arm emulation support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@246 c046a42c-6fe2-441c-8c8c-71466251a162

Changelog

@@ -1,7 +1,12 @@
 version 0.3:
+
+ - initial support for ARM emulation
  - added fnsave, frstor, fnstenv, fldenv FPU instructions
  - added FPU register save in signal emulation
  - ARM port
+ - Sparc and Alpha ports work on the regression test
+ - generic ioctl number conversion
+ - fixed ioctl type conversion
 
 version 0.2:
 

Makefile

@@ -86,24 +86,38 @@ LDFLAGS+=-p
 main.o: CFLAGS+=-p
 endif
 
-OBJS= elfload.o main.o syscall.o mmap.o signal.o vm86.o path.o
+OBJS= elfload.o main.o syscall.o mmap.o signal.o path.o
+ifeq ($(TARGET_ARCH), i386)
+OBJS+= vm86.o
+endif
 SRCS:= $(OBJS:.o=.c)
 OBJS+= libqemu.a
 
-LIBOBJS+=thunk.o translate-i386.o op-i386.o helper-i386.o exec-i386.o exec.o
+# cpu emulator library
+LIBOBJS=thunk.o exec.o translate.o cpu-exec.o 
+
+ifeq ($(TARGET_ARCH), i386)
+LIBOBJS+=translate-i386.o op-i386.o helper-i386.o
+endif
+ifeq ($(TARGET_ARCH), arm)
+LIBOBJS+=translate-arm.o op-arm.o
+endif
 
 # NOTE: the disassembler code is only needed for debugging
-LIBOBJS+=disas.o i386-dis.o
-ifeq ($(ARCH),alpha)
+LIBOBJS+=disas.o 
+ifeq ($(findstring i386, $(TARGET_ARCH) $(ARCH)),i386)
+LIBOBJS+=i386-dis.o
+endif
+ifeq ($(findstring alpha, $(TARGET_ARCH) $(ARCH)),alpha)
 LIBOBJS+=alpha-dis.o
 endif
-ifeq ($(ARCH),ppc)
+ifeq ($(findstring ppc, $(TARGET_ARCH) $(ARCH)),ppc)
 LIBOBJS+=ppc-dis.o
 endif
-ifeq ($(ARCH),sparc)
+ifeq ($(findstring sparc, $(TARGET_ARCH) $(ARCH)),sparc)
 LIBOBJS+=sparc-dis.o
 endif
-ifeq ($(ARCH),arm)
+ifeq ($(findstring arm, $(TARGET_ARCH) $(ARCH)),arm)
 LIBOBJS+=arm-dis.o
 endif
 
@@ -133,20 +147,29 @@ libqemu.a: $(LIBOBJS)
 dyngen: dyngen.c
 	$(HOST_CC) -O2 -Wall -g $< -o $@
 
-translate-i386.o: translate-i386.c op-i386.h opc-i386.h cpu-i386.h
+translate-$(TARGET_ARCH).o: translate-$(TARGET_ARCH).c gen-op-$(TARGET_ARCH).h opc-$(TARGET_ARCH).h cpu-$(TARGET_ARCH).h
 
-op-i386.h: op-i386.o dyngen
+translate.o: translate.c op-$(TARGET_ARCH).h opc-$(TARGET_ARCH).h cpu-$(TARGET_ARCH).h
+
+op-$(TARGET_ARCH).h: op-$(TARGET_ARCH).o dyngen
 	./dyngen -o $@ $<
 
-opc-i386.h: op-i386.o dyngen
+opc-$(TARGET_ARCH).h: op-$(TARGET_ARCH).o dyngen
 	./dyngen -c -o $@ $<
 
-op-i386.o: op-i386.c opreg_template.h ops_template.h
+gen-op-$(TARGET_ARCH).h: op-$(TARGET_ARCH).o dyngen
+	./dyngen -g -o $@ $<
+
+op-$(TARGET_ARCH).o: op-$(TARGET_ARCH).c
 	$(CC) $(OP_CFLAGS) $(DEFINES) -c -o $@ $<
 
-helper-i386.o: helper-i386.c
+helper-$(TARGET_ARCH).o: helper-$(TARGET_ARCH).c
 	$(CC) $(HELPER_CFLAGS) $(DEFINES) -c -o $@ $<
 
+op-i386.o: op-i386.c opreg_template.h ops_template.h
+
+op-arm.o: op-arm.c op-arm-template.h
+
 %.o: %.c
 	$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
 
@@ -173,17 +196,24 @@ qemu-doc.html: qemu-doc.texi
 
 FILES= \
 README README.distrib COPYING COPYING.LIB TODO Changelog VERSION \
-dyngen.c dyngen.h ioctls.h ops_template.h op_string.h  syscall_types.h\
-Makefile     elf.h       thunk.c\
-elfload.c   main.c            signal.c        thunk.h exec.h\
-cpu-i386.h qemu.h op-i386.c helper-i386.c syscall-i386.h  translate-i386.c\
-syscall.c opreg_template.h  syscall_defs.h vm86.c\
-dis-asm.h disas.c disas.h alpha-dis.c ppc-dis.c i386-dis.c sparc-dis.c arm-dis.c\
-ppc.ld alpha.ld s390.ld sparc.ld arm.ld exec-i386.h exec-i386.c path.c exec.c mmap.c configure \
-tests/Makefile\
-tests/test-i386.c tests/test-i386-shift.h tests/test-i386.h\
-tests/test-i386-muldiv.h tests/test-i386-code16.S\
-tests/hello.c tests/hello tests/sha1.c \
+configure \
+dyngen.c dyngen.h dyngen-exec.h ioctls.h syscall_types.h \
+Makefile elf.h elfload.c main.c signal.c qemu.h \
+syscall.c syscall_defs.h vm86.c path.c mmap.c \
+ppc.ld alpha.ld s390.ld sparc.ld arm.ld\
+thunk.c cpu-exec.c translate.c cpu-all.h thunk.h exec.h\
+exec.c cpu-exec.c\
+cpu-i386.h op-i386.c helper-i386.c syscall-i386.h translate-i386.c \
+exec-i386.h ops_template.h op_string.h opreg_template.h \
+cpu-arm.h syscall-arm.h exec-arm.h op-arm.c translate-arm.c op-arm-template.h \
+dis-asm.h disas.c disas.h alpha-dis.c ppc-dis.c i386-dis.c sparc-dis.c \
+arm-dis.c \
+tests/Makefile \
+tests/test-i386.c tests/test-i386-shift.h tests/test-i386.h \
+tests/test-i386-muldiv.h tests/test-i386-code16.S tests/test-i386-vm86.S \
+tests/hello.c tests/hello \
+tests/hello-arm.c tests/hello-arm \
+tests/sha1.c \
 tests/testsig.c tests/testclone.c tests/testthread.c \
 tests/runcom.c tests/pi_10.com \
 tests/test_path.c \

VERSION

@@ -1 +1 @@
-0.2
+0.3

configure

@@ -28,6 +28,7 @@ ar="ar"
 make="make"
 strip="strip"
 target_cpu="x86"
+target_bigendian="default"
 cpu=`uname -m`
 case "$cpu" in
   i386|i486|i586|i686|i86pc|BePC)
@@ -103,6 +104,12 @@ for opt do
   ;;
   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
   ;;
+  --target-cpu=*) target_cpu=`echo $opt | cut -d '=' -f 2`
+  ;;
+  --target-big-endian) target_bigendian="yes"
+  ;;
+  --target-little-endian) target_bigendian="no"
+  ;;
   --enable-gprof) gprof="yes"
   ;;
   --static) static="yes"
@@ -162,6 +169,16 @@ if $cc -o $TMPO $TMPC 2> /dev/null ; then
    gcc_major="3"
 fi
 
+if test "$target_bigendian" = "default" ; then
+    if test "$target_cpu" = "x86" ; then
+         target_bigendian="no"
+    elif test "$target_cpu" = "arm" ; then
+         target_bigendian="no"
+    else
+         target_bigendian="no"
+    fi
+fi
+
 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 cat << EOF
 
@@ -173,6 +190,7 @@ echo "Standard options:"
 echo "  --help                   print this message"
 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
 echo "  --interp-prefix=PREFIX   where to find shared libraries, etc. [$interp_prefix]"
+echo "  --target_cpu=CPU         set target cpu (x86 or arm) [$target_cpu]"
 echo ""
 echo "Advanced options (experts only):"
 echo "  --source-path=PATH       path of source code [$source_path]"
@@ -191,8 +209,9 @@ echo "ELF interp prefix $interp_prefix"
 echo "C compiler        $cc"
 echo "make              $make"
 echo "host CPU          $cpu"
-echo "Big Endian        $bigendian"
+echo "host big endian   $bigendian"
 echo "target CPU        $target_cpu"
+echo "target big endian $target_bigendian"
 echo "gprof enabled     $gprof"
 echo "static build      $static"
 
@@ -246,6 +265,24 @@ if test "$bigendian" = "yes" ; then
   echo "WORDS_BIGENDIAN=yes" >> config.mak
   echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 fi
+
+if test "$target_cpu" = "x86" ; then
+  echo "TARGET_ARCH=i386" >> config.mak
+  echo "#define TARGET_ARCH \"i386\"" >> $TMPH
+  echo "#define TARGET_I386 1" >> $TMPH
+elif test "$target_cpu" = "arm" ; then
+  echo "TARGET_ARCH=arm" >> config.mak
+  echo "#define TARGET_ARCH \"arm\"" >> $TMPH
+  echo "#define TARGET_ARM 1" >> $TMPH
+else
+  echo "Unsupported target CPU"
+  exit 1
+fi
+if test "$target_bigendian" = "yes" ; then
+  echo "TARGET_WORDS_BIGENDIAN=yes" >> config.mak
+  echo "#define TARGET_WORDS_BIGENDIAN 1" >> $TMPH
+fi
+
 if test "$gprof" = "yes" ; then
   echo "TARGET_GPROF=yes" >> config.mak
   echo "#define HAVE_GPROF 1" >> $TMPH

translate.c

@@ -123,7 +123,7 @@ int cpu_gen_code(TranslationBlock *tb,
 
 static const unsigned short opc_copy_size[] = {
 #define DEF(s, n, copy_size) copy_size,
-#include "opc-i386.h"
+#include "opc-" TARGET_ARCH ".h"
 #undef DEF
 };