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authorNathan Binkert <binkertn@umich.edu>2003-11-01 13:20:44 -0500
committerNathan Binkert <binkertn@umich.edu>2003-11-01 13:20:44 -0500
commit15613161c28591ca1a40d019a1568f01d68d5743 (patch)
treed8295505ea60b4138349f9ab026a8b26fd491b99 /util/m5/m5op.s
parent166def1f5663bda1766b003fab4c46bc905fdb8d (diff)
downloadgem5-15613161c28591ca1a40d019a1568f01d68d5743.tar.xz
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
Diffstat (limited to 'util/m5/m5op.s')
-rw-r--r--util/m5/m5op.s66
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