[edk2,6/6] Platforms/Marvell/Armada70x0Lib: switch to ASM_FUNC() asm macro

Message ID 1470910101-20322-7-git-send-email-ard.biesheuvel@linaro.org
State New
Headers show

Commit Message

Ard Biesheuvel Aug. 11, 2016, 10:08 a.m.
Annotate functions with ASM_FUNC() so that they are emitted into
separate sections.

While we're at it, clean up some inefficient uses of LoadConstantToReg()
(which require runtime relocation).

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 Platforms/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S | 32 +++++---------------
 1 file changed, 8 insertions(+), 24 deletions(-)

-- 
2.7.4

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Patch

diff --git a/Platforms/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S b/Platforms/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S
index 4ad435c9d044..9265636ca5cf 100644
--- a/Platforms/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S
+++ b/Platforms/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S
@@ -15,18 +15,7 @@ 
 #include <AsmMacroIoLibV8.h>
 #include <Library/ArmLib.h>
 
-.text
-.align 2
-
-GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
-GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
-GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
-GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
-
-GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
-GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)
-
-ASM_PFX(ArmPlatformPeiBootAction):
+ASM_FUNC(ArmPlatformPeiBootAction)
   ret
 
 //UINTN
@@ -34,7 +23,7 @@  ASM_PFX(ArmPlatformPeiBootAction):
 //  IN UINTN MpId
 //  );
 // With this function: CorePos = (ClusterId * 4) + CoreId
-ASM_PFX(ArmPlatformGetCorePosition):
+ASM_FUNC(ArmPlatformGetCorePosition)
   and   x1, x0, #ARM_CORE_MASK
   and   x0, x0, #ARM_CLUSTER_MASK
   add   x0, x1, x0, LSR #6
@@ -44,23 +33,18 @@  ASM_PFX(ArmPlatformGetCorePosition):
 //ArmPlatformGetPrimaryCoreMpId (
 //  VOID
 //  );
-ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
-  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, x0)
-  ldrh  w0, [x0]
+ASM_FUNC(ArmPlatformGetPrimaryCoreMpId)
+  MOV32 (w0, FixedPcdGet32(PcdArmPrimaryCore))
   ret
 
 //UINTN
 //ArmPlatformIsPrimaryCore (
 //  IN UINTN MpId
 //  );
-ASM_PFX(ArmPlatformIsPrimaryCore):
-  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, x1)
-  ldrh  w1, [x1]
+ASM_FUNC(ArmPlatformIsPrimaryCore)
+  MOV32 (w1, FixedPcdGet32(PcdArmPrimaryCoreMask))
   and   x0, x0, x1
-  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, x1)
-  ldrh  w1, [x1]
+  MOV32 (w1, FixedPcdGet32(PcdArmPrimaryCore))
   cmp   w0, w1
-  mov   x0, #1
-  mov   x1, #0
-  csel  x0, x0, x1, eq
+  cset  x0, eq
   ret