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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 | #define TCG_TARGET_SPARC 1 | |
25 | ||
26 | #if defined(__sparc_v9__) && !defined(__sparc_v8plus__) | |
27 | #define TCG_TARGET_REG_BITS 64 | |
28 | #else | |
29 | #define TCG_TARGET_REG_BITS 32 | |
30 | #endif | |
31 | ||
32 | #define TCG_TARGET_WORDS_BIGENDIAN | |
33 | ||
34 | #define TCG_TARGET_NB_REGS 32 | |
35 | ||
36 | enum { | |
37 | TCG_REG_G0 = 0, | |
38 | TCG_REG_G1, | |
39 | TCG_REG_G2, | |
40 | TCG_REG_G3, | |
41 | TCG_REG_G4, | |
42 | TCG_REG_G5, | |
43 | TCG_REG_G6, | |
44 | TCG_REG_G7, | |
45 | TCG_REG_O0, | |
46 | TCG_REG_O1, | |
47 | TCG_REG_O2, | |
48 | TCG_REG_O3, | |
49 | TCG_REG_O4, | |
50 | TCG_REG_O5, | |
51 | TCG_REG_O6, | |
52 | TCG_REG_O7, | |
53 | TCG_REG_L0, | |
54 | TCG_REG_L1, | |
55 | TCG_REG_L2, | |
56 | TCG_REG_L3, | |
57 | TCG_REG_L4, | |
58 | TCG_REG_L5, | |
59 | TCG_REG_L6, | |
60 | TCG_REG_L7, | |
61 | TCG_REG_I0, | |
62 | TCG_REG_I1, | |
63 | TCG_REG_I2, | |
64 | TCG_REG_I3, | |
65 | TCG_REG_I4, | |
66 | TCG_REG_I5, | |
67 | TCG_REG_I6, | |
68 | TCG_REG_I7, | |
69 | }; | |
70 | ||
71 | #define TCG_CT_CONST_S11 0x100 | |
72 | #define TCG_CT_CONST_S13 0x200 | |
73 | ||
74 | /* used for function call generation */ | |
75 | #define TCG_REG_CALL_STACK TCG_REG_O6 | |
76 | #define TCG_TARGET_STACK_ALIGN 16 | |
64e3257c BS |
77 | #ifdef __arch64__ |
78 | #define TCG_TARGET_CALL_STACK_OFFSET 2047 | |
79 | #else | |
80 | #define TCG_TARGET_CALL_STACK_OFFSET 0 | |
81 | #endif | |
8289b279 | 82 | |
b3db8758 BS |
83 | #if defined(__sparc_v9__) && !defined(__sparc_v8plus__) |
84 | #define TCG_TARGET_STACK_MINFRAME 176 | |
85 | #else | |
86 | #define TCG_TARGET_STACK_MINFRAME 92 | |
87 | #endif | |
88 | ||
8289b279 BS |
89 | /* optional instructions */ |
90 | //#define TCG_TARGET_HAS_bswap_i32 | |
91 | //#define TCG_TARGET_HAS_bswap_i64 | |
7d551702 BS |
92 | //#define TCG_TARGET_HAS_neg_i32 |
93 | //#define TCG_TARGET_HAS_neg_i64 | |
8289b279 | 94 | |
b3db8758 | 95 | |
8289b279 BS |
96 | /* Note: must be synced with dyngen-exec.h */ |
97 | #ifdef HOST_SOLARIS | |
98 | #define TCG_AREG0 TCG_REG_G2 | |
99 | #define TCG_AREG1 TCG_REG_G3 | |
100 | #define TCG_AREG2 TCG_REG_G4 | |
101 | #define TCG_AREG3 TCG_REG_G5 | |
102 | #define TCG_AREG4 TCG_REG_G6 | |
103 | #elif defined(__sparc_v9__) | |
104 | #define TCG_AREG0 TCG_REG_G1 | |
105 | #define TCG_AREG1 TCG_REG_G4 | |
106 | #define TCG_AREG2 TCG_REG_G5 | |
107 | #define TCG_AREG3 TCG_REG_G7 | |
108 | #else | |
109 | #define TCG_AREG0 TCG_REG_G6 | |
110 | #define TCG_AREG1 TCG_REG_G1 | |
111 | #define TCG_AREG2 TCG_REG_G2 | |
112 | #define TCG_AREG3 TCG_REG_G3 | |
113 | #endif | |
114 | ||
115 | static inline void flush_icache_range(unsigned long start, unsigned long stop) | |
116 | { | |
117 | unsigned long p; | |
118 | ||
119 | p = start & ~(8UL - 1UL); | |
120 | stop = (stop + (8UL - 1UL)) & ~(8UL - 1UL); | |
121 | ||
122 | for (; p < stop; p += 8) | |
123 | __asm__ __volatile__("flush\t%0" : : "r" (p)); | |
124 | } |