sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

AGESA: Use common heap allocator

Browse Source 
Change-Id: I5df1f0efdef2592b762fe391edaadbca4593e85a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5689
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Kyösti Mälkki
2014-05-04 11:42:55 +03:00
parent 6025efa347
commit ef9343cac1
33 changed files with 437 additions and 1736 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/cpu/amd/agesa/Makefile.inc
View File

@ -26,3 +26,6 @@ subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY16_KB) += family16kb
romstage-$(CONFIG_HAVE_ACPI_RESUME) += s3_resume.c romstage-$(CONFIG_HAVE_ACPI_RESUME) += s3_resume.c
ramstage-$(CONFIG_HAVE_ACPI_RESUME) += s3_resume.c ramstage-$(CONFIG_HAVE_ACPI_RESUME) += s3_resume.c
cpu_incs += $(src)/cpu/amd/agesa/cache_as_ram.inc cpu_incs += $(src)/cpu/amd/agesa/cache_as_ram.inc
romstage-y += heapmanager.c
ramstage-y += heapmanager.c

342
src/cpu/amd/agesa/heapmanager.c Normal file
View File

@ -0,0 +1,342 @@
#include "agesawrapper.h"
#include "amdlib.h"
#include "northbridge/amd/agesa/def_callouts.h"
#include "heapManager.h"
#include <cbmem.h>
#include <arch/acpi.h>
#include <string.h>
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
#if CONFIG_HAVE_ACPI_RESUME
/* Both romstage and ramstage has this S3 detect. */
if (acpi_get_sleep_type() == 3)
heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
(CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
/* himem_heap_base + high_stack_size */
#endif
return heap;
}
void EmptyHeap(void)
{
void *BiosManagerPtr = (void *) GetHeapBase(NULL);
memset(BiosManagerPtr, 0, BIOS_HEAP_SIZE);
}
#if CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN
#define AGESA_RUNTIME_SIZE 4096
static AGESA_STATUS alloc_cbmem(AGESA_BUFFER_PARAMS *AllocParams) {
static unsigned int used = 0;
void *p = cbmem_find(CBMEM_ID_AGESA_RUNTIME);
if ((AGESA_RUNTIME_SIZE - used) < AllocParams->BufferLength) {
return AGESA_BOUNDS_CHK;
}
/* first time allocation */
if (!p) {
p = cbmem_add(CBMEM_ID_AGESA_RUNTIME, AGESA_RUNTIME_SIZE);
if (!p)
return AGESA_BOUNDS_CHK;
}
AllocParams->BufferPointer = p + used;
used += AllocParams->BufferLength;
return AGESA_SUCCESS;
}
#endif
AGESA_STATUS agesa_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AvailableHeapSize;
UINT8 *BiosHeapBaseAddr;
UINT32 CurrNodeOffset;
UINT32 PrevNodeOffset;
UINT32 FreedNodeOffset;
UINT32 BestFitNodeOffset;
UINT32 BestFitPrevNodeOffset;
UINT32 NextFreeOffset;
BIOS_BUFFER_NODE *CurrNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *BestFitNodePtr;
BIOS_BUFFER_NODE *BestFitPrevNodePtr;
BIOS_BUFFER_NODE *NextFreePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
AllocParams->BufferPointer = NULL;
#if CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN
/* if the allocation is for runtime use simple CBMEM data */
if (Data == HEAP_CALLOUT_RUNTIME)
return alloc_cbmem(AllocParams);
#endif
AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
/* First allocation */
CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
CurrNodePtr->BufferSize = AllocParams->BufferLength;
CurrNodePtr->NextNodeOffset = 0;
AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
/* Update the remaining free space */
FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
FreedNodePtr->NextNodeOffset = 0;
/* Update the offsets for Allocated and Freed nodes */
BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
} else {
/* Find out whether BufferHandle has been allocated on the heap.
* If it has, return AGESA_BOUNDS_CHK.
*/
CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
while (CurrNodeOffset != 0) {
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
return AGESA_BOUNDS_CHK;
}
CurrNodeOffset = CurrNodePtr->NextNodeOffset;
/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
* to the end of the allocated nodes list.
*/
}
/* Find the node that best fits the requested buffer size */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
PrevNodeOffset = FreedNodeOffset;
BestFitNodeOffset = 0;
BestFitPrevNodeOffset = 0;
while (FreedNodeOffset != 0) {
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
if (BestFitNodeOffset == 0) {
/* First node that fits the requested buffer size */
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
} else {
/* Find out whether current node is a better fit than the previous nodes */
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
}
}
}
PrevNodeOffset = FreedNodeOffset;
FreedNodeOffset = FreedNodePtr->NextNodeOffset;
} /* end of while loop */
if (BestFitNodeOffset == 0) {
/* If we could not find a node that fits the requested buffer
* size, return AGESA_BOUNDS_CHK.
*/
return AGESA_BOUNDS_CHK;
} else {
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
/* If BestFitNode is larger than the requested buffer, fragment the node further */
if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
} else {
/* Otherwise, next free node is NextNodeOffset of BestFitNode */
NextFreeOffset = BestFitNodePtr->NextNodeOffset;
}
/* If BestFitNode is the first buffer in the list, then update
* StartOfFreedNodes to reflect the new free node.
*/
if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
} else {
BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
}
/* Add BestFitNode to the list of Allocated nodes */
CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
BestFitNodePtr->BufferSize = AllocParams->BufferLength;
BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
BestFitNodePtr->NextNodeOffset = 0;
/* Remove BestFitNode from list of Freed nodes */
AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS agesa_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT8 *BiosHeapBaseAddr;
UINT32 AllocNodeOffset;
UINT32 PrevNodeOffset;
UINT32 NextNodeOffset;
UINT32 FreedNodeOffset;
UINT32 EndNodeOffset;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_BUFFER_NODE *PrevNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *NextNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
/* Find target node to deallocate in list of allocated nodes.
* Return AGESA_BOUNDS_CHK if the BufferHandle is not found.
*/
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
PrevNodeOffset = AllocNodeOffset;
while (AllocNodePtr->BufferHandle != AllocParams->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
return AGESA_BOUNDS_CHK;
}
PrevNodeOffset = AllocNodeOffset;
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
/* Remove target node from list of allocated nodes */
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
/* Zero out the buffer, and clear the BufferHandle */
LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
AllocNodePtr->BufferHandle = 0;
AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
/* Add deallocated node in order to the list of freed nodes */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
if (AllocNodeOffset < FreedNodeOffset) {
/* Add to the start of the freed list */
if (EndNodeOffset == FreedNodeOffset) {
/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
/* Clear the BufferSize and NextNodeOffset of the previous first node */
FreedNodePtr->BufferSize = 0;
FreedNodePtr->NextNodeOffset = 0;
} else {
/* Otherwise, add freed node to the start of the list
* Update NextNodeOffset and BufferSize to include the
* size of BIOS_BUFFER_NODE.
*/
AllocNodePtr->NextNodeOffset = FreedNodeOffset;
}
/* Update StartOfFreedNodes to the new first node */
BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
} else {
/* Traverse list of freed nodes to find where the deallocated node
* should be placed.
*/
NextNodeOffset = FreedNodeOffset;
NextNodePtr = FreedNodePtr;
while (AllocNodeOffset > NextNodeOffset) {
PrevNodeOffset = NextNodeOffset;
if (NextNodePtr->NextNodeOffset == 0) {
break;
}
NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
}
/* If deallocated node is adjacent to the next node,
* concatenate both nodes.
*/
if (NextNodeOffset == EndNodeOffset) {
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr->BufferSize = 0;
NextNodePtr->NextNodeOffset = 0;
} else {
/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
AllocNodePtr->NextNodeOffset = NextNodeOffset;
}
/* If deallocated node is adjacent to the previous node,
* concatenate both nodes.
*/
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
if (AllocNodeOffset == EndNodeOffset) {
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
AllocNodePtr->BufferSize = 0;
AllocNodePtr->NextNodeOffset = 0;
} else {
PrevNodePtr->NextNodeOffset = AllocNodeOffset;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS agesa_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AllocNodeOffset;
UINT8 *BiosHeapBaseAddr;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
AllocParams->BufferPointer = NULL;
AllocParams->BufferLength = 0;
return AGESA_BOUNDS_CHK;
} else {
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
}
AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
AllocParams->BufferLength = AllocNodePtr->BufferSize;
return AGESA_SUCCESS;
}

6
src/mainboard/amd/dinar/BiosCallOuts.c
View File

@ -91,9 +91,9 @@ static AGESA_STATUS board_ReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr);
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer}, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer},
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, board_ReadSpd }, {AGESA_READ_SPD, board_ReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/inagua/BiosCallOuts.c
View File

@ -30,9 +30,9 @@ static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *Conf
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/olivehill/BiosCallOuts.c
View File

@ -32,9 +32,9 @@
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, fam16kb_AllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, fam16kb_DeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, fam16kb_LocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_READ_SPD, fam16kb_ReadSpd }, {AGESA_READ_SPD, fam16kb_ReadSpd },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/parmer/BiosCallOuts.c
View File

@ -32,9 +32,9 @@
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, fam15tn_AllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, fam15tn_DeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, fam15tn_LocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_READ_SPD, fam15tn_ReadSpd },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/persimmon/BiosCallOuts.c
View File

@ -30,9 +30,9 @@ static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *Conf
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/south_station/BiosCallOuts.c
View File

@ -30,9 +30,9 @@ static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *Conf
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/thatcher/BiosCallOuts.c
View File

@ -32,9 +32,9 @@
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, fam15tn_AllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, fam15tn_DeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, fam15tn_LocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_READ_SPD, fam15tn_ReadSpd },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/torpedo/BiosCallOuts.c
View File

@ -43,9 +43,9 @@ static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *Conf
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/amd/union_station/BiosCallOuts.c
View File

@ -30,9 +30,9 @@ static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *Conf
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/asrock/e350m1/BiosCallOuts.c
View File

@ -35,9 +35,9 @@ static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *Config
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/asrock/imb-a180/BiosCallOuts.c
View File

@ -30,9 +30,9 @@
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, fam16kb_AllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, fam16kb_DeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, fam16kb_LocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_READ_SPD, fam16kb_ReadSpd }, {AGESA_READ_SPD, fam16kb_ReadSpd },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/asus/f2a85-m/BiosCallOuts.c
View File

@ -27,9 +27,9 @@
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, fam15tn_AllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, fam15tn_DeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, fam15tn_LocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_READ_SPD, fam15tn_ReadSpd },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/gizmosphere/gizmo/BiosCallOuts.c
View File

@ -36,9 +36,9 @@ static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *Config
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd_from_cbfs }, {AGESA_READ_SPD, BiosReadSpd_from_cbfs },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c
View File

@ -28,9 +28,9 @@
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, fam15tn_AllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, fam15tn_DeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, fam15tn_LocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_READ_SPD, fam15tn_ReadSpd },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/jetway/nf81-t56n-lf/BiosCallOuts.c
View File

@ -32,9 +32,9 @@ static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *Config
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/lippert/frontrunner-af/BiosCallOuts.c
View File

@ -33,9 +33,9 @@ static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *Config
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/lippert/toucan-af/BiosCallOuts.c
View File

@ -34,9 +34,9 @@ static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *Config
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, BiosReadSpd }, {AGESA_READ_SPD, BiosReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/supermicro/h8qgi/BiosCallOuts.c
View File

@ -76,9 +76,9 @@ static AGESA_STATUS board_ReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr);
#include <stdlib.h> #include <stdlib.h>
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, board_ReadSpd }, {AGESA_READ_SPD, board_ReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/supermicro/h8scm/BiosCallOuts.c
View File

@ -30,9 +30,9 @@ static AGESA_STATUS board_ReadSpd (UINT32 Func,UINT32 Data, VOID *ConfigPtr);
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, board_ReadSpd }, {AGESA_READ_SPD, board_ReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

6
src/mainboard/tyan/s8226/BiosCallOuts.c
View File

@ -84,9 +84,9 @@ static AGESA_STATUS board_ReadSpd (UINT32 Func,UINT32 Data, VOID *ConfigPtr);
const BIOS_CALLOUT_STRUCT BiosCallouts[] = const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{ {
{AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
{AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
{AGESA_LOCATE_BUFFER, BiosLocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
{AGESA_DO_RESET, agesa_Reset }, {AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, board_ReadSpd }, {AGESA_READ_SPD, board_ReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },

32
src/northbridge/amd/agesa/def_callouts.h
View File

@ -25,6 +25,38 @@
#include "Porting.h" #include "Porting.h"
#include "AGESA.h" #include "AGESA.h"
#if CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN || CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY16_KB
#define BIOS_HEAP_START_ADDRESS 0x010000000
#define BIOS_HEAP_SIZE 0x30000
#define BSP_STACK_BASE_ADDR 0x30000
#else
#define BIOS_HEAP_START_ADDRESS 0x10000 /* HEAP during cold boot */
#define BIOS_HEAP_SIZE 0x20000
#define BSP_STACK_BASE_ADDR 0x30000
#endif
typedef struct _BIOS_HEAP_MANAGER {
UINT32 StartOfAllocatedNodes;
UINT32 StartOfFreedNodes;
} BIOS_HEAP_MANAGER;
typedef struct _BIOS_BUFFER_NODE {
UINT32 BufferHandle;
UINT32 BufferSize;
UINT32 NextNodeOffset;
} BIOS_BUFFER_NODE;
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
void EmptyHeap(void);
AGESA_STATUS agesa_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS agesa_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS agesa_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS agesa_NoopUnsupported (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS agesa_NoopUnsupported (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS agesa_NoopSuccess (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS agesa_NoopSuccess (UINT32 Func, UINT32 Data, VOID *ConfigPtr);

306
src/northbridge/amd/agesa/family12/fam12_callouts.c
View File

@ -25,312 +25,6 @@
#include "OptionsIds.h" #include "OptionsIds.h"
#include "heapManager.h" #include "heapManager.h"
#include "Hudson-2.h" #include "Hudson-2.h"
#include <cbmem.h>
#include <arch/acpi.h>
#include <string.h>
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
#if CONFIG_HAVE_ACPI_RESUME
/* Both romstage and ramstage has this S3 detect. */
if (acpi_get_sleep_type() == 3)
heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
(CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
/* himem_heap_base + high_stack_size */
#endif
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;
UINT8 *BiosHeapBaseAddr;
UINT32 CurrNodeOffset;
UINT32 PrevNodeOffset;
UINT32 FreedNodeOffset;
UINT32 BestFitNodeOffset;
UINT32 BestFitPrevNodeOffset;
UINT32 NextFreeOffset;
BIOS_BUFFER_NODE *CurrNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *BestFitNodePtr;
BIOS_BUFFER_NODE *BestFitPrevNodePtr;
BIOS_BUFFER_NODE *NextFreePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
AllocParams->BufferPointer = NULL;
AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
/* First allocation */
CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
CurrNodePtr->BufferSize = AllocParams->BufferLength;
CurrNodePtr->NextNodeOffset = 0;
AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
/* Update the remaining free space */
FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
FreedNodePtr->NextNodeOffset = 0;
/* Update the offsets for Allocated and Freed nodes */
BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
} else {
/* Find out whether BufferHandle has been allocated on the heap. */
/* If it has, return AGESA_BOUNDS_CHK */
CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
while (CurrNodeOffset != 0) {
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
return AGESA_BOUNDS_CHK;
}
CurrNodeOffset = CurrNodePtr->NextNodeOffset;
/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
to the end of the allocated nodes list.
*/
}
/* Find the node that best fits the requested buffer size */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
PrevNodeOffset = FreedNodeOffset;
BestFitNodeOffset = 0;
BestFitPrevNodeOffset = 0;
while (FreedNodeOffset != 0) {
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
if (BestFitNodeOffset == 0) {
/* First node that fits the requested buffer size */
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
} else {
/* Find out whether current node is a better fit than the previous nodes */
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
}
}
}
PrevNodeOffset = FreedNodeOffset;
FreedNodeOffset = FreedNodePtr->NextNodeOffset;
} /* end of while loop */
if (BestFitNodeOffset == 0) {
/* If we could not find a node that fits the requested buffer */
/* size, return AGESA_BOUNDS_CHK */
return AGESA_BOUNDS_CHK;
} else {
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
/* If BestFitNode is larger than the requested buffer, fragment the node further */
if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
} else {
/* Otherwise, next free node is NextNodeOffset of BestFitNode */
NextFreeOffset = BestFitNodePtr->NextNodeOffset;
}
/* If BestFitNode is the first buffer in the list, then update
StartOfFreedNodes to reflect the new free node
*/
if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
} else {
BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
}
/* Add BestFitNode to the list of Allocated nodes */
CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
BestFitNodePtr->BufferSize = AllocParams->BufferLength;
BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
BestFitNodePtr->NextNodeOffset = 0;
/* Remove BestFitNode from list of Freed nodes */
AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT8 *BiosHeapBaseAddr;
UINT32 AllocNodeOffset;
UINT32 PrevNodeOffset;
UINT32 NextNodeOffset;
UINT32 FreedNodeOffset;
UINT32 EndNodeOffset;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_BUFFER_NODE *PrevNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *NextNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
/* Find target node to deallocate in list of allocated nodes.
Return AGESA_BOUNDS_CHK if the BufferHandle is not found
*/
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
PrevNodeOffset = AllocNodeOffset;
while (AllocNodePtr->BufferHandle != AllocParams->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
return AGESA_BOUNDS_CHK;
}
PrevNodeOffset = AllocNodeOffset;
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
/* Remove target node from list of allocated nodes */
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
/* Zero out the buffer, and clear the BufferHandle */
LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
AllocNodePtr->BufferHandle = 0;
AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
/* Add deallocated node in order to the list of freed nodes */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
if (AllocNodeOffset < FreedNodeOffset) {
/* Add to the start of the freed list */
if (EndNodeOffset == FreedNodeOffset) {
/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
/* Clear the BufferSize and NextNodeOffset of the previous first node */
FreedNodePtr->BufferSize = 0;
FreedNodePtr->NextNodeOffset = 0;
} else {
/* Otherwise, add freed node to the start of the list
Update NextNodeOffset and BufferSize to include the
size of BIOS_BUFFER_NODE
*/
AllocNodePtr->NextNodeOffset = FreedNodeOffset;
}
/* Update StartOfFreedNodes to the new first node */
BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
} else {
/* Traverse list of freed nodes to find where the deallocated node
should be place
*/
NextNodeOffset = FreedNodeOffset;
NextNodePtr = FreedNodePtr;
while (AllocNodeOffset > NextNodeOffset) {
PrevNodeOffset = NextNodeOffset;
if (NextNodePtr->NextNodeOffset == 0) {
break;
}
NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
}
/* If deallocated node is adjacent to the next node,
concatenate both nodes
*/
if (NextNodeOffset == EndNodeOffset) {
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr->BufferSize = 0;
NextNodePtr->NextNodeOffset = 0;
} else {
/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
AllocNodePtr->NextNodeOffset = NextNodeOffset;
}
/* If deallocated node is adjacent to the previous node,
concatenate both nodes
*/
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
if (AllocNodeOffset == EndNodeOffset) {
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
AllocNodePtr->BufferSize = 0;
AllocNodePtr->NextNodeOffset = 0;
} else {
PrevNodePtr->NextNodeOffset = AllocNodeOffset;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AllocNodeOffset;
UINT8 *BiosHeapBaseAddr;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
AllocParams->BufferPointer = NULL;
AllocParams->BufferLength = 0;
return AGESA_BOUNDS_CHK;
} else {
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
}
AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
AllocParams->BufferLength = AllocNodePtr->BufferSize;
return AGESA_SUCCESS;
}
AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)

25
src/northbridge/amd/agesa/family12/fam12_callouts.h
View File

@ -23,33 +23,8 @@
#include "Porting.h" #include "Porting.h"
#include "AGESA.h" #include "AGESA.h"
#define BIOS_HEAP_START_ADDRESS 0x10000 /* HEAP during cold boot */
#define BIOS_HEAP_SIZE 0x20000
#define BSP_STACK_BASE_ADDR 0x30000
typedef struct _BIOS_HEAP_MANAGER {
UINT32 StartOfAllocatedNodes;
UINT32 StartOfFreedNodes;
} BIOS_HEAP_MANAGER;
typedef struct _BIOS_BUFFER_NODE {
UINT32 BufferHandle;
UINT32 BufferSize;
UINT32 NextNodeOffset;
} BIOS_BUFFER_NODE;
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
void EmptyHeap(void);
/* REQUIRED CALLOUTS
* AGESA ADVANCED CALLOUTS - CPU
*/
AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
/* AGESA ADVANCED CALLOUTS - MEMORY */ /* AGESA ADVANCED CALLOUTS - MEMORY */
AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr); AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr);
#endif /* CALLOUTS_AMD_AGESA_FAM12_H */ #endif /* CALLOUTS_AMD_AGESA_FAM12_H */

308
src/northbridge/amd/agesa/family14/fam14_callouts.c
View File

@ -23,314 +23,6 @@
#include "heapManager.h" #include "heapManager.h"
#include "SB800.h" #include "SB800.h"
#include "dimmSpd.h" #include "dimmSpd.h"
#include <cbmem.h>
#include <arch/acpi.h>
#include <string.h>
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
#if CONFIG_HAVE_ACPI_RESUME
/* Both romstage and ramstage has this S3 detect. */
if (acpi_get_sleep_type() == 3)
heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
(CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
/* himem_heap_base + high_stack_size */
#endif
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;
UINT8 *BiosHeapBaseAddr;
UINT32 CurrNodeOffset;
UINT32 PrevNodeOffset;
UINT32 FreedNodeOffset;
UINT32 BestFitNodeOffset;
UINT32 BestFitPrevNodeOffset;
UINT32 NextFreeOffset;
BIOS_BUFFER_NODE *CurrNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *BestFitNodePtr;
BIOS_BUFFER_NODE *BestFitPrevNodePtr;
BIOS_BUFFER_NODE *NextFreePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
AllocParams->BufferPointer = NULL;
AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
printk(BIOS_SPEW, "%s BiosHeapBaseAddr: %x\n", __func__, (u32) BiosHeapBaseAddr);
if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
/* First allocation */
CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
CurrNodePtr->BufferSize = AllocParams->BufferLength;
CurrNodePtr->NextNodeOffset = 0;
AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
/* Update the remaining free space */
FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
FreedNodePtr->NextNodeOffset = 0;
/* Update the offsets for Allocated and Freed nodes */
BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
} else {
/* Find out whether BufferHandle has been allocated on the heap. */
/* If it has, return AGESA_BOUNDS_CHK */
CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
while (CurrNodeOffset != 0) {
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
return AGESA_BOUNDS_CHK;
}
CurrNodeOffset = CurrNodePtr->NextNodeOffset;
/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
to the end of the allocated nodes list.
*/
}
/* Find the node that best fits the requested buffer size */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
PrevNodeOffset = FreedNodeOffset;
BestFitNodeOffset = 0;
BestFitPrevNodeOffset = 0;
while (FreedNodeOffset != 0) {
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
if (BestFitNodeOffset == 0) {
/* First node that fits the requested buffer size */
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
} else {
/* Find out whether current node is a better fit than the previous nodes */
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
}
}
}
PrevNodeOffset = FreedNodeOffset;
FreedNodeOffset = FreedNodePtr->NextNodeOffset;
} /* end of while loop */
if (BestFitNodeOffset == 0) {
/* If we could not find a node that fits the requested buffer */
/* size, return AGESA_BOUNDS_CHK */
return AGESA_BOUNDS_CHK;
} else {
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
/* If BestFitNode is larger than the requested buffer, fragment the node further */
if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
} else {
/* Otherwise, next free node is NextNodeOffset of BestFitNode */
NextFreeOffset = BestFitNodePtr->NextNodeOffset;
}
/* If BestFitNode is the first buffer in the list, then update
StartOfFreedNodes to reflect the new free node
*/
if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
} else {
BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
}
/* Add BestFitNode to the list of Allocated nodes */
CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
BestFitNodePtr->BufferSize = AllocParams->BufferLength;
BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
BestFitNodePtr->NextNodeOffset = 0;
/* Remove BestFitNode from list of Freed nodes */
AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT8 *BiosHeapBaseAddr;
UINT32 AllocNodeOffset;
UINT32 PrevNodeOffset;
UINT32 NextNodeOffset;
UINT32 FreedNodeOffset;
UINT32 EndNodeOffset;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_BUFFER_NODE *PrevNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *NextNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
/* Find target node to deallocate in list of allocated nodes.
Return AGESA_BOUNDS_CHK if the BufferHandle is not found
*/
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
PrevNodeOffset = AllocNodeOffset;
while (AllocNodePtr->BufferHandle != AllocParams->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
return AGESA_BOUNDS_CHK;
}
PrevNodeOffset = AllocNodeOffset;
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
/* Remove target node from list of allocated nodes */
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
/* Zero out the buffer, and clear the BufferHandle */
LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
AllocNodePtr->BufferHandle = 0;
AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
/* Add deallocated node in order to the list of freed nodes */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
if (AllocNodeOffset < FreedNodeOffset) {
/* Add to the start of the freed list */
if (EndNodeOffset == FreedNodeOffset) {
/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
/* Clear the BufferSize and NextNodeOffset of the previous first node */
FreedNodePtr->BufferSize = 0;
FreedNodePtr->NextNodeOffset = 0;
} else {
/* Otherwise, add freed node to the start of the list
Update NextNodeOffset and BufferSize to include the
size of BIOS_BUFFER_NODE
*/
AllocNodePtr->NextNodeOffset = FreedNodeOffset;
}
/* Update StartOfFreedNodes to the new first node */
BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
} else {
/* Traverse list of freed nodes to find where the deallocated node
should be place
*/
NextNodeOffset = FreedNodeOffset;
NextNodePtr = FreedNodePtr;
while (AllocNodeOffset > NextNodeOffset) {
PrevNodeOffset = NextNodeOffset;
if (NextNodePtr->NextNodeOffset == 0) {
break;
}
NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
}
/* If deallocated node is adjacent to the next node,
concatenate both nodes
*/
if (NextNodeOffset == EndNodeOffset) {
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr->BufferSize = 0;
NextNodePtr->NextNodeOffset = 0;
} else {
/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
AllocNodePtr->NextNodeOffset = NextNodeOffset;
}
/* If deallocated node is adjacent to the previous node,
concatenate both nodes
*/
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
if (AllocNodeOffset == EndNodeOffset) {
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
AllocNodePtr->BufferSize = 0;
AllocNodePtr->NextNodeOffset = 0;
} else {
PrevNodePtr->NextNodeOffset = AllocNodeOffset;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AllocNodeOffset;
UINT8 *BiosHeapBaseAddr;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
AllocParams->BufferPointer = NULL;
AllocParams->BufferLength = 0;
return AGESA_BOUNDS_CHK;
} else {
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
}
AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
AllocParams->BufferLength = AllocNodePtr->BufferSize;
return AGESA_SUCCESS;
}

25
src/northbridge/amd/agesa/family14/fam14_callouts.h
View File

@ -24,31 +24,6 @@
#include "Porting.h" #include "Porting.h"
#include "AGESA.h" #include "AGESA.h"
#define BIOS_HEAP_START_ADDRESS 0x10000 /* HEAP during cold boot */
#define BIOS_HEAP_SIZE 0x20000
#define BSP_STACK_BASE_ADDR 0x30000
typedef struct _BIOS_HEAP_MANAGER {
UINT32 StartOfAllocatedNodes;
UINT32 StartOfFreedNodes;
} BIOS_HEAP_MANAGER;
typedef struct _BIOS_BUFFER_NODE {
UINT32 BufferHandle;
UINT32 BufferSize;
UINT32 NextNodeOffset;
} BIOS_BUFFER_NODE;
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
void EmptyHeap(void);
/* REQUIRED CALLOUTS
* AGESA ADVANCED CALLOUTS - CPU
*/
AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
/* AGESA ADVANCED CALLOUTS - MEMORY */ /* AGESA ADVANCED CALLOUTS - MEMORY */
AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr); AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr);
AGESA_STATUS BiosReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS BiosReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr);

306
src/northbridge/amd/agesa/family15/fam15_callouts.c
View File

@ -25,310 +25,4 @@
#include "heapManager.h" #include "heapManager.h"
#include <northbridge/amd/agesa/family15/dimmSpd.h> #include <northbridge/amd/agesa/family15/dimmSpd.h>
#include <arch/io.h> #include <arch/io.h>
#include <arch/acpi.h>
#include <cbmem.h>
#include <string.h>
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
#if CONFIG_HAVE_ACPI_RESUME
/* Both romstage and ramstage has this S3 detect. */
if (acpi_get_sleep_type() == 3)
heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
(CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
/* himem_heap_base + high_stack_size */
#endif
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;
UINT8 *BiosHeapBaseAddr;
UINT32 CurrNodeOffset;
UINT32 PrevNodeOffset;
UINT32 FreedNodeOffset;
UINT32 BestFitNodeOffset;
UINT32 BestFitPrevNodeOffset;
UINT32 NextFreeOffset;
BIOS_BUFFER_NODE *CurrNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *BestFitNodePtr;
BIOS_BUFFER_NODE *BestFitPrevNodePtr;
BIOS_BUFFER_NODE *NextFreePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
AllocParams->BufferPointer = NULL;
AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
/* First allocation */
CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
CurrNodePtr->BufferSize = AllocParams->BufferLength;
CurrNodePtr->NextNodeOffset = 0;
AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
/* Update the remaining free space */
FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
FreedNodePtr->NextNodeOffset = 0;
/* Update the offsets for Allocated and Freed nodes */
BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
} else {
/* Find out whether BufferHandle has been allocated on the heap. */
/* If it has, return AGESA_BOUNDS_CHK */
CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
while (CurrNodeOffset != 0) {
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
return AGESA_BOUNDS_CHK;
}
CurrNodeOffset = CurrNodePtr->NextNodeOffset;
/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
to the end of the allocated nodes list.
*/
}
/* Find the node that best fits the requested buffer size */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
PrevNodeOffset = FreedNodeOffset;
BestFitNodeOffset = 0;
BestFitPrevNodeOffset = 0;
while (FreedNodeOffset != 0) {
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
if (BestFitNodeOffset == 0) {
/* First node that fits the requested buffer size */
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
} else {
/* Find out whether current node is a better fit than the previous nodes */
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
}
}
}
PrevNodeOffset = FreedNodeOffset;
FreedNodeOffset = FreedNodePtr->NextNodeOffset;
} /* end of while loop */
if (BestFitNodeOffset == 0) {
/* If we could not find a node that fits the requested buffer */
/* size, return AGESA_BOUNDS_CHK */
return AGESA_BOUNDS_CHK;
} else {
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
/* If BestFitNode is larger than the requested buffer, fragment the node further */
if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
} else {
/* Otherwise, next free node is NextNodeOffset of BestFitNode */
NextFreeOffset = BestFitNodePtr->NextNodeOffset;
}
/* If BestFitNode is the first buffer in the list, then update
StartOfFreedNodes to reflect the new free node
*/
if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
} else {
BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
}
/* Add BestFitNode to the list of Allocated nodes */
CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
BestFitNodePtr->BufferSize = AllocParams->BufferLength;
BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
BestFitNodePtr->NextNodeOffset = 0;
/* Remove BestFitNode from list of Freed nodes */
AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT8 *BiosHeapBaseAddr;
UINT32 AllocNodeOffset;
UINT32 PrevNodeOffset;
UINT32 NextNodeOffset;
UINT32 FreedNodeOffset;
UINT32 EndNodeOffset;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_BUFFER_NODE *PrevNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *NextNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
/* Find target node to deallocate in list of allocated nodes.
Return AGESA_BOUNDS_CHK if the BufferHandle is not found
*/
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
PrevNodeOffset = AllocNodeOffset;
while (AllocNodePtr->BufferHandle != AllocParams->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
return AGESA_BOUNDS_CHK;
}
PrevNodeOffset = AllocNodeOffset;
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
/* Remove target node from list of allocated nodes */
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
/* Zero out the buffer, and clear the BufferHandle */
LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
AllocNodePtr->BufferHandle = 0;
AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
/* Add deallocated node in order to the list of freed nodes */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
if (AllocNodeOffset < FreedNodeOffset) {
/* Add to the start of the freed list */
if (EndNodeOffset == FreedNodeOffset) {
/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
/* Clear the BufferSize and NextNodeOffset of the previous first node */
FreedNodePtr->BufferSize = 0;
FreedNodePtr->NextNodeOffset = 0;
} else {
/* Otherwise, add freed node to the start of the list
Update NextNodeOffset and BufferSize to include the
size of BIOS_BUFFER_NODE
*/
AllocNodePtr->NextNodeOffset = FreedNodeOffset;
}
/* Update StartOfFreedNodes to the new first node */
BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
} else {
/* Traverse list of freed nodes to find where the deallocated node
should be place
*/
NextNodeOffset = FreedNodeOffset;
NextNodePtr = FreedNodePtr;
while (AllocNodeOffset > NextNodeOffset) {
PrevNodeOffset = NextNodeOffset;
if (NextNodePtr->NextNodeOffset == 0) {
break;
}
NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
}
/* If deallocated node is adjacent to the next node,
concatenate both nodes
*/
if (NextNodeOffset == EndNodeOffset) {
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr->BufferSize = 0;
NextNodePtr->NextNodeOffset = 0;
} else {
/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
AllocNodePtr->NextNodeOffset = NextNodeOffset;
}
/* If deallocated node is adjacent to the previous node,
concatenate both nodes
*/
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
if (AllocNodeOffset == EndNodeOffset) {
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
AllocNodePtr->BufferSize = 0;
AllocNodePtr->NextNodeOffset = 0;
} else {
PrevNodePtr->NextNodeOffset = AllocNodeOffset;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AllocNodeOffset;
UINT8 *BiosHeapBaseAddr;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
AllocParams->BufferPointer = NULL;
AllocParams->BufferLength = 0;
return AGESA_BOUNDS_CHK;
} else {
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
}
AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
AllocParams->BufferLength = AllocNodePtr->BufferSize;
return AGESA_SUCCESS;
}

27
src/northbridge/amd/agesa/family15/fam15_callouts.h
View File

@ -21,33 +21,6 @@
#ifndef CALLOUTS_AMD_AGESA_FAM15_H #ifndef CALLOUTS_AMD_AGESA_FAM15_H
#define CALLOUTS_AMD_AGESA_FAM15_H #define CALLOUTS_AMD_AGESA_FAM15_H
#include "Porting.h"
#include "AGESA.h"
#define BIOS_HEAP_START_ADDRESS 0x10000 /* HEAP during cold boot */
#define BIOS_HEAP_SIZE 0x20000
#define BSP_STACK_BASE_ADDR 0x30000
typedef struct _BIOS_HEAP_MANAGER {
UINT32 StartOfAllocatedNodes;
UINT32 StartOfFreedNodes;
} BIOS_HEAP_MANAGER;
typedef struct _BIOS_BUFFER_NODE {
UINT32 BufferHandle;
UINT32 BufferSize;
UINT32 NextNodeOffset;
} BIOS_BUFFER_NODE;
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
void EmptyHeap(void);
/* REQUIRED CALLOUTS
* AGESA ADVANCED CALLOUTS - CPU
*/
AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
/* Call the host environment interface to provide a user hook opportunity. */ /* Call the host environment interface to provide a user hook opportunity. */

331
src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c
View File

@ -26,337 +26,6 @@
#include "cbfs.h" #include "cbfs.h"
#include "dimmSpd.h" #include "dimmSpd.h"
#include "fam15tn_callouts.h" #include "fam15tn_callouts.h"
#include <cbmem.h>
#include <arch/acpi.h>
#include <string.h>
#define AGESA_RUNTIME_SIZE 4096
static AGESA_STATUS alloc_cbmem(AGESA_BUFFER_PARAMS *AllocParams) {
static unsigned int used = 0;
void *p = cbmem_find(CBMEM_ID_AGESA_RUNTIME);
if ((AGESA_RUNTIME_SIZE - used) < AllocParams->BufferLength) {
return AGESA_BOUNDS_CHK;
}
/* first time allocation */
if (!p) {
p = cbmem_add(CBMEM_ID_AGESA_RUNTIME, AGESA_RUNTIME_SIZE);
if (!p)
return AGESA_BOUNDS_CHK;
}
AllocParams->BufferPointer = p + used;
used += AllocParams->BufferLength;
return AGESA_SUCCESS;
}
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
#if CONFIG_HAVE_ACPI_RESUME
/* Both romstage and ramstage has this S3 detect. */
if (acpi_get_sleep_type() == 3)
heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
(CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
/* himem_heap_base + high_stack_size */
#endif
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;
UINT8 *BiosHeapBaseAddr;
UINT32 CurrNodeOffset;
UINT32 PrevNodeOffset;
UINT32 FreedNodeOffset;
UINT32 BestFitNodeOffset;
UINT32 BestFitPrevNodeOffset;
UINT32 NextFreeOffset;
BIOS_BUFFER_NODE *CurrNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *BestFitNodePtr;
BIOS_BUFFER_NODE *BestFitPrevNodePtr;
BIOS_BUFFER_NODE *NextFreePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
AllocParams->BufferPointer = NULL;
/* if the allocation is for runtime use simple CBMEM data */
if (Data == HEAP_CALLOUT_RUNTIME)
return alloc_cbmem(AllocParams);
AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
/* First allocation */
CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
CurrNodePtr->BufferSize = AllocParams->BufferLength;
CurrNodePtr->NextNodeOffset = 0;
AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
/* Update the remaining free space */
FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
FreedNodePtr->NextNodeOffset = 0;
/* Update the offsets for Allocated and Freed nodes */
BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
} else {
/* Find out whether BufferHandle has been allocated on the heap. */
/* If it has, return AGESA_BOUNDS_CHK */
CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
while (CurrNodeOffset != 0) {
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
return AGESA_BOUNDS_CHK;
}
CurrNodeOffset = CurrNodePtr->NextNodeOffset;
/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
to the end of the allocated nodes list.
*/
}
/* Find the node that best fits the requested buffer size */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
PrevNodeOffset = FreedNodeOffset;
BestFitNodeOffset = 0;
BestFitPrevNodeOffset = 0;
while (FreedNodeOffset != 0) {
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
if (BestFitNodeOffset == 0) {
/* First node that fits the requested buffer size */
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
} else {
/* Find out whether current node is a better fit than the previous nodes */
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
}
}
}
PrevNodeOffset = FreedNodeOffset;
FreedNodeOffset = FreedNodePtr->NextNodeOffset;
} /* end of while loop */
if (BestFitNodeOffset == 0) {
/* If we could not find a node that fits the requested buffer */
/* size, return AGESA_BOUNDS_CHK */
return AGESA_BOUNDS_CHK;
} else {
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
/* If BestFitNode is larger than the requested buffer, fragment the node further */
if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
} else {
/* Otherwise, next free node is NextNodeOffset of BestFitNode */
NextFreeOffset = BestFitNodePtr->NextNodeOffset;
}
/* If BestFitNode is the first buffer in the list, then update
StartOfFreedNodes to reflect the new free node
*/
if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
} else {
BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
}
/* Add BestFitNode to the list of Allocated nodes */
CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
BestFitNodePtr->BufferSize = AllocParams->BufferLength;
BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
BestFitNodePtr->NextNodeOffset = 0;
/* Remove BestFitNode from list of Freed nodes */
AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS fam15tn_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT8 *BiosHeapBaseAddr;
UINT32 AllocNodeOffset;
UINT32 PrevNodeOffset;
UINT32 NextNodeOffset;
UINT32 FreedNodeOffset;
UINT32 EndNodeOffset;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_BUFFER_NODE *PrevNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *NextNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
/* Find target node to deallocate in list of allocated nodes.
Return AGESA_BOUNDS_CHK if the BufferHandle is not found
*/
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
PrevNodeOffset = AllocNodeOffset;
while (AllocNodePtr->BufferHandle != AllocParams->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
return AGESA_BOUNDS_CHK;
}
PrevNodeOffset = AllocNodeOffset;
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
/* Remove target node from list of allocated nodes */
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
/* Zero out the buffer, and clear the BufferHandle */
LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
AllocNodePtr->BufferHandle = 0;
AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
/* Add deallocated node in order to the list of freed nodes */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
if (AllocNodeOffset < FreedNodeOffset) {
/* Add to the start of the freed list */
if (EndNodeOffset == FreedNodeOffset) {
/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
/* Clear the BufferSize and NextNodeOffset of the previous first node */
FreedNodePtr->BufferSize = 0;
FreedNodePtr->NextNodeOffset = 0;
} else {
/* Otherwise, add freed node to the start of the list
Update NextNodeOffset and BufferSize to include the
size of BIOS_BUFFER_NODE
*/
AllocNodePtr->NextNodeOffset = FreedNodeOffset;
}
/* Update StartOfFreedNodes to the new first node */
BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
} else {
/* Traverse list of freed nodes to find where the deallocated node
should be place
*/
NextNodeOffset = FreedNodeOffset;
NextNodePtr = FreedNodePtr;
while (AllocNodeOffset > NextNodeOffset) {
PrevNodeOffset = NextNodeOffset;
if (NextNodePtr->NextNodeOffset == 0) {
break;
}
NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
}
/* If deallocated node is adjacent to the next node,
concatenate both nodes
*/
if (NextNodeOffset == EndNodeOffset) {
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr->BufferSize = 0;
NextNodePtr->NextNodeOffset = 0;
} else {
/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
AllocNodePtr->NextNodeOffset = NextNodeOffset;
}
/* If deallocated node is adjacent to the previous node,
concatenate both nodes
*/
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
if (AllocNodeOffset == EndNodeOffset) {
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
AllocNodePtr->BufferSize = 0;
AllocNodePtr->NextNodeOffset = 0;
} else {
PrevNodePtr->NextNodeOffset = AllocNodeOffset;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS fam15tn_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AllocNodeOffset;
UINT8 *BiosHeapBaseAddr;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
AllocParams->BufferPointer = NULL;
AllocParams->BufferLength = 0;
return AGESA_BOUNDS_CHK;
} else {
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
}
AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
AllocParams->BufferLength = AllocNodePtr->BufferSize;
return AGESA_SUCCESS;
}
AGESA_STATUS fam15tn_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) AGESA_STATUS fam15tn_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)

22
src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h
View File

@ -23,28 +23,6 @@
#include "Porting.h" #include "Porting.h"
#include "AGESA.h" #include "AGESA.h"
#define BIOS_HEAP_START_ADDRESS 0x010000000
#define BIOS_HEAP_SIZE 0x30000
#define BSP_STACK_BASE_ADDR 0x30000
typedef struct _BIOS_HEAP_MANAGER {
UINT32 StartOfAllocatedNodes;
UINT32 StartOfFreedNodes;
} BIOS_HEAP_MANAGER;
typedef struct _BIOS_BUFFER_NODE {
UINT32 BufferHandle;
UINT32 BufferSize;
UINT32 NextNodeOffset;
} 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);
AGESA_STATUS fam15tn_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS fam15tn_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS fam15tn_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr);

304
src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c
View File

@ -26,311 +26,7 @@
#include "cbfs.h" #include "cbfs.h"
#include "dimmSpd.h" #include "dimmSpd.h"
#include "fam16kb_callouts.h" #include "fam16kb_callouts.h"
#include <cbmem.h>
#include <arch/acpi.h>
#include <string.h>
UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
#if CONFIG_HAVE_ACPI_RESUME
/* Both romstage and ramstage has this S3 detect. */
if (acpi_get_sleep_type() == 3)
heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
(CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
/* himem_heap_base + high_stack_size */
#endif
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;
UINT8 *BiosHeapBaseAddr;
UINT32 CurrNodeOffset;
UINT32 PrevNodeOffset;
UINT32 FreedNodeOffset;
UINT32 BestFitNodeOffset;
UINT32 BestFitPrevNodeOffset;
UINT32 NextFreeOffset;
BIOS_BUFFER_NODE *CurrNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *BestFitNodePtr;
BIOS_BUFFER_NODE *BestFitPrevNodePtr;
BIOS_BUFFER_NODE *NextFreePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
AllocParams->BufferPointer = NULL;
AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
/* First allocation */
CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
CurrNodePtr->BufferSize = AllocParams->BufferLength;
CurrNodePtr->NextNodeOffset = 0;
AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
/* Update the remaining free space */
FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
FreedNodePtr->NextNodeOffset = 0;
/* Update the offsets for Allocated and Freed nodes */
BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
} else {
/* Find out whether BufferHandle has been allocated on the heap. */
/* If it has, return AGESA_BOUNDS_CHK */
CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
while (CurrNodeOffset != 0) {
CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
return AGESA_BOUNDS_CHK;
}
CurrNodeOffset = CurrNodePtr->NextNodeOffset;
/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
to the end of the allocated nodes list.
*/
}
/* Find the node that best fits the requested buffer size */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
PrevNodeOffset = FreedNodeOffset;
BestFitNodeOffset = 0;
BestFitPrevNodeOffset = 0;
while (FreedNodeOffset != 0) {
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
if (BestFitNodeOffset == 0) {
/* First node that fits the requested buffer size */
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
} else {
/* Find out whether current node is a better fit than the previous nodes */
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
BestFitNodeOffset = FreedNodeOffset;
BestFitPrevNodeOffset = PrevNodeOffset;
}
}
}
PrevNodeOffset = FreedNodeOffset;
FreedNodeOffset = FreedNodePtr->NextNodeOffset;
} /* end of while loop */
if (BestFitNodeOffset == 0) {
/* If we could not find a node that fits the requested buffer */
/* size, return AGESA_BOUNDS_CHK */
return AGESA_BOUNDS_CHK;
} else {
BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
/* If BestFitNode is larger than the requested buffer, fragment the node further */
if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
} else {
/* Otherwise, next free node is NextNodeOffset of BestFitNode */
NextFreeOffset = BestFitNodePtr->NextNodeOffset;
}
/* If BestFitNode is the first buffer in the list, then update
StartOfFreedNodes to reflect the new free node
*/
if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
} else {
BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
}
/* Add BestFitNode to the list of Allocated nodes */
CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
BestFitNodePtr->BufferSize = AllocParams->BufferLength;
BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
BestFitNodePtr->NextNodeOffset = 0;
/* Remove BestFitNode from list of Freed nodes */
AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS fam16kb_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT8 *BiosHeapBaseAddr;
UINT32 AllocNodeOffset;
UINT32 PrevNodeOffset;
UINT32 NextNodeOffset;
UINT32 FreedNodeOffset;
UINT32 EndNodeOffset;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_BUFFER_NODE *PrevNodePtr;
BIOS_BUFFER_NODE *FreedNodePtr;
BIOS_BUFFER_NODE *NextNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
/* Find target node to deallocate in list of allocated nodes.
Return AGESA_BOUNDS_CHK if the BufferHandle is not found
*/
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
PrevNodeOffset = AllocNodeOffset;
while (AllocNodePtr->BufferHandle != AllocParams->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
return AGESA_BOUNDS_CHK;
}
PrevNodeOffset = AllocNodeOffset;
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
/* Remove target node from list of allocated nodes */
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
/* Zero out the buffer, and clear the BufferHandle */
LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
AllocNodePtr->BufferHandle = 0;
AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
/* Add deallocated node in order to the list of freed nodes */
FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
if (AllocNodeOffset < FreedNodeOffset) {
/* Add to the start of the freed list */
if (EndNodeOffset == FreedNodeOffset) {
/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
/* Clear the BufferSize and NextNodeOffset of the previous first node */
FreedNodePtr->BufferSize = 0;
FreedNodePtr->NextNodeOffset = 0;
} else {
/* Otherwise, add freed node to the start of the list
Update NextNodeOffset and BufferSize to include the
size of BIOS_BUFFER_NODE
*/
AllocNodePtr->NextNodeOffset = FreedNodeOffset;
}
/* Update StartOfFreedNodes to the new first node */
BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
} else {
/* Traverse list of freed nodes to find where the deallocated node
should be place
*/
NextNodeOffset = FreedNodeOffset;
NextNodePtr = FreedNodePtr;
while (AllocNodeOffset > NextNodeOffset) {
PrevNodeOffset = NextNodeOffset;
if (NextNodePtr->NextNodeOffset == 0) {
break;
}
NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
}
/* If deallocated node is adjacent to the next node,
concatenate both nodes
*/
if (NextNodeOffset == EndNodeOffset) {
NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
NextNodePtr->BufferSize = 0;
NextNodePtr->NextNodeOffset = 0;
} else {
/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
AllocNodePtr->NextNodeOffset = NextNodeOffset;
}
/* If deallocated node is adjacent to the previous node,
concatenate both nodes
*/
PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
if (AllocNodeOffset == EndNodeOffset) {
PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
AllocNodePtr->BufferSize = 0;
AllocNodePtr->NextNodeOffset = 0;
} else {
PrevNodePtr->NextNodeOffset = AllocNodeOffset;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS fam16kb_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINT32 AllocNodeOffset;
UINT8 *BiosHeapBaseAddr;
BIOS_BUFFER_NODE *AllocNodePtr;
BIOS_HEAP_MANAGER *BiosHeapBasePtr;
AGESA_BUFFER_PARAMS *AllocParams;
AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader));
BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr;
AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
if (AllocNodePtr->NextNodeOffset == 0) {
AllocParams->BufferPointer = NULL;
AllocParams->BufferLength = 0;
return AGESA_BOUNDS_CHK;
} else {
AllocNodeOffset = AllocNodePtr->NextNodeOffset;
AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
}
}
AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
AllocParams->BufferLength = AllocNodePtr->BufferSize;
return AGESA_SUCCESS;
}

22
src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h
View File

@ -23,28 +23,6 @@
#include "Porting.h" #include "Porting.h"
#include "AGESA.h" #include "AGESA.h"
#define BIOS_HEAP_START_ADDRESS 0x010000000
#define BIOS_HEAP_SIZE 0x30000
#define BSP_STACK_BASE_ADDR 0x30000
typedef struct _BIOS_HEAP_MANAGER {
UINT32 StartOfAllocatedNodes;
UINT32 StartOfFreedNodes;
} BIOS_HEAP_MANAGER;
typedef struct _BIOS_BUFFER_NODE {
UINT32 BufferHandle;
UINT32 BufferSize;
UINT32 NextNodeOffset;
} 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);
AGESA_STATUS fam16kb_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS fam16kb_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS fam16kb_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr);