| 1 | #define HOST_REGS 13 |
| 2 | #define HOST_CCREG 10 |
| 3 | #define HOST_BTREG 8 |
| 4 | #define EXCLUDE_REG 11 |
| 5 | |
| 6 | #define HOST_IMM8 1 |
| 7 | #define HAVE_CMOV_IMM 1 |
| 8 | #define HAVE_CONDITIONAL_CALL 1 |
| 9 | #define RAM_SIZE 0x200000 |
| 10 | |
| 11 | /* ARM calling convention: |
| 12 | r0-r3, r12: caller-save |
| 13 | r4-r11: callee-save */ |
| 14 | |
| 15 | /* GCC register naming convention: |
| 16 | r10 = sl (base) |
| 17 | r11 = fp (frame pointer) |
| 18 | r12 = ip (scratch) |
| 19 | r13 = sp (stack pointer) |
| 20 | r14 = lr (link register) |
| 21 | r15 = pc (program counter) */ |
| 22 | |
| 23 | #define FP 11 |
| 24 | #define LR 14 |
| 25 | #define HOST_TEMPREG 14 |
| 26 | |
| 27 | // Note: FP is set to &dynarec_local when executing generated code. |
| 28 | // Thus the local variables are actually global and not on the stack. |
| 29 | |
| 30 | extern char *invc_ptr; |
| 31 | |
| 32 | #define TARGET_SIZE_2 24 // 2^24 = 16 megabytes |
| 33 | |
| 34 | // Code generator target address |
| 35 | #if defined(BASE_ADDR_FIXED) |
| 36 | // "round" address helpful for debug |
| 37 | // this produces best code, but not many platforms allow it, |
| 38 | // only use if you are sure this range is always free |
| 39 | #define BASE_ADDR_ 0x1000000 |
| 40 | #define translation_cache (u_char *)BASE_ADDR_ |
| 41 | #elif defined(BASE_ADDR_DYNAMIC) |
| 42 | // for platforms that can't just use .bss buffer, like vita |
| 43 | // otherwise better to use the next option for closer branches |
| 44 | extern u_char *translation_cache; |
| 45 | #else |
| 46 | // using a static buffer in .bss |
| 47 | extern u_char translation_cache[1 << TARGET_SIZE_2]; |
| 48 | #endif |