ppc: Split exception helpers

Move exception helpers from op_helper.c to excp_helper.c.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 0 insertions, 190 deletions

diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index d9f7a8beda..2e8786071a 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -29,7 +29,6 @@
 #endif /* !defined(CONFIG_USER_ONLY) */
 
 //#define DEBUG_OP
-//#define DEBUG_EXCEPTIONS
 //#define DEBUG_SOFTWARE_TLB
 
 #ifdef DEBUG_SOFTWARE_TLB
@@ -38,25 +37,6 @@
 #  define LOG_SWTLB(...) do { } while (0)
 #endif
 
-
-/*****************************************************************************/
-/* Exceptions processing helpers */
-
-void helper_raise_exception_err(uint32_t exception, uint32_t error_code)
-{
-#if 0
-    printf("Raise exception %3x code : %d\n", exception, error_code);
-#endif
-    env->exception_index = exception;
-    env->error_code = error_code;
-    cpu_loop_exit(env);
-}
-
-void helper_raise_exception(uint32_t exception)
-{
-    helper_raise_exception_err(exception, 0);
-}
-
 /*****************************************************************************/
 /* SPR accesses */
 void helper_load_dump_spr(uint32_t sprn)
@@ -1658,91 +1638,6 @@ void helper_fcmpo(uint64_t arg1, uint64_t arg2, uint32_t crfD)
     }
 }
 
-#if !defined(CONFIG_USER_ONLY)
-void helper_store_msr(target_ulong val)
-{
-    val = hreg_store_msr(env, val, 0);
-    if (val != 0) {
-        env->interrupt_request |= CPU_INTERRUPT_EXITTB;
-        helper_raise_exception(val);
-    }
-}
-
-static inline void do_rfi(target_ulong nip, target_ulong msr,
-                          target_ulong msrm, int keep_msrh)
-{
-#if defined(TARGET_PPC64)
-    if (msr & (1ULL << MSR_SF)) {
-        nip = (uint64_t)nip;
-        msr &= (uint64_t)msrm;
-    } else {
-        nip = (uint32_t)nip;
-        msr = (uint32_t)(msr & msrm);
-        if (keep_msrh) {
-            msr |= env->msr & ~((uint64_t)0xFFFFFFFF);
-        }
-    }
-#else
-    nip = (uint32_t)nip;
-    msr &= (uint32_t)msrm;
-#endif
-    /* XXX: beware: this is false if VLE is supported */
-    env->nip = nip & ~((target_ulong)0x00000003);
-    hreg_store_msr(env, msr, 1);
-#if defined(DEBUG_OP)
-    cpu_dump_rfi(env->nip, env->msr);
-#endif
-    /* No need to raise an exception here,
-     * as rfi is always the last insn of a TB
-     */
-    env->interrupt_request |= CPU_INTERRUPT_EXITTB;
-}
-
-void helper_rfi(void)
-{
-    do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1],
-           ~((target_ulong)0x783F0000), 1);
-}
-
-#if defined(TARGET_PPC64)
-void helper_rfid(void)
-{
-    do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1],
-           ~((target_ulong)0x783F0000), 0);
-}
-
-void helper_hrfid(void)
-{
-    do_rfi(env->spr[SPR_HSRR0], env->spr[SPR_HSRR1],
-           ~((target_ulong)0x783F0000), 0);
-}
-#endif
-#endif
-
-void helper_tw(target_ulong arg1, target_ulong arg2, uint32_t flags)
-{
-    if (!likely(!(((int32_t)arg1 < (int32_t)arg2 && (flags & 0x10)) ||
-                  ((int32_t)arg1 > (int32_t)arg2 && (flags & 0x08)) ||
-                  ((int32_t)arg1 == (int32_t)arg2 && (flags & 0x04)) ||
-                  ((uint32_t)arg1 < (uint32_t)arg2 && (flags & 0x02)) ||
-                  ((uint32_t)arg1 > (uint32_t)arg2 && (flags & 0x01))))) {
-        helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
-    }
-}
-
-#if defined(TARGET_PPC64)
-void helper_td(target_ulong arg1, target_ulong arg2, uint32_t flags)
-{
-    if (!likely(!(((int64_t)arg1 < (int64_t)arg2 && (flags & 0x10)) ||
-                  ((int64_t)arg1 > (int64_t)arg2 && (flags & 0x08)) ||
-                  ((int64_t)arg1 == (int64_t)arg2 && (flags & 0x04)) ||
-                  ((uint64_t)arg1 < (uint64_t)arg2 && (flags & 0x02)) ||
-                  ((uint64_t)arg1 > (uint64_t)arg2 && (flags & 0x01))))) {
-        helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
-    }
-}
-#endif
-
 /*****************************************************************************/
 /* PowerPC 601 specific instructions (POWER bridge) */
 
@@ -1854,11 +1749,6 @@ target_ulong helper_rac(target_ulong addr)
     env->nb_BATs = nb_BATs;
     return ret;
 }
-
-void helper_rfsvc(void)
-{
-    do_rfi(env->lr, env->ctr, 0x0000FFFF, 0);
-}
 #endif
 
 /*****************************************************************************/
@@ -1918,32 +1808,6 @@ void helper_store_dcr(target_ulong dcrn, target_ulong val)
     }
 }
 
-#if !defined(CONFIG_USER_ONLY)
-void helper_40x_rfci(void)
-{
-    do_rfi(env->spr[SPR_40x_SRR2], env->spr[SPR_40x_SRR3],
-           ~((target_ulong)0xFFFF0000), 0);
-}
-
-void helper_rfci(void)
-{
-    do_rfi(env->spr[SPR_BOOKE_CSRR0], SPR_BOOKE_CSRR1,
-           ~((target_ulong)0x3FFF0000), 0);
-}
-
-void helper_rfdi(void)
-{
-    do_rfi(env->spr[SPR_BOOKE_DSRR0], SPR_BOOKE_DSRR1,
-           ~((target_ulong)0x3FFF0000), 0);
-}
-
-void helper_rfmci(void)
-{
-    do_rfi(env->spr[SPR_BOOKE_MCSRR0], SPR_BOOKE_MCSRR1,
-           ~((target_ulong)0x3FFF0000), 0);
-}
-#endif
-
 /* 440 specific */
 target_ulong helper_dlmzb(target_ulong high, target_ulong low,
                           uint32_t update_Rc)
@@ -4716,58 +4580,4 @@ void helper_booke206_tlbflush(uint32_t type)
 
     booke206_flush_tlb(env, flags, 1);
 }
-
-/* Embedded.Processor Control */
-static int dbell2irq(target_ulong rb)
-{
-    int msg = rb & DBELL_TYPE_MASK;
-    int irq = -1;
-
-    switch (msg) {
-    case DBELL_TYPE_DBELL:
-        irq = PPC_INTERRUPT_DOORBELL;
-        break;
-    case DBELL_TYPE_DBELL_CRIT:
-        irq = PPC_INTERRUPT_CDOORBELL;
-        break;
-    case DBELL_TYPE_G_DBELL:
-    case DBELL_TYPE_G_DBELL_CRIT:
-    case DBELL_TYPE_G_DBELL_MC:
-        /* XXX implement */
-    default:
-        break;
-    }
-
-    return irq;
-}
-
-void helper_msgclr(target_ulong rb)
-{
-    int irq = dbell2irq(rb);
-
-    if (irq < 0) {
-        return;
-    }
-
-    env->pending_interrupts &= ~(1 << irq);
-}
-
-void helper_msgsnd(target_ulong rb)
-{
-    int irq = dbell2irq(rb);
-    int pir = rb & DBELL_PIRTAG_MASK;
-    CPUPPCState *cenv;
-
-    if (irq < 0) {
-        return;
-    }
-
-    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
-        if ((rb & DBELL_BRDCAST) || (cenv->spr[SPR_BOOKE_PIR] == pir)) {
-            cenv->pending_interrupts |= 1 << irq;
-            cpu_interrupt(cenv, CPU_INTERRUPT_HARD);
-        }
-    }
-}
-
 #endif /* !CONFIG_USER_ONLY */