xen: add xenstore watcher infrastructure

[qemu.git] / exec.c

diff --git a/exec.c b/exec.c
index bb6170dbffe18aaae1709a50a9d14e5322f870f6..895449f926134358dd7296238c51517dbb172ea6 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -94,7 +94,8 @@ int target_page_bits;
 bool target_page_bits_decided;
 #endif
 
-struct CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
+CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
+
 /* current CPU in the current thread. It is only valid inside
    cpu_exec() */
 __thread CPUState *current_cpu;
@@ -3388,8 +3389,12 @@ enum write_rom_type {
     FLUSH_CACHE,
 };
 
-static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as,
-    hwaddr addr, const uint8_t *buf, int len, enum write_rom_type type)
+static inline MemTxResult address_space_write_rom_internal(AddressSpace *as,
+                                                           hwaddr addr,
+                                                           MemTxAttrs attrs,
+                                                           const uint8_t *buf,
+                                                           int len,
+                                                           enum write_rom_type type)
 {
     hwaddr l;
     uint8_t *ptr;
@@ -3399,8 +3404,7 @@ static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as,
     rcu_read_lock();
     while (len > 0) {
         l = len;
-        mr = address_space_translate(as, addr, &addr1, &l, true,
-                                     MEMTXATTRS_UNSPECIFIED);
+        mr = address_space_translate(as, addr, &addr1, &l, true, attrs);
 
         if (!(memory_region_is_ram(mr) ||
               memory_region_is_romd(mr))) {
@@ -3423,13 +3427,16 @@ static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as,
         addr += l;
     }
     rcu_read_unlock();
+    return MEMTX_OK;
 }
 
 /* used for ROM loading : can write in RAM and ROM */
-void cpu_physical_memory_write_rom(AddressSpace *as, hwaddr addr,
-                                   const uint8_t *buf, int len)
+MemTxResult address_space_write_rom(AddressSpace *as, hwaddr addr,
+                                    MemTxAttrs attrs,
+                                    const uint8_t *buf, int len)
 {
-    cpu_physical_memory_write_rom_internal(as, addr, buf, len, WRITE_DATA);
+    return address_space_write_rom_internal(as, addr, attrs,
+                                            buf, len, WRITE_DATA);
 }
 
 void cpu_flush_icache_range(hwaddr start, int len)
@@ -3444,8 +3451,9 @@ void cpu_flush_icache_range(hwaddr start, int len)
         return;
     }
 
-    cpu_physical_memory_write_rom_internal(&address_space_memory,
-                                           start, NULL, len, FLUSH_CACHE);
+    address_space_write_rom_internal(&address_space_memory,
+                                     start, MEMTXATTRS_UNSPECIFIED,
+                                     NULL, len, FLUSH_CACHE);
 }
 
 typedef struct {
@@ -3464,7 +3472,7 @@ typedef struct MapClient {
 } MapClient;
 
 QemuMutex map_client_list_lock;
-static QLIST_HEAD(map_client_list, MapClient) map_client_list
+static QLIST_HEAD(, MapClient) map_client_list
     = QLIST_HEAD_INITIALIZER(map_client_list);
 
 static void cpu_unregister_map_client_do(MapClient *client)
@@ -3873,8 +3881,9 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
             l = len;
         phys_addr += (addr & ~TARGET_PAGE_MASK);
         if (is_write) {
-            cpu_physical_memory_write_rom(cpu->cpu_ases[asidx].as,
-                                          phys_addr, buf, l);
+            address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr,
+                                    MEMTXATTRS_UNSPECIFIED,
+                                    buf, l);
         } else {
             address_space_rw(cpu->cpu_ases[asidx].as, phys_addr,
                              MEMTXATTRS_UNSPECIFIED,