Merge pull request #758 from bwicaksononv/apmt

Add support for ARM Performance Monitoring Unit Table.

9 files changed, 309 insertions, 0 deletions

diff --git a/source/common/dmtable.c b/source/common/dmtable.c
index 548cd649a..1497a2e96 100644
--- a/source/common/dmtable.c
+++ b/source/common/dmtable.c
@@ -651,6 +651,7 @@ const ACPI_DMTABLE_DATA     AcpiDmTableData[] =
 {
     {ACPI_SIG_AEST, NULL,                   AcpiDmDumpAest, DtCompileAest,  TemplateAest},
     {ACPI_SIG_AGDI, AcpiDmTableInfoAgdi,    NULL,           NULL,           TemplateAgdi},
+    {ACPI_SIG_APMT, NULL,                   AcpiDmDumpApmt, DtCompileApmt,  TemplateApmt},
     {ACPI_SIG_ASF,  NULL,                   AcpiDmDumpAsf,  DtCompileAsf,   TemplateAsf},
     {ACPI_SIG_BDAT, AcpiDmTableInfoBdat,    NULL,           NULL,           TemplateBdat},
     {ACPI_SIG_BERT, AcpiDmTableInfoBert,    NULL,           NULL,           TemplateBert},
diff --git a/source/common/dmtbdump1.c b/source/common/dmtbdump1.c
index c5b5a2f07..4b659750b 100644
--- a/source/common/dmtbdump1.c
+++ b/source/common/dmtbdump1.c
@@ -376,6 +376,68 @@ AcpiDmDumpAest (
     }
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDmDumpApmt
+ *
+ * PARAMETERS:  Table               - A APMT table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Format the contents of a APMT. This table type consists
+ *              of an open-ended number of subtables.
+ *
+ *
+ * APMT - ARM Performance Monitoring Unit table. Conforms to:
+ * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
+ * ARM DEN0117 v1.0 November 25, 2021
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDumpApmt (
+    ACPI_TABLE_HEADER       *Table)
+{
+    ACPI_STATUS              Status;
+    ACPI_APMT_NODE           *Subtable;
+    UINT32                   Length = Table->Length;
+    UINT32                   Offset = sizeof (ACPI_TABLE_APMT);
+    UINT32                   NodeNum = 0;
+
+    /* There is no main table (other than the standard ACPI header) */
+
+    /* Subtables */
+
+    Subtable = ACPI_ADD_PTR (ACPI_APMT_NODE, Table, Offset);
+    while (Offset < Table->Length)
+    {
+        AcpiOsPrintf ("\n");
+
+        if (Subtable->Type >= ACPI_APMT_NODE_TYPE_COUNT)
+        {
+            AcpiOsPrintf ("\n**** Unknown APMT subtable type 0x%X\n",
+                Subtable->Type);
+            return;
+        }
+
+        AcpiOsPrintf ("/* APMT Node-%u */\n", NodeNum++);
+
+        Status = AcpiDmDumpTable (Length, Offset, Subtable,
+            Subtable->Length, AcpiDmTableInfoApmtNode);
+        if (ACPI_FAILURE (Status))
+        {
+            return;
+        }
+
+        /* Point to next subtable */
+
+        Offset += Subtable->Length;
+        Subtable = ACPI_ADD_PTR (ACPI_APMT_NODE, Subtable,
+            Subtable->Length);
+        AcpiOsPrintf ("\n");
+    }
+}
+
 
 /*******************************************************************************
  *
diff --git a/source/common/dmtbinfo2.c b/source/common/dmtbinfo2.c
index d52359c58..cdd15c984 100644
--- a/source/common/dmtbinfo2.c
+++ b/source/common/dmtbinfo2.c
@@ -210,6 +210,40 @@ ACPI_DMTABLE_INFO           AcpiDmTableInfoAgdi[] =
 
 /*******************************************************************************
  *
+ * APMT - ARM Performance Monitoring Unit Table
+ *
+ * Conforms to:
+ * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
+ * ARM DEN0117 v1.0 November 25, 2021
+ *
+ ******************************************************************************/
+
+ACPI_DMTABLE_INFO           AcpiDmTableInfoApmtNode[] =
+{
+    {ACPI_DMT_UINT16,  ACPI_APMTN_OFFSET (Length),                  "Length of APMT Node", 0},
+    {ACPI_DMT_UINT8,   ACPI_APMTN_OFFSET (Flags),                   "Node Flags", 0},
+    {ACPI_DMT_FLAG0,   ACPI_APMTN_FLAG_OFFSET (Flags, 0),           "Dual Page Extension", 0},
+    {ACPI_DMT_FLAG1,   ACPI_APMTN_FLAG_OFFSET (Flags, 0),           "Processor Affinity Type", 0},
+    {ACPI_DMT_FLAG2,   ACPI_APMTN_FLAG_OFFSET (Flags, 0),           "64-bit Atomic Support", 0},
+    {ACPI_DMT_UINT8,   ACPI_APMTN_OFFSET (Type),                    "Node Type", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (Id),                      "Unique Node Identifier", 0},
+    {ACPI_DMT_UINT64,  ACPI_APMTN_OFFSET (InstPrimary),             "Primary Node Instance", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (InstSecondary),           "Secondary Node Instance", 0},
+    {ACPI_DMT_UINT64,  ACPI_APMTN_OFFSET (BaseAddress0),            "Page 0 Base Address", 0},
+    {ACPI_DMT_UINT64,  ACPI_APMTN_OFFSET (BaseAddress1),            "Page 1 Base Address", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (OvflwIrq),                "Overflow Interrupt ID", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (Reserved),                "Reserved", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (OvflwIrqFlags),           "Overflow Interrupt Flags", 0},
+    {ACPI_DMT_FLAG0,   ACPI_APMTN_FLAG_OFFSET (OvflwIrqFlags, 0),   "Interrupt Mode", 0},
+    {ACPI_DMT_FLAG1,   ACPI_APMTN_FLAG_OFFSET (OvflwIrqFlags, 0),   "Interrupt Type", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (ProcAffinity),            "Processor Affinity", 0},
+    {ACPI_DMT_UINT32,  ACPI_APMTN_OFFSET (ImplId),                  "Implementation ID", 0},
+    ACPI_DMT_TERMINATOR
+};
+
+
+/*******************************************************************************
+ *
  * IORT - IO Remapping Table
  *
  ******************************************************************************/
diff --git a/source/compiler/dtcompiler.h b/source/compiler/dtcompiler.h
index 7dad85e80..3b3683cc6 100644
--- a/source/compiler/dtcompiler.h
+++ b/source/compiler/dtcompiler.h
@@ -570,6 +570,10 @@ DtCompileAest (
     void                    **PFieldList);
 
 ACPI_STATUS
+DtCompileApmt (
+    void                    **PFieldList);
+
+ACPI_STATUS
 DtCompileAsf (
     void                    **PFieldList);
 
@@ -763,6 +767,7 @@ DtGetGenericTableInfo (
 
 extern const unsigned char  TemplateAest[];
 extern const unsigned char  TemplateAgdi[];
+extern const unsigned char  TemplateApmt[];
 extern const unsigned char  TemplateAsf[];
 extern const unsigned char  TemplateBoot[];
 extern const unsigned char  TemplateBdat[];
diff --git a/source/compiler/dttable1.c b/source/compiler/dttable1.c
index 66348535e..1df24d49f 100644
--- a/source/compiler/dttable1.c
+++ b/source/compiler/dttable1.c
@@ -389,6 +389,102 @@ DtCompileAest (
 
 /******************************************************************************
  *
+ * FUNCTION:    DtCompileApmt
+ *
+ * PARAMETERS:  List                - Current field list pointer
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Compile APMT.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+DtCompileApmt (
+    void                    **List)
+{
+    ACPI_STATUS             Status;
+    ACPI_TABLE_HEADER       *Header;
+    ACPI_APMT_NODE          *ApmtNode;
+    ACPI_APMT_NODE          *PeerApmtNode;
+    DT_SUBTABLE             *Subtable;
+    DT_SUBTABLE             *PeerSubtable;
+    DT_SUBTABLE             *ParentTable;
+    DT_FIELD                **PFieldList = (DT_FIELD**)List;
+    DT_FIELD                *SubtableStart;
+    UINT32                  CurLength;
+    char                    MsgBuffer[64] = "";
+
+    ParentTable = DtPeekSubtable();
+
+    Header = ACPI_CAST_PTR(ACPI_TABLE_HEADER, ParentTable->Buffer);
+
+    CurLength = sizeof(ACPI_TABLE_HEADER);
+
+    /* Walk the parse tree */
+
+    while (*PFieldList)
+    {
+        /* APMT Node Subtable */
+
+        SubtableStart = *PFieldList;
+
+        Status = DtCompileTable(PFieldList, AcpiDmTableInfoApmtNode, &Subtable);
+
+        if (ACPI_FAILURE(Status))
+        {
+            return (Status);
+        }
+
+        ApmtNode = ACPI_CAST_PTR(ACPI_APMT_NODE, Subtable->Buffer);
+
+        if (ApmtNode->Length != sizeof(ACPI_APMT_NODE))
+        {
+            DtFatal(ASL_MSG_INVALID_LENGTH, SubtableStart, "APMT");
+            return (AE_ERROR);
+        }
+
+        if (ApmtNode->Type >= ACPI_APMT_NODE_TYPE_COUNT)
+        {
+            snprintf(MsgBuffer, 64, "Node Type : 0x%X", ApmtNode->Type);
+            DtFatal(ASL_MSG_INVALID_TYPE, SubtableStart, MsgBuffer);
+            return (AE_ERROR);
+        }
+
+        PeerSubtable = DtGetNextSubtable(ParentTable, NULL);
+
+        /* Validate the node id needs to be unique. */
+        while(PeerSubtable)
+        {
+            PeerApmtNode = ACPI_CAST_PTR(ACPI_APMT_NODE, PeerSubtable->Buffer);
+            if (PeerApmtNode->Id == ApmtNode->Id)
+            {
+                snprintf(MsgBuffer, 64, "Node Id : 0x%X existed", ApmtNode->Id);
+                DtFatal(ASL_MSG_DUPLICATE_ITEM, SubtableStart, MsgBuffer);
+                return (AE_ERROR);
+            }
+
+            PeerSubtable = DtGetNextSubtable(ParentTable, PeerSubtable);
+        }
+
+        CurLength += ApmtNode->Length;
+
+        DtInsertSubtable(ParentTable, Subtable);
+    }
+
+    if (Header->Length != CurLength)
+    {
+        snprintf(MsgBuffer, 64, " - APMT Length : %u (expected: %u)",
+            Header->Length, CurLength);
+        DtFatal(ASL_MSG_INVALID_LENGTH, NULL, MsgBuffer);
+        return (AE_ERROR);
+    }
+
+    return (AE_OK);
+}
+
+/******************************************************************************
+ *
  * FUNCTION:    DtCompileAsf
  *
  * PARAMETERS:  List                - Current field list pointer
diff --git a/source/compiler/dttemplate.h b/source/compiler/dttemplate.h
index 08c76f6cb..9c46e33b2 100644
--- a/source/compiler/dttemplate.h
+++ b/source/compiler/dttemplate.h
@@ -259,6 +259,29 @@ const unsigned char TemplateAgdi[] =
     0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00   /* 00000028    "...@...." */
 };
 
+const unsigned char TemplateApmt[] =
+{
+    0x41,0x50,0x4D,0x54,0x94,0x00,0x00,0x00,  /* 00000000    "APMT...." */
+    0x00,0x79,0x4E,0x56,0x49,0x44,0x49,0x41,  /* 00000008    ".yNVIDIA" */
+    0x54,0x45,0x4D,0x50,0x4C,0x41,0x54,0x45,  /* 00000010    "TEMPLATE" */
+    0x00,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C,  /* 00000018    "....INTL" */
+    0x17,0x12,0x21,0x20,0x38,0x00,0x04,0x03,  /* 00000020    "..! 8..." */
+    0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,  /* 00000028    "........" */
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000030    "........" */
+    0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000038    ". ......" */
+    0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000040    ". ......" */
+    0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000048    "........" */
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000050    "........" */
+    0x6B,0x03,0x00,0x00,0x38,0x00,0x06,0x03,  /* 00000058    "k...8..." */
+    0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,  /* 00000060    "........" */
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000068    "........" */
+    0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000070    ".0......" */
+    0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000078    ".0......" */
+    0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  /* 00000080    "........" */
+    0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,  /* 00000088    "........" */
+    0x6B,0x03,0x00,0x00                       /* 00000090    "k..."     */
+};
+
 const unsigned char TemplateAsf[] =
 {
     0x41,0x53,0x46,0x21,0x72,0x00,0x00,0x00,  /* 00000000    "ASF!r..." */
diff --git a/source/include/acdisasm.h b/source/include/acdisasm.h
index ab234815e..e81affadb 100644
--- a/source/include/acdisasm.h
+++ b/source/include/acdisasm.h
@@ -388,6 +388,7 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAestGicError[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAestXface[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAestXrupt[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAgdi[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoApmtNode[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAsf0[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAsf1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoAsf1a[];
@@ -737,6 +738,10 @@ AcpiDmDumpAest (
     ACPI_TABLE_HEADER       *Table);
 
 void
+AcpiDmDumpApmt (
+    ACPI_TABLE_HEADER       *Table);
+
+void
 AcpiDmDumpAsf (
     ACPI_TABLE_HEADER       *Table);
 
diff --git a/source/include/actbinfo.h b/source/include/actbinfo.h
index 84ab34c3b..de0bea849 100644
--- a/source/include/actbinfo.h
+++ b/source/include/actbinfo.h
@@ -225,6 +225,7 @@
 #define ACPI_AEST4_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_AEST_GIC,f)
 #define ACPI_AEST0D_OFFSET(f)           (UINT16) ACPI_OFFSET (ACPI_AEST_NODE_INTERFACE,f)
 #define ACPI_AEST0E_OFFSET(f)           (UINT16) ACPI_OFFSET (ACPI_AEST_NODE_INTERRUPT,f)
+#define ACPI_APMTN_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_APMT_NODE,f)
 #define ACPI_ASF0_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_ASF_INFO,f)
 #define ACPI_ASF1_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_ASF_ALERT,f)
 #define ACPI_ASF1a_OFFSET(f)            (UINT16) ACPI_OFFSET (ACPI_ASF_ALERT_DATA,f)
@@ -416,6 +417,7 @@
 #define ACPI_AEST0D_FLAG_OFFSET(f,o)    ACPI_FLAG_OFFSET (ACPI_AEST_NODE_INTERFACE,f,o)
 #define ACPI_AEST0E_FLAG_OFFSET(f,o)    ACPI_FLAG_OFFSET (ACPI_AEST_NODE_INTERRUPT,f,o)
 #define ACPI_AGDI_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (ACPI_TABLE_AGDI,f,o)
+#define ACPI_APMTN_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (ACPI_APMT_NODE,f,o)
 #define ACPI_BGRT_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (ACPI_TABLE_BGRT,f,o)
 #define ACPI_DRTM_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (ACPI_TABLE_DRTM,f,o)
 #define ACPI_DRTM1a_FLAG_OFFSET(f,o)    ACPI_FLAG_OFFSET (ACPI_DRTM_RESOURCE,f,o)
diff --git a/source/include/actbl2.h b/source/include/actbl2.h
index bca58bec8..452822af0 100644
--- a/source/include/actbl2.h
+++ b/source/include/actbl2.h
@@ -169,6 +169,7 @@
  * the wrong signature.
  */
 #define ACPI_SIG_AGDI           "AGDI"      /* Arm Generic Diagnostic Dump and Reset Device Interface */
+#define ACPI_SIG_APMT           "APMT"      /* Arm Performance Monitoring Unit table */
 #define ACPI_SIG_BDAT           "BDAT"      /* BIOS Data ACPI Table */
 #define ACPI_SIG_IORT           "IORT"      /* IO Remapping Table */
 #define ACPI_SIG_IVRS           "IVRS"      /* I/O Virtualization Reporting Structure */
@@ -426,6 +427,86 @@ typedef struct acpi_table_agdi
 
 /*******************************************************************************
  *
+ * APMT - ARM Performance Monitoring Unit Table
+ *
+ * Conforms to:
+ * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
+ * ARM DEN0117 v1.0 November 25, 2021
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_apmt {
+    ACPI_TABLE_HEADER Header;    /* Common ACPI table header */
+} ACPI_TABLE_APMT;
+
+#define ACPI_APMT_NODE_ID_LENGTH                4
+
+/*
+ * APMT subtables
+ */
+typedef struct acpi_apmt_node {
+    UINT16                       Length;
+    UINT8                        Flags;
+    UINT8                        Type;
+    UINT32                       Id;
+    UINT64                       InstPrimary;
+    UINT32                       InstSecondary;
+    UINT64                       BaseAddress0;
+    UINT64                       BaseAddress1;
+    UINT32                       OvflwIrq;
+    UINT32                       Reserved;
+    UINT32                       OvflwIrqFlags;
+    UINT32                       ProcAffinity;
+    UINT32                       ImplId;
+} ACPI_APMT_NODE;
+
+/* Masks for Flags field above */
+
+#define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
+#define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
+#define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
+
+/* Values for Flags dual page field above */
+
+#define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
+#define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
+
+/* Values for Flags processor affinity field above */
+#define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
+#define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
+
+/* Values for Flags 64-bit atomic field above */
+#define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
+#define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
+
+/* Values for Type field above */
+
+enum acpi_apmt_node_type {
+    ACPI_APMT_NODE_TYPE_MC                      = 0x00,
+    ACPI_APMT_NODE_TYPE_SMMU                    = 0x01,
+    ACPI_APMT_NODE_TYPE_PCIE_ROOT               = 0x02,
+    ACPI_APMT_NODE_TYPE_ACPI                    = 0x03,
+    ACPI_APMT_NODE_TYPE_CACHE                   = 0x04,
+    ACPI_APMT_NODE_TYPE_COUNT
+};
+
+/* Masks for ovflw_irq_flags field above */
+
+#define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
+#define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
+
+/* Values for ovflw_irq_flags mode field above */
+
+#define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
+#define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
+
+/* Values for ovflw_irq_flags type field above */
+
+#define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
+
+
+/*******************************************************************************
+ *
  * BDAT - BIOS Data ACPI Table
  *
  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5