Adding support for BeagleBoard.

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / moddi3.S

diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/moddi3.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/moddi3.S
new file mode 100644 (file)
index 0000000..7af8d21
--- /dev/null
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/moddi3.S
@@ -0,0 +1,47 @@
+#------------------------------------------------------------------------------ 
+#
+# Copyright (c) 2008-2009 Apple Inc. All rights reserved.
+#
+# All rights reserved. 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
+       .align 2
+       .globl ___moddi3
+___moddi3:
+       @ args = 0, pretend = 0, frame = 8
+       @ frame_needed = 1, uses_anonymous_args = 0
+       stmfd   sp!, {r4, r5, r7, lr}
+       mov     r4, r1, asr #31
+       add     r7, sp, #8
+       stmfd   sp!, {r10, r11}
+       mov     r10, r3, asr #31
+       sub     sp, sp, #16
+       mov     r5, r4
+       mov     r11, r10
+       eor     r0, r0, r4
+       eor     r1, r1, r4
+       eor     r2, r2, r10
+       eor     r3, r3, r10
+       add     ip, sp, #8
+       subs    r0, r0, r4
+       sbc     r1, r1, r5
+       subs    r2, r2, r10
+       sbc     r3, r3, r11
+       str     ip, [sp, #0]
+       bl      ___udivmoddi4
+       ldrd    r0, [sp, #8]
+       eor     r0, r0, r4
+       eor     r1, r1, r4
+       subs    r0, r0, r4
+       sbc     r1, r1, r5
+       sub     sp, r7, #16
+       ldmfd   sp!, {r10, r11}
+       ldmfd   sp!, {r4, r5, r7, pc}