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1 | #define HOST_REGS 29 |
2 | #define HOST_BTREG 27 |
3 | #define EXCLUDE_REG -1 |
4 | |
5 | #define HOST_IMM8 1 |
6 | #define HAVE_CMOV_IMM 1 |
7 | #define RAM_SIZE 0x200000 |
8 | |
9 | //#define REG_SHIFT 2 |
10 | |
11 | /* calling convention: |
12 | r0 -r17: caller-save |
13 | r19-r29: callee-save */ |
14 | |
15 | #define ARG1_REG 0 |
16 | #define ARG2_REG 1 |
17 | #define ARG3_REG 2 |
18 | #define ARG4_REG 3 |
19 | |
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20 | #define SP 30 |
21 | |
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22 | #define LR 30 |
23 | #define HOST_TEMPREG LR |
24 | |
25 | // Note: FP is set to &dynarec_local when executing generated code. |
26 | // Thus the local variables are actually global and not on the stack. |
27 | #define FP 29 |
28 | #define rFP x29 |
29 | |
30 | #define HOST_CCREG 28 |
31 | #define rCC w28 |
32 | |
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33 | // stack space |
34 | #define SSP_CALLEE_REGS (8*12) |
35 | #define SSP_CALLER_REGS (8*20) |
36 | #define SSP_ALL (SSP_CALLEE_REGS+SSP_CALLER_REGS) |
37 | |
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38 | #ifndef __ASSEMBLER__ |
39 | |
40 | extern char *invc_ptr; |
41 | |
42 | #define TARGET_SIZE_2 24 // 2^24 = 16 megabytes |
43 | |
44 | // Code generator target address |
45 | #if defined(BASE_ADDR_DYNAMIC) |
46 | // for platforms that can't just use .bss buffer (are there any on arm64?) |
47 | extern u_char *translation_cache; |
48 | #else |
49 | // using a static buffer in .bss |
50 | extern u_char translation_cache[1 << TARGET_SIZE_2]; |
51 | #endif |
52 | |
53 | #endif // !__ASSEMBLY__ |