diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-04-22 22:21:53 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-04-22 22:21:53 +0000 |
| commit | 437dfba25bb023f1a9ae351438c14204e950c1f2 (patch) | |
| tree | 31957d2b3b0868b8fdff91ac025984602123fca9 /OptionRomPkg | |
| parent | 4da9ccc9e26c7e74d10425b46eae005dc0ecbf24 (diff) | |
| download | edk2-437dfba25bb023f1a9ae351438c14204e950c1f2.tar.gz edk2-437dfba25bb023f1a9ae351438c14204e950c1f2.tar.bz2 edk2-437dfba25bb023f1a9ae351438c14204e950c1f2.zip | |
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
Diffstat (limited to 'OptionRomPkg')
| -rw-r--r-- | OptionRomPkg/Application/BltLibSample/BltLibSample.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/OptionRomPkg/Application/BltLibSample/BltLibSample.c b/OptionRomPkg/Application/BltLibSample/BltLibSample.c index fd2b2ce345..300b9ee117 100644 --- a/OptionRomPkg/Application/BltLibSample/BltLibSample.c +++ b/OptionRomPkg/Application/BltLibSample/BltLibSample.c @@ -20,6 +20,20 @@ #include <Library/UefiBootServicesTableLib.h>
+UINT64
+ReadTimestamp (
+ VOID
+ )
+{
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+ return AsmReadTsc ();
+#elif defined (MDE_CPU_IPF)
+ return AsmReadItc ();
+#else
+#error ReadTimestamp not supported for this architecture!
+#endif
+}
+
UINT32
Rand32 (
VOID
@@ -34,10 +48,10 @@ Rand32 ( R32 = 0;
Found = 0;
- Tsc1 = AsmReadTsc ();
- Tsc2 = AsmReadTsc ();
+ Tsc1 = ReadTimestamp ();
+ Tsc2 = ReadTimestamp ();
do {
- Tsc2 = AsmReadTsc ();
+ Tsc2 = ReadTimestamp ();
TscBits = Tsc2 ^ Tsc1;
Bits = HighBitSet64 (TscBits);
if (Bits > 0) {
|