full system SPARC emulation (Blue Swirl)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1087 c046a42c-6fe2-441c-8c8c-71466251a162

.cvsignore

@@ -12,3 +12,4 @@ qemu.1
 qemu.pod
 sparc-user
 qemu-img
+sparc-softmmu

Changelog

@@ -17,6 +17,7 @@ version 0.6.1:
   - Fixed Fedora Core 2 problems (now you can run qemu without any
     LD_ASSUME_KERNEL tricks on FC2)
   - DHCP fix for Windows (accept DHCPREQUEST alone)
+  - SPARC system emulation (Blue Swirl)
 
 version 0.6.0:
 

Makefile.target

@@ -63,6 +63,26 @@ endif
 endif # ARCH = amd64
 
 endif # TARGET_ARCH = ppc
+
+ifeq ($(TARGET_ARCH), sparc)
+
+ifeq ($(ARCH), ppc)
+PROGS+=$(QEMU_SYSTEM)
+endif
+
+ifeq ($(ARCH), i386)
+ifdef CONFIG_SOFTMMU
+PROGS+=$(QEMU_SYSTEM)
+endif
+endif # ARCH = i386
+
+ifeq ($(ARCH), amd64)
+ifdef CONFIG_SOFTMMU
+PROGS+=$(QEMU_SYSTEM)
+endif
+endif # ARCH = amd64
+
+endif # TARGET_ARCH = sparc
 endif # !CONFIG_USER_ONLY
 
 ifdef CONFIG_STATIC
@@ -201,6 +221,10 @@ ifeq ($(TARGET_ARCH), ppc)
 LIBOBJS+= op_helper.o helper.o
 endif
 
+ifeq ($(TARGET_ARCH), sparc)
+LIBOBJS+= op_helper.o helper.o
+endif
+
 # NOTE: the disassembler code is only needed for debugging
 LIBOBJS+=disas.o 
 ifeq ($(findstring i386, $(TARGET_ARCH) $(ARCH)),i386)
@@ -254,6 +278,9 @@ VL_OBJS+= ppc.o ide.o ne2000.o pckbd.o vga.o sb16.o dma.o oss.o
 VL_OBJS+= mc146818rtc.o serial.o i8259.o i8254.o fdc.o m48t59.o
 VL_OBJS+= ppc_prep.o ppc_chrp.o cuda.o adb.o openpic.o
 endif
+ifeq ($(TARGET_ARCH), sparc)
+VL_OBJS+= sun4m.o tcx.o lance.o iommu.o sched.o m48t08.o magic-load.o
+endif
 ifdef CONFIG_GDBSTUB
 VL_OBJS+=gdbstub.o 
 endif
@@ -325,7 +352,7 @@ op.o: op.c op_template.h
 endif
 
 ifeq ($(TARGET_ARCH), sparc)
-op.o: op.c op_template.h
+op.o: op.c op_template.h op_mem.h
 endif
 
 ifeq ($(TARGET_ARCH), ppc)

configure

@@ -27,7 +27,7 @@ ar="ar"
 make="make"
 strip="strip"
 cpu=`uname -m`
-target_list="i386-user i386 i386-softmmu arm-user sparc-user ppc-user ppc-softmmu"
+target_list="i386-user i386 i386-softmmu arm-user sparc-user ppc-user ppc-softmmu sparc-softmmu"
 case "$cpu" in
   i386|i486|i586|i686|i86pc|BePC)
     cpu="i386"
@@ -99,7 +99,7 @@ if [ "$bsd" = "yes" ] ; then
   if [ ! "$darwin" = "yes" ] ; then
     make="gmake"
   fi
-  target_list="i386-softmmu ppc-softmmu"
+  target_list="i386-softmmu ppc-softmmu sparc-softmmu"
 fi
 
 # find source path
@@ -160,7 +160,7 @@ ar="${cross_prefix}${ar}"
 strip="${cross_prefix}${strip}"
 
 if test "$mingw32" = "yes" ; then
-    target_list="i386-softmmu ppc-softmmu"
+    target_list="i386-softmmu ppc-softmmu sparc-softmmu"
     EXESUF=".exe"
     gdbstub="no"
 fi

cpu-exec.c

@@ -208,6 +208,11 @@ int cpu_exec(CPUState *env1)
                                  env->exception_next_eip, 0);
 #elif defined(TARGET_PPC)
                     do_interrupt(env);
+#elif defined(TARGET_SPARC)
+                    do_interrupt(env->exception_index, 
+                                 0,
+                                 env->error_code, 
+                                 env->exception_next_pc, 0);
 #endif
                 }
                 env->exception_index = -1;
@@ -261,6 +266,14 @@ int cpu_exec(CPUState *env1)
                             env->interrupt_request &= ~CPU_INTERRUPT_TIMER;
 			}
                     }
+#elif defined(TARGET_SPARC)
+                    if (interrupt_request & CPU_INTERRUPT_HARD) {
+			do_interrupt(0, 0, 0, 0, 0);
+                        env->interrupt_request &= ~CPU_INTERRUPT_HARD;
+		    } else if (interrupt_request & CPU_INTERRUPT_TIMER) {
+			//do_interrupt(0, 0, 0, 0, 0);
+			env->interrupt_request &= ~CPU_INTERRUPT_TIMER;
+		    }
 #endif
                     if (interrupt_request & CPU_INTERRUPT_EXITTB) {
                         env->interrupt_request &= ~CPU_INTERRUPT_EXITTB;

exec-all.h

@@ -56,6 +56,7 @@ struct TranslationBlock;
 extern uint16_t gen_opc_buf[OPC_BUF_SIZE];
 extern uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE];
 extern uint32_t gen_opc_pc[OPC_BUF_SIZE];
+extern uint32_t gen_opc_npc[OPC_BUF_SIZE];
 extern uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
 extern uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
 
@@ -541,8 +542,7 @@ extern spinlock_t tb_lock;
 
 extern int tb_invalidated_flag;
 
-#if (defined(TARGET_I386) || defined(TARGET_PPC)) && \
-    !defined(CONFIG_USER_ONLY)
+#if !defined(CONFIG_USER_ONLY)
 
 void tlb_fill(unsigned long addr, int is_write, int is_user, 
               void *retaddr);
@@ -585,6 +585,8 @@ static inline target_ulong get_phys_addr_code(CPUState *env, target_ulong addr)
     is_user = ((env->hflags & HF_CPL_MASK) == 3);
 #elif defined (TARGET_PPC)
     is_user = msr_pr;
+#elif defined (TARGET_SPARC)
+    is_user = (env->psrs == 0);
 #else
 #error "Unimplemented !"
 #endif

exec.c

@@ -1077,7 +1077,7 @@ static void breakpoint_invalidate(CPUState *env, target_ulong pc)
    breakpoint is reached */
 int cpu_breakpoint_insert(CPUState *env, target_ulong pc)
 {
-#if defined(TARGET_I386) || defined(TARGET_PPC)
+#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_SPARC)
     int i;
 
     for(i = 0; i < env->nb_breakpoints; i++) {
@@ -1099,7 +1099,7 @@ int cpu_breakpoint_insert(CPUState *env, target_ulong pc)
 /* remove a breakpoint */
 int cpu_breakpoint_remove(CPUState *env, target_ulong pc)
 {
-#if defined(TARGET_I386) || defined(TARGET_PPC)
+#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_SPARC)
     int i;
     for(i = 0; i < env->nb_breakpoints; i++) {
         if (env->breakpoints[i] == pc)
@@ -1122,7 +1122,7 @@ int cpu_breakpoint_remove(CPUState *env, target_ulong pc)
    CPU loop after each instruction */
 void cpu_single_step(CPUState *env, int enabled)
 {
-#if defined(TARGET_I386) || defined(TARGET_PPC)
+#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_SPARC)
     if (env->singlestep_enabled != enabled) {
         env->singlestep_enabled = enabled;
         /* must flush all the translated code to avoid inconsistancies */