diff options
| author | David A. Long <dave.long@linaro.org> | 2013-09-10 12:17:07 -0400 |
|---|---|---|
| committer | Ryan Harkin <ryan.harkin@linaro.org> | 2013-09-18 10:36:13 +0100 |
| commit | 9b48c946f32eb4614f723e9c5a5384b52260dc7f (patch) | |
| tree | 8ff4c78cc6326d52d7e778f7d20a0b7a1a8646f6 | |
| parent | 8e84594ddd69a36aa89b30fb10b0e8231801e39a (diff) | |
panda: Add new helper functions for Panda
Signed-off-by: David A. Long <dave.long@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 |