mirror of https://github.com/acidanthera/audk.git
UefiCpuPkg/MtrrLib: Fix some typo and clean up code format
Fixed some typo. Removed some trailing spaces and TAB key. Clean up code format. Cc: Feng Tian <feng.tian@intel.com> Cc: Michael Kinney <michael.d.kinney@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Michael Kinney <michael.d.kinney@intel.com> Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19152 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Michael Kinney
vanjeff
parent
46309b1101
commit
76b4cae357
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@ -84,8 +84,8 @@ typedef struct {
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// Structure to hold base and mask pair for variable MTRR register
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//
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typedef struct _MTRR_VARIABLE_SETTING_ {
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UINT64 Base;
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UINT64 Mask;
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UINT64 Base;
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UINT64 Mask;
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} MTRR_VARIABLE_SETTING;
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//
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@ -115,11 +115,11 @@ typedef struct _MTRR_SETTINGS_ {
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// Memory cache types
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//
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typedef enum {
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CacheUncacheable = 0,
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CacheWriteCombining = 1,
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CacheWriteThrough = 4,
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CacheWriteProtected = 5,
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CacheWriteBack = 6
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CacheUncacheable = 0,
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CacheWriteCombining = 1,
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CacheWriteThrough = 4,
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CacheWriteProtected = 5,
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CacheWriteBack = 6
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} MTRR_MEMORY_CACHE_TYPE;
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#define MTRR_CACHE_UNCACHEABLE 0
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@ -156,20 +156,27 @@ GetFirmwareVariableMtrrCount (
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/**
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This function attempts to set the attributes for a memory range.
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@param BaseAddress The physical address that is the start address of a memory region.
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@param Length The size in bytes of the memory region.
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@param Attributes The bit mask of attributes to set for the memory region.
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@param[in] BaseAddress The physical address that is the start
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address of a memory region.
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@param[in] Length The size in bytes of the memory region.
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@param[in] Attribute The bit mask of attributes to set for the
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memory region.
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@retval RETURN_SUCCESS The attributes were set for the memory region.
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@retval RETURN_SUCCESS The attributes were set for the memory
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region.
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@retval RETURN_INVALID_PARAMETER Length is zero.
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@retval RETURN_UNSUPPORTED The processor does not support one or more bytes of the
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memory resource range specified by BaseAddress and Length.
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@retval RETURN_UNSUPPORTED The bit mask of attributes is not support for the memory resource
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range specified by BaseAddress and Length.
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@retval RETURN_ACCESS_DENIED The attributes for the memory resource range specified by
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BaseAddress and Length cannot be modified.
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@retval RETURN_OUT_OF_RESOURCES There are not enough system resources to modify the attributes of
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the memory resource range.
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@retval RETURN_UNSUPPORTED The processor does not support one or
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more bytes of the memory resource range
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specified by BaseAddress and Length.
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@retval RETURN_UNSUPPORTED The bit mask of attributes is not support
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for the memory resource range specified
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by BaseAddress and Length.
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@retval RETURN_ACCESS_DENIED The attributes for the memory resource
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range specified by BaseAddress and Length
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cannot be modified.
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@retval RETURN_OUT_OF_RESOURCES There are not enough system resources to
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modify the attributes of the memory
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resource range.
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**/
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RETURN_STATUS
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@ -185,7 +192,7 @@ MtrrSetMemoryAttribute (
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This function will get the memory cache type of the specific address.
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This function is mainly for debugging purposes.
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@param Address The specific address
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@param[in] Address The specific address
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@return The memory cache type of the specific address
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@ -200,7 +207,7 @@ MtrrGetMemoryAttribute (
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/**
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This function will get the raw value in variable MTRRs
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@param VariableSettings A buffer to hold variable MTRRs content.
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@param[out] VariableSettings A buffer to hold variable MTRRs content.
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@return The buffer point to MTRR_VARIABLE_SETTINGS in which holds the content of the variable mtrr
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@ -215,7 +222,7 @@ MtrrGetVariableMtrr (
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/**
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This function sets fixed MTRRs
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@param VariableSettings A buffer to hold variable MTRRs content.
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@param[in] VariableSettings A buffer to hold variable MTRRs content.
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@return The pointer of VariableSettings
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@ -230,7 +237,7 @@ MtrrSetVariableMtrr (
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/**
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This function gets the content in fixed MTRRs
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@param FixedSettings A buffer to hold fixed MTRRs content.
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@param[out] FixedSettings A buffer to hold fixed MTRRs content.
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@return The pointer of FixedSettings
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@ -245,7 +252,7 @@ MtrrGetFixedMtrr (
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/**
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This function sets fixed MTRRs
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@param FixedSettings A buffer holding fixed MTRRs content.
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@param[in] FixedSettings A buffer holding fixed MTRRs content.
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@return The pointer of FixedSettings
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@ -260,7 +267,7 @@ MtrrSetFixedMtrr (
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/**
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This function gets the content in all MTRRs (variable and fixed)
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@param MtrrSetting A buffer to hold all MTRRs content.
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@param[out] MtrrSetting A buffer to hold all MTRRs content.
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@return The pointer of MtrrSetting
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@ -275,7 +282,7 @@ MtrrGetAllMtrrs (
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/**
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This function sets all MTRRs (variable and fixed)
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@param MtrrSetting A buffer to hold all MTRRs content.
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@param[in] MtrrSetting A buffer to hold all MTRRs content.
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@return The pointer of MtrrSetting
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@ -293,11 +300,12 @@ MtrrSetAllMtrrs (
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This function shadows the content of variable MTRRs into
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an internal array: VariableMtrr
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@param MtrrValidBitsMask The mask for the valid bit of the MTRR
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@param MtrrValidAddressMask The valid address mask for MTRR since the base address in
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MTRR must align to 4K, so valid address mask equal to
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MtrrValidBitsMask & 0xfffffffffffff000ULL
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@param VariableMtrr The array to shadow variable MTRRs content
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@param[in] MtrrValidBitsMask The mask for the valid bit of the MTRR
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@param[in] MtrrValidAddressMask The valid address mask for MTRR since the base address in
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MTRR must align to 4K, so valid address mask equal to
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MtrrValidBitsMask & 0xfffffffffffff000ULL
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@param[out] VariableMtrr The array to shadow variable MTRRs content
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@return The ruturn value of this paramter indicates the number of
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MTRRs which has been used.
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**/
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@ -86,7 +86,7 @@ CONST FIXED_MTRR mMtrrLibFixedMtrrTable[] = {
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MTRR_LIB_IA32_MTRR_FIX4K_F8000,
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0xF8000,
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SIZE_4KB
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},
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}
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};
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//
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@ -188,7 +188,7 @@ PreMtrrChange (
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// Disable interrupts and save current interrupt state
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//
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MtrrContext->InterruptState = SaveAndDisableInterrupts();
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//
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// Enter no fill cache mode, CD=1(Bit30), NW=0 (Bit29)
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//
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@ -206,7 +206,7 @@ PreMtrrChange (
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CpuFlushTlb ();
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//
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// Disable Mtrrs
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// Disable MTRRs
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//
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AsmMsrBitFieldWrite64 (MTRR_LIB_IA32_MTRR_DEF_TYPE, 10, 11, 0);
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}
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@ -226,7 +226,7 @@ PostMtrrChangeEnableCache (
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)
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{
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//
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// Flush all TLBs
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// Flush all TLBs
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//
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CpuFlushTlb ();
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@ -239,7 +239,7 @@ PostMtrrChangeEnableCache (
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// Restore original CR4 value
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//
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AsmWriteCr4 (MtrrContext->Cr4);
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//
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// Restore original interrupt state
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//
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@ -272,9 +272,9 @@ PostMtrrChange (
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/**
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Programs fixed MTRRs registers.
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@param MemoryCacheType The memory type to set.
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@param Base The base address of memory range.
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@param Length The length of memory range.
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@param[in] MemoryCacheType The memory type to set.
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@param[in, out] Base The base address of memory range.
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@param[in, out] Length The length of memory range.
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@retval RETURN_SUCCESS The cache type was updated successfully
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@retval RETURN_UNSUPPORTED The requested range or cache type was invalid
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@ -356,14 +356,14 @@ ProgramFixedMtrr (
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/**
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Get the attribute of variable MTRRs.
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Gets the attribute of variable MTRRs.
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This function shadows the content of variable MTRRs into an
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internal array: VariableMtrr.
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@param MtrrValidBitsMask The mask for the valid bit of the MTRR
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@param MtrrValidAddressMask The valid address mask for MTRR
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@param VariableMtrr The array to shadow variable MTRRs content
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@param[in] MtrrValidBitsMask The mask for the valid bit of the MTRR
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@param[in] MtrrValidAddressMask The valid address mask for MTRR
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@param[out] VariableMtrr The array to shadow variable MTRRs content
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@return The return value of this paramter indicates the
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number of MTRRs which has been used.
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@ -423,9 +423,9 @@ MtrrGetMemoryAttributeInVariableMtrr (
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/**
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Checks overlap between given memory range and MTRRs.
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@param Start The start address of memory range.
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@param End The end address of memory range.
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@param VariableMtrr The array to shadow variable MTRRs content
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@param[in] Start The start address of memory range.
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@param[in] End The end address of memory range.
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@param[in] VariableMtrr The array to shadow variable MTRRs content
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@retval TRUE Overlap exists.
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@retval FALSE No overlap.
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@ -461,9 +461,9 @@ CheckMemoryAttributeOverlap (
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/**
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Marks a variable MTRR as non-valid.
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@param Index The index of the array VariableMtrr to be invalidated
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@param VariableMtrr The array to shadow variable MTRRs content
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@param UsedMtrr The number of MTRRs which has already been used
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@param[in] Index The index of the array VariableMtrr to be invalidated
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@param[in] VariableMtrr The array to shadow variable MTRRs content
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@param[out] UsedMtrr The number of MTRRs which has already been used
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**/
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VOID
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@ -479,16 +479,16 @@ InvalidateShadowMtrr (
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/**
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Combine memory attributes.
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Combines memory attributes.
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If overlap exists between given memory range and MTRRs, try to combine them.
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@param Attributes The memory type to set.
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@param Base The base address of memory range.
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@param Length The length of memory range.
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@param VariableMtrr The array to shadow variable MTRRs content
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@param UsedMtrr The number of MTRRs which has already been used
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@param OverwriteExistingMtrr Returns whether an existing MTRR was used
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@param[in] Attributes The memory type to set.
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@param[in, out] Base The base address of memory range.
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@param[in, out] Length The length of memory range.
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@param[in] VariableMtrr The array to shadow variable MTRRs content
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@param[in, out] UsedMtrr The number of MTRRs which has already been used
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@param[out] OverwriteExistingMtrr Returns whether an existing MTRR was used
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@retval EFI_SUCCESS Memory region successfully combined.
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@retval EFI_ACCESS_DENIED Memory region cannot be combined.
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@ -536,7 +536,7 @@ CombineMemoryAttribute (
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//
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if (Attributes == VariableMtrr[Index].Type) {
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//
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// if the Mtrr range contain the request range, set a flag, then continue to
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// if the MTRR range contain the request range, set a flag, then continue to
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// invalidate any MTRR of the same request range with higher priority cache type.
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//
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if (VariableMtrr[Index].BaseAddress <= *Base && MtrrEnd >= EndAddress) {
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@ -597,9 +597,10 @@ CombineMemoryAttribute (
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/**
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Calculate the maximum value which is a power of 2, but less the MemoryLength.
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Calculates the maximum value which is a power of 2, but less the MemoryLength.
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@param[in] MemoryLength The number to pass in.
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@param MemoryLength The number to pass in.
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@return The maximum value which is align to power of 2 and less the MemoryLength
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**/
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@ -626,21 +627,22 @@ Power2MaxMemory (
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/**
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Determine the MTRR numbers used to program a memory range.
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Determines the MTRR numbers used to program a memory range.
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This function first checks the alignment of the base address. If the alignment of the base address <= Length,
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cover the memory range (BaseAddress, alignment) by a MTRR, then BaseAddress += alignment and Length -= alignment.
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Repeat the step until alignment > Length.
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This function first checks the alignment of the base address.
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If the alignment of the base address <= Length, cover the memory range
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(BaseAddress, alignment) by a MTRR, then BaseAddress += alignment and
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Length -= alignment. Repeat the step until alignment > Length.
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Then this function determines which direction of programming the variable MTRRs for the remaining length
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will use fewer MTRRs.
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Then this function determines which direction of programming the variable
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MTRRs for the remaining length will use fewer MTRRs.
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@param BaseAddress Length of Memory to program MTRR
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@param Length Length of Memory to program MTRR
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@param MtrrNumber Pointer to the number of necessary MTRRs
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@param[in] BaseAddress Length of Memory to program MTRR
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@param[in] Length Length of Memory to program MTRR
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@param[in] MtrrNumber Pointer to the number of necessary MTRRs
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@retval TRUE Positive direction is better.
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FALSE Negtive direction is better.
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FALSE Negative direction is better.
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**/
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BOOLEAN
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@ -709,13 +711,13 @@ GetMtrrNumberAndDirection (
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This function programs MTRRs according to the values specified
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in the shadow array.
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@param VariableMtrr The array to shadow variable MTRRs content
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@param[in, out] VariableMtrr Shadow of variable MTRR contents
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**/
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VOID
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InvalidateMtrr (
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IN VARIABLE_MTRR *VariableMtrr
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)
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IN OUT VARIABLE_MTRR *VariableMtrr
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)
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{
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UINTN Index;
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UINTN VariableMtrrCount;
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@ -741,11 +743,11 @@ InvalidateMtrr (
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This function programs variable MTRRs
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@param MtrrNumber Index of MTRR to program.
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@param BaseAddress Base address of memory region.
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@param Length Length of memory region.
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@param MemoryCacheType Memory type to set.
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@param MtrrValidAddressMask The valid address mask for MTRR
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@param[in] MtrrNumber Index of MTRR to program.
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@param[in] BaseAddress Base address of memory region.
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@param[in] Length Length of memory region.
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@param[in] MemoryCacheType Memory type to set.
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@param[in] MtrrValidAddressMask The valid address mask for MTRR
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**/
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VOID
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@ -782,9 +784,9 @@ ProgramVariableMtrr (
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/**
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Convert the Memory attibute value to MTRR_MEMORY_CACHE_TYPE.
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Converts the Memory attribute value to MTRR_MEMORY_CACHE_TYPE.
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@param MtrrType MTRR memory type
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@param[in] MtrrType MTRR memory type
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@return The enum item in MTRR_MEMORY_CACHE_TYPE
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@ -808,7 +810,7 @@ GetMemoryCacheTypeFromMtrrType (
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default:
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//
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// MtrrType is MTRR_CACHE_INVALID_TYPE, that means
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// no mtrr covers the range
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// no MTRR covers the range
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//
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return MtrrGetDefaultMemoryType ();
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}
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@ -819,8 +821,8 @@ GetMemoryCacheTypeFromMtrrType (
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This function initializes the valid bits mask and valid address mask for MTRRs.
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@param MtrrValidBitsMask The mask for the valid bit of the MTRR
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@param MtrrValidAddressMask The valid address mask for the MTRR
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@param[out] MtrrValidBitsMask The mask for the valid bit of the MTRR
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@param[out] MtrrValidAddressMask The valid address mask for the MTRR
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**/
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VOID
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@ -849,21 +851,21 @@ MtrrLibInitializeMtrrMask (
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/**
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Determing the real attribute of a memory range.
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Determines the real attribute of a memory range.
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This function is to arbitrate the real attribute of the memory when
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there are 2 MTRR covers the same memory range. For further details,
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there are 2 MTRRs covers the same memory range. For further details,
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please refer the IA32 Software Developer's Manual, Volume 3,
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Section 10.11.4.1.
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@param MtrrType1 the first kind of Memory type
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@param MtrrType2 the second kind of memory type
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@param[in] MtrrType1 The first kind of Memory type
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@param[in] MtrrType2 The second kind of memory type
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**/
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UINT64
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MtrrPrecedence (
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UINT64 MtrrType1,
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UINT64 MtrrType2
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IN UINT64 MtrrType1,
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IN UINT64 MtrrType2
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)
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{
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UINT64 MtrrType;
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@ -923,11 +925,11 @@ MtrrPrecedence (
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/**
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This function attempts to set the attributes for a memory range.
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@param BaseAddress The physical address that is the start
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address of a memory region.
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@param Length The size in bytes of the memory region.
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@param Attributes The bit mask of attributes to set for the
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memory region.
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@param[in] BaseAddress The physical address that is the start
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address of a memory region.
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@param[in] Length The size in bytes of the memory region.
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@param[in] Attribute The bit mask of attributes to set for the
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memory region.
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@retval RETURN_SUCCESS The attributes were set for the memory
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region.
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@ -1198,9 +1200,9 @@ Done:
|
|||
|
||||
This function is mainly for debug purpose.
|
||||
|
||||
@param Address The specific address
|
||||
@param[in] Address The specific address
|
||||
|
||||
@return Memory cache type of the sepcific address
|
||||
@return Memory cache type of the specific address
|
||||
|
||||
**/
|
||||
MTRR_MEMORY_CACHE_TYPE
|
||||
|
|
@ -1290,7 +1292,7 @@ MtrrGetMemoryAttribute (
|
|||
/**
|
||||
This function will get the raw value in variable MTRRs
|
||||
|
||||
@param VariableSettings A buffer to hold variable MTRRs content.
|
||||
@param[out] FixedSettings A buffer to hold fixed MTRRs content.
|
||||
|
||||
@return The VariableSettings input pointer
|
||||
|
||||
|
|
@ -1325,7 +1327,7 @@ MtrrGetVariableMtrr (
|
|||
/**
|
||||
Worker function setting variable MTRRs
|
||||
|
||||
@param VariableSettings A buffer to hold variable MTRRs content.
|
||||
@param[in] VariableSettings A buffer to hold variable MTRRs content.
|
||||
|
||||
**/
|
||||
VOID
|
||||
|
|
@ -1355,7 +1357,7 @@ MtrrSetVariableMtrrWorker (
|
|||
/**
|
||||
This function sets variable MTRRs
|
||||
|
||||
@param VariableSettings A buffer to hold variable MTRRs content.
|
||||
@param[in] VariableSettings A buffer to hold variable MTRRs content.
|
||||
|
||||
@return The pointer of VariableSettings
|
||||
|
||||
|
|
@ -1382,7 +1384,7 @@ MtrrSetVariableMtrr (
|
|||
/**
|
||||
This function gets the content in fixed MTRRs
|
||||
|
||||
@param FixedSettings A buffer to hold fixed Mtrrs content.
|
||||
@param[out] FixedSettings A buffer to hold fixed Mtrrs content.
|
||||
|
||||
@retval The pointer of FixedSettings
|
||||
|
||||
|
|
@ -1410,7 +1412,7 @@ MtrrGetFixedMtrr (
|
|||
/**
|
||||
Worker function setting fixed MTRRs
|
||||
|
||||
@param FixedSettings A buffer to hold fixed Mtrrs content.
|
||||
@param[in] FixedSettings A buffer to hold fixed Mtrrs content.
|
||||
|
||||
**/
|
||||
VOID
|
||||
|
|
@ -1432,7 +1434,7 @@ MtrrSetFixedMtrrWorker (
|
|||
/**
|
||||
This function sets fixed MTRRs
|
||||
|
||||
@param FixedSettings A buffer to hold fixed Mtrrs content.
|
||||
@param[in] FixedSettings A buffer to hold fixed Mtrrs content.
|
||||
|
||||
@retval The pointer of FixedSettings
|
||||
|
||||
|
|
@ -1460,7 +1462,7 @@ MtrrSetFixedMtrr (
|
|||
/**
|
||||
This function gets the content in all MTRRs (variable and fixed)
|
||||
|
||||
@param MtrrSetting A buffer to hold all Mtrrs content.
|
||||
@param[out] MtrrSetting A buffer to hold all Mtrrs content.
|
||||
|
||||
@retval the pointer of MtrrSetting
|
||||
|
||||
|
|
@ -1497,7 +1499,7 @@ MtrrGetAllMtrrs (
|
|||
/**
|
||||
This function sets all MTRRs (variable and fixed)
|
||||
|
||||
@param MtrrSetting A buffer holding all MTRRs content.
|
||||
@param[in] MtrrSetting A buffer holding all MTRRs content.
|
||||
|
||||
@retval The pointer of MtrrSetting
|
||||
|
||||
|
|
@ -1569,7 +1571,7 @@ MtrrDebugPrintAllMtrrs (
|
|||
|
||||
DEBUG((DEBUG_CACHE, "MTRR Settings\n"));
|
||||
DEBUG((DEBUG_CACHE, "=============\n"));
|
||||
|
||||
|
||||
MtrrGetAllMtrrs (&MtrrSettings);
|
||||
DEBUG((DEBUG_CACHE, "MTRR Default Type: %016lx\n", MtrrSettings.MtrrDefType));
|
||||
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
|
||||
|
|
@ -1596,7 +1598,7 @@ MtrrDebugPrintAllMtrrs (
|
|||
MemoryType = (UINTN)(RShiftU64 (MtrrSettings.Fixed.Mtrr[Index], Index1 * 8) & 0xff);
|
||||
if (MemoryType > CacheWriteBack) {
|
||||
MemoryType = MTRR_CACHE_INVALID_TYPE;
|
||||
}
|
||||
}
|
||||
if (MemoryType != PreviousMemoryType) {
|
||||
if (PreviousMemoryType != MTRR_CACHE_INVALID_TYPE) {
|
||||
DEBUG((DEBUG_CACHE, "%016lx\n", Base - 1));
|
||||
|
|
@ -1632,12 +1634,12 @@ MtrrDebugPrintAllMtrrs (
|
|||
PreviousMemoryType = MemoryType;
|
||||
DEBUG((DEBUG_CACHE, "%a:%016lx-", mMtrrMemoryCacheTypeShortName[MemoryType], Base));
|
||||
}
|
||||
|
||||
RangeBase = BASE_1MB;
|
||||
|
||||
RangeBase = BASE_1MB;
|
||||
NoRangeBase = BASE_1MB;
|
||||
RangeLimit = Limit;
|
||||
NoRangeLimit = Limit;
|
||||
|
||||
|
||||
for (Index = 0, Found = FALSE; Index < VariableMtrrCount; Index++) {
|
||||
if ((MtrrSettings.Variables.Mtrr[Index].Mask & BIT11) == 0) {
|
||||
//
|
||||
|
|
@ -1651,7 +1653,7 @@ MtrrDebugPrintAllMtrrs (
|
|||
if (Base >= MtrrBase && Base < MtrrLimit) {
|
||||
Found = TRUE;
|
||||
}
|
||||
|
||||
|
||||
if (Base >= MtrrBase && MtrrBase > RangeBase) {
|
||||
RangeBase = MtrrBase;
|
||||
}
|
||||
|
|
@ -1664,7 +1666,7 @@ MtrrDebugPrintAllMtrrs (
|
|||
if (Base < MtrrLimit && MtrrLimit <= RangeLimit) {
|
||||
RangeLimit = MtrrLimit;
|
||||
}
|
||||
|
||||
|
||||
if (Base > MtrrLimit && NoRangeBase < MtrrLimit) {
|
||||
NoRangeBase = MtrrLimit + 1;
|
||||
}
|
||||
|
|
@ -1672,7 +1674,7 @@ MtrrDebugPrintAllMtrrs (
|
|||
NoRangeLimit = MtrrBase - 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (Found) {
|
||||
Base = RangeLimit + 1;
|
||||
} else {
|
||||
|
|
|
|||
Loading…
Reference in New Issue