If V4 64 bit address mode is enabled in compatibility register,
program controller to enable V4 host mode.
Use appropriate ADMA2 descriptors supporting 64 bit addresses.
Use appropriate registers for SDMA mode operation.
Change-Id: I1f6c984368988e51999eb289aa29677f9b0cdf49
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ashish Singhal <ashishsin...@nvidia.com>
---
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h | 4 +-
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c | 273 +++++++++++++++++----
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.h | 28 ++-
3 files changed, 260 insertions(+), 45 deletions(-)
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
index c683600..22795df 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h
@@ -2,6 +2,7 @@
Provides some data structure definitions used by the SD/MMC host controller
driver.
+Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
@@ -144,7 +145,8 @@ typedef struct {
BOOLEAN Started;
UINT64 Timeout;
- SD_MMC_HC_ADMA_DESC_LINE *AdmaDesc;
+ SD_MMC_HC_ADMA_32_DESC_LINE *Adma32Desc;
+ SD_MMC_HC_ADMA_64_DESC_LINE *Adma64Desc;
EFI_PHYSICAL_ADDRESS AdmaDescPhy;
VOID *AdmaMap;
UINT32 AdmaPages;
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
index e506875..9fef3fb 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
@@ -4,6 +4,7 @@
It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use.
+ Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
@@ -418,6 +419,36 @@ SdMmcHcWaitMmioSet (
}
/**
+ Get the controller version information from the specified slot.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the
command to.
+ @param[out] Version The buffer to store the version information.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcGetControllerVersion (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT UINT16 *Version
+ )
+{
+ EFI_STATUS Status;
+
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CTRL_VER, TRUE, sizeof
(UINT16), Version);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ *Version &= 0xFF;
+
+ return EFI_SUCCESS;
+}
+
+/**
Software reset the specified SD/MMC host controller and enable all
interrupts.
@param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
@@ -776,18 +807,18 @@ SdMmcHcClockSupply (
DEBUG ((DEBUG_INFO, "BaseClkFreq %dMHz Divisor %d ClockFreq %dKhz\n",
BaseClkFreq, Divisor, ClockFreq));
- Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CTRL_VER, TRUE, sizeof
(ControllerVer), &ControllerVer);
+ Status = SdMmcHcGetControllerVersion (PciIo, Slot, &ControllerVer);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Set SDCLK Frequency Select and Internal Clock Enable fields in Clock
Control register.
//
- if (((ControllerVer & 0xFF) >= SD_MMC_HC_CTRL_VER_300) &&
- ((ControllerVer & 0xFF) <= SD_MMC_HC_CTRL_VER_420)) {
+ if ((ControllerVer >= SD_MMC_HC_CTRL_VER_300) &&
+ (ControllerVer <= SD_MMC_HC_CTRL_VER_420)) {
ASSERT (Divisor <= 0x3FF);
ClockCtrl = ((Divisor & 0xFF) << 8) | ((Divisor & 0x300) >> 2);
- } else if (((ControllerVer & 0xFF) == 0) || ((ControllerVer & 0xFF) == 1)) {
+ } else if ((ControllerVer == 0) || (ControllerVer == 1)) {
//
// Only the most significant bit can be used as divisor.
//
@@ -935,6 +966,54 @@ SdMmcHcSetBusWidth (
}
/**
+ Configure V4 64 bit system address support at initialization.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command
to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The clock is supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcV4Init64BitSupport (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ )
+{
+ EFI_STATUS Status;
+ UINT16 ControllerVer;
+ UINT16 HostCtrl2;
+
+ //
+ // Check if V4 64bit support is available
+ //
+ Status = SdMmcHcGetControllerVersion (PciIo, Slot, &ControllerVer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (ControllerVer >= SD_MMC_HC_CTRL_VER_400) {
+ HostCtrl2 = SD_MMC_HC_V4_EN;
+ //
+ // Check if V4 64bit support is available
+ //
+ if (Capability.SysBus64V4 == TRUE) {
+ HostCtrl2 |= SD_MMC_HC_64_ADDR_EN;
+ DEBUG ((DEBUG_INFO, "Enabled V4 64 bit system bus support\n"));
+ }
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof
(HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ DEBUG ((DEBUG_INFO, "Enabled V4 64 bit system bus support\n"));
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
Supply SD/MMC card with lowest clock frequency at initialization.
@param[in] PciIo The PCI IO protocol instance.
@@ -1101,6 +1180,11 @@ SdMmcHcInitHost (
PciIo = Private->PciIo;
Capability = Private->Capability[Slot];
+ Status = SdMmcHcV4Init64BitSupport (PciIo, Slot, Capability);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
Status = SdMmcHcInitClockFreq (PciIo, Slot, Capability);
if (EFI_ERROR (Status)) {
return Status;
@@ -1169,7 +1253,7 @@ SdMmcHcLedOnOff (
/**
Build ADMA descriptor table for transfer.
- Refer to SD Host Controller Simplified spec 3.0 Section 1.13 for details.
+ Refer to SD Host Controller Simplified spec 4.2 Section 1.13 for details.
@param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
@@ -1187,49 +1271,69 @@ BuildAdmaDescTable (
UINT64 Entries;
UINT32 Index;
UINT64 Remaining;
- UINT32 Address;
+ UINT64 Address;
UINTN TableSize;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_STATUS Status;
UINTN Bytes;
+ UINT16 ControllerVer;
+ BOOLEAN AddressingMode64 = FALSE;
+ UINTN DescSize = sizeof (SD_MMC_HC_ADMA_32_DESC_LINE);
+ VOID *AdmaDesc = NULL;
Data = Trb->DataPhy;
DataLen = Trb->DataLen;
PciIo = Trb->Private->PciIo;
+
+ //
+ // Detect whether 64bit addressing is supported.
//
- // Only support 32bit ADMA Descriptor Table
+ Status = SdMmcHcGetControllerVersion (PciIo, Trb->Slot, &ControllerVer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ if (ControllerVer >= SD_MMC_HC_CTRL_VER_400) {
+ Status = SdMmcHcCheckMmioSet(PciIo, Trb->Slot, SD_MMC_HC_HOST_CTRL2, 0x2,
+ SD_MMC_HC_V4_EN|SD_MMC_HC_64_ADDR_EN,
SD_MMC_HC_V4_EN|SD_MMC_HC_64_ADDR_EN);
+ if (!EFI_ERROR (Status)) {
+ AddressingMode64 = TRUE;
+ DescSize = sizeof (SD_MMC_HC_ADMA_64_DESC_LINE);
+ }
+ }
//
- if ((Data >= 0x100000000ul) || ((Data + DataLen) > 0x100000000ul)) {
+ // Check for valid ranges in 32bit ADMA Descriptor Table
+ //
+ if (AddressingMode64 == FALSE &&
+ ((Data >= 0x100000000ul) || ((Data + DataLen) > 0x100000000ul))) {
return EFI_INVALID_PARAMETER;
}
//
// Address field shall be set on 32-bit boundary (Lower 2-bit is always set
to 0)
- // for 32-bit address descriptor table.
//
if ((Data & (BIT0 | BIT1)) != 0) {
DEBUG ((DEBUG_INFO, "The buffer [0x%x] to construct ADMA desc is not
aligned to 4 bytes boundary!\n", Data));
}
Entries = DivU64x32 ((DataLen + ADMA_MAX_DATA_PER_LINE - 1),
ADMA_MAX_DATA_PER_LINE);
- TableSize = (UINTN)MultU64x32 (Entries, sizeof (SD_MMC_HC_ADMA_DESC_LINE));
+ TableSize = (UINTN)MultU64x32 (Entries, DescSize);
Trb->AdmaPages = (UINT32)EFI_SIZE_TO_PAGES (TableSize);
Status = PciIo->AllocateBuffer (
PciIo,
AllocateAnyPages,
EfiBootServicesData,
EFI_SIZE_TO_PAGES (TableSize),
- (VOID **)&Trb->AdmaDesc,
+ (VOID **)&AdmaDesc,
0
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
- ZeroMem (Trb->AdmaDesc, TableSize);
+ ZeroMem (AdmaDesc, TableSize);
Bytes = TableSize;
Status = PciIo->Map (
PciIo,
EfiPciIoOperationBusMasterCommonBuffer,
- Trb->AdmaDesc,
+ AdmaDesc,
&Bytes,
&Trb->AdmaDescPhy,
&Trb->AdmaMap
@@ -1242,12 +1346,13 @@ BuildAdmaDescTable (
PciIo->FreeBuffer (
PciIo,
EFI_SIZE_TO_PAGES (TableSize),
- Trb->AdmaDesc
+ AdmaDesc
);
return EFI_OUT_OF_RESOURCES;
}
- if ((UINT64)(UINTN)Trb->AdmaDescPhy > 0x100000000ul) {
+ if ((AddressingMode64 == FALSE) &&
+ (UINT64)(UINTN)Trb->AdmaDescPhy > 0x100000000ul) {
//
// The ADMA doesn't support 64bit addressing.
//
@@ -1258,25 +1363,49 @@ BuildAdmaDescTable (
PciIo->FreeBuffer (
PciIo,
EFI_SIZE_TO_PAGES (TableSize),
- Trb->AdmaDesc
+ AdmaDesc
);
return EFI_DEVICE_ERROR;
}
Remaining = DataLen;
- Address = (UINT32)Data;
+ Address = Data;
+ if (AddressingMode64 == FALSE) {
+ Trb->Adma32Desc = AdmaDesc;
+ Trb->Adma64Desc = NULL;
+ } else {
+ Trb->Adma64Desc = AdmaDesc;
+ Trb->Adma32Desc = NULL;
+ }
for (Index = 0; Index < Entries; Index++) {
- if (Remaining <= ADMA_MAX_DATA_PER_LINE) {
- Trb->AdmaDesc[Index].Valid = 1;
- Trb->AdmaDesc[Index].Act = 2;
- Trb->AdmaDesc[Index].Length = (UINT16)Remaining;
- Trb->AdmaDesc[Index].Address = Address;
- break;
+ if (AddressingMode64 == FALSE) {
+ if (Remaining < ADMA_MAX_DATA_PER_LINE) {
+ Trb->Adma32Desc[Index].Valid = 1;
+ Trb->Adma32Desc[Index].Act = 2;
+ Trb->Adma32Desc[Index].Length = (UINT16)Remaining;
+ Trb->Adma32Desc[Index].Address = (UINT32)Address;
+ break;
+ } else {
+ Trb->Adma32Desc[Index].Valid = 1;
+ Trb->Adma32Desc[Index].Act = 2;
+ Trb->Adma32Desc[Index].Length = 0;
+ Trb->Adma32Desc[Index].Address = (UINT32)Address;
+ }
} else {
- Trb->AdmaDesc[Index].Valid = 1;
- Trb->AdmaDesc[Index].Act = 2;
- Trb->AdmaDesc[Index].Length = 0;
- Trb->AdmaDesc[Index].Address = Address;
+ if (Remaining < ADMA_MAX_DATA_PER_LINE) {
+ Trb->Adma64Desc[Index].Valid = 1;
+ Trb->Adma64Desc[Index].Act = 2;
+ Trb->Adma64Desc[Index].Length = (UINT16)Remaining;
+ Trb->Adma64Desc[Index].LowerAddress = (UINT32)(Address & MAX_UINT32);
+ Trb->Adma64Desc[Index].UpperAddress = (UINT32)(Address>>32);
+ break;
+ } else {
+ Trb->Adma64Desc[Index].Valid = 1;
+ Trb->Adma64Desc[Index].Act = 2;
+ Trb->Adma64Desc[Index].Length = 0;
+ Trb->Adma64Desc[Index].LowerAddress = (UINT32)(Address & MAX_UINT32);
+ Trb->Adma64Desc[Index].UpperAddress = (UINT32)(Address>>32);
+ }
}
Remaining -= ADMA_MAX_DATA_PER_LINE;
@@ -1286,7 +1415,7 @@ BuildAdmaDescTable (
//
// Set the last descriptor line as end of descriptor table
//
- Trb->AdmaDesc[Index].End = 1;
+ AddressingMode64 ? (Trb->Adma64Desc[Index].End = 1) :
(Trb->Adma32Desc[Index].End = 1);
return EFI_SUCCESS;
}
@@ -1430,11 +1559,18 @@ SdMmcFreeTrb (
Trb->AdmaMap
);
}
- if (Trb->AdmaDesc != NULL) {
+ if (Trb->Adma32Desc != NULL) {
PciIo->FreeBuffer (
PciIo,
Trb->AdmaPages,
- Trb->AdmaDesc
+ Trb->Adma32Desc
+ );
+ }
+ if (Trb->Adma64Desc != NULL) {
+ PciIo->FreeBuffer (
+ PciIo,
+ Trb->AdmaPages,
+ Trb->Adma64Desc
);
}
if (Trb->DataMap != NULL) {
@@ -1574,12 +1710,14 @@ SdMmcExecTrb (
UINT16 Cmd;
UINT16 IntStatus;
UINT32 Argument;
- UINT16 BlkCount;
+ UINT32 BlkCount;
UINT16 BlkSize;
UINT16 TransMode;
UINT8 HostCtrl1;
- UINT32 SdmaAddr;
+ UINT64 SdmaAddr;
UINT64 AdmaAddr;
+ UINT16 ControllerVer;
+ BOOLEAN AddressingMode64 = FALSE;
Packet = Trb->Packet;
PciIo = Trb->Private->PciIo;
@@ -1612,13 +1750,33 @@ SdMmcExecTrb (
SdMmcHcLedOnOff (PciIo, Trb->Slot, TRUE);
+ Status = SdMmcHcGetControllerVersion (PciIo, Trb->Slot, &ControllerVer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ if (ControllerVer >= SD_MMC_HC_CTRL_VER_400) {
+ Status = SdMmcHcCheckMmioSet(PciIo, Trb->Slot, SD_MMC_HC_HOST_CTRL2, 0x2,
+ SD_MMC_HC_V4_EN|SD_MMC_HC_64_ADDR_EN,
SD_MMC_HC_V4_EN|SD_MMC_HC_64_ADDR_EN);
+ if (!EFI_ERROR (Status)) {
+ AddressingMode64 = TRUE;
+ }
+ }
+
if (Trb->Mode == SdMmcSdmaMode) {
- if ((UINT64)(UINTN)Trb->DataPhy >= 0x100000000ul) {
+ if ((AddressingMode64 == FALSE) &&
+ ((UINT64)(UINTN)Trb->DataPhy >= 0x100000000ul)) {
return EFI_INVALID_PARAMETER;
}
- SdmaAddr = (UINT32)(UINTN)Trb->DataPhy;
- Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_SDMA_ADDR, FALSE,
sizeof (SdmaAddr), &SdmaAddr);
+ SdmaAddr = (UINT64)(UINTN)Trb->DataPhy;
+
+ if (ControllerVer >= SD_MMC_HC_CTRL_VER_400) {
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_ADMA_SYS_ADDR,
FALSE, sizeof (UINT64), &SdmaAddr);
+ }
+ else {
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_SDMA_ADDR, FALSE,
sizeof (UINT32), &SdmaAddr);
+ }
+
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1648,9 +1806,14 @@ SdMmcExecTrb (
//
// Calcuate Block Count.
//
- BlkCount = (UINT16)(Trb->DataLen / Trb->BlockSize);
+ BlkCount = (Trb->DataLen / Trb->BlockSize);
+ }
+ if (ControllerVer >= SD_MMC_HC_CTRL_VER_410) {
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_SDMA_ADDR, FALSE,
sizeof (UINT32), &BlkCount);
+ }
+ else {
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_BLK_COUNT, FALSE,
sizeof (UINT16), &BlkCount);
}
- Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_BLK_COUNT, FALSE,
sizeof (BlkCount), &BlkCount);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1746,10 +1909,11 @@ SdMmcCheckTrbResult (
EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
UINT16 IntStatus;
UINT32 Response[4];
- UINT32 SdmaAddr;
+ UINT64 SdmaAddr;
UINT8 Index;
UINT8 SwReset;
UINT32 PioLength;
+ UINT16 ControllerVer;
SwReset = 0;
Packet = Trb->Packet;
@@ -1870,19 +2034,42 @@ SdMmcCheckTrbResult (
//
// Update SDMA Address register.
//
- SdmaAddr = SD_MMC_SDMA_ROUND_UP ((UINT32)(UINTN)Trb->DataPhy,
SD_MMC_SDMA_BOUNDARY);
- Status = SdMmcHcRwMmio (
+ SdmaAddr = SD_MMC_SDMA_ROUND_UP ((UINTN)Trb->DataPhy,
SD_MMC_SDMA_BOUNDARY);
+
+ Status = SdMmcHcGetControllerVersion (
+ Private->PciIo,
+ Trb->Slot,
+ &ControllerVer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (ControllerVer >= SD_MMC_HC_CTRL_VER_400) {
+ Status = SdMmcHcRwMmio (
Private->PciIo,
Trb->Slot,
- SD_MMC_HC_SDMA_ADDR,
+ SD_MMC_HC_ADMA_SYS_ADDR,
FALSE,
- sizeof (UINT32),
+ sizeof (UINT64),
&SdmaAddr
);
+ }
+ else {
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_SDMA_ADDR,
+ FALSE,
+ sizeof (UINT32),
+ &SdmaAddr
+ );
+ }
+
if (EFI_ERROR (Status)) {
goto Done;
}
- Trb->DataPhy = (UINT32)(UINTN)SdmaAddr;
+ Trb->DataPhy = (UINT64)(UINTN)SdmaAddr;
}
if ((Packet->SdMmcCmdBlk->CommandType != SdMmcCommandTypeAdtc) &&
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.h
b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.h
index cc138fc..a6234f1 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.h
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.h
@@ -2,6 +2,7 @@
Provides some data structure definitions used by the SD/MMC host controller
driver.
+Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
@@ -78,6 +79,9 @@ typedef enum {
//
#define ADMA_MAX_DATA_PER_LINE 0x10000
+//
+// ADMA descriptor for 32b addressing.
+//
typedef struct {
UINT32 Valid:1;
UINT32 End:1;
@@ -87,7 +91,23 @@ typedef struct {
UINT32 Reserved1:10;
UINT32 Length:16;
UINT32 Address;
-} SD_MMC_HC_ADMA_DESC_LINE;
+} SD_MMC_HC_ADMA_32_DESC_LINE;
+
+//
+// ADMA descriptor for 64b addressing.
+//
+typedef struct {
+ UINT32 Valid:1;
+ UINT32 End:1;
+ UINT32 Int:1;
+ UINT32 Reserved:1;
+ UINT32 Act:2;
+ UINT32 Reserved1:10;
+ UINT32 Length:16;
+ UINT32 LowerAddress;
+ UINT32 UpperAddress;
+ UINT32 Reserved2;
+} SD_MMC_HC_ADMA_64_DESC_LINE;
#define SD_MMC_SDMA_BOUNDARY 512 * 1024
#define SD_MMC_SDMA_ROUND_UP(x, n) (((x) + n) & ~(n - 1))
@@ -145,6 +165,12 @@ typedef struct {
#define SD_MMC_HC_CTRL_VER_410 0x04
#define SD_MMC_HC_CTRL_VER_420 0x05
+//
+// SD Host controller V4 Support
+//
+#define SD_MMC_HC_V4_EN BIT12
+#define SD_MMC_HC_64_ADDR_EN BIT13
+
/**
Dump the content of SD/MMC host controller's Capability Register.
--
2.7.4
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