4 files changed, 239 insertions, 0 deletions
diff --git a/CryptoPkg/Library/IntrinsicLib/Ia32/MathLShiftS64.S b/CryptoPkg/Library/IntrinsicLib/Ia32/MathLShiftS64.S
new file mode 100644
index 0000000..7031a59
--- /dev/null
+++ b/CryptoPkg/Library/IntrinsicLib/Ia32/MathLShiftS64.S
@@ -0,0 +1,62 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2014, 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:
+#
+#   MathLShiftS64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Shifts a 64-bit signed value left by a certain number of bits.
+#
+#------------------------------------------------------------------------------
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(__ashldi3)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __ashldi3 (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__ashldi3):
+    #
+    # Handle shifting of 64 or more bits (return 0)
+    #
+    cmpb    $64, %cl
+    jae     ReturnZero
+
+    #
+    # Handle shifting of between 0 and 31 bits
+    #
+    cmpb    $32, %cl
+    jae     More32
+    shld    %cl, %eax, %edx
+    shl     %cl, %eax
+    ret
+
+    #
+    # Handle shifting of between 32 and 63 bits
+    #
+More32:
+    movl    %eax, %edx
+    xor     %eax, %eax
+    and     $31, %cl
+    shl     %cl, %edx
+    ret
+
+ReturnZero:
+    xor     %eax, %eax
+    xor     %edx, %edx
+    ret
diff --git a/CryptoPkg/Library/IntrinsicLib/Ia32/MathLShiftS64.c b/CryptoPkg/Library/IntrinsicLib/Ia32/MathLShiftS64.c
new file mode 100644
index 0000000..0c0835d
--- /dev/null
+++ b/CryptoPkg/Library/IntrinsicLib/Ia32/MathLShiftS64.c
@@ -0,0 +1,54 @@
+/** @file
+  64-bit Math Worker Function.
+  The 32-bit versions of C compiler generate calls to library routines
+  to handle 64-bit math. These functions use non-standard calling conventions.
+
+Copyright (c) 2014, 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.
+
+**/
+
+
+/*
+ * Shifts a 64-bit signed value left by a particular number of bits.
+ */
+__declspec(naked) void __cdecl _allshl (void)
+{
+  _asm {
+    ;
+    ; Handle shifting of 64 or more bits (return 0)
+    ;
+    cmp     cl, 64
+    jae     short ReturnZero
+
+    ;
+    ; Handle shifting of between 0 and 31 bits
+    ;
+    cmp     cl, 32
+    jae     short More32
+    shld    edx, eax, cl
+    shl     eax, cl
+    ret
+
+    ;
+    ; Handle shifting of between 32 and 63 bits
+    ;
+More32:
+    mov     edx, eax
+    xor     eax, eax
+    and     cl, 31
+    shl     edx, cl
+    ret
+
+ReturnZero:
+    xor     eax,eax
+    xor     edx,edx
+    ret
+  }
+}
diff --git a/CryptoPkg/Library/IntrinsicLib/Ia32/MathRShiftU64.S b/CryptoPkg/Library/IntrinsicLib/Ia32/MathRShiftU64.S
new file mode 100644
index 0000000..24142b0
--- /dev/null
+++ b/CryptoPkg/Library/IntrinsicLib/Ia32/MathRShiftU64.S
@@ -0,0 +1,66 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2014, 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:
+#
+#   MathRShiftU64.S
+#
+# Abstract:
+#
+#   64-bit Math Worker Function.
+#   Shifts a 64-bit unsigned value right by a certain number of bits.
+#
+#------------------------------------------------------------------------------
+
+
+    .686:
+    .code:
+
+ASM_GLOBAL ASM_PFX(__ashrdi3)
+
+#------------------------------------------------------------------------------
+#
+# void __cdecl __ashrdi3 (void)
+#
+#------------------------------------------------------------------------------
+ASM_PFX(__ashrdi3):
+    #
+    # Checking: Only handle 64bit shifting or more
+    #
+    cmpb    $64, %cl
+    jae     _Exit
+
+    #
+    # Handle shifting between 0 and 31 bits
+    #
+    cmpb    $32, %cl
+    jae     More32
+    shrd    %cl, %edx, %eax
+    shr     %cl, %edx
+    ret
+
+    #
+    # Handle shifting of 32-63 bits
+    #
+More32:
+    movl    %edx, %eax
+    xor     %edx, %edx
+    and     $31, %cl
+    shr     %cl, %eax
+    ret
+
+    #
+    # Invalid number (less then 32bits), return 0
+    #
+_Exit:
+    xor     %eax, %eax
+    xor     %edx, %edx
+    ret
diff --git a/CryptoPkg/Library/IntrinsicLib/Ia32/MathRShiftU64.c b/CryptoPkg/Library/IntrinsicLib/Ia32/MathRShiftU64.c
new file mode 100644
index 0000000..86b1004
--- /dev/null
+++ b/CryptoPkg/Library/IntrinsicLib/Ia32/MathRShiftU64.c
@@ -0,0 +1,57 @@
+/** @file
+  64-bit Math Worker Function.
+  The 32-bit versions of C compiler generate calls to library routines
+  to handle 64-bit math. These functions use non-standard calling conventions.
+
+Copyright (c) 2014, 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.
+
+**/
+
+
+/*
+ * Shifts a 64-bit unsigned value right by a certain number of bits.
+ */
+__declspec(naked) void __cdecl _aullshr (void)
+{
+  _asm {
+    ;
+    ; Checking: Only handle 64bit shifting or more
+    ;
+    cmp     cl, 64
+    jae     _Exit
+
+    ;
+    ; Handle shifting between 0 and 31 bits
+    ;
+    cmp     cl, 32
+    jae     More32
+    shrd    eax, edx, cl
+    shr     edx, cl
+    ret
+
+    ;
+    ; Handle shifting of 32-63 bits
+    ;
+More32:
+    mov     eax, edx
+    xor     edx, edx
+    and     cl, 31
+    shr     eax, cl
+    ret
+
+    ;
+    ; Invalid number (less then 32bits), return 0
+    ;
+_Exit:
+    xor     eax, eax
+    xor     edx, edx
+    ret
+  }
+}