Armv8.1+ cpus have Virtual Host Extension (VHE) which added non-secure
EL2 virtual timer.
This change adds it into GTDT to fullfil Arm BSA (Base System
Architecture) requirements.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiew...@linaro.org>
---
Platform/Qemu/SbsaQemu/SbsaQemu.dsc | 2 ++
Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf | 1 +
Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc | 4 ++--
3 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/Platform/Qemu/SbsaQemu/SbsaQemu.dsc
b/Platform/Qemu/SbsaQemu/SbsaQemu.dsc
index be406144c242..8bea9793451a 100644
--- a/Platform/Qemu/SbsaQemu/SbsaQemu.dsc
+++ b/Platform/Qemu/SbsaQemu/SbsaQemu.dsc
@@ -447,6 +447,8 @@ [PcdsFixedAtBuild.common]
gArmTokenSpaceGuid.PcdArmArchTimerVirtIntrNum|27
# PPI #10
gArmTokenSpaceGuid.PcdArmArchTimerHypIntrNum|26
+ # PPI #12
+ gArmTokenSpaceGuid.PcdArmArchTimerHypVirtIntrNum|28
## PL031 RealTimeClock
gArmPlatformTokenSpaceGuid.PcdPL031RtcBase|0x60010000
diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
b/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
index 97021f7971c7..343c75f0b4ec 100644
--- a/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
+++ b/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
@@ -36,6 +36,7 @@ [FixedPcd]
gArmTokenSpaceGuid.PcdArmArchTimerIntrNum
gArmTokenSpaceGuid.PcdArmArchTimerHypIntrNum
gArmTokenSpaceGuid.PcdArmArchTimerVirtIntrNum
+ gArmTokenSpaceGuid.PcdArmArchTimerHypVirtIntrNum
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision
diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc
b/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc
index ba145aff6413..b5e8f8405d61 100644
--- a/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc
+++ b/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc
@@ -91,8 +91,8 @@
SBSA_PLATFORM_TIMER_COUNT, // UINT32
PlatformTimerCount
sizeof(EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE),
// UINT32
PlatformTimerOffset
- 0, // UINT32
VirtualPL2TimerGSIV
- 0 // UINT32
VirtualPL2TimerFlags
+ FixedPcdGet32 (PcdArmArchTimerHypVirtIntrNum),// UINT32
VirtualPL2TimerGSIV
+ GTDT_GTIMER_FLAGS // UINT32
VirtualPL2TimerFlags
},
EFI_ACPI_6_3_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
SBSAQEMU_WDT_REFRESH_FRAME_BASE,
--
2.41.0
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