riscv
/
binutils-gdb
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Add support for configuring the size of the floating point unit (fp_word). 

For mips, move fp_registers into a separate array of type fp_word[].
gdb-4_18-branch
Andrew Cagney 29 years ago
parent
2acd126a47
commit
a97f304b04
5 changed files with 97 additions and 19 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 12
      sim/common/ChangeLog
  2. 21
      sim/mips/ChangeLog
  3. 33
      sim/mips/configure
  4. 46
      sim/mips/interp.c
  5. 4
      sim/tic80/ChangeLog

12
sim/common/ChangeLog
View File

@ -1,3 +1,15 @@
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sun Feb 1 16:16:57 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-types.h (fp_word): New type, define according to
WITH_TARGET_FLOATING_POINT_BITSIZE.
* aclocal.m4 (default_sim_floating_point_bitsize): Add
configuration of size of floating point registers.
Sun Feb 1 14:02:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-profile.c (profile_print): Only print CPU <N> if other

21
sim/mips/ChangeLog
View File

@ -1,3 +1,24 @@
Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-main.h (SizeFGR): Determine from floating-point and not gpr
bitsize.
* interp.c (sim_fetch_register, sim_store_register): Read/write
FGR from correct location.
(sim_open): Set size of FGR's according to
WITH_TARGET_FLOATING_POINT_BITSIZE.
* sim-main.h (FGR): Store floating point registers in a separate
array.
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
start-sanitize-vr5400
* mdmx.igen: Mark all instructions as 64bit/fp specific.
end-sanitize-vr5400
Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (ColdReset): Call PENDING_INVALIDATE.

33
sim/mips/configure
View File

@ -1806,20 +1806,31 @@ case "${target}" in
*) mips_fpu=HARD_FLOATING_POINT ;;
esac
default_sim_floating_point="$mips_fpu"
default_sim_float="$mips_fpu"
default_sim_float_bitsize=""
# Check whether --enable-sim-float or --disable-sim-float was given.
if test "${enable_sim_float+set}" = set; then
enableval="$enable_sim_float"
case "${enableval}" in
yes | hard) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
no | soft) sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
32) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";;
64) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";;
*) { echo "configure: error: "Unknown value $enableval passed to --enable-sim-float"" 1>&2; exit 1; }; sim_float="";;
esac
if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
echo "Setting float flags = $sim_float" 6>&1
fi
else
sim_float="-DWITH_FLOATING_POINT=${default_sim_floating_point}"
sim_float=
if test x"${default_sim_float}" != x""; then
sim_float="-DWITH_FLOATING_POINT=${default_sim_float}"
fi
if test x"${default_sim_float_bitsize}" != x""; then
sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}"
fi
fi
@ -1931,17 +1942,17 @@ for ac_hdr in string.h strings.h stdlib.h stdlib.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1935: checking for $ac_hdr" >&5
echo "configure:1946: 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 1940 "configure"
#line 1951 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1945: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1956: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
@ -1968,7 +1979,7 @@ fi
done
echo $ac_n "checking for fabs in -lm""... $ac_c" 1>&6
echo "configure:1972: checking for fabs in -lm" >&5
echo "configure:1983: checking for fabs in -lm" >&5
ac_lib_var=`echo m'_'fabs | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@ -1976,7 +1987,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lm $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1980 "configure"
#line 1991 "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
@ -1987,7 +1998,7 @@ int main() {
fabs()
; return 0; }
EOF
if { (eval echo configure:1991: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:2002: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2017,12 +2028,12 @@ fi
for ac_func in aint anint sqrt
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:2021: checking for $ac_func" >&5
echo "configure:2032: 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 2026 "configure"
#line 2037 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -2045,7 +2056,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:2049: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:2060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else

46
sim/mips/interp.c
View File

@ -339,6 +339,21 @@ sim_open (kind, cb, abfd, argv)
registers: */
{
int rn;
<<<<<<< interp.c
for (rn = 0; (rn < (LAST_EMBED_REGNUM + 1)); rn++)
{
if (rn < 32)
cpu->register_widths[rn] = WITH_TARGET_WORD_BITSIZE;
else if ((rn >= FGRIDX) && (rn < (FGRIDX + NR_FGR)))
cpu->register_widths[rn] = WITH_TARGET_FLOATING_POINT_BITSIZE;
else if ((rn >= 33) && (rn <= 37))
cpu->register_widths[rn] = WITH_TARGET_WORD_BITSIZE;
else if ((rn == SRIDX) || (rn == FCR0IDX) || (rn == FCR31IDX) || ((rn >= 72) && (rn <= 89)))
cpu->register_widths[rn] = 32;
else
cpu->register_widths[rn] = 0;
}
=======
for (rn = 0; (rn < (LAST_EMBED_REGNUM + 1)); rn++) {
if (rn < 32)
cpu->register_widths[rn] = WITH_TARGET_WORD_BITSIZE;
@ -351,6 +366,7 @@ sim_open (kind, cb, abfd, argv)
else
cpu->register_widths[rn] = 0;
}
>>>>>>> 1.94
/* start-sanitize-r5900 */
/* set the 5900 "upper" registers to 64 bits */
@ -551,14 +567,21 @@ sim_store_register (sd,rn,memory)
sim_io_eprintf(sd,"Invalid register width for %d (register store ignored)\n",rn);
/* start-sanitize-r5900 */
else if (rn == REGISTER_SA)
SA = T2H_8(*(uword64*)memory);
SA = T2H_8(*(unsigned64*)memory);
else if (rn > LAST_EMBED_REGNUM)
cpu->registers1[rn - LAST_EMBED_REGNUM - 1] = T2H_8(*(uword64*)memory);
cpu->registers1[rn - LAST_EMBED_REGNUM - 1] = T2H_8(*(unsigned64*)memory);
/* end-sanitize-r5900 */
else if (rn >= FGRIDX && rn < FGRIDX + NR_FGR)
{
if (cpu->register_widths[rn] == 32)
cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
else
cpu->fgr[rn - FGRIDX] = T2H_8 (*(unsigned64*)memory);
}
else if (cpu->register_widths[rn] == 32)
cpu->registers[rn] = T2H_4 (*(unsigned int*)memory);
cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
else
cpu->registers[rn] = T2H_8 (*(uword64*)memory);
cpu->registers[rn] = T2H_8 (*(unsigned64*)memory);
return;
}
@ -580,14 +603,21 @@ sim_fetch_register (sd,rn,memory)
sim_io_eprintf(sd,"Invalid register width for %d (register fetch ignored)\n",rn);
/* start-sanitize-r5900 */
else if (rn == REGISTER_SA)
*((uword64 *)memory) = H2T_8(SA);
*((unsigned64*)memory) = H2T_8(SA);
else if (rn > LAST_EMBED_REGNUM)
*((uword64 *)memory) = H2T_8(cpu->registers1[rn - LAST_EMBED_REGNUM - 1]);
*((unsigned64*)memory) = H2T_8(cpu->registers1[rn - LAST_EMBED_REGNUM - 1]);
/* end-sanitize-r5900 */
else if (rn >= FGRIDX && rn < FGRIDX + NR_FGR)
{
if (cpu->register_widths[rn] == 32)
*(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
else
*(unsigned64*)memory = H2T_8 (cpu->fgr[rn - FGRIDX]);
}
else if (cpu->register_widths[rn] == 32)
*((unsigned int *)memory) = H2T_4 ((unsigned int)(cpu->registers[rn] & 0xFFFFFFFF));
*(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
else /* 64bit register */
*((uword64 *)memory) = H2T_8 (cpu->registers[rn]);
*(unsigned64*)memory = H2T_8 ((unsigned64)(cpu->registers[rn]));
return;
}

4
sim/tic80/ChangeLog
View File

@ -1,3 +1,7 @@
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.

Write Preview
Loading…
Cancel
Save