X-Git-Url: https://git.ucc.asn.au/?p=tpg%2Facess2.git;a=blobdiff_plain;f=KernelLand%2FKernel%2Farch%2Farmv7%2Flib.S;fp=KernelLand%2FKernel%2Farch%2Farmv7%2Flib.S;h=554d7a111b2f97764430ce26b7d80fa61aa51494;hp=e2f06130589c4c26cc5dc24c7a288e54a83fb0d6;hb=93d0cdaafdf1edc4af1270e04bdb97159a51a30f;hpb=5b99c972f3994cd19a04ac57caaf20da96a6aa14

diff --git a/KernelLand/Kernel/arch/armv7/lib.S b/KernelLand/Kernel/arch/armv7/lib.S
index e2f06130..554d7a11 100644
--- a/KernelLand/Kernel/arch/armv7/lib.S
+++ b/KernelLand/Kernel/arch/armv7/lib.S
@@ -82,3 +82,11 @@ __divmod32_asm:
 	pop {r4}
 	mov pc, lr
 
+.globl __sync_fetch_and_and_4
+__sync_fetch_and_and_4:
+	mov r2, r0
+	ldr r0, [r2]
+	mov r3, r0
+	and r3, r1
+	str r3, [r2]
+	mov pc, lr