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

   1 //
   2 //  Copyright (c) 2014, ARM Limited. All rights reserved.
   3 //
   4 //  SPDX-License-Identifier: BSD-2-Clause-Patent
   5 //
   6 //
   7
   8 // For the moment we assume this will run in SVC mode on ARMv7
   9
  10
  11     INCLUDE AsmMacroExport.inc
  12
  13 //UINT32
  14 //EFIAPI
  15 //ArmGicGetControlSystemRegisterEnable (
  16 //  VOID
  17 //  );
  18  RVCT_ASM_EXPORT ArmGicV3GetControlSystemRegisterEnable
  19         mrc     p15, 0, r0, c12, c12, 5 // ICC_SRE
  20         bx      lr
  21
  22 //VOID
  23 //EFIAPI
  24 //ArmGicSetControlSystemRegisterEnable (
  25 //  IN UINT32         ControlSystemRegisterEnable
  26 //  );
  27  RVCT_ASM_EXPORT ArmGicV3SetControlSystemRegisterEnable
  28         mcr     p15, 0, r0, c12, c12, 5 // ICC_SRE
  29         isb
  30         bx      lr
  31
  32 //VOID
  33 //ArmGicV3EnableInterruptInterface (
  34 //  VOID
  35 //  );
  36  RVCT_ASM_EXPORT ArmGicV3EnableInterruptInterface
  37         mov     r0, #1
  38         mcr     p15, 0, r0, c12, c12, 7 // ICC_IGRPEN1
  39         bx      lr
  40
  41 //VOID
  42 //ArmGicV3DisableInterruptInterface (
  43 //  VOID
  44 //  );
  45  RVCT_ASM_EXPORT ArmGicV3DisableInterruptInterface
  46         mov     r0, #0
  47         mcr     p15, 0, r0, c12, c12, 7 // ICC_IGRPEN1
  48         bx      lr
  49
  50 //VOID
  51 //ArmGicV3EndOfInterrupt (
  52 //  IN UINTN InterruptId
  53 //  );
  54  RVCT_ASM_EXPORT ArmGicV3EndOfInterrupt
  55         mcr     p15, 0, r0, c12, c12, 1 //ICC_EOIR1
  56         bx      lr
  57
  58 //UINTN
  59 //ArmGicV3AcknowledgeInterrupt (
  60 //  VOID
  61 //  );
  62  RVCT_ASM_EXPORT ArmGicV3AcknowledgeInterrupt
  63         mrc     p15, 0, r0, c12, c12, 0 //ICC_IAR1
  64         bx      lr
  65
  66 //VOID
  67 //ArmGicV3SetPriorityMask (
  68 //  IN UINTN                  Priority
  69 //  );
  70  RVCT_ASM_EXPORT ArmGicV3SetPriorityMask
  71         mcr     p15, 0, r0, c4, c6, 0 //ICC_PMR
  72         bx      lr
  73
  74 //VOID
  75 //ArmGicV3SetBinaryPointer (
  76 //  IN UINTN                  BinaryPoint
  77 //  );
  78  RVCT_ASM_EXPORT ArmGicV3SetBinaryPointer
  79         mcr     p15, 0, r0, c12, c12, 3 //ICC_BPR1
  80         bx      lr
  81
  82     END