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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/mach-rpc/floppydma.S
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-rpc/floppydma.S')
-rw-r--r--arch/arm/mach-rpc/floppydma.S29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-rpc/floppydma.S b/arch/arm/mach-rpc/floppydma.S
new file mode 100644
index 0000000000..6698b83050
--- /dev/null
+++ b/arch/arm/mach-rpc/floppydma.S
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/arch/arm/lib/floppydma.S
+ *
+ * Copyright (C) 1995, 1996 Russell King
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+ .text
+
+ .global floppy_fiqin_end
+ENTRY(floppy_fiqin_start)
+ subs r9, r9, #1
+ ldrbgt r12, [r11, #-4]
+ ldrble r12, [r11], #0
+ strb r12, [r10], #1
+ subs pc, lr, #4
+floppy_fiqin_end:
+
+ .global floppy_fiqout_end
+ENTRY(floppy_fiqout_start)
+ subs r9, r9, #1
+ ldrbge r12, [r10], #1
+ movlt r12, #0
+ strble r12, [r11], #0
+ subsle pc, lr, #4
+ strb r12, [r11, #-4]
+ subs pc, lr, #4
+floppy_fiqout_end: