[edk2-devel] [edk2-platforms][PATCH 24/30] RiscV/ProcessorPkg: Use mtime CSR library

[Abner Chang]

Use mtime CSR library interface to access mtime
CSR.

Cc: Sunil V L <sunilvl at ventanamicro.com>
Cc: Daniel Schaefer <daniel.schaefer at hpe.com>

Signed-off-by: Abner Chang <abner.chang at hpe.com>
---
 .../Library/RiscVTimerLib/BaseRiscVTimerLib.inf             | 3 ++-
 Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.inf     | 1 +
 .../ProcessorPkg/Library/RiscVTimerLib/RiscVTimerLib.c      | 6 +++---
 Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.c       | 2 +-
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/BaseRiscVTimerLib.inf b/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/BaseRiscVTimerLib.inf
index c914d3b4b6..3c61149da8 100644
--- a/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/BaseRiscVTimerLib.inf
+++ b/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/BaseRiscVTimerLib.inf
@@ -30,5 +30,6 @@
   BaseLib
   PcdLib
   RiscVCpuLib
-  RiscVPlatformTimerLib
+  MachineModeTimerLib
+
 
diff --git a/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.inf b/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.inf
index 29cc4413bd..a422c12e32 100644
--- a/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.inf
+++ b/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.inf
@@ -26,6 +26,7 @@
   CpuLib
   CpuExceptionHandlerLib
   DebugLib
+  MachineModeTimerLib
   RiscVCpuLib
   TimerLib
   UefiBootServicesTableLib
diff --git a/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/RiscVTimerLib.c b/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/RiscVTimerLib.c
index 97fe2aef4b..54ca99787e 100644
--- a/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/RiscVTimerLib.c
+++ b/Silicon/RISC-V/ProcessorPkg/Library/RiscVTimerLib/RiscVTimerLib.c
@@ -36,9 +36,9 @@ InternalRiscVTimerDelay (
     //
     // The target timer count is calculated here
     //
-    Ticks = RiscVReadMachineTimer () + Delay;
+    Ticks = RiscVReadMachineTimerInterface () + Delay;
     Delay = 1 << (RISCV_TIMER_COMPARE_BITS - 2);
-    while (((Ticks - RiscVReadMachineTimer ()) & ( 1 << (RISCV_TIMER_COMPARE_BITS - 1))) == 0) {
+    while (((Ticks - RiscVReadMachineTimerInterface ()) & ( 1 << (RISCV_TIMER_COMPARE_BITS - 1))) == 0) {
       CpuPause ();
     }
   } while (Times-- > 0);
@@ -118,7 +118,7 @@ GetPerformanceCounter (
   VOID
   )
 {
-  return (UINT64)RiscVReadMachineTimer ();
+  return (UINT64)RiscVReadMachineTimerInterface ();
 }
 
 /**return
diff --git a/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.c b/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.c
index b8b8e91a6c..3104c6d2de 100644
--- a/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.c
+++ b/Silicon/RISC-V/ProcessorPkg/Universal/CpuDxe/CpuDxe.c
@@ -223,7 +223,7 @@ CpuGetTimerValue (
     return EFI_INVALID_PARAMETER;
   }
 
-  *TimerValue = (UINT64)RiscVReadMachineTimer ();
+  *TimerValue = (UINT64)RiscVReadMachineTimerInterface ();
   if (TimerPeriod != NULL) {
     *TimerPeriod  = DivU64x32 (
                       1000000000000000u,
-- 
2.31.1



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