| 1 | #ifndef __SH2_H__\r |
| 2 | #define __SH2_H__\r |
| 3 | \r |
| 4 | typedef struct\r |
| 5 | {\r |
| 6 | unsigned int r[16]; // 00\r |
| 7 | unsigned int pc; // 40\r |
| 8 | unsigned int ppc;\r |
| 9 | unsigned int pr;\r |
| 10 | unsigned int sr;\r |
| 11 | unsigned int gbr, vbr; // 50\r |
| 12 | unsigned int mach, macl; // 58\r |
| 13 | \r |
| 14 | // interpreter stuff\r |
| 15 | int icount; // 60 cycles left in current timeslice\r |
| 16 | unsigned int ea;\r |
| 17 | unsigned int delay;\r |
| 18 | unsigned int test_irq;\r |
| 19 | \r |
| 20 | // common\r |
| 21 | const void *read8_map; // 70\r |
| 22 | const void *read16_map;\r |
| 23 | const void **write8_tab;\r |
| 24 | const void **write16_tab;\r |
| 25 | \r |
| 26 | // drc stuff\r |
| 27 | //void **pc_hashtab; // 80\r |
| 28 | \r |
| 29 | int pending_level; // MAX(pending_irl, pending_int_irq)\r |
| 30 | int pending_irl;\r |
| 31 | int pending_int_irq; // internal irq\r |
| 32 | int pending_int_vector;\r |
| 33 | void (*irq_callback)(int id, int level);\r |
| 34 | int is_slave;\r |
| 35 | \r |
| 36 | unsigned int cycles_aim; // subtract sh2_icount to get global counter\r |
| 37 | unsigned int cycles_done;\r |
| 38 | } SH2;\r |
| 39 | \r |
| 40 | extern SH2 *sh2; // active sh2\r |
| 41 | \r |
| 42 | int sh2_init(SH2 *sh2, int is_slave);\r |
| 43 | void sh2_finish(SH2 *sh2);\r |
| 44 | void sh2_reset(SH2 *sh2);\r |
| 45 | void sh2_irl_irq(SH2 *sh2, int level);\r |
| 46 | void sh2_internal_irq(SH2 *sh2, int level, int vector);\r |
| 47 | void sh2_do_irq(SH2 *sh2, int level, int vector);\r |
| 48 | \r |
| 49 | void sh2_execute(SH2 *sh2, int cycles);\r |
| 50 | \r |
| 51 | // pico memhandlers\r |
| 52 | // XXX: move somewhere else\r |
| 53 | unsigned int p32x_sh2_read8(unsigned int a, SH2 *sh2);\r |
| 54 | unsigned int p32x_sh2_read16(unsigned int a, SH2 *sh2);\r |
| 55 | unsigned int p32x_sh2_read32(unsigned int a, SH2 *sh2);\r |
| 56 | void p32x_sh2_write8(unsigned int a, unsigned int d, SH2 *sh2);\r |
| 57 | void p32x_sh2_write16(unsigned int a, unsigned int d, SH2 *sh2);\r |
| 58 | void p32x_sh2_write32(unsigned int a, unsigned int d, SH2 *sh2);\r |
| 59 | \r |
| 60 | #endif /* __SH2_H__ */\r |