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smooth out split_region related code

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This commit is contained in:
Chris Eagle
2015-09-03 12:26:36 -07:00
parent 6ca85a72ed
commit 2da46caef7
5 changed files with 35 additions and 45 deletions
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11
qemu/memory.c
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@ -47,6 +47,7 @@ MemoryRegion *memory_map(struct uc_struct *uc, ram_addr_t begin, size_t size, ui
void memory_unmap(struct uc_struct *uc, MemoryRegion *mr)
{
int i;
target_ulong addr;
//make sure all pages associated with the MemoryRegion are flushed
for (addr = mr->addr; addr < mr->end; addr += uc->target_page_size) {
@ -54,6 +55,16 @@ void memory_unmap(struct uc_struct *uc, MemoryRegion *mr)
}
mr->enabled = false;
memory_region_del_subregion(get_system_memory(uc), mr);
for (i = 0; i < uc->mapped_block_count; i++) {
if (uc->mapped_blocks[i] == mr) {
uc->mapped_block_count--;
//shift remainder of array down over deleted pointer
memcpy(&uc->mapped_blocks[i], &uc->mapped_blocks[i + 1], sizeof(MemoryRegion*) * (uc->mapped_block_count - i));
break;
}
}
g_free(mr);
}