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| author | David A. Long <dave.long@linaro.org> | 2013-09-10 12:17:07 -0400 |
|---|---|---|
| committer | Leif Lindholm <leif.lindholm@linaro.org> | 2014-01-24 15:44:19 +0000 |
| commit | d2c821ff0d3b7422304ebed40d3153ad6aeb3fd4 (patch) | |
| tree | e1c10562b4ec3d2abdde773d86363759e7f9b08a | |
| parent | d7c841932053099a45e4866d32793c9b90d42e95 (diff) | |
| download | juice-d2c821ff0d3b7422304ebed40d3153ad6aeb3fd4.tar.gz | |
panda: Add new helper functions for Panda
Signed-off-by: David A. Long <dave.long@linaro.org>
Signed-off-by: Steven Kinney <steven.kinney@linaro.org>
| -rw-r--r-- | PandaBoardPkg/Library/PandaBoardLib/PandaBoardHelper.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/PandaBoardPkg/Library/PandaBoardLib/PandaBoardHelper.S b/PandaBoardPkg/Library/PandaBoardLib/PandaBoardHelper.S index 6405d167c..49fcf533a 100644 --- a/PandaBoardPkg/Library/PandaBoardLib/PandaBoardHelper.S +++ b/PandaBoardPkg/Library/PandaBoardLib/PandaBoardHelper.S @@ -23,6 +23,9 @@ GCC_ASM_EXPORT(ArmPlatformPrePiBootAction) GCC_ASM_EXPORT(ArmPlatformGetCorePosition) +GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore) +GCC_ASM_EXPORT(ArmPlatformPeiBootAction) + /** ArmPlatformPrePiBootAction @@ -99,4 +102,18 @@ relocator_end: ASM_PFX(ArmPlatformGetCorePosition): bx lr +ASM_PFX(ArmPlatformIsPrimaryCore): + #Bits 8 through 11 are CPU ID + ldr r1, =0xf00 + and r0, r0, r1 + #id for core0 should be 0 + ldr r1, =0x0 + cmp r0, r1 + moveq r0, #1 + movne r0, #0 + mov pc, lr + +ASM_PFX(ArmPlatformPeiBootAction): + mov pc, lr + ASM_FUNCTION_REMOVE_IF_UNREFERENCED |