Commit a command for use inside a simulated system for communicating

with the simulator.  This program is generally compiled as the name
m5 and installed in /usr/local/bin

This command uses opcodes that are invalid on a normal system, so
don't expect it to do anything on a real system.

--HG--
extra : convert_revision : fcbae99d4b0d38ff4a9950f1ab53923baa1f667a

1 files changed, 66 insertions, 0 deletions

diff --git a/util/m5/m5op.s b/util/m5/m5op.s
new file mode 100644
index 000000000..fb92bfb9a
--- /dev/null
+++ b/util/m5/m5op.s
@@ -0,0 +1,66 @@
+#include <machine/asm.h>
+#include <regdef.h>
+		
+#define m5_op 0x01
+#define arm_func 0x00
+#define quiesce_func 0x01
+#define ivlb_func 0x10
+#define ivle_func 0x11
+#define m5exit_func 0x20
+#define initparam_func 0x30
+#define resetstats_func 0x40
+	
+#define INST(op, ra, rb, func) \
+	.long (((op) << 26) | ((ra) << 21) | ((rb) << 16) | (func))
+	
+#define	ARM(reg) INST(m5_op, reg, 0, arm_func)
+#define QUIESCE() INST(m5_op, 0, 0, quiesce_func)
+#define IVLB(reg) INST(m5_op, reg, 0, ivlb_func)
+#define IVLE(reg) INST(m5_op, reg, 0, ivle_func)
+#define M5_EXIT() INST(m5_op, 0, 0, m5exit_func)
+#define INITPARAM(reg) INST(m5_op, reg, 0, initparam_func)
+#define RESETSTATS() INST(m5_op, 0, 0, resetstats_func)
+
+	.set noreorder
+
+	.align 4
+LEAF(arm)
+	ARM(16)
+	RET
+END(arm)
+
+	.align 4
+LEAF(quiesce)
+	QUIESCE()
+	RET
+END(quiesce)
+
+	.align 4
+LEAF(ivlb)
+	IVLB(16)
+	RET
+END(ivlb)
+
+	.align 4
+LEAF(ivle)
+	IVLE(16)
+	RET
+END(ivle)
+
+	.align 4
+LEAF(m5exit)
+	M5_EXIT()
+	RET
+END(m5exit)
+
+    .align 4
+LEAF(initparam)
+    INITPARAM(0)
+    RET
+END(initparam)
+
+    .align 4
+LEAF(resetstats)
+    RESETSTATS()
+    RET
+END(resetstats)
\ No newline at end of file