diff options
| -rw-r--r-- | xen-all.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/xen-all.c b/xen-all.c index 75a82c28fb..fe75ddd833 100644 --- a/xen-all.c +++ b/xen-all.c @@ -215,6 +215,7 @@ static int xen_add_to_physmap(XenIOState *state, int rc = 0; XenPhysmap *physmap = NULL; target_phys_addr_t pfn, start_gpfn; + RAMBlock *block; if (get_physmapping(state, start_addr, size)) { return 0; @@ -223,6 +224,19 @@ static int xen_add_to_physmap(XenIOState *state, return -1; } + /* Xen can only handle a single dirty log region for now and we want + * the linear framebuffer to be that region. + * Avoid tracking any regions that is not videoram and avoid tracking + * the legacy vga region. */ + QLIST_FOREACH(block, &ram_list.blocks, next) { + if (!strcmp(block->idstr, "vga.vram") && block->offset == phys_offset + && start_addr > 0xbffff) { + goto go_physmap; + } + } + return -1; + +go_physmap: DPRINTF("mapping vram to %llx - %llx, from %llx\n", start_addr, start_addr + size, phys_offset); |