Re: [edk2-devel] [PATCH] UefiPayloadPkg: Add macro to enable selection of timer

["Ma, Hua" <hua.ma@intel.com>]

Add maintainers to help review the patch,

thank you,
Ma Hua

On 1/5/2024 1:38 PM, Ma, Hua wrote:
> Add macro to enable selection of timer
> 
> - HPET:  UEFI Payload will use HPET timer
> - LAPIC: UEFI Payload will use local APIC timer
> 
> Signed-off-by: Hua Ma <hua.ma@intel.com>
> ---
>   UefiPayloadPkg/UefiPayloadPkg.dsc | 16 ++++++++++++++++
>   UefiPayloadPkg/UefiPayloadPkg.fdf |  4 ++++
>   2 files changed, 20 insertions(+)
> 
> diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc b/UefiPayloadPkg/UefiPayloadPkg.dsc
> index b8b13ad201..4f195c1e52 100644
> --- a/UefiPayloadPkg/UefiPayloadPkg.dsc
> +++ b/UefiPayloadPkg/UefiPayloadPkg.dsc
> @@ -139,6 +139,12 @@
>     # Note: for emulation platform such as QEMU, this may not work and should set it as FALSE
>     DEFINE CPU_TIMER_LIB_ENABLE  = TRUE
>   
> +  #
> +  # HPET:  UEFI Payload will use HPET timer
> +  # LAPIC: UEFI Payload will use local APIC timer
> +  #
> +  DEFINE TIMER_SUPPORT      = HPET
> +
>     DEFINE MULTIPLE_DEBUG_PORT_SUPPORT = FALSE
>   
>   [BuildOptions]
> @@ -676,7 +682,17 @@
>     MdeModulePkg/Application/BootManagerMenuApp/BootManagerMenuApp.inf
>   
>   
> +!if $(TIMER_SUPPORT) == "HPET"
>     PcAtChipsetPkg/HpetTimerDxe/HpetTimerDxe.inf
> +!elseif $(TIMER_SUPPORT) == "LAPIC"
> +  OvmfPkg/LocalApicTimerDxe/LocalApicTimerDxe.inf {
> +    <LibraryClasses>
> +      NestedInterruptTplLib|OvmfPkg/Library/NestedInterruptTplLib/NestedInterruptTplLib.inf
> +  }
> +!else
> +  !error "Invalid TIMER_SUPPORT"
> +!endif
> +
>     MdeModulePkg/Universal/Metronome/Metronome.inf
>     MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf
>     MdeModulePkg/Core/RuntimeDxe/RuntimeDxe.inf
> diff --git a/UefiPayloadPkg/UefiPayloadPkg.fdf b/UefiPayloadPkg/UefiPayloadPkg.fdf
> index 835798be1c..7d04a8cffd 100644
> --- a/UefiPayloadPkg/UefiPayloadPkg.fdf
> +++ b/UefiPayloadPkg/UefiPayloadPkg.fdf
> @@ -161,7 +161,11 @@ INF MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe.inf
>   !endif
>   INF UefiCpuPkg/CpuDxe/CpuDxe.inf
>   
> +!if $(TIMER_SUPPORT) == "HPET"
>   INF PcAtChipsetPkg/HpetTimerDxe/HpetTimerDxe.inf
> +!elseif $(TIMER_SUPPORT) == "LAPIC"
> +INF OvmfPkg/LocalApicTimerDxe/LocalApicTimerDxe.inf
> +!endif
>   INF MdeModulePkg/Universal/Metronome/Metronome.inf
>   INF MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf
>   INF MdeModulePkg/Core/RuntimeDxe/RuntimeDxe.inf


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