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authornobody <>2002-09-07 00:00:05 +0000
committernobody <>2002-09-07 00:00:05 +0000
commitc1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch)
treea98633075cd1f2b034b49446e83e522708d11f68 /sim/arm/armemu.c
parent2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff)
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This commit was manufactured by cvs2svn to create branchsid-20020905-branchpointsid-20020905-branch
'sid-20020905-branch'. Sprout from gdb_5_3-branch 2002-09-03 22:29:15 UTC nobody 'This commit was manufactured by cvs2svn to create branch 'gdb_5_3-branch'.' Cherrypick from master 2002-09-07 00:00:04 UTC Alan Modra <amodra@gmail.com> 'daily update': bfd/ChangeLog bfd/config.bfd bfd/version.h include/ChangeLog include/dis-asm.h libiberty/ChangeLog libiberty/regex.c opcodes/ChangeLog opcodes/disassemble.c opcodes/ppc-dis.c opcodes/ppc-opc.c Delete: djunpack.bat gdb/CONTRIBUTE gdb/COPYING gdb/ChangeLog gdb/ChangeLog-1990 gdb/ChangeLog-1991 gdb/ChangeLog-1992 gdb/ChangeLog-1993 gdb/ChangeLog-1994 gdb/ChangeLog-1995 gdb/ChangeLog-1996 gdb/ChangeLog-1997 gdb/ChangeLog-1998 gdb/ChangeLog-1999 gdb/ChangeLog-2000 gdb/ChangeLog-2001 gdb/ChangeLog-3.x gdb/MAINTAINERS gdb/Makefile.in gdb/NEWS gdb/PROBLEMS gdb/README gdb/TODO gdb/a68v-nat.c gdb/abug-rom.c gdb/acconfig.h gdb/acinclude.m4 gdb/aclocal.m4 gdb/ada-exp.y gdb/ada-lang.c gdb/ada-lang.h gdb/ada-lex.l gdb/ada-tasks.c gdb/ada-typeprint.c gdb/ada-valprint.c gdb/aix-thread.c gdb/alpha-linux-tdep.c gdb/alpha-nat.c gdb/alpha-osf1-tdep.c gdb/alpha-tdep.c gdb/alpha-tdep.h gdb/alphabsd-nat.c gdb/alphabsd-tdep.c gdb/alphabsd-tdep.h gdb/alphafbsd-tdep.c gdb/alphanbsd-tdep.c gdb/annotate.c gdb/annotate.h gdb/arc-tdep.c gdb/arch-utils.c gdb/arch-utils.h gdb/arm-linux-nat.c gdb/arm-linux-tdep.c gdb/arm-tdep.c gdb/arm-tdep.h gdb/armnbsd-nat.c gdb/armnbsd-tdep.c gdb/avr-tdep.c gdb/ax-gdb.c gdb/ax-gdb.h gdb/ax-general.c gdb/ax.h gdb/bcache.c gdb/bcache.h gdb/blockframe.c gdb/breakpoint.c gdb/breakpoint.h gdb/buildsym.c gdb/buildsym.h gdb/builtin-regs.c gdb/builtin-regs.h gdb/c-exp.y gdb/c-lang.c gdb/c-lang.h gdb/c-typeprint.c gdb/c-valprint.c gdb/call-cmds.h gdb/ch-exp.c gdb/ch-lang.c gdb/ch-lang.h gdb/ch-typeprint.c gdb/ch-valprint.c gdb/cli-out.c gdb/cli-out.h gdb/cli/cli-cmds.c gdb/cli/cli-cmds.h gdb/cli/cli-decode.c gdb/cli/cli-decode.h gdb/cli/cli-dump.c gdb/cli/cli-dump.h gdb/cli/cli-script.c gdb/cli/cli-script.h gdb/cli/cli-setshow.c gdb/cli/cli-setshow.h gdb/cli/cli-utils.c gdb/cli/cli-utils.h gdb/coff-solib.c gdb/coff-solib.h gdb/coffread.c gdb/command.h gdb/complaints.c gdb/complaints.h gdb/completer.c gdb/completer.h gdb/config.in gdb/config/alpha/alpha-linux.mh gdb/config/alpha/alpha-linux.mt gdb/config/alpha/alpha-osf1.mh gdb/config/alpha/alpha-osf1.mt gdb/config/alpha/alpha-osf2.mh gdb/config/alpha/alpha-osf3.mh gdb/config/alpha/alpha.mt gdb/config/alpha/fbsd.mh gdb/config/alpha/fbsd.mt gdb/config/alpha/nbsd.mh gdb/config/alpha/nbsd.mt gdb/config/alpha/nm-fbsd.h gdb/config/alpha/nm-linux.h gdb/config/alpha/nm-nbsd.h gdb/config/alpha/nm-osf.h gdb/config/alpha/nm-osf2.h gdb/config/alpha/nm-osf3.h gdb/config/alpha/tm-alpha.h gdb/config/alpha/tm-alphalinux.h gdb/config/alpha/tm-fbsd.h gdb/config/alpha/tm-nbsd.h gdb/config/alpha/xm-alphalinux.h gdb/config/alpha/xm-alphaosf.h gdb/config/arc/arc.mt gdb/config/arc/tm-arc.h gdb/config/arm/embed.mt gdb/config/arm/linux.mh gdb/config/arm/linux.mt gdb/config/arm/nbsd.mt gdb/config/arm/nbsdaout.mh gdb/config/arm/nbsdelf.mh gdb/config/arm/nm-linux.h gdb/config/arm/nm-nbsd.h gdb/config/arm/nm-nbsdaout.h gdb/config/arm/tm-arm.h gdb/config/arm/tm-embed.h gdb/config/arm/tm-linux.h gdb/config/arm/tm-wince.h gdb/config/arm/wince.mt gdb/config/arm/xm-linux.h gdb/config/arm/xm-nbsd.h gdb/config/avr/avr.mt gdb/config/cris/cris.mt gdb/config/cris/tm-cris.h gdb/config/d10v/d10v.mt gdb/config/d30v/d30v.mt gdb/config/d30v/tm-d30v.h gdb/config/djgpp/README gdb/config/djgpp/config.sed gdb/config/djgpp/djcheck.sh gdb/config/djgpp/djconfig.sh gdb/config/djgpp/fnchange.lst gdb/config/fr30/fr30.mt gdb/config/fr30/tm-fr30.h gdb/config/frv/frv.mt gdb/config/frv/tm-frv.h gdb/config/h8300/h8300.mt gdb/config/h8300/tm-h8300.h gdb/config/h8500/h8500.mt gdb/config/h8500/tm-h8500.h gdb/config/i386/cygwin.mh gdb/config/i386/cygwin.mt gdb/config/i386/embed.mt gdb/config/i386/fbsd.mh gdb/config/i386/fbsd.mt gdb/config/i386/gdbserve.mt gdb/config/i386/go32.mh gdb/config/i386/go32.mt gdb/config/i386/i386aix.mh gdb/config/i386/i386aix.mt gdb/config/i386/i386aout.mt gdb/config/i386/i386bsd.mh gdb/config/i386/i386bsd.mt gdb/config/i386/i386dgux.mh gdb/config/i386/i386gnu.mh gdb/config/i386/i386gnu.mt gdb/config/i386/i386lynx.mh gdb/config/i386/i386lynx.mt gdb/config/i386/i386m3.mh gdb/config/i386/i386m3.mt gdb/config/i386/i386mach.mh gdb/config/i386/i386mk.mh gdb/config/i386/i386mk.mt gdb/config/i386/i386nw.mt gdb/config/i386/i386os9k.mt gdb/config/i386/i386sco.mh gdb/config/i386/i386sco4.mh gdb/config/i386/i386sco5.mh gdb/config/i386/i386sco5.mt gdb/config/i386/i386sol2.mh gdb/config/i386/i386sol2.mt gdb/config/i386/i386v.mh gdb/config/i386/i386v.mt gdb/config/i386/i386v32.mh gdb/config/i386/i386v4.mh gdb/config/i386/i386v4.mt gdb/config/i386/i386v42mp.mh gdb/config/i386/i386v42mp.mt gdb/config/i386/linux.mh gdb/config/i386/linux.mt gdb/config/i386/nbsd.mt gdb/config/i386/nbsdaout.mh gdb/config/i386/nbsdelf.mh gdb/config/i386/ncr3000.mh gdb/config/i386/ncr3000.mt gdb/config/i386/nm-cygwin.h gdb/config/i386/nm-fbsd.h gdb/config/i386/nm-go32.h gdb/config/i386/nm-i386.h gdb/config/i386/nm-i386aix.h gdb/config/i386/nm-i386bsd.h gdb/config/i386/nm-i386gnu.h gdb/config/i386/nm-i386lynx.h gdb/config/i386/nm-i386mach.h gdb/config/i386/nm-i386sco.h gdb/config/i386/nm-i386sco4.h gdb/config/i386/nm-i386sco5.h gdb/config/i386/nm-i386sol2.h gdb/config/i386/nm-i386v.h gdb/config/i386/nm-i386v4.h gdb/config/i386/nm-i386v42mp.h gdb/config/i386/nm-linux.h gdb/config/i386/nm-m3.h gdb/config/i386/nm-nbsd.h gdb/config/i386/nm-nbsdaout.h gdb/config/i386/nm-obsd.h gdb/config/i386/nm-ptx4.h gdb/config/i386/nm-symmetry.h gdb/config/i386/nm-x86-64linux.h gdb/config/i386/obsd.mh gdb/config/i386/ptx.mh gdb/config/i386/ptx.mt gdb/config/i386/ptx4.mh gdb/config/i386/ptx4.mt gdb/config/i386/symmetry.mh gdb/config/i386/symmetry.mt gdb/config/i386/tm-cygwin.h gdb/config/i386/tm-fbsd.h gdb/config/i386/tm-go32.h gdb/config/i386/tm-i386.h gdb/config/i386/tm-i386aix.h gdb/config/i386/tm-i386bsd.h gdb/config/i386/tm-i386lynx.h gdb/config/i386/tm-i386m3.h gdb/config/i386/tm-i386mk.h gdb/config/i386/tm-i386os9k.h gdb/config/i386/tm-i386sol2.h gdb/config/i386/tm-i386v4.h gdb/config/i386/tm-i386v42mp.h gdb/config/i386/tm-linux.h gdb/config/i386/tm-nbsd.h gdb/config/i386/tm-ptx.h gdb/config/i386/tm-ptx4.h gdb/config/i386/tm-symmetry.h gdb/config/i386/tm-vxworks.h gdb/config/i386/tm-x86-64linux.h gdb/config/i386/vxworks.mt gdb/config/i386/x86-64linux.mh gdb/config/i386/x86-64linux.mt gdb/config/i386/xm-cygwin.h gdb/config/i386/xm-go32.h gdb/config/i386/xm-i386.h gdb/config/i386/xm-i386aix.h gdb/config/i386/xm-i386bsd.h gdb/config/i386/xm-i386m3.h gdb/config/i386/xm-i386mach.h gdb/config/i386/xm-i386mk.h gdb/config/i386/xm-i386sco.h gdb/config/i386/xm-i386v.h gdb/config/i386/xm-i386v32.h gdb/config/i386/xm-i386v4.h gdb/config/i386/xm-nbsd.h gdb/config/i386/xm-ptx.h gdb/config/i386/xm-ptx4.h gdb/config/i386/xm-symmetry.h gdb/config/i960/mon960.mt gdb/config/i960/nindy960.mt gdb/config/i960/tm-i960.h gdb/config/i960/tm-mon960.h gdb/config/i960/tm-nindy960.h gdb/config/i960/tm-vx960.h gdb/config/i960/vxworks960.mt gdb/config/ia64/aix.mh gdb/config/ia64/aix.mt gdb/config/ia64/ia64.mt gdb/config/ia64/linux.mh gdb/config/ia64/linux.mt gdb/config/ia64/nm-aix.h gdb/config/ia64/nm-linux.h gdb/config/ia64/tm-aix.h gdb/config/ia64/tm-ia64.h gdb/config/ia64/tm-linux.h gdb/config/ia64/xm-aix.h gdb/config/ia64/xm-linux.h gdb/config/m32r/m32r.mt gdb/config/m32r/tm-m32r.h gdb/config/m68hc11/m68hc11.mt gdb/config/m68k/3b1.mh gdb/config/m68k/3b1.mt gdb/config/m68k/apollo68b.mh gdb/config/m68k/apollo68b.mt gdb/config/m68k/apollo68v.mh gdb/config/m68k/cisco.mt gdb/config/m68k/delta68.mh gdb/config/m68k/delta68.mt gdb/config/m68k/dpx2.mh gdb/config/m68k/dpx2.mt gdb/config/m68k/es1800.mt gdb/config/m68k/hp300bsd.mh gdb/config/m68k/hp300bsd.mt gdb/config/m68k/hp300hpux.mh gdb/config/m68k/hp300hpux.mt gdb/config/m68k/linux.mh gdb/config/m68k/linux.mt gdb/config/m68k/m68klynx.mh gdb/config/m68k/m68klynx.mt gdb/config/m68k/m68kv4.mh gdb/config/m68k/m68kv4.mt gdb/config/m68k/monitor.mt gdb/config/m68k/nbsdaout.mh gdb/config/m68k/nbsdaout.mt gdb/config/m68k/nm-apollo68b.h gdb/config/m68k/nm-apollo68v.h gdb/config/m68k/nm-delta68.h gdb/config/m68k/nm-dpx2.h gdb/config/m68k/nm-hp300bsd.h gdb/config/m68k/nm-hp300hpux.h gdb/config/m68k/nm-linux.h gdb/config/m68k/nm-m68klynx.h gdb/config/m68k/nm-nbsd.h gdb/config/m68k/nm-nbsdaout.h gdb/config/m68k/nm-sun2.h gdb/config/m68k/nm-sun3.h gdb/config/m68k/nm-sysv4.h gdb/config/m68k/os68k.mt gdb/config/m68k/st2000.mt gdb/config/m68k/sun2os3.mh gdb/config/m68k/sun2os3.mt gdb/config/m68k/sun2os4.mh gdb/config/m68k/sun2os4.mt gdb/config/m68k/sun3os3.mh gdb/config/m68k/sun3os3.mt gdb/config/m68k/sun3os4.mh gdb/config/m68k/sun3os4.mt gdb/config/m68k/tm-3b1.h gdb/config/m68k/tm-apollo68b.h gdb/config/m68k/tm-cisco.h gdb/config/m68k/tm-delta68.h gdb/config/m68k/tm-dpx2.h gdb/config/m68k/tm-es1800.h gdb/config/m68k/tm-hp300bsd.h gdb/config/m68k/tm-hp300hpux.h gdb/config/m68k/tm-linux.h gdb/config/m68k/tm-m68k.h gdb/config/m68k/tm-m68klynx.h gdb/config/m68k/tm-m68kv4.h gdb/config/m68k/tm-mac.h gdb/config/m68k/tm-monitor.h gdb/config/m68k/tm-nbsd.h gdb/config/m68k/tm-os68k.h gdb/config/m68k/tm-st2000.h gdb/config/m68k/tm-sun2.h gdb/config/m68k/tm-sun2os4.h gdb/config/m68k/tm-sun3.h gdb/config/m68k/tm-sun3os4.h gdb/config/m68k/tm-vx68.h gdb/config/m68k/vxworks68.mt gdb/config/m68k/xm-3b1.h gdb/config/m68k/xm-apollo68b.h gdb/config/m68k/xm-apollo68v.h gdb/config/m68k/xm-delta68.h gdb/config/m68k/xm-dpx2.h gdb/config/m68k/xm-hp300bsd.h gdb/config/m68k/xm-hp300hpux.h gdb/config/m68k/xm-linux.h gdb/config/m68k/xm-m68k.h gdb/config/m68k/xm-m68kv4.h gdb/config/m68k/xm-nbsd.h gdb/config/m68k/xm-sun2.h gdb/config/m68k/xm-sun3.h gdb/config/m68k/xm-sun3os4.h gdb/config/m88k/delta88.mh gdb/config/m88k/delta88.mt gdb/config/m88k/delta88v4.mh gdb/config/m88k/delta88v4.mt gdb/config/m88k/m88k.mh gdb/config/m88k/m88k.mt gdb/config/m88k/nm-delta88v4.h gdb/config/m88k/nm-m88k.h gdb/config/m88k/tm-delta88.h gdb/config/m88k/tm-delta88v4.h gdb/config/m88k/tm-m88k.h gdb/config/m88k/xm-delta88.h gdb/config/m88k/xm-delta88v4.h gdb/config/m88k/xm-dgux.h gdb/config/mcore/mcore.mt gdb/config/mips/bigmips.mt gdb/config/mips/bigmips64.mt gdb/config/mips/decstation.mh gdb/config/mips/decstation.mt gdb/config/mips/embed.mt gdb/config/mips/embed64.mt gdb/config/mips/embedl.mt gdb/config/mips/embedl64.mt gdb/config/mips/irix3.mh gdb/config/mips/irix3.mt gdb/config/mips/irix4.mh gdb/config/mips/irix5.mh gdb/config/mips/irix5.mt gdb/config/mips/irix6.mh gdb/config/mips/irix6.mt gdb/config/mips/linux.mh gdb/config/mips/linux.mt gdb/config/mips/littlemips.mh gdb/config/mips/littlemips.mt gdb/config/mips/mipsm3.mh gdb/config/mips/mipsm3.mt gdb/config/mips/mipsv4.mh gdb/config/mips/mipsv4.mt gdb/config/mips/nbsd.mh gdb/config/mips/nbsd.mt gdb/config/mips/news-mips.mh gdb/config/mips/nm-irix3.h gdb/config/mips/nm-irix4.h gdb/config/mips/nm-irix5.h gdb/config/mips/nm-irix6.h gdb/config/mips/nm-linux.h gdb/config/mips/nm-mips.h gdb/config/mips/nm-nbsd.h gdb/config/mips/nm-news-mips.h gdb/config/mips/nm-riscos.h gdb/config/mips/riscos.mh gdb/config/mips/tm-bigmips.h gdb/config/mips/tm-bigmips64.h gdb/config/mips/tm-embed.h gdb/config/mips/tm-embed64.h gdb/config/mips/tm-embedl.h gdb/config/mips/tm-embedl64.h gdb/config/mips/tm-irix3.h gdb/config/mips/tm-irix5.h gdb/config/mips/tm-irix6.h gdb/config/mips/tm-linux.h gdb/config/mips/tm-mips.h gdb/config/mips/tm-mips64.h gdb/config/mips/tm-mipsm3.h gdb/config/mips/tm-mipsv4.h gdb/config/mips/tm-nbsd.h gdb/config/mips/tm-tx39.h gdb/config/mips/tm-tx39l.h gdb/config/mips/tm-vr4100.h gdb/config/mips/tm-vr4300.h gdb/config/mips/tm-vr4300el.h gdb/config/mips/tm-vr4xxx.h gdb/config/mips/tm-vr4xxxel.h gdb/config/mips/tm-vr5000.h gdb/config/mips/tm-vr5000el.h gdb/config/mips/tm-vxmips.h gdb/config/mips/tm-wince.h gdb/config/mips/tx39.mt gdb/config/mips/tx39l.mt gdb/config/mips/vr4100.mt gdb/config/mips/vr4300.mt gdb/config/mips/vr4300el.mt gdb/config/mips/vr4xxx.mt gdb/config/mips/vr4xxxel.mt gdb/config/mips/vr5000.mt gdb/config/mips/vr5000el.mt gdb/config/mips/vxmips.mt gdb/config/mips/wince.mt gdb/config/mips/xm-irix3.h gdb/config/mips/xm-irix4.h gdb/config/mips/xm-irix5.h gdb/config/mips/xm-irix6.h gdb/config/mips/xm-linux.h gdb/config/mips/xm-mips.h gdb/config/mips/xm-mipsm3.h gdb/config/mips/xm-mipsv4.h gdb/config/mips/xm-riscos.h gdb/config/mn10200/mn10200.mt gdb/config/mn10200/tm-mn10200.h gdb/config/mn10300/mn10300.mt gdb/config/nm-gnu.h gdb/config/nm-linux.h gdb/config/nm-lynx.h gdb/config/nm-m3.h gdb/config/nm-nbsd.h gdb/config/nm-nbsdaout.h gdb/config/nm-sysv4.h gdb/config/none/nm-none.h gdb/config/none/none.mh gdb/config/none/none.mt gdb/config/none/tm-none.h gdb/config/none/xm-none.h gdb/config/ns32k/nbsdaout.mh gdb/config/ns32k/nbsdaout.mt gdb/config/ns32k/nm-nbsd.h gdb/config/ns32k/nm-nbsdaout.h gdb/config/ns32k/tm-nbsd.h gdb/config/ns32k/tm-ns32k.h gdb/config/ns32k/xm-nbsd.h gdb/config/pa/hppa.mt 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gdb/config/powerpc/ppc-eabi.mt gdb/config/powerpc/ppc-sim.mt gdb/config/powerpc/ppcle-eabi.mt gdb/config/powerpc/ppcle-sim.mt gdb/config/powerpc/tm-linux.h gdb/config/powerpc/tm-nbsd.h gdb/config/powerpc/tm-ppc-aix.h gdb/config/powerpc/tm-ppc-eabi.h gdb/config/powerpc/tm-ppc-sim.h gdb/config/powerpc/tm-ppcle-eabi.h gdb/config/powerpc/tm-ppcle-sim.h gdb/config/powerpc/tm-vxworks.h gdb/config/powerpc/vxworks.mt gdb/config/powerpc/xm-aix.h gdb/config/powerpc/xm-linux.h gdb/config/rs6000/aix4.mh gdb/config/rs6000/aix4.mt gdb/config/rs6000/nm-rs6000.h gdb/config/rs6000/nm-rs6000ly.h gdb/config/rs6000/rs6000.mh gdb/config/rs6000/rs6000.mt gdb/config/rs6000/rs6000lynx.mh gdb/config/rs6000/rs6000lynx.mt gdb/config/rs6000/tm-rs6000-aix4.h gdb/config/rs6000/tm-rs6000.h gdb/config/rs6000/tm-rs6000ly.h gdb/config/rs6000/xm-aix4.h gdb/config/rs6000/xm-rs6000.h gdb/config/s390/nm-linux.h gdb/config/s390/s390.mh gdb/config/s390/s390.mt gdb/config/s390/s390x.mt gdb/config/s390/tm-linux.h 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readline/config.h.bot readline/config.h.in readline/configure readline/configure.in readline/cross-build/cygwin.cache readline/display.c readline/doc/ChangeLog.gdb readline/doc/Makefile.in readline/doc/hist.texinfo readline/doc/hstech.texinfo readline/doc/hsuser.texinfo readline/doc/inc-hist.texinfo readline/doc/manvers.texinfo readline/doc/readline.3 readline/doc/rlman.texinfo readline/doc/rltech.texinfo readline/doc/rluser.texinfo readline/doc/rluserman.texinfo readline/doc/texi2dvi readline/doc/texi2html readline/emacs_keymap.c readline/examples/ChangeLog.gdb readline/examples/Inputrc readline/examples/Makefile.in readline/examples/excallback.c readline/examples/fileman.c readline/examples/histexamp.c readline/examples/manexamp.c readline/examples/rl.c readline/examples/rlfe.c readline/examples/rltest.c readline/examples/rlversion.c readline/funmap.c readline/histexpand.c readline/histfile.c readline/histlib.h readline/history.c readline/history.h readline/histsearch.c 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sim/testsuite/sim/fr30/mulu.cgs sim/testsuite/sim/fr30/muluh.cgs sim/testsuite/sim/fr30/nop.cgs sim/testsuite/sim/fr30/or.cgs sim/testsuite/sim/fr30/orb.cgs sim/testsuite/sim/fr30/orccr.cgs sim/testsuite/sim/fr30/orh.cgs sim/testsuite/sim/fr30/ret.cgs sim/testsuite/sim/fr30/reti.cgs sim/testsuite/sim/fr30/st.cgs sim/testsuite/sim/fr30/stb.cgs sim/testsuite/sim/fr30/sth.cgs sim/testsuite/sim/fr30/stilm.cgs sim/testsuite/sim/fr30/stm0.cgs sim/testsuite/sim/fr30/stm1.cgs sim/testsuite/sim/fr30/stres.cgs sim/testsuite/sim/fr30/sub.cgs sim/testsuite/sim/fr30/subc.cgs sim/testsuite/sim/fr30/subn.cgs sim/testsuite/sim/fr30/testutils.inc sim/testsuite/sim/fr30/xchb.cgs sim/testsuite/sim/m32r/add.cgs sim/testsuite/sim/m32r/add3.cgs sim/testsuite/sim/m32r/addi.cgs sim/testsuite/sim/m32r/addv.cgs sim/testsuite/sim/m32r/addv3.cgs sim/testsuite/sim/m32r/addx.cgs sim/testsuite/sim/m32r/allinsn.exp sim/testsuite/sim/m32r/and.cgs sim/testsuite/sim/m32r/and3.cgs sim/testsuite/sim/m32r/bc24.cgs sim/testsuite/sim/m32r/bc8.cgs sim/testsuite/sim/m32r/beq.cgs sim/testsuite/sim/m32r/beqz.cgs sim/testsuite/sim/m32r/bgez.cgs sim/testsuite/sim/m32r/bgtz.cgs sim/testsuite/sim/m32r/bl24.cgs sim/testsuite/sim/m32r/bl8.cgs sim/testsuite/sim/m32r/blez.cgs sim/testsuite/sim/m32r/bltz.cgs sim/testsuite/sim/m32r/bnc24.cgs sim/testsuite/sim/m32r/bnc8.cgs sim/testsuite/sim/m32r/bne.cgs sim/testsuite/sim/m32r/bnez.cgs sim/testsuite/sim/m32r/bra24.cgs sim/testsuite/sim/m32r/bra8.cgs sim/testsuite/sim/m32r/cmp.cgs sim/testsuite/sim/m32r/cmpi.cgs sim/testsuite/sim/m32r/cmpu.cgs sim/testsuite/sim/m32r/cmpui.cgs sim/testsuite/sim/m32r/div.cgs sim/testsuite/sim/m32r/divu.cgs sim/testsuite/sim/m32r/hello.ms sim/testsuite/sim/m32r/hw-trap.ms sim/testsuite/sim/m32r/jl.cgs sim/testsuite/sim/m32r/jmp.cgs sim/testsuite/sim/m32r/ld-d.cgs sim/testsuite/sim/m32r/ld-plus.cgs sim/testsuite/sim/m32r/ld.cgs sim/testsuite/sim/m32r/ld24.cgs sim/testsuite/sim/m32r/ldb-d.cgs sim/testsuite/sim/m32r/ldb.cgs sim/testsuite/sim/m32r/ldh-d.cgs sim/testsuite/sim/m32r/ldh.cgs sim/testsuite/sim/m32r/ldi16.cgs sim/testsuite/sim/m32r/ldi8.cgs sim/testsuite/sim/m32r/ldub-d.cgs sim/testsuite/sim/m32r/ldub.cgs sim/testsuite/sim/m32r/lduh-d.cgs sim/testsuite/sim/m32r/lduh.cgs sim/testsuite/sim/m32r/lock.cgs sim/testsuite/sim/m32r/machi.cgs sim/testsuite/sim/m32r/maclo.cgs sim/testsuite/sim/m32r/macwhi.cgs sim/testsuite/sim/m32r/macwlo.cgs sim/testsuite/sim/m32r/misc.exp sim/testsuite/sim/m32r/mul.cgs sim/testsuite/sim/m32r/mulhi.cgs sim/testsuite/sim/m32r/mullo.cgs sim/testsuite/sim/m32r/mulwhi.cgs sim/testsuite/sim/m32r/mulwlo.cgs sim/testsuite/sim/m32r/mv.cgs sim/testsuite/sim/m32r/mvfachi.cgs sim/testsuite/sim/m32r/mvfaclo.cgs sim/testsuite/sim/m32r/mvfacmi.cgs sim/testsuite/sim/m32r/mvfc.cgs sim/testsuite/sim/m32r/mvtachi.cgs sim/testsuite/sim/m32r/mvtaclo.cgs sim/testsuite/sim/m32r/mvtc.cgs sim/testsuite/sim/m32r/neg.cgs sim/testsuite/sim/m32r/nop.cgs sim/testsuite/sim/m32r/not.cgs sim/testsuite/sim/m32r/or.cgs sim/testsuite/sim/m32r/or3.cgs sim/testsuite/sim/m32r/rac.cgs sim/testsuite/sim/m32r/rach.cgs sim/testsuite/sim/m32r/rem.cgs sim/testsuite/sim/m32r/remu.cgs sim/testsuite/sim/m32r/rte.cgs sim/testsuite/sim/m32r/seth.cgs sim/testsuite/sim/m32r/sll.cgs sim/testsuite/sim/m32r/sll3.cgs sim/testsuite/sim/m32r/slli.cgs sim/testsuite/sim/m32r/sra.cgs sim/testsuite/sim/m32r/sra3.cgs sim/testsuite/sim/m32r/srai.cgs sim/testsuite/sim/m32r/srl.cgs sim/testsuite/sim/m32r/srl3.cgs sim/testsuite/sim/m32r/srli.cgs sim/testsuite/sim/m32r/st-d.cgs sim/testsuite/sim/m32r/st-minus.cgs sim/testsuite/sim/m32r/st-plus.cgs sim/testsuite/sim/m32r/st.cgs sim/testsuite/sim/m32r/stb-d.cgs sim/testsuite/sim/m32r/stb.cgs sim/testsuite/sim/m32r/sth-d.cgs sim/testsuite/sim/m32r/sth.cgs sim/testsuite/sim/m32r/sub.cgs sim/testsuite/sim/m32r/subv.cgs sim/testsuite/sim/m32r/subx.cgs sim/testsuite/sim/m32r/testutils.inc sim/testsuite/sim/m32r/trap.cgs sim/testsuite/sim/m32r/unlock.cgs sim/testsuite/sim/m32r/uread16.ms sim/testsuite/sim/m32r/uread32.ms sim/testsuite/sim/m32r/uwrite16.ms sim/testsuite/sim/m32r/uwrite32.ms sim/testsuite/sim/m32r/xor.cgs sim/testsuite/sim/m32r/xor3.cgs sim/v850/ChangeLog sim/v850/Makefile.in sim/v850/acconfig.h sim/v850/config.in sim/v850/configure sim/v850/configure.in sim/v850/interp.c sim/v850/sim-main.h sim/v850/simops.c sim/v850/simops.h sim/v850/v850-dc sim/v850/v850.igen sim/v850/v850_sim.h sim/z8k/ChangeLog sim/z8k/Makefile.in sim/z8k/acconfig.h sim/z8k/comped1.c sim/z8k/comped2.c sim/z8k/comped3.c sim/z8k/compedb3.c sim/z8k/config.in sim/z8k/configure sim/z8k/configure.in sim/z8k/iface.c sim/z8k/inlines.h sim/z8k/mem.c sim/z8k/mem.h sim/z8k/quick.c sim/z8k/sim.h sim/z8k/support.c sim/z8k/syscall.h sim/z8k/tconfig.in sim/z8k/tm.h sim/z8k/writecode.c texinfo/texinfo.tex
Diffstat (limited to 'sim/arm/armemu.c')
-rw-r--r--sim/arm/armemu.c4872
1 files changed, 0 insertions, 4872 deletions
diff --git a/sim/arm/armemu.c b/sim/arm/armemu.c
deleted file mode 100644
index 44943c4..0000000
--- a/sim/arm/armemu.c
+++ /dev/null
@@ -1,4872 +0,0 @@
-/* armemu.c -- Main instruction emulation: ARM7 Instruction Emulator.
- Copyright (C) 1994 Advanced RISC Machines Ltd.
- Modifications to add arch. v4 support by <jsmith@cygnus.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. */
-
-#include "armdefs.h"
-#include "armemu.h"
-#include "armos.h"
-
-static ARMword GetDPRegRHS (ARMul_State *, ARMword);
-static ARMword GetDPSRegRHS (ARMul_State *, ARMword);
-static void WriteR15 (ARMul_State *, ARMword);
-static void WriteSR15 (ARMul_State *, ARMword);
-static void WriteR15Branch (ARMul_State *, ARMword);
-static ARMword GetLSRegRHS (ARMul_State *, ARMword);
-static ARMword GetLS7RHS (ARMul_State *, ARMword);
-static unsigned LoadWord (ARMul_State *, ARMword, ARMword);
-static unsigned LoadHalfWord (ARMul_State *, ARMword, ARMword, int);
-static unsigned LoadByte (ARMul_State *, ARMword, ARMword, int);
-static unsigned StoreWord (ARMul_State *, ARMword, ARMword);
-static unsigned StoreHalfWord (ARMul_State *, ARMword, ARMword);
-static unsigned StoreByte (ARMul_State *, ARMword, ARMword);
-static void LoadMult (ARMul_State *, ARMword, ARMword, ARMword);
-static void StoreMult (ARMul_State *, ARMword, ARMword, ARMword);
-static void LoadSMult (ARMul_State *, ARMword, ARMword, ARMword);
-static void StoreSMult (ARMul_State *, ARMword, ARMword, ARMword);
-static unsigned Multiply64 (ARMul_State *, ARMword, int, int);
-static unsigned MultiplyAdd64 (ARMul_State *, ARMword, int, int);
-static void Handle_Load_Double (ARMul_State *, ARMword);
-static void Handle_Store_Double (ARMul_State *, ARMword);
-
-#define LUNSIGNED (0) /* unsigned operation */
-#define LSIGNED (1) /* signed operation */
-#define LDEFAULT (0) /* default : do nothing */
-#define LSCC (1) /* set condition codes on result */
-
-#ifdef NEED_UI_LOOP_HOOK
-/* How often to run the ui_loop update, when in use. */
-#define UI_LOOP_POLL_INTERVAL 0x32000
-
-/* Counter for the ui_loop_hook update. */
-static long ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
-
-/* Actual hook to call to run through gdb's gui event loop. */
-extern int (*ui_loop_hook) (int);
-#endif /* NEED_UI_LOOP_HOOK */
-
-extern int stop_simulator;
-
-/* Short-hand macros for LDR/STR. */
-
-/* Store post decrement writeback. */
-#define SHDOWNWB() \
- lhs = LHS ; \
- if (StoreHalfWord (state, instr, lhs)) \
- LSBase = lhs - GetLS7RHS (state, instr);
-
-/* Store post increment writeback. */
-#define SHUPWB() \
- lhs = LHS ; \
- if (StoreHalfWord (state, instr, lhs)) \
- LSBase = lhs + GetLS7RHS (state, instr);
-
-/* Store pre decrement. */
-#define SHPREDOWN() \
- (void)StoreHalfWord (state, instr, LHS - GetLS7RHS (state, instr));
-
-/* Store pre decrement writeback. */
-#define SHPREDOWNWB() \
- temp = LHS - GetLS7RHS (state, instr); \
- if (StoreHalfWord (state, instr, temp)) \
- LSBase = temp;
-
-/* Store pre increment. */
-#define SHPREUP() \
- (void)StoreHalfWord (state, instr, LHS + GetLS7RHS (state, instr));
-
-/* Store pre increment writeback. */
-#define SHPREUPWB() \
- temp = LHS + GetLS7RHS (state, instr); \
- if (StoreHalfWord (state, instr, temp)) \
- LSBase = temp;
-
-/* Load post decrement writeback. */
-#define LHPOSTDOWN() \
-{ \
- int done = 1; \
- lhs = LHS; \
- temp = lhs - GetLS7RHS (state, instr); \
- \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \
- LSBase = temp; \
- break; \
- case 2: /* SB */ \
- if (LoadByte (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 3: /* SH */ \
- if (LoadHalfWord (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 0: /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
-}
-
-/* Load post increment writeback. */
-#define LHPOSTUP() \
-{ \
- int done = 1; \
- lhs = LHS; \
- temp = lhs + GetLS7RHS (state, instr); \
- \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \
- LSBase = temp; \
- break; \
- case 2: /* SB */ \
- if (LoadByte (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 3: /* SH */ \
- if (LoadHalfWord (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 0: /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
-}
-
-/* Load pre decrement. */
-#define LHPREDOWN() \
-{ \
- int done = 1; \
- \
- temp = LHS - GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \
- break; \
- case 2: /* SB */ \
- (void) LoadByte (state, instr, temp, LSIGNED); \
- break; \
- case 3: /* SH */ \
- (void) LoadHalfWord (state, instr, temp, LSIGNED); \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
-}
-
-/* Load pre decrement writeback. */
-#define LHPREDOWNWB() \
-{ \
- int done = 1; \
- \
- temp = LHS - GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \
- LSBase = temp; \
- break; \
- case 2: /* SB */ \
- if (LoadByte (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 3: /* SH */ \
- if (LoadHalfWord (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
-}
-
-/* Load pre increment. */
-#define LHPREUP() \
-{ \
- int done = 1; \
- \
- temp = LHS + GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \
- break; \
- case 2: /* SB */ \
- (void) LoadByte (state, instr, temp, LSIGNED); \
- break; \
- case 3: /* SH */ \
- (void) LoadHalfWord (state, instr, temp, LSIGNED); \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
-}
-
-/* Load pre increment writeback. */
-#define LHPREUPWB() \
-{ \
- int done = 1; \
- \
- temp = LHS + GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \
- LSBase = temp; \
- break; \
- case 2: /* SB */ \
- if (LoadByte (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 3: /* SH */ \
- if (LoadHalfWord (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
-}
-
-/* EMULATION of ARM6. */
-
-/* The PC pipeline value depends on whether ARM
- or Thumb instructions are being executed. */
-ARMword isize;
-
-ARMword
-#ifdef MODE32
-ARMul_Emulate32 (ARMul_State * state)
-#else
-ARMul_Emulate26 (ARMul_State * state)
-#endif
-{
- ARMword instr; /* The current instruction. */
- ARMword dest = 0; /* Almost the DestBus. */
- ARMword temp; /* Ubiquitous third hand. */
- ARMword pc = 0; /* The address of the current instruction. */
- ARMword lhs; /* Almost the ABus and BBus. */
- ARMword rhs;
- ARMword decoded = 0; /* Instruction pipeline. */
- ARMword loaded = 0;
-
- /* Execute the next instruction. */
-
- if (state->NextInstr < PRIMEPIPE)
- {
- decoded = state->decoded;
- loaded = state->loaded;
- pc = state->pc;
- }
-
- do
- {
- /* Just keep going. */
- isize = INSN_SIZE;
-
- switch (state->NextInstr)
- {
- case SEQ:
- /* Advance the pipeline, and an S cycle. */
- state->Reg[15] += isize;
- pc += isize;
- instr = decoded;
- decoded = loaded;
- loaded = ARMul_LoadInstrS (state, pc + (isize * 2), isize);
- break;
-
- case NONSEQ:
- /* Advance the pipeline, and an N cycle. */
- state->Reg[15] += isize;
- pc += isize;
- instr = decoded;
- decoded = loaded;
- loaded = ARMul_LoadInstrN (state, pc + (isize * 2), isize);
- NORMALCYCLE;
- break;
-
- case PCINCEDSEQ:
- /* Program counter advanced, and an S cycle. */
- pc += isize;
- instr = decoded;
- decoded = loaded;
- loaded = ARMul_LoadInstrS (state, pc + (isize * 2), isize);
- NORMALCYCLE;
- break;
-
- case PCINCEDNONSEQ:
- /* Program counter advanced, and an N cycle. */
- pc += isize;
- instr = decoded;
- decoded = loaded;
- loaded = ARMul_LoadInstrN (state, pc + (isize * 2), isize);
- NORMALCYCLE;
- break;
-
- case RESUME:
- /* The program counter has been changed. */
- pc = state->Reg[15];
-#ifndef MODE32
- pc = pc & R15PCBITS;
-#endif
- state->Reg[15] = pc + (isize * 2);
- state->Aborted = 0;
- instr = ARMul_ReLoadInstr (state, pc, isize);
- decoded = ARMul_ReLoadInstr (state, pc + isize, isize);
- loaded = ARMul_ReLoadInstr (state, pc + isize * 2, isize);
- NORMALCYCLE;
- break;
-
- default:
- /* The program counter has been changed. */
- pc = state->Reg[15];
-#ifndef MODE32
- pc = pc & R15PCBITS;
-#endif
- state->Reg[15] = pc + (isize * 2);
- state->Aborted = 0;
- instr = ARMul_LoadInstrN (state, pc, isize);
- decoded = ARMul_LoadInstrS (state, pc + (isize), isize);
- loaded = ARMul_LoadInstrS (state, pc + (isize * 2), isize);
- NORMALCYCLE;
- break;
- }
-
- if (state->EventSet)
- ARMul_EnvokeEvent (state);
-#if 0
- /* Enable this for a helpful bit of debugging when tracing is needed. */
- fprintf (stderr, "pc: %x, instr: %x\n", pc & ~1, instr);
- if (instr == 0)
- abort ();
-#endif
-
- if (state->Exception)
- {
- /* Any exceptions ? */
- if (state->NresetSig == LOW)
- {
- ARMul_Abort (state, ARMul_ResetV);
- break;
- }
- else if (!state->NfiqSig && !FFLAG)
- {
- ARMul_Abort (state, ARMul_FIQV);
- break;
- }
- else if (!state->NirqSig && !IFLAG)
- {
- ARMul_Abort (state, ARMul_IRQV);
- break;
- }
- }
-
- if (state->CallDebug > 0)
- {
- instr = ARMul_Debug (state, pc, instr);
- if (state->Emulate < ONCE)
- {
- state->NextInstr = RESUME;
- break;
- }
- if (state->Debug)
- {
- fprintf (stderr, "sim: At %08lx Instr %08lx Mode %02lx\n", pc, instr,
- state->Mode);
- (void) fgetc (stdin);
- }
- }
- else if (state->Emulate < ONCE)
- {
- state->NextInstr = RESUME;
- break;
- }
-
- state->NumInstrs++;
-
-#ifdef MODET
- /* Provide Thumb instruction decoding. If the processor is in Thumb
- mode, then we can simply decode the Thumb instruction, and map it
- to the corresponding ARM instruction (by directly loading the
- instr variable, and letting the normal ARM simulator
- execute). There are some caveats to ensure that the correct
- pipelined PC value is used when executing Thumb code, and also for
- dealing with the BL instruction. */
- if (TFLAG)
- {
- ARMword new;
-
- /* Check if in Thumb mode. */
- switch (ARMul_ThumbDecode (state, pc, instr, &new))
- {
- case t_undefined:
- /* This is a Thumb instruction. */
- ARMul_UndefInstr (state, instr);
- goto donext;
-
- case t_branch:
- /* Already processed. */
- goto donext;
-
- case t_decoded:
- /* ARM instruction available. */
- instr = new;
- /* So continue instruction decoding. */
- break;
- default:
- break;
- }
- }
-#endif
-
- /* Check the condition codes. */
- if ((temp = TOPBITS (28)) == AL)
- /* Vile deed in the need for speed. */
- goto mainswitch;
-
- /* Check the condition code. */
- switch ((int) TOPBITS (28))
- {
- case AL:
- temp = TRUE;
- break;
- case NV:
- if (state->is_v5)
- {
- if (BITS (25, 27) == 5) /* BLX(1) */
- {
- ARMword dest;
-
- state->Reg[14] = pc + 4;
-
- /* Force entry into Thumb mode. */
- dest = pc + 8 + 1;
- if (BIT (23))
- dest += (NEGBRANCH + (BIT (24) << 1));
- else
- dest += POSBRANCH + (BIT (24) << 1);
-
- WriteR15Branch (state, dest);
- goto donext;
- }
- else if ((instr & 0xFC70F000) == 0xF450F000)
- /* The PLD instruction. Ignored. */
- goto donext;
- else
- /* UNDEFINED in v5, UNPREDICTABLE in v3, v4, non executed in v1, v2. */
- ARMul_UndefInstr (state, instr);
- }
- temp = FALSE;
- break;
- case EQ:
- temp = ZFLAG;
- break;
- case NE:
- temp = !ZFLAG;
- break;
- case VS:
- temp = VFLAG;
- break;
- case VC:
- temp = !VFLAG;
- break;
- case MI:
- temp = NFLAG;
- break;
- case PL:
- temp = !NFLAG;
- break;
- case CS:
- temp = CFLAG;
- break;
- case CC:
- temp = !CFLAG;
- break;
- case HI:
- temp = (CFLAG && !ZFLAG);
- break;
- case LS:
- temp = (!CFLAG || ZFLAG);
- break;
- case GE:
- temp = ((!NFLAG && !VFLAG) || (NFLAG && VFLAG));
- break;
- case LT:
- temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG));
- break;
- case GT:
- temp = ((!NFLAG && !VFLAG && !ZFLAG) || (NFLAG && VFLAG && !ZFLAG));
- break;
- case LE:
- temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)) || ZFLAG;
- break;
- } /* cc check */
-
- /* Handle the Clock counter here. */
- if (state->is_XScale)
- {
- ARMword cp14r0;
- int ok;
-
- ok = state->CPRead[14] (state, 0, & cp14r0);
-
- if (ok && (cp14r0 & ARMul_CP14_R0_ENABLE))
- {
- unsigned long newcycles, nowtime = ARMul_Time (state);
-
- newcycles = nowtime - state->LastTime;
- state->LastTime = nowtime;
-
- if (cp14r0 & ARMul_CP14_R0_CCD)
- {
- if (state->CP14R0_CCD == -1)
- state->CP14R0_CCD = newcycles;
- else
- state->CP14R0_CCD += newcycles;
-
- if (state->CP14R0_CCD >= 64)
- {
- newcycles = 0;
-
- while (state->CP14R0_CCD >= 64)
- state->CP14R0_CCD -= 64, newcycles++;
-
- goto check_PMUintr;
- }
- }
- else
- {
- ARMword cp14r1;
- int do_int = 0;
-
- state->CP14R0_CCD = -1;
-check_PMUintr:
- cp14r0 |= ARMul_CP14_R0_FLAG2;
- (void) state->CPWrite[14] (state, 0, cp14r0);
-
- ok = state->CPRead[14] (state, 1, & cp14r1);
-
- /* Coded like this for portability. */
- while (ok && newcycles)
- {
- if (cp14r1 == 0xffffffff)
- {
- cp14r1 = 0;
- do_int = 1;
- }
- else
- cp14r1 ++;
-
- newcycles --;
- }
-
- (void) state->CPWrite[14] (state, 1, cp14r1);
-
- if (do_int && (cp14r0 & ARMul_CP14_R0_INTEN2))
- {
- ARMword temp;
-
- if (state->CPRead[13] (state, 8, & temp)
- && (temp & ARMul_CP13_R8_PMUS))
- ARMul_Abort (state, ARMul_FIQV);
- else
- ARMul_Abort (state, ARMul_IRQV);
- }
- }
- }
- }
-
- /* Handle hardware instructions breakpoints here. */
- if (state->is_XScale)
- {
- if ( (pc | 3) == (read_cp15_reg (14, 0, 8) | 2)
- || (pc | 3) == (read_cp15_reg (14, 0, 9) | 2))
- {
- if (XScale_debug_moe (state, ARMul_CP14_R10_MOE_IB))
- ARMul_OSHandleSWI (state, SWI_Breakpoint);
- }
- }
-
- /* Actual execution of instructions begins here. */
- /* If the condition codes don't match, stop here. */
- if (temp)
- {
- mainswitch:
-
- if (state->is_XScale)
- {
- if (BIT (20) == 0 && BITS (25, 27) == 0)
- {
- if (BITS (4, 7) == 0xD)
- {
- /* XScale Load Consecutive insn. */
- ARMword temp = GetLS7RHS (state, instr);
- ARMword temp2 = BIT (23) ? LHS + temp : LHS - temp;
- ARMword addr = BIT (24) ? temp2 : LHS;
-
- if (BIT (12))
- ARMul_UndefInstr (state, instr);
- else if (addr & 7)
- /* Alignment violation. */
- ARMul_Abort (state, ARMul_DataAbortV);
- else
- {
- int wb = BIT (21) || (! BIT (24));
-
- state->Reg[BITS (12, 15)] =
- ARMul_LoadWordN (state, addr);
- state->Reg[BITS (12, 15) + 1] =
- ARMul_LoadWordN (state, addr + 4);
- if (wb)
- LSBase = temp2;
- }
-
- goto donext;
- }
- else if (BITS (4, 7) == 0xF)
- {
- /* XScale Store Consecutive insn. */
- ARMword temp = GetLS7RHS (state, instr);
- ARMword temp2 = BIT (23) ? LHS + temp : LHS - temp;
- ARMword addr = BIT (24) ? temp2 : LHS;
-
- if (BIT (12))
- ARMul_UndefInstr (state, instr);
- else if (addr & 7)
- /* Alignment violation. */
- ARMul_Abort (state, ARMul_DataAbortV);
- else
- {
- ARMul_StoreWordN (state, addr,
- state->Reg[BITS (12, 15)]);
- ARMul_StoreWordN (state, addr + 4,
- state->Reg[BITS (12, 15) + 1]);
-
- if (BIT (21)|| ! BIT (24))
- LSBase = temp2;
- }
-
- goto donext;
- }
- }
- }
-
- switch ((int) BITS (20, 27))
- {
- /* Data Processing Register RHS Instructions. */
-
- case 0x00: /* AND reg and MUL */
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, no write-back, down, post indexed. */
- SHDOWNWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- if (BITS (4, 7) == 9)
- {
- /* MUL */
- rhs = state->Reg[MULRHSReg];
- if (MULLHSReg == MULDESTReg)
- {
- UNDEF_MULDestEQOp1;
- state->Reg[MULDESTReg] = 0;
- }
- else if (MULDESTReg != 15)
- state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs;
- else
- UNDEF_MULPCDest;
-
- for (dest = 0, temp = 0; dest < 32; dest ++)
- if (rhs & (1L << dest))
- temp = dest;
-
- /* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
- }
- else
- {
- /* AND reg. */
- rhs = DPRegRHS;
- dest = LHS & rhs;
- WRITEDEST (dest);
- }
- break;
-
- case 0x01: /* ANDS reg and MULS */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, down, post indexed. */
- LHPOSTDOWN ();
- /* Fall through to rest of decoding. */
-#endif
- if (BITS (4, 7) == 9)
- {
- /* MULS */
- rhs = state->Reg[MULRHSReg];
-
- if (MULLHSReg == MULDESTReg)
- {
- UNDEF_MULDestEQOp1;
- state->Reg[MULDESTReg] = 0;
- CLEARN;
- SETZ;
- }
- else if (MULDESTReg != 15)
- {
- dest = state->Reg[MULLHSReg] * rhs;
- ARMul_NegZero (state, dest);
- state->Reg[MULDESTReg] = dest;
- }
- else
- UNDEF_MULPCDest;
-
- for (dest = 0, temp = 0; dest < 32; dest ++)
- if (rhs & (1L << dest))
- temp = dest;
-
- /* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
- }
- else
- {
- /* ANDS reg. */
- rhs = DPSRegRHS;
- dest = LHS & rhs;
- WRITESDEST (dest);
- }
- break;
-
- case 0x02: /* EOR reg and MLA */
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, write-back, down, post indexed. */
- SHDOWNWB ();
- break;
- }
-#endif
- if (BITS (4, 7) == 9)
- { /* MLA */
- rhs = state->Reg[MULRHSReg];
- if (MULLHSReg == MULDESTReg)
- {
- UNDEF_MULDestEQOp1;
- state->Reg[MULDESTReg] = state->Reg[MULACCReg];
- }
- else if (MULDESTReg != 15)
- state->Reg[MULDESTReg] =
- state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg];
- else
- UNDEF_MULPCDest;
-
- for (dest = 0, temp = 0; dest < 32; dest ++)
- if (rhs & (1L << dest))
- temp = dest;
-
- /* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
- }
- else
- {
- rhs = DPRegRHS;
- dest = LHS ^ rhs;
- WRITEDEST (dest);
- }
- break;
-
- case 0x03: /* EORS reg and MLAS */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, down, post-indexed. */
- LHPOSTDOWN ();
- /* Fall through to rest of the decoding. */
-#endif
- if (BITS (4, 7) == 9)
- {
- /* MLAS */
- rhs = state->Reg[MULRHSReg];
-
- if (MULLHSReg == MULDESTReg)
- {
- UNDEF_MULDestEQOp1;
- dest = state->Reg[MULACCReg];
- ARMul_NegZero (state, dest);
- state->Reg[MULDESTReg] = dest;
- }
- else if (MULDESTReg != 15)
- {
- dest =
- state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg];
- ARMul_NegZero (state, dest);
- state->Reg[MULDESTReg] = dest;
- }
- else
- UNDEF_MULPCDest;
-
- for (dest = 0, temp = 0; dest < 32; dest ++)
- if (rhs & (1L << dest))
- temp = dest;
-
- /* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
- }
- else
- {
- /* EORS Reg. */
- rhs = DPSRegRHS;
- dest = LHS ^ rhs;
- WRITESDEST (dest);
- }
- break;
-
- case 0x04: /* SUB reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, no write-back, down, post indexed. */
- SHDOWNWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS - rhs;
- WRITEDEST (dest);
- break;
-
- case 0x05: /* SUBS reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, down, post indexed. */
- LHPOSTDOWN ();
- /* Fall through to the rest of the instruction decoding. */
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs - rhs;
-
- if ((lhs >= rhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, lhs, rhs, dest);
- ARMul_SubOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x06: /* RSB reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, write-back, down, post indexed. */
- SHDOWNWB ();
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = rhs - LHS;
- WRITEDEST (dest);
- break;
-
- case 0x07: /* RSBS reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, down, post indexed. */
- LHPOSTDOWN ();
- /* Fall through to remainder of instruction decoding. */
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = rhs - lhs;
-
- if ((rhs >= lhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, rhs, lhs, dest);
- ARMul_SubOverflow (state, rhs, lhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x08: /* ADD reg */
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, no write-back, up, post indexed. */
- SHUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
-#ifdef MODET
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32 = 64 */
- ARMul_Icycles (state,
- Multiply64 (state, instr, LUNSIGNED,
- LDEFAULT), 0L);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS + rhs;
- WRITEDEST (dest);
- break;
-
- case 0x09: /* ADDS reg */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, up, post indexed. */
- LHPOSTUP ();
- /* Fall through to remaining instruction decoding. */
-#endif
-#ifdef MODET
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- Multiply64 (state, instr, LUNSIGNED, LSCC),
- 0L);
- break;
- }
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30)
- {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs, dest);
- ARMul_AddOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x0a: /* ADC reg */
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, write-back, up, post-indexed. */
- SHUPWB ();
- break;
- }
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state, instr, LUNSIGNED,
- LDEFAULT), 0L);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS + rhs + CFLAG;
- WRITEDEST (dest);
- break;
-
- case 0x0b: /* ADCS reg */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, up, post indexed. */
- LHPOSTUP ();
- /* Fall through to remaining instruction decoding. */
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state, instr, LUNSIGNED,
- LSCC), 0L);
- break;
- }
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs + rhs + CFLAG;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30)
- {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs, dest);
- ARMul_AddOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x0c: /* SBC reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, no write-back, up post indexed. */
- SHUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- Multiply64 (state, instr, LSIGNED, LDEFAULT),
- 0L);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS - rhs - !CFLAG;
- WRITEDEST (dest);
- break;
-
- case 0x0d: /* SBCS reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, up, post indexed. */
- LHPOSTUP ();
-
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- Multiply64 (state, instr, LSIGNED, LSCC),
- 0L);
- break;
- }
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs - rhs - !CFLAG;
- if ((lhs >= rhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, lhs, rhs, dest);
- ARMul_SubOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x0e: /* RSC reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, write-back, up, post indexed. */
- SHUPWB ();
- break;
- }
-
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state, instr, LSIGNED,
- LDEFAULT), 0L);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = rhs - LHS - !CFLAG;
- WRITEDEST (dest);
- break;
-
- case 0x0f: /* RSCS reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, up, post indexed. */
- LHPOSTUP ();
- /* Fall through to remaining instruction decoding. */
-
- if (BITS (4, 7) == 0x9)
- {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state, instr, LSIGNED, LSCC),
- 0L);
- break;
- }
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = rhs - lhs - !CFLAG;
-
- if ((rhs >= lhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, rhs, lhs, dest);
- ARMul_SubOverflow (state, rhs, lhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x10: /* TST reg and MRS CPSR and SWP word. */
- if (state->is_v5e)
- {
- if (BIT (4) == 0 && BIT (7) == 1)
- {
- /* ElSegundo SMLAxy insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- ARMword op2 = state->Reg[BITS (8, 11)];
- ARMword Rn = state->Reg[BITS (12, 15)];
-
- if (BIT (5))
- op1 >>= 16;
- if (BIT (6))
- op2 >>= 16;
- op1 &= 0xFFFF;
- op2 &= 0xFFFF;
- if (op1 & 0x8000)
- op1 -= 65536;
- if (op2 & 0x8000)
- op2 -= 65536;
- op1 *= op2;
-
- if (AddOverflow (op1, Rn, op1 + Rn))
- SETS;
- state->Reg[BITS (16, 19)] = op1 + Rn;
- break;
- }
-
- if (BITS (4, 11) == 5)
- {
- /* ElSegundo QADD insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- ARMword op2 = state->Reg[BITS (16, 19)];
- ARMword result = op1 + op2;
- if (AddOverflow (op1, op2, result))
- {
- result = POS (result) ? 0x80000000 : 0x7fffffff;
- SETS;
- }
- state->Reg[BITS (12, 15)] = result;
- break;
- }
- }
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, no write-back, down, pre indexed. */
- SHPREDOWN ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- if (BITS (4, 11) == 9)
- {
- /* SWP */
- UNDEF_SWPPC;
- temp = LHS;
- BUSUSEDINCPCS;
-#ifndef MODE32
- if (VECTORACCESS (temp) || ADDREXCEPT (temp))
- {
- INTERNALABORT (temp);
- (void) ARMul_LoadWordN (state, temp);
- (void) ARMul_LoadWordN (state, temp);
- }
- else
-#endif
- dest = ARMul_SwapWord (state, temp, state->Reg[RHSReg]);
- if (temp & 3)
- DEST = ARMul_Align (state, temp, dest);
- else
- DEST = dest;
- if (state->abortSig || state->Aborted)
- TAKEABORT;
- }
- else if ((BITS (0, 11) == 0) && (LHSReg == 15))
- { /* MRS CPSR */
- UNDEF_MRSPC;
- DEST = ECC | EINT | EMODE;
- }
- else
- {
- UNDEF_Test;
- }
- break;
-
- case 0x11: /* TSTP reg */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, down, pre indexed. */
- LHPREDOWN ();
- /* Continue with remaining instruction decode. */
-#endif
- if (DESTReg == 15)
- {
- /* TSTP reg */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- rhs = DPRegRHS;
- temp = LHS & rhs;
- SETR15PSR (temp);
-#endif
- }
- else
- {
- /* TST reg */
- rhs = DPSRegRHS;
- dest = LHS & rhs;
- ARMul_NegZero (state, dest);
- }
- break;
-
- case 0x12: /* TEQ reg and MSR reg to CPSR (ARM6). */
- if (state->is_v5)
- {
- if (BITS (4, 7) == 3)
- {
- /* BLX(2) */
- ARMword temp;
-
- if (TFLAG)
- temp = (pc + 2) | 1;
- else
- temp = pc + 4;
-
- WriteR15Branch (state, state->Reg[RHSReg]);
- state->Reg[14] = temp;
- break;
- }
- }
-
- if (state->is_v5e)
- {
- if (BIT (4) == 0 && BIT (7) == 1
- && (BIT (5) == 0 || BITS (12, 15) == 0))
- {
- /* ElSegundo SMLAWy/SMULWy insn. */
- unsigned long long op1 = state->Reg[BITS (0, 3)];
- unsigned long long op2 = state->Reg[BITS (8, 11)];
- unsigned long long result;
-
- if (BIT (6))
- op2 >>= 16;
- if (op1 & 0x80000000)
- op1 -= 1ULL << 32;
- op2 &= 0xFFFF;
- if (op2 & 0x8000)
- op2 -= 65536;
- result = (op1 * op2) >> 16;
-
- if (BIT (5) == 0)
- {
- ARMword Rn = state->Reg[BITS (12, 15)];
-
- if (AddOverflow (result, Rn, result + Rn))
- SETS;
- result += Rn;
- }
- state->Reg[BITS (16, 19)] = result;
- break;
- }
-
- if (BITS (4, 11) == 5)
- {
- /* ElSegundo QSUB insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- ARMword op2 = state->Reg[BITS (16, 19)];
- ARMword result = op1 - op2;
-
- if (SubOverflow (op1, op2, result))
- {
- result = POS (result) ? 0x80000000 : 0x7fffffff;
- SETS;
- }
-
- state->Reg[BITS (12, 15)] = result;
- break;
- }
- }
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, write-back, down, pre indexed. */
- SHPREDOWNWB ();
- break;
- }
- if (BITS (4, 27) == 0x12FFF1)
- {
- /* BX */
- WriteR15Branch (state, state->Reg[RHSReg]);
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- if (state->is_v5)
- {
- if (BITS (4, 7) == 0x7)
- {
- ARMword value;
- extern int SWI_vector_installed;
-
- /* Hardware is allowed to optionally override this
- instruction and treat it as a breakpoint. Since
- this is a simulator not hardware, we take the position
- that if a SWI vector was not installed, then an Abort
- vector was probably not installed either, and so
- normally this instruction would be ignored, even if an
- Abort is generated. This is a bad thing, since GDB
- uses this instruction for its breakpoints (at least in
- Thumb mode it does). So intercept the instruction here
- and generate a breakpoint SWI instead. */
- if (! SWI_vector_installed)
- ARMul_OSHandleSWI (state, SWI_Breakpoint);
- else
- {
- /* BKPT - normally this will cause an abort, but on the
- XScale we must check the DCSR. */
- XScale_set_fsr_far (state, ARMul_CP15_R5_MMU_EXCPT, pc);
- if (!XScale_debug_moe (state, ARMul_CP14_R10_MOE_BT))
- break;
- }
-
- /* Force the next instruction to be refetched. */
- state->NextInstr = RESUME;
- break;
- }
- }
- if (DESTReg == 15)
- {
- /* MSR reg to CPSR. */
- UNDEF_MSRPC;
- temp = DPRegRHS;
-#ifdef MODET
- /* Don't allow TBIT to be set by MSR. */
- temp &= ~ TBIT;
-#endif
- ARMul_FixCPSR (state, instr, temp);
- }
- else
- UNDEF_Test;
-
- break;
-
- case 0x13: /* TEQP reg */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, down, pre indexed. */
- LHPREDOWNWB ();
- /* Continue with remaining instruction decode. */
-#endif
- if (DESTReg == 15)
- {
- /* TEQP reg */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- rhs = DPRegRHS;
- temp = LHS ^ rhs;
- SETR15PSR (temp);
-#endif
- }
- else
- {
- /* TEQ Reg. */
- rhs = DPSRegRHS;
- dest = LHS ^ rhs;
- ARMul_NegZero (state, dest);
- }
- break;
-
- case 0x14: /* CMP reg and MRS SPSR and SWP byte. */
- if (state->is_v5e)
- {
- if (BIT (4) == 0 && BIT (7) == 1)
- {
- /* ElSegundo SMLALxy insn. */
- unsigned long long op1 = state->Reg[BITS (0, 3)];
- unsigned long long op2 = state->Reg[BITS (8, 11)];
- unsigned long long dest;
- unsigned long long result;
-
- if (BIT (5))
- op1 >>= 16;
- if (BIT (6))
- op2 >>= 16;
- op1 &= 0xFFFF;
- if (op1 & 0x8000)
- op1 -= 65536;
- op2 &= 0xFFFF;
- if (op2 & 0x8000)
- op2 -= 65536;
-
- dest = (unsigned long long) state->Reg[BITS (16, 19)] << 32;
- dest |= state->Reg[BITS (12, 15)];
- dest += op1 * op2;
- state->Reg[BITS (12, 15)] = dest;
- state->Reg[BITS (16, 19)] = dest >> 32;
- break;
- }
-
- if (BITS (4, 11) == 5)
- {
- /* ElSegundo QDADD insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- ARMword op2 = state->Reg[BITS (16, 19)];
- ARMword op2d = op2 + op2;
- ARMword result;
-
- if (AddOverflow (op2, op2, op2d))
- {
- SETS;
- op2d = POS (op2d) ? 0x80000000 : 0x7fffffff;
- }
-
- result = op1 + op2d;
- if (AddOverflow (op1, op2d, result))
- {
- SETS;
- result = POS (result) ? 0x80000000 : 0x7fffffff;
- }
-
- state->Reg[BITS (12, 15)] = result;
- break;
- }
- }
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, no write-back, down, pre indexed. */
- SHPREDOWN ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- if (BITS (4, 11) == 9)
- {
- /* SWP */
- UNDEF_SWPPC;
- temp = LHS;
- BUSUSEDINCPCS;
-#ifndef MODE32
- if (VECTORACCESS (temp) || ADDREXCEPT (temp))
- {
- INTERNALABORT (temp);
- (void) ARMul_LoadByte (state, temp);
- (void) ARMul_LoadByte (state, temp);
- }
- else
-#endif
- DEST = ARMul_SwapByte (state, temp, state->Reg[RHSReg]);
- if (state->abortSig || state->Aborted)
- TAKEABORT;
- }
- else if ((BITS (0, 11) == 0) && (LHSReg == 15))
- {
- /* MRS SPSR */
- UNDEF_MRSPC;
- DEST = GETSPSR (state->Bank);
- }
- else
- UNDEF_Test;
-
- break;
-
- case 0x15: /* CMPP reg. */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, down, pre indexed. */
- LHPREDOWN ();
- /* Continue with remaining instruction decode. */
-#endif
- if (DESTReg == 15)
- {
- /* CMPP reg. */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- rhs = DPRegRHS;
- temp = LHS - rhs;
- SETR15PSR (temp);
-#endif
- }
- else
- {
- /* CMP reg. */
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs - rhs;
- ARMul_NegZero (state, dest);
- if ((lhs >= rhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, lhs, rhs, dest);
- ARMul_SubOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- }
- break;
-
- case 0x16: /* CMN reg and MSR reg to SPSR */
- if (state->is_v5e)
- {
- if (BIT (4) == 0 && BIT (7) == 1 && BITS (12, 15) == 0)
- {
- /* ElSegundo SMULxy insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- ARMword op2 = state->Reg[BITS (8, 11)];
- ARMword Rn = state->Reg[BITS (12, 15)];
-
- if (BIT (5))
- op1 >>= 16;
- if (BIT (6))
- op2 >>= 16;
- op1 &= 0xFFFF;
- op2 &= 0xFFFF;
- if (op1 & 0x8000)
- op1 -= 65536;
- if (op2 & 0x8000)
- op2 -= 65536;
-
- state->Reg[BITS (16, 19)] = op1 * op2;
- break;
- }
-
- if (BITS (4, 11) == 5)
- {
- /* ElSegundo QDSUB insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- ARMword op2 = state->Reg[BITS (16, 19)];
- ARMword op2d = op2 + op2;
- ARMword result;
-
- if (AddOverflow (op2, op2, op2d))
- {
- SETS;
- op2d = POS (op2d) ? 0x80000000 : 0x7fffffff;
- }
-
- result = op1 - op2d;
- if (SubOverflow (op1, op2d, result))
- {
- SETS;
- result = POS (result) ? 0x80000000 : 0x7fffffff;
- }
-
- state->Reg[BITS (12, 15)] = result;
- break;
- }
- }
-
- if (state->is_v5)
- {
- if (BITS (4, 11) == 0xF1 && BITS (16, 19) == 0xF)
- {
- /* ARM5 CLZ insn. */
- ARMword op1 = state->Reg[BITS (0, 3)];
- int result = 32;
-
- if (op1)
- for (result = 0; (op1 & 0x80000000) == 0; op1 <<= 1)
- result++;
-
- state->Reg[BITS (12, 15)] = result;
- break;
- }
- }
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, write-back, down, pre indexed. */
- SHPREDOWNWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- if (DESTReg == 15)
- {
- /* MSR */
- UNDEF_MSRPC;
- ARMul_FixSPSR (state, instr, DPRegRHS);
- }
- else
- {
- UNDEF_Test;
- }
- break;
-
- case 0x17: /* CMNP reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, down, pre indexed. */
- LHPREDOWNWB ();
- /* Continue with remaining instruction decoding. */
-#endif
- if (DESTReg == 15)
- {
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- rhs = DPRegRHS;
- temp = LHS + rhs;
- SETR15PSR (temp);
-#endif
- break;
- }
- else
- {
- /* CMN reg. */
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30)
- {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs, dest);
- ARMul_AddOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- }
- break;
-
- case 0x18: /* ORR reg */
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, no write-back, up, pre indexed. */
- SHPREUP ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS | rhs;
- WRITEDEST (dest);
- break;
-
- case 0x19: /* ORRS reg */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, up, pre indexed. */
- LHPREUP ();
- /* Continue with remaining instruction decoding. */
-#endif
- rhs = DPSRegRHS;
- dest = LHS | rhs;
- WRITESDEST (dest);
- break;
-
- case 0x1a: /* MOV reg */
-#ifdef MODET
- if (BITS (4, 11) == 0xB)
- {
- /* STRH register offset, write-back, up, pre indexed. */
- SHPREUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- dest = DPRegRHS;
- WRITEDEST (dest);
- break;
-
- case 0x1b: /* MOVS reg */
-#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, up, pre indexed. */
- LHPREUPWB ();
- /* Continue with remaining instruction decoding. */
-#endif
- dest = DPSRegRHS;
- WRITESDEST (dest);
- break;
-
- case 0x1c: /* BIC reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, no write-back, up, pre indexed. */
- SHPREUP ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- else if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS & ~rhs;
- WRITEDEST (dest);
- break;
-
- case 0x1d: /* BICS reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, up, pre indexed. */
- LHPREUP ();
- /* Continue with instruction decoding. */
-#endif
- rhs = DPSRegRHS;
- dest = LHS & ~rhs;
- WRITESDEST (dest);
- break;
-
- case 0x1e: /* MVN reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB)
- {
- /* STRH immediate offset, write-back, up, pre indexed. */
- SHPREUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD)
- {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF)
- {
- Handle_Store_Double (state, instr);
- break;
- }
-#endif
- dest = ~DPRegRHS;
- WRITEDEST (dest);
- break;
-
- case 0x1f: /* MVNS reg */
-#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, up, pre indexed. */
- LHPREUPWB ();
- /* Continue instruction decoding. */
-#endif
- dest = ~DPSRegRHS;
- WRITESDEST (dest);
- break;
-
-
- /* Data Processing Immediate RHS Instructions. */
-
- case 0x20: /* AND immed */
- dest = LHS & DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x21: /* ANDS immed */
- DPSImmRHS;
- dest = LHS & rhs;
- WRITESDEST (dest);
- break;
-
- case 0x22: /* EOR immed */
- dest = LHS ^ DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x23: /* EORS immed */
- DPSImmRHS;
- dest = LHS ^ rhs;
- WRITESDEST (dest);
- break;
-
- case 0x24: /* SUB immed */
- dest = LHS - DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x25: /* SUBS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs - rhs;
-
- if ((lhs >= rhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, lhs, rhs, dest);
- ARMul_SubOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x26: /* RSB immed */
- dest = DPImmRHS - LHS;
- WRITEDEST (dest);
- break;
-
- case 0x27: /* RSBS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = rhs - lhs;
-
- if ((rhs >= lhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, rhs, lhs, dest);
- ARMul_SubOverflow (state, rhs, lhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x28: /* ADD immed */
- dest = LHS + DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x29: /* ADDS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
-
- if ((lhs | rhs) >> 30)
- {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs, dest);
- ARMul_AddOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x2a: /* ADC immed */
- dest = LHS + DPImmRHS + CFLAG;
- WRITEDEST (dest);
- break;
-
- case 0x2b: /* ADCS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs + rhs + CFLAG;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30)
- {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs, dest);
- ARMul_AddOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x2c: /* SBC immed */
- dest = LHS - DPImmRHS - !CFLAG;
- WRITEDEST (dest);
- break;
-
- case 0x2d: /* SBCS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs - rhs - !CFLAG;
- if ((lhs >= rhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, lhs, rhs, dest);
- ARMul_SubOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x2e: /* RSC immed */
- dest = DPImmRHS - LHS - !CFLAG;
- WRITEDEST (dest);
- break;
-
- case 0x2f: /* RSCS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = rhs - lhs - !CFLAG;
- if ((rhs >= lhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, rhs, lhs, dest);
- ARMul_SubOverflow (state, rhs, lhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x30: /* TST immed */
- UNDEF_Test;
- break;
-
- case 0x31: /* TSTP immed */
- if (DESTReg == 15)
- {
- /* TSTP immed. */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- temp = LHS & DPImmRHS;
- SETR15PSR (temp);
-#endif
- }
- else
- {
- /* TST immed. */
- DPSImmRHS;
- dest = LHS & rhs;
- ARMul_NegZero (state, dest);
- }
- break;
-
- case 0x32: /* TEQ immed and MSR immed to CPSR */
- if (DESTReg == 15)
- /* MSR immed to CPSR. */
- ARMul_FixCPSR (state, instr, DPImmRHS);
- else
- UNDEF_Test;
- break;
-
- case 0x33: /* TEQP immed */
- if (DESTReg == 15)
- {
- /* TEQP immed. */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- temp = LHS ^ DPImmRHS;
- SETR15PSR (temp);
-#endif
- }
- else
- {
- DPSImmRHS; /* TEQ immed */
- dest = LHS ^ rhs;
- ARMul_NegZero (state, dest);
- }
- break;
-
- case 0x34: /* CMP immed */
- UNDEF_Test;
- break;
-
- case 0x35: /* CMPP immed */
- if (DESTReg == 15)
- {
- /* CMPP immed. */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- temp = LHS - DPImmRHS;
- SETR15PSR (temp);
-#endif
- break;
- }
- else
- {
- /* CMP immed. */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs - rhs;
- ARMul_NegZero (state, dest);
-
- if ((lhs >= rhs) || ((rhs | lhs) >> 31))
- {
- ARMul_SubCarry (state, lhs, rhs, dest);
- ARMul_SubOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARC;
- CLEARV;
- }
- }
- break;
-
- case 0x36: /* CMN immed and MSR immed to SPSR */
- if (DESTReg == 15)
- ARMul_FixSPSR (state, instr, DPImmRHS);
- else
- UNDEF_Test;
- break;
-
- case 0x37: /* CMNP immed. */
- if (DESTReg == 15)
- {
- /* CMNP immed. */
-#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
-#else
- temp = LHS + DPImmRHS;
- SETR15PSR (temp);
-#endif
- break;
- }
- else
- {
- /* CMN immed. */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30)
- {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs, dest);
- ARMul_AddOverflow (state, lhs, rhs, dest);
- }
- else
- {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- }
- break;
-
- case 0x38: /* ORR immed. */
- dest = LHS | DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x39: /* ORRS immed. */
- DPSImmRHS;
- dest = LHS | rhs;
- WRITESDEST (dest);
- break;
-
- case 0x3a: /* MOV immed. */
- dest = DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x3b: /* MOVS immed. */
- DPSImmRHS;
- WRITESDEST (rhs);
- break;
-
- case 0x3c: /* BIC immed. */
- dest = LHS & ~DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x3d: /* BICS immed. */
- DPSImmRHS;
- dest = LHS & ~rhs;
- WRITESDEST (dest);
- break;
-
- case 0x3e: /* MVN immed. */
- dest = ~DPImmRHS;
- WRITEDEST (dest);
- break;
-
- case 0x3f: /* MVNS immed. */
- DPSImmRHS;
- WRITESDEST (~rhs);
- break;
-
-
- /* Single Data Transfer Immediate RHS Instructions. */
-
- case 0x40: /* Store Word, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- break;
-
- case 0x41: /* Load Word, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- break;
-
- case 0x42: /* Store Word, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- temp = lhs - LSImmRHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = temp;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x43: /* Load Word, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x44: /* Store Byte, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- break;
-
- case 0x45: /* Load Byte, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs - LSImmRHS;
- break;
-
- case 0x46: /* Store Byte, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x47: /* Load Byte, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs - LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x48: /* Store Word, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- break;
-
- case 0x49: /* Load Word, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- break;
-
- case 0x4a: /* Store Word, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x4b: /* Load Word, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x4c: /* Store Byte, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- break;
-
- case 0x4d: /* Load Byte, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs + LSImmRHS;
- break;
-
- case 0x4e: /* Store Byte, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x4f: /* Load Byte, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs + LSImmRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
-
- case 0x50: /* Store Word, No WriteBack, Pre Dec, Immed. */
- (void) StoreWord (state, instr, LHS - LSImmRHS);
- break;
-
- case 0x51: /* Load Word, No WriteBack, Pre Dec, Immed. */
- (void) LoadWord (state, instr, LHS - LSImmRHS);
- break;
-
- case 0x52: /* Store Word, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x53: /* Load Word, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x54: /* Store Byte, No WriteBack, Pre Dec, Immed. */
- (void) StoreByte (state, instr, LHS - LSImmRHS);
- break;
-
- case 0x55: /* Load Byte, No WriteBack, Pre Dec, Immed. */
- (void) LoadByte (state, instr, LHS - LSImmRHS, LUNSIGNED);
- break;
-
- case 0x56: /* Store Byte, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x57: /* Load Byte, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
-
- case 0x58: /* Store Word, No WriteBack, Pre Inc, Immed. */
- (void) StoreWord (state, instr, LHS + LSImmRHS);
- break;
-
- case 0x59: /* Load Word, No WriteBack, Pre Inc, Immed. */
- (void) LoadWord (state, instr, LHS + LSImmRHS);
- break;
-
- case 0x5a: /* Store Word, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x5b: /* Load Word, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x5c: /* Store Byte, No WriteBack, Pre Inc, Immed. */
- (void) StoreByte (state, instr, LHS + LSImmRHS);
- break;
-
- case 0x5d: /* Load Byte, No WriteBack, Pre Inc, Immed. */
- (void) LoadByte (state, instr, LHS + LSImmRHS, LUNSIGNED);
- break;
-
- case 0x5e: /* Store Byte, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x5f: /* Load Byte, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
-
-
- /* Single Data Transfer Register RHS Instructions. */
-
- case 0x60: /* Store Word, No WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- break;
-
- case 0x61: /* Load Word, No WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- break;
-
- case 0x62: /* Store Word, WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x63: /* Load Word, WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x64: /* Store Byte, No WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- break;
-
- case 0x65: /* Load Byte, No WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- break;
-
- case 0x66: /* Store Byte, WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x67: /* Load Byte, WriteBack, Post Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x68: /* Store Word, No WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- break;
-
- case 0x69: /* Load Word, No WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- break;
-
- case 0x6a: /* Store Word, WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x6b: /* Load Word, WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x6c: /* Store Byte, No WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- break;
-
- case 0x6d: /* Load Byte, No WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- break;
-
- case 0x6e: /* Store Byte, WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
- case 0x6f: /* Load Byte, WriteBack, Post Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- break;
-
-
- case 0x70: /* Store Word, No WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) StoreWord (state, instr, LHS - LSRegRHS);
- break;
-
- case 0x71: /* Load Word, No WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) LoadWord (state, instr, LHS - LSRegRHS);
- break;
-
- case 0x72: /* Store Word, WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x73: /* Load Word, WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x74: /* Store Byte, No WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) StoreByte (state, instr, LHS - LSRegRHS);
- break;
-
- case 0x75: /* Load Byte, No WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) LoadByte (state, instr, LHS - LSRegRHS, LUNSIGNED);
- break;
-
- case 0x76: /* Store Byte, WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x77: /* Load Byte, WriteBack, Pre Dec, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
-
- case 0x78: /* Store Word, No WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) StoreWord (state, instr, LHS + LSRegRHS);
- break;
-
- case 0x79: /* Load Word, No WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) LoadWord (state, instr, LHS + LSRegRHS);
- break;
-
- case 0x7a: /* Store Word, WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x7b: /* Load Word, WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x7c: /* Store Byte, No WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) StoreByte (state, instr, LHS + LSRegRHS);
- break;
-
- case 0x7d: /* Load Byte, No WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- (void) LoadByte (state, instr, LHS + LSRegRHS, LUNSIGNED);
- break;
-
- case 0x7e: /* Store Byte, WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
-
- case 0x7f: /* Load Byte, WriteBack, Pre Inc, Reg. */
- if (BIT (4))
- {
- /* Check for the special breakpoint opcode.
- This value should correspond to the value defined
- as ARM_BE_BREAKPOINT in gdb/arm/tm-arm.h. */
- if (BITS (0, 19) == 0xfdefe)
- {
- if (!ARMul_OSHandleSWI (state, SWI_Breakpoint))
- ARMul_Abort (state, ARMul_SWIV);
- }
- else
- ARMul_UndefInstr (state, instr);
- break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
-
-
- /* Multiple Data Transfer Instructions. */
-
- case 0x80: /* Store, No WriteBack, Post Dec. */
- STOREMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
- break;
-
- case 0x81: /* Load, No WriteBack, Post Dec. */
- LOADMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
- break;
-
- case 0x82: /* Store, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- STOREMULT (instr, temp + 4L, temp);
- break;
-
- case 0x83: /* Load, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- LOADMULT (instr, temp + 4L, temp);
- break;
-
- case 0x84: /* Store, Flags, No WriteBack, Post Dec. */
- STORESMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
- break;
-
- case 0x85: /* Load, Flags, No WriteBack, Post Dec. */
- LOADSMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
- break;
-
- case 0x86: /* Store, Flags, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- STORESMULT (instr, temp + 4L, temp);
- break;
-
- case 0x87: /* Load, Flags, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- LOADSMULT (instr, temp + 4L, temp);
- break;
-
- case 0x88: /* Store, No WriteBack, Post Inc. */
- STOREMULT (instr, LSBase, 0L);
- break;
-
- case 0x89: /* Load, No WriteBack, Post Inc. */
- LOADMULT (instr, LSBase, 0L);
- break;
-
- case 0x8a: /* Store, WriteBack, Post Inc. */
- temp = LSBase;
- STOREMULT (instr, temp, temp + LSMNumRegs);
- break;
-
- case 0x8b: /* Load, WriteBack, Post Inc. */
- temp = LSBase;
- LOADMULT (instr, temp, temp + LSMNumRegs);
- break;
-
- case 0x8c: /* Store, Flags, No WriteBack, Post Inc. */
- STORESMULT (instr, LSBase, 0L);
- break;
-
- case 0x8d: /* Load, Flags, No WriteBack, Post Inc. */
- LOADSMULT (instr, LSBase, 0L);
- break;
-
- case 0x8e: /* Store, Flags, WriteBack, Post Inc. */
- temp = LSBase;
- STORESMULT (instr, temp, temp + LSMNumRegs);
- break;
-
- case 0x8f: /* Load, Flags, WriteBack, Post Inc. */
- temp = LSBase;
- LOADSMULT (instr, temp, temp + LSMNumRegs);
- break;
-
- case 0x90: /* Store, No WriteBack, Pre Dec. */
- STOREMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
-
- case 0x91: /* Load, No WriteBack, Pre Dec. */
- LOADMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
-
- case 0x92: /* Store, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- STOREMULT (instr, temp, temp);
- break;
-
- case 0x93: /* Load, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- LOADMULT (instr, temp, temp);
- break;
-
- case 0x94: /* Store, Flags, No WriteBack, Pre Dec. */
- STORESMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
-
- case 0x95: /* Load, Flags, No WriteBack, Pre Dec. */
- LOADSMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
-
- case 0x96: /* Store, Flags, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- STORESMULT (instr, temp, temp);
- break;
-
- case 0x97: /* Load, Flags, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- LOADSMULT (instr, temp, temp);
- break;
-
- case 0x98: /* Store, No WriteBack, Pre Inc. */
- STOREMULT (instr, LSBase + 4L, 0L);
- break;
-
- case 0x99: /* Load, No WriteBack, Pre Inc. */
- LOADMULT (instr, LSBase + 4L, 0L);
- break;
-
- case 0x9a: /* Store, WriteBack, Pre Inc. */
- temp = LSBase;
- STOREMULT (instr, temp + 4L, temp + LSMNumRegs);
- break;
-
- case 0x9b: /* Load, WriteBack, Pre Inc. */
- temp = LSBase;
- LOADMULT (instr, temp + 4L, temp + LSMNumRegs);
- break;
-
- case 0x9c: /* Store, Flags, No WriteBack, Pre Inc. */
- STORESMULT (instr, LSBase + 4L, 0L);
- break;
-
- case 0x9d: /* Load, Flags, No WriteBack, Pre Inc. */
- LOADSMULT (instr, LSBase + 4L, 0L);
- break;
-
- case 0x9e: /* Store, Flags, WriteBack, Pre Inc. */
- temp = LSBase;
- STORESMULT (instr, temp + 4L, temp + LSMNumRegs);
- break;
-
- case 0x9f: /* Load, Flags, WriteBack, Pre Inc. */
- temp = LSBase;
- LOADSMULT (instr, temp + 4L, temp + LSMNumRegs);
- break;
-
-
- /* Branch forward. */
- case 0xa0:
- case 0xa1:
- case 0xa2:
- case 0xa3:
- case 0xa4:
- case 0xa5:
- case 0xa6:
- case 0xa7:
- state->Reg[15] = pc + 8 + POSBRANCH;
- FLUSHPIPE;
- break;
-
-
- /* Branch backward. */
- case 0xa8:
- case 0xa9:
- case 0xaa:
- case 0xab:
- case 0xac:
- case 0xad:
- case 0xae:
- case 0xaf:
- state->Reg[15] = pc + 8 + NEGBRANCH;
- FLUSHPIPE;
- break;
-
-
- /* Branch and Link forward. */
- case 0xb0:
- case 0xb1:
- case 0xb2:
- case 0xb3:
- case 0xb4:
- case 0xb5:
- case 0xb6:
- case 0xb7:
- /* Put PC into Link. */
-#ifdef MODE32
- state->Reg[14] = pc + 4;
-#else
- state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE;
-#endif
- state->Reg[15] = pc + 8 + POSBRANCH;
- FLUSHPIPE;
- break;
-
-
- /* Branch and Link backward. */
- case 0xb8:
- case 0xb9:
- case 0xba:
- case 0xbb:
- case 0xbc:
- case 0xbd:
- case 0xbe:
- case 0xbf:
- /* Put PC into Link. */
-#ifdef MODE32
- state->Reg[14] = pc + 4;
-#else
- state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE;
-#endif
- state->Reg[15] = pc + 8 + NEGBRANCH;
- FLUSHPIPE;
- break;
-
-
- /* Co-Processor Data Transfers. */
- case 0xc4:
- if (state->is_v5)
- {
- /* Reading from R15 is UNPREDICTABLE. */
- if (BITS (12, 15) == 15 || BITS (16, 19) == 15)
- ARMul_UndefInstr (state, instr);
- /* Is access to coprocessor 0 allowed ? */
- else if (! CP_ACCESS_ALLOWED (state, CPNum))
- ARMul_UndefInstr (state, instr);
- /* Special treatment for XScale coprocessors. */
- else if (state->is_XScale)
- {
- /* Only opcode 0 is supported. */
- if (BITS (4, 7) != 0x00)
- ARMul_UndefInstr (state, instr);
- /* Only coporcessor 0 is supported. */
- else if (CPNum != 0x00)
- ARMul_UndefInstr (state, instr);
- /* Only accumulator 0 is supported. */
- else if (BITS (0, 3) != 0x00)
- ARMul_UndefInstr (state, instr);
- else
- {
- /* XScale MAR insn. Move two registers into accumulator. */
- state->Accumulator = state->Reg[BITS (12, 15)];
- state->Accumulator += (ARMdword) state->Reg[BITS (16, 19)] << 32;
- }
- }
- else
- /* FIXME: Not sure what to do for other v5 processors. */
- ARMul_UndefInstr (state, instr);
- break;
- }
- /* Drop through. */
-
- case 0xc0: /* Store , No WriteBack , Post Dec. */
- ARMul_STC (state, instr, LHS);
- break;
-
- case 0xc5:
- if (state->is_v5)
- {
- /* Writes to R15 are UNPREDICATABLE. */
- if (DESTReg == 15 || LHSReg == 15)
- ARMul_UndefInstr (state, instr);
- /* Is access to the coprocessor allowed ? */
- else if (! CP_ACCESS_ALLOWED (state, CPNum))
- ARMul_UndefInstr (state, instr);
- /* Special handling for XScale coprcoessors. */
- else if (state->is_XScale)
- {
- /* Only opcode 0 is supported. */
- if (BITS (4, 7) != 0x00)
- ARMul_UndefInstr (state, instr);
- /* Only coprocessor 0 is supported. */
- else if (CPNum != 0x00)
- ARMul_UndefInstr (state, instr);
- /* Only accumulator 0 is supported. */
- else if (BITS (0, 3) != 0x00)
- ARMul_UndefInstr (state, instr);
- else
- {
- /* XScale MRA insn. Move accumulator into two registers. */
- ARMword t1 = (state->Accumulator >> 32) & 255;
-
- if (t1 & 128)
- t1 -= 256;
-
- state->Reg[BITS (12, 15)] = state->Accumulator;
- state->Reg[BITS (16, 19)] = t1;
- break;
- }
- }
- else
- /* FIXME: Not sure what to do for other v5 processors. */
- ARMul_UndefInstr (state, instr);
- break;
- }
- /* Drop through. */
-
- case 0xc1: /* Load , No WriteBack , Post Dec. */
- ARMul_LDC (state, instr, LHS);
- break;
-
- case 0xc2:
- case 0xc6: /* Store , WriteBack , Post Dec. */
- lhs = LHS;
- state->Base = lhs - LSCOff;
- ARMul_STC (state, instr, lhs);
- break;
-
- case 0xc3:
- case 0xc7: /* Load , WriteBack , Post Dec. */
- lhs = LHS;
- state->Base = lhs - LSCOff;
- ARMul_LDC (state, instr, lhs);
- break;
-
- case 0xc8:
- case 0xcc: /* Store , No WriteBack , Post Inc. */
- ARMul_STC (state, instr, LHS);
- break;
-
- case 0xc9:
- case 0xcd: /* Load , No WriteBack , Post Inc. */
- ARMul_LDC (state, instr, LHS);
- break;
-
- case 0xca:
- case 0xce: /* Store , WriteBack , Post Inc. */
- lhs = LHS;
- state->Base = lhs + LSCOff;
- ARMul_STC (state, instr, LHS);
- break;
-
- case 0xcb:
- case 0xcf: /* Load , WriteBack , Post Inc. */
- lhs = LHS;
- state->Base = lhs + LSCOff;
- ARMul_LDC (state, instr, LHS);
- break;
-
- case 0xd0:
- case 0xd4: /* Store , No WriteBack , Pre Dec. */
- ARMul_STC (state, instr, LHS - LSCOff);
- break;
-
- case 0xd1:
- case 0xd5: /* Load , No WriteBack , Pre Dec. */
- ARMul_LDC (state, instr, LHS - LSCOff);
- break;
-
- case 0xd2:
- case 0xd6: /* Store , WriteBack , Pre Dec. */
- lhs = LHS - LSCOff;
- state->Base = lhs;
- ARMul_STC (state, instr, lhs);
- break;
-
- case 0xd3:
- case 0xd7: /* Load , WriteBack , Pre Dec. */
- lhs = LHS - LSCOff;
- state->Base = lhs;
- ARMul_LDC (state, instr, lhs);
- break;
-
- case 0xd8:
- case 0xdc: /* Store , No WriteBack , Pre Inc. */
- ARMul_STC (state, instr, LHS + LSCOff);
- break;
-
- case 0xd9:
- case 0xdd: /* Load , No WriteBack , Pre Inc. */
- ARMul_LDC (state, instr, LHS + LSCOff);
- break;
-
- case 0xda:
- case 0xde: /* Store , WriteBack , Pre Inc. */
- lhs = LHS + LSCOff;
- state->Base = lhs;
- ARMul_STC (state, instr, lhs);
- break;
-
- case 0xdb:
- case 0xdf: /* Load , WriteBack , Pre Inc. */
- lhs = LHS + LSCOff;
- state->Base = lhs;
- ARMul_LDC (state, instr, lhs);
- break;
-
-
- /* Co-Processor Register Transfers (MCR) and Data Ops. */
-
- case 0xe2:
- if (! CP_ACCESS_ALLOWED (state, CPNum))
- {
- ARMul_UndefInstr (state, instr);
- break;
- }
- if (state->is_XScale)
- switch (BITS (18, 19))
- {
- case 0x0:
- if (BITS (4, 11) == 1 && BITS (16, 17) == 0)
- {
- /* XScale MIA instruction. Signed multiplication of
- two 32 bit values and addition to 40 bit accumulator. */
- long long Rm = state->Reg[MULLHSReg];
- long long Rs = state->Reg[MULACCReg];
-
- if (Rm & (1 << 31))
- Rm -= 1ULL << 32;
- if (Rs & (1 << 31))
- Rs -= 1ULL << 32;
- state->Accumulator += Rm * Rs;
- goto donext;
- }
- break;
-
- case 0x2:
- if (BITS (4, 11) == 1 && BITS (16, 17) == 0)
- {
- /* XScale MIAPH instruction. */
- ARMword t1 = state->Reg[MULLHSReg] >> 16;
- ARMword t2 = state->Reg[MULACCReg] >> 16;
- ARMword t3 = state->Reg[MULLHSReg] & 0xffff;
- ARMword t4 = state->Reg[MULACCReg] & 0xffff;
- long long t5;
-
- if (t1 & (1 << 15))
- t1 -= 1 << 16;
- if (t2 & (1 << 15))
- t2 -= 1 << 16;
- if (t3 & (1 << 15))
- t3 -= 1 << 16;
- if (t4 & (1 << 15))
- t4 -= 1 << 16;
- t1 *= t2;
- t5 = t1;
- if (t5 & (1 << 31))
- t5 -= 1ULL << 32;
- state->Accumulator += t5;
- t3 *= t4;
- t5 = t3;
- if (t5 & (1 << 31))
- t5 -= 1ULL << 32;
- state->Accumulator += t5;
- goto donext;
- }
- break;
-
- case 0x3:
- if (BITS (4, 11) == 1)
- {
- /* XScale MIAxy instruction. */
- ARMword t1;
- ARMword t2;
- long long t5;
-
- if (BIT (17))
- t1 = state->Reg[MULLHSReg] >> 16;
- else
- t1 = state->Reg[MULLHSReg] & 0xffff;
-
- if (BIT (16))
- t2 = state->Reg[MULACCReg] >> 16;
- else
- t2 = state->Reg[MULACCReg] & 0xffff;
-
- if (t1 & (1 << 15))
- t1 -= 1 << 16;
- if (t2 & (1 << 15))
- t2 -= 1 << 16;
- t1 *= t2;
- t5 = t1;
- if (t5 & (1 << 31))
- t5 -= 1ULL << 32;
- state->Accumulator += t5;
- goto donext;
- }
- break;
-
- default:
- break;
- }
- /* Drop through. */
-
- case 0xe0:
- case 0xe4:
- case 0xe6:
- case 0xe8:
- case 0xea:
- case 0xec:
- case 0xee:
- if (BIT (4))
- {
- /* MCR. */
- if (DESTReg == 15)
- {
- UNDEF_MCRPC;
-#ifdef MODE32
- ARMul_MCR (state, instr, state->Reg[15] + isize);
-#else
- ARMul_MCR (state, instr, ECC | ER15INT | EMODE |
- ((state->Reg[15] + isize) & R15PCBITS));
-#endif
- }
- else
- ARMul_MCR (state, instr, DEST);
- }
- else
- /* CDP Part 1. */
- ARMul_CDP (state, instr);
- break;
-
-
- /* Co-Processor Register Transfers (MRC) and Data Ops. */
- case 0xe1:
- case 0xe3:
- case 0xe5:
- case 0xe7:
- case 0xe9:
- case 0xeb:
- case 0xed:
- case 0xef:
- if (BIT (4))
- {
- /* MRC */
- temp = ARMul_MRC (state, instr);
- if (DESTReg == 15)
- {
- ASSIGNN ((temp & NBIT) != 0);
- ASSIGNZ ((temp & ZBIT) != 0);
- ASSIGNC ((temp & CBIT) != 0);
- ASSIGNV ((temp & VBIT) != 0);
- }
- else
- DEST = temp;
- }
- else
- /* CDP Part 2. */
- ARMul_CDP (state, instr);
- break;
-
-
- /* SWI instruction. */
- case 0xf0:
- case 0xf1:
- case 0xf2:
- case 0xf3:
- case 0xf4:
- case 0xf5:
- case 0xf6:
- case 0xf7:
- case 0xf8:
- case 0xf9:
- case 0xfa:
- case 0xfb:
- case 0xfc:
- case 0xfd:
- case 0xfe:
- case 0xff:
- if (instr == ARMul_ABORTWORD && state->AbortAddr == pc)
- {
- /* A prefetch abort. */
- XScale_set_fsr_far (state, ARMul_CP15_R5_MMU_EXCPT, pc);
- ARMul_Abort (state, ARMul_PrefetchAbortV);
- break;
- }
-
- if (!ARMul_OSHandleSWI (state, BITS (0, 23)))
- ARMul_Abort (state, ARMul_SWIV);
-
- break;
- }
- }
-
-#ifdef MODET
- donext:
-#endif
-
-#ifdef NEED_UI_LOOP_HOOK
- if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0)
- {
- ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
- ui_loop_hook (0);
- }
-#endif /* NEED_UI_LOOP_HOOK */
-
- if (state->Emulate == ONCE)
- state->Emulate = STOP;
- /* If we have changed mode, allow the PC to advance before stopping. */
- else if (state->Emulate == CHANGEMODE)
- continue;
- else if (state->Emulate != RUN)
- break;
- }
- while (!stop_simulator);
-
- state->decoded = decoded;
- state->loaded = loaded;
- state->pc = pc;
-
- return pc;
-}
-
-/* This routine evaluates most Data Processing register RHS's with the S
- bit clear. It is intended to be called from the macro DPRegRHS, which
- filters the common case of an unshifted register with in line code. */
-
-static ARMword
-GetDPRegRHS (ARMul_State * state, ARMword instr)
-{
- ARMword shamt, base;
-
- base = RHSReg;
- if (BIT (4))
- {
- /* Shift amount in a register. */
- UNDEF_Shift;
- INCPC;
-#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
- ARMul_Icycles (state, 1, 0L);
- shamt = state->Reg[BITS (8, 11)] & 0xff;
- switch ((int) BITS (5, 6))
- {
- case LSL:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- return (0);
- else
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- return (0);
- else
- return (base >> shamt);
- case ASR:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- return ((ARMword) ((long int) base >> 31L));
- else
- return ((ARMword) ((long int) base >> (int) shamt));
- case ROR:
- shamt &= 0x1f;
- if (shamt == 0)
- return (base);
- else
- return ((base << (32 - shamt)) | (base >> shamt));
- }
- }
- else
- {
- /* Shift amount is a constant. */
-#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
- shamt = BITS (7, 11);
- switch ((int) BITS (5, 6))
- {
- case LSL:
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- return (0);
- else
- return (base >> shamt);
- case ASR:
- if (shamt == 0)
- return ((ARMword) ((long int) base >> 31L));
- else
- return ((ARMword) ((long int) base >> (int) shamt));
- case ROR:
- if (shamt == 0)
- /* It's an RRX. */
- return ((base >> 1) | (CFLAG << 31));
- else
- return ((base << (32 - shamt)) | (base >> shamt));
- }
- }
-
- return 0;
-}
-
-/* This routine evaluates most Logical Data Processing register RHS's
- with the S bit set. It is intended to be called from the macro
- DPSRegRHS, which filters the common case of an unshifted register
- with in line code. */
-
-static ARMword
-GetDPSRegRHS (ARMul_State * state, ARMword instr)
-{
- ARMword shamt, base;
-
- base = RHSReg;
- if (BIT (4))
- {
- /* Shift amount in a register. */
- UNDEF_Shift;
- INCPC;
-#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
- ARMul_Icycles (state, 1, 0L);
- shamt = state->Reg[BITS (8, 11)] & 0xff;
- switch ((int) BITS (5, 6))
- {
- case LSL:
- if (shamt == 0)
- return (base);
- else if (shamt == 32)
- {
- ASSIGNC (base & 1);
- return (0);
- }
- else if (shamt > 32)
- {
- CLEARC;
- return (0);
- }
- else
- {
- ASSIGNC ((base >> (32 - shamt)) & 1);
- return (base << shamt);
- }
- case LSR:
- if (shamt == 0)
- return (base);
- else if (shamt == 32)
- {
- ASSIGNC (base >> 31);
- return (0);
- }
- else if (shamt > 32)
- {
- CLEARC;
- return (0);
- }
- else
- {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return (base >> shamt);
- }
- case ASR:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- {
- ASSIGNC (base >> 31L);
- return ((ARMword) ((long int) base >> 31L));
- }
- else
- {
- ASSIGNC ((ARMword) ((long int) base >> (int) (shamt - 1)) & 1);
- return ((ARMword) ((long int) base >> (int) shamt));
- }
- case ROR:
- if (shamt == 0)
- return (base);
- shamt &= 0x1f;
- if (shamt == 0)
- {
- ASSIGNC (base >> 31);
- return (base);
- }
- else
- {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return ((base << (32 - shamt)) | (base >> shamt));
- }
- }
- }
- else
- {
- /* Shift amount is a constant. */
-#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
- shamt = BITS (7, 11);
-
- switch ((int) BITS (5, 6))
- {
- case LSL:
- ASSIGNC ((base >> (32 - shamt)) & 1);
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- {
- ASSIGNC (base >> 31);
- return (0);
- }
- else
- {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return (base >> shamt);
- }
- case ASR:
- if (shamt == 0)
- {
- ASSIGNC (base >> 31L);
- return ((ARMword) ((long int) base >> 31L));
- }
- else
- {
- ASSIGNC ((ARMword) ((long int) base >> (int) (shamt - 1)) & 1);
- return ((ARMword) ((long int) base >> (int) shamt));
- }
- case ROR:
- if (shamt == 0)
- {
- /* It's an RRX. */
- shamt = CFLAG;
- ASSIGNC (base & 1);
- return ((base >> 1) | (shamt << 31));
- }
- else
- {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return ((base << (32 - shamt)) | (base >> shamt));
- }
- }
- }
-
- return 0;
-}
-
-/* This routine handles writes to register 15 when the S bit is not set. */
-
-static void
-WriteR15 (ARMul_State * state, ARMword src)
-{
- /* The ARM documentation states that the two least significant bits
- are discarded when setting PC, except in the cases handled by
- WriteR15Branch() below. It's probably an oversight: in THUMB
- mode, the second least significant bit should probably not be
- discarded. */
-#ifdef MODET
- if (TFLAG)
- src &= 0xfffffffe;
- else
-#endif
- src &= 0xfffffffc;
-
-#ifdef MODE32
- state->Reg[15] = src & PCBITS;
-#else
- state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE;
- ARMul_R15Altered (state);
-#endif
-
- FLUSHPIPE;
-}
-
-/* This routine handles writes to register 15 when the S bit is set. */
-
-static void
-WriteSR15 (ARMul_State * state, ARMword src)
-{
-#ifdef MODE32
- if (state->Bank > 0)
- {
- state->Cpsr = state->Spsr[state->Bank];
- ARMul_CPSRAltered (state);
- }
-#ifdef MODET
- if (TFLAG)
- src &= 0xfffffffe;
- else
-#endif
- src &= 0xfffffffc;
- state->Reg[15] = src & PCBITS;
-#else
-#ifdef MODET
- if (TFLAG)
- /* ARMul_R15Altered would have to support it. */
- abort ();
- else
-#endif
- src &= 0xfffffffc;
-
- if (state->Bank == USERBANK)
- state->Reg[15] = (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE;
- else
- state->Reg[15] = src;
-
- ARMul_R15Altered (state);
-#endif
- FLUSHPIPE;
-}
-
-/* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM
- will switch to Thumb mode if the least significant bit is set. */
-
-static void
-WriteR15Branch (ARMul_State * state, ARMword src)
-{
-#ifdef MODET
- if (src & 1)
- {
- /* Thumb bit. */
- SETT;
- state->Reg[15] = src & 0xfffffffe;
- }
- else
- {
- CLEART;
- state->Reg[15] = src & 0xfffffffc;
- }
- FLUSHPIPE;
-#else
- WriteR15 (state, src);
-#endif
-}
-
-/* This routine evaluates most Load and Store register RHS's. It is
- intended to be called from the macro LSRegRHS, which filters the
- common case of an unshifted register with in line code. */
-
-static ARMword
-GetLSRegRHS (ARMul_State * state, ARMword instr)
-{
- ARMword shamt, base;
-
- base = RHSReg;
-#ifndef MODE32
- if (base == 15)
- /* Now forbidden, but ... */
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
-
- shamt = BITS (7, 11);
- switch ((int) BITS (5, 6))
- {
- case LSL:
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- return (0);
- else
- return (base >> shamt);
- case ASR:
- if (shamt == 0)
- return ((ARMword) ((long int) base >> 31L));
- else
- return ((ARMword) ((long int) base >> (int) shamt));
- case ROR:
- if (shamt == 0)
- /* It's an RRX. */
- return ((base >> 1) | (CFLAG << 31));
- else
- return ((base << (32 - shamt)) | (base >> shamt));
- default:
- break;
- }
- return 0;
-}
-
-/* This routine evaluates the ARM7T halfword and signed transfer RHS's. */
-
-static ARMword
-GetLS7RHS (ARMul_State * state, ARMword instr)
-{
- if (BIT (22) == 0)
- {
- /* Register. */
-#ifndef MODE32
- if (RHSReg == 15)
- /* Now forbidden, but ... */
- return ECC | ER15INT | R15PC | EMODE;
-#endif
- return state->Reg[RHSReg];
- }
-
- /* Immediate. */
- return BITS (0, 3) | (BITS (8, 11) << 4);
-}
-
-/* This function does the work of loading a word for a LDR instruction. */
-
-static unsigned
-LoadWord (ARMul_State * state, ARMword instr, ARMword address)
-{
- ARMword dest;
-
- BUSUSEDINCPCS;
-#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
-#endif
-
- dest = ARMul_LoadWordN (state, address);
-
- if (state->Aborted)
- {
- TAKEABORT;
- return state->lateabtSig;
- }
- if (address & 3)
- dest = ARMul_Align (state, address, dest);
- WRITEDESTB (dest);
- ARMul_Icycles (state, 1, 0L);
-
- return (DESTReg != LHSReg);
-}
-
-#ifdef MODET
-/* This function does the work of loading a halfword. */
-
-static unsigned
-LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address,
- int signextend)
-{
- ARMword dest;
-
- BUSUSEDINCPCS;
-#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
-#endif
- dest = ARMul_LoadHalfWord (state, address);
- if (state->Aborted)
- {
- TAKEABORT;
- return state->lateabtSig;
- }
- UNDEF_LSRBPC;
- if (signextend)
- if (dest & 1 << (16 - 1))
- dest = (dest & ((1 << 16) - 1)) - (1 << 16);
-
- WRITEDEST (dest);
- ARMul_Icycles (state, 1, 0L);
- return (DESTReg != LHSReg);
-}
-
-#endif /* MODET */
-
-/* This function does the work of loading a byte for a LDRB instruction. */
-
-static unsigned
-LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend)
-{
- ARMword dest;
-
- BUSUSEDINCPCS;
-#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
-#endif
- dest = ARMul_LoadByte (state, address);
- if (state->Aborted)
- {
- TAKEABORT;
- return state->lateabtSig;
- }
- UNDEF_LSRBPC;
- if (signextend)
- if (dest & 1 << (8 - 1))
- dest = (dest & ((1 << 8) - 1)) - (1 << 8);
-
- WRITEDEST (dest);
- ARMul_Icycles (state, 1, 0L);
-
- return (DESTReg != LHSReg);
-}
-
-/* This function does the work of loading two words for a LDRD instruction. */
-
-static void
-Handle_Load_Double (ARMul_State * state, ARMword instr)
-{
- ARMword dest_reg;
- ARMword addr_reg;
- ARMword write_back = BIT (21);
- ARMword immediate = BIT (22);
- ARMword add_to_base = BIT (23);
- ARMword pre_indexed = BIT (24);
- ARMword offset;
- ARMword addr;
- ARMword sum;
- ARMword base;
- ARMword value1;
- ARMword value2;
-
- BUSUSEDINCPCS;
-
- /* If the writeback bit is set, the pre-index bit must be clear. */
- if (write_back && ! pre_indexed)
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Extract the base address register. */
- addr_reg = LHSReg;
-
- /* Extract the destination register and check it. */
- dest_reg = DESTReg;
-
- /* Destination register must be even. */
- if ((dest_reg & 1)
- /* Destination register cannot be LR. */
- || (dest_reg == 14))
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Compute the base address. */
- base = state->Reg[addr_reg];
-
- /* Compute the offset. */
- offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->Reg[RHSReg];
-
- /* Compute the sum of the two. */
- if (add_to_base)
- sum = base + offset;
- else
- sum = base - offset;
-
- /* If this is a pre-indexed mode use the sum. */
- if (pre_indexed)
- addr = sum;
- else
- addr = base;
-
- /* The address must be aligned on a 8 byte boundary. */
- if (addr & 0x7)
- {
-#ifdef ABORTS
- ARMul_DATAABORT (addr);
-#else
- ARMul_UndefInstr (state, instr);
-#endif
- return;
- }
-
- /* For pre indexed or post indexed addressing modes,
- check that the destination registers do not overlap
- the address registers. */
- if ((! pre_indexed || write_back)
- && ( addr_reg == dest_reg
- || addr_reg == dest_reg + 1))
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Load the words. */
- value1 = ARMul_LoadWordN (state, addr);
- value2 = ARMul_LoadWordN (state, addr + 4);
-
- /* Check for data aborts. */
- if (state->Aborted)
- {
- TAKEABORT;
- return;
- }
-
- ARMul_Icycles (state, 2, 0L);
-
- /* Store the values. */
- state->Reg[dest_reg] = value1;
- state->Reg[dest_reg + 1] = value2;
-
- /* Do the post addressing and writeback. */
- if (! pre_indexed)
- addr = sum;
-
- if (! pre_indexed || write_back)
- state->Reg[addr_reg] = addr;
-}
-
-/* This function does the work of storing two words for a STRD instruction. */
-
-static void
-Handle_Store_Double (ARMul_State * state, ARMword instr)
-{
- ARMword src_reg;
- ARMword addr_reg;
- ARMword write_back = BIT (21);
- ARMword immediate = BIT (22);
- ARMword add_to_base = BIT (23);
- ARMword pre_indexed = BIT (24);
- ARMword offset;
- ARMword addr;
- ARMword sum;
- ARMword base;
-
- BUSUSEDINCPCS;
-
- /* If the writeback bit is set, the pre-index bit must be clear. */
- if (write_back && ! pre_indexed)
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Extract the base address register. */
- addr_reg = LHSReg;
-
- /* Base register cannot be PC. */
- if (addr_reg == 15)
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Extract the source register. */
- src_reg = DESTReg;
-
- /* Source register must be even. */
- if (src_reg & 1)
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Compute the base address. */
- base = state->Reg[addr_reg];
-
- /* Compute the offset. */
- offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->Reg[RHSReg];
-
- /* Compute the sum of the two. */
- if (add_to_base)
- sum = base + offset;
- else
- sum = base - offset;
-
- /* If this is a pre-indexed mode use the sum. */
- if (pre_indexed)
- addr = sum;
- else
- addr = base;
-
- /* The address must be aligned on a 8 byte boundary. */
- if (addr & 0x7)
- {
-#ifdef ABORTS
- ARMul_DATAABORT (addr);
-#else
- ARMul_UndefInstr (state, instr);
-#endif
- return;
- }
-
- /* For pre indexed or post indexed addressing modes,
- check that the destination registers do not overlap
- the address registers. */
- if ((! pre_indexed || write_back)
- && ( addr_reg == src_reg
- || addr_reg == src_reg + 1))
- {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- /* Load the words. */
- ARMul_StoreWordN (state, addr, state->Reg[src_reg]);
- ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]);
-
- if (state->Aborted)
- {
- TAKEABORT;
- return;
- }
-
- /* Do the post addressing and writeback. */
- if (! pre_indexed)
- addr = sum;
-
- if (! pre_indexed || write_back)
- state->Reg[addr_reg] = addr;
-}
-
-/* This function does the work of storing a word from a STR instruction. */
-
-static unsigned
-StoreWord (ARMul_State * state, ARMword instr, ARMword address)
-{
- BUSUSEDINCPCN;
-#ifndef MODE32
- if (DESTReg == 15)
- state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
-#endif
-#ifdef MODE32
- ARMul_StoreWordN (state, address, DEST);
-#else
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- {
- INTERNALABORT (address);
- (void) ARMul_LoadWordN (state, address);
- }
- else
- ARMul_StoreWordN (state, address, DEST);
-#endif
- if (state->Aborted)
- {
- TAKEABORT;
- return state->lateabtSig;
- }
- return TRUE;
-}
-
-#ifdef MODET
-/* This function does the work of storing a byte for a STRH instruction. */
-
-static unsigned
-StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address)
-{
- BUSUSEDINCPCN;
-
-#ifndef MODE32
- if (DESTReg == 15)
- state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
-#endif
-
-#ifdef MODE32
- ARMul_StoreHalfWord (state, address, DEST);
-#else
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- {
- INTERNALABORT (address);
- (void) ARMul_LoadHalfWord (state, address);
- }
- else
- ARMul_StoreHalfWord (state, address, DEST);
-#endif
-
- if (state->Aborted)
- {
- TAKEABORT;
- return state->lateabtSig;
- }
- return TRUE;
-}
-
-#endif /* MODET */
-
-/* This function does the work of storing a byte for a STRB instruction. */
-
-static unsigned
-StoreByte (ARMul_State * state, ARMword instr, ARMword address)
-{
- BUSUSEDINCPCN;
-#ifndef MODE32
- if (DESTReg == 15)
- state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
-#endif
-#ifdef MODE32
- ARMul_StoreByte (state, address, DEST);
-#else
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- {
- INTERNALABORT (address);
- (void) ARMul_LoadByte (state, address);
- }
- else
- ARMul_StoreByte (state, address, DEST);
-#endif
- if (state->Aborted)
- {
- TAKEABORT;
- return state->lateabtSig;
- }
- UNDEF_LSRBPC;
- return TRUE;
-}
-
-/* This function does the work of loading the registers listed in an LDM
- instruction, when the S bit is clear. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
-
-static void
-LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase)
-{
- ARMword dest, temp;
-
- UNDEF_LSMNoRegs;
- UNDEF_LSMPCBase;
- UNDEF_LSMBaseInListWb;
- BUSUSEDINCPCS;
-#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
-#endif
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-
- /* N cycle first. */
- for (temp = 0; !BIT (temp); temp++)
- ;
-
- dest = ARMul_LoadWordN (state, address);
-
- if (!state->abortSig && !state->Aborted)
- state->Reg[temp++] = dest;
- else if (!state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
-
- /* S cycles from here on. */
- for (; temp < 16; temp ++)
- if (BIT (temp))
- {
- /* Load this register. */
- address += 4;
- dest = ARMul_LoadWordS (state, address);
-
- if (!state->abortSig && !state->Aborted)
- state->Reg[temp] = dest;
- else if (!state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
- }
-
- if (BIT (15) && !state->Aborted)
- /* PC is in the reg list. */
- WriteR15Branch (state, PC);
-
- /* To write back the final register. */
- ARMul_Icycles (state, 1, 0L);
-
- if (state->Aborted)
- {
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
- TAKEABORT;
- }
-}
-
-/* This function does the work of loading the registers listed in an LDM
- instruction, when the S bit is set. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
-
-static void
-LoadSMult (ARMul_State * state,
- ARMword instr,
- ARMword address,
- ARMword WBBase)
-{
- ARMword dest, temp;
-
- UNDEF_LSMNoRegs;
- UNDEF_LSMPCBase;
- UNDEF_LSMBaseInListWb;
-
- BUSUSEDINCPCS;
-
-#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
-#endif
-
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-
- if (!BIT (15) && state->Bank != USERBANK)
- {
- /* Temporary reg bank switch. */
- (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
- UNDEF_LSMUserBankWb;
- }
-
- /* N cycle first. */
- for (temp = 0; !BIT (temp); temp ++)
- ;
-
- dest = ARMul_LoadWordN (state, address);
-
- if (!state->abortSig)
- state->Reg[temp++] = dest;
- else if (!state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
-
- /* S cycles from here on. */
- for (; temp < 16; temp++)
- if (BIT (temp))
- {
- /* Load this register. */
- address += 4;
- dest = ARMul_LoadWordS (state, address);
-
- if (!state->abortSig && !state->Aborted)
- state->Reg[temp] = dest;
- else if (!state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
- }
-
- if (BIT (15) && !state->Aborted)
- {
- /* PC is in the reg list. */
-#ifdef MODE32
- if (state->Mode != USER26MODE && state->Mode != USER32MODE)
- {
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
- }
-
- WriteR15 (state, PC);
-#else
- if (state->Mode == USER26MODE || state->Mode == USER32MODE)
- {
- /* Protect bits in user mode. */
- ASSIGNN ((state->Reg[15] & NBIT) != 0);
- ASSIGNZ ((state->Reg[15] & ZBIT) != 0);
- ASSIGNC ((state->Reg[15] & CBIT) != 0);
- ASSIGNV ((state->Reg[15] & VBIT) != 0);
- }
- else
- ARMul_R15Altered (state);
-
- FLUSHPIPE;
-#endif
- }
-
- if (!BIT (15) && state->Mode != USER26MODE && state->Mode != USER32MODE)
- /* Restore the correct bank. */
- (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);
-
- /* To write back the final register. */
- ARMul_Icycles (state, 1, 0L);
-
- if (state->Aborted)
- {
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-
- TAKEABORT;
- }
-}
-
-/* This function does the work of storing the registers listed in an STM
- instruction, when the S bit is clear. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
-
-static void
-StoreMult (ARMul_State * state,
- ARMword instr,
- ARMword address,
- ARMword WBBase)
-{
- ARMword temp;
-
- UNDEF_LSMNoRegs;
- UNDEF_LSMPCBase;
- UNDEF_LSMBaseInListWb;
-
- if (!TFLAG)
- /* N-cycle, increment the PC and update the NextInstr state. */
- BUSUSEDINCPCN;
-
-#ifndef MODE32
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- INTERNALABORT (address);
-
- if (BIT (15))
- PATCHR15;
-#endif
-
- /* N cycle first. */
- for (temp = 0; !BIT (temp); temp ++)
- ;
-
-#ifdef MODE32
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
-#else
- if (state->Aborted)
- {
- (void) ARMul_LoadWordN (state, address);
-
- /* Fake the Stores as Loads. */
- for (; temp < 16; temp++)
- if (BIT (temp))
- {
- /* Save this register. */
- address += 4;
- (void) ARMul_LoadWordS (state, address);
- }
-
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
- TAKEABORT;
- return;
- }
- else
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
-#endif
-
- if (state->abortSig && !state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
-
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-
- /* S cycles from here on. */
- for (; temp < 16; temp ++)
- if (BIT (temp))
- {
- /* Save this register. */
- address += 4;
-
- ARMul_StoreWordS (state, address, state->Reg[temp]);
-
- if (state->abortSig && !state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
- }
-
- if (state->Aborted)
- TAKEABORT;
-}
-
-/* This function does the work of storing the registers listed in an STM
- instruction when the S bit is set. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
-
-static void
-StoreSMult (ARMul_State * state,
- ARMword instr,
- ARMword address,
- ARMword WBBase)
-{
- ARMword temp;
-
- UNDEF_LSMNoRegs;
- UNDEF_LSMPCBase;
- UNDEF_LSMBaseInListWb;
-
- BUSUSEDINCPCN;
-
-#ifndef MODE32
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- INTERNALABORT (address);
-
- if (BIT (15))
- PATCHR15;
-#endif
-
- if (state->Bank != USERBANK)
- {
- /* Force User Bank. */
- (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
- UNDEF_LSMUserBankWb;
- }
-
- for (temp = 0; !BIT (temp); temp++)
- ; /* N cycle first. */
-
-#ifdef MODE32
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
-#else
- if (state->Aborted)
- {
- (void) ARMul_LoadWordN (state, address);
-
- for (; temp < 16; temp++)
- /* Fake the Stores as Loads. */
- if (BIT (temp))
- {
- /* Save this register. */
- address += 4;
-
- (void) ARMul_LoadWordS (state, address);
- }
-
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-
- TAKEABORT;
- return;
- }
- else
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
-#endif
-
- if (state->abortSig && !state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
-
- /* S cycles from here on. */
- for (; temp < 16; temp++)
- if (BIT (temp))
- {
- /* Save this register. */
- address += 4;
-
- ARMul_StoreWordS (state, address, state->Reg[temp]);
-
- if (state->abortSig && !state->Aborted)
- {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
- }
-
- if (state->Mode != USER26MODE && state->Mode != USER32MODE)
- /* Restore the correct bank. */
- (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);
-
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-
- if (state->Aborted)
- TAKEABORT;
-}
-
-/* This function does the work of adding two 32bit values
- together, and calculating if a carry has occurred. */
-
-static ARMword
-Add32 (ARMword a1, ARMword a2, int *carry)
-{
- ARMword result = (a1 + a2);
- unsigned int uresult = (unsigned int) result;
- unsigned int ua1 = (unsigned int) a1;
-
- /* If (result == RdLo) and (state->Reg[nRdLo] == 0),
- or (result > RdLo) then we have no carry. */
- if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1))
- *carry = 1;
- else
- *carry = 0;
-
- return result;
-}
-
-/* This function does the work of multiplying
- two 32bit values to give a 64bit result. */
-
-static unsigned
-Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc)
-{
- /* Operand register numbers. */
- int nRdHi, nRdLo, nRs, nRm;
- ARMword RdHi = 0, RdLo = 0, Rm;
- /* Cycle count. */
- int scount;
-
- nRdHi = BITS (16, 19);
- nRdLo = BITS (12, 15);
- nRs = BITS (8, 11);
- nRm = BITS (0, 3);
-
- /* Needed to calculate the cycle count. */
- Rm = state->Reg[nRm];
-
- /* Check for illegal operand combinations first. */
- if ( nRdHi != 15
- && nRdLo != 15
- && nRs != 15
- && nRm != 15
- && nRdHi != nRdLo
- && nRdHi != nRm
- && nRdLo != nRm)
- {
- /* Intermediate results. */
- ARMword lo, mid1, mid2, hi;
- int carry;
- ARMword Rs = state->Reg[nRs];
- int sign = 0;
-
- if (msigned)
- {
- /* Compute sign of result and adjust operands if necessary. */
- sign = (Rm ^ Rs) & 0x80000000;
-
- if (((signed long) Rm) < 0)
- Rm = -Rm;
-
- if (((signed long) Rs) < 0)
- Rs = -Rs;
- }
-
- /* We can split the 32x32 into four 16x16 operations. This
- ensures that we do not lose precision on 32bit only hosts. */
- lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF));
- mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
- mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF));
- hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
-
- /* We now need to add all of these results together, taking
- care to propogate the carries from the additions. */
- RdLo = Add32 (lo, (mid1 << 16), &carry);
- RdHi = carry;
- RdLo = Add32 (RdLo, (mid2 << 16), &carry);
- RdHi +=
- (carry + ((mid1 >> 16) & 0xFFFF) + ((mid2 >> 16) & 0xFFFF) + hi);
-
- if (sign)
- {
- /* Negate result if necessary. */
- RdLo = ~RdLo;
- RdHi = ~RdHi;
- if (RdLo == 0xFFFFFFFF)
- {
- RdLo = 0;
- RdHi += 1;
- }
- else
- RdLo += 1;
- }
-
- state->Reg[nRdLo] = RdLo;
- state->Reg[nRdHi] = RdHi;
- }
- else
- fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS\n");
-
- if (scc)
- /* Ensure that both RdHi and RdLo are used to compute Z,
- but don't let RdLo's sign bit make it to N. */
- ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));
-
- /* The cycle count depends on whether the instruction is a signed or
- unsigned multiply, and what bits are clear in the multiplier. */
- if (msigned && (Rm & ((unsigned) 1 << 31)))
- /* Invert the bits to make the check against zero. */
- Rm = ~Rm;
-
- if ((Rm & 0xFFFFFF00) == 0)
- scount = 1;
- else if ((Rm & 0xFFFF0000) == 0)
- scount = 2;
- else if ((Rm & 0xFF000000) == 0)
- scount = 3;
- else
- scount = 4;
-
- return 2 + scount;
-}
-
-/* This function does the work of multiplying two 32bit
- values and adding a 64bit value to give a 64bit result. */
-
-static unsigned
-MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc)
-{
- unsigned scount;
- ARMword RdLo, RdHi;
- int nRdHi, nRdLo;
- int carry = 0;
-
- nRdHi = BITS (16, 19);
- nRdLo = BITS (12, 15);
-
- RdHi = state->Reg[nRdHi];
- RdLo = state->Reg[nRdLo];
-
- scount = Multiply64 (state, instr, msigned, LDEFAULT);
-
- RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry);
- RdHi = (RdHi + state->Reg[nRdHi]) + carry;
-
- state->Reg[nRdLo] = RdLo;
- state->Reg[nRdHi] = RdHi;
-
- if (scc)
- /* Ensure that both RdHi and RdLo are used to compute Z,
- but don't let RdLo's sign bit make it to N. */
- ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));
-
- /* Extra cycle for addition. */
- return scount + 1;
-}