ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.S

   1 #
   2 #  Copyright (c) 2014, ARM Limited. All rights reserved.
   3 #
   4 #  This program and the accompanying materials are licensed and made available
   5 #  under the terms and conditions of the BSD License which accompanies this
   6 #  distribution. The full text of the license may be found at
   7 #  http://opensource.org/licenses/bsd-license.php
   8 #
   9 #  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 #
  12 #
  13
  14 #include <AsmMacroIoLib.h>
  15 #include <Library/ArmLib.h>
  16
  17 // For the moment we assume this will run in SVC mode on ARMv7
  18
  19 //UINT32
  20 //EFIAPI
  21 //ArmGicGetControlSystemRegisterEnable (
  22 //  VOID
  23 //  );
  24 ASM_FUNC(ArmGicV3GetControlSystemRegisterEnable)
  25         mrc     p15, 0, r0, c12, c12, 5 // ICC_SRE
  26         bx      lr
  27
  28 //VOID
  29 //EFIAPI
  30 //ArmGicSetControlSystemRegisterEnable (
  31 //  IN UINT32         ControlSystemRegisterEnable
  32 //  );
  33 ASM_FUNC(ArmGicV3SetControlSystemRegisterEnable)
  34         mcr     p15, 0, r0, c12, c12, 5 // ICC_SRE
  35         isb
  36         bx      lr
  37
  38 //VOID
  39 //ArmGicV3EnableInterruptInterface (
  40 //  VOID
  41 //  );
  42 ASM_FUNC(ArmGicV3EnableInterruptInterface)
  43         mov     r0, #1
  44         mcr     p15, 0, r0, c12, c12, 7 // ICC_IGRPEN1
  45         bx      lr
  46
  47 //VOID
  48 //ArmGicV3DisableInterruptInterface (
  49 //  VOID
  50 //  );
  51 ASM_FUNC(ArmGicV3DisableInterruptInterface)
  52         mov     r0, #0
  53         mcr     p15, 0, r0, c12, c12, 7 // ICC_IGRPEN1
  54         bx      lr
  55
  56 //VOID
  57 //ArmGicV3EndOfInterrupt (
  58 //  IN UINTN InterruptId
  59 //  );
  60 ASM_FUNC(ArmGicV3EndOfInterrupt)
  61         mcr     p15, 0, r0, c12, c12, 1 //ICC_EOIR1
  62         bx      lr
  63
  64 //UINTN
  65 //ArmGicV3AcknowledgeInterrupt (
  66 //  VOID
  67 //  );
  68 ASM_FUNC(ArmGicV3AcknowledgeInterrupt)
  69         mrc     p15, 0, r0, c12, c12, 0 //ICC_IAR1
  70         bx      lr
  71
  72 //VOID
  73 //ArmGicV3SetPriorityMask (
  74 //  IN UINTN                  Priority
  75 //  );
  76 ASM_FUNC(ArmGicV3SetPriorityMask)
  77         mcr     p15, 0, r0, c4, c6, 0 //ICC_PMR
  78         bx      lr
  79
  80 //VOID
  81 //ArmGicV3SetBinaryPointer (
  82 //  IN UINTN                  BinaryPoint
  83 //  );
  84 ASM_FUNC(ArmGicV3SetBinaryPointer)
  85         mcr     p15, 0, r0, c12, c12, 3 //ICC_BPR1
  86         bx      lr