Refresh checksum after changing DSDT table.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Heyi Guo heyi.guo@linaro.org Signed-off-by: Yi Li phoenix.liyi@huawei.com Signed-off-by: Chenhui Sun chenhui.sun@linaro.org --- Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c b/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c index 41f5692..1f74d31 100644 --- a/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c +++ b/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c @@ -442,6 +442,29 @@ static EFI_STATUS ProcessDSDT( return EFI_SUCCESS; }
+STATIC +VOID +AcpiCheckSum ( + IN OUT EFI_ACPI_SDT_HEADER *Table + ) +{ + UINTN ChecksumOffset; + UINT8 *Buffer; + + ChecksumOffset = OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum); + Buffer = (UINT8 *)Table; + + // + // set checksum to 0 first + // + Buffer[ChecksumOffset] = 0; + + // + // Update checksum value + // + Buffer[ChecksumOffset] = CalculateCheckSum8 (Buffer, Table->Length); +} + EFI_STATUS EthMacInit(void) { EFI_STATUS Status; @@ -478,6 +501,7 @@ EFI_STATUS EthMacInit(void) ProcessDSDT(AcpiTableProtocol, TableHandle);
AcpiTableProtocol->Close(TableHandle); + AcpiCheckSum (Table); }
return EFI_SUCCESS;
On Tue, Apr 11, 2017 at 07:48:04PM +0800, Chenhui Sun wrote:
Refresh checksum after changing DSDT table.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Heyi Guo heyi.guo@linaro.org Signed-off-by: Yi Li phoenix.liyi@huawei.com Signed-off-by: Chenhui Sun chenhui.sun@linaro.org
Thanks - much cleaner this way.
Reviewed-by: Leif Lindholm leif.lindholm@linaro.org
Pushed.
Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c b/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c index 41f5692..1f74d31 100644 --- a/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c +++ b/Chips/Hisilicon/Drivers/AcpiPlatformDxe/EthMac.c @@ -442,6 +442,29 @@ static EFI_STATUS ProcessDSDT( return EFI_SUCCESS; } +STATIC +VOID +AcpiCheckSum (
- IN OUT EFI_ACPI_SDT_HEADER *Table
- )
+{
- UINTN ChecksumOffset;
- UINT8 *Buffer;
- ChecksumOffset = OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum);
- Buffer = (UINT8 *)Table;
- //
- // set checksum to 0 first
- //
- Buffer[ChecksumOffset] = 0;
- //
- // Update checksum value
- //
- Buffer[ChecksumOffset] = CalculateCheckSum8 (Buffer, Table->Length);
+}
EFI_STATUS EthMacInit(void) { EFI_STATUS Status; @@ -478,6 +501,7 @@ EFI_STATUS EthMacInit(void) ProcessDSDT(AcpiTableProtocol, TableHandle); AcpiTableProtocol->Close(TableHandle);
- AcpiCheckSum (Table); }
return EFI_SUCCESS; -- 1.9.1
-
Chenhui Sun -
Leif Lindholm