iASL: Add support for the SDEI table

ACPI 6.2 adds support for the Software Delegated Exception Interface,
which is described by "Software Delegated Exception Interface (SDEI)"
ARM DEN0054A.

Add the necessary types in the ACPICA header files and support for
compiling/decompiling the table.

Signed-off-by: James Morse <james.morse@arm.com>

source/common/ahtable.c

@@ -239,6 +239,7 @@ const AH_TABLE      Gbl_AcpiSupportedTables[] =
     {ACPI_SIG_RSDT, "Root System Description Table"},
     {ACPI_SIG_S3PT, "S3 Performance Table"},
     {ACPI_SIG_SBST, "Smart Battery Specification Table"},
+    {ACPI_SIG_SDEI, "Software Delegated Exception Interface Table"},
     {ACPI_SIG_SLIC, "Software Licensing Description Table"},
     {ACPI_SIG_SLIT, "System Locality Information Table"},
     {ACPI_SIG_SPCR, "Serial Port Console Redirection table"},

source/common/dmtable.c

@@ -493,6 +493,7 @@ const ACPI_DMTABLE_DATA     AcpiDmTableData[] =
     {ACPI_SIG_RSDT, NULL,                   AcpiDmDumpRsdt, DtCompileRsdt,  TemplateRsdt},
     {ACPI_SIG_S3PT, NULL,                   NULL,           NULL,           TemplateS3pt},
     {ACPI_SIG_SBST, AcpiDmTableInfoSbst,    NULL,           NULL,           TemplateSbst},
+    {ACPI_SIG_SDEI, AcpiDmTableInfoSdei,    NULL,           NULL,           TemplateSdei},
     {ACPI_SIG_SLIC, NULL,                   AcpiDmDumpSlic, DtCompileSlic,  TemplateSlic},
     {ACPI_SIG_SLIT, NULL,                   AcpiDmDumpSlit, DtCompileSlit,  TemplateSlit},
     {ACPI_SIG_SPCR, AcpiDmTableInfoSpcr,    NULL,           NULL,           TemplateSpcr},

source/common/dmtbinfo.c

@@ -218,6 +218,7 @@
 #define ACPI_RASF_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_RASF,f)
 #define ACPI_S3PT_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_S3PT,f)
 #define ACPI_SBST_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_SBST,f)
+#define ACPI_SDEI_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_SDEI,f)
 #define ACPI_SLIT_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_SLIT,f)
 #define ACPI_SPCR_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_SPCR,f)
 #define ACPI_SPMI_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_SPMI,f)
@@ -2767,6 +2768,16 @@ ACPI_DMTABLE_INFO           AcpiDmTableInfoPmtt2[] =
     ACPI_DMT_TERMINATOR
 };
 
+/*******************************************************************************
+ *
+ * SDEI - Software Delegated Execption Interface Descriptor Table
+ *
+ ******************************************************************************/
+
+ACPI_DMTABLE_INFO           AcpiDmTableInfoSdei[] =
+{
+    ACPI_DMT_TERMINATOR
+};
 
 /*******************************************************************************
  *

source/compiler/dtcompiler.h

@@ -726,6 +726,7 @@ extern const unsigned char  TemplateRasf[];
 extern const unsigned char  TemplateRsdt[];
 extern const unsigned char  TemplateS3pt[];
 extern const unsigned char  TemplateSbst[];
+extern const unsigned char  TemplateSdei[];
 extern const unsigned char  TemplateSlic[];
 extern const unsigned char  TemplateSlit[];
 extern const unsigned char  TemplateSpcr[];

source/compiler/dttemplate.h

@@ -1178,6 +1178,15 @@ const unsigned char TemplateSbst[] =
     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00   /* 00000028    "........" */
 };
 
+const unsigned char TemplateSdei[] =
+{
+    0x53,0x44,0x45,0x49,0x3e,0x00,0x00,0x00,  /* 00000000    "SDEI>..." */
+    0x01,0x59,0x41,0x52,0x4d,0x20,0x20,0x20,  /* 00000008    ".mARM  " */
+    0x54,0x45,0x4D,0x50,0x4C,0x41,0x54,0x45,  /* 00000010    "TEMPLATE" */
+    0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C,  /* 00000018    "....INTL" */
+    0x30,0x09,0x16,0x20                       /* 00000028    "0.. " */
+};
+
 const unsigned char TemplateSlic[] =
 {
     0x53,0x4C,0x49,0x43,0x76,0x01,0x00,0x00,  /* 00000000    "SLICv..." */

source/include/acdisasm.h

@@ -271,6 +271,7 @@ typedef enum
     ACPI_DMT_PCCT,
     ACPI_DMT_PMTT,
     ACPI_DMT_PPTT,
+    ACPI_DMT_SDEI,
     ACPI_DMT_SLIC,
     ACPI_DMT_SRAT,
 
@@ -527,6 +528,7 @@ extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3ptHdr[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3pt0[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoS3pt1[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSbst[];
+extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSdei[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSlic[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSlit[];
 extern ACPI_DMTABLE_INFO        AcpiDmTableInfoSpcr[];

source/include/actbl2.h

@@ -186,6 +186,7 @@
 #define ACPI_SIG_MCHI           "MCHI"      /* Management Controller Host Interface table */
 #define ACPI_SIG_MSDM           "MSDM"      /* Microsoft Data Management Table */
 #define ACPI_SIG_MTMR           "MTMR"      /* MID Timer table */
+#define ACPI_SIG_SDEI           "SDEI"      /* Software Delegated Exception Interface Table */
 #define ACPI_SIG_SLIC           "SLIC"      /* Software Licensing Description Table */
 #define ACPI_SIG_SPCR           "SPCR"      /* Serial Port Console Redirection table */
 #define ACPI_SIG_SPMI           "SPMI"      /* Server Platform Management Interface table */
@@ -1422,6 +1423,21 @@ typedef struct acpi_mtmr_entry
 
 } ACPI_MTMR_ENTRY;
 
+/*******************************************************************************
+ *
+ * SDEI - Software Delegated Exception Interface Descriptor Table
+ *
+ * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
+ * May 8th, 2017. Copyright 2017 ARM Ltd.
+ *
+ ******************************************************************************/
+
+typedef struct acpi_table_sdei
+{
+    ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
+
+} ACPI_TABLE_SDEI;
+
 
 /*******************************************************************************
  *