#include "exec/target_page.h"
#include "tcg.h"
#include "hw/qdev-core.h"
+#include "hw/qdev-properties.h"
#if !defined(CONFIG_USER_ONLY)
#include "hw/boards.h"
#include "hw/xen/xen.h"
{
IOMMUTLBEntry iotlb;
MemoryRegionSection *section;
- MemoryRegion *mr;
+ IOMMUMemoryRegion *iommu_mr;
+ IOMMUMemoryRegionClass *imrc;
for (;;) {
AddressSpaceDispatch *d = atomic_rcu_read(&as->dispatch);
section = address_space_translate_internal(d, addr, &addr, plen, is_mmio);
- mr = section->mr;
- if (!mr->iommu_ops) {
+ iommu_mr = memory_region_get_iommu(section->mr);
+ if (!iommu_mr) {
break;
}
+ imrc = memory_region_get_iommu_class_nocheck(iommu_mr);
- iotlb = mr->iommu_ops->translate(mr, addr, is_write ?
- IOMMU_WO : IOMMU_RO);
+ iotlb = imrc->translate(iommu_mr, addr, is_write ?
+ IOMMU_WO : IOMMU_RO);
addr = ((iotlb.translated_addr & ~iotlb.addr_mask)
| (addr & iotlb.addr_mask));
*plen = MIN(*plen, (addr | iotlb.addr_mask) - addr + 1);
section = address_space_translate_internal(d, addr, xlat, plen, false);
- assert(!section->mr->iommu_ops);
+ assert(!memory_region_is_iommu(section->mr));
return section;
}
#endif
}
}
+Property cpu_common_props[] = {
+#ifndef CONFIG_USER_ONLY
+ /* Create a memory property for softmmu CPU object,
+ * so users can wire up its memory. (This can't go in qom/cpu.c
+ * because that file is compiled only once for both user-mode
+ * and system builds.) The default if no link is set up is to use
+ * the system address space.
+ */
+ DEFINE_PROP_LINK("memory", CPUState, memory, TYPE_MEMORY_REGION,
+ MemoryRegion *),
+#endif
+ DEFINE_PROP_END_OF_LIST(),
+};
+
void cpu_exec_initfn(CPUState *cpu)
{
cpu->as = NULL;
#ifndef CONFIG_USER_ONLY
cpu->thread_id = qemu_get_thread_id();
-
- /* This is a softmmu CPU object, so create a property for it
- * so users can wire up its memory. (This can't go in qom/cpu.c
- * because that file is compiled only once for both user-mode
- * and system builds.) The default if no link is set up is to use
- * the system address space.
- */
- object_property_add_link(OBJECT(cpu), "memory", TYPE_MEMORY_REGION,
- (Object **)&cpu->memory,
- qdev_prop_allow_set_link_before_realize,
- OBJ_PROP_LINK_UNREF_ON_RELEASE,
- &error_abort);
cpu->memory = system_memory;
object_ref(OBJECT(cpu->memory));
#endif
#endif
}
+#if defined(CONFIG_USER_ONLY)
static void breakpoint_invalidate(CPUState *cpu, target_ulong pc)
{
- /* Flush the whole TB as this will not have race conditions
- * even if we don't have proper locking yet.
- * Ideally we would just invalidate the TBs for the
- * specified PC.
- */
- tb_flush(cpu);
+ mmap_lock();
+ tb_lock();
+ tb_invalidate_phys_page_range(pc, pc + 1, 0);
+ tb_unlock();
+ mmap_unlock();
+}
+#else
+static void breakpoint_invalidate(CPUState *cpu, target_ulong pc)
+{
+ MemTxAttrs attrs;
+ hwaddr phys = cpu_get_phys_page_attrs_debug(cpu, pc, &attrs);
+ int asidx = cpu_asidx_from_attrs(cpu, attrs);
+ if (phys != -1) {
+ /* Locks grabbed by tb_invalidate_phys_addr */
+ tb_invalidate_phys_addr(cpu->cpu_ases[asidx].as,
+ phys | (pc & ~TARGET_PAGE_MASK));
+ }
}
+#endif
#if defined(CONFIG_USER_ONLY)
void cpu_watchpoint_remove_all(CPUState *cpu, int mask)
* Called within RCU critical section.
*/
static void *qemu_ram_ptr_length(RAMBlock *ram_block, ram_addr_t addr,
- hwaddr *size)
+ hwaddr *size, bool lock)
{
RAMBlock *block = ram_block;
if (*size == 0) {
* In that case just map the requested area.
*/
if (block->offset == 0) {
- return xen_map_cache(addr, *size, 1, true);
+ return xen_map_cache(addr, *size, lock, lock);
}
- block->host = xen_map_cache(block->offset, block->max_length, 1, true);
+ block->host = xen_map_cache(block->offset, block->max_length, 1, lock);
}
return ramblock_ptr(block, addr);
}
} else {
/* RAM case */
- ptr = qemu_ram_ptr_length(mr->ram_block, addr1, &l);
+ ptr = qemu_ram_ptr_length(mr->ram_block, addr1, &l, false);
memcpy(ptr, buf, l);
invalidate_and_set_dirty(mr, addr1, l);
}
}
} else {
/* RAM case */
- ptr = qemu_ram_ptr_length(mr->ram_block, addr1, &l);
+ ptr = qemu_ram_ptr_length(mr->ram_block, addr1, &l, false);
memcpy(buf, ptr, l);
}
memory_region_ref(mr);
*plen = address_space_extend_translation(as, addr, len, mr, xlat, l, is_write);
- ptr = qemu_ram_ptr_length(mr->ram_block, xlat, plen);
+ ptr = qemu_ram_ptr_length(mr->ram_block, xlat, plen, true);
rcu_read_unlock();
return ptr;