From: Laszlo Ersek <ler...@redhat.com> This driver (from "MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf") is first loaded normally during DXE. When the EFI_DXE_SMM_READY_TO_LOCK_PROTOCOL is installed by any DXE driver (purely as a form of notification), the driver reloads itself to reserved memory.
During S3 Resume / PEI, the driver image is executed from there. In order to access the boot script saved during S3 Suspend, LockBox access is needed. The boot script is transferred internal to PiDxeS3BootScriptLib: Both S3SaveStateDxe and BootScriptExecutorDxe are statically linked against PiDxeS3BootScriptLib. Whichever is loaded first (during normal boot, in the DXE phase), allocates the root storage for the script. The address is then passed between the PiDxeS3BootScriptLib instances living in the two separate drivers thru the dynamic PcdS3BootScriptTablePrivateDataPtr PCD. Dependencies: BootScriptExecutorDxe gEfiLockBoxProtocolGuid [OvmfPkg/AcpiS3SaveDxe] S3BootScriptLib [PiDxeS3BootScriptLib] SmbusLib [BaseSmbusLibNull] LockBoxLib [OvmfPkg/Library/LockBoxLib] LockBoxLib [OvmfPkg/Library/LockBoxLib] Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <ler...@redhat.com> Reviewed-by: Jordan Justen <jordan.l.jus...@intel.com> --- OvmfPkg/OvmfPkgIa32.dsc | 1 + OvmfPkg/OvmfPkgIa32.fdf | 1 + OvmfPkg/OvmfPkgIa32X64.dsc | 1 + OvmfPkg/OvmfPkgIa32X64.fdf | 1 + OvmfPkg/OvmfPkgX64.dsc | 1 + OvmfPkg/OvmfPkgX64.fdf | 1 + 6 files changed, 6 insertions(+) diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 40f31c4..4441a56 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -479,6 +479,7 @@ OvmfPkg/AcpiTables/AcpiTables.inf OvmfPkg/AcpiS3SaveDxe/AcpiS3SaveDxe.inf MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf + MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf # # Network Support diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf index 0ec93b5..00de317 100644 --- a/OvmfPkg/OvmfPkgIa32.fdf +++ b/OvmfPkg/OvmfPkgIa32.fdf @@ -323,6 +323,7 @@ INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf INF OvmfPkg/AcpiS3SaveDxe/AcpiS3SaveDxe.inf INF MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf +INF MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 3845493..f8d0081 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -486,6 +486,7 @@ OvmfPkg/AcpiTables/AcpiTables.inf OvmfPkg/AcpiS3SaveDxe/AcpiS3SaveDxe.inf MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf + MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf # # Network Support diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf index 42dff85..49c2807 100644 --- a/OvmfPkg/OvmfPkgIa32X64.fdf +++ b/OvmfPkg/OvmfPkgIa32X64.fdf @@ -323,6 +323,7 @@ INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf INF OvmfPkg/AcpiS3SaveDxe/AcpiS3SaveDxe.inf INF MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf +INF MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf INF RuleOverride = BINARY USE = X64 FatBinPkg/EnhancedFatDxe/Fat.inf diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 5ceaa32..67d7926 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -484,6 +484,7 @@ OvmfPkg/AcpiTables/AcpiTables.inf OvmfPkg/AcpiS3SaveDxe/AcpiS3SaveDxe.inf MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf + MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf # # Network Support diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf index 2b808dd..592ca91 100644 --- a/OvmfPkg/OvmfPkgX64.fdf +++ b/OvmfPkg/OvmfPkgX64.fdf @@ -323,6 +323,7 @@ INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf INF OvmfPkg/AcpiS3SaveDxe/AcpiS3SaveDxe.inf INF MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf +INF MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf -- 1.9.rc1 ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel