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authorStu Grossman <grossman@cygnus>1996-09-28 01:38:45 +0000
committerStu Grossman <grossman@cygnus>1996-09-28 01:38:45 +0000
commit88777ce2a6681104eed8c7a15df49acf03935134 (patch)
tree09c0aa03669c7dd8b87bf117e7f84ed5f7b92131
parent8d622d4c7c24d005fa3b0affd6d8386171769e9e (diff)
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* gencode.c (write_opcodes): Output hex values for opcode mask
and patterns. * interp.c (sim_resume): Save and restore PC from the appropriate register. * (sim_fetch_register sim_store_register): Fix byte-order problem with reading and writing registers. * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
-rw-r--r--sim/v850/ChangeLog10
-rw-r--r--sim/v850/gencode.c2
-rw-r--r--sim/v850/interp.c12
-rw-r--r--sim/v850/simops.c8
4 files changed, 27 insertions, 5 deletions
diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog
index e26b49c..5d4920f 100644
--- a/sim/v850/ChangeLog
+++ b/sim/v850/ChangeLog
@@ -1,3 +1,13 @@
+Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
+
+ * gencode.c (write_opcodes): Output hex values for opcode mask
+ and patterns.
+ * interp.c (sim_resume): Save and restore PC from the appropriate
+ register.
+ * (sim_fetch_register sim_store_register): Fix byte-order problem
+ with reading and writing registers.
+ * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
+
Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
* simops.c (trace_input): Fix thinko.
diff --git a/sim/v850/gencode.c b/sim/v850/gencode.c
index 3e98ace..a637fe2 100644
--- a/sim/v850/gencode.c
+++ b/sim/v850/gencode.c
@@ -94,7 +94,7 @@ write_opcodes ()
for (opcode = (struct v850_opcode *)v850_opcodes; opcode->name; opcode++)
{
- printf (" { %ld,%ld,OP_%X,",
+ printf (" { 0x%x,0x%x,OP_%X,",
opcode->opcode, opcode->mask, opcode->opcode);
Opcodes[curop++] = opcode->opcode;
diff --git a/sim/v850/interp.c b/sim/v850/interp.c
index ce70743..77b7c66 100644
--- a/sim/v850/interp.c
+++ b/sim/v850/interp.c
@@ -287,10 +287,10 @@ sim_open (args)
{
#ifdef DEBUG
if (strcmp (args, "-t") == 0)
- d10v_debug = DEBUG;
+ v850_debug = DEBUG;
else
#endif
- (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: unsupported option(s): %s\n",args);
+ (*v850_callback->printf_filtered) (v850_callback, "ERROR: unsupported option(s): %s\n",args);
}
/* put all the opcodes in the hash table */
@@ -342,6 +342,8 @@ sim_resume (step, siggnal)
uint32 inst, opcode;
reg_t oldpc;
+ PC = State.sregs[0];
+
if (step)
State.exception = SIGTRAP;
else
@@ -399,6 +401,8 @@ sim_resume (step, siggnal)
}
}
while (!State.exception);
+
+ State.sregs[0] = PC;
}
int
@@ -462,7 +466,7 @@ sim_fetch_register (rn, memory)
int rn;
unsigned char *memory;
{
- *(uint32 *)memory = State.regs[rn];
+ put_word (memory, State.regs[rn]);
}
void
@@ -470,7 +474,7 @@ sim_store_register (rn, memory)
int rn;
unsigned char *memory;
{
- State.regs[rn]= *(uint32 *)memory;
+ State.regs[rn] = get_word (memory);
}
int
diff --git a/sim/v850/simops.c b/sim/v850/simops.c
index 07d9ae2..0b92c89 100644
--- a/sim/v850/simops.c
+++ b/sim/v850/simops.c
@@ -1898,6 +1898,14 @@ OP_C7C0 ()
trace_output (OP_BIT);
}
+/* breakpoint */
+void
+OP_FFFF ()
+{
+ State.exception = SIGTRAP;
+ PC -= 4;
+}
+
/* di */
void
OP_16007E0 ()