REG_X15,
24     TCG_REG_X16, TCG_REG_X17, TCG_REG_X18, TCG_REG_X19,
25     TCG_REG_X20, TCG_REG_X21, TCG_REG_X22, TCG_REG_X23,
26     TCG_REG_X24, TCG_REG_X25, TCG_REG_X26, TCG_REG_X27,
27     TCG_REG_X28, TCG_REG_X29, TCG_REG_X30,
28 
29     /* X31 is either the stack pointer or zero, depending on context.  */
30     TCG_REG_SP = 31,
31     TCG_REG_XZR = 31,
32 
33     /* Aliases.  */
34     TCG_REG_FP = TCG_REG_X29,
35     TCG_REG_LR = TCG_REG_X30,
36     TCG_AREG0  = TCG_REG_X19,
37 } TCGReg;
38 
39 #define TCG_TARGET_NB_REGS 32
40 
41 /* used for function call generation */
42 #define TCG_REG_CALL_STACK              TCG_REG_SP
43 #define TCG_TARGET_STACK_ALIGN          16
44 #define TCG_TARGET_CALL_ALIGN_ARGS      1
45 #define TCG_TARGET_CALL_STACK_OFFSET    0
46 
47 /* optional instructions */
48 #define TCG_TARGET_HAS_div_i32          1
49 #define TCG_TARGET_HAS_rem_i32          1
50 #define TCG_TARGET_HAS_ext8s_i32        1
51 #define TCG_TARGET_HAS_ext16s_i32       1
52 #define TCG_TARGET_HAS_ext8u_i32        1
53 #define TCG_TARGET_HAS_ext16u_i32       1
54 #define TCG_TARGET_HAS_bswap16_i32      1
55 #define TCG_TARGET_HAS_bswap32_i32      1
56 #define TCG_TARGET_HAS_not_i32          1
57 #define TCG_TARGET_HAS_neg_i32          1
58 #define TCG_TARGET_HAS_rot_i32          1
59 #define TCG_TARGET_HAS_andc_i32         1
60 #define TCG_TARGET_HAS_orc_i32          1
61 #define TCG_TARGET_HAS_eqv_i32          1
62 #define TCG_TARGET_HAS_nand_i32         0
63 #define TCG_TARGET_HAS_nor_i32          0
64 #define TCG_TARGET_HAS_deposit_i32      1
65 #define TCG_TARGET_HAS_movcond_i32      1
66 #define TCG_TARGET_HAS_add2_i32         1
67 #define TCG_TARGET_HAS_sub2_i32         1
68 #define TCG_TARGET_HAS_mulu2_i32        0
69 #define TCG_TARGET_HAS_muls2_i32        0
70 #define TCG_TARGET_HAS_muluh_i32        0
71 #define TCG_TARGET_HAS_mulsh_i32        0
72 #define TCG_TARGET_HAS_trunc_shr_i32    0
73 
74 #define TCG_TARGET_HAS_div_i64          1
75 #define TCG_TARGET_HAS_rem_i64          1
76 #define TCG_TARGET_HAS_ext8s_i64        1
77 #define TCG_TARGET_HAS_ext16s_i64       1
78 #define TCG_TARGET_HAS_ext32s_i64       1
79 #define TCG_TARGET_HAS_ext8u_i64        1
80 #define TCG_TARGET_HAS_ext16u_i64       1
81 #define TCG_TARGET_HAS_ext32u_i64       1
82 #define TCG_TARGET_HAS_bswap16_i64      1
83 #define TCG_TARGET_HAS_bswap32_i64      1
84 #define TCG_TARGET_HAS_bswap64_i64      1
85 #define TCG_TARGET_HAS_not_i64          1
86 #define TCG_TARGET_HAS_neg_i64          1
87 #define TCG_TARGET_HAS_rot_i64          1
88 #define TCG_TARGET_HAS_andc_i64         1
89 #define TCG_TARGET_HAS_orc_i64          1
90 #define TCG_TARGET_HAS_eqv_i64          1
91 #define TCG_TARGET_HAS_nand_i64         0
92 #define TCG_TARGET_HAS_nor_i64          0
93 #define TCG_TARGET_HAS_deposit_i64      1
94 #define TCG_TARGET_HAS_movcond_i64      1
95 #define TCG_TARGET_HAS_add2_i64         1
96 #define TCG_TARGET_HAS_sub2_i64         1
97 #define TCG_TARGET_HAS_mulu2_i64        0
98 #define TCG_TARGET_HAS_muls2_i64        0
99 #define TCG_TARGET_HAS_muluh_i64        1
100 #define TCG_TARGET_HAS_mulsh_i64        1
101 
102 #define TCG_TARGET_HAS_new_ldst         1
103 
104 static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
105 {
106     __builtin___clear_cache((char *)start, (char *)stop);
107 }
108 
109 #endif /* TCG_TARGET_AARCH64 */
110