rng-egd: remove redundant free

[qemu.git] / target-ppc / excp_helper.c

diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c
index 5e34ad08a8cd4d1369994a37101a698f2afd1621..c959460f7087d9c9f9c9a3ed2e8dafd0bc645183 100644 (file)
--- a/target-ppc/excp_helper.c
+++ b/target-ppc/excp_helper.c
@@ -38,8 +38,11 @@ void (*cpu_ppc_hypercall)(PowerPCCPU *);
 /*****************************************************************************/
 /* Exception processing */
 #if defined(CONFIG_USER_ONLY)
-void do_interrupt(CPUPPCState *env)
+void ppc_cpu_do_interrupt(CPUState *cs)
 {
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+    CPUPPCState *env = &cpu->env;
+
     env->exception_index = POWERPC_EXCP_NONE;
     env->error_code = 0;
 }
@@ -66,6 +69,7 @@ static inline void dump_syscall(CPUPPCState *env)
 static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
 {
     CPUPPCState *env = &cpu->env;
+    CPUState *cs;
     target_ulong msr, new_msr, vector;
     int srr0, srr1, asrr0, asrr1;
     int lpes0, lpes1, lev;
@@ -84,7 +88,11 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
                   " => %08x (%02x)\n", env->nip, excp, env->error_code);
 
     /* new srr1 value excluding must-be-zero bits */
-    msr = env->msr & ~0x783f0000ULL;
+    if (excp_model == POWERPC_EXCP_BOOKE) {
+        msr = env->msr;
+    } else {
+        msr = env->msr & ~0x783f0000ULL;
+    }
 
     /* new interrupt handler msr */
     new_msr = env->msr & ((target_ulong)1 << MSR_ME);
@@ -127,8 +135,9 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
                 fprintf(stderr, "Machine check while not allowed. "
                         "Entering checkstop state\n");
             }
-            env->halted = 1;
-            env->interrupt_request |= CPU_INTERRUPT_EXITTB;
+            cs = CPU(cpu);
+            cs->halted = 1;
+            cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
         }
         if (0) {
             /* XXX: find a suitable condition to enable the hypervisor mode */
@@ -145,6 +154,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
             srr1 = SPR_40x_SRR3;
             break;
         case POWERPC_EXCP_BOOKE:
+            /* FIXME: choose one or the other based on CPU type */
             srr0 = SPR_BOOKE_MCSRR0;
             srr1 = SPR_BOOKE_MCSRR1;
             asrr0 = SPR_BOOKE_CSRR0;
@@ -173,6 +183,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
         if (lpes0 == 1) {
             new_msr |= (target_ulong)MSR_HVB;
         }
+        if (env->mpic_proxy) {
+            /* IACK the IRQ on delivery */
+            env->spr[SPR_BOOKE_EPR] = ldl_phys(env->mpic_iack);
+        }
         goto store_next;
     case POWERPC_EXCP_ALIGN:     /* Alignment exception                      */
         if (lpes1 == 0) {
@@ -275,6 +289,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
     case POWERPC_EXCP_DEBUG:     /* Debug interrupt                          */
         switch (excp_model) {
         case POWERPC_EXCP_BOOKE:
+            /* FIXME: choose one or the other based on CPU type */
             srr0 = SPR_BOOKE_DSRR0;
             srr1 = SPR_BOOKE_DSRR1;
             asrr0 = SPR_BOOKE_CSRR0;
@@ -596,9 +611,19 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
         tlb_flush(env, 1);
     }
 
+#ifdef TARGET_PPC64
+    if (excp_model == POWERPC_EXCP_POWER7) {
+        if (env->spr[SPR_LPCR] & LPCR_ILE) {
+            new_msr |= (target_ulong)1 << MSR_LE;
+        }
+    } else if (msr_ile) {
+        new_msr |= (target_ulong)1 << MSR_LE;
+    }
+#else
     if (msr_ile) {
         new_msr |= (target_ulong)1 << MSR_LE;
     }
+#endif
 
     /* Jump to handler */
     vector = env->excp_vectors[excp];
@@ -642,9 +667,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
     }
 }
 
-void do_interrupt(CPUPPCState *env)
+void ppc_cpu_do_interrupt(CPUState *cs)
 {
-    PowerPCCPU *cpu = ppc_env_get_cpu(env);
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+    CPUPPCState *env = &cpu->env;
 
     powerpc_excp(cpu, env->excp_model, env->exception_index);
 }
@@ -653,11 +679,12 @@ void ppc_hw_interrupt(CPUPPCState *env)
 {
     PowerPCCPU *cpu = ppc_env_get_cpu(env);
     int hdice;
-
 #if 0
+    CPUState *cs = CPU(cpu);
+
     qemu_log_mask(CPU_LOG_INT, "%s: %p pending %08x req %08x me %d ee %d\n",
-                __func__, env, env->pending_interrupts,
-                env->interrupt_request, (int)msr_me, (int)msr_ee);
+                  __func__, env, env->pending_interrupts,
+                  cs->interrupt_request, (int)msr_me, (int)msr_ee);
 #endif
     /* External reset */
     if (env->pending_interrupts & (1 << PPC_INTERRUPT_RESET)) {
@@ -797,9 +824,12 @@ void helper_raise_exception(CPUPPCState *env, uint32_t exception)
 #if !defined(CONFIG_USER_ONLY)
 void helper_store_msr(CPUPPCState *env, target_ulong val)
 {
+    CPUState *cs;
+
     val = hreg_store_msr(env, val, 0);
     if (val != 0) {
-        env->interrupt_request |= CPU_INTERRUPT_EXITTB;
+        cs = CPU(ppc_env_get_cpu(env));
+        cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
         helper_raise_exception(env, val);
     }
 }
@@ -807,6 +837,8 @@ void helper_store_msr(CPUPPCState *env, target_ulong val)
 static inline void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr,
                           target_ulong msrm, int keep_msrh)
 {
+    CPUState *cs = CPU(ppc_env_get_cpu(env));
+
 #if defined(TARGET_PPC64)
     if (msr_is_64bit(env, msr)) {
         nip = (uint64_t)nip;
@@ -831,13 +863,18 @@ static inline void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr,
     /* No need to raise an exception here,
      * as rfi is always the last insn of a TB
      */
-    env->interrupt_request |= CPU_INTERRUPT_EXITTB;
+    cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
 }
 
 void helper_rfi(CPUPPCState *env)
 {
-    do_rfi(env, env->spr[SPR_SRR0], env->spr[SPR_SRR1],
-           ~((target_ulong)0x783F0000), 1);
+    if (env->excp_model == POWERPC_EXCP_BOOKE) {
+        do_rfi(env, env->spr[SPR_SRR0], env->spr[SPR_SRR1],
+               ~((target_ulong)0), 0);
+    } else {
+        do_rfi(env, env->spr[SPR_SRR0], env->spr[SPR_SRR1],
+               ~((target_ulong)0x783F0000), 1);
+    }
 }
 
 #if defined(TARGET_PPC64)
@@ -864,20 +901,22 @@ void helper_40x_rfci(CPUPPCState *env)
 
 void helper_rfci(CPUPPCState *env)
 {
-    do_rfi(env, env->spr[SPR_BOOKE_CSRR0], SPR_BOOKE_CSRR1,
-           ~((target_ulong)0x3FFF0000), 0);
+    do_rfi(env, env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
+           ~((target_ulong)0), 0);
 }
 
 void helper_rfdi(CPUPPCState *env)
 {
-    do_rfi(env, env->spr[SPR_BOOKE_DSRR0], SPR_BOOKE_DSRR1,
-           ~((target_ulong)0x3FFF0000), 0);
+    /* FIXME: choose CSRR1 or DSRR1 based on cpu type */
+    do_rfi(env, env->spr[SPR_BOOKE_DSRR0], env->spr[SPR_BOOKE_DSRR1],
+           ~((target_ulong)0), 0);
 }
 
 void helper_rfmci(CPUPPCState *env)
 {
-    do_rfi(env, env->spr[SPR_BOOKE_MCSRR0], SPR_BOOKE_MCSRR1,
-           ~((target_ulong)0x3FFF0000), 0);
+    /* FIXME: choose CSRR1 or MCSRR1 based on cpu type */
+    do_rfi(env, env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1],
+           ~((target_ulong)0), 0);
 }
 #endif
 
@@ -957,16 +996,19 @@ void helper_msgsnd(target_ulong rb)
 {
     int irq = dbell2irq(rb);
     int pir = rb & DBELL_PIRTAG_MASK;
-    CPUPPCState *cenv;
+    CPUState *cs;
 
     if (irq < 0) {
         return;
     }
 
-    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
+    CPU_FOREACH(cs) {
+        PowerPCCPU *cpu = POWERPC_CPU(cs);
+        CPUPPCState *cenv = &cpu->env;
+
         if ((rb & DBELL_BRDCAST) || (cenv->spr[SPR_BOOKE_PIR] == pir)) {
             cenv->pending_interrupts |= 1 << irq;
-            cpu_interrupt(cenv, CPU_INTERRUPT_HARD);
+            cpu_interrupt(cs, CPU_INTERRUPT_HARD);
         }
     }
 }