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authorNathan Binkert <nate@binkert.org>2008-11-10 11:51:18 -0800
committerNathan Binkert <nate@binkert.org>2008-11-10 11:51:18 -0800
commiteb5d9ba72b0309e7f98c382e3a80ce0601dbe084 (patch)
treedb510966579937d92bdacf4ad00b949e1ef0a5a8 /util
parentc25d966b06061402894b99a2362cb109275b73d1 (diff)
downloadgem5-eb5d9ba72b0309e7f98c382e3a80ce0601dbe084.tar.xz
pseudo inst: Add rpns (read processor nanoseconds) instruction.
This instruction basically returns the number of nanoseconds that the CPU has been running.
Diffstat (limited to 'util')
-rw-r--r--util/m5/m5op.h1
-rw-r--r--util/m5/m5op_alpha.S2
-rw-r--r--util/m5/m5ops.h1
3 files changed, 4 insertions, 0 deletions
diff --git a/util/m5/m5op.h b/util/m5/m5op.h
index f4e6bb0f1..bab2e2b9e 100644
--- a/util/m5/m5op.h
+++ b/util/m5/m5op.h
@@ -39,6 +39,7 @@ void quiesce(void);
void quiesceNs(uint64_t ns);
void quiesceCycle(uint64_t cycles);
uint64_t quiesceTime(void);
+uint64_t rpns();
void m5_exit(uint64_t ns_delay);
uint64_t m5_initparam(void);
diff --git a/util/m5/m5op_alpha.S b/util/m5/m5op_alpha.S
index 7aeffb2c7..77e9afe34 100644
--- a/util/m5/m5op_alpha.S
+++ b/util/m5/m5op_alpha.S
@@ -59,6 +59,7 @@ func:
#define QUIESCENS(r1) INST(m5_op, r1, 0, quiescens_func)
#define QUIESCECYC(r1) INST(m5_op, r1, 0, quiescecycle_func)
#define QUIESCETIME INST(m5_op, 0, 0, quiescetime_func)
+#define RPNS INST(m5_op, 0, 0, rpns_func)
#define M5EXIT(reg) INST(m5_op, reg, 0, exit_func)
#define INITPARAM(reg) INST(m5_op, reg, 0, initparam_func)
#define LOADSYMBOL(reg) INST(m5_op, reg, 0, loadsymbol_func)
@@ -79,6 +80,7 @@ SIMPLE_OP(quiesce, QUIESCE)
SIMPLE_OP(quiesceNs, QUIESCENS(16))
SIMPLE_OP(quiesceCycle, QUIESCECYC(16))
SIMPLE_OP(quiesceTime, QUIESCETIME)
+SIMPLE_OP(rpns, RPNS)
SIMPLE_OP(m5_exit, M5EXIT(16))
SIMPLE_OP(m5_initparam, INITPARAM(0))
SIMPLE_OP(m5_loadsymbol, LOADSYMBOL(0))
diff --git a/util/m5/m5ops.h b/util/m5/m5ops.h
index 58846e1cf..ab9bdd857 100644
--- a/util/m5/m5ops.h
+++ b/util/m5/m5ops.h
@@ -34,6 +34,7 @@
#define quiescens_func 0x02
#define quiescecycle_func 0x03
#define quiescetime_func 0x04
+#define rpns_func 0x07
#define deprecated1_func 0x10 // obsolete ivlb
#define deprecated2_func 0x11 // obsolete ivle
#define deprecated3_func 0x20 // deprecated exit function