Commit Graph

4 Commits

Author SHA1 Message Date
jljusten d6d8e8925f BaseUefiCpuLib: Preserve EBX register in InitializeFloatingPointUnits
The EBX register should be preserved for the IA32 C calling convention.
The use of the CPUID instruction was modifying the EBX register, so
we push and pop EBX.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9573 6f19259b-4bc3-4df7-8a09-765794883524
2009-12-16 23:29:20 +00:00
qhuang8 86973faa31 Update x64 version of InitializeFpu.asm to use raw op-codes instead of 'finit' so that some early version of MS assemblers can support.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9496 6f19259b-4bc3-4df7-8a09-765794883524
2009-11-30 06:28:42 +00:00
qhuang8 989322c384 Introduce UefiCpuLib library class in UefiCpuPkg and add one instance of BaseUefiCpuLib. The major purpose of this library class / instance is to provide some routines that are generic for IA32 family CPU
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9480 6f19259b-4bc3-4df7-8a09-765794883524
2009-11-25 04:25:02 +00:00
jljusten e50466da24 Add MTRR library for IA32 & X64 processor architectures.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8394 6f19259b-4bc3-4df7-8a09-765794883524
2009-05-27 21:09:39 +00:00