ArmPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / ArmPkg / Library / ArmLib / Arm / ArmV7ArchTimerSupport.asm

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2011, ARM Limited. All rights reserved.\r
//\r
// SPDX-License-Identifier: BSD-2-Clause-Patent\r
//\r
//------------------------------------------------------------------------------\r
\r
\r
    INCLUDE AsmMacroExport.inc\r
    PRESERVE8\r
\r
 RVCT_ASM_EXPORT ArmReadCntFrq\r
  mrc    p15, 0, r0, c14, c0, 0    ; Read CNTFRQ\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntFrq\r
  mcr    p15, 0, r0, c14, c0, 0    ; Write to CNTFRQ\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntPct\r
  mrrc   p15, 0, r0, r1, c14       ; Read CNTPT (Physical counter register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntkCtl\r
  mrc    p15, 0, r0, c14, c1, 0    ; Read CNTK_CTL (Timer PL1 Control Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntkCtl\r
  mcr    p15, 0, r0, c14, c1, 0    ; Write to CNTK_CTL (Timer PL1 Control Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntpTval\r
  mrc    p15, 0, r0, c14, c2, 0    ; Read CNTP_TVAL (PL1 physical timer value register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntpTval\r
  mcr    p15, 0, r0, c14, c2, 0    ; Write to CNTP_TVAL (PL1 physical timer value register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntpCtl\r
  mrc    p15, 0, r0, c14, c2, 1    ; Read CNTP_CTL (PL1 Physical Timer Control Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntpCtl\r
  mcr    p15, 0, r0, c14, c2, 1    ; Write to  CNTP_CTL (PL1 Physical Timer Control Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntvTval\r
  mrc    p15, 0, r0, c14, c3, 0    ; Read CNTV_TVAL (Virtual Timer Value register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntvTval\r
  mcr    p15, 0, r0, c14, c3, 0    ; Write to CNTV_TVAL (Virtual Timer Value register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntvCtl\r
  mrc    p15, 0, r0, c14, c3, 1    ; Read CNTV_CTL (Virtual Timer Control Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntvCtl\r
  mcr    p15, 0, r0, c14, c3, 1    ; Write to CNTV_CTL (Virtual Timer Control Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntvCt\r
  mrrc   p15, 1, r0, r1, c14       ; Read CNTVCT  (Virtual Count Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntpCval\r
  mrrc   p15, 2, r0, r1, c14       ; Read CNTP_CTVAL (Physical Timer Compare Value Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntpCval\r
  mcrr   p15, 2, r0, r1, c14       ; Write to CNTP_CTVAL (Physical Timer Compare Value Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntvCval\r
  mrrc   p15, 3, r0, r1, c14       ; Read CNTV_CTVAL (Virtual Timer Compare Value Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntvCval\r
  mcrr   p15, 3, r0, r1, c14       ; write to  CNTV_CTVAL (Virtual Timer Compare Value Register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmReadCntvOff\r
  mrrc   p15, 4, r0, r1, c14       ; Read CNTVOFF (virtual Offset register)\r
  bx     lr\r
\r
 RVCT_ASM_EXPORT ArmWriteCntvOff\r
  mcrr   p15, 4, r0, r1, c14       ; Write to CNTVOFF (Virtual Offset register)\r
  bx     lr\r
\r
 END\r