* [edk2-devel] [PATCH v5 5/6] ShellPkg: acpiview: Add routines to print reserved fields
@ 2023-10-02 17:17 Rohit Mathew
2023-12-05 11:48 ` Sami Mujawar
0 siblings, 1 reply; 2+ messages in thread
From: Rohit Mathew @ 2023-10-02 17:17 UTC (permalink / raw)
To: devel; +Cc: Rohit Mathew, James Morse, Sami Mujawar, Thomas Abraham,
Zhichao Gao
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>
---
ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c | 126 ++++++++++++++++++++
ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h | 38 ++++++
2 files changed, 164 insertions(+)
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
index 20d817e357..cc520d9b27 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
@@ -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.
+**/
+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.
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
index 80bac6a584..89930fdc6d 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
@@ -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.
+**/
+VOID
+EFIAPI
+DumpReservedBits (
+ IN CONST CHAR16 *Format OPTIONAL,
+ IN UINT8 *Ptr,
+ IN UINT32 Length
+ );
+
/**
This function indents and prints the ACPI table Field Name.
--
2.34.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [edk2-devel] [PATCH v5 5/6] ShellPkg: acpiview: Add routines to print reserved fields
2023-10-02 17:17 [edk2-devel] [PATCH v5 5/6] ShellPkg: acpiview: Add routines to print reserved fields Rohit Mathew
@ 2023-12-05 11:48 ` Sami Mujawar
0 siblings, 0 replies; 2+ messages in thread
From: Sami Mujawar @ 2023-12-05 11:48 UTC (permalink / raw)
To: Rohit Mathew, devel; +Cc: James Morse, Thomas Abraham, Zhichao Gao, nd@arm.com
Hi Rohit,
I have a minor suggestion marked inline as [SAMI].
Otherwise this patch looks good to me.
With that addressed,
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Regards,
Sami Mujawar
On 02/10/2023 06:17 pm, Rohit Mathew wrote:
> 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>
> ---
> ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c | 126 ++++++++++++++++++++
> ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h | 38 ++++++
> 2 files changed, 164 insertions(+)
>
> diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
> index 20d817e357..cc520d9b27 100644
> --- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
> +++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
> @@ -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.
[SAMI] I think the documentation for the Length filed should say
something like '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.
>
> diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
> index 80bac6a584..89930fdc6d 100644
> --- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
> +++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
> @@ -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.
[SAMI] Please see suggestion above.
> +**/
> +VOID
> +EFIAPI
> +DumpReservedBits (
> + IN CONST CHAR16 *Format OPTIONAL,
> + IN UINT8 *Ptr,
> + IN UINT32 Length
> + );
> +
> /**
> This function indents and prints the ACPI table Field Name.
>
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2023-10-02 17:17 [edk2-devel] [PATCH v5 5/6] ShellPkg: acpiview: Add routines to print reserved fields Rohit Mathew
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