summaryrefslogtreecommitdiffstats
path: root/utils/hwstub/stub/asm/mips
diff options
context:
space:
mode:
Diffstat (limited to 'utils/hwstub/stub/asm/mips')
-rw-r--r--utils/hwstub/stub/asm/mips/atomic_rw.S61
1 files changed, 61 insertions, 0 deletions
diff --git a/utils/hwstub/stub/asm/mips/atomic_rw.S b/utils/hwstub/stub/asm/mips/atomic_rw.S
new file mode 100644
index 0000000000..47c4213a5d
--- /dev/null
+++ b/utils/hwstub/stub/asm/mips/atomic_rw.S
@@ -0,0 +1,61 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2014 by Marcin Bukat
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "mips.h"
+
+ .set noreorder
+ .section .text, "ax", %progbits
+ .global target_read8
+ .type target_read8, %function
+ .global target_read16
+ .type target_read16, %function
+ .global target_read32
+ .type target_read32, %function
+ .global target_write8
+ .type target_write8, %function
+ .global target_write16
+ .type target_write16, %function
+ .global target_write32
+ .type target_write32, %function
+
+target_read8:
+ jr ra
+ lbu v0, 0(a0)
+
+target_read16:
+ jr ra
+ lhu v0, 0(a0)
+
+target_read32:
+ jr ra
+ lw v0, 0(a0)
+
+target_write8:
+ jr ra
+ sb a1, 0(a0)
+
+target_write16:
+ jr ra
+ sh a1, 0(a0)
+
+target_write32:
+ jr ra
+ sw a1, 0(a0)
+
+ .set reorder