diff options
Diffstat (limited to 'include/exec/memory.h')
| -rw-r--r-- | include/exec/memory.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index cd2f209b64..abe9cc79c0 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1345,6 +1345,24 @@ void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr, hwaddr size, unsigned client); /** + * memory_region_flush_rom_device: Mark a range of pages dirty and invalidate + * TBs (for self-modifying code). + * + * The MemoryRegionOps->write() callback of a ROM device must use this function + * to mark byte ranges that have been modified internally, such as by directly + * accessing the memory returned by memory_region_get_ram_ptr(). + * + * This function marks the range dirty and invalidates TBs so that TCG can + * detect self-modifying code. + * + * @mr: the region being flushed. + * @addr: the start, relative to the start of the region, of the range being + * flushed. + * @size: the size, in bytes, of the range being flushed. + */ +void memory_region_flush_rom_device(MemoryRegion *mr, hwaddr addr, hwaddr size); + +/** * memory_region_set_readonly: Turn a memory region read-only (or read-write) * * Allows a memory region to be marked as read-only (turning it into a ROM). |