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-rw-r--r--sim/mips/ChangeLog40
-rwxr-xr-xsim/mips/configure111
-rw-r--r--sim/mips/configure.in2
-rw-r--r--sim/mips/interp.c415
-rw-r--r--sim/mips/mips.igen142
-rw-r--r--sim/mips/sim-main.h34
6 files changed, 362 insertions, 382 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index 8e4c34a..a7a3e06 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,21 @@
+1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
+
+ * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
+ (load_word): Call SIM_CORE_SIGNAL hook on error.
+ (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
+ starting. For exception dispatching, pass PC instead of NULL_CIA.
+ (decode_coproc): Use COP0_BADVADDR to store faulting address.
+ * sim-main.h (COP0_BADVADDR): Define.
+ (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
+ (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
+ (_sim_cpu): Add exc_* fields to store register value snapshots.
+ * mips.igen (*): Replace memory-related SignalException* calls
+ with references to SIM_CORE_SIGNAL hook.
+
+ * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
+ fix.
+ * sim-main.c (*): Minor warning cleanups.
+
1998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
* m16.igen (DADDIU5): Correct type-o.
@@ -88,13 +106,11 @@ end-sanitize-vr4xxx
* mips/interp.c (DEBUG): Cleanups.
-start-sanitize-tx3904
1998-12-10 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
(tx3904sio_tickle): fflush after a stdout character output.
-end-sanitize-tx3904
1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
* interp.c (sim_close): Uninstall modules.
@@ -219,14 +235,12 @@ Thu Nov 5 19:40:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
(r59fp_store): Clarify "bad value" abort messages.
end-sanitize-r5900
-start-sanitize-tx3904
Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
interrupt level number to match changed SignalExceptionInterrupt
macro.
-end-sanitize-tx3904
start-sanitize-sky
Thu Oct 29 12:47:46 1998 Frank Ch. Eigler <fche@cygnus.com>
@@ -293,7 +307,6 @@ Fri Sep 4 10:37:57 1998 Frank Ch. Eigler <fche@cygnus.com>
macros to store output result during computation.
end-sanitize-r5900
-start-sanitize-tx3904
Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904sio.c: Include sim-assert.h.
@@ -313,7 +326,6 @@ Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
frequent hw-trace messages.
-end-sanitize-tx3904
start-sanitize-sky
Tue Aug 11 13:52:16 1998 Frank Ch. Eigler <fche@cygnus.com>
@@ -445,22 +457,18 @@ start-sanitize-sky
end-sanitize-sky
* sim-main.h (interrupt_event): Add prototype.
-start-sanitize-tx3904
* dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
register_ptr, register_value.
(deliver_tx3904tmr_tick): Fix types passed to printf fmt.
-end-sanitize-tx3904
* sim-main.h (tracefh): Make extern.
-start-sanitize-tx3904
Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904tmr.c: Deschedule timer event after dispatching.
Reduce unnecessarily high timer event frequency.
* dv-tx3904cpu.c: Ditto for interrupt event.
-end-sanitize-tx3904
start-sanitize-sky
Tue Jun 16 14:12:09 1998 Frank Ch. Eigler <fche@cygnus.com>
@@ -475,12 +483,10 @@ Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
* interp.c (decode_coproc): For TX39, add stub COP0 register #7,
to allay warnings.
(interrupt_event): Made non-static.
-start-sanitize-tx3904
* dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
interchange of configuration values for external vs. internal
clock dividers.
-end-sanitize-tx3904
Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
@@ -492,7 +498,6 @@ Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
than halting sim.
* sim-main.h: Moved magic constants to here.
-start-sanitize-tx3904
Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
@@ -507,7 +512,6 @@ Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
* interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
serial I/O and timer module at base address 0xFFFF0000.
-end-sanitize-tx3904
Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
* mips.igen (SWC1) : Correct the handling of ReverseEndian
@@ -519,7 +523,6 @@ Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
parts.
* configure: Update.
-start-sanitize-tx3904
Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
* dv-tx3904tmr.c: New file - implements tx3904 timer.
@@ -529,7 +532,6 @@ Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
* interp.c (sim_open): Instantiate three timer instances.
Fix address typo of tx3904irc instance.
-end-sanitize-tx3904
start-sanitize-r5900
Thu Jun 4 16:47:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
@@ -563,7 +565,6 @@ Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
-start-sanitize-tx3904
Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
* dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
@@ -572,7 +573,6 @@ Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
sim-main.h. Declare a struct hw_descriptor instead of struct
hw_device_descriptor.
-end-sanitize-tx3904
Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
* mips.igen (do_store_left, do_load_left): Compute nr of left and
@@ -580,7 +580,6 @@ Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
lanes. Fix incorrect computation in do_store_left when loading
bytes from second word.
-start-sanitize-tx3904
Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
@@ -590,7 +589,6 @@ Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
* dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
* interp.c (signal_exception): Ditto.
-end-sanitize-tx3904
Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
* gencode.c: Mark BEGEZALL as LIKELY.
@@ -626,13 +624,11 @@ Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
exit.
(decode_coproc): Implement RFE instruction for TX39.
(mips.igen): Decode RFE instruction as such.
-start-sanitize-tx3904
* configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
* interp.c: Define "jmr3904" and "jmr3904debug" board types and
bbegin to implement memory map.
* dv-tx3904cpu.c: New file.
* dv-tx3904irc.c: New file.
-end-sanitize-tx3904
Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
diff --git a/sim/mips/configure b/sim/mips/configure
index 6e3abc2..4567b98 100755
--- a/sim/mips/configure
+++ b/sim/mips/configure
@@ -3968,9 +3968,18 @@ case "${target}" in
;;
# end-sanitize-cygnus
# start-sanitize-vr4xxx
- mips64vr4xxx*-*-*) sim_gen=IGEN
- sim_igen_machine="-M mipsIV,vr4100,vr4121 -G gen-multi-sim=mipsIV"
- ;;
+ mips64vr4xxx*-*-*) sim_gen=HACK
+ sim_igen_filter="32,64,f"
+ ;;
+# mips64vr4xxx*-*-*) sim_gen=IGEN
+# sim_igen_machine="-M mipsIV,vr4100,vr4121 -G gen-multi-sim=mipsIV"
+# ;;
+# mips64vr4xxx*-*-*) sim_gen=M16
+# sim_igen_machine="-M mipsIV,vr4100 -G gen-multi-sim=mipsV"
+# sim_m16_machine="-M vr4100"
+# sim_igen_filter="32,64,f"
+# sim_m16_filter="16"
+# ;;
# end-sanitize-vr4xxx
mips64vr41*) sim_gen=M16
sim_igen_machine="-M vr4100"
@@ -4007,14 +4016,12 @@ sim_m16_flags=" -F ${sim_m16_filter} ${sim_m16_machine} ${sim_igen_smp}"
#
hw_enabled=no
case "${target}" in
-# start-sanitize-tx3904
mips*tx39*)
hw_enabled=yes
hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio"
mips_extra_objs="dv-sockser.o"
SIM_SUBTARGET="$SIM_SUBTARGET -DTARGET_TX3904=1"
;;
-# end-sanitize-tx3904
# start-sanitize-sky
mips64r59*-sky-*)
mips_extra_objs='$(SIM_SKY_OBJS)'
@@ -4110,7 +4117,7 @@ esac
# Uses ac_ vars as temps to allow command line to override cache and checks.
# --without-x overrides everything else, but does not touch the cache.
echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:4114: checking for X" >&5
+echo "configure:4123: checking for X" >&5
# Check whether --with-x or --without-x was given.
if test "${with_x+set}" = set; then
@@ -4172,12 +4179,12 @@ if test "$ac_x_includes" = NO; then
# First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF
-#line 4176 "configure"
+#line 4185 "configure"
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4181: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4190: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -4246,14 +4253,14 @@ if test "$ac_x_libraries" = NO; then
ac_save_LIBS="$LIBS"
LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4250 "configure"
+#line 4259 "configure"
#include "confdefs.h"
int main() {
${x_direct_test_function}()
; return 0; }
EOF
-if { (eval echo configure:4257: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
LIBS="$ac_save_LIBS"
# We can link X programs with no special library path.
@@ -4367,7 +4374,7 @@ then
# Uses ac_ vars as temps to allow command line to override cache and checks.
# --without-x overrides everything else, but does not touch the cache.
echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:4371: checking for X" >&5
+echo "configure:4380: checking for X" >&5
# Check whether --with-x or --without-x was given.
if test "${with_x+set}" = set; then
@@ -4429,12 +4436,12 @@ if test "$ac_x_includes" = NO; then
# First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF
-#line 4433 "configure"
+#line 4442 "configure"
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4438: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4447: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -4503,14 +4510,14 @@ if test "$ac_x_libraries" = NO; then
ac_save_LIBS="$LIBS"
LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4507 "configure"
+#line 4516 "configure"
#include "confdefs.h"
int main() {
${x_direct_test_function}()
; return 0; }
EOF
-if { (eval echo configure:4514: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4523: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
LIBS="$ac_save_LIBS"
# We can link X programs with no special library path.
@@ -4600,12 +4607,12 @@ fi
if test "$no_x" = ""; then
if test "$x_includes" = ""; then
cat > conftest.$ac_ext <<EOF
-#line 4604 "configure"
+#line 4613 "configure"
#include "confdefs.h"
#include <X11/XIntrinsic.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4609: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4618: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -4625,15 +4632,15 @@ rm -f conftest*
fi
if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
echo $ac_n "checking for X11 header files""... $ac_c" 1>&6
-echo "configure:4629: checking for X11 header files" >&5
+echo "configure:4638: checking for X11 header files" >&5
XINCLUDES="# no special path needed"
cat > conftest.$ac_ext <<EOF
-#line 4632 "configure"
+#line 4641 "configure"
#include "confdefs.h"
#include <X11/Intrinsic.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4637: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4646: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -4669,7 +4676,7 @@ rm -f conftest*
if test "$no_x" = yes; then
echo $ac_n "checking for X11 libraries""... $ac_c" 1>&6
-echo "configure:4673: checking for X11 libraries" >&5
+echo "configure:4682: checking for X11 libraries" >&5
XLIBSW=nope
dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/lib/X11 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
for i in $dirs ; do
@@ -4689,7 +4696,7 @@ echo "configure:4673: checking for X11 libraries" >&5
fi
if test "$XLIBSW" = nope ; then
echo $ac_n "checking for XCreateWindow in -lXwindow""... $ac_c" 1>&6
-echo "configure:4693: checking for XCreateWindow in -lXwindow" >&5
+echo "configure:4702: checking for XCreateWindow in -lXwindow" >&5
ac_lib_var=`echo Xwindow'_'XCreateWindow | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -4697,7 +4704,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lXwindow $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4701 "configure"
+#line 4710 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -4708,7 +4715,7 @@ int main() {
XCreateWindow()
; return 0; }
EOF
-if { (eval echo configure:4712: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -4824,7 +4831,7 @@ fi
#--------------------------------------------------------------------
echo $ac_n "checking for main in -lXbsd""... $ac_c" 1>&6
-echo "configure:4828: checking for main in -lXbsd" >&5
+echo "configure:4837: checking for main in -lXbsd" >&5
ac_lib_var=`echo Xbsd'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -4832,14 +4839,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lXbsd $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4836 "configure"
+#line 4845 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:4843: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -4863,7 +4870,7 @@ fi
# CYGNUS LOCAL: Store any socket library(ies) in the cache, and don't
# mess up the cache values of the functions we check for.
echo $ac_n "checking for socket libraries""... $ac_c" 1>&6
-echo "configure:4867: checking for socket libraries" >&5
+echo "configure:4876: checking for socket libraries" >&5
if eval "test \"`echo '$''{'sim_cv_lib_sockets'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -4871,12 +4878,12 @@ else
sim_checkBoth=0
unset ac_cv_func_connect
echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:4875: checking for connect" >&5
+echo "configure:4884: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4880 "configure"
+#line 4889 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char connect(); below. */
@@ -4899,7 +4906,7 @@ connect();
; return 0; }
EOF
-if { (eval echo configure:4903: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4912: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_connect=yes"
else
@@ -4922,7 +4929,7 @@ fi
if test "$sim_checkSocket" = 1; then
unset ac_cv_func_connect
echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:4926: checking for main in -lsocket" >&5
+echo "configure:4935: checking for main in -lsocket" >&5
ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -4930,14 +4937,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lsocket $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4934 "configure"
+#line 4943 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:4941: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -4964,12 +4971,12 @@ fi
SOCKLIBSW="$SOCKLIBSW -lsocket -lnsl"
unset ac_cv_func_accept
echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:4968: checking for accept" >&5
+echo "configure:4977: checking for accept" >&5
if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4973 "configure"
+#line 4982 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char accept(); below. */
@@ -4992,7 +4999,7 @@ accept();
; return 0; }
EOF
-if { (eval echo configure:4996: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5005: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_accept=yes"
else
@@ -5019,12 +5026,12 @@ fi
sim_oldLibs=$SOCKLIBSW
SOCKLIBSW="$SOCKLIBSW $sim_cv_lib_sockets"
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:5023: checking for gethostbyname" >&5
+echo "configure:5032: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5028 "configure"
+#line 5037 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname(); below. */
@@ -5047,7 +5054,7 @@ gethostbyname();
; return 0; }
EOF
-if { (eval echo configure:5051: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_gethostbyname=yes"
else
@@ -5065,7 +5072,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:5069: checking for main in -lnsl" >&5
+echo "configure:5078: checking for main in -lnsl" >&5
ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -5073,14 +5080,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lnsl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 5077 "configure"
+#line 5086 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:5084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -5140,17 +5147,17 @@ for ac_hdr in string.h strings.h stdlib.h stdlib.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5144: checking for $ac_hdr" >&5
+echo "configure:5153: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5149 "configure"
+#line 5158 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5154: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5163: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -5177,7 +5184,7 @@ fi
done
echo $ac_n "checking for fabs in -lm""... $ac_c" 1>&6
-echo "configure:5181: checking for fabs in -lm" >&5
+echo "configure:5190: checking for fabs in -lm" >&5
ac_lib_var=`echo m'_'fabs | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -5185,7 +5192,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lm $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 5189 "configure"
+#line 5198 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -5196,7 +5203,7 @@ int main() {
fabs()
; return 0; }
EOF
-if { (eval echo configure:5200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5209: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -5226,12 +5233,12 @@ fi
for ac_func in aint anint sqrt
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5230: checking for $ac_func" >&5
+echo "configure:5239: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5235 "configure"
+#line 5244 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@@ -5254,7 +5261,7 @@ $ac_func();
; return 0; }
EOF
-if { (eval echo configure:5258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5267: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
diff --git a/sim/mips/configure.in b/sim/mips/configure.in
index 96ca26c..aab0af6 100644
--- a/sim/mips/configure.in
+++ b/sim/mips/configure.in
@@ -217,14 +217,12 @@ AC_SUBST(sim_gen)
#
hw_enabled=no
case "${target}" in
-# start-sanitize-tx3904
mips*tx39*)
hw_enabled=yes
hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio"
mips_extra_objs="dv-sockser.o"
SIM_SUBTARGET="$SIM_SUBTARGET -DTARGET_TX3904=1"
;;
-# end-sanitize-tx3904
# start-sanitize-sky
mips64r59*-sky-*)
mips_extra_objs='$(SIM_SKY_OBJS)'
diff --git a/sim/mips/interp.c b/sim/mips/interp.c
index 265c361..4a666d3 100644
--- a/sim/mips/interp.c
+++ b/sim/mips/interp.c
@@ -39,9 +39,7 @@ code on the hardware.
#include "sim-assert.h"
#include "sim-hw.h"
-#if WITH_IGEN
#include "itable.h"
-#endif
/* start-sanitize-sky */
#ifdef TARGET_SKY
@@ -89,13 +87,6 @@ char* pr_addr PARAMS ((SIM_ADDR addr));
char* pr_uword64 PARAMS ((uword64 addr));
-/* Get the simulator engine description, without including the code: */
-#if !(WITH_IGEN)
-#define SIM_MANIFESTS
-#include "oengine.c"
-#undef SIM_MANIFESTS
-#endif
-
/* Within interp.c we refer to the sim_state and sim_cpu directly. */
#define CPU cpu
#define SD sd
@@ -174,9 +165,7 @@ FILE *tracefh = NULL;
static void open_trace PARAMS((SIM_DESC sd));
#endif /* TRACE */
-#if WITH_IGEN
static const char * get_insn_name (sim_cpu *, int);
-#endif
/* simulation target board. NULL=canonical */
static char* board = NULL;
@@ -314,14 +303,12 @@ static const OPTION mips_options[] =
{ {"board", required_argument, NULL, OPTION_BOARD},
'\0', "none" /* rely on compile-time string concatenation for other options */
-/* start-sanitize-tx3904 */
#define BOARD_JMR3904 "jmr3904"
"|" BOARD_JMR3904
#define BOARD_JMR3904_PAL "jmr3904pal"
"|" BOARD_JMR3904_PAL
#define BOARD_JMR3904_DEBUG "jmr3904debug"
"|" BOARD_JMR3904_DEBUG
-/* end-sanitize-tx3904 */
, "Customize simulation for a particular board.", mips_option_handler },
@@ -377,11 +364,9 @@ sim_open (kind, cb, abfd, argv)
STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PC);
STATE_WATCHPOINTS (sd)->interrupt_handler = interrupt_event;
-#if WITH_IGEN
/* Initialize the mechanism for doing insn profiling. */
CPU_INSN_NAME (cpu) = get_insn_name;
CPU_MAX_INSNS (cpu) = nr_itable_entries;
-#endif
STATE = 0;
@@ -438,7 +423,6 @@ sim_open (kind, cb, abfd, argv)
device_init(sd);
}
- /* start-sanitize-tx3904 */
#if (WITH_HW)
if (board != NULL
&& (strcmp(board, BOARD_JMR3904) == 0 ||
@@ -446,6 +430,7 @@ sim_open (kind, cb, abfd, argv)
strcmp(board, BOARD_JMR3904_DEBUG) == 0))
{
/* match VIRTUAL memory layout of JMR-TX3904 board */
+ int i;
/* --- environment --- */
@@ -466,10 +451,14 @@ sim_open (kind, cb, abfd, argv)
0xA0000000);
/* DRAM: 0x8800_0000 - 0x89FF_FFFF and 0xA800_0000 - 0xA9FF_FFFF */
- sim_do_commandf (sd, "memory alias 0x%lx@1,0x%lx,0x%0x",
- 0x88000000,
- 32 * 1024 * 1024, /* 32 MB */
- 0xA8000000);
+ for (i=0; i<8; i++) /* 32 MB total */
+ {
+ unsigned size = 4 * 1024 * 1024; /* 4 MB */
+ sim_do_commandf (sd, "memory alias 0x%lx@1,0x%lx,0x%0x",
+ 0x88000000 + (i * size),
+ size,
+ 0xA8000000 + (i * size));
+ }
/* Dummy memory regions for unsimulated devices */
@@ -544,7 +533,6 @@ sim_open (kind, cb, abfd, argv)
device_init(sd);
}
#endif
- /* end-sanitize-tx3904 */
/* check for/establish the a reference program image */
@@ -756,14 +744,12 @@ open_trace(sd)
}
#endif /* TRACE */
-#if WITH_IGEN
/* Return name of an insn, used by insn profiling. */
static const char *
get_insn_name (sim_cpu *cpu, int i)
{
return itable[i].name;
}
-#endif
void
sim_close (sd, quitting)
@@ -780,9 +766,11 @@ sim_close (sd, quitting)
#endif
/* end-sanitize-sky */
-
/* "quitting" is non-zero if we cannot hang on errors */
+ /* shut down modules */
+ sim_module_uninstall (sd);
+
/* Ensure that any resources allocated through the callback
mechanism are released: */
sim_io_shutdown (sd);
@@ -1113,7 +1101,9 @@ sim_fetch_register (sd,rn,memory,length)
/* NOTE: gdb (the client) stores registers in target byte order
while the simulator uses host byte order */
#ifdef DEBUG
+#if 0 /* FIXME: doesn't compile */
sim_io_printf(sd,"sim_fetch_register(%d=0x%s,mem) : place simulator registers into memory\n",rn,pr_addr(registers[rn]));
+#endif
#endif /* DEBUG */
if (cpu->register_widths[rn] == 0)
@@ -1352,8 +1342,10 @@ sim_create_inferior (sd, abfd, argv,env)
{
#ifdef DEBUG
+#if 0 /* FIXME: doesn't compile */
printf("DBG: sim_create_inferior entered: start_address = 0x%s\n",
pr_addr(PC));
+#endif
#endif /* DEBUG */
ColdReset(sd);
@@ -1416,7 +1408,7 @@ fetch_str (SIM_DESC sd,
}
/* Simple monitor interface (currently setup for the IDT and PMON monitors) */
-static void
+void
sim_monitor (SIM_DESC sd,
sim_cpu *cpu,
address_word cia,
@@ -1692,7 +1684,9 @@ load_word (SIM_DESC sd,
uword64 vaddr)
{
if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad ();
+ {
+ SIM_CORE_SIGNAL (SD, cpu, cia, read_map, AccessLength_WORD+1, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
address_word paddr;
@@ -2199,6 +2193,11 @@ signal_exception (SIM_DESC sd,
/* Ensure that any active atomic read/modify/write operation will fail: */
LLBIT = 0;
+ /* Save registers before interrupt dispatching */
+#ifdef SIM_CPU_EXCEPTION_TRIGGER
+ SIM_CPU_EXCEPTION_TRIGGER(sd, cpu, cia);
+#endif
+
switch (exception) {
case DebugBreakPoint :
@@ -2343,23 +2342,25 @@ signal_exception (SIM_DESC sd,
case InstructionFetch:
case DataReference:
/* The following is so that the simulator will continue from the
- exception address on breakpoint operations. */
- PC = EPC;
- sim_engine_halt (SD, CPU, NULL, NULL_CIA,
+ exception handler address. */
+ sim_engine_halt (SD, CPU, NULL, PC,
sim_stopped, SIM_SIGBUS);
case ReservedInstruction:
case CoProcessorUnusable:
PC = EPC;
- sim_engine_halt (SD, CPU, NULL, NULL_CIA,
+ sim_engine_halt (SD, CPU, NULL, PC,
sim_stopped, SIM_SIGILL);
case IntegerOverflow:
case FPE:
- sim_engine_halt (SD, CPU, NULL, NULL_CIA,
+ sim_engine_halt (SD, CPU, NULL, PC,
sim_stopped, SIM_SIGFPE);
-
+
case BreakPoint:
+ sim_engine_halt (SD, CPU, NULL, PC, sim_stopped, SIM_SIGTRAP);
+ break;
+
case SystemCall:
case Trap:
sim_engine_restart (SD, CPU, NULL, PC);
@@ -2367,12 +2368,12 @@ signal_exception (SIM_DESC sd,
case Watch:
PC = EPC;
- sim_engine_halt (SD, CPU, NULL, NULL_CIA,
+ sim_engine_halt (SD, CPU, NULL, PC,
sim_stopped, SIM_SIGTRAP);
default : /* Unknown internal exception */
PC = EPC;
- sim_engine_halt (SD, CPU, NULL, NULL_CIA,
+ sim_engine_halt (SD, CPU, NULL, PC,
sim_stopped, SIM_SIGABRT);
}
@@ -2473,10 +2474,8 @@ undefined_result(sd,cia)
#define FPINF_SINGLE (0x7F800000)
#define FPINF_DOUBLE (((uword64)0x7FF00000 << 32) | 0x00000000)
-#if 1 /* def DEBUG */
#define RMMODE(v) (((v) == FP_RM_NEAREST) ? "Round" : (((v) == FP_RM_TOZERO) ? "Trunc" : (((v) == FP_RM_TOPINF) ? "Ceil" : "Floor")))
-#define DOFMT(v) (((v) == fmt_single) ? "single" : (((v) == fmt_double) ? "double" : (((v) == fmt_word) ? "word" : (((v) == fmt_long) ? "long" : (((v) == fmt_unknown) ? "<unknown>" : (((v) == fmt_uninterpreted) ? "<uninterpreted>" : "<format error>"))))))
-#endif /* DEBUG */
+#define DOFMT(v) (((v) == fmt_single) ? "single" : (((v) == fmt_double) ? "double" : (((v) == fmt_word) ? "word" : (((v) == fmt_long) ? "long" : (((v) == fmt_unknown) ? "<unknown>" : (((v) == fmt_uninterpreted) ? "<uninterpreted>" : (((v) == fmt_uninterpreted_32) ? "<uninterpreted_32>" : (((v) == fmt_uninterpreted_64) ? "<uninterpreted_64>" : "<format error>"))))))))
uword64
value_fpr (SIM_DESC sd,
@@ -2561,6 +2560,11 @@ value_fpr (SIM_DESC sd,
case fmt_double:
case fmt_long:
if ((fpr & 1) == 0) { /* even registers only */
+#ifdef DEBUG
+ printf("DBG: ValueFPR: FGR[%d] = %s, FGR[%d] = %s\n",
+ fpr+1, pr_uword64( (uword64) FGR[fpr+1] ),
+ fpr, pr_uword64( (uword64) FGR[fpr] ));
+#endif
value = ((((uword64)FGR[fpr+1]) << 32) | (FGR[fpr] & 0xFFFFFFFF));
} else {
SignalException(ReservedInstruction,0);
@@ -2577,7 +2581,7 @@ value_fpr (SIM_DESC sd,
SignalExceptionSimulatorFault ("Unrecognised FP format in ValueFPR()");
#ifdef DEBUG
- printf("DBG: ValueFPR: fpr = %d, fmt = %s, value = 0x%s : PC = 0x%s : SizeFGR() = %d\n",fpr,DOFMT(fmt),pr_addr(value),pr_addr(cia),SizeFGR());
+ printf("DBG: ValueFPR: fpr = %d, fmt = %s, value = 0x%s : PC = 0x%s : SizeFGR() = %d\n",fpr,DOFMT(fmt),pr_uword64(value),pr_addr(cia),SizeFGR());
#endif /* DEBUG */
return(value);
@@ -2594,7 +2598,7 @@ store_fpr (SIM_DESC sd,
int err = 0;
#ifdef DEBUG
- printf("DBG: StoreFPR: fpr = %d, fmt = %s, value = 0x%s : PC = 0x%s : SizeFGR() = %d\n",fpr,DOFMT(fmt),pr_addr(value),pr_addr(cia),SizeFGR());
+ printf("DBG: StoreFPR: fpr = %d, fmt = %s, value = 0x%s : PC = 0x%s : SizeFGR() = %d,\n",fpr,DOFMT(fmt),pr_uword64(value),pr_addr(cia),SizeFGR());
#endif /* DEBUG */
if (SizeFGR() == 64) {
@@ -2663,7 +2667,7 @@ store_fpr (SIM_DESC sd,
SignalExceptionSimulatorFault ("Unrecognised FP format in StoreFPR()");
#ifdef DEBUG
- printf("DBG: StoreFPR: fpr[%d] = 0x%s (format %s)\n",fpr,pr_addr(FGR[fpr]),DOFMT(fmt));
+ printf("DBG: StoreFPR: fpr[%d] = 0x%s (format %s)\n",fpr,pr_uword64(FGR[fpr]),DOFMT(fmt));
#endif /* DEBUG */
return;
@@ -3391,7 +3395,9 @@ convert (SIM_DESC sd,
unsigned64 result64;
#ifdef DEBUG
+#if 0 /* FIXME: doesn't compile */
printf("DBG: Convert: mode %s : op 0x%s : from %s : to %s : (PC = 0x%s)\n",RMMODE(rm),pr_addr(op),DOFMT(from),DOFMT(to),pr_addr(IPC));
+#endif
#endif /* DEBUG */
switch (rm)
@@ -3530,6 +3536,11 @@ cop_ld (SIM_DESC sd,
int coproc_reg,
uword64 memword)
{
+
+#ifdef DEBUG
+ printf("DBG: COP_LD: coproc_num = %d, coproc_reg = %d, value = 0x%s : PC = 0x%s\n", coproc_num, coproc_reg, pr_uword64(memword), pr_addr(cia) );
+#endif
+
switch (coproc_num) {
case 1:
if (CURRENT_FLOATING_POINT == HARD_FLOATING_POINT)
@@ -3743,14 +3754,22 @@ decode_coproc (SIM_DESC sd,
/* 12 = SR R4000 VR4100 VR4300 */
#ifdef SUBTARGET_R3900
case 3:
- /* ignore */
- break;
/* 3 = Config R3900 */
-
case 7:
+ /* 7 = Cache R3900 */
+ case 15:
+ /* 15 = PRID R3900 */
+
/* ignore */
break;
- /* 3 = Cache R3900 */
+
+ case 8:
+ /* 8 = BadVAddr R4000 VR4100 VR4300 */
+ if (code == 0x00)
+ GPR[rt] = COP0_BADVADDR;
+ else
+ COP0_BADVADDR = GPR[rt];
+ break;
#endif /* SUBTARGET_R3900 */
case 12:
@@ -3819,9 +3838,9 @@ decode_coproc (SIM_DESC sd,
COP0_GPR[rd] = GPR[rt];
#if 0
if (code == 0x00)
- sim_io_printf(sd,"Warning: MFC0 %d,%d ignored (architecture specific)\n",rt,rd);
+ sim_io_printf(sd,"Warning: MFC0 %d,%d ignored, PC=%08x (architecture specific)\n",rt,rd, (unsigned)cia);
else
- sim_io_printf(sd,"Warning: MTC0 %d,%d ignored (architecture specific)\n",rt,rd);
+ sim_io_printf(sd,"Warning: MTC0 %d,%d ignored, PC=%08x (architecture specific)\n",rt,rd, (unsigned)cia);
#endif
}
}
@@ -4084,215 +4103,6 @@ decode_coproc (SIM_DESC sd,
}
-/*-- instruction simulation -------------------------------------------------*/
-
-/* When the IGEN simulator is being built, the function below is be
- replaced by a generated version. However, WITH_IGEN == 2 indicates
- that the fubction below should be compiled but under a different
- name (to allow backward compatibility) */
-
-#if (WITH_IGEN != 1)
-#if (WITH_IGEN > 1)
-void old_engine_run PARAMS ((SIM_DESC sd, int next_cpu_nr, int siggnal));
-void
-old_engine_run (sd, next_cpu_nr, nr_cpus, siggnal)
-#else
-void
-sim_engine_run (sd, next_cpu_nr, nr_cpus, siggnal)
-#endif
- SIM_DESC sd;
- int next_cpu_nr; /* ignore */
- int nr_cpus; /* ignore */
- int siggnal; /* ignore */
-{
- sim_cpu *cpu = STATE_CPU (sd, 0); /* hardwire to cpu 0 */
-#if !defined(FASTSIM)
- unsigned int pipeline_count = 1;
-#endif
-
-#ifdef DEBUG
- if (STATE_MEMORY (sd) == NULL) {
- printf("DBG: simulate() entered with no memory\n");
- exit(1);
- }
-#endif /* DEBUG */
-
-#if 0 /* Disabled to check that everything works OK */
- /* The VR4300 seems to sign-extend the PC on its first
- access. However, this may just be because it is currently
- configured in 32bit mode. However... */
- PC = SIGNEXTEND(PC,32);
-#endif
-
- /* main controlling loop */
- while (1) {
- /* vaddr is slowly being replaced with cia - current instruction
- address */
- address_word cia = (uword64)PC;
- address_word vaddr = cia;
- address_word paddr;
- int cca;
- unsigned int instruction; /* uword64? what's this used for? FIXME! */
-
-#ifdef DEBUG
- {
- printf("DBG: state = 0x%08X :",state);
- if (state & simHALTEX) printf(" simHALTEX");
- if (state & simHALTIN) printf(" simHALTIN");
- printf("\n");
- }
-#endif /* DEBUG */
-
- DSSTATE = (STATE & simDELAYSLOT);
-#ifdef DEBUG
- if (dsstate)
- sim_io_printf(sd,"DBG: DSPC = 0x%s\n",pr_addr(DSPC));
-#endif /* DEBUG */
-
- /* Fetch the next instruction from the simulator memory: */
- if (AddressTranslation(cia,isINSTRUCTION,isLOAD,&paddr,&cca,isTARGET,isREAL)) {
- if ((vaddr & 1) == 0) {
- /* Copy the action of the LW instruction */
- unsigned int reverse = (ReverseEndian ? (LOADDRMASK >> 2) : 0);
- unsigned int bigend = (BigEndianCPU ? (LOADDRMASK >> 2) : 0);
- uword64 value;
- unsigned int byte;
- paddr = ((paddr & ~LOADDRMASK) | ((paddr & LOADDRMASK) ^ (reverse << 2)));
- LoadMemory(&value,NULL,cca,AccessLength_WORD,paddr,vaddr,isINSTRUCTION,isREAL);
- byte = ((vaddr & LOADDRMASK) ^ (bigend << 2));
- instruction = ((value >> (8 * byte)) & 0xFFFFFFFF);
- } else {
- /* Copy the action of the LH instruction */
- unsigned int reverse = (ReverseEndian ? (LOADDRMASK >> 1) : 0);
- unsigned int bigend = (BigEndianCPU ? (LOADDRMASK >> 1) : 0);
- uword64 value;
- unsigned int byte;
- paddr = (((paddr & ~ (uword64) 1) & ~LOADDRMASK)
- | (((paddr & ~ (uword64) 1) & LOADDRMASK) ^ (reverse << 1)));
- LoadMemory(&value,NULL,cca, AccessLength_HALFWORD,
- paddr & ~ (uword64) 1,
- vaddr, isINSTRUCTION, isREAL);
- byte = (((vaddr &~ (uword64) 1) & LOADDRMASK) ^ (bigend << 1));
- instruction = ((value >> (8 * byte)) & 0xFFFF);
- }
- } else {
- fprintf(stderr,"Cannot translate address for PC = 0x%s failed\n",pr_addr(PC));
- exit(1);
- }
-
-#ifdef DEBUG
- sim_io_printf(sd,"DBG: fetched 0x%08X from PC = 0x%s\n",instruction,pr_addr(PC));
-#endif /* DEBUG */
-
- /* This is required by exception processing, to ensure that we can
- cope with exceptions in the delay slots of branches that may
- already have changed the PC. */
- if ((vaddr & 1) == 0)
- PC += 4; /* increment ready for the next fetch */
- else
- PC += 2;
- /* NOTE: If we perform a delay slot change to the PC, this
- increment is not requuired. However, it would make the
- simulator more complicated to try and avoid this small hit. */
-
- /* Currently this code provides a simple model. For more
- complicated models we could perform exception status checks at
- this point, and set the simSTOP state as required. This could
- also include processing any hardware interrupts raised by any
- I/O model attached to the simulator context.
-
- Support for "asynchronous" I/O events within the simulated world
- could be providing by managing a counter, and calling a I/O
- specific handler when a particular threshold is reached. On most
- architectures a decrement and check for zero operation is
- usually quicker than an increment and compare. However, the
- process of managing a known value decrement to zero, is higher
- than the cost of using an explicit value UINT_MAX into the
- future. Which system is used will depend on how complicated the
- I/O model is, and how much it is likely to affect the simulator
- bandwidth.
-
- If events need to be scheduled further in the future than
- UINT_MAX event ticks, then the I/O model should just provide its
- own counter, triggered from the event system. */
-
- /* MIPS pipeline ticks. To allow for future support where the
- pipeline hit of individual instructions is known, this control
- loop manages a "pipeline_count" variable. It is initialised to
- 1 (one), and will only be changed by the simulator engine when
- executing an instruction. If the engine does not have access to
- pipeline cycle count information then all instructions will be
- treated as using a single cycle. NOTE: A standard system is not
- provided by the default simulator because different MIPS
- architectures have different cycle counts for the same
- instructions.
-
- [NOTE: pipeline_count has been replaced the event queue] */
-
- /* shuffle the floating point status pipeline state */
- ENGINE_ISSUE_PREFIX_HOOK();
-
-/* NOTE: For multi-context simulation environments the "instruction"
- variable should be local to this routine. */
-
-/* Shorthand accesses for engine. Note: If we wanted to use global
- variables (and a single-threaded simulator engine), then we can
- create the actual variables with these names. */
-
- if (!(STATE & simSKIPNEXT)) {
- /* Include the simulator engine */
-#include "oengine.c"
-#if ((GPRLEN == 64) && !PROCESSOR_64BIT) || ((GPRLEN == 32) && PROCESSOR_64BIT)
-#error "Mismatch between run-time simulator code and simulation engine"
-#endif
-#if (WITH_TARGET_WORD_BITSIZE != GPRLEN)
-#error "Mismatch between configure WITH_TARGET_WORD_BITSIZE and gencode GPRLEN"
-#endif
-#if ((WITH_FLOATING_POINT == HARD_FLOATING_POINT) != defined (HASFPU))
-#error "Mismatch between configure WITH_FLOATING_POINT and gencode HASFPU"
-#endif
-
- /* For certain MIPS architectures, GPR[0] is hardwired to zero. We
- should check for it being changed. It is better doing it here,
- than within the simulator, since it will help keep the simulator
- small. */
- if (ZERO != 0) {
-#if defined(WARN_ZERO)
- sim_io_eprintf(sd,"The ZERO register has been updated with 0x%s (PC = 0x%s) (reset back to zero)\n",pr_addr(ZERO),pr_addr(cia));
-#endif /* WARN_ZERO */
- ZERO = 0; /* reset back to zero before next instruction */
- }
- } else /* simSKIPNEXT check */
- STATE &= ~simSKIPNEXT;
-
- /* If the delay slot was active before the instruction is
- executed, then update the PC to its new value: */
- if (DSSTATE) {
-#ifdef DEBUG
- printf("DBG: dsstate set before instruction execution - updating PC to 0x%s\n",pr_addr(DSPC));
-#endif /* DEBUG */
- PC = DSPC;
- CANCELDELAYSLOT();
- }
-
-#if !defined(FASTSIM)
- if (sim_events_tickn (sd, pipeline_count))
- {
- /* cpu->cia = cia; */
- sim_events_process (sd);
- }
-#else
- if (sim_events_tick (sd))
- {
- /* cpu->cia = cia; */
- sim_events_process (sd);
- }
-#endif /* FASTSIM */
- }
-}
-#endif
-
-
/* This code copied from gdb's utils.c. Would like to share this code,
but don't know of a common place where both could get to it. */
@@ -4347,6 +4157,101 @@ pr_uword64(addr)
}
+void
+mips_core_signal (SIM_DESC sd,
+ sim_cpu *cpu,
+ sim_cia cia,
+ unsigned map,
+ int nr_bytes,
+ address_word addr,
+ transfer_type transfer,
+ sim_core_signals sig)
+{
+ const char *copy = (transfer == read_transfer ? "read" : "write");
+ address_word ip = CIA_ADDR (cia);
+
+ switch (sig)
+ {
+ case sim_core_unmapped_signal:
+ sim_io_eprintf (sd, "mips-core: %d byte %s to unmapped address 0x%lx at 0x%lx\n",
+ nr_bytes, copy,
+ (unsigned long) addr, (unsigned long) ip);
+ COP0_BADVADDR = addr;
+ SignalExceptionDataReference();
+ break;
+
+ case sim_core_unaligned_signal:
+ sim_io_eprintf (sd, "mips-core: %d byte %s to unaligned address 0x%lx at 0x%lx\n",
+ nr_bytes, copy,
+ (unsigned long) addr, (unsigned long) ip);
+ COP0_BADVADDR = addr;
+ if(transfer == read_transfer)
+ SignalExceptionAddressLoad();
+ else
+ SignalExceptionAddressStore();
+ break;
+
+ default:
+ sim_engine_abort (sd, cpu, cia,
+ "mips_core_signal - internal error - bad switch");
+ }
+}
+
+
+void
+mips_cpu_exception_trigger(SIM_DESC sd, sim_cpu* cpu, address_word cia)
+{
+ ASSERT(cpu != NULL);
+
+ if(cpu->exc_suspended > 0)
+ sim_io_eprintf(sd, "Warning, nested exception triggered (%d)\n", cpu->exc_suspended);
+
+ PC = cia;
+ memcpy(cpu->exc_trigger_registers, cpu->registers, sizeof(cpu->exc_trigger_registers));
+ cpu->exc_suspended = 0;
+}
+
+void
+mips_cpu_exception_suspend(SIM_DESC sd, sim_cpu* cpu, int exception)
+{
+ ASSERT(cpu != NULL);
+
+ if(cpu->exc_suspended > 0)
+ sim_io_eprintf(sd, "Warning, nested exception signal (%d then %d)\n",
+ cpu->exc_suspended, exception);
+
+ memcpy(cpu->exc_suspend_registers, cpu->registers, sizeof(cpu->exc_suspend_registers));
+ memcpy(cpu->registers, cpu->exc_trigger_registers, sizeof(cpu->registers));
+ cpu->exc_suspended = exception;
+}
+
+void
+mips_cpu_exception_resume(SIM_DESC sd, sim_cpu* cpu, int exception)
+{
+ ASSERT(cpu != NULL);
+
+ if(exception == 0 && cpu->exc_suspended > 0)
+ {
+ /* warn not for breakpoints */
+ if(cpu->exc_suspended != sim_signal_to_host(sd, SIM_SIGTRAP))
+ sim_io_eprintf(sd, "Warning, resuming but ignoring pending exception signal (%d)\n",
+ cpu->exc_suspended);
+ }
+ else if(exception != 0 && cpu->exc_suspended > 0)
+ {
+ if(exception != cpu->exc_suspended)
+ sim_io_eprintf(sd, "Warning, resuming with unmatching exception signal (%d vs %d)\n",
+ cpu->exc_suspended, exception);
+
+ memcpy(cpu->registers, cpu->exc_suspend_registers, sizeof(cpu->registers));
+ }
+ else if(exception != 0 && cpu->exc_suspended == 0)
+ {
+ sim_io_eprintf(sd, "Warning, ignoring spontanous exception signal (%d)\n", exception);
+ }
+ cpu->exc_suspended = 0;
+}
+
/*---------------------------------------------------------------------------*/
/*> EOF interp.c <*/
diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen
index ba02a9b..c457c73 100644
--- a/sim/mips/mips.igen
+++ b/sim/mips/mips.igen
@@ -1288,7 +1288,7 @@
-:function:64::void:do_daddiu:int rs, int rt, unsigned16 immediate
+:function:::void:do_daddiu:int rs, int rt, unsigned16 immediate
{
TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
GPR[rt] = GPR[rs] + EXTEND16 (immediate);
@@ -1356,28 +1356,32 @@
-:function:64::void:do_ddiv:int rs, int rt
+:function:::void:do_ddiv:int rs, int rt
{
check_div_hilo (SD_, HIHISTORY, LOHISTORY);
TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
signed64 n = GPR[rs];
signed64 d = GPR[rt];
+ signed64 hi;
+ signed64 lo;
if (d == 0)
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else if (d == -1 && n == SIGNED64 (0x8000000000000000))
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else
{
- LO = (n / d);
- HI = (n % d);
+ lo = (n / d);
+ hi = (n % d);
}
+ HI = hi;
+ LO = lo;
}
TRACE_ALU_RESULT2 (HI, LO);
}
@@ -1409,23 +1413,27 @@
-:function:64::void:do_ddivu:int rs, int rt
+:function:::void:do_ddivu:int rs, int rt
{
check_div_hilo (SD_, HIHISTORY, LOHISTORY);
TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
unsigned64 n = GPR[rs];
unsigned64 d = GPR[rt];
+ unsigned64 hi;
+ unsigned64 lo;
if (d == 0)
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else
{
- LO = (n / d);
- HI = (n % d);
+ lo = (n / d);
+ hi = (n % d);
}
+ HI = hi;
+ LO = lo;
}
TRACE_ALU_RESULT2 (HI, LO);
}
@@ -1683,6 +1691,16 @@
do_dmultu (SD_, RS, RT, RD);
}
+:function:::void:do_dsll:int rt, int rd, int shift
+{
+ GPR[rd] = GPR[rt] << shift;
+}
+
+:function:::void:do_dsllv:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ GPR[rd] = GPR[rt] << s;
+}
00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
@@ -1707,8 +1725,7 @@
*tx19:
// end-sanitize-tx19
{
- int s = SHIFT;
- GPR[RD] = GPR[RT] << s;
+ do_dsll (SD_, RT, RD, SHIFT);
}
@@ -1738,8 +1755,6 @@
GPR[RD] = GPR[RT] << s;
}
-
-
000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV
"dsllv r<RD>, r<RT>, r<RS>"
*mipsIII:
@@ -1762,10 +1777,13 @@
*tx19:
// end-sanitize-tx19
{
- int s = MASKED64 (GPR[RS], 5, 0);
- GPR[RD] = GPR[RT] << s;
+ do_dsllv (SD_, RS, RT, RD);
}
+:function:::void:do_dsra:int rt, int rd, int shift
+{
+ GPR[rd] = ((signed64) GPR[rt]) >> shift;
+}
00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
@@ -1790,8 +1808,7 @@
*tx19:
// end-sanitize-tx19
{
- int s = SHIFT;
- GPR[RD] = ((signed64) GPR[RT]) >> s;
+ do_dsra (SD_, RT, RD, SHIFT);
}
@@ -1855,6 +1872,11 @@
do_dsrav (SD_, RS, RT, RD);
}
+:function:::void:do_dsrl:int rt, int rd, int shift
+{
+ GPR[rd] = (unsigned64) GPR[rt] >> shift;
+}
+
00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
"dsrl r<RD>, r<RT>, <SHIFT>"
@@ -1878,8 +1900,7 @@
*tx19:
// end-sanitize-tx19
{
- int s = SHIFT;
- GPR[RD] = (unsigned64) GPR[RT] >> s;
+ do_dsrl (SD_, RT, RD, SHIFT);
}
@@ -1910,6 +1931,14 @@
}
+:function:::void:do_dsrlv:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ GPR[rd] = (unsigned64) GPR[rt] >> s;
+}
+
+
+
000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV
"dsrl32 r<RD>, r<RT>, r<RS>"
*mipsIII:
@@ -1932,8 +1961,7 @@
*tx19:
// end-sanitize-tx19
{
- int s = MASKED64 (GPR[RS], 5, 0);
- GPR[RD] = (unsigned64) GPR[RT] >> s;
+ do_dsrlv (SD_, RS, RT, RD);
}
@@ -2060,7 +2088,6 @@
DELAY_SLOT (region | (INSTR_INDEX << 2));
}
-
000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR
"jalr r<RS>":RD == 31
"jalr r<RD>, r<RS>"
@@ -2129,7 +2156,9 @@
vaddr = base + offset;
if ((vaddr & access) != 0)
- SignalExceptionAddressLoad ();
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
LoadMemory (&memval, NULL, uncached, access, paddr, vaddr, isDATA, isREAL);
@@ -2379,7 +2408,9 @@
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
@@ -2433,7 +2464,9 @@
address_word paddr;
int uncached;
if ((vaddr & 7) != 0)
- SignalExceptionAddressLoad();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
@@ -3098,7 +3131,9 @@
vaddr = base + offset;
if ((vaddr & access) != 0)
- SignalExceptionAddressStore ();
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
byte = ((vaddr & mask) ^ bigendiancpu);
@@ -3165,7 +3200,9 @@
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -3219,7 +3256,9 @@
address_word paddr;
int uncached;
if ((vaddr & 7) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -4544,13 +4583,6 @@
010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a
"bc1%s<TF>%s<ND> <OFFSET>"
*mipsI,mipsII,mipsIII:
-*vr4100:
-// start-sanitize-vr4xxx
-*vr4121:
-// end-sanitize-vr4xxx
-// start-sanitize-vr4320
-*vr4320:
-// end-sanitize-vr4320
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
@@ -4575,11 +4607,23 @@
}
}
+// start-sanitize-vr4xxx
+// FIXME: vr4100,vr4320, and 4121 all should be in the
+// previous insn, but the renameing thing wasn't working
+// so I cheated -gavin
+// end-sanitize-vr4xxx
010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1b
"bc1%s<TF>%s<ND> <OFFSET>":CC == 0
"bc1%s<TF>%s<ND> <CC>, <OFFSET>"
*mipsIV:
*vr5000:
+#*vr4100:
+// start-sanitize-vr4320
+//*vr4320:
+// end-sanitize-vr4320
+// start-sanitize-vr4xxx
+*vr4121:
+// end-sanitize-vr4xxx
// start-sanitize-cygnus
*vr5400:
// end-sanitize-cygnus
@@ -4751,7 +4795,7 @@
// CFC1
// CTC1
-010001,00,X,10,5.RT,5.FS,00000000000:COP1S:32::CxC1
+010001,00,X,10,5.RT,5.FS,00000000000:COP1Sa:32::CxC1
"c%s<X>c1 r<RT>, f<FS>"
*mipsI:
*mipsII:
@@ -4775,7 +4819,7 @@
/* else NOP */
}
}
-010001,00,X,10,5.RT,5.FS,00000000000:COP1S:32::CxC1
+010001,00,X,10,5.RT,5.FS,00000000000:COP1Sb:32::CxC1
"c%s<X>c1 r<RT>, f<FS>"
*mipsIV:
*vr4100:
@@ -5003,7 +5047,7 @@
// DMFC1
// DMTC1
-010001,00,X,01,5.RT,5.FS,00000000000:COP1S:64::DMxC1
+010001,00,X,01,5.RT,5.FS,00000000000:COP1Sa:64::DMxC1
"dm%s<X>c1 r<RT>, f<FS>"
*mipsIII:
{
@@ -5027,7 +5071,7 @@
PENDING_FILL(RT,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
}
}
-010001,00,X,01,5.RT,5.FS,00000000000:COP1S:64::DMxC1
+010001,00,X,01,5.RT,5.FS,00000000000:COP1Sb:64::DMxC1
"dm%s<X>c1 r<RT>, f<FS>"
*mipsIV:
*vr4100:
@@ -5273,7 +5317,7 @@
// MFC1
// MTC1
-010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
+010001,00,X,00,5.RT,5.FS,00000000000:COP1Sa:32::MxC1
"m%s<X>c1 r<RT>, f<FS>"
*mipsI:
*mipsII:
@@ -5289,7 +5333,7 @@
else /*MFC1*/
PENDING_FILL (RT, SIGNEXTEND(FGR[FS],32));
}
-010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
+010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32::MxC1
"m%s<X>c1 r<RT>, f<FS>"
*mipsIV:
*vr4100:
@@ -5942,7 +5986,9 @@
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
@@ -5983,7 +6029,9 @@
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
diff --git a/sim/mips/sim-main.h b/sim/mips/sim-main.h
index b9af271..7e1b894 100644
--- a/sim/mips/sim-main.h
+++ b/sim/mips/sim-main.h
@@ -32,6 +32,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define WITH_WATCHPOINTS 1
#define WITH_MODULO_MEMORY 1
+
+#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
+mips_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER), (ERROR))
+
#include "sim-basics.h"
typedef address_word sim_cia;
@@ -124,11 +128,13 @@ convert (SD, CPU, cia, rm, op, from, to)
instruction: */
#define PREVCOC1() ((STATE & simPCOC1) ? 1 : 0)
-#if 1
-#define SizeFGR() (WITH_TARGET_FLOATING_POINT_BITSIZE)
+#ifdef TARGET_ENABLE_FR
+/* FIXME: this should be enabled for all targets, but needs testing first. */
+#define SizeFGR() (((WITH_TARGET_FLOATING_POINT_BITSIZE) == 64) \
+ ? ((SR & status_FR) ? 64 : 32) \
+ : (WITH_TARGET_FLOATING_POINT_BITSIZE))
#else
-/* They depend on the CPU being simulated */
-#define SizeFGR() ((WITH_TARGET_WORD_BITSIZE == 64 && ((SR & status_FR) == 1)) ? 64 : 32)
+#define SizeFGR() (WITH_TARGET_FLOATING_POINT_BITSIZE)
#endif
/* Standard FCRS bits: */
@@ -608,6 +614,7 @@ enum float_operation
manifests to access the correct slot. */
unsigned_word registers[LAST_EMBED_REGNUM + 1];
+
int register_widths[NUM_REGS];
#define REGISTERS ((CPU)->registers)
@@ -640,6 +647,16 @@ enum float_operation
#define EPC (REGISTERS[88])
#define COCIDX (LAST_EMBED_REGNUM + 2) /* special case : outside the normal range */
+ /* All internal state modified by signal_exception() that may need to be
+ rolled back for passing moment-of-exception image back to gdb. */
+ unsigned_word exc_trigger_registers[LAST_EMBED_REGNUM + 1];
+ unsigned_word exc_suspend_registers[LAST_EMBED_REGNUM + 1];
+ int exc_suspended;
+
+#define SIM_CPU_EXCEPTION_TRIGGER(SD,CPU,CIA) mips_cpu_exception_trigger(SD,CPU,CIA)
+#define SIM_CPU_EXCEPTION_SUSPEND(SD,CPU,EXC) mips_cpu_exception_suspend(SD,CPU,EXC)
+#define SIM_CPU_EXCEPTION_RESUME(SD,CPU,EXC) mips_cpu_exception_resume(SD,CPU,EXC)
+
unsigned_word c0_config_reg;
#define C0_CONFIG ((CPU)->c0_config_reg)
@@ -679,7 +696,9 @@ enum float_operation
#define COP0_CONTEXT ((unsigned32)(COP0_GPR[4]))
#define COP0_PAGEMASK ((unsigned32)(COP0_GPR[5]))
#define COP0_WIRED ((unsigned32)(COP0_GPR[6]))
+ /* end-sanitize-r5900 */
#define COP0_BADVADDR ((unsigned32)(COP0_GPR[8]))
+ /* start-sanitize-r5900 */
#define COP0_COUNT ((unsigned32)(COP0_GPR[9]))
#define COP0_ENTRYHI ((unsigned32)(COP0_GPR[10]))
#define COP0_COMPARE ((unsigned32)(COP0_GPR[11]))
@@ -995,6 +1014,7 @@ void signal_exception (SIM_DESC sd, sim_cpu *cpu, address_word cia, int exceptio
#define SignalExceptionInstructionFetch() signal_exception (SD, CPU, cia, InstructionFetch)
#define SignalExceptionAddressStore() signal_exception (SD, CPU, cia, AddressStore)
#define SignalExceptionAddressLoad() signal_exception (SD, CPU, cia, AddressLoad)
+#define SignalExceptionDataReference() signal_exception (SD, CPU, cia, DataReference)
#define SignalExceptionSimulatorFault(buf) signal_exception (SD, CPU, cia, SimulatorFault, buf)
#define SignalExceptionFPE() signal_exception (SD, CPU, cia, FPE)
#define SignalExceptionIntegerOverflow() signal_exception (SD, CPU, cia, IntegerOverflow)
@@ -1116,6 +1136,7 @@ void dotrace PARAMS ((SIM_DESC sd, sim_cpu *cpu, FILE *tracefh, int type, SIM_AD
extern FILE *tracefh;
INLINE_SIM_MAIN (void) pending_tick PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia));
+extern SIM_CORE_SIGNAL_FN mips_core_signal;
char* pr_addr PARAMS ((SIM_ADDR addr));
char* pr_uword64 PARAMS ((uword64 addr));
@@ -1176,6 +1197,11 @@ enum txvu_cpu_context
#endif /* TARGET_SKY */
/* end-sanitize-sky */
+void mips_cpu_exception_trigger(SIM_DESC sd, sim_cpu* cpu, address_word pc);
+void mips_cpu_exception_suspend(SIM_DESC sd, sim_cpu* cpu, int exception);
+void mips_cpu_exception_resume(SIM_DESC sd, sim_cpu* cpu, int exception);
+
+
#if H_REVEALS_MODULE_P (SIM_MAIN_INLINE)
#include "sim-main.c"
#endif
generated by cgit v1.1 at 2024-12-15 19:13:27 +0000