1 files changed, 86 insertions, 0 deletions
diff --git a/grub-core/kern/arm/compiler-rt.S b/grub-core/kern/arm/compiler-rt.S
new file mode 100644
index 0000000..645b42f
--- /dev/null
+++ b/grub-core/kern/arm/compiler-rt.S
@@ -0,0 +1,86 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+#include <grub/dl.h>
+
+	.file	"misc.S"
+	.text
+	.syntax	unified
+#if !defined (__thumb2__)
+	.arm
+#else
+	.thumb
+#endif
+
+	.align	2
+
+FUNCTION(__muldi3)
+FUNCTION(__aeabi_lmul)
+        stmfd   sp!, {r4, fp}
+        add     fp, sp, #4
+        sub     sp, sp, #16
+        str     r0, [fp, #-12]
+        str     r1, [fp, #-8]
+        str     r2, [fp, #-20]
+        str     r3, [fp, #-16]
+        ldr     r3, [fp, #-8]
+        ldr     r2, [fp, #-20]
+        mul     r2, r3, r2
+        ldr     r3, [fp, #-16]
+        ldr     r1, [fp, #-12]
+        mul     r3, r1, r3
+        add     r2, r2, r3
+        ldr     r0, [fp, #-12]
+        ldr     r1, [fp, #-20]
+        umull   r3, r4, r0, r1
+        add     r2, r2, r4
+        mov     r4, r2
+        mov     r0, r3
+        mov     r1, r4
+	mov     sp, fp
+	sub     sp, sp, #4
+        ldmfd   sp!, {r4, fp}
+        bx      lr
+
+	.macro division32 parent
+
+        sub     sp, sp, #8      @ Allocate naturally aligned 64-bit space
+        stmfd   sp!, {r3,lr}    @ Dummy r3 to maintain stack alignment
+        add     r2, sp, #8      @ Set r2 to address of 64-bit space
+        bl      \parent
+        ldr     r1, [sp, #8]    @ Extract remainder
+        ldmfd   sp!, {r3,lr}    @ Pop into an unused arg/scratch register
+        add     sp, sp, #8
+        bx      lr
+	.endm
+
+FUNCTION(__aeabi_uidivmod)
+	division32 grub_divmod32
+FUNCTION(__aeabi_idivmod)
+	division32 grub_divmod32s
+
+/*
+ * Null divide-by-zero handler
+ */
+FUNCTION(__aeabi_unwind_cpp_pr0)
+FUNCTION(raise)
+	mov	r0, #0
+	bx	lr
+	
+	END