From: Jordan Justen <jordan.l.justen@intel.com>
Date: Tue, 31 May 2016 01:51:59 +0000 (-0700)
Subject: MdePkg BaseLib: Convert Ia32/DivU64x32Remainder.asm to NASM
X-Git-Tag: edk2-stable201903~6696
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=fb79aa01bdcf3270077dde5efe7093156292f90a

MdePkg BaseLib: Convert Ia32/DivU64x32Remainder.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/DivU64x32Remainder.asm to Ia32/DivU64x32Remainder.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 718009b7f5..0288be5b9d 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -323,6 +323,7 @@
   Ia32/EnableDisableInterrupts.asm | INTEL 
   Ia32/DivU64x64Remainder.nasm| INTEL
   Ia32/DivU64x64Remainder.asm | INTEL 
+  Ia32/DivU64x32Remainder.nasm| INTEL
   Ia32/DivU64x32Remainder.asm | INTEL 
   Ia32/DivU64x32.asm | INTEL 
   Ia32/DisablePaging32.asm | INTEL 
@@ -365,6 +366,7 @@
   Ia32/SwapBytes64.S | GCC 
   Ia32/DivU64x64Remainder.nasm| GCC
   Ia32/DivU64x64Remainder.S | GCC 
+  Ia32/DivU64x32Remainder.nasm| GCC
   Ia32/DivU64x32Remainder.S | GCC 
   Ia32/ModU64x32.nasm| GCC
   Ia32/ModU64x32.S | GCC 
diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.nasm b/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.nasm
new file mode 100644
index 0000000000..2a54e91b32
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.nasm
@@ -0,0 +1,48 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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.
+;
+; Module Name:
+;
+;   DivError.asm
+;
+; Abstract:
+;
+;   Set error flag for all division functions
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathDivRemU64x32 (
+;   IN      UINT64                    Dividend,
+;   IN      UINT32                    Divisor,
+;   OUT     UINT32                    *Remainder
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMathDivRemU64x32)
+ASM_PFX(InternalMathDivRemU64x32):
+    mov     ecx, [esp + 12]         ; ecx <- divisor
+    mov     eax, [esp + 8]          ; eax <- dividend[32..63]
+    xor     edx, edx
+    div     ecx                     ; eax <- quotient[32..63], edx <- remainder
+    push    eax
+    mov     eax, [esp + 8]          ; eax <- dividend[0..31]
+    div     ecx                     ; eax <- quotient[0..31]
+    mov     ecx, [esp + 20]         ; ecx <- Remainder
+    jecxz   .0                      ; abandon remainder if Remainder == NULL
+    mov     [ecx], edx
+.0:
+    pop     edx                     ; edx <- quotient[32..63]
+    ret
+