mirror of https://github.com/acidanthera/audk.git
OptionRomPkg BltLibSample: Fix build for IPF architecture
Use AsmReadItc for IPF and AsmReadTsc for IA32 & X64. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11580 6f19259b-4bc3-4df7-8a09-765794883524
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@ -20,6 +20,20 @@
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#include <Library/UefiBootServicesTableLib.h>
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UINT64
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ReadTimestamp (
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VOID
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)
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{
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#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
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return AsmReadTsc ();
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#elif defined (MDE_CPU_IPF)
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return AsmReadItc ();
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#else
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#error ReadTimestamp not supported for this architecture!
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#endif
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}
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UINT32
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Rand32 (
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VOID
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@ -34,10 +48,10 @@ Rand32 (
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R32 = 0;
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Found = 0;
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Tsc1 = AsmReadTsc ();
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Tsc2 = AsmReadTsc ();
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Tsc1 = ReadTimestamp ();
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Tsc2 = ReadTimestamp ();
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do {
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Tsc2 = AsmReadTsc ();
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Tsc2 = ReadTimestamp ();
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TscBits = Tsc2 ^ Tsc1;
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Bits = HighBitSet64 (TscBits);
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if (Bits > 0) {
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