From 58867095ca0304678d6cc7b5f8d1b19efa7b18e8 Mon Sep 17 00:00:00 2001 From: vprabhal Date: Fri, 5 Oct 2007 18:52:48 +0000 Subject: [PATCH] created a new library instance with CpuSleep and CpuFlushTlb git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4025 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Include/Library/CpuLib.h | 42 +++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h index 4d2b809625..5ac8ee7179 100644 --- a/MdePkg/Include/Library/CpuLib.h +++ b/MdePkg/Include/Library/CpuLib.h @@ -15,4 +15,46 @@ #ifndef __CPU_LIB_H__ #define __CPU_LIB_H__ +/** + Places the CPU in a sleep state until an interrupt is received. + + Places the CPU in a sleep state until an interrupt is received. If interrupts + are disabled prior to calling this function, then the CPU will be placed in a + sleep state indefinitely. + +**/ +VOID +EFIAPI +CpuSleep ( + VOID + ); + + +/** + Requests CPU to pause for a short period of time. + + Requests CPU to pause for a short period of time. Typically used in MP + systems to prevent memory starvation while waiting for a spin lock. + +**/ +VOID +EFIAPI +CpuPause ( + VOID + ); + + +/** + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + +**/ +VOID +EFIAPI +CpuFlushTlb ( + VOID + ); + + #endif \ No newline at end of file -- 2.39.2