libgralloc: bring back pmem support

pmem is now legacy. ion is default, override with TARGET_USES_PMEM:=true

Change-Id: I05c95647838eb1613ddf80a9f672c2b93dc035f8

libgralloc/Android.mk

@@ -50,9 +50,16 @@ LOCAL_PRELINK_MODULE := false
 LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)
 LOCAL_C_INCLUDES := hardware/qcom/display/libqdutils
 LOCAL_SHARED_LIBRARIES := liblog libcutils libutils
-LOCAL_SRC_FILES :=  ionalloc.cpp alloc_controller.cpp
+LOCAL_SRC_FILES := alloc_controller.cpp
 LOCAL_CFLAGS:= -DLOG_TAG=\"memalloc\"
-LOCAL_CFLAGS += -DUSE_ION
 LOCAL_MODULE := libmemalloc
 LOCAL_MODULE_TAGS := optional
+ifeq ($(TARGET_USES_PMEM),true)
+    LOCAL_SRC_FILES +=  pmemalloc.cpp \
+                        ashmemalloc.cpp \
+                        pmem_bestfit_alloc.cpp
+else
+    LOCAL_CFLAGS += -DUSE_ION
+    LOCAL_SRC_FILES +=  ionalloc.cpp
+endif
 include $(BUILD_SHARED_LIBRARY)

libgralloc/alloc_controller.cpp

@@ -33,9 +33,12 @@
 #include "gralloc_priv.h"
 #include "alloc_controller.h"
 #include "memalloc.h"
+#ifdef USE_ION
 #include "ionalloc.h"
+#else
 #include "pmemalloc.h"
 #include "ashmemalloc.h"
+#endif
 #include "gr.h"
 #include "comptype.h"
 
@@ -105,6 +108,7 @@ sp<IAllocController> IAllocController::getInstance(bool useMasterHeap)
 }
 
 
+#ifdef USE_ION
 //-------------- IonController-----------------------//
 IonController::IonController()
 {
@@ -191,10 +195,10 @@ sp<IMemAlloc> IonController::getAllocator(int flags)
 
     return memalloc;
 }
+#endif
 
 //-------------- PmemKernelController-----------------------//
-//XXX: Remove - we're not using pmem anymore
-#if 0
+#ifndef USE_ION
 PmemKernelController::PmemKernelController()
 {
     mPmemAdspAlloc = new PmemKernelAlloc(DEVICE_PMEM_ADSP);

libgralloc/pmem_bestfit_alloc.cpp

@@ -164,7 +164,7 @@ SimpleBestFitAllocator::chunk_t* SimpleBestFitAllocator::dealloc(size_t start)
     chunk_t* cur = mList.head();
     while (cur) {
         if (cur->start == start) {
-            ALOG_FATAL_IF(cur->free,
+            LOG_FATAL_IF(cur->free,
                           "block at offset 0x%08lX of size 0x%08lX already freed",
                           cur->start*kMemoryAlign, cur->size*kMemoryAlign);
 
@@ -183,7 +183,7 @@ SimpleBestFitAllocator::chunk_t* SimpleBestFitAllocator::dealloc(size_t start)
                 cur = n;
             } while (cur && cur->free);
 
-            ALOG_FATAL_IF(!freed->free,
+            LOG_FATAL_IF(!freed->free,
                           "freed block at offset 0x%08lX of size 0x%08lX is not free!",
                           freed->start * kMemoryAlign, freed->size * kMemoryAlign);