Revision b7e95164
| b/exec.c | ||
|---|---|---|
| 154 | 154 |
return ret; |
| 155 | 155 |
} |
| 156 | 156 |
|
| 157 |
static void phys_map_nodes_reset(void) |
|
| 158 |
{
|
|
| 159 |
phys_map_nodes_nb = 0; |
|
| 160 |
} |
|
| 161 |
|
|
| 162 |
|
|
| 163 | 157 |
static void phys_page_set_level(PhysPageEntry *lp, hwaddr *index, |
| 164 | 158 |
hwaddr *nb, uint16_t leaf, |
| 165 | 159 |
int level) |
| ... | ... | |
| 755 | 749 |
uint16_t section); |
| 756 | 750 |
static subpage_t *subpage_init(AddressSpace *as, hwaddr base); |
| 757 | 751 |
|
| 758 |
static void destroy_l2_mapping(PhysPageEntry *lp, unsigned level) |
|
| 759 |
{
|
|
| 760 |
unsigned i; |
|
| 761 |
PhysPageEntry *p; |
|
| 762 |
|
|
| 763 |
if (lp->ptr == PHYS_MAP_NODE_NIL) {
|
|
| 764 |
return; |
|
| 765 |
} |
|
| 766 |
|
|
| 767 |
p = phys_map_nodes[lp->ptr]; |
|
| 768 |
for (i = 0; i < L2_SIZE; ++i) {
|
|
| 769 |
if (!p[i].is_leaf) {
|
|
| 770 |
destroy_l2_mapping(&p[i], level - 1); |
|
| 771 |
} |
|
| 772 |
} |
|
| 773 |
lp->is_leaf = 0; |
|
| 774 |
lp->ptr = PHYS_MAP_NODE_NIL; |
|
| 775 |
} |
|
| 776 |
|
|
| 777 |
static void destroy_all_mappings(AddressSpaceDispatch *d) |
|
| 778 |
{
|
|
| 779 |
destroy_l2_mapping(&d->phys_map, P_L2_LEVELS - 1); |
|
| 780 |
phys_map_nodes_reset(); |
|
| 781 |
} |
|
| 782 |
|
|
| 783 | 752 |
static uint16_t phys_section_add(MemoryRegionSection *section) |
| 784 | 753 |
{
|
| 785 | 754 |
/* The physical section number is ORed with a page-aligned |
| ... | ... | |
| 812 | 781 |
MemoryRegionSection *section = &phys_sections[--phys_sections_nb]; |
| 813 | 782 |
phys_section_destroy(section->mr); |
| 814 | 783 |
} |
| 784 |
phys_map_nodes_nb = 0; |
|
| 815 | 785 |
} |
| 816 | 786 |
|
| 817 | 787 |
static void register_subpage(AddressSpaceDispatch *d, MemoryRegionSection *section) |
| ... | ... | |
| 1716 | 1686 |
{
|
| 1717 | 1687 |
AddressSpaceDispatch *d = container_of(listener, AddressSpaceDispatch, listener); |
| 1718 | 1688 |
|
| 1719 |
destroy_all_mappings(d); |
|
| 1720 | 1689 |
d->phys_map.ptr = PHYS_MAP_NODE_NIL; |
| 1721 | 1690 |
} |
| 1722 | 1691 |
|
| ... | ... | |
| 1783 | 1752 |
AddressSpaceDispatch *d = as->dispatch; |
| 1784 | 1753 |
|
| 1785 | 1754 |
memory_listener_unregister(&d->listener); |
| 1786 |
destroy_l2_mapping(&d->phys_map, P_L2_LEVELS - 1); |
|
| 1787 | 1755 |
g_free(d); |
| 1788 | 1756 |
as->dispatch = NULL; |
| 1789 | 1757 |
} |
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