diff options
Diffstat (limited to 'BeagleBoardPkg/Sec/Arm/ModuleEntryPoint.S')
-rw-r--r-- | BeagleBoardPkg/Sec/Arm/ModuleEntryPoint.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/BeagleBoardPkg/Sec/Arm/ModuleEntryPoint.S b/BeagleBoardPkg/Sec/Arm/ModuleEntryPoint.S index 950ba43c69..07e054732f 100644 --- a/BeagleBoardPkg/Sec/Arm/ModuleEntryPoint.S +++ b/BeagleBoardPkg/Sec/Arm/ModuleEntryPoint.S @@ -35,6 +35,14 @@ ASM_PFX(_ModuleEntryPoint): orr r0, r0, #0x00000002 /* set bit 1 (A) Align */
orr r0, r0, #0x00001000 /* set bit 12 (I) enable I-Cache */
mcr p15, 0, r0, c1, c0, 0
+
+ // Enable NEON register in case folks want to use them for optimizations (CopyMem)
+ mrc p15, 0, r0, c1, c0, 2
+ orr r0, r0, #0x00f00000 // Enable VPF access (V* instructions)
+ mcr p15, 0, r0, c1, c0, 2
+ mov r0, #0x40000000 // Set EN bit in FPEXC
+ mcr p10,#0x7,r0,c8,c0,#0 // msr FPEXC,r0 in ARM assembly
+
// Set CPU vectors to start of DRAM
LoadConstantToReg (FixedPcdGet32(PcdCpuVectorBaseAddress) ,r0) // Get vector base
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