root / tcg / ppc / tcg-target.h @ caa88be0
History | View | Annotate | Download (2.8 kB)
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_PPC 1 |
25 |
|
26 |
#define TCG_TARGET_REG_BITS 32 |
27 |
#define TCG_TARGET_WORDS_BIGENDIAN
|
28 |
#define TCG_TARGET_NB_REGS 32 |
29 |
|
30 |
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 |
}; |
64 |
|
65 |
/* used for function call generation */
|
66 |
#define TCG_REG_CALL_STACK TCG_REG_R1
|
67 |
#define TCG_TARGET_STACK_ALIGN 16 |
68 |
#define TCG_TARGET_CALL_STACK_OFFSET 8 |
69 |
#define TCG_TARGET_CALL_ALIGN_ARGS 1 |
70 |
|
71 |
/* optional instructions */
|
72 |
#define TCG_TARGET_HAS_neg_i32
|
73 |
#define TCG_TARGET_HAS_div_i32
|
74 |
|
75 |
#define TCG_AREG0 TCG_REG_R27
|
76 |
#define TCG_AREG1 TCG_REG_R24
|
77 |
#define TCG_AREG2 TCG_REG_R25
|
78 |
#define TCG_AREG3 TCG_REG_R26
|
79 |
|
80 |
/* taken directly from tcg-dyngen.c */
|
81 |
#define MIN_CACHE_LINE_SIZE 8 /* conservative value */ |
82 |
|
83 |
static inline void flush_icache_range(unsigned long start, unsigned long stop) |
84 |
{ |
85 |
unsigned long p; |
86 |
|
87 |
start &= ~(MIN_CACHE_LINE_SIZE - 1);
|
88 |
stop = (stop + MIN_CACHE_LINE_SIZE - 1) & ~(MIN_CACHE_LINE_SIZE - 1); |
89 |
|
90 |
for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
|
91 |
asm volatile ("dcbst 0,%0" : : "r"(p) : "memory"); |
92 |
} |
93 |
asm volatile ("sync" : : : "memory"); |
94 |
for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
|
95 |
asm volatile ("icbi 0,%0" : : "r"(p) : "memory"); |
96 |
} |
97 |
asm volatile ("sync" : : : "memory"); |
98 |
asm volatile ("isync" : : : "memory"); |
99 |
} |