UefiCpuPkg/CpuMpPei: Get AP reset code size and far jump information

[mirror_edk2.git] / UefiCpuPkg / CpuMpPei / X64 / MpFuncs.nasm

diff --git a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm
index 3ddf26c29dc7eb6e92c1faf9d738b9f49cc8c071..09c2fbc15ec4bfb77daae244d7e0bf042d4fdd78 100644 (file)
--- a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm
+++ b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm
@@ -175,6 +175,17 @@ CProcedureInvoke:
 
 RendezvousFunnelProcEnd:
 
+;-------------------------------------------------------------------------------------
+;  AsmGetAddressMap (&AddressMap);
+;-------------------------------------------------------------------------------------
+global ASM_PFX(AsmGetAddressMap)
+ASM_PFX(AsmGetAddressMap):
+    mov        rax, ASM_PFX(RendezvousFunnelProc)
+    mov        qword [rcx], rax
+    mov        qword [rcx +  8h], Flat32Start - RendezvousFunnelProcStart
+    mov        qword [rcx + 10h], LongModeStart - RendezvousFunnelProcStart
+    mov        qword [rcx + 18h], RendezvousFunnelProcEnd - RendezvousFunnelProcStart
+    ret
 
 global ASM_PFX(AsmInitializeGdt)
 ASM_PFX(AsmInitializeGdt):