diff options
Diffstat (limited to 'sim/moxie')
| -rw-r--r-- | sim/moxie/ChangeLog | 17 | ||||
| -rw-r--r-- | sim/moxie/Makefile.in | 19 | ||||
| -rw-r--r-- | sim/moxie/configure | 520 | ||||
| -rw-r--r-- | sim/moxie/configure.ac | 8 | ||||
| -rw-r--r-- | sim/moxie/interp.c | 436 | ||||
| -rw-r--r-- | sim/moxie/moxie-gdb.dts | 49 | ||||
| -rw-r--r-- | sim/moxie/sim-main.h | 63 |
7 files changed, 823 insertions, 289 deletions
diff --git a/sim/moxie/ChangeLog b/sim/moxie/ChangeLog index 79a7965..0aa9c79 100644 --- a/sim/moxie/ChangeLog +++ b/sim/moxie/ChangeLog @@ -1,3 +1,20 @@ +2009-09-10 Anthony Green <green@moxielogic.com> + + * Makefile.in (install-dtb): New target. + (moxie-gdb.dtb): New target. + (SIM_CFLAGS): Define DTB macro on command line. + (SIM_OBJS): Use common infrastructire. + (dtbdir): Define install location for dtb file. + + * sim-main.h: New file. + * moxie-gdb.dts: New file. + * configure.ac: Check for dtc. Install dtb file. Remove some old + cruft. + * configure: Regenerate. + * interp.c: Many changes to use common memory infrastructure. + (load_dtb): New function. + (sim_create_inferior): Call it. + 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> * config.in: Regenerate. diff --git a/sim/moxie/Makefile.in b/sim/moxie/Makefile.in index 9b00b09..a06ee22 100644 --- a/sim/moxie/Makefile.in +++ b/sim/moxie/Makefile.in @@ -18,12 +18,29 @@ ## COMMON_PRE_CONFIG_FRAG -SIM_OBJS = interp.o sim-load.o +dtbdir = @datadir@/gdb-`sed q ${srcdir}/../../gdb/version.in`/dtb + +SIM_OBJS = interp.o sim-load.o sim-io.o sim-config.o sim-utils.o \ +sim-options.o sim-module.o sim-core.o sim-endian.o sim-trace.o \ +sim-engine.o sim-fpu.o sim-bits.o sim-profile.o sim-events.o \ +sim-memopt.o + SIM_EXTRA_LIBS = -lm -lz SIM_EXTRA_CLEAN = moxie-clean +SIM_EXTRA_INSTALL = install-dtb +SIM_CFLAGS = -DDTB="\"$(dtbdir)/moxie-gdb.dtb\"" ## COMMON_POST_CONFIG_FRAG +all: interp.o moxie-gdb.dtb + interp.o: interp.c +moxie-gdb.dtb: moxie-gdb.dts + dtc -O dtb -o moxie-gdb.dtb ${srcdir}/moxie-gdb.dts + +install-dtb: moxie-gdb.dtb + $(SHELL) $(srcdir)/../../mkinstalldirs $(DESTDIR)$(dtbdir) + $(INSTALL_DATA) moxie-gdb.dtb $(DESTDIR)$(dtbdir)/moxie-gdb.dtb + moxie-clean: diff --git a/sim/moxie/configure b/sim/moxie/configure index 0c37ff3..d360d1b 100644 --- a/sim/moxie/configure +++ b/sim/moxie/configure @@ -663,6 +663,7 @@ sim_bitsize sim_assert sim_alignment sim_environment +DTC target_alias host_alias build_alias @@ -713,6 +714,11 @@ enable_sim_trace enable_sim_profile with_pkgversion with_bugurl +enable_sim_endian +enable_sim_alignment +enable_sim_hostendian +enable_sim_environment +enable_sim_inline ' ac_precious_vars='build_alias host_alias @@ -1348,6 +1354,11 @@ Optional Features: --enable-sim-stdio Specify whether to use stdio for console input/output. --enable-sim-trace=opts Enable tracing flags --enable-sim-profile=opts Enable profiling flags + --enable-sim-endian=endian Specify target byte endian orientation. + --enable-sim-alignment=align Specify strict, nonstrict or forced alignment of memory accesses. + --enable-sim-hostendian=end Specify host byte endian orientation. + --enable-sim-environment=environment Specify mixed, user, virtual or operating environment. + --enable-sim-inline=inlines Specify which functions should be inlined. Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] @@ -2146,6 +2157,99 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu ac_config_headers="$ac_config_headers config.h:config.in" +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dtc", so it can be a program name with args. +set dummy ${ac_tool_prefix}dtc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_DTC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DTC"; then + ac_cv_prog_DTC="$DTC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_DTC="${ac_tool_prefix}dtc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DTC=$ac_cv_prog_DTC +if test -n "$DTC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DTC" >&5 +$as_echo "$DTC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DTC"; then + ac_ct_DTC=$DTC + # Extract the first word of "dtc", so it can be a program name with args. +set dummy dtc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_DTC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DTC"; then + ac_cv_prog_ac_ct_DTC="$ac_ct_DTC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_DTC="dtc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DTC=$ac_cv_prog_ac_ct_DTC +if test -n "$ac_ct_DTC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DTC" >&5 +$as_echo "$ac_ct_DTC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DTC" = x; then + DTC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DTC=$ac_ct_DTC + fi +else + DTC="$ac_cv_prog_DTC" +fi + + # This file contains common code used by all simulators. # # SIM_AC_COMMON invokes AC macros used by all simulators and by the common @@ -2244,13 +2348,6 @@ ac_config_headers="$ac_config_headers config.h:config.in" - - - - - - - sim_inline="-DDEFAULT_INLINE=0" @@ -2409,7 +2506,6 @@ sim_inline="-DDEFAULT_INLINE=0" - # Bugs in autoconf 2.59 break the call to SIM_AC_COMMON, hack around # it by inlining the macro's contents. # This file contains common code used by all simulators. @@ -2905,10 +3001,12 @@ done cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ - +#include <stdio.h> int main () { +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; ; return 0; @@ -4495,6 +4593,409 @@ sim_link_files="${sim_link_files} ${TARG_VALS_DEF}" sim_link_links="${sim_link_links} targ-vals.def" + +wire_endian="BIG_ENDIAN" +default_endian="" +# Check whether --enable-sim-endian was given. +if test "${enable_sim_endian+set}" = set; then : + enableval=$enable_sim_endian; case "${enableval}" in + b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";; + l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";; + yes) if test x"$wire_endian" != x; then + sim_endian="-DWITH_TARGET_BYTE_ORDER=${wire_endian}" + else + if test x"$default_endian" != x; then + sim_endian="-DWITH_TARGET_BYTE_ORDER=${default_endian}" + else + echo "No hard-wired endian for target $target" 1>&6 + sim_endian="-DWITH_TARGET_BYTE_ORDER=0" + fi + fi;; + no) if test x"$default_endian" != x; then + sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=${default_endian}" + else + if test x"$wire_endian" != x; then + sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=${wire_endian}" + else + echo "No default endian for target $target" 1>&6 + sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=0" + fi + fi;; + *) as_fn_error "\"Unknown value $enableval for --enable-sim-endian\"" "$LINENO" 5; sim_endian="";; +esac +if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then + echo "Setting endian flags = $sim_endian" 6>&1 +fi +else + if test x"$default_endian" != x; then + sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=${default_endian}" +else + if test x"$wire_endian" != x; then + sim_endian="-DWITH_TARGET_BYTE_ORDER=${wire_endian}" + else + sim_endian= + fi +fi +fi + +wire_alignment="STRICT_ALIGNMENT" +default_alignment="" + +# Check whether --enable-sim-alignment was given. +if test "${enable_sim_alignment+set}" = set; then : + enableval=$enable_sim_alignment; case "${enableval}" in + strict | STRICT) sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";; + nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";; + forced | FORCED) sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT";; + yes) if test x"$wire_alignment" != x; then + sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}" + else + if test x"$default_alignment" != x; then + sim_alignment="-DWITH_ALIGNMENT=${default_alignment}" + else + echo "No hard-wired alignment for target $target" 1>&6 + sim_alignment="-DWITH_ALIGNMENT=0" + fi + fi;; + no) if test x"$default_alignment" != x; then + sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}" + else + if test x"$wire_alignment" != x; then + sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}" + else + echo "No default alignment for target $target" 1>&6 + sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0" + fi + fi;; + *) as_fn_error "\"Unknown value $enableval passed to --enable-sim-alignment\"" "$LINENO" 5; sim_alignment="";; +esac +if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then + echo "Setting alignment flags = $sim_alignment" 6>&1 +fi +else + if test x"$default_alignment" != x; then + sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}" +else + if test x"$wire_alignment" != x; then + sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}" + else + sim_alignment= + fi +fi +fi + + +# Check whether --enable-sim-hostendian was given. +if test "${enable_sim_hostendian+set}" = set; then : + enableval=$enable_sim_hostendian; case "${enableval}" in + no) sim_hostendian="-DWITH_HOST_BYTE_ORDER=0";; + b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN";; + l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN";; + *) as_fn_error "\"Unknown value $enableval for --enable-sim-hostendian\"" "$LINENO" 5; sim_hostendian="";; +esac +if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then + echo "Setting hostendian flags = $sim_hostendian" 6>&1 +fi +else + +if test "x$cross_compiling" = "xno"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5 +$as_echo_n "checking whether byte ordering is bigendian... " >&6; } +if test "${ac_cv_c_bigendian+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_bigendian=unknown + # See if we're dealing with a universal compiler. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __APPLE_CC__ + not a universal capable compiler + #endif + typedef int dummy; + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + # Check for potential -arch flags. It is not universal unless + # there are at least two -arch flags with different values. + ac_arch= + ac_prev= + for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do + if test -n "$ac_prev"; then + case $ac_word in + i?86 | x86_64 | ppc | ppc64) + if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then + ac_arch=$ac_word + else + ac_cv_c_bigendian=universal + break + fi + ;; + esac + ac_prev= + elif test "x$ac_word" = "x-arch"; then + ac_prev=arch + fi + done +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if test $ac_cv_c_bigendian = unknown; then + # See if sys/param.h defines the BYTE_ORDER macro. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + #include <sys/param.h> + +int +main () +{ +#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \ + && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \ + && LITTLE_ENDIAN) + bogus endian macros + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + # It does; now see whether it defined to BIG_ENDIAN or not. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + #include <sys/param.h> + +int +main () +{ +#if BYTE_ORDER != BIG_ENDIAN + not big endian + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes +else + ac_cv_c_bigendian=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test $ac_cv_c_bigendian = unknown; then + # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris). + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <limits.h> + +int +main () +{ +#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN) + bogus endian macros + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + # It does; now see whether it defined to _BIG_ENDIAN or not. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <limits.h> + +int +main () +{ +#ifndef _BIG_ENDIAN + not big endian + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes +else + ac_cv_c_bigendian=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test $ac_cv_c_bigendian = unknown; then + # Compile a test program. + if test "$cross_compiling" = yes; then : + # Try to guess by grepping values from an object file. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +short int ascii_mm[] = + { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; + short int ascii_ii[] = + { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; + int use_ascii (int i) { + return ascii_mm[i] + ascii_ii[i]; + } + short int ebcdic_ii[] = + { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; + short int ebcdic_mm[] = + { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; + int use_ebcdic (int i) { + return ebcdic_mm[i] + ebcdic_ii[i]; + } + extern int foo; + +int +main () +{ +return use_ascii (foo) == use_ebcdic (foo); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then + ac_cv_c_bigendian=yes + fi + if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then + if test "$ac_cv_c_bigendian" = unknown; then + ac_cv_c_bigendian=no + else + # finding both strings is unlikely to happen, but who knows? + ac_cv_c_bigendian=unknown + fi + fi +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* Are we little or big endian? From Harbison&Steele. */ + union + { + long int l; + char c[sizeof (long int)]; + } u; + u.l = 1; + return u.c[sizeof (long int) - 1] == 1; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_c_bigendian=no +else + ac_cv_c_bigendian=yes +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5 +$as_echo "$ac_cv_c_bigendian" >&6; } + case $ac_cv_c_bigendian in #( + yes) + $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h +;; #( + no) + ;; #( + universal) + +$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h + + ;; #( + *) + as_fn_error "unknown endianness + presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;; + esac + + if test $ac_cv_c_bigendian = yes; then + sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN" + else + sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN" + fi +else + sim_hostendian="-DWITH_HOST_BYTE_ORDER=0" +fi +fi + + +# Check whether --enable-sim-environment was given. +if test "${enable_sim_environment+set}" = set; then : + enableval=$enable_sim_environment; case "${enableval}" in + all | ALL) sim_environment="-DWITH_ENVIRONMENT=ALL_ENVIRONMENT";; + user | USER) sim_environment="-DWITH_ENVIRONMENT=USER_ENVIRONMENT";; + virtual | VIRTUAL) sim_environment="-DWITH_ENVIRONMENT=VIRTUAL_ENVIRONMENT";; + operating | OPERATING) sim_environment="-DWITH_ENVIRONMENT=OPERATING_ENVIRONMENT";; + *) as_fn_error "\"Unknown value $enableval passed to --enable-sim-environment\"" "$LINENO" 5; + sim_environment="";; +esac +if test x"$silent" != x"yes" && test x"$sim_environment" != x""; then + echo "Setting sim environment = $sim_environment" 6>&1 +fi +else + sim_environment="-DWITH_ENVIRONMENT=ALL_ENVIRONMENT" +fi + + +default_sim_inline="" +# Check whether --enable-sim-inline was given. +if test "${enable_sim_inline+set}" = set; then : + enableval=$enable_sim_inline; sim_inline="" +case "$enableval" in + no) sim_inline="-DDEFAULT_INLINE=0";; + 0) sim_inline="-DDEFAULT_INLINE=0";; + yes | 2) sim_inline="-DDEFAULT_INLINE=ALL_C_INLINE";; + 1) sim_inline="-DDEFAULT_INLINE=INLINE_LOCALS";; + *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do + new_flag="" + case "$x" in + *_INLINE=*) new_flag="-D$x";; + *=*) new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;; + *_INLINE) new_flag="-D$x=ALL_C_INLINE";; + *) new_flag="-D$x""_INLINE=ALL_C_INLINE";; + esac + if test x"$sim_inline" = x""; then + sim_inline="$new_flag" + else + sim_inline="$sim_inline $new_flag" + fi + done;; +esac +if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then + echo "Setting inline flags = $sim_inline" 6>&1 +fi +else + +if test "x$cross_compiling" = "xno"; then + if test x"$GCC" != "x" -a x"${default_sim_inline}" != "x" ; then + sim_inline="${default_sim_inline}" + if test x"$silent" != x"yes"; then + echo "Setting inline flags = $sim_inline" 6>&1 + fi + else + sim_inline="" + fi +else + sim_inline="-DDEFAULT_INLINE=0" +fi +fi + + for ac_header in unistd.h do : ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default" @@ -4631,6 +5132,7 @@ LTLIBOBJS=$ac_ltlibobjs + : ${CONFIG_STATUS=./config.status} ac_write_fail=0 ac_clean_files_save=$ac_clean_files diff --git a/sim/moxie/configure.ac b/sim/moxie/configure.ac index 78ef414..4617349 100644 --- a/sim/moxie/configure.ac +++ b/sim/moxie/configure.ac @@ -3,12 +3,20 @@ AC_PREREQ(2.59)dnl AC_INIT(Makefile.in) AC_CONFIG_HEADER(config.h:config.in) +AC_CHECK_TOOL(DTC, dtc) + sinclude(../common/aclocal.m4) # Bugs in autoconf 2.59 break the call to SIM_AC_COMMON, hack around # it by inlining the macro's contents. sinclude(../common/common.m4) +SIM_AC_OPTION_ENDIAN(BIG_ENDIAN) +SIM_AC_OPTION_ALIGNMENT(STRICT_ALIGNMENT) +SIM_AC_OPTION_HOSTENDIAN +SIM_AC_OPTION_ENVIRONMENT +SIM_AC_OPTION_INLINE() + AC_CHECK_HEADERS(unistd.h) SIM_AC_OUTPUT diff --git a/sim/moxie/interp.c b/sim/moxie/interp.c index 9627b41..d9e4ea0 100644 --- a/sim/moxie/interp.c +++ b/sim/moxie/interp.c @@ -28,6 +28,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "libiberty.h" #include "gdb/remote-sim.h" +#include "sim-main.h" +#include "sim-base.h" + typedef int word; typedef unsigned int uword; @@ -39,10 +42,11 @@ FILE *tracefile; instruction. */ #define INST2OFFSET(o) ((((signed short)((o & ((1<<10)-1))<<6))>>6)<<1) -#define EXTRACT_WORD(addr) (((addr)[0] << 24) \ - + ((addr)[1] << 16) \ - + ((addr)[2] << 8) \ - + ((addr)[3])) +#define EXTRACT_WORD(addr) \ + ((sim_core_read_aligned_1 (scpu, cia, read_map, addr) << 24) \ + + (sim_core_read_aligned_1 (scpu, cia, read_map, addr+1) << 16) \ + + (sim_core_read_aligned_1 (scpu, cia, read_map, addr+2) << 8) \ + + (sim_core_read_aligned_1 (scpu, cia, read_map, addr+3))) unsigned long moxie_extract_unsigned_integer (addr, len) @@ -111,8 +115,6 @@ struct moxie_regset word sregs[256]; /* special registers */ word cc; /* the condition code reg */ int exception; - unsigned long msize; - unsigned char * memory; unsigned long long insts; /* instruction counter */ }; @@ -132,65 +134,20 @@ static char *myname; static SIM_OPEN_KIND sim_kind; static int issue_messages = 0; -/* Default to a 16 Mbyte (== 2^23) memory space. */ -static int sim_memory_size = 24; - -#define MEM_SIZE_FLOOR 64 void -sim_size (power) - int power; +sim_size (int s) { - sim_memory_size = power; - cpu.asregs.msize = 1 << sim_memory_size; - - if (cpu.asregs.memory) - free (cpu.asregs.memory); - - /* Watch out for the '0 count' problem. There's probably a better - way.. e.g., why do we use 64 here? */ - if (cpu.asregs.msize < 64) /* Ensure a boundary. */ - cpu.asregs.memory = (unsigned char *) calloc (64, (64 + cpu.asregs.msize) / 64); - else - cpu.asregs.memory = (unsigned char *) calloc (64, cpu.asregs.msize / 64); - - if (!cpu.asregs.memory) - { - if (issue_messages) - fprintf (stderr, - "Not enough VM for simulation of %d bytes of RAM\n", - cpu.asregs.msize); - - cpu.asregs.msize = 1; - cpu.asregs.memory = (unsigned char *) calloc (1, 1); - } } static void -init_pointers () -{ - if (cpu.asregs.msize != (1 << sim_memory_size)) - sim_size (sim_memory_size); -} - - -static void set_initial_gprs () { int i; long space; - unsigned long memsize; - init_pointers (); - /* Set up machine just out of reset. */ cpu.asregs.regs[PC_REGNO] = 0; - memsize = cpu.asregs.msize / (1024 * 1024); - - if (issue_messages > 1) - fprintf (stderr, "Simulated memory of %d Mbytes (0x0 .. 0x%08x)\n", - memsize, cpu.asregs.msize - 1); - /* Clean out the register contents. */ for (i = 0; i < NUM_MOXIE_REGS; i++) cpu.asregs.regs[i] = 0; @@ -207,168 +164,61 @@ interrupt () /* Write a 1 byte value to memory. */ static void INLINE -wbat (pc, x, v) - word pc, x, v; +wbat (sim_cpu *scpu, word pc, word x, word v) { - if (((uword)x) >= cpu.asregs.msize) - { - if (issue_messages) - fprintf (stderr, "byte write to 0x%x outside memory range\n", x); - - cpu.asregs.exception = SIGSEGV; - } - else - { - { - unsigned char * p = cpu.asregs.memory + x; - *p = v; - } - } + address_word cia = CIA_GET (scpu); + + sim_core_write_aligned_1 (scpu, cia, write_map, x, v); } /* Write a 2 byte value to memory. */ static void INLINE -wsat (pc, x, v) - word pc, x, v; +wsat (sim_cpu *scpu, word pc, word x, word v) { - if (((uword)x) >= cpu.asregs.msize) - { - if (issue_messages) - fprintf (stderr, "short word write to 0x%x outside memory range\n", x); - - cpu.asregs.exception = SIGSEGV; - } - else - { - if ((x & 1) != 0) - { - if (issue_messages) - fprintf (stderr, "short word write to unaligned memory address: 0x%x\n", x); - - cpu.asregs.exception = SIGBUS; - } - { - unsigned char * p = cpu.asregs.memory + x; - p[0] = v >> 8; - p[1] = v; - } - } + address_word cia = CIA_GET (scpu); + + sim_core_write_aligned_2 (scpu, cia, write_map, x, v); } /* Write a 4 byte value to memory. */ static void INLINE -wlat (pc, x, v) - word pc, x, v; +wlat (sim_cpu *scpu, word pc, word x, word v) { - if (((uword)x) >= cpu.asregs.msize) - { - if (issue_messages) - fprintf (stderr, "word write to 0x%x outside memory range\n", x); - - cpu.asregs.exception = SIGSEGV; - } - else - { - if ((x & 1) != 0) - { - if (issue_messages) - fprintf (stderr, "word write to unaligned memory address: 0x%x\n", x); - - cpu.asregs.exception = SIGBUS; - } - { - unsigned char * p = cpu.asregs.memory + x; - p[0] = v >> 24; - p[1] = v >> 16; - p[2] = v >> 8; - p[3] = v; - } - } + address_word cia = CIA_GET (scpu); + + sim_core_write_aligned_4 (scpu, cia, write_map, x, v); } /* Read 2 bytes from memory. */ static int INLINE -rsat (pc, x) - word pc, x; +rsat (sim_cpu *scpu, word pc, word x) { - if (((uword) x) >= cpu.asregs.msize) - { - if (issue_messages) - fprintf (stderr, "short word read from 0x%x outside memory range\n", x); - - cpu.asregs.exception = SIGSEGV; - return 0; - } - else - { - if ((x & 1) != 0) - { - if (issue_messages) - fprintf (stderr, "short word read from unaligned address: 0x%x\n", x); - - cpu.asregs.exception = SIGBUS; - return 0; - } - { - unsigned char * p = cpu.asregs.memory + x; - return (p[0] << 8) | p[1]; - } - } + address_word cia = CIA_GET (scpu); + + return (sim_core_read_aligned_2 (scpu, cia, read_map, x)); } /* Read 1 byte from memory. */ static int INLINE -rbat (pc, x) - word pc, x; +rbat (sim_cpu *scpu, word pc, word x) { - if (((uword) x) >= cpu.asregs.msize) - { - if (issue_messages) - fprintf (stderr, "byte read from 0x%x outside memory range\n", x); - - cpu.asregs.exception = SIGSEGV; - return 0; - } - else - { - unsigned char * p = cpu.asregs.memory + x; - return *p; - } + address_word cia = CIA_GET (scpu); + + return (sim_core_read_aligned_1 (scpu, cia, read_map, x)); } /* Read 4 bytes from memory. */ static int INLINE -rlat (pc, x) - word pc, x; +rlat (sim_cpu *scpu, word pc, word x) { - if (((uword) x) >= cpu.asregs.msize) - { - if (issue_messages) - fprintf (stderr, "word read from 0x%x outside memory range\n", x); - - cpu.asregs.exception = SIGSEGV; - return 0; - } - else - { - if ((x & 3) != 0) - { - if (issue_messages) - fprintf (stderr, "word read from unaligned address: 0x%x\n", x); - - cpu.asregs.exception = SIGBUS; - return 0; - } - { - unsigned char * p = cpu.asregs.memory + x; - return (EXTRACT_WORD(p)); - } - } + address_word cia = CIA_GET (scpu); + + return (sim_core_read_aligned_4 (scpu, cia, read_map, x)); } #define CHECK_FLAG(T,H) if (tflags & T) { hflags |= H; tflags ^= T; } @@ -407,12 +257,13 @@ sim_resume (sd, step, siggnal) unsigned long long insts; unsigned short inst; void (* sigsave)(); + sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */ + address_word cia = CIA_GET (scpu); sigsave = signal (SIGINT, interrupt); cpu.asregs.exception = step ? SIGTRAP: 0; pc = cpu.asregs.regs[PC_REGNO]; insts = cpu.asregs.insts; - unsigned char *memory = cpu.asregs.memory; /* Run instructions here. */ do @@ -420,7 +271,8 @@ sim_resume (sd, step, siggnal) opc = pc; /* Fetch the instruction at pc. */ - inst = (memory[pc] << 8) + memory[pc + 1]; + inst = (sim_core_read_aligned_1 (scpu, cia, read_map, pc) << 8) + + sim_core_read_aligned_1 (scpu, cia, read_map, pc+1); /* Decode instruction. */ if (inst & (1 << 15)) @@ -568,7 +420,7 @@ sim_resume (sd, step, siggnal) { int reg = (inst >> 4) & 0xf; TRACE("ldi.l"); - unsigned int val = EXTRACT_WORD(&(memory[pc + 2])); + unsigned int val = EXTRACT_WORD(pc+2); cpu.asregs.regs[reg] = val; pc += 4; } @@ -583,7 +435,7 @@ sim_resume (sd, step, siggnal) break; case 0x03: /* jsra */ { - unsigned int fn = EXTRACT_WORD(&(memory[pc + 2])); + unsigned int fn = EXTRACT_WORD(pc+2); unsigned int sp = cpu.asregs.regs[1]; TRACE("jsra"); /* Save a slot for the static chain. */ @@ -591,11 +443,11 @@ sim_resume (sd, step, siggnal) /* Push the return address. */ sp -= 4; - wlat (opc, sp, pc + 6); + wlat (scpu, opc, sp, pc + 6); /* Push the current frame pointer. */ sp -= 4; - wlat (opc, sp, cpu.asregs.regs[0]); + wlat (scpu, opc, sp, cpu.asregs.regs[0]); /* Uncache the stack pointer and set the pc and $fp. */ cpu.asregs.regs[1] = sp; @@ -610,11 +462,11 @@ sim_resume (sd, step, siggnal) TRACE("ret"); /* Pop the frame pointer. */ - cpu.asregs.regs[0] = rlat (opc, sp); + cpu.asregs.regs[0] = rlat (scpu, opc, sp); sp += 4; /* Pop the return address. */ - pc = rlat (opc, sp) - 2; + pc = rlat (scpu, opc, sp) - 2; sp += 4; /* Skip over the static chain slot. */ @@ -640,7 +492,7 @@ sim_resume (sd, step, siggnal) int b = inst & 0xf; int sp = cpu.asregs.regs[a] - 4; TRACE("push"); - wlat (opc, sp, cpu.asregs.regs[b]); + wlat (scpu, opc, sp, cpu.asregs.regs[b]); cpu.asregs.regs[a] = sp; } break; @@ -650,25 +502,25 @@ sim_resume (sd, step, siggnal) int b = inst & 0xf; int sp = cpu.asregs.regs[a]; TRACE("pop"); - cpu.asregs.regs[b] = rlat (opc, sp); + cpu.asregs.regs[b] = rlat (scpu, opc, sp); cpu.asregs.regs[a] = sp + 4; } break; case 0x08: /* lda.l */ { int reg = (inst >> 4) & 0xf; - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); TRACE("lda.l"); - cpu.asregs.regs[reg] = rlat (opc, addr); + cpu.asregs.regs[reg] = rlat (scpu, opc, addr); pc += 4; } break; case 0x09: /* sta.l */ { int reg = (inst >> 4) & 0xf; - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); TRACE("sta.l"); - wlat (opc, addr, cpu.asregs.regs[reg]); + wlat (scpu, opc, addr, cpu.asregs.regs[reg]); pc += 4; } break; @@ -679,7 +531,7 @@ sim_resume (sd, step, siggnal) int xv; TRACE("ld.l"); xv = cpu.asregs.regs[src]; - cpu.asregs.regs[dest] = rlat (opc, xv); + cpu.asregs.regs[dest] = rlat (scpu, opc, xv); } break; case 0x0b: /* st.l */ @@ -687,28 +539,28 @@ sim_resume (sd, step, siggnal) int dest = (inst >> 4) & 0xf; int val = inst & 0xf; TRACE("st.l"); - wlat (opc, cpu.asregs.regs[dest], cpu.asregs.regs[val]); + wlat (scpu, opc, cpu.asregs.regs[dest], cpu.asregs.regs[val]); } break; case 0x0c: /* ldo.l */ { - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); int a = (inst >> 4) & 0xf; int b = inst & 0xf; TRACE("ldo.l"); addr += cpu.asregs.regs[b]; - cpu.asregs.regs[a] = rlat(opc, addr); + cpu.asregs.regs[a] = rlat (scpu, opc, addr); pc += 4; } break; case 0x0d: /* sto.l */ { - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); int a = (inst >> 4) & 0xf; int b = inst & 0xf; TRACE("sto.l"); addr += cpu.asregs.regs[a]; - wlat(opc, addr, cpu.asregs.regs[b]); + wlat (scpu, opc, addr, cpu.asregs.regs[b]); pc += 4; } break; @@ -763,11 +615,11 @@ sim_resume (sd, step, siggnal) /* Push the return address. */ sp -= 4; - wlat (opc, sp, pc + 2); + wlat (scpu, opc, sp, pc + 2); /* Push the current frame pointer. */ sp -= 4; - wlat (opc, sp, cpu.asregs.regs[0]); + wlat (scpu, opc, sp, cpu.asregs.regs[0]); /* Uncache the stack pointer and set the fp & pc. */ cpu.asregs.regs[1] = sp; @@ -777,7 +629,7 @@ sim_resume (sd, step, siggnal) break; case 0x1a: /* jmpa */ { - unsigned int tgt = EXTRACT_WORD(&memory[pc+2]); + unsigned int tgt = EXTRACT_WORD(pc+2); TRACE("jmpa"); pc = tgt - 2; } @@ -786,7 +638,7 @@ sim_resume (sd, step, siggnal) { int reg = (inst >> 4) & 0xf; - unsigned int val = EXTRACT_WORD(&(memory[pc + 2])); + unsigned int val = EXTRACT_WORD(pc+2); TRACE("ldi.b"); cpu.asregs.regs[reg] = val; pc += 4; @@ -799,15 +651,15 @@ sim_resume (sd, step, siggnal) int xv; TRACE("ld.b"); xv = cpu.asregs.regs[src]; - cpu.asregs.regs[dest] = rbat (opc, xv); + cpu.asregs.regs[dest] = rbat (scpu, opc, xv); } break; case 0x1d: /* lda.b */ { int reg = (inst >> 4) & 0xf; - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); TRACE("lda.b"); - cpu.asregs.regs[reg] = rbat (opc, addr); + cpu.asregs.regs[reg] = rbat (scpu, opc, addr); pc += 4; } break; @@ -816,15 +668,15 @@ sim_resume (sd, step, siggnal) int dest = (inst >> 4) & 0xf; int val = inst & 0xf; TRACE("st.b"); - wbat (opc, cpu.asregs.regs[dest], cpu.asregs.regs[val]); + wbat (scpu, opc, cpu.asregs.regs[dest], cpu.asregs.regs[val]); } break; case 0x1f: /* sta.b */ { int reg = (inst >> 4) & 0xf; - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); TRACE("sta.b"); - wbat (opc, addr, cpu.asregs.regs[reg]); + wbat (scpu, opc, addr, cpu.asregs.regs[reg]); pc += 4; } break; @@ -832,7 +684,7 @@ sim_resume (sd, step, siggnal) { int reg = (inst >> 4) & 0xf; - unsigned int val = EXTRACT_WORD(&(memory[pc + 2])); + unsigned int val = EXTRACT_WORD(pc+2); TRACE("ldi.s"); cpu.asregs.regs[reg] = val; pc += 4; @@ -845,15 +697,15 @@ sim_resume (sd, step, siggnal) int xv; TRACE("ld.s"); xv = cpu.asregs.regs[src]; - cpu.asregs.regs[dest] = rsat (opc, xv); + cpu.asregs.regs[dest] = rsat (scpu, opc, xv); } break; case 0x22: /* lda.s */ { int reg = (inst >> 4) & 0xf; - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); TRACE("lda.s"); - cpu.asregs.regs[reg] = rsat (opc, addr); + cpu.asregs.regs[reg] = rsat (scpu, opc, addr); pc += 4; } break; @@ -862,15 +714,15 @@ sim_resume (sd, step, siggnal) int dest = (inst >> 4) & 0xf; int val = inst & 0xf; TRACE("st.s"); - wsat (opc, cpu.asregs.regs[dest], cpu.asregs.regs[val]); + wsat (scpu, opc, cpu.asregs.regs[dest], cpu.asregs.regs[val]); } break; case 0x24: /* sta.s */ { int reg = (inst >> 4) & 0xf; - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); TRACE("sta.s"); - wsat (opc, addr, cpu.asregs.regs[reg]); + wsat (scpu, opc, addr, cpu.asregs.regs[reg]); pc += 4; } break; @@ -984,8 +836,11 @@ sim_resume (sd, step, siggnal) break; case 0x30: /* swi */ { - unsigned int inum = EXTRACT_WORD(&memory[pc+2]); + unsigned int inum = EXTRACT_WORD(pc+2); TRACE("swi"); + /* Set the special registers appropriately. */ + cpu.asregs.sregs[2] = 3; /* MOXIE_EX_SWI */ + cpu.asregs.sregs[3] = inum; switch (inum) { case 0x1: /* SYS_exit */ @@ -995,10 +850,12 @@ sim_resume (sd, step, siggnal) } case 0x2: /* SYS_open */ { - char *fname = &memory[cpu.asregs.regs[2]]; + char fname[1024]; int mode = (int) convert_target_flags ((unsigned) cpu.asregs.regs[3]); int perm = (int) cpu.asregs.regs[4]; int fd = open (fname, mode, perm); + sim_core_read_buffer (sd, scpu, read_map, fname, + cpu.asregs.regs[2], 1024); /* FIXME - set errno */ cpu.asregs.regs[2] = fd; break; @@ -1006,17 +863,24 @@ sim_resume (sd, step, siggnal) case 0x4: /* SYS_read */ { int fd = cpu.asregs.regs[2]; - char *buf = &memory[cpu.asregs.regs[3]]; unsigned len = (unsigned) cpu.asregs.regs[4]; + char *buf = malloc (len); cpu.asregs.regs[2] = read (fd, buf, len); + sim_core_write_buffer (sd, scpu, write_map, buf, + cpu.asregs.regs[3], len); + free (buf); break; } case 0x5: /* SYS_write */ { - char *str = &memory[cpu.asregs.regs[3]]; + char *str; /* String length is at 0x12($fp) */ unsigned count, len = (unsigned) cpu.asregs.regs[4]; + str = malloc (len); + sim_core_read_buffer (sd, scpu, read_map, str, + cpu.asregs.regs[3], len); count = write (cpu.asregs.regs[2], str, len); + free (str); cpu.asregs.regs[2] = count; break; } @@ -1024,18 +888,17 @@ sim_resume (sd, step, siggnal) { unsigned int handler = cpu.asregs.sregs[1]; unsigned int sp = cpu.asregs.regs[1]; - cpu.asregs.sregs[2] = 3; /* MOXIE_EX_SWI */ /* Save a slot for the static chain. */ sp -= 4; /* Push the return address. */ sp -= 4; - wlat (opc, sp, pc + 6); + wlat (scpu, opc, sp, pc + 6); /* Push the current frame pointer. */ sp -= 4; - wlat (opc, sp, cpu.asregs.regs[0]); + wlat (scpu, opc, sp, cpu.asregs.regs[0]); /* Uncache the stack pointer and set the fp & pc. */ cpu.asregs.regs[1] = sp; @@ -1095,45 +958,45 @@ sim_resume (sd, step, siggnal) break; case 0x36: /* ldo.b */ { - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); int a = (inst >> 4) & 0xf; int b = inst & 0xf; TRACE("ldo.b"); addr += cpu.asregs.regs[b]; - cpu.asregs.regs[a] = rbat(opc, addr); + cpu.asregs.regs[a] = rbat (scpu, opc, addr); pc += 4; } break; case 0x37: /* sto.b */ { - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); int a = (inst >> 4) & 0xf; int b = inst & 0xf; TRACE("sto.b"); addr += cpu.asregs.regs[a]; - wbat(opc, addr, cpu.asregs.regs[b]); + wbat (scpu, opc, addr, cpu.asregs.regs[b]); pc += 4; } break; case 0x38: /* ldo.s */ { - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); int a = (inst >> 4) & 0xf; int b = inst & 0xf; TRACE("ldo.s"); addr += cpu.asregs.regs[b]; - cpu.asregs.regs[a] = rsat(opc, addr); + cpu.asregs.regs[a] = rsat (scpu, opc, addr); pc += 4; } break; case 0x39: /* sto.s */ { - unsigned int addr = EXTRACT_WORD(&memory[pc+2]); + unsigned int addr = EXTRACT_WORD(pc+2); int a = (inst >> 4) & 0xf; int b = inst & 0xf; TRACE("sto.s"); addr += cpu.asregs.regs[a]; - wsat(opc, addr, cpu.asregs.regs[b]); + wsat (scpu, opc, addr, cpu.asregs.regs[b]); pc += 4; } break; @@ -1164,11 +1027,10 @@ sim_write (sd, addr, buffer, size) unsigned char * buffer; int size; { - int i; - init_pointers (); - - memcpy (& cpu.asregs.memory[addr], buffer, size); - + sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */ + + sim_core_write_buffer (sd, scpu, write_map, buffer, addr, size); + return size; } @@ -1179,10 +1041,9 @@ sim_read (sd, addr, buffer, size) unsigned char * buffer; int size; { - int i; - init_pointers (); - - memcpy (buffer, & cpu.asregs.memory[addr], size); + sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */ + + sim_core_read_buffer (sd, scpu, read_map, buffer, addr, size); return size; } @@ -1195,8 +1056,6 @@ sim_store_register (sd, rn, memory, length) unsigned char * memory; int length; { - init_pointers (); - if (rn < NUM_MOXIE_REGS && rn >= 0) { if (length == 4) @@ -1221,8 +1080,6 @@ sim_fetch_register (sd, rn, memory, length) unsigned char * memory; int length; { - init_pointers (); - if (rn < NUM_MOXIE_REGS && rn >= 0) { if (length == 4) @@ -1301,21 +1158,25 @@ sim_open (kind, cb, abfd, argv) struct bfd * abfd; char ** argv; { - int osize = sim_memory_size; + SIM_DESC sd = sim_state_alloc (kind, cb); + printf ("0x%x 0x%x\n", sd, STATE_MAGIC(sd)); + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + + if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK) + return 0; + + sim_do_command(sd," memory region 0x00000000,0x4000000") ; + sim_do_command(sd," memory region 0xE0000000,0x10000") ; + myname = argv[0]; callback = cb; if (kind == SIM_OPEN_STANDALONE) issue_messages = 1; - /* Discard and reacquire memory -- start with a clean slate. */ - sim_size (1); /* small */ - sim_size (osize); /* and back again */ - set_initial_gprs (); /* Reset the GPR registers. */ - /* Fudge our descriptor for now. */ - return (SIM_DESC) 1; + return sd; } void @@ -1326,6 +1187,35 @@ sim_close (sd, quitting) /* nothing to do */ } + +/* Load the device tree blob. */ + +static void +load_dtb (SIM_DESC sd, const char *filename) +{ + int size = 0; + FILE *f = fopen (filename, "rb"); + char *buf; + sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */ + if (f == NULL) + { + printf ("WARNING: ``%s'' could not be opened.\n", filename); + return; + } + fseek (f, 0, SEEK_END); + size = ftell(f); + fseek (f, 0, SEEK_SET); + buf = alloca (size); + if (size != fread (buf, 1, size, f)) + { + printf ("ERROR: error reading ``%s''.\n", filename); + return; + } + sim_core_write_buffer (sd, scpu, write_map, buf, 0xE0000000, size); + cpu.asregs.sregs[9] = 0xE0000000; + fclose (f); +} + SIM_RC sim_load (sd, prog, abfd, from_tty) SIM_DESC sd; @@ -1389,6 +1279,7 @@ sim_create_inferior (sd, prog_bfd, argv, env) { char ** avp; int l, argc, i, tp; + sim_cpu *scpu = STATE_CPU (sd, 0); /* FIXME */ /* Set the initial register set. */ l = issue_messages; @@ -1412,8 +1303,8 @@ sim_create_inferior (sd, prog_bfd, argv, env) 0x0000???? zero word 0x0000???? start of data pointed to by argv */ - wlat (0, 0, 0); - wlat (0, 4, argc); + wlat (scpu, 0, 0, 0); + wlat (scpu, 0, 4, argc); /* tp is the offset of our first argv data. */ tp = 4 + 4 + argc * 4 + 4; @@ -1421,14 +1312,17 @@ sim_create_inferior (sd, prog_bfd, argv, env) for (i = 0; i < argc; i++) { /* Set the argv value. */ - wlat (0, 4 + 4 + i * 4, tp); + wlat (scpu, 0, 4 + 4 + i * 4, tp); /* Store the string. */ - strcpy (&cpu.asregs.memory[tp], argv[i]); + sim_core_write_buffer (sd, scpu, write_map, argv[i], + tp, strlen(argv[i])+1); tp += strlen (argv[i]) + 1; } - wlat (0, 4 + 4 + i * 4, 0); + wlat (scpu, 0, 4 + 4 + i * 4, 0); + + load_dtb (sd, DTB); return SIM_RC_OK; } @@ -1446,26 +1340,10 @@ sim_do_command (sd, cmd) SIM_DESC sd; char * cmd; { - /* Nothing there yet; it's all an error. */ - - if (cmd != NULL) - { - char ** simargv = buildargv (cmd); - if (strcmp (simargv[0], "verbose") == 0) - { - issue_messages = 2; - } - else - { - fprintf (stderr,"Error: \"%s\" is not a valid moxie simulator command.\n", + if (sim_args_command (sd, cmd) != SIM_RC_OK) + sim_io_printf (sd, + "Error: \"%s\" is not a valid moxie simulator command.\n", cmd); - } - } - else - { - fprintf (stderr, "moxie sim commands: \n"); - fprintf (stderr, " verbose\n"); - } } void diff --git a/sim/moxie/moxie-gdb.dts b/sim/moxie/moxie-gdb.dts new file mode 100644 index 0000000..56e0369 --- /dev/null +++ b/sim/moxie/moxie-gdb.dts @@ -0,0 +1,49 @@ +/* + * GDB Simulator device tree. + * + * (C) Copyright 2009 Anthony Green + * + * Anthony Green <green@moxielogic.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +/dts-v1/; +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "gdb,moxie-elf-gdb"; + model = "testing"; + DDR2_SDRAM: memory@00000000 { + device_type = "memory"; + reg = < 0x00000000 0x04000000 >; + } ; + chosen { + bootargs = "lpj=1000 console=earlyser0"; + } ; + cpus { + #address-cells = <1>; + #cpus = <0x1>; + #size-cells = <0>; + moxie_0: cpu@0 { + compatible = "moxie,moxie-0.99"; + device_type = "cpu"; + model = "moxie,0.99"; + reg = <0>; + } ; + } ; +} ; diff --git a/sim/moxie/sim-main.h b/sim/moxie/sim-main.h new file mode 100644 index 0000000..f743dfb --- /dev/null +++ b/sim/moxie/sim-main.h @@ -0,0 +1,63 @@ +/* Moxie Simulator definition. + Copyright (C) 2009 + Free Software Foundation, Inc. + Contributed by Anthony Green <green@moxielogic.com> + +This file is part of GDB, the GNU debugger. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifndef SIM_MAIN_H +#define SIM_MAIN_H + +#define SIM_HAVE_BIENDIAN + +#include "sim-basics.h" + +typedef address_word sim_cia; + +#include "sim-base.h" +#include "bfd.h" + +#define PCIDX 17 + +struct _sim_cpu { + + /* The following are internal simulator state variables: */ +#define CIA_GET(CPU) ((CPU)->registers[PCIDX] + 0) +#define CIA_SET(CPU,CIA) ((CPU)->registers[PCIDX] = (CIA)) + +/* To keep this default simulator simple, and fast, we use a direct + vector of registers. The internal simulator engine then uses + manifests to access the correct slot. */ + + unsigned_word registers[19]; + + sim_cpu_base base; +}; + +struct sim_state { + + sim_cpu cpu[MAX_NR_PROCESSORS]; +#if (WITH_SMP) +#define STATE_CPU(sd,n) (&(sd)->cpu[n]) +#else +#define STATE_CPU(sd,n) (&(sd)->cpu[0]) +#endif + + sim_state_base base; +}; + +#endif + |