root / tcg / ppc / tcg-target.h @ caa88be0
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1 | 2662e13f | bellard | /*
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2 | 2662e13f | bellard | * Tiny Code Generator for QEMU
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3 | 2662e13f | bellard | *
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4 | 2662e13f | bellard | * Copyright (c) 2008 Fabrice Bellard
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5 | 2662e13f | bellard | *
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6 | 2662e13f | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 2662e13f | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 2662e13f | bellard | * in the Software without restriction, including without limitation the rights
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9 | 2662e13f | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 2662e13f | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 2662e13f | bellard | * furnished to do so, subject to the following conditions:
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12 | 2662e13f | bellard | *
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13 | 2662e13f | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 2662e13f | bellard | * all copies or substantial portions of the Software.
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15 | 2662e13f | bellard | *
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16 | 2662e13f | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 2662e13f | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 2662e13f | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 2662e13f | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 2662e13f | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 2662e13f | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 2662e13f | bellard | * THE SOFTWARE.
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23 | 2662e13f | bellard | */
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24 | 2662e13f | bellard | #define TCG_TARGET_PPC 1 |
25 | 2662e13f | bellard | |
26 | 2662e13f | bellard | #define TCG_TARGET_REG_BITS 32 |
27 | 2662e13f | bellard | #define TCG_TARGET_WORDS_BIGENDIAN
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28 | 2662e13f | bellard | #define TCG_TARGET_NB_REGS 32 |
29 | 2662e13f | bellard | |
30 | 2662e13f | bellard | enum {
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31 | 2662e13f | bellard | TCG_REG_R0 = 0,
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32 | 2662e13f | bellard | TCG_REG_R1, |
33 | 2662e13f | bellard | TCG_REG_R2, |
34 | 2662e13f | bellard | TCG_REG_R3, |
35 | 2662e13f | bellard | TCG_REG_R4, |
36 | 2662e13f | bellard | TCG_REG_R5, |
37 | 2662e13f | bellard | TCG_REG_R6, |
38 | 2662e13f | bellard | TCG_REG_R7, |
39 | 2662e13f | bellard | TCG_REG_R8, |
40 | 2662e13f | bellard | TCG_REG_R9, |
41 | 2662e13f | bellard | TCG_REG_R10, |
42 | 2662e13f | bellard | TCG_REG_R11, |
43 | 2662e13f | bellard | TCG_REG_R12, |
44 | 2662e13f | bellard | TCG_REG_R13, |
45 | 2662e13f | bellard | TCG_REG_R14, |
46 | 2662e13f | bellard | TCG_REG_R15, |
47 | 2662e13f | bellard | TCG_REG_R16, |
48 | 2662e13f | bellard | TCG_REG_R17, |
49 | 2662e13f | bellard | TCG_REG_R18, |
50 | 2662e13f | bellard | TCG_REG_R19, |
51 | 2662e13f | bellard | TCG_REG_R20, |
52 | 2662e13f | bellard | TCG_REG_R21, |
53 | 2662e13f | bellard | TCG_REG_R22, |
54 | 2662e13f | bellard | TCG_REG_R23, |
55 | 2662e13f | bellard | TCG_REG_R24, |
56 | 2662e13f | bellard | TCG_REG_R25, |
57 | 2662e13f | bellard | TCG_REG_R26, |
58 | 2662e13f | bellard | TCG_REG_R27, |
59 | 2662e13f | bellard | TCG_REG_R28, |
60 | 2662e13f | bellard | TCG_REG_R29, |
61 | 2662e13f | bellard | TCG_REG_R30, |
62 | 2662e13f | bellard | TCG_REG_R31 |
63 | 2662e13f | bellard | }; |
64 | 2662e13f | bellard | |
65 | 2662e13f | bellard | /* used for function call generation */
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66 | 2662e13f | bellard | #define TCG_REG_CALL_STACK TCG_REG_R1
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67 | 2662e13f | bellard | #define TCG_TARGET_STACK_ALIGN 16 |
68 | 2662e13f | bellard | #define TCG_TARGET_CALL_STACK_OFFSET 8 |
69 | 2662e13f | bellard | #define TCG_TARGET_CALL_ALIGN_ARGS 1 |
70 | 2662e13f | bellard | |
71 | 2662e13f | bellard | /* optional instructions */
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72 | 2662e13f | bellard | #define TCG_TARGET_HAS_neg_i32
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73 | 77b73de6 | malc | #define TCG_TARGET_HAS_div_i32
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74 | 2662e13f | bellard | |
75 | 2662e13f | bellard | #define TCG_AREG0 TCG_REG_R27
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76 | 2662e13f | bellard | #define TCG_AREG1 TCG_REG_R24
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77 | 2662e13f | bellard | #define TCG_AREG2 TCG_REG_R25
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78 | 2662e13f | bellard | #define TCG_AREG3 TCG_REG_R26
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79 | 2662e13f | bellard | |
80 | 2662e13f | bellard | /* taken directly from tcg-dyngen.c */
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81 | 2662e13f | bellard | #define MIN_CACHE_LINE_SIZE 8 /* conservative value */ |
82 | 2662e13f | bellard | |
83 | 2662e13f | bellard | static inline void flush_icache_range(unsigned long start, unsigned long stop) |
84 | 2662e13f | bellard | { |
85 | 2662e13f | bellard | unsigned long p; |
86 | 2662e13f | bellard | |
87 | 2662e13f | bellard | start &= ~(MIN_CACHE_LINE_SIZE - 1);
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88 | 2662e13f | bellard | stop = (stop + MIN_CACHE_LINE_SIZE - 1) & ~(MIN_CACHE_LINE_SIZE - 1); |
89 | 2662e13f | bellard | |
90 | 2662e13f | bellard | for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
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91 | 2662e13f | bellard | asm volatile ("dcbst 0,%0" : : "r"(p) : "memory"); |
92 | 2662e13f | bellard | } |
93 | 2662e13f | bellard | asm volatile ("sync" : : : "memory"); |
94 | 2662e13f | bellard | for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
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95 | 2662e13f | bellard | asm volatile ("icbi 0,%0" : : "r"(p) : "memory"); |
96 | 2662e13f | bellard | } |
97 | 2662e13f | bellard | asm volatile ("sync" : : : "memory"); |
98 | 2662e13f | bellard | asm volatile ("isync" : : : "memory"); |
99 | 2662e13f | bellard | } |