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authorSteve Chamberlain <sac@cygnus>1993-01-04 20:55:22 +0000
committerSteve Chamberlain <sac@cygnus>1993-01-04 20:55:22 +0000
commit06137fcb39050b754f71835da1f4ac24d3e08c41 (patch)
treec33ce23c551bba802ad7255f2db8fb952915a679 /sim
parentce1a2ef4cabd20a5bd775caf866899ccf30083ca (diff)
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* p{1,3}.c (sim_resume): when running on dos, any character typed to
the keyboard will cause a simulated exception.
Diffstat (limited to 'sim')
-rw-r--r--sim/h8300/ChangeLog5
-rw-r--r--sim/h8300/Makefile.in19
-rw-r--r--sim/h8300/p1.c57
-rw-r--r--sim/h8300/p3.c9
4 files changed, 41 insertions, 49 deletions
diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index c028b42..f0cfbe6 100644
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jan 4 12:32:35 1993 Steve Chamberlain (sac@wahini.cygnus.com)
+
+ * p1.c (sim_resume): when running on dos, any character typed to
+ the keyboard will cause a simulated exception.
+
Sun Jan 3 14:15:07 1993 Steve Chamberlain (sac@thepub.cygnus.com)
* p1.c, p3.c, run.c, writecode.c: all used h8/300 opcodes in and
diff --git a/sim/h8300/Makefile.in b/sim/h8300/Makefile.in
index 1a87e92..4a5f7af 100644
--- a/sim/h8300/Makefile.in
+++ b/sim/h8300/Makefile.in
@@ -57,8 +57,9 @@ INCDIR = $(srcdir)/../include
CSEARCH = -I. -I$(srcdir) -I$(INCDIR) -I$(srcdir)/../bfd
DEP = mkdep
+#### host, target, and site specific Makefile frags come in here.
-TARGETLIB = libsim.a
+all: run
run: code.o run.o
$(CC) -o run code.o run.o ../bfd/libbfd.a ../libiberty/libiberty.a
@@ -72,7 +73,7 @@ p2.c:writecode
writecode:writecode.c
- $(CC_FOR_BUILD) -o writecode -g $(CSEARCH) -c $(srcdir)/writecode.c
+ $(CC_FOR_BUILD) -o writecode -g $(CSEARCH) $(srcdir)/writecode.c
@@ -98,13 +99,6 @@ FLAGS_TO_PASS = \
$(CC) -c $(CFLAGS) $(HDEFINES) $(TDEFINES) $(CSEARCH) $(CSWITCHES) $<
-# C source files that correspond to .o's.
-CFILES = z8k-dis.c
-
-STAGESTUFF = $(TARGETLIB) $(OFILES)
-
-all: $(TARGETLIB)
-
.NOEXPORT:
@@ -117,13 +111,6 @@ install-info:
# HDEPFILES comes from the host config; TDEPFILES from the target config.
-$(TARGETLIB): $(OFILES)
- rm -f $(TARGETLIB)
- $(AR) $(AR_FLAGS) $(TARGETLIB) $(OFILES)
- $(RANLIB) $(TARGETLIB)
-
-# Circumvent Sun Make bug with VPATH.
-sparc-opc.o: sparc-opc.c
tags etags: TAGS
diff --git a/sim/h8300/p1.c b/sim/h8300/p1.c
index 1193e9b..9c9d16c 100644
--- a/sim/h8300/p1.c
+++ b/sim/h8300/p1.c
@@ -58,32 +58,6 @@ int exception;
static unsigned char *mem;
-void
-control_c (sig, code, scp, addr)
- int sig;
- int code;
- char *scp;
- char *addr;
-{
- exception = SIGINT;
-}
-
-void
-sim_store_register (reg, val)
-int reg;
-int val;
-{
- saved_state.reg[reg] = val;
-}
-
-void
-sim_fetch_register (reg, buf)
-int reg;
-char *buf;
-{
- buf[0] = saved_state.reg[reg] >> 8;
- buf[1] = saved_state.reg[reg];
-}
static union
{
@@ -108,7 +82,6 @@ meminit ()
mem = calloc (1024, 64);
littleendian.i = 1;
-
/* initialze the array of pointers to byte registers */
for (tmp = 0; tmp < 8; tmp++)
{
@@ -143,6 +116,35 @@ meminit ()
}
}
+
+void
+control_c (sig, code, scp, addr)
+ int sig;
+ int code;
+ char *scp;
+ char *addr;
+{
+ exception = SIGINT;
+}
+
+void
+sim_store_register (reg, val)
+int reg;
+int val;
+{
+ saved_state.reg[reg] = val;
+}
+
+void
+sim_fetch_register (reg, buf)
+int reg;
+char *buf;
+{
+ meminit();
+ buf[0] = saved_state.reg[reg] >> 8;
+ buf[1] = saved_state.reg[reg];
+}
+
void
sim_write (to, from, len)
int to;
@@ -221,7 +223,6 @@ int sig;
}
do
{
- dst = 0xfeedface;
b0 = pc[0];
b1 = pc[1];
diff --git a/sim/h8300/p3.c b/sim/h8300/p3.c
index 7d4d481..0eb5543 100644
--- a/sim/h8300/p3.c
+++ b/sim/h8300/p3.c
@@ -1,24 +1,20 @@
movflags8:
-if (dst == 0xfeedface) abort();
n = dst & 0x80;
z = !(dst & 0xff);
v = 0;
goto next;
movflags16:
-if (dst == 0xfeedface) abort();
n = dst & 0x8000;
z = !(dst & 0xffff);
v = 0;
goto next;
aluflags8:
-if (dst == 0xfeedface) abort();
n = dst & 0x80;
z = !(dst & 0xff);
v = ((srca & 0x80) == (srcb & 0x80)) && ((srca & 0x80) != (dst & 0x80));
c = dst & 0x100;
goto next;
aluflags16:
-if (dst == 0xfeedface) abort();
n = dst & 0x8000;
z = !(dst & 0xffff);
v = ((srca & 0x8000) == (srcb & 0x8000)) && ((srca & 0x8000) != (dst & 0x8000));
@@ -31,12 +27,15 @@ break;
shiftflags:
v = 0;
incflags:
-if (dst == 0xfeedface) abort();
z = !(dst & 0xff);
n = dst & 0x80;
goto next;
next: ;
pc = npc;
+#ifdef __GO32__
+if (kbhit())
+ exception = SIGINT;
+#endif
} while (!exception);
saved_state.cycles = cycles;