| 1 | /* |
| 2 | * tb-flush prototype for use by the rest of the system. |
| 3 | * |
| 4 | * Copyright (c) 2022 Linaro Ltd |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | #ifndef _TB_FLUSH_H_ |
| 9 | #define _TB_FLUSH_H_ |
| 10 | |
| 11 | /** |
| 12 | * tb_flush__exclusive_or_serial() |
| 13 | * |
| 14 | * Used to flush all the translation blocks in the system. Mostly this is |
| 15 | * used to empty the code generation buffer after it is full. Sometimes it |
| 16 | * is used when it is simpler to flush everything than work out which |
| 17 | * individual translations are now invalid. |
| 18 | * |
| 19 | * Must be called from an exclusive or serial context, e.g. start_exclusive, |
| 20 | * vm_stop, or when there is only one vcpu. Note that start_exclusive cannot |
| 21 | * be called from within the cpu run loop, so this cannot be called from |
| 22 | * within target code. |
| 23 | */ |
| 24 | void tb_flush__exclusive_or_serial(void); |
| 25 | |
| 26 | /** |
| 27 | * queue_tb_flush() - add flush to the cpu work queue |
| 28 | * @cs: CPUState |
| 29 | * |
| 30 | * Flush all translation blocks the next time @cs processes the work queue. |
| 31 | * This should generally be followed by cpu_loop_exit(), so that the work |
| 32 | * queue is processed promptly. |
| 33 | */ |
| 34 | void queue_tb_flush(CPUState *cs); |
| 35 | |
| 36 | void tcg_flush_jmp_cache(CPUState *cs); |
| 37 | |
| 38 | #endif /* _TB_FLUSH_H_ */ |