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ShellPkg: acpiview: Add routines to print reserved fields

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Most of the ACPI tables have fields that are marked reserved. Implement
functions "DumpReserved" and "DumpReservedBits" aligning with the
print-formatter prototype to print out reserved fields.

Signed-off-by: Rohit Mathew <Rohit.Mathew@arm.com>
Cc: James Morse <james.Morse@arm.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Thomas Abraham <thomas.abraham@arm.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Rohit Mathew 2023-09-28 16:48:28 +01:00 committed by mergify[bot]
parent 8a036c8913
commit 3c8133ba87
2 changed files with 164 additions and 0 deletions
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126
ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
View File

@ -498,6 +498,132 @@ Dump16Chars (
);
}
/**
This function traces reserved fields up to 8 bytes in length.
Format string is ignored by this function as the reserved field is printed
byte by byte with intermittent spacing <eg: 0 0 0 0>. Use DumpxChars for any
other use case.
@param [in] Format Optional format string for tracing the data.
@param [in] Ptr Pointer to the start of the buffer.
@param [in] Length Length of the field.
**/
VOID
EFIAPI
DumpReserved (
IN CONST CHAR16 *Format OPTIONAL,
IN UINT8 *Ptr,
IN UINT32 Length
)
{
switch (Length) {
case 8:
Print (
L"%u %u %u %u %u %u %u %u",
Ptr[0],
Ptr[1],
Ptr[2],
Ptr[3],
Ptr[4],
Ptr[5],
Ptr[6],
Ptr[7]
);
break;
case 7:
Print (
L"%u %u %u %u %u %u %u",
Ptr[0],
Ptr[1],
Ptr[2],
Ptr[3],
Ptr[4],
Ptr[5],
Ptr[6]
);
break;
case 6:
Print (
L"%u %u %u %u %u %u",
Ptr[0],
Ptr[1],
Ptr[2],
Ptr[3],
Ptr[4],
Ptr[5]
);
break;
case 5:
Print (
L"%u %u %u %u %u",
Ptr[0],
Ptr[1],
Ptr[2],
Ptr[3],
Ptr[4]
);
break;
case 4:
Print (
L"%u %u %u %u",
Ptr[0],
Ptr[1],
Ptr[2],
Ptr[3]
);
break;
case 3:
Print (
L"%u %u %u",
Ptr[0],
Ptr[1],
Ptr[2]
);
break;
case 2:
Print (
L"%u %u",
Ptr[0],
Ptr[1]
);
break;
case 1:
Print (
L"%u",
Ptr[0]
);
break;
default:
return;
}
}
/**
This function traces reserved fields up to 64 bits in length.
Format string is ignored by this function as the reserved field is printed
byte by byte with intermittent spacing. eg: <0 0 0 0>. When the field length
isn't a multiple of 8, the number of bytes are "ceil"-ed by one. eg for 27
bits <0 0 0 0>
@param [in] Format Optional format string for tracing the data.
@param [in] Ptr Pointer to the start of the buffer.
@param [in] Length Length of the field as number of bits.
**/
VOID
EFIAPI
DumpReservedBits (
IN CONST CHAR16 *Format OPTIONAL,
IN UINT8 *Ptr,
IN UINT32 Length
)
{
UINT32 ByteLength;
ByteLength = (Length + 7) >> 3;
DumpReserved (Format, Ptr, ByteLength);
}
/**
This function indents and prints the ACPI table Field Name.

38
ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
View File

@ -230,6 +230,44 @@ Dump16Chars (
IN UINT32 Length
);
/**
This function traces reserved fields up to 8 bytes in length.
Format string is ignored by this function as the reserved field is printed
byte by byte with intermittent spacing <eg: 0 0 0 0>. Use DumpxChars for any
other use case.
@param [in] Format Optional format string for tracing the data.
@param [in] Ptr Pointer to the start of the buffer.
@param [in] Length Length of the field.
**/
VOID
EFIAPI
DumpReserved (
IN CONST CHAR16 *Format OPTIONAL,
IN UINT8 *Ptr,
IN UINT32 Length
);
/**
This function traces reserved fields up to 64 bits in length.
Format string is ignored by this function as the reserved field is printed
byte by byte with intermittent spacing. eg: <0 0 0 0>. When the field length
isn't a multiple of 8, the number of bytes are "ceil"-ed by one. eg for 27
bits <0 0 0 0>
@param [in] Format Optional format string for tracing the data.
@param [in] Ptr Pointer to the start of the buffer.
@param [in] Length Length of the field as number of bits.
**/
VOID
EFIAPI
DumpReservedBits (
IN CONST CHAR16 *Format OPTIONAL,
IN UINT8 *Ptr,
IN UINT32 Length
);
/**
This function indents and prints the ACPI table Field Name.