libqos: Split apart pc_alloc_init

Move the list-specific initialization over into
malloc.c, to keep all of the list implementation
details within the same file.

The allocation and freeing of these structures are
now both back within the same layer.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-2-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

3 files changed, 22 insertions, 16 deletions

diff --git a/tests/libqos/malloc-pc.c b/tests/libqos/malloc-pc.c
index c9c48fd..36a0740 100644
--- a/tests/libqos/malloc-pc.c
+++ b/tests/libqos/malloc-pc.c
@@ -32,31 +32,19 @@ void pc_alloc_uninit(QGuestAllocator *allocator)
 
 QGuestAllocator *pc_alloc_init_flags(QAllocOpts flags)
 {
-    QGuestAllocator *s = g_malloc0(sizeof(*s));
+    QGuestAllocator *s;
     uint64_t ram_size;
     QFWCFG *fw_cfg = pc_fw_cfg_init();
-    MemBlock *node;
-
-    s->opts = flags;
-    s->page_size = PAGE_SIZE;
 
     ram_size = qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE);
+    s = alloc_init(1 << 20, MIN(ram_size, 0xE0000000));
 
-    /* Start at 1MB */
-    s->start = 1 << 20;
-
-    /* Respect PCI hole */
-    s->end = MIN(ram_size, 0xE0000000);
+    s->opts = flags;
+    s->page_size = PAGE_SIZE;
 
     /* clean-up */
     g_free(fw_cfg);
 
-    QTAILQ_INIT(&s->used);
-    QTAILQ_INIT(&s->free);
-
-    node = mlist_new(s->start, s->end - s->start);
-    QTAILQ_INSERT_HEAD(&s->free, node, MLIST_ENTNAME);
-
     return s;
 }
 
diff --git a/tests/libqos/malloc.c b/tests/libqos/malloc.c
index 5debf18..0d34ecd 100644
--- a/tests/libqos/malloc.c
+++ b/tests/libqos/malloc.c
@@ -268,3 +268,20 @@ void guest_free(QGuestAllocator *allocator, uint64_t addr)
         mlist_check(allocator);
     }
 }
+
+QGuestAllocator *alloc_init(uint64_t start, uint64_t end)
+{
+    QGuestAllocator *s = g_malloc0(sizeof(*s));
+    MemBlock *node;
+
+    s->start = start;
+    s->end = end;
+
+    QTAILQ_INIT(&s->used);
+    QTAILQ_INIT(&s->free);
+
+    node = mlist_new(s->start, s->end - s->start);
+    QTAILQ_INSERT_HEAD(&s->free, node, MLIST_ENTNAME);
+
+    return s;
+}
diff --git a/tests/libqos/malloc.h b/tests/libqos/malloc.h
index 465efeb..677db77 100644
--- a/tests/libqos/malloc.h
+++ b/tests/libqos/malloc.h
@@ -50,4 +50,5 @@ void alloc_uninit(QGuestAllocator *allocator);
 uint64_t guest_alloc(QGuestAllocator *allocator, size_t size);
 void guest_free(QGuestAllocator *allocator, uint64_t addr);
 
+QGuestAllocator *alloc_init(uint64_t start, uint64_t end);
 #endif