1 files changed, 199 insertions, 0 deletions
diff --git a/BraswellPlatformPkg/Common/Silicon/IntelSiliconBasic/CpuInit/x64/Cpu.asm b/BraswellPlatformPkg/Common/Silicon/IntelSiliconBasic/CpuInit/x64/Cpu.asm
new file mode 100644
index 0000000000..c621e28bfb
--- /dev/null
+++ b/BraswellPlatformPkg/Common/Silicon/IntelSiliconBasic/CpuInit/x64/Cpu.asm
@@ -0,0 +1,199 @@
+;; @file
+;  Assembly code for the IA-32 resources.
+;
+;  Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
+;
+;  This program and the accompanying materials
+;  are licensed and made available under the terms and conditions of the BSD License
+;  which accompanies this distribution.  The full text of the license may be found at
+;  http://opensource.org/licenses/bsd-license.php.
+;
+;  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+;  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+;;
+
+text    SEGMENT
+
+
+
+
+;------------------------------------------------------------------------------
+;  UINTN
+;  CpuReadCr0 (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+CpuReadCr0 PROC      PUBLIC
+    mov   rax, cr0
+    ret
+CpuReadCr0  ENDP
+
+;------------------------------------------------------------------------------
+;  VOID
+;  CpuWriteCr0 (
+;    UINTN  Value
+;    )
+;------------------------------------------------------------------------------
+CpuWriteCr0 PROC        PUBLIC
+    mov   cr0, rcx
+    ret
+CpuWriteCr0  ENDP
+
+;------------------------------------------------------------------------------
+;  UINTN
+;  CpuReadCr3 (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+CpuReadCr3 PROC        PUBLIC
+    mov   rax, cr3
+    ret
+CpuReadCr3  ENDP
+
+;------------------------------------------------------------------------------
+;  UINTN
+;  CpuWriteCr3 (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+CpuWriteCr3 PROC        PUBLIC
+    mov   cr3, rcx
+    ret
+CpuWriteCr3  ENDP
+
+
+;------------------------------------------------------------------------------
+;  UINTN
+;  CpuFlushTlb (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+CpuFlushTlb PROC        PUBLIC
+    mov   rax, cr3
+    mov   cr3, rax
+    ret
+CpuFlushTlb  ENDP
+
+
+;------------------------------------------------------------------------------
+; UINTN
+; CpuSetPower2 (
+;   IN  UINTN   Input
+;   );
+;------------------------------------------------------------------------------
+CpuSetPower2 PROC        PUBLIC
+    bsr   rdx, rcx
+    bts   rax, rdx
+    ret
+CpuSetPower2  ENDP
+
+;------------------------------------------------------------------------------
+; UINT64
+; CpuReadTsc (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuReadTsc PROC        PUBLIC
+    rdtsc
+    ret
+CpuReadTsc  ENDP
+
+;------------------------------------------------------------------------------
+; UINT64
+; CpuSwitchStacks (
+;   IN  UINTN EntryPoint, // rcx
+;   IN  UINTN Parameter1, // rdx
+;   IN  UINTN NewStack,   // r8
+;   IN  UINTN NewBsp      // r9 - Only used on IPF
+;   );
+;------------------------------------------------------------------------------
+CpuSwitchStacks PROC        PUBLIC
+    mov   rsp,  r8       ; rsp = NewStack
+    push  rdx            ; Parameter1
+    call  rcx            ; rcx = EntryPoint
+ ;
+ ; no ret as we have a new stack and we jumped to the new location
+ ;
+CpuSwitchStacks  ENDP
+
+;------------------------------------------------------------------------------
+; UINT64
+; CpuSwitchStacks2Args (
+;   IN  UINTN EntryPoint,   // rcx
+;   IN  UINTN Parameter1,   // rdx
+;   IN  UINTN Parameter2,   // r8
+;   IN  UINTN NewStack,     // r9
+;   IN  UINTN Bsp           // Only used on IPF
+;   );
+;
+; BSP not used on IA-32
+;
+;------------------------------------------------------------------------------
+CpuSwitchStacks2Args PROC        PUBLIC
+    mov   rsp,  r8       ; rsp = NewStack
+    push  r8             ; Parameter2
+    push  rdx            ; Parameter1
+    call  rcx            ; rcx = EntryPoint
+ ;
+ ; no ret as we have a new stack and we jumped to the new location
+ ;
+ CpuSwitchStacks2Args  ENDP
+
+
+;------------------------------------------------------------------------------
+; UINT16
+; CpuCodeSegment (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuCodeSegment PROC        PUBLIC
+    xor   eax, eax
+    mov   eax, cs
+    ret
+CpuCodeSegment  ENDP
+
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuBreak (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuBreak PROC   PUBLIC
+    int 3
+    ret
+CpuBreak  ENDP
+
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuLoadGlobalDescriptorTable (
+;   VOID  *Table16ByteAligned
+;   );
+;------------------------------------------------------------------------------
+CpuLoadGlobalDescriptorTable PROC   PUBLIC
+    lgdt  FWORD PTR [rcx]
+    ret
+CpuLoadGlobalDescriptorTable  ENDP
+
+CpuInitSelectors PROC   PUBLIC
+  int 68h
+  ret
+CpuInitSelectors    ENDP
+;------------------------------------------------------------------------------
+; VOID
+; CpuLoadInterruptDescriptorTable (
+;   VOID  *Table16ByteAligned
+;   );
+;------------------------------------------------------------------------------
+CpuLoadInterruptDescriptorTable PROC   PUBLIC
+    lidt  FWORD PTR [rcx]
+    ret
+CpuLoadInterruptDescriptorTable  ENDP
+
+
+text  ENDS
+END
+
+