From eb16e24041d74b607d848adba78ea4f417edff44 Mon Sep 17 00:00:00 2001 From: klu2 Date: Tue, 29 Apr 2008 07:50:58 +0000 Subject: Add 8254 module and fix the hob operation for R9 library. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5150 6f19259b-4bc3-4df7-8a09-765794883524 --- DuetPkg/8254TimerDxe/8254Timer.inf | 50 +++ DuetPkg/8254TimerDxe/Timer.c | 491 +++++++++++++++++++++++++++++ DuetPkg/8254TimerDxe/Timer.h | 236 ++++++++++++++ DuetPkg/DuetPkg.dsc | 3 +- DuetPkg/DuetPkg.fdf | 4 +- DuetPkg/DxeIpl/DxeInit.c | 26 +- DuetPkg/FSVariable/FSVariable.c | 26 +- DuetPkg/FSVariable/FSVariable.inf | 2 + DuetPkg/FvbRuntimeService/FWBlockService.c | 23 +- 9 files changed, 828 insertions(+), 33 deletions(-) create mode 100644 DuetPkg/8254TimerDxe/8254Timer.inf create mode 100644 DuetPkg/8254TimerDxe/Timer.c create mode 100644 DuetPkg/8254TimerDxe/Timer.h (limited to 'DuetPkg') diff --git a/DuetPkg/8254TimerDxe/8254Timer.inf b/DuetPkg/8254TimerDxe/8254Timer.inf new file mode 100644 index 0000000000..5f11112264 --- /dev/null +++ b/DuetPkg/8254TimerDxe/8254Timer.inf @@ -0,0 +1,50 @@ +#/*++ +# +# Copyright (c) 2005, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# Timer.inf +# +# Abstract: +# +#--*/ +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = Timer + FILE_GUID = f2765dec-6b41-11d5-8e71-00902707b35e + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + EDK_RELEASE_VERSION = 0x00020000 + EFI_SPECIFICATION_VERSION = 0x00020000 + + ENTRY_POINT = TimerDriverInitialize + +[Packages] + MdePkg/MdePkg.dec + IntelFrameworkPkg/IntelFrameworkPkg.dec + +[LibraryClasses] + UefiBootServicesTableLib + BaseLib + DebugLib + UefiDriverEntryPoint + +[Sources.common] + Timer.h + Timer.c + +[Protocols] + gEfiCpuIoProtocolGuid + gEfiCpuArchProtocolGuid + gEfiLegacy8259ProtocolGuid + gEfiTimerArchProtocolGuid + +[Depex] + gEfiCpuIoProtocolGuid AND gEfiCpuArchProtocolGuid AND gEfiLegacy8259ProtocolGuid \ No newline at end of file diff --git a/DuetPkg/8254TimerDxe/Timer.c b/DuetPkg/8254TimerDxe/Timer.c new file mode 100644 index 0000000000..f74827061e --- /dev/null +++ b/DuetPkg/8254TimerDxe/Timer.c @@ -0,0 +1,491 @@ +/*++ + +Copyright (c) 2005 - 2006, Intel Corporation +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + +Module Name: + + Timer.c + +Abstract: + + Timer Architectural Protocol as defined in the DXE CIS + +--*/ + +#include "Timer.h" + +// +// The handle onto which the Timer Architectural Protocol will be installed +// +EFI_HANDLE mTimerHandle = NULL; + +// +// The Timer Architectural Protocol that this driver produces +// +EFI_TIMER_ARCH_PROTOCOL mTimer = { + TimerDriverRegisterHandler, + TimerDriverSetTimerPeriod, + TimerDriverGetTimerPeriod, + TimerDriverGenerateSoftInterrupt +}; + +// +// Pointer to the CPU Architectural Protocol instance +// +EFI_CPU_ARCH_PROTOCOL *mCpu; + +// +// Pointer to the CPU I/O Protocol instance +// +EFI_CPU_IO_PROTOCOL *mCpuIo; + +// +// Pointer to the Legacy 8259 Protocol instance +// +EFI_LEGACY_8259_PROTOCOL *mLegacy8259; + +// +// The notification function to call on every timer interrupt. +// A bug in the compiler prevents us from initializing this here. +// +volatile EFI_TIMER_NOTIFY mTimerNotifyFunction; + +// +// The current period of the timer interrupt +// +volatile UINT64 mTimerPeriod = 0; + +// +// Worker Functions +// +VOID +SetPitCount ( + IN UINT16 Count + ) +/*++ + +Routine Description: + + Sets the counter value for Timer #0 in a legacy 8254 timer. + +Arguments: + + Count - The 16-bit counter value to program into Timer #0 of the legacy 8254 timer. + +Returns: + + None + +--*/ +{ + UINT8 Data; + + Data = 0x36; + mCpuIo->Io.Write (mCpuIo, EfiCpuIoWidthUint8, TIMER_CONTROL_PORT, 1, &Data); + mCpuIo->Io.Write (mCpuIo, EfiCpuIoWidthFifoUint8, TIMER0_COUNT_PORT, 2, &Count); +} + +VOID +EFIAPI +TimerInterruptHandler ( + IN EFI_EXCEPTION_TYPE InterruptType, + IN EFI_SYSTEM_CONTEXT SystemContext + ) +/*++ + +Routine Description: + + 8254 Timer #0 Interrupt Handler + +Arguments: + + InterruptType - The type of interrupt that occured + + SystemContext - A pointer to the system context when the interrupt occured + +Returns: + + None + +--*/ +{ + EFI_TPL OriginalTPL; + + OriginalTPL = gBS->RaiseTPL (TPL_HIGH_LEVEL); + + mLegacy8259->EndOfInterrupt (mLegacy8259, Efi8259Irq0); + + if (mTimerNotifyFunction) { + // + // BUGBUG : This does not handle missed timer interrupts + // + mTimerNotifyFunction (mTimerPeriod); + } + + gBS->RestoreTPL (OriginalTPL); +} + +EFI_STATUS +EFIAPI +TimerDriverRegisterHandler ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + IN EFI_TIMER_NOTIFY NotifyFunction + ) +/*++ + +Routine Description: + + This function registers the handler NotifyFunction so it is called every time + the timer interrupt fires. It also passes the amount of time since the last + handler call to the NotifyFunction. If NotifyFunction is NULL, then the + handler is unregistered. If the handler is registered, then EFI_SUCCESS is + returned. If the CPU does not support registering a timer interrupt handler, + then EFI_UNSUPPORTED is returned. If an attempt is made to register a handler + when a handler is already registered, then EFI_ALREADY_STARTED is returned. + If an attempt is made to unregister a handler when a handler is not registered, + then EFI_INVALID_PARAMETER is returned. If an error occurs attempting to + register the NotifyFunction with the timer interrupt, then EFI_DEVICE_ERROR + is returned. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + + NotifyFunction - The function to call when a timer interrupt fires. This + function executes at TPL_HIGH_LEVEL. The DXE Core will + register a handler for the timer interrupt, so it can know + how much time has passed. This information is used to + signal timer based events. NULL will unregister the handler. + +Returns: + + EFI_SUCCESS - The timer handler was registered. + + EFI_UNSUPPORTED - The platform does not support timer interrupts. + + EFI_ALREADY_STARTED - NotifyFunction is not NULL, and a handler is already + registered. + + EFI_INVALID_PARAMETER - NotifyFunction is NULL, and a handler was not + previously registered. + + EFI_DEVICE_ERROR - The timer handler could not be registered. + +--*/ +{ + // + // Check for invalid parameters + // + if (NotifyFunction == NULL && mTimerNotifyFunction == NULL) { + return EFI_INVALID_PARAMETER; + } + + if (NotifyFunction != NULL && mTimerNotifyFunction != NULL) { + return EFI_ALREADY_STARTED; + } + + mTimerNotifyFunction = NotifyFunction; + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +TimerDriverSetTimerPeriod ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + IN UINT64 TimerPeriod + ) +/*++ + +Routine Description: + + This function adjusts the period of timer interrupts to the value specified + by TimerPeriod. If the timer period is updated, then the selected timer + period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. If + the timer hardware is not programmable, then EFI_UNSUPPORTED is returned. + If an error occurs while attempting to update the timer period, then the + timer hardware will be put back in its state prior to this call, and + EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer interrupt + is disabled. This is not the same as disabling the CPU's interrupts. + Instead, it must either turn off the timer hardware, or it must adjust the + interrupt controller so that a CPU interrupt is not generated when the timer + interrupt fires. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + + TimerPeriod - The rate to program the timer interrupt in 100 nS units. If + the timer hardware is not programmable, then EFI_UNSUPPORTED is + returned. If the timer is programmable, then the timer period + will be rounded up to the nearest timer period that is supported + by the timer hardware. If TimerPeriod is set to 0, then the + timer interrupts will be disabled. + +Returns: + + EFI_SUCCESS - The timer period was changed. + + EFI_UNSUPPORTED - The platform cannot change the period of the timer interrupt. + + EFI_DEVICE_ERROR - The timer period could not be changed due to a device error. + +--*/ +{ + UINT64 TimerCount; + + // + // The basic clock is 1.19318 MHz or 0.119318 ticks per 100 ns. + // TimerPeriod * 0.119318 = 8254 timer divisor. Using integer arithmetic + // TimerCount = (TimerPeriod * 119318)/1000000. + // + // Round up to next highest integer. This guarantees that the timer is + // equal to or slightly longer than the requested time. + // TimerCount = ((TimerPeriod * 119318) + 500000)/1000000 + // + // Note that a TimerCount of 0 is equivalent to a count of 65,536 + // + // Since TimerCount is limited to 16 bits for IA32, TimerPeriod is limited + // to 20 bits. + // + if (TimerPeriod == 0) { + // + // Disable timer interrupt for a TimerPeriod of 0 + // + mLegacy8259->DisableIrq (mLegacy8259, Efi8259Irq0); + } else { + // + // Convert TimerPeriod into 8254 counts + // + TimerCount = DivU64x32 (MultU64x32 (119318, (UINTN) TimerPeriod) + 500000, 1000000); + + // + // Check for overflow + // + if (TimerCount >= 65536) { + TimerCount = 0; + if (TimerPeriod >= DEFAULT_TIMER_TICK_DURATION) { + TimerPeriod = DEFAULT_TIMER_TICK_DURATION; + } + } + // + // Program the 8254 timer with the new count value + // + SetPitCount ((UINT16) TimerCount); + + // + // Enable timer interrupt + // + mLegacy8259->EnableIrq (mLegacy8259, Efi8259Irq0, FALSE); + } + // + // Save the new timer period + // + mTimerPeriod = TimerPeriod; + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +TimerDriverGetTimerPeriod ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + OUT UINT64 *TimerPeriod + ) +/*++ + +Routine Description: + + This function retrieves the period of timer interrupts in 100 ns units, + returns that value in TimerPeriod, and returns EFI_SUCCESS. If TimerPeriod + is NULL, then EFI_INVALID_PARAMETER is returned. If a TimerPeriod of 0 is + returned, then the timer is currently disabled. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + + TimerPeriod - A pointer to the timer period to retrieve in 100 ns units. If + 0 is returned, then the timer is currently disabled. + +Returns: + + EFI_SUCCESS - The timer period was returned in TimerPeriod. + + EFI_INVALID_PARAMETER - TimerPeriod is NULL. + +--*/ +{ + if (TimerPeriod == NULL) { + return EFI_INVALID_PARAMETER; + } + + *TimerPeriod = mTimerPeriod; + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +TimerDriverGenerateSoftInterrupt ( + IN EFI_TIMER_ARCH_PROTOCOL *This + ) +/*++ + +Routine Description: + + This function generates a soft timer interrupt. If the platform does not support soft + timer interrupts, then EFI_UNSUPPORTED is returned. Otherwise, EFI_SUCCESS is returned. + If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.RegisterHandler() + service, then a soft timer interrupt will be generated. If the timer interrupt is + enabled when this service is called, then the registered handler will be invoked. The + registered handler should not be able to distinguish a hardware-generated timer + interrupt from a software-generated timer interrupt. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + +Returns: + + EFI_SUCCESS - The soft timer interrupt was generated. + + EFI_UNSUPPORTEDT - The platform does not support the generation of soft timer interrupts. + +--*/ +{ + EFI_STATUS Status; + UINT16 IRQMask; + EFI_TPL OriginalTPL; + + // + // If the timer interrupt is enabled, then the registered handler will be invoked. + // + Status = mLegacy8259->GetMask (mLegacy8259, NULL, NULL, &IRQMask, NULL); + ASSERT_EFI_ERROR (Status); + if ((IRQMask & 0x1) == 0) { + // + // Invoke the registered handler + // + OriginalTPL = gBS->RaiseTPL (TPL_HIGH_LEVEL); + + if (mTimerNotifyFunction) { + // + // BUGBUG : This does not handle missed timer interrupts + // + mTimerNotifyFunction (mTimerPeriod); + } + + gBS->RestoreTPL (OriginalTPL); + } else { + return EFI_UNSUPPORTED; + } + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +TimerDriverInitialize ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +/*++ + +Routine Description: + + Initialize the Timer Architectural Protocol driver + +Arguments: + + ImageHandle - ImageHandle of the loaded driver + + SystemTable - Pointer to the System Table + +Returns: + + EFI_SUCCESS - Timer Architectural Protocol created + + EFI_OUT_OF_RESOURCES - Not enough resources available to initialize driver. + + EFI_DEVICE_ERROR - A device error occured attempting to initialize the driver. + +--*/ +{ + EFI_STATUS Status; + UINT32 TimerVector; + + // + // Initialize the pointer to our notify function. + // + mTimerNotifyFunction = NULL; + + // + // Make sure the Timer Architectural Protocol is not already installed in the system + // + ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiTimerArchProtocolGuid); + + // + // Find the CPU I/O Protocol. + // + Status = gBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, (VOID **) &mCpuIo); + ASSERT_EFI_ERROR (Status); + + // + // Find the CPU architectural protocol. + // + Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **) &mCpu); + ASSERT_EFI_ERROR (Status); + + // + // Find the Legacy8259 protocol. + // + Status = gBS->LocateProtocol (&gEfiLegacy8259ProtocolGuid, NULL, (VOID **) &mLegacy8259); + ASSERT_EFI_ERROR (Status); + + // + // Force the timer to be disabled + // + Status = TimerDriverSetTimerPeriod (&mTimer, 0); + ASSERT_EFI_ERROR (Status); + + // + // Get the interrupt vector number corresponding to IRQ0 from the 8259 driver + // + TimerVector = 0; + Status = mLegacy8259->GetVector (mLegacy8259, Efi8259Irq0, (UINT8 *) &TimerVector); + ASSERT_EFI_ERROR (Status); + + // + // Install interrupt handler for 8254 Timer #0 (ISA IRQ0) + // + Status = mCpu->RegisterInterruptHandler (mCpu, TimerVector, TimerInterruptHandler); + ASSERT_EFI_ERROR (Status); + + // + // Force the timer to be enabled at its default period + // + Status = TimerDriverSetTimerPeriod (&mTimer, DEFAULT_TIMER_TICK_DURATION); + ASSERT_EFI_ERROR (Status); + + // + // Install the Timer Architectural Protocol onto a new handle + // + Status = gBS->InstallMultipleProtocolInterfaces ( + &mTimerHandle, + &gEfiTimerArchProtocolGuid, + &mTimer, + NULL + ); + ASSERT_EFI_ERROR (Status); + + return Status; +} diff --git a/DuetPkg/8254TimerDxe/Timer.h b/DuetPkg/8254TimerDxe/Timer.h new file mode 100644 index 0000000000..390d202d1f --- /dev/null +++ b/DuetPkg/8254TimerDxe/Timer.h @@ -0,0 +1,236 @@ +/*++ + +Copyright (c) 2005 - 2006, Intel Corporation +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + +Module Name: + + Timer.h + +Abstract: + + Private data structures + +--*/ + +#ifndef _TIMER_H_ +#define _TIMER_H_ + +#include + +#include +#include +#include +#include + +#include +#include +#include + +// +// The PCAT 8253/8254 has an input clock at 1.193182 MHz and Timer 0 is +// initialized as a 16 bit free running counter that generates an interrupt(IRQ0) +// each time the counter rolls over. +// +// 65536 counts +// ---------------- * 1,000,000 uS/S = 54925.4 uS = 549254 * 100 ns +// 1,193,182 Hz +// +#define DEFAULT_TIMER_TICK_DURATION 549254 +#define TIMER_CONTROL_PORT 0x43 +#define TIMER0_COUNT_PORT 0x40 + +// +// Function Prototypes +// +EFI_STATUS +EFIAPI +TimerDriverInitialize ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +/*++ + +Routine Description: + + Initialize the Timer Architectural Protocol driver + +Arguments: + + ImageHandle - ImageHandle of the loaded driver + + SystemTable - Pointer to the System Table + +Returns: + + EFI_SUCCESS - Timer Architectural Protocol created + + EFI_OUT_OF_RESOURCES - Not enough resources available to initialize driver. + + EFI_DEVICE_ERROR - A device error occured attempting to initialize the driver. + +--*/ +; + +EFI_STATUS +EFIAPI +TimerDriverRegisterHandler ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + IN EFI_TIMER_NOTIFY NotifyFunction + ) +/*++ + +Routine Description: + + This function registers the handler NotifyFunction so it is called every time + the timer interrupt fires. It also passes the amount of time since the last + handler call to the NotifyFunction. If NotifyFunction is NULL, then the + handler is unregistered. If the handler is registered, then EFI_SUCCESS is + returned. If the CPU does not support registering a timer interrupt handler, + then EFI_UNSUPPORTED is returned. If an attempt is made to register a handler + when a handler is already registered, then EFI_ALREADY_STARTED is returned. + If an attempt is made to unregister a handler when a handler is not registered, + then EFI_INVALID_PARAMETER is returned. If an error occurs attempting to + register the NotifyFunction with the timer interrupt, then EFI_DEVICE_ERROR + is returned. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + + NotifyFunction - The function to call when a timer interrupt fires. This + function executes at TPL_HIGH_LEVEL. The DXE Core will + register a handler for the timer interrupt, so it can know + how much time has passed. This information is used to + signal timer based events. NULL will unregister the handler. + +Returns: + + EFI_SUCCESS - The timer handler was registered. + + EFI_UNSUPPORTED - The platform does not support timer interrupts. + + EFI_ALREADY_STARTED - NotifyFunction is not NULL, and a handler is already + registered. + + EFI_INVALID_PARAMETER - NotifyFunction is NULL, and a handler was not + previously registered. + + EFI_DEVICE_ERROR - The timer handler could not be registered. + +--*/ +; + +EFI_STATUS +EFIAPI +TimerDriverSetTimerPeriod ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + IN UINT64 TimerPeriod + ) +/*++ + +Routine Description: + + This function adjusts the period of timer interrupts to the value specified + by TimerPeriod. If the timer period is updated, then the selected timer + period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. If + the timer hardware is not programmable, then EFI_UNSUPPORTED is returned. + If an error occurs while attempting to update the timer period, then the + timer hardware will be put back in its state prior to this call, and + EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer interrupt + is disabled. This is not the same as disabling the CPU's interrupts. + Instead, it must either turn off the timer hardware, or it must adjust the + interrupt controller so that a CPU interrupt is not generated when the timer + interrupt fires. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + + TimerPeriod - The rate to program the timer interrupt in 100 nS units. If + the timer hardware is not programmable, then EFI_UNSUPPORTED is + returned. If the timer is programmable, then the timer period + will be rounded up to the nearest timer period that is supported + by the timer hardware. If TimerPeriod is set to 0, then the + timer interrupts will be disabled. + +Returns: + + EFI_SUCCESS - The timer period was changed. + + EFI_UNSUPPORTED - The platform cannot change the period of the timer interrupt. + + EFI_DEVICE_ERROR - The timer period could not be changed due to a device error. + +--*/ +; + +EFI_STATUS +EFIAPI +TimerDriverGetTimerPeriod ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + OUT UINT64 *TimerPeriod + ) +/*++ + +Routine Description: + + This function retrieves the period of timer interrupts in 100 ns units, + returns that value in TimerPeriod, and returns EFI_SUCCESS. If TimerPeriod + is NULL, then EFI_INVALID_PARAMETER is returned. If a TimerPeriod of 0 is + returned, then the timer is currently disabled. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + + TimerPeriod - A pointer to the timer period to retrieve in 100 ns units. If + 0 is returned, then the timer is currently disabled. + +Returns: + + EFI_SUCCESS - The timer period was returned in TimerPeriod. + + EFI_INVALID_PARAMETER - TimerPeriod is NULL. + +--*/ +; + +EFI_STATUS +EFIAPI +TimerDriverGenerateSoftInterrupt ( + IN EFI_TIMER_ARCH_PROTOCOL *This + ) +/*++ + +Routine Description: + + This function generates a soft timer interrupt. If the platform does not support soft + timer interrupts, then EFI_UNSUPPORTED is returned. Otherwise, EFI_SUCCESS is returned. + If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.RegisterHandler() + service, then a soft timer interrupt will be generated. If the timer interrupt is + enabled when this service is called, then the registered handler will be invoked. The + registered handler should not be able to distinguish a hardware-generated timer + interrupt from a software-generated timer interrupt. + +Arguments: + + This - The EFI_TIMER_ARCH_PROTOCOL instance. + +Returns: + + EFI_SUCCESS - The soft timer interrupt was generated. + + EFI_UNSUPPORTEDT - The platform does not support the generation of soft timer interrupts. + +--*/ +; + +#endif diff --git a/DuetPkg/DuetPkg.dsc b/DuetPkg/DuetPkg.dsc index f2664af23d..ba0460ba41 100644 --- a/DuetPkg/DuetPkg.dsc +++ b/DuetPkg/DuetPkg.dsc @@ -109,7 +109,7 @@ MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf DuetPkg/FSVariable/FSVariable.inf - + MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe.inf IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/IsaSerialDxe.inf { @@ -139,6 +139,7 @@ DuetPkg/LegacyMetronome/Metronome.inf DuetPkg/PcRtc/RealTimeClock.inf + DuetPkg/8254TimerDxe/8254Timer.inf DuetPkg/PciRootBridgeNoEnumerationDxe/PciRootBridgeNoEnumeration.inf IntelFrameworkModulePkg/Universal/Console/VgaClassDxe/VgaClassDxe.inf diff --git a/DuetPkg/DuetPkg.fdf b/DuetPkg/DuetPkg.fdf index 3676290a5f..eaa2fdfb91 100644 --- a/DuetPkg/DuetPkg.fdf +++ b/DuetPkg/DuetPkg.fdf @@ -70,7 +70,7 @@ INF MdeModulePkg/Core/RuntimeDxe/RuntimeDxe.inf INF MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf INF DuetPkg/FSVariable/FSVariable.inf - +INF MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf INF MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf INF MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe.inf INF IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/IsaSerialDxe.inf @@ -94,7 +94,7 @@ INF DuetPkg/CpuDxe/Cpu.inf INF IntelFrameworkModulePkg/Universal/Legacy8259Dxe/8259.inf INF DuetPkg/KbcResetDxe/Reset.inf INF DuetPkg/LegacyMetronome/Metronome.inf - +INF DuetPkg/8254TimerDxe/8254Timer.inf INF DuetPkg/PcRtc/RealTimeClock.inf INF DuetPkg/PciRootBridgeNoEnumerationDxe/PciRootBridgeNoEnumeration.inf INF IntelFrameworkModulePkg/Universal/Console/VgaClassDxe/VgaClassDxe.inf diff --git a/DuetPkg/DxeIpl/DxeInit.c b/DuetPkg/DxeIpl/DxeInit.c index 9cce964ae2..e42cd4c0db 100644 --- a/DuetPkg/DxeIpl/DxeInit.c +++ b/DuetPkg/DxeIpl/DxeInit.c @@ -135,7 +135,8 @@ Returns: VOID *MemoryTopOnDescriptor; VOID *MemoryDescriptor; VOID *NvStorageBase; - + CHAR8 PrintBuffer[256]; + PrintString("Enter DxeIpl ...\n"); /* ClearScreen(); @@ -182,9 +183,15 @@ Returns: // 3.1 NV data NvStorageBase = PrepareHobNvStorage (MemoryTopOnDescriptor); + AsciiSPrint (PrintBuffer, 256, "NV Storage Base=0x%x\n", (UINTN)NvStorageBase); + PrintString (PrintBuffer); + // 3.2 Stack StackTop = NvStorageBase; StackBottom = PrepareHobStack (StackTop); + AsciiSPrint (PrintBuffer, 256, "Stack Top=0x%x, Stack Bottom=0x%x\n", + (UINTN)StackTop, (UINTN)StackBottom); + PrintString (PrintBuffer); // 3.3 Page Table PageTableBase = PreparePageTable (StackBottom, gHob->Cpu.SizeOfMemorySpace); // 3.4 MemDesc (will be used in PlatformBds) @@ -206,6 +213,21 @@ Returns: CompleteHobGeneration (); + AsciiSPrint (PrintBuffer, 256, "HobStart=0x%x\n", (UINTN)gHob); + PrintString (PrintBuffer); + + AsciiSPrint (PrintBuffer, 256, "Memory Top=0x%x, Bottom=0x%x\n", + (UINTN)gHob->Phit.EfiMemoryTop, (UINTN)gHob->Phit.EfiMemoryBottom); + PrintString (PrintBuffer); + + AsciiSPrint (PrintBuffer, 256, "Free Memory Top=0x%x, Bottom=0x%x\n", + (UINTN)gHob->Phit.EfiFreeMemoryTop, (UINTN)gHob->Phit.EfiFreeMemoryBottom); + PrintString (PrintBuffer); + + AsciiSPrint (PrintBuffer, 256, "Nv Base=0x%x, Length=0x%x\n", + (UINTN)gHob->NvStorageFvb.FvbInfo.Entries[0].Base, + (UINTN)gHob->NvFtwFvb.FvbInfo.Entries[0].Length); + PrintString (PrintBuffer); /* // // Print Hob Info @@ -269,11 +291,11 @@ Returns: PrintString("\n"); EFI_DEADLOOP(); */ - ClearScreen(); PrintString("\n\n\n\n\n\n\n\n\n\n"); PrintString(" WELCOME TO EFI WORLD!\n"); + EnterDxeMain (StackTop, Handoff->DxeCoreEntryPoint, gHob, PageTableBase); // diff --git a/DuetPkg/FSVariable/FSVariable.c b/DuetPkg/FSVariable/FSVariable.c index 0413691067..cfe76ccc95 100644 --- a/DuetPkg/FSVariable/FSVariable.c +++ b/DuetPkg/FSVariable/FSVariable.c @@ -1154,12 +1154,11 @@ Returns: EFI_STATUS Status; EFI_HANDLE NewHandle; VS_DEV *Dev; - VOID *HobList; + EFI_PEI_HOB_POINTERS GuidHob; VARIABLE_HEADER *NextVariable; VARIABLE_STORE_HEADER *VariableStoreHeader; EFI_FLASH_MAP_FS_ENTRY_DATA *FlashMapEntryData; EFI_FLASH_SUBAREA_ENTRY VariableStoreEntry; - VOID *Buffer; UINT64 BaseAddress; UINT64 Length; EFI_GCD_MEMORY_SPACE_DESCRIPTOR GcdDescriptor; @@ -1173,27 +1172,18 @@ Returns: return Status; } - Status = EfiGetSystemConfigurationTable (&gEfiHobListGuid, &HobList); - - if (EFI_ERROR (Status)) { - return Status; - } - - - for (FlashMapEntryData = NULL; ;) { - Buffer = GetNextGuidHob (&gEfiFlashMapHobGuid, &HobList); - - FlashMapEntryData = (EFI_FLASH_MAP_FS_ENTRY_DATA *) Buffer; - - // - // Get the variable store area - // + GuidHob.Raw = GetHobList (); + FlashMapEntryData = NULL; + while ((GuidHob.Raw = GetNextGuidHob (&gEfiFlashMapHobGuid, GuidHob.Raw)) != NULL) { + FlashMapEntryData = (EFI_FLASH_MAP_FS_ENTRY_DATA *) GET_GUID_HOB_DATA (GuidHob.Guid); if (FlashMapEntryData->AreaType == EFI_FLASH_AREA_EFI_VARIABLES) { break; } + GuidHob.Raw = GET_NEXT_HOB (GuidHob); } - if (EFI_ERROR (Status) || FlashMapEntryData == NULL) { + if (FlashMapEntryData == NULL) { + DEBUG ((EFI_D_ERROR, "FSVariable: Could not find flash area for variable!\n")); Status = EFI_NOT_FOUND; return Status; } diff --git a/DuetPkg/FSVariable/FSVariable.inf b/DuetPkg/FSVariable/FSVariable.inf index 9a9ff7feff..d2c29e926c 100644 --- a/DuetPkg/FSVariable/FSVariable.inf +++ b/DuetPkg/FSVariable/FSVariable.inf @@ -67,3 +67,5 @@ [Pcd] gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize +[Depex] + TRUE diff --git a/DuetPkg/FvbRuntimeService/FWBlockService.c b/DuetPkg/FvbRuntimeService/FWBlockService.c index ab1ef25f57..e4dab6339e 100644 --- a/DuetPkg/FvbRuntimeService/FWBlockService.c +++ b/DuetPkg/FvbRuntimeService/FWBlockService.c @@ -1329,7 +1329,7 @@ Returns: EFI_STATUS GetFvbHeader ( - IN OUT VOID **HobList, + IN OUT EFI_PEI_HOB_POINTERS *HobList, OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader, OUT EFI_PHYSICAL_ADDRESS *BaseAddress OPTIONAL, OUT UINT32 *VolumeId OPTIONAL, @@ -1340,7 +1340,6 @@ GetFvbHeader ( ) { EFI_STATUS Status; - VOID *Buffer; EFI_FLASH_MAP_FS_ENTRY_DATA *FlashMapEntry; EFI_FLASH_SUBAREA_ENTRY *FlashMapSubEntry; @@ -1348,13 +1347,15 @@ GetFvbHeader ( *FwVolHeader = NULL; TRY_ASSIGN (WriteBack, FALSE); - Buffer = GetNextGuidHob (&gEfiFlashMapHobGuid, HobList); - if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_INFO, "Hob start is 0x%x\n", (UINTN)(*HobList).Raw)); + (*HobList).Raw = GetNextGuidHob (&gEfiFlashMapHobGuid, (*HobList).Raw); + if ((*HobList).Raw == NULL) { return EFI_NOT_FOUND; } - FlashMapEntry = (EFI_FLASH_MAP_FS_ENTRY_DATA *) Buffer; + FlashMapEntry = (EFI_FLASH_MAP_FS_ENTRY_DATA *) GET_GUID_HOB_DATA ((*HobList).Guid); FlashMapSubEntry = &FlashMapEntry->Entries[0]; + // // Check if it is a "FVB" area // @@ -1548,7 +1549,7 @@ Returns: EFI_FW_VOL_INSTANCE *FwhInstance; EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; VOID *HobList; - VOID *FirmwareVolumeHobList; + EFI_PEI_HOB_POINTERS FirmwareVolumeHobList; UINT32 BufferSize; EFI_FV_BLOCK_MAP_ENTRY *PtrBlockMapEntry; UINTN LbaAddress; @@ -1591,12 +1592,13 @@ Returns: // Calculate the total size for all firmware volume block instances // BufferSize = 0; - FirmwareVolumeHobList = HobList; + FirmwareVolumeHobList.Raw = GetHobList(); do { Status = GetFvbHeader (&FirmwareVolumeHobList, &FwVolHeader, NULL, NULL, NULL, NULL, NULL, NULL); if (EFI_ERROR (Status)) { break; } + FirmwareVolumeHobList.Raw = GET_NEXT_HOB (FirmwareVolumeHobList); if (FwVolHeader) { BufferSize += (FwVolHeader->HeaderLength + sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER)); @@ -1621,9 +1623,9 @@ Returns: FwhInstance = mFvbModuleGlobal->FvInstance[FVB_PHYSICAL]; mFvbModuleGlobal->FvInstance[FVB_VIRTUAL] = FwhInstance; - mFvbModuleGlobal->NumFv = 0; - FirmwareVolumeHobList = HobList; - MaxLbaSize = 0; + mFvbModuleGlobal->NumFv = 0; + FirmwareVolumeHobList.Raw = GetHobList(); + MaxLbaSize = 0; // // Fill in the private data of each firmware volume block instance @@ -1637,6 +1639,7 @@ Returns: if (EFI_ERROR (Status)) { break; } + FirmwareVolumeHobList.Raw = GET_NEXT_HOB (FirmwareVolumeHobList); if (!FwVolHeader) { continue; -- cgit v1.2.3