/** @file\r
- CPU DXE Module.\r
+ CPU DXE Module to produce CPU ARCH Protocol and CPU MP Protocol.\r
\r
- Copyright (c) 2008 - 2009, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ Copyright (c) 2008 - 2017, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
-#ifndef _CPU_DXE_H\r
-#define _CPU_DXE_H\r
+#ifndef _CPU_DXE_H_\r
+#define _CPU_DXE_H_\r
\r
#include <PiDxe.h>\r
\r
#include <Protocol/Cpu.h>\r
+#include <Protocol/MpService.h>\r
+#include <Register/Msr.h>\r
+\r
+#include <Ppi/SecPlatformInformation.h>\r
+#include <Ppi/SecPlatformInformation2.h>\r
\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/MtrrLib.h>\r
+#include <Library/LocalApicLib.h>\r
+#include <Library/UefiCpuLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/CpuExceptionHandlerLib.h>\r
+#include <Library/HobLib.h>\r
+#include <Library/ReportStatusCodeLib.h>\r
+#include <Library/MpInitLib.h>\r
+#include <Library/TimerLib.h>\r
\r
-//\r
-//\r
-//\r
-#define INTERRUPT_VECTOR_NUMBER 256\r
+#include <Guid/IdleLoopEvent.h>\r
+#include <Guid/VectorHandoffTable.h>\r
\r
#define EFI_MEMORY_CACHETYPE_MASK (EFI_MEMORY_UC | \\r
EFI_MEMORY_WC | \\r
EFI_MEMORY_UCE \\r
)\r
\r
+#define EFI_MEMORY_PAGETYPE_MASK (EFI_MEMORY_RP | \\r
+ EFI_MEMORY_XP | \\r
+ EFI_MEMORY_RO \\r
+ )\r
+\r
+#define HEAP_GUARD_NONSTOP_MODE \\r
+ ((PcdGet8 (PcdHeapGuardPropertyMask) & (BIT6|BIT4|BIT1|BIT0)) > BIT6)\r
+\r
+#define NULL_DETECTION_NONSTOP_MODE \\r
+ ((PcdGet8 (PcdNullPointerDetectionPropertyMask) & (BIT6|BIT0)) > BIT6)\r
\r
-//\r
-// Function declarations\r
-//\r
+/**\r
+ Flush CPU data cache. If the instruction cache is fully coherent\r
+ with all DMA operations then function can just return EFI_SUCCESS.\r
+\r
+ @param This Protocol instance structure\r
+ @param Start Physical address to start flushing from.\r
+ @param Length Number of bytes to flush. Round up to chipset\r
+ granularity.\r
+ @param FlushType Specifies the type of flush operation to perform.\r
+\r
+ @retval EFI_SUCCESS If cache was flushed\r
+ @retval EFI_UNSUPPORTED If flush type is not supported.\r
+ @retval EFI_DEVICE_ERROR If requested range could not be flushed.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuFlushCpuDataCache (\r
IN EFI_CPU_FLUSH_TYPE FlushType\r
);\r
\r
+/**\r
+ Enables CPU interrupts.\r
+\r
+ @param This Protocol instance structure\r
+\r
+ @retval EFI_SUCCESS If interrupts were enabled in the CPU\r
+ @retval EFI_DEVICE_ERROR If interrupts could not be enabled on the CPU.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuEnableInterrupt (\r
IN EFI_CPU_ARCH_PROTOCOL *This\r
);\r
\r
+/**\r
+ Disables CPU interrupts.\r
+\r
+ @param This Protocol instance structure\r
+\r
+ @retval EFI_SUCCESS If interrupts were disabled in the CPU.\r
+ @retval EFI_DEVICE_ERROR If interrupts could not be disabled on the CPU.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuDisableInterrupt (\r
IN EFI_CPU_ARCH_PROTOCOL *This\r
);\r
\r
+/**\r
+ Return the state of interrupts.\r
+\r
+ @param This Protocol instance structure\r
+ @param State Pointer to the CPU's current interrupt state\r
+\r
+ @retval EFI_SUCCESS If interrupts were disabled in the CPU.\r
+ @retval EFI_INVALID_PARAMETER State is NULL.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuGetInterruptState (\r
OUT BOOLEAN *State\r
);\r
\r
+/**\r
+ Generates an INIT to the CPU.\r
+\r
+ @param This Protocol instance structure\r
+ @param InitType Type of CPU INIT to perform\r
+\r
+ @retval EFI_SUCCESS If CPU INIT occurred. This value should never be\r
+ seen.\r
+ @retval EFI_DEVICE_ERROR If CPU INIT failed.\r
+ @retval EFI_UNSUPPORTED Requested type of CPU INIT not supported.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuInit (\r
IN EFI_CPU_INIT_TYPE InitType\r
);\r
\r
+/**\r
+ Registers a function to be called from the CPU interrupt handler.\r
+\r
+ @param This Protocol instance structure\r
+ @param InterruptType Defines which interrupt to hook. IA-32\r
+ valid range is 0x00 through 0xFF\r
+ @param InterruptHandler A pointer to a function of type\r
+ EFI_CPU_INTERRUPT_HANDLER that is called\r
+ when a processor interrupt occurs. A null\r
+ pointer is an error condition.\r
+\r
+ @retval EFI_SUCCESS If handler installed or uninstalled.\r
+ @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler\r
+ for InterruptType was previously installed.\r
+ @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for\r
+ InterruptType was not previously installed.\r
+ @retval EFI_UNSUPPORTED The interrupt specified by InterruptType\r
+ is not supported.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuRegisterInterruptHandler (\r
IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r
);\r
\r
+/**\r
+ Returns a timer value from one of the CPU's internal timers. There is no\r
+ inherent time interval between ticks but is a function of the CPU frequency.\r
+\r
+ @param This - Protocol instance structure.\r
+ @param TimerIndex - Specifies which CPU timer is requested.\r
+ @param TimerValue - Pointer to the returned timer value.\r
+ @param TimerPeriod - A pointer to the amount of time that passes\r
+ in femtoseconds (10-15) for each increment\r
+ of TimerValue. If TimerValue does not\r
+ increment at a predictable rate, then 0 is\r
+ returned. The amount of time that has\r
+ passed between two calls to GetTimerValue()\r
+ can be calculated with the formula\r
+ (TimerValue2 - TimerValue1) * TimerPeriod.\r
+ This parameter is optional and may be NULL.\r
+\r
+ @retval EFI_SUCCESS - If the CPU timer count was returned.\r
+ @retval EFI_UNSUPPORTED - If the CPU does not have any readable timers.\r
+ @retval EFI_DEVICE_ERROR - If an error occurred while reading the timer.\r
+ @retval EFI_INVALID_PARAMETER - TimerIndex is not valid or TimerValue is NULL.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuGetTimerValue (\r
OUT UINT64 *TimerPeriod OPTIONAL\r
);\r
\r
+/**\r
+ Set memory cacheability attributes for given range of memeory.\r
+\r
+ @param This Protocol instance structure\r
+ @param BaseAddress Specifies the start address of the\r
+ memory range\r
+ @param Length Specifies the length of the memory range\r
+ @param Attributes The memory cacheability for the memory range\r
+\r
+ @retval EFI_SUCCESS If the cacheability of that memory range is\r
+ set successfully\r
+ @retval EFI_UNSUPPORTED If the desired operation cannot be done\r
+ @retval EFI_INVALID_PARAMETER The input parameter is not correct,\r
+ such as Length = 0\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
CpuSetMemoryAttributes (\r
IN UINT64 Attributes\r
);\r
\r
+/**\r
+ Initialize Global Descriptor Table.\r
+\r
+**/\r
VOID\r
-EFIAPI\r
-AsmIdtVector00 (\r
+InitGlobalDescriptorTable (\r
VOID\r
);\r
\r
+/**\r
+ Sets the code selector (CS).\r
+\r
+ @param Selector Value of code selector.\r
+\r
+**/\r
VOID\r
EFIAPI\r
-InitializeExternalVectorTablePtr (\r
- EFI_CPU_INTERRUPT_HANDLER *VectorTable\r
+SetCodeSelector (\r
+ UINT16 Selector\r
);\r
\r
+/**\r
+ Sets the data selector (DS).\r
+\r
+ @param Selector Value of data selector.\r
+\r
+**/\r
VOID\r
-InitGlobalDescriptorTable (\r
+EFIAPI\r
+SetDataSelectors (\r
+ UINT16 Selector\r
+ );\r
+\r
+/**\r
+ Update GCD memory space attributes according to current page table setup.\r
+**/\r
+VOID\r
+RefreshGcdMemoryAttributesFromPaging (\r
VOID\r
);\r
\r
+/**\r
+ Special handler for #DB exception, which will restore the page attributes\r
+ (not-present). It should work with #PF handler which will set pages to\r
+ 'present'.\r
+\r
+ @param ExceptionType Exception type.\r
+ @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.\r
+\r
+**/\r
VOID\r
EFIAPI\r
-SetCodeSelector (\r
- UINT16 Selector\r
+DebugExceptionHandler (\r
+ IN EFI_EXCEPTION_TYPE ExceptionType,\r
+ IN EFI_SYSTEM_CONTEXT SystemContext\r
);\r
\r
+/**\r
+ Special handler for #PF exception, which will set the pages which caused\r
+ #PF to be 'present'. The attribute of those pages should be restored in\r
+ the subsequent #DB handler.\r
+\r
+ @param ExceptionType Exception type.\r
+ @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.\r
+\r
+**/\r
VOID\r
EFIAPI\r
-SetDataSelectors (\r
- UINT16 Selector\r
+PageFaultExceptionHandler (\r
+ IN EFI_EXCEPTION_TYPE ExceptionType,\r
+ IN EFI_SYSTEM_CONTEXT SystemContext\r
);\r
\r
+extern BOOLEAN mIsAllocatingPageTable;\r
+extern UINTN mNumberOfProcessors;\r
\r
#endif\r
\r
projects / mirror_edk2.git / blobdiff