| #ifndef __TIMER__H |
| #define __TIMER__H |
| |
| |
| |
| #define MEM_MTIME_MASK 0xF0000000 |
| #define MEM_MTIME_CTRL 0x0C490000 |
| #define MEM_MTIME_DIV 0x0C490004 |
| #define MEM_MTIME 0x0C490008 |
| #define MEM_MTIMEH 0x0C49000C |
| #define MEM_MTIMECMP 0x0C490010 |
| #define MEM_MTIMECMPH 0x0C490014 |
| |
| #define TMP t0 |
| #define TMP2 t1 |
| #define TMP3 t2 |
| |
| // Reset |
| .macro _reset_mtime |
| li TMP, MEM_MTIME |
| sw zero, 0(TMP) |
| sw zero, 4(TMP) |
| .endm |
| |
| .macro _reset_mtimecmp |
| li TMP, MEM_MTIMECMP |
| not TMP2, zero |
| sw TMP2, 0(TMP) |
| sw TMP2, 4(TMP) |
| .endm |
| |
| // Write |
| .macro _write_mtime_ctrl reg |
| li TMP, MEM_MTIME_CTRL |
| sw \reg, 0(TMP) |
| .endm |
| |
| .macro _write_mtime_div reg |
| li TMP, MEM_MTIME_DIV |
| sw \reg, 0(TMP) |
| .endm |
| |
| .macro _write_mtimecmp_32 reg |
| li TMP, MEM_MTIMECMP |
| li TMP2, -1 |
| sw TMP2, 0(TMP) |
| sw zero, 4(TMP) |
| sw \reg, 0(TMP) |
| .endm |
| |
| .macro _write_mtime reg |
| li TMP, MEM_MTIME |
| sw \reg, 0(TMP) |
| .endm |
| |
| .macro _read_mtime reg |
| li TMP, MEM_MTIME |
| lw \reg, 0(TMP) |
| .endm |
| |
| // Read |
| .macro _read_mtimecmp reg |
| li TMP, MEM_MTIMECMP |
| lw \reg, 0(TMP) |
| .endm |
| |
| .macro _read_mtime_ctrl reg |
| li TMP, MEM_MTIME_CTRL |
| lw \reg, 0(TMP) |
| .endm |
| |
| .macro _read_mtime_div reg |
| li TMP, MEM_MTIME_DIV |
| lw \reg, 0(TMP) |
| .endm |
| |
| // Misc |
| .macro _run_timer |
| li TMP, MEM_MTIME_CTRL |
| lw TMP2, 0(TMP) |
| li TMP3, (1 << YCR1_MTIME_CTRL_EN) |
| or TMP2, TMP2, TMP3 |
| sw TMP2, 0(TMP) |
| .endm |
| |
| .macro _stop_timer |
| li TMP, MEM_MTIME_CTRL |
| lw TMP2, 0(TMP) |
| li TMP3, (1 << YCR1_MTIME_CTRL_EN) |
| not TMP3, TMP3 |
| and TMP2, TMP2, TMP3 |
| sw TMP2, 0(TMP) |
| .endm |
| |
| |
| |
| #endif // #ifndef __TIMER__H |
