dma: Fix stupid typo/thinko

[qemu.git] / exec-obsolete.h

diff --git a/exec-obsolete.h b/exec-obsolete.h
index f8af27ed1a80f9ded38c5cfe5470ff0d74ea8baa..c09925610d0ddc6c6bfdc2482e92310e137dbd40 100644 (file)
--- a/exec-obsolete.h
+++ b/exec-obsolete.h
@@ -6,8 +6,8 @@
  * Authors:
  *  Avi Kivity <avi@redhat.com>
  *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later.  See the COPYING file in the top-level directory.
  *
  */
 
@@ -32,12 +32,9 @@ void qemu_ram_free(ram_addr_t addr);
 void qemu_ram_free_from_ptr(ram_addr_t addr);
 
 struct MemoryRegion;
-int cpu_register_io_memory(MemoryRegion *mr);
-void cpu_unregister_io_memory(int table_address);
-
 struct MemoryRegionSection;
 void cpu_register_physical_memory_log(struct MemoryRegionSection *section,
-                                      bool readable, bool readonly);
+                                      bool readonly);
 
 void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
 void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
@@ -48,51 +45,92 @@ int cpu_physical_memory_set_dirty_tracking(int enable);
 #define CODE_DIRTY_FLAG      0x02
 #define MIGRATION_DIRTY_FLAG 0x08
 
+static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
+{
+    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
+}
+
 /* read dirty bit (return 0 or 1) */
 static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
 {
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] == 0xff;
+    return cpu_physical_memory_get_dirty_flags(addr) == 0xff;
 }
 
-static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
+static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
+                                                ram_addr_t length,
+                                                int dirty_flags)
 {
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
+    int ret = 0;
+    ram_addr_t addr, end;
+
+    end = TARGET_PAGE_ALIGN(start + length);
+    start &= TARGET_PAGE_MASK;
+    for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
+        ret |= cpu_physical_memory_get_dirty_flags(addr) & dirty_flags;
+    }
+    return ret;
 }
 
-static inline int cpu_physical_memory_get_dirty(ram_addr_t addr,
-                                                int dirty_flags)
+static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
+                                                      int dirty_flags)
 {
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags;
+    if ((dirty_flags & MIGRATION_DIRTY_FLAG) &&
+        !cpu_physical_memory_get_dirty(addr, TARGET_PAGE_SIZE,
+                                       MIGRATION_DIRTY_FLAG)) {
+        ram_list.dirty_pages++;
+    }
+    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
 }
 
 static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
 {
-    ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] = 0xff;
+    cpu_physical_memory_set_dirty_flags(addr, 0xff);
 }
 
-static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
-                                                      int dirty_flags)
+static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr,
+                                                        int dirty_flags)
 {
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
+    int mask = ~dirty_flags;
+
+    if ((dirty_flags & MIGRATION_DIRTY_FLAG) &&
+        cpu_physical_memory_get_dirty(addr, TARGET_PAGE_SIZE,
+                                      MIGRATION_DIRTY_FLAG)) {
+        ram_list.dirty_pages--;
+    }
+    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
+}
+
+static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
+                                                       ram_addr_t length,
+                                                       int dirty_flags)
+{
+    ram_addr_t addr, end;
+
+    end = TARGET_PAGE_ALIGN(start + length);
+    start &= TARGET_PAGE_MASK;
+    for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
+        cpu_physical_memory_set_dirty_flags(addr, dirty_flags);
+    }
 }
 
 static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
-                                                        int length,
+                                                        ram_addr_t length,
                                                         int dirty_flags)
 {
-    int i, mask, len;
-    uint8_t *p;
-
-    len = length >> TARGET_PAGE_BITS;
-    mask = ~dirty_flags;
-    p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
-    for (i = 0; i < len; i++) {
-        p[i] &= mask;
+    ram_addr_t addr, end;
+
+    end = TARGET_PAGE_ALIGN(start + length);
+    start &= TARGET_PAGE_MASK;
+    for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
+        cpu_physical_memory_clear_dirty_flags(addr, dirty_flags);
     }
 }
 
 void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
                                      int dirty_flags);
+
+extern const IORangeOps memory_region_iorange_ops;
+
 #endif
 
 #endif