Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into...

[mirror_qemu.git] / include / exec / memory.h

diff --git a/include/exec/memory.h b/include/exec/memory.h
index cd2f209b64efac4ac015258adeb5129485542851..2c5cdffa319f37707d7d4d01a63acadab01274db 100644 (file)
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1254,23 +1254,6 @@ void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize,
  */
 void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client);
 
-/**
- * memory_region_get_dirty: Check whether a range of bytes is dirty
- *                          for a specified client.
- *
- * Checks whether a range of bytes has been written to since the last
- * call to memory_region_reset_dirty() with the same @client.  Dirty logging
- * must be enabled.
- *
- * @mr: the memory region being queried.
- * @addr: the address (relative to the start of the region) being queried.
- * @size: the size of the range being queried.
- * @client: the user of the logging information; %DIRTY_MEMORY_MIGRATION or
- *          %DIRTY_MEMORY_VGA.
- */
-bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
-                             hwaddr size, unsigned client);
-
 /**
  * memory_region_set_dirty: Mark a range of bytes as dirty in a memory region.
  *
@@ -1344,6 +1327,24 @@ bool memory_region_snapshot_get_dirty(MemoryRegion *mr,
 void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
                                hwaddr size, unsigned client);
 
+/**
+ * memory_region_flush_rom_device: Mark a range of pages dirty and invalidate
+ *                                 TBs (for self-modifying code).
+ *
+ * The MemoryRegionOps->write() callback of a ROM device must use this function
+ * to mark byte ranges that have been modified internally, such as by directly
+ * accessing the memory returned by memory_region_get_ram_ptr().
+ *
+ * This function marks the range dirty and invalidates TBs so that TCG can
+ * detect self-modifying code.
+ *
+ * @mr: the region being flushed.
+ * @addr: the start, relative to the start of the region, of the range being
+ *        flushed.
+ * @size: the size, in bytes, of the range being flushed.
+ */
+void memory_region_flush_rom_device(MemoryRegion *mr, hwaddr addr, hwaddr size);
+
 /**
  * memory_region_set_readonly: Turn a memory region read-only (or read-write)
  *
@@ -1702,8 +1703,7 @@ void memory_global_dirty_log_start(void);
  */
 void memory_global_dirty_log_stop(void);
 
-void mtree_info(fprintf_function mon_printf, void *f, bool flatview,
-                bool dispatch_tree, bool owner);
+void mtree_info(bool flatview, bool dispatch_tree, bool owner);
 
 /**
  * memory_region_dispatch_read: perform a read directly to the specified
@@ -1757,6 +1757,16 @@ void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name);
  */
 void address_space_destroy(AddressSpace *as);
 
+/**
+ * address_space_remove_listeners: unregister all listeners of an address space
+ *
+ * Removes all callbacks previously registered with memory_listener_register()
+ * for @as.
+ *
+ * @as: an initialized #AddressSpace
+ */
+void address_space_remove_listeners(AddressSpace *as);
+
 /**
  * address_space_rw: read from or write to an address space.
  *
@@ -1773,7 +1783,7 @@ void address_space_destroy(AddressSpace *as);
  */
 MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
                              MemTxAttrs attrs, uint8_t *buf,
-                             int len, bool is_write);
+                             hwaddr len, bool is_write);
 
 /**
  * address_space_write: write to address space.
@@ -1790,7 +1800,7 @@ MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
  */
 MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
                                 MemTxAttrs attrs,
-                                const uint8_t *buf, int len);
+                                const uint8_t *buf, hwaddr len);
 
 /**
  * address_space_write_rom: write to address space, including ROM.
@@ -1816,7 +1826,7 @@ MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
  */
 MemTxResult address_space_write_rom(AddressSpace *as, hwaddr addr,
                                     MemTxAttrs attrs,
-                                    const uint8_t *buf, int len);
+                                    const uint8_t *buf, hwaddr len);
 
 /* address_space_ld*: load from an address space
  * address_space_st*: store to an address space
@@ -2017,7 +2027,7 @@ static inline MemoryRegion *address_space_translate(AddressSpace *as,
  * @is_write: indicates the transfer direction
  * @attrs: memory attributes
  */
-bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len,
+bool address_space_access_valid(AddressSpace *as, hwaddr addr, hwaddr len,
                                 bool is_write, MemTxAttrs attrs);
 
 /* address_space_map: map a physical memory region into a host virtual address
@@ -2054,19 +2064,19 @@ void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len,
 
 /* Internal functions, part of the implementation of address_space_read.  */
 MemTxResult address_space_read_full(AddressSpace *as, hwaddr addr,
-                                    MemTxAttrs attrs, uint8_t *buf, int len);
+                                    MemTxAttrs attrs, uint8_t *buf, hwaddr len);
 MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
                                    MemTxAttrs attrs, uint8_t *buf,
-                                   int len, hwaddr addr1, hwaddr l,
+                                   hwaddr len, hwaddr addr1, hwaddr l,
                                    MemoryRegion *mr);
 void *qemu_map_ram_ptr(RAMBlock *ram_block, ram_addr_t addr);
 
 /* Internal functions, part of the implementation of address_space_read_cached
  * and address_space_write_cached.  */
 void address_space_read_cached_slow(MemoryRegionCache *cache,
-                                    hwaddr addr, void *buf, int len);
+                                    hwaddr addr, void *buf, hwaddr len);
 void address_space_write_cached_slow(MemoryRegionCache *cache,
-                                     hwaddr addr, const void *buf, int len);
+                                     hwaddr addr, const void *buf, hwaddr len);
 
 static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
 {
@@ -2094,7 +2104,7 @@ static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
 static inline __attribute__((__always_inline__))
 MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
                                MemTxAttrs attrs, uint8_t *buf,
-                               int len)
+                               hwaddr len)
 {
     MemTxResult result = MEMTX_OK;
     hwaddr l, addr1;
@@ -2133,7 +2143,7 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
  */
 static inline void
 address_space_read_cached(MemoryRegionCache *cache, hwaddr addr,
-                          void *buf, int len)
+                          void *buf, hwaddr len)
 {
     assert(addr < cache->len && len <= cache->len - addr);
     if (likely(cache->ptr)) {
@@ -2153,7 +2163,7 @@ address_space_read_cached(MemoryRegionCache *cache, hwaddr addr,
  */
 static inline void
 address_space_write_cached(MemoryRegionCache *cache, hwaddr addr,
-                           void *buf, int len)
+                           void *buf, hwaddr len)
 {
     assert(addr < cache->len && len <= cache->len - addr);
     if (likely(cache->ptr)) {