summaryrefslogtreecommitdiff
path: root/arch/arm/lib/floppydma.S
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/lib/floppydma.S
Initial import
Diffstat (limited to 'arch/arm/lib/floppydma.S')
-rw-r--r--arch/arm/lib/floppydma.S32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/lib/floppydma.S b/arch/arm/lib/floppydma.S
new file mode 100644
index 000000000..617150b1b
--- /dev/null
+++ b/arch/arm/lib/floppydma.S
@@ -0,0 +1,32 @@
+/*
+ * linux/arch/arm/lib/floppydma.S
+ *
+ * Copyright (C) 1995, 1996 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+ .text
+
+ .global floppy_fiqin_end
+ENTRY(floppy_fiqin_start)
+ subs r9, r9, #1
+ ldrgtb r12, [r11, #-4]
+ ldrleb 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
+ ldrgeb r12, [r10], #1
+ movlt r12, #0
+ strleb r12, [r11], #0
+ subles pc, lr, #4
+ strb r12, [r11, #-4]
+ subs pc, lr, #4
+floppy_fiqout_end: