OvmfPkg/AcpiTables/Facp.aslc

   1 /** @file
   2   FACP Table
   3
   4   Copyright (c) 2013, Red Hat, Inc.
   5   Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "Platform.h"
  11
  12 EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE FACP = {
  13   {
  14     EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
  15     sizeof (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE),
  16     EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION,
  17     0,                          // to make sum of entire table == 0
  18     {EFI_ACPI_OEM_ID},          // OEMID is a 6 bytes long field
  19     EFI_ACPI_OEM_TABLE_ID,      // OEM table identification(8 bytes long)
  20     EFI_ACPI_OEM_REVISION,      // OEM revision number
  21     EFI_ACPI_CREATOR_ID,        // ASL compiler vendor ID
  22     EFI_ACPI_CREATOR_REVISION   // ASL compiler revision number
  23   },
  24   0,                // Physical addesss of FACS
  25   0,                // Physical address of DSDT
  26   RESERVED,         // System Interrupt Model in ACPI 1.0, eliminated in 2.0
  27   EFI_ACPI_2_0_PM_PROFILE_UNSPECIFIED, // Preferred PM profile
  28   SCI_INT_VECTOR,   // System vector of SCI interrupt
  29   SMI_CMD_IO_PORT,  // Port address of SMI command port
  30   ACPI_ENABLE,      // value to write to port smi_cmd to enable ACPI
  31   ACPI_DISABLE,     // value to write to port smi_cmd to disable ACPI
  32   S4BIOS_REQ,       // Value to write to SMI CMD port to enter the S4BIOS state
  33   0,                // PState control
  34   PM1a_EVT_BLK,     // Port address of Power Mgt 1a Event Reg Blk
  35   0,                // Power Mgt 1b Event Reg Blk unsupported
  36   PM1a_CNT_BLK,     // Port address of Power Mgt 1a Ctrl Reg Blk
  37   0,                // Power Mgt 1b Ctrl Reg Blk unsupported
  38   0,                // Power Mgt 2  Ctrl Reg Blk unsupported
  39   PM_TMR_BLK,       // Port address of Power Mgt Timer Ctrl Reg Blk
  40   GPE0_BLK,         // Port addr of General Purpose Event 0 Reg Blk
  41   0,                // General Purpose Event 1 Reg Blk unsupported
  42   PM1_EVT_LEN,      // Byte Length of ports at pm1X_evt_blk
  43   PM1_CNT_LEN,      // Byte Length of ports at pm1X_cnt_blk
  44   0,                // Power Mgt 2 Ctrl Reg Blk unsupported
  45   PM_TM_LEN,        // Byte Length of ports at pm_tm_blk
  46   GPE0_BLK_LEN,     // Byte Length of ports at gpe0_blk
  47   0,                // General Purpose Event 1 Reg Blk unsupported
  48   0,                // General Purpose Event 1 Reg Blk unsupported
  49   0,                // _CST support
  50   P_LVL2_LAT,       // worst case HW latency to enter/exit C2 state
  51   P_LVL3_LAT,       // worst case HW latency to enter/exit C3 state
  52   FLUSH_SIZE,       // Size of area read to flush caches
  53   FLUSH_STRIDE,     // Stride used in flushing caches
  54   DUTY_OFFSET,      // bit location of duty cycle field in p_cnt reg
  55   DUTY_WIDTH,       // bit width of duty cycle field in p_cnt reg
  56   DAY_ALRM,         // index to day-of-month alarm in RTC CMOS RAM
  57   MON_ALRM,         // index to month-of-year alarm in RTC CMOS RAM
  58   CENTURY,          // index to century in RTC CMOS RAM
  59   0x0000,           // Boot architecture flag (16-bit)
  60   RESERVED,         // reserved
  61   FLAG,             // Fixed feature flags
  62   GAS2_IO(RESET_REG, 1), // Extended address of the Reset Register
  63   RESET_VALUE,           // Value for the Reset Register to reset the system
  64   { RESERVED },     // reserved[3]
  65   0,                // 64-bit physical addesss of FACS, set at installation
  66   0,                // 64-bit physical addesss of DSDT, set at installation
  67
  68   GAS2_IO(PM1a_EVT_BLK, PM1_EVT_LEN), // Ext. addr. of PM 1a Event Reg Blk
  69   { 0 },                              // PM 1b Event Reg Blk unsupported
  70   GAS2_IO(PM1a_CNT_BLK, PM1_CNT_LEN), // Ext. addr. of PM 1a Ctrl Reg Blk
  71   { 0 },                              // PM 1b Ctrl Reg Blk unsupported
  72   { 0 },                              // PM 2  Ctrl Reg Blk unsupported
  73   GAS2_IO(PM_TMR_BLK, PM_TM_LEN),     // Ext. addr. of PM Timer Ctrl Reg Blk
  74   GAS2_IO(GPE0_BLK, GPE0_BLK_LEN),    // Ext. addr. of GPE 0 Reg Blk
  75   { 0 }                               // GPE 1 Reg Blk unsupported
  76 };
  77
  78
  79 VOID*
  80 ReferenceAcpiTable (
  81   VOID
  82   )
  83 {
  84   //
  85   // Reference the table being generated to prevent the optimizer from removing the
  86   // data structure from the exeutable
  87   //
  88   return (VOID*)&FACP;
  89 }