The value to be written corresponds to hard reset, which is what the ACPI spec prescribes.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <[email protected]> --- OvmfPkg/AcpiTables/Platform.h | 5 ++++- OvmfPkg/AcpiTables/Facp.aslc | 4 ++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/OvmfPkg/AcpiTables/Platform.h b/OvmfPkg/AcpiTables/Platform.h index c95cbb2..d96b847 100644 --- a/OvmfPkg/AcpiTables/Platform.h +++ b/OvmfPkg/AcpiTables/Platform.h @@ -54,7 +54,10 @@ #define FLAG (EFI_ACPI_2_0_WBINVD | \ EFI_ACPI_2_0_PROC_C1 | \ EFI_ACPI_2_0_SLP_BUTTON | \ - EFI_ACPI_2_0_RTC_S4) + EFI_ACPI_2_0_RTC_S4 | \ + EFI_ACPI_2_0_RESET_REG_SUP) +#define RESET_REG 0xCF9 +#define RESET_VALUE (BIT2 | BIT1) // PIIX3 Reset CPU + System Reset // // Byte-aligned IO port register block initializer for diff --git a/OvmfPkg/AcpiTables/Facp.aslc b/OvmfPkg/AcpiTables/Facp.aslc index 9a17905..df35285 100644 --- a/OvmfPkg/AcpiTables/Facp.aslc +++ b/OvmfPkg/AcpiTables/Facp.aslc @@ -65,8 +65,8 @@ EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE FACP = { 0x0000, // Boot architecture flag (16-bit) RESERVED, // reserved FLAG, // Fixed feature flags - { 0 }, // Address of the Reset Register - 0, // Value for the Reset Register to reset the system + GAS2_IO(RESET_REG, 1), // Extended address of the Reset Register + RESET_VALUE, // Value for the Reset Register to reset the system { RESERVED }, // reserved[3] 0, // 64-bit physical addesss of FACS, set at installation 0, // 64-bit physical addesss of DSDT, set at installation -- 1.7.1 ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ edk2-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/edk2-devel
