Adds PrintFormatter function to the FADT flags field.
Prints indivisual flag name along with flag value.

Cc: Ray Ni <ray...@intel.com>
Cc: Zhichao Gao <zhichao....@intel.com>
Cc: Sami Mujawar <sami.muja...@arm.com>
Signed-off-by: Abdul Lateef Attar <abdat...@amd.com>
---
 ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c | 208 
+++++++++++++++++++-
 1 file changed, 207 insertions(+), 1 deletion(-)

diff --git 
a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c 
b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c
index d86718bab67d..7f01412f1a9b 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c
@@ -2,6 +2,7 @@
   FADT table parser

 

   Copyright (c) 2016 - 2020, ARM Limited. All rights reserved.

+  Copyright (c) 2021, AMD Incorporated. All rights reserved.<BR>

   SPDX-License-Identifier: BSD-2-Clause-Patent

 

   @par Reference(s):

@@ -127,6 +128,211 @@ ValidateFlags (
 #endif

 }

 

+/**

+  This function traces FADT Flags field.

+

+  @param [in] Format  Optional format string for tracing the data.

+  @param [in] Ptr     Pointer to the start of the buffer.

+**/

+VOID

+EFIAPI

+DumpFadtFlags (

+  IN CONST CHAR16* Format OPTIONAL,

+  IN UINT8*        Ptr

+  )

+{

+  if (Format != NULL) {

+    Print (Format, *(UINT32*)Ptr);

+    return;

+  }

+

+  Print (L"0x%X\n", *(UINT32*)Ptr);

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+     L"WBINVD",

+    *(UINT32*)Ptr & BIT0 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"WBINVD_FLUSH",

+    *(UINT32*)Ptr & BIT1 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"PROC_C1",

+    *(UINT32*)Ptr & BIT2 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"P_LVL2_UP",

+    *(UINT32*)Ptr & BIT3 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"PWR_BUTTON",

+    *(UINT32*)Ptr & BIT4 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"SLP_BUTTON",

+    *(UINT32*)Ptr & BIT5 ? 1 : 0

+   );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"FIX_RTC",

+    *(UINT32*)Ptr & BIT6 ? 1 : 0

+   );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"RTC_S4",

+    *(UINT32*)Ptr & BIT7 ? 1 : 0

+   );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"TMR_VAL_EXT",

+    *(UINT32*)Ptr & BIT8 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"DCK_CAP",

+    *(UINT32*)Ptr & BIT9 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"RESET_REG_SUP",

+    *(UINT32*)Ptr & BIT10 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"SEALED_CASE",

+    *(UINT32*)Ptr & BIT11 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"HEADLESS",

+    *(UINT32*)Ptr & BIT12 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"CPU_SW_SLP",

+    *(UINT32*)Ptr & BIT13 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"PCI_EXP_WAK",

+    *(UINT32*)Ptr & BIT14 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"USE_PLATFORM_CLOCK",

+    *(UINT32*)Ptr & BIT15 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"S4_RTC_STS_VALID",

+    *(UINT32*)Ptr & BIT16 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"REMOTE_POWER_ON_CAPABLE",

+    *(UINT32*)Ptr & BIT17 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"FORCE_APIC_CLUSTER_MODEL",

+    *(UINT32*)Ptr & BIT18 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"FORCE_APIC_PHYSICAL_DESTINATION_MODE",

+    *(UINT32*)Ptr & BIT19 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"HW_REDUCED_ACPI",

+    *(UINT32*)Ptr & BIT20 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"LOW_POWER_S0_IDLE_CAPABLE",

+    *(UINT32*)Ptr & BIT21 ? 1 : 0

+    );

+  Print (

+    L"%*a%-*s : %d\n",

+    4,

+    "",

+    (OUTPUT_FIELD_COLUMN_WIDTH - 4),

+    L"Reserved",

+    *(UINT32*)Ptr & BIT22 ? 1 : 0

+    );

+}

+

 /**

   An ACPI_PARSER array describing the ACPI FADT Table.

 **/

@@ -170,7 +376,7 @@ STATIC CONST ACPI_PARSER FadtParser[] = {
   {L"CENTURY", 1, 108, L"0x%x", NULL, NULL, NULL, NULL},

   {L"IAPC_BOOT_ARCH", 2, 109, L"0x%x", NULL, NULL, NULL, NULL},

   {L"Reserved", 1, 111, L"0x%x", NULL, NULL, NULL, NULL},

-  {L"Flags", 4, 112, L"0x%x", NULL, (VOID**)&Flags, ValidateFlags, NULL},

+  {L"Flags", 4, 112, NULL, DumpFadtFlags, (VOID**)&Flags, ValidateFlags, NULL},

   {L"RESET_REG", 12, 116, NULL, DumpGas, NULL, NULL, NULL},

   {L"RESET_VALUE", 1, 128, L"0x%x", NULL, NULL, NULL, NULL},

   {L"ARM_BOOT_ARCH", 2, 129, L"0x%x", NULL, NULL, NULL, NULL},

-- 
2.25.1



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