[PATCH] ACPICA: Update to version 20200528

Colin King colin.king at canonical.com
Thu May 28 21:23:53 UTC 2020


From: Colin Ian King <colin.king at canonical.com>

Changes in this release of ACPICA are detailed at the following
link on the ACPICA developer mailing list:

https://lists.acpica.org/hyperkitty/list/devel@acpica.org/thread/XIGARBD4AECTLQPYP5A6MGJIUMMWWO4I/

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/acpica/source/compiler/aslcompiler.l      |  1 +
 src/acpica/source/compiler/aslkeywords.y      |  1 +
 src/acpica/source/compiler/aslmap.c           |  1 +
 src/acpica/source/compiler/aslmethod.c        |  5 +++-
 src/acpica/source/compiler/asltokens.y        |  1 +
 src/acpica/source/compiler/aslxref.c          | 21 ++++++++++++++---
 .../source/components/debugger/dbdisply.c     |  2 ++
 .../source/components/utilities/utdecode.c    | 23 ++++++++++---------
 src/acpica/source/include/acpixf.h            |  2 +-
 src/acpica/source/include/actypes.h           |  3 ++-
 10 files changed, 43 insertions(+), 17 deletions(-)

diff --git a/src/acpica/source/compiler/aslcompiler.l b/src/acpica/source/compiler/aslcompiler.l
index c12eb90b..4016faed 100644
--- a/src/acpica/source/compiler/aslcompiler.l
+++ b/src/acpica/source/compiler/aslcompiler.l
@@ -693,6 +693,7 @@ NamePathTail                [.]{NameSeg}
 "GeneralPurposeIo"          { count (0); return (PARSEOP_REGIONSPACE_GPIO); }       /* ACPI 5.0 */
 "GenericSerialBus"          { count (0); return (PARSEOP_REGIONSPACE_GSBUS); }      /* ACPI 5.0 */
 "PCC"                       { count (0); return (PARSEOP_REGIONSPACE_PCC); }        /* ACPI 5.0 */
+"PlatformRtMechanism"       { count (0); return (PARSEOP_REGIONSPACE_PRM); }
 "FFixedHW"                  { count (0); return (PARSEOP_REGIONSPACE_FFIXEDHW); }
 
     /* ResourceTypeKeyword: Resource Usage - Resource Descriptors */
diff --git a/src/acpica/source/compiler/aslkeywords.y b/src/acpica/source/compiler/aslkeywords.y
index 84a81632..8b456229 100644
--- a/src/acpica/source/compiler/aslkeywords.y
+++ b/src/acpica/source/compiler/aslkeywords.y
@@ -394,6 +394,7 @@ RegionSpaceKeyword
     | PARSEOP_REGIONSPACE_GPIO              {$$ = TrCreateLeafOp (PARSEOP_REGIONSPACE_GPIO);}
     | PARSEOP_REGIONSPACE_GSBUS             {$$ = TrCreateLeafOp (PARSEOP_REGIONSPACE_GSBUS);}
     | PARSEOP_REGIONSPACE_PCC               {$$ = TrCreateLeafOp (PARSEOP_REGIONSPACE_PCC);}
+    | PARSEOP_REGIONSPACE_PRM               {$$ = TrCreateLeafOp (PARSEOP_REGIONSPACE_PRM);}
     | PARSEOP_REGIONSPACE_FFIXEDHW          {$$ = TrCreateLeafOp (PARSEOP_REGIONSPACE_FFIXEDHW);}
     ;
 
diff --git a/src/acpica/source/compiler/aslmap.c b/src/acpica/source/compiler/aslmap.c
index 65103049..2c03cd08 100644
--- a/src/acpica/source/compiler/aslmap.c
+++ b/src/acpica/source/compiler/aslmap.c
@@ -485,6 +485,7 @@ const ASL_MAPPING_ENTRY     AslKeywordMapping [] =
 /* REGIONSPACE_PCC */           OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PLATFORM_COMM,   0,                  0),
 /* REGIONSPACE_PCI */           OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PCI_CONFIG,      0,                  0),
 /* REGIONSPACE_PCIBAR */        OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PCI_BAR_TARGET,  0,                  0),
+/* REGIONSPACE_PRM */           OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_PLATFORM_RT,     0,                  0),
 /* REGIONSPACE_SMBUS */         OP_TABLE_ENTRY (AML_RAW_DATA_BYTE,          ACPI_ADR_SPACE_SMBUS,           0,                  0),
 /* REGISTER */                  OP_TABLE_ENTRY (AML_BYTE_OP,                0,                              0,                  0),
 /* RELEASE */                   OP_TABLE_ENTRY (AML_RELEASE_OP,             0,                              0,                  0),
diff --git a/src/acpica/source/compiler/aslmethod.c b/src/acpica/source/compiler/aslmethod.c
index d56f4817..ff6fd474 100644
--- a/src/acpica/source/compiler/aslmethod.c
+++ b/src/acpica/source/compiler/aslmethod.c
@@ -724,7 +724,7 @@ MtCheckNamedObjectInMethod (
     }
 
     OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
-    if (OpInfo->Class == AML_CLASS_NAMED_OBJECT)
+    if ((OpInfo->Class == AML_CLASS_NAMED_OBJECT) && (Op->Asl.AmlOpcode != AML_FIELD_OP))
     {
         /*
          * 1) Mark the method as a method that creates named objects.
@@ -739,6 +739,9 @@ MtCheckNamedObjectInMethod (
          * Reason: If a thread blocks within the method for any reason, and
          * another thread enters the method, the method will fail because
          * an attempt will be made to create the same object twice.
+         *
+         * Note: The Field opcode is disallowed here because Field() does not
+         * create a new named object.
          */
         ExternalPath = AcpiNsGetNormalizedPathname (MethodInfo->Op->Asl.Node, TRUE);
 
diff --git a/src/acpica/source/compiler/asltokens.y b/src/acpica/source/compiler/asltokens.y
index 0b61469a..49c060a5 100644
--- a/src/acpica/source/compiler/asltokens.y
+++ b/src/acpica/source/compiler/asltokens.y
@@ -422,6 +422,7 @@ NoEcho('
 %token <i> PARSEOP_REGIONSPACE_PCC
 %token <i> PARSEOP_REGIONSPACE_PCI
 %token <i> PARSEOP_REGIONSPACE_PCIBAR
+%token <i> PARSEOP_REGIONSPACE_PRM
 %token <i> PARSEOP_REGIONSPACE_SMBUS
 %token <i> PARSEOP_REGISTER
 %token <i> PARSEOP_RELEASE
diff --git a/src/acpica/source/compiler/aslxref.c b/src/acpica/source/compiler/aslxref.c
index 0df33e31..4bbbe2bd 100644
--- a/src/acpica/source/compiler/aslxref.c
+++ b/src/acpica/source/compiler/aslxref.c
@@ -821,9 +821,24 @@ XfNamespaceLocateBegin (
         Node->Flags |= ANOBJ_IS_REFERENCED;
     }
 
-    /* Attempt to optimize the NamePath */
-
-    OptOptimizeNamePath (Op, OpInfo->Flags, WalkState, Path, Node);
+    /*
+     * Attempt to optimize the NamePath
+     *
+     * One special case: CondRefOf operator - not all AML interpreter
+     * implementations expect optimized namepaths as a parameter to this
+     * operator. They require relative name paths with prefix operators or
+     * namepaths starting with the root scope.
+     *
+     * Other AML interpreter implementations do not perform the namespace
+     * search that starts at the current scope and recursively searching the
+     * parent scope until the root scope. The lack of search is only known to
+     * occur for the namestring parameter for the CondRefOf operator.
+     */
+    if ((Op->Asl.Parent) &&
+        (Op->Asl.Parent->Asl.ParseOpcode != PARSEOP_CONDREFOF))
+    {
+        OptOptimizeNamePath (Op, OpInfo->Flags, WalkState, Path, Node);
+    }
 
     /*
      * 1) Dereference an alias (A name reference that is an alias)
diff --git a/src/acpica/source/components/debugger/dbdisply.c b/src/acpica/source/components/debugger/dbdisply.c
index 58bd8eae..75e3e6f8 100644
--- a/src/acpica/source/components/debugger/dbdisply.c
+++ b/src/acpica/source/components/debugger/dbdisply.c
@@ -204,6 +204,8 @@ static ACPI_ADR_SPACE_TYPE  AcpiGbl_SpaceIdList[] =
     ACPI_ADR_SPACE_IPMI,
     ACPI_ADR_SPACE_GPIO,
     ACPI_ADR_SPACE_GSBUS,
+    ACPI_ADR_SPACE_PLATFORM_COMM,
+    ACPI_ADR_SPACE_PLATFORM_RT,
     ACPI_ADR_SPACE_DATA_TABLE,
     ACPI_ADR_SPACE_FIXED_HARDWARE
 };
diff --git a/src/acpica/source/components/utilities/utdecode.c b/src/acpica/source/components/utilities/utdecode.c
index 01b1823e..d7f2b5cc 100644
--- a/src/acpica/source/components/utilities/utdecode.c
+++ b/src/acpica/source/components/utilities/utdecode.c
@@ -214,17 +214,18 @@ const UINT8                     AcpiGbl_NsProperties[ACPI_NUM_NS_TYPES] =
 
 const char        *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
 {
-    "SystemMemory",      /* 0x00 */
-    "SystemIO",          /* 0x01 */
-    "PCI_Config",        /* 0x02 */
-    "EmbeddedControl",   /* 0x03 */
-    "SMBus",             /* 0x04 */
-    "SystemCMOS",        /* 0x05 */
-    "PCIBARTarget",      /* 0x06 */
-    "IPMI",              /* 0x07 */
-    "GeneralPurposeIo",  /* 0x08 */
-    "GenericSerialBus",  /* 0x09 */
-    "PCC"                /* 0x0A */
+    "SystemMemory",       /* 0x00 */
+    "SystemIO",           /* 0x01 */
+    "PCI_Config",         /* 0x02 */
+    "EmbeddedControl",    /* 0x03 */
+    "SMBus",              /* 0x04 */
+    "SystemCMOS",         /* 0x05 */
+    "PCIBARTarget",       /* 0x06 */
+    "IPMI",               /* 0x07 */
+    "GeneralPurposeIo",   /* 0x08 */
+    "GenericSerialBus",   /* 0x09 */
+    "PCC",                /* 0x0A */
+    "PlatformRtMechanism" /* 0x0B */
 };
 
 
diff --git a/src/acpica/source/include/acpixf.h b/src/acpica/source/include/acpixf.h
index ed280425..2eafdeac 100644
--- a/src/acpica/source/include/acpixf.h
+++ b/src/acpica/source/include/acpixf.h
@@ -154,7 +154,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20200430
+#define ACPI_CA_VERSION                 0x20200528
 
 #include "acconfig.h"
 #include "actypes.h"
diff --git a/src/acpica/source/include/actypes.h b/src/acpica/source/include/actypes.h
index c7d2c9aa..2666ebfb 100644
--- a/src/acpica/source/include/actypes.h
+++ b/src/acpica/source/include/actypes.h
@@ -968,8 +968,9 @@ typedef UINT8                           ACPI_ADR_SPACE_TYPE;
 #define ACPI_ADR_SPACE_GPIO             (ACPI_ADR_SPACE_TYPE) 8
 #define ACPI_ADR_SPACE_GSBUS            (ACPI_ADR_SPACE_TYPE) 9
 #define ACPI_ADR_SPACE_PLATFORM_COMM    (ACPI_ADR_SPACE_TYPE) 10
+#define ACPI_ADR_SPACE_PLATFORM_RT      (ACPI_ADR_SPACE_TYPE) 11
 
-#define ACPI_NUM_PREDEFINED_REGIONS     11
+#define ACPI_NUM_PREDEFINED_REGIONS     12
 
 /*
  * Special Address Spaces
-- 
2.25.1




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