Fix Sparc64 boot on i386 host:

 - move do_interrupt() back to op_helper.c
 - move non-helper prototypes from helper.h to exec.h
 - move some prototypes from cpu.h to exec.h
 - do not export either set_cwp() or cpu_set_cwp() from op_helper.c,
   but instead provide inline functions


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5109 c046a42c-6fe2-441c-8c8c-71466251a162

5 files changed, 280 insertions, 273 deletions

diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index 8f5e15e438..6006132c8a 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -337,12 +337,17 @@ typedef struct CPUSPARCState {
     } while (0)
 #endif
 
+/* helper.c */
 CPUSPARCState *cpu_sparc_init(const char *cpu_model);
-void gen_intermediate_code_init(CPUSPARCState *env);
-int cpu_sparc_exec(CPUSPARCState *s);
+void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
 void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt,
                                                  ...));
-void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
+
+/* translate.c */
+void gen_intermediate_code_init(CPUSPARCState *env);
+
+/* cpu-exec.c */
+int cpu_sparc_exec(CPUSPARCState *s);
 
 #define GET_PSR(env) (env->version | (env->psr & PSR_ICC) |             \
                       (env->psref? PSR_EF : 0) |                        \
@@ -352,7 +357,29 @@ void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
                       (env->psret? PSR_ET : 0) | env->cwp)
 
 #ifndef NO_CPU_IO_DEFS
-void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
+static inline void memcpy32(target_ulong *dst, const target_ulong *src)
+{
+    dst[0] = src[0];
+    dst[1] = src[1];
+    dst[2] = src[2];
+    dst[3] = src[3];
+    dst[4] = src[4];
+    dst[5] = src[5];
+    dst[6] = src[6];
+    dst[7] = src[7];
+}
+
+static inline void cpu_set_cwp(CPUSPARCState *env1, int new_cwp)
+{
+    /* put the modified wrap registers at their proper location */
+    if (env1->cwp == env1->nwindows - 1)
+        memcpy32(env1->regbase, env1->regbase + env1->nwindows * 16);
+    env1->cwp = new_cwp;
+    /* put the wrap registers at their temporary location */
+    if (new_cwp == env1->nwindows - 1)
+        memcpy32(env1->regbase + env1->nwindows * 16, env1->regbase);
+    env1->regwptr = env1->regbase + (new_cwp * 16);
+}
 
 static inline int cpu_cwp_inc(CPUSPARCState *env1, int cwp)
 {
@@ -397,10 +424,9 @@ static inline void PUT_CWP64(CPUSPARCState *env1, int cwp)
 #endif
 #endif
 
-int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
+/* cpu-exec.c */
 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
                           int is_asi);
-void cpu_check_irqs(CPUSPARCState *env);
 
 #define CPUState CPUSPARCState
 #define cpu_init cpu_sparc_init
diff --git a/target-sparc/exec.h b/target-sparc/exec.h
index c6ff9506f6..f53cd69829 100644
--- a/target-sparc/exec.h
+++ b/target-sparc/exec.h
@@ -23,10 +23,25 @@ static inline void regs_to_env(void)
 {
 }
 
+/* helper.c */
+void cpu_lock(void);
+void cpu_unlock(void);
 int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
                                int mmu_idx, int is_softmmu);
+target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev);
+void dump_mmu(CPUState *env);
+void memcpy32(target_ulong *dst, const target_ulong *src);
+
+/* op_helper.c */
 void do_interrupt(CPUState *env);
 
+/* cpu-exec.c */
+void cpu_loop_exit(void);
+int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
+
+/* sun4m.c */
+void cpu_check_irqs(CPUSPARCState *env);
+
 static inline int cpu_halted(CPUState *env1) {
     if (!env1->halted)
         return 0;
diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index e449400c10..0a2e132c85 100644
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -28,7 +28,6 @@
 #include "cpu.h"
 #include "exec-all.h"
 #include "qemu-common.h"
-#include "helper.h"
 
 //#define DEBUG_MMU
 //#define DEBUG_FEATURES
@@ -639,247 +638,6 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
 }
 #endif
 
-#ifdef TARGET_SPARC64
-#ifdef DEBUG_PCALL
-static const char * const excp_names[0x80] = {
-    [TT_TFAULT] = "Instruction Access Fault",
-    [TT_TMISS] = "Instruction Access MMU Miss",
-    [TT_CODE_ACCESS] = "Instruction Access Error",
-    [TT_ILL_INSN] = "Illegal Instruction",
-    [TT_PRIV_INSN] = "Privileged Instruction",
-    [TT_NFPU_INSN] = "FPU Disabled",
-    [TT_FP_EXCP] = "FPU Exception",
-    [TT_TOVF] = "Tag Overflow",
-    [TT_CLRWIN] = "Clean Windows",
-    [TT_DIV_ZERO] = "Division By Zero",
-    [TT_DFAULT] = "Data Access Fault",
-    [TT_DMISS] = "Data Access MMU Miss",
-    [TT_DATA_ACCESS] = "Data Access Error",
-    [TT_DPROT] = "Data Protection Error",
-    [TT_UNALIGNED] = "Unaligned Memory Access",
-    [TT_PRIV_ACT] = "Privileged Action",
-    [TT_EXTINT | 0x1] = "External Interrupt 1",
-    [TT_EXTINT | 0x2] = "External Interrupt 2",
-    [TT_EXTINT | 0x3] = "External Interrupt 3",
-    [TT_EXTINT | 0x4] = "External Interrupt 4",
-    [TT_EXTINT | 0x5] = "External Interrupt 5",
-    [TT_EXTINT | 0x6] = "External Interrupt 6",
-    [TT_EXTINT | 0x7] = "External Interrupt 7",
-    [TT_EXTINT | 0x8] = "External Interrupt 8",
-    [TT_EXTINT | 0x9] = "External Interrupt 9",
-    [TT_EXTINT | 0xa] = "External Interrupt 10",
-    [TT_EXTINT | 0xb] = "External Interrupt 11",
-    [TT_EXTINT | 0xc] = "External Interrupt 12",
-    [TT_EXTINT | 0xd] = "External Interrupt 13",
-    [TT_EXTINT | 0xe] = "External Interrupt 14",
-    [TT_EXTINT | 0xf] = "External Interrupt 15",
-};
-#endif
-
-void do_interrupt(CPUState *env)
-{
-    int intno = env->exception_index;
-
-#ifdef DEBUG_PCALL
-    if (loglevel & CPU_LOG_INT) {
-        static int count;
-        const char *name;
-
-        if (intno < 0 || intno >= 0x180)
-            name = "Unknown";
-        else if (intno >= 0x100)
-            name = "Trap Instruction";
-        else if (intno >= 0xc0)
-            name = "Window Fill";
-        else if (intno >= 0x80)
-            name = "Window Spill";
-        else {
-            name = excp_names[intno];
-            if (!name)
-                name = "Unknown";
-        }
-
-        fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
-                " SP=%016" PRIx64 "\n",
-                count, name, intno,
-                env->pc,
-                env->npc, env->regwptr[6]);
-        cpu_dump_state(env, logfile, fprintf, 0);
-#if 0
-        {
-            int i;
-            uint8_t *ptr;
-
-            fprintf(logfile, "       code=");
-            ptr = (uint8_t *)env->pc;
-            for(i = 0; i < 16; i++) {
-                fprintf(logfile, " %02x", ldub(ptr + i));
-            }
-            fprintf(logfile, "\n");
-        }
-#endif
-        count++;
-    }
-#endif
-#if !defined(CONFIG_USER_ONLY)
-    if (env->tl >= env->maxtl) {
-        cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
-                  " Error state", env->exception_index, env->tl, env->maxtl);
-        return;
-    }
-#endif
-    if (env->tl < env->maxtl - 1) {
-        env->tl++;
-    } else {
-        env->pstate |= PS_RED;
-        if (env->tl < env->maxtl)
-            env->tl++;
-    }
-    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
-    env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
-        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
-        GET_CWP64(env);
-    env->tsptr->tpc = env->pc;
-    env->tsptr->tnpc = env->npc;
-    env->tsptr->tt = intno;
-    if (!(env->def->features & CPU_FEATURE_GL)) {
-        switch (intno) {
-        case TT_IVEC:
-            change_pstate(PS_PEF | PS_PRIV | PS_IG);
-            break;
-        case TT_TFAULT:
-        case TT_TMISS:
-        case TT_DFAULT:
-        case TT_DMISS:
-        case TT_DPROT:
-            change_pstate(PS_PEF | PS_PRIV | PS_MG);
-            break;
-        default:
-            change_pstate(PS_PEF | PS_PRIV | PS_AG);
-            break;
-        }
-    }
-    if (intno == TT_CLRWIN)
-        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
-    else if ((intno & 0x1c0) == TT_SPILL)
-        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
-    else if ((intno & 0x1c0) == TT_FILL)
-        cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
-    env->tbr &= ~0x7fffULL;
-    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
-    env->pc = env->tbr;
-    env->npc = env->pc + 4;
-    env->exception_index = 0;
-}
-#else
-#ifdef DEBUG_PCALL
-static const char * const excp_names[0x80] = {
-    [TT_TFAULT] = "Instruction Access Fault",
-    [TT_ILL_INSN] = "Illegal Instruction",
-    [TT_PRIV_INSN] = "Privileged Instruction",
-    [TT_NFPU_INSN] = "FPU Disabled",
-    [TT_WIN_OVF] = "Window Overflow",
-    [TT_WIN_UNF] = "Window Underflow",
-    [TT_UNALIGNED] = "Unaligned Memory Access",
-    [TT_FP_EXCP] = "FPU Exception",
-    [TT_DFAULT] = "Data Access Fault",
-    [TT_TOVF] = "Tag Overflow",
-    [TT_EXTINT | 0x1] = "External Interrupt 1",
-    [TT_EXTINT | 0x2] = "External Interrupt 2",
-    [TT_EXTINT | 0x3] = "External Interrupt 3",
-    [TT_EXTINT | 0x4] = "External Interrupt 4",
-    [TT_EXTINT | 0x5] = "External Interrupt 5",
-    [TT_EXTINT | 0x6] = "External Interrupt 6",
-    [TT_EXTINT | 0x7] = "External Interrupt 7",
-    [TT_EXTINT | 0x8] = "External Interrupt 8",
-    [TT_EXTINT | 0x9] = "External Interrupt 9",
-    [TT_EXTINT | 0xa] = "External Interrupt 10",
-    [TT_EXTINT | 0xb] = "External Interrupt 11",
-    [TT_EXTINT | 0xc] = "External Interrupt 12",
-    [TT_EXTINT | 0xd] = "External Interrupt 13",
-    [TT_EXTINT | 0xe] = "External Interrupt 14",
-    [TT_EXTINT | 0xf] = "External Interrupt 15",
-    [TT_TOVF] = "Tag Overflow",
-    [TT_CODE_ACCESS] = "Instruction Access Error",
-    [TT_DATA_ACCESS] = "Data Access Error",
-    [TT_DIV_ZERO] = "Division By Zero",
-    [TT_NCP_INSN] = "Coprocessor Disabled",
-};
-#endif
-
-void do_interrupt(CPUState *env)
-{
-    int cwp, intno = env->exception_index;
-
-#ifdef DEBUG_PCALL
-    if (loglevel & CPU_LOG_INT) {
-        static int count;
-        const char *name;
-
-        if (intno < 0 || intno >= 0x100)
-            name = "Unknown";
-        else if (intno >= 0x80)
-            name = "Trap Instruction";
-        else {
-            name = excp_names[intno];
-            if (!name)
-                name = "Unknown";
-        }
-
-        fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
-                count, name, intno,
-                env->pc,
-                env->npc, env->regwptr[6]);
-        cpu_dump_state(env, logfile, fprintf, 0);
-#if 0
-        {
-            int i;
-            uint8_t *ptr;
-
-            fprintf(logfile, "       code=");
-            ptr = (uint8_t *)env->pc;
-            for(i = 0; i < 16; i++) {
-                fprintf(logfile, " %02x", ldub(ptr + i));
-            }
-            fprintf(logfile, "\n");
-        }
-#endif
-        count++;
-    }
-#endif
-#if !defined(CONFIG_USER_ONLY)
-    if (env->psret == 0) {
-        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
-                  env->exception_index);
-        return;
-    }
-#endif
-    env->psret = 0;
-    cwp = cpu_cwp_dec(env, env->cwp - 1);
-    cpu_set_cwp(env, cwp);
-    env->regwptr[9] = env->pc;
-    env->regwptr[10] = env->npc;
-    env->psrps = env->psrs;
-    env->psrs = 1;
-    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
-    env->pc = env->tbr;
-    env->npc = env->pc + 4;
-    env->exception_index = 0;
-}
-#endif
-
-void memcpy32(target_ulong *dst, const target_ulong *src)
-{
-    dst[0] = src[0];
-    dst[1] = src[1];
-    dst[2] = src[2];
-    dst[3] = src[3];
-    dst[4] = src[4];
-    dst[5] = src[5];
-    dst[6] = src[6];
-    dst[7] = src[7];
-}
-
 void cpu_reset(CPUSPARCState *env)
 {
     tlb_flush(env, 1);
diff --git a/target-sparc/helper.h b/target-sparc/helper.h
index 1eb1f6f6eb..124732fb04 100644
--- a/target-sparc/helper.h
+++ b/target-sparc/helper.h
@@ -179,12 +179,3 @@ VIS_CMPHELPER(cmpne);
 #undef F_HELPER_SDQ_0_0
 #undef VIS_HELPER
 #undef VIS_CMPHELPER
-
-void cpu_lock(void);
-void cpu_unlock(void);
-void cpu_loop_exit(void);
-void set_cwp(int new_cwp);
-void change_pstate(uint64_t new_pstate);
-void memcpy32(target_ulong *dst, const target_ulong *src);
-target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev);
-void dump_mmu(CPUState *env);
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 8c2551ff2c..47cd998ac4 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -68,6 +68,11 @@ void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
     }
 }
 
+static inline void set_cwp(int new_cwp)
+{
+    cpu_set_cwp(env, new_cwp);
+}
+
 void helper_check_align(target_ulong addr, uint32_t align)
 {
     if (addr & align) {
@@ -2668,7 +2673,7 @@ static inline uint64_t *get_gregset(uint64_t pstate)
     }
 }
 
-void change_pstate(uint64_t new_pstate)
+static inline void change_pstate(uint64_t new_pstate)
 {
     uint64_t pstate_regs, new_pstate_regs;
     uint64_t *src, *dst;
@@ -2716,28 +2721,240 @@ void helper_retry(void)
 }
 #endif
 
-void cpu_set_cwp(CPUState *env1, int new_cwp)
+void helper_flush(target_ulong addr)
 {
-    /* put the modified wrap registers at their proper location */
-    if (env1->cwp == env1->nwindows - 1)
-        memcpy32(env1->regbase, env1->regbase + env1->nwindows * 16);
-    env1->cwp = new_cwp;
-    /* put the wrap registers at their temporary location */
-    if (new_cwp == env1->nwindows - 1)
-        memcpy32(env1->regbase + env1->nwindows * 16, env1->regbase);
-    env1->regwptr = env1->regbase + (new_cwp * 16);
+    addr &= ~7;
+    tb_invalidate_page_range(addr, addr + 8);
 }
 
-void set_cwp(int new_cwp)
-{
-    cpu_set_cwp(env, new_cwp);
+#ifdef TARGET_SPARC64
+#ifdef DEBUG_PCALL
+static const char * const excp_names[0x80] = {
+    [TT_TFAULT] = "Instruction Access Fault",
+    [TT_TMISS] = "Instruction Access MMU Miss",
+    [TT_CODE_ACCESS] = "Instruction Access Error",
+    [TT_ILL_INSN] = "Illegal Instruction",
+    [TT_PRIV_INSN] = "Privileged Instruction",
+    [TT_NFPU_INSN] = "FPU Disabled",
+    [TT_FP_EXCP] = "FPU Exception",
+    [TT_TOVF] = "Tag Overflow",
+    [TT_CLRWIN] = "Clean Windows",
+    [TT_DIV_ZERO] = "Division By Zero",
+    [TT_DFAULT] = "Data Access Fault",
+    [TT_DMISS] = "Data Access MMU Miss",
+    [TT_DATA_ACCESS] = "Data Access Error",
+    [TT_DPROT] = "Data Protection Error",
+    [TT_UNALIGNED] = "Unaligned Memory Access",
+    [TT_PRIV_ACT] = "Privileged Action",
+    [TT_EXTINT | 0x1] = "External Interrupt 1",
+    [TT_EXTINT | 0x2] = "External Interrupt 2",
+    [TT_EXTINT | 0x3] = "External Interrupt 3",
+    [TT_EXTINT | 0x4] = "External Interrupt 4",
+    [TT_EXTINT | 0x5] = "External Interrupt 5",
+    [TT_EXTINT | 0x6] = "External Interrupt 6",
+    [TT_EXTINT | 0x7] = "External Interrupt 7",
+    [TT_EXTINT | 0x8] = "External Interrupt 8",
+    [TT_EXTINT | 0x9] = "External Interrupt 9",
+    [TT_EXTINT | 0xa] = "External Interrupt 10",
+    [TT_EXTINT | 0xb] = "External Interrupt 11",
+    [TT_EXTINT | 0xc] = "External Interrupt 12",
+    [TT_EXTINT | 0xd] = "External Interrupt 13",
+    [TT_EXTINT | 0xe] = "External Interrupt 14",
+    [TT_EXTINT | 0xf] = "External Interrupt 15",
+};
+#endif
+
+void do_interrupt(CPUState *env)
+{
+    int intno = env->exception_index;
+
+#ifdef DEBUG_PCALL
+    if (loglevel & CPU_LOG_INT) {
+        static int count;
+        const char *name;
+
+        if (intno < 0 || intno >= 0x180)
+            name = "Unknown";
+        else if (intno >= 0x100)
+            name = "Trap Instruction";
+        else if (intno >= 0xc0)
+            name = "Window Fill";
+        else if (intno >= 0x80)
+            name = "Window Spill";
+        else {
+            name = excp_names[intno];
+            if (!name)
+                name = "Unknown";
+        }
+
+        fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
+                " SP=%016" PRIx64 "\n",
+                count, name, intno,
+                env->pc,
+                env->npc, env->regwptr[6]);
+        cpu_dump_state(env, logfile, fprintf, 0);
+#if 0
+        {
+            int i;
+            uint8_t *ptr;
+
+            fprintf(logfile, "       code=");
+            ptr = (uint8_t *)env->pc;
+            for(i = 0; i < 16; i++) {
+                fprintf(logfile, " %02x", ldub(ptr + i));
+            }
+            fprintf(logfile, "\n");
+        }
+#endif
+        count++;
+    }
+#endif
+#if !defined(CONFIG_USER_ONLY)
+    if (env->tl >= env->maxtl) {
+        cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
+                  " Error state", env->exception_index, env->tl, env->maxtl);
+        return;
+    }
+#endif
+    if (env->tl < env->maxtl - 1) {
+        env->tl++;
+    } else {
+        env->pstate |= PS_RED;
+        if (env->tl < env->maxtl)
+            env->tl++;
+    }
+    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
+    env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
+        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
+        GET_CWP64(env);
+    env->tsptr->tpc = env->pc;
+    env->tsptr->tnpc = env->npc;
+    env->tsptr->tt = intno;
+    if (!(env->def->features & CPU_FEATURE_GL)) {
+        switch (intno) {
+        case TT_IVEC:
+            change_pstate(PS_PEF | PS_PRIV | PS_IG);
+            break;
+        case TT_TFAULT:
+        case TT_TMISS:
+        case TT_DFAULT:
+        case TT_DMISS:
+        case TT_DPROT:
+            change_pstate(PS_PEF | PS_PRIV | PS_MG);
+            break;
+        default:
+            change_pstate(PS_PEF | PS_PRIV | PS_AG);
+            break;
+        }
+    }
+    if (intno == TT_CLRWIN)
+        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
+    else if ((intno & 0x1c0) == TT_SPILL)
+        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
+    else if ((intno & 0x1c0) == TT_FILL)
+        cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
+    env->tbr &= ~0x7fffULL;
+    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
+    env->pc = env->tbr;
+    env->npc = env->pc + 4;
+    env->exception_index = 0;
 }
+#else
+#ifdef DEBUG_PCALL
+static const char * const excp_names[0x80] = {
+    [TT_TFAULT] = "Instruction Access Fault",
+    [TT_ILL_INSN] = "Illegal Instruction",
+    [TT_PRIV_INSN] = "Privileged Instruction",
+    [TT_NFPU_INSN] = "FPU Disabled",
+    [TT_WIN_OVF] = "Window Overflow",
+    [TT_WIN_UNF] = "Window Underflow",
+    [TT_UNALIGNED] = "Unaligned Memory Access",
+    [TT_FP_EXCP] = "FPU Exception",
+    [TT_DFAULT] = "Data Access Fault",
+    [TT_TOVF] = "Tag Overflow",
+    [TT_EXTINT | 0x1] = "External Interrupt 1",
+    [TT_EXTINT | 0x2] = "External Interrupt 2",
+    [TT_EXTINT | 0x3] = "External Interrupt 3",
+    [TT_EXTINT | 0x4] = "External Interrupt 4",
+    [TT_EXTINT | 0x5] = "External Interrupt 5",
+    [TT_EXTINT | 0x6] = "External Interrupt 6",
+    [TT_EXTINT | 0x7] = "External Interrupt 7",
+    [TT_EXTINT | 0x8] = "External Interrupt 8",
+    [TT_EXTINT | 0x9] = "External Interrupt 9",
+    [TT_EXTINT | 0xa] = "External Interrupt 10",
+    [TT_EXTINT | 0xb] = "External Interrupt 11",
+    [TT_EXTINT | 0xc] = "External Interrupt 12",
+    [TT_EXTINT | 0xd] = "External Interrupt 13",
+    [TT_EXTINT | 0xe] = "External Interrupt 14",
+    [TT_EXTINT | 0xf] = "External Interrupt 15",
+    [TT_TOVF] = "Tag Overflow",
+    [TT_CODE_ACCESS] = "Instruction Access Error",
+    [TT_DATA_ACCESS] = "Data Access Error",
+    [TT_DIV_ZERO] = "Division By Zero",
+    [TT_NCP_INSN] = "Coprocessor Disabled",
+};
+#endif
 
-void helper_flush(target_ulong addr)
+void do_interrupt(CPUState *env)
 {
-    addr &= ~7;
-    tb_invalidate_page_range(addr, addr + 8);
+    int cwp, intno = env->exception_index;
+
+#ifdef DEBUG_PCALL
+    if (loglevel & CPU_LOG_INT) {
+        static int count;
+        const char *name;
+
+        if (intno < 0 || intno >= 0x100)
+            name = "Unknown";
+        else if (intno >= 0x80)
+            name = "Trap Instruction";
+        else {
+            name = excp_names[intno];
+            if (!name)
+                name = "Unknown";
+        }
+
+        fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
+                count, name, intno,
+                env->pc,
+                env->npc, env->regwptr[6]);
+        cpu_dump_state(env, logfile, fprintf, 0);
+#if 0
+        {
+            int i;
+            uint8_t *ptr;
+
+            fprintf(logfile, "       code=");
+            ptr = (uint8_t *)env->pc;
+            for(i = 0; i < 16; i++) {
+                fprintf(logfile, " %02x", ldub(ptr + i));
+            }
+            fprintf(logfile, "\n");
+        }
+#endif
+        count++;
+    }
+#endif
+#if !defined(CONFIG_USER_ONLY)
+    if (env->psret == 0) {
+        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
+                  env->exception_index);
+        return;
+    }
+#endif
+    env->psret = 0;
+    cwp = cpu_cwp_dec(env, env->cwp - 1);
+    cpu_set_cwp(env, cwp);
+    env->regwptr[9] = env->pc;
+    env->regwptr[10] = env->npc;
+    env->psrps = env->psrs;
+    env->psrs = 1;
+    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
+    env->pc = env->tbr;
+    env->npc = env->pc + 4;
+    env->exception_index = 0;
 }
+#endif
 
 #if !defined(CONFIG_USER_ONLY)