AGESA: Implement EmptyHeap()

Heap allocation begins with BIOS_HEAP_MANAGER, no need to clear
the fields individually.

Change-Id: Ia1af84bd09d1edf8f72223752557d44a96dec6e1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5659
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

10 files changed, 40 insertions, 0 deletions

diff --git a/src/northbridge/amd/agesa/family12/fam12_callouts.c b/src/northbridge/amd/agesa/family12/fam12_callouts.c
index 491f3ce47b..1d55e9584b 100644
--- a/src/northbridge/amd/agesa/family12/fam12_callouts.c
+++ b/src/northbridge/amd/agesa/family12/fam12_callouts.c
@@ -27,6 +27,7 @@
 #include "Hudson-2.h"
 #include <cbmem.h>
 #include <arch/acpi.h>
+#include <string.h>
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 {
@@ -43,6 +44,12 @@ UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 	return heap;
 }
 
+void EmptyHeap(void)
+{
+	void *BiosManagerPtr = (void *) GetHeapBase(NULL);
+	memset(BiosManagerPtr, 0, BIOS_HEAP_SIZE);
+}
+
 AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
 	UINT32              AvailableHeapSize;
diff --git a/src/northbridge/amd/agesa/family12/fam12_callouts.h b/src/northbridge/amd/agesa/family12/fam12_callouts.h
index 387ff303ef..057234239f 100644
--- a/src/northbridge/amd/agesa/family12/fam12_callouts.h
+++ b/src/northbridge/amd/agesa/family12/fam12_callouts.h
@@ -39,6 +39,7 @@ typedef struct _BIOS_BUFFER_NODE {
 } BIOS_BUFFER_NODE;
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
+void EmptyHeap(void);
 
 /* REQUIRED CALLOUTS
  * AGESA ADVANCED CALLOUTS - CPU
diff --git a/src/northbridge/amd/agesa/family14/fam14_callouts.c b/src/northbridge/amd/agesa/family14/fam14_callouts.c
index 6a9830dd1e..301f145c29 100644
--- a/src/northbridge/amd/agesa/family14/fam14_callouts.c
+++ b/src/northbridge/amd/agesa/family14/fam14_callouts.c
@@ -25,6 +25,7 @@
 #include "dimmSpd.h"
 #include <cbmem.h>
 #include <arch/acpi.h>
+#include <string.h>
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 {
@@ -41,6 +42,12 @@ UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 	return heap;
 }
 
+void EmptyHeap(void)
+{
+	void *BiosManagerPtr = (void *) GetHeapBase(NULL);
+	memset(BiosManagerPtr, 0, BIOS_HEAP_SIZE);
+}
+
 AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
 	UINT32              AvailableHeapSize;
diff --git a/src/northbridge/amd/agesa/family14/fam14_callouts.h b/src/northbridge/amd/agesa/family14/fam14_callouts.h
index a1297f752b..1f23cef37f 100755
--- a/src/northbridge/amd/agesa/family14/fam14_callouts.h
+++ b/src/northbridge/amd/agesa/family14/fam14_callouts.h
@@ -40,6 +40,7 @@ typedef struct _BIOS_BUFFER_NODE {
 } BIOS_BUFFER_NODE;
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
+void EmptyHeap(void);
 
 /* REQUIRED CALLOUTS
  * AGESA ADVANCED CALLOUTS - CPU
diff --git a/src/northbridge/amd/agesa/family15/fam15_callouts.c b/src/northbridge/amd/agesa/family15/fam15_callouts.c
index 8f4722029f..fe7c3ed7c9 100644
--- a/src/northbridge/amd/agesa/family15/fam15_callouts.c
+++ b/src/northbridge/amd/agesa/family15/fam15_callouts.c
@@ -27,6 +27,7 @@
 #include <arch/io.h>
 #include <arch/acpi.h>
 #include <cbmem.h>
+#include <string.h>
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 {
@@ -43,6 +44,12 @@ UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 	return heap;
 }
 
+void EmptyHeap(void)
+{
+	void *BiosManagerPtr = (void *) GetHeapBase(NULL);
+	memset(BiosManagerPtr, 0, BIOS_HEAP_SIZE);
+}
+
 AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
 	UINT32              AvailableHeapSize;
diff --git a/src/northbridge/amd/agesa/family15/fam15_callouts.h b/src/northbridge/amd/agesa/family15/fam15_callouts.h
index e5109f4ee0..a43c65092a 100644
--- a/src/northbridge/amd/agesa/family15/fam15_callouts.h
+++ b/src/northbridge/amd/agesa/family15/fam15_callouts.h
@@ -40,6 +40,7 @@ typedef struct _BIOS_BUFFER_NODE {
 } BIOS_BUFFER_NODE;
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
+void EmptyHeap(void);
 
 /* REQUIRED CALLOUTS
  * AGESA ADVANCED CALLOUTS - CPU
diff --git a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c
index 2bc3b37ba6..5f14e82a56 100644
--- a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c
+++ b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c
@@ -28,6 +28,7 @@
 #include "fam15tn_callouts.h"
 #include <cbmem.h>
 #include <arch/acpi.h>
+#include <string.h>
 
 #define AGESA_RUNTIME_SIZE 4096
 
@@ -66,6 +67,12 @@ UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 	return heap;
 }
 
+void EmptyHeap(void)
+{
+	void *BiosManagerPtr = (void *) GetHeapBase(NULL);
+	memset(BiosManagerPtr, 0, BIOS_HEAP_SIZE);
+}
+
 AGESA_STATUS fam15tn_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
 	UINT32              AvailableHeapSize;
diff --git a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h
index 2392570a8b..0070e6f570 100644
--- a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h
+++ b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h
@@ -40,6 +40,7 @@ typedef struct _BIOS_BUFFER_NODE {
 } BIOS_BUFFER_NODE;
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
+void EmptyHeap(void);
 
 AGESA_STATUS fam15tn_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
 AGESA_STATUS fam15tn_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
diff --git a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c
index 8cc300c977..7dada18d10 100644
--- a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c
+++ b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c
@@ -28,6 +28,7 @@
 #include "fam16kb_callouts.h"
 #include <cbmem.h>
 #include <arch/acpi.h>
+#include <string.h>
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 {
@@ -44,6 +45,12 @@ UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
 	return heap;
 }
 
+void EmptyHeap(void)
+{
+	void *BiosManagerPtr = (void *) GetHeapBase(NULL);
+	memset(BiosManagerPtr, 0, BIOS_HEAP_SIZE);
+}
+
 AGESA_STATUS fam16kb_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
 	UINT32              AvailableHeapSize;
diff --git a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h
index 3d4e9792dd..57dd5546e6 100644
--- a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h
+++ b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h
@@ -40,6 +40,7 @@ typedef struct _BIOS_BUFFER_NODE {
 } BIOS_BUFFER_NODE;
 
 UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
+void EmptyHeap(void);
 
 AGESA_STATUS fam16kb_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
 AGESA_STATUS fam16kb_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);