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-rw-r--r--target/ppc/excp_helper.c418
1 files changed, 144 insertions, 274 deletions
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 6bb6fee8f6..80f584f933 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -35,7 +35,7 @@
/*****************************************************************************/
/* Exception processing */
-#if !defined(CONFIG_USER_ONLY)
+#ifndef CONFIG_USER_ONLY
static const char *powerpc_excp_name(int excp)
{
@@ -186,7 +186,7 @@ static void ppc_excp_debug_sw_tlb(CPUPPCState *env, int excp)
env->error_code);
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
static int powerpc_reset_wakeup(CPUPPCState *env, int excp, target_ulong *msr)
{
/* We no longer are in a PM state */
@@ -380,7 +380,7 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp, target_ulong msr,
}
}
}
-#endif
+#endif /* TARGET_PPC64 */
static void powerpc_reset_excp_state(PowerPCCPU *cpu)
{
@@ -403,9 +403,8 @@ static void powerpc_set_excp_state(PowerPCCPU *cpu, target_ulong vector,
* We don't use hreg_store_msr here as already have treated any
* special case that could occur. Just store MSR and update hflags
*
- * Note: We *MUST* not use hreg_store_msr() as-is anyway because it
- * will prevent setting of the HV bit which some exceptions might need
- * to do.
+ * Note: We *MUST* not use hreg_store_msr() as-is anyway because it will
+ * prevent setting of the HV bit which some exceptions might need to do.
*/
env->nip = vector;
env->msr = msr;
@@ -445,38 +444,26 @@ static void powerpc_mcheck_checkstop(CPUPPCState *env)
static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
- int srr0, srr1;
+ int srr0 = SPR_SRR0, srr1 = SPR_SRR1;
/* new srr1 value excluding must-be-zero bits */
msr = env->msr & ~0x783f0000ULL;
- /*
- * new interrupt handler msr preserves existing ME unless
- * explicitly overridden.
- */
+ /* new interrupt handler msr preserves ME unless explicitly overridden */
new_msr = env->msr & (((target_ulong)1 << MSR_ME));
- /* target registers */
- srr0 = SPR_SRR0;
- srr1 = SPR_SRR1;
-
- /*
- * Hypervisor emulation assistance interrupt only exists on server
- * arch 2.05 server or later.
- */
+ /* HV emu assistance interrupt only exists on server arch 2.05 or later */
if (excp == POWERPC_EXCP_HV_EMU) {
excp = POWERPC_EXCP_PROGRAM;
}
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
- cpu_abort(cs, "Raised an exception without defined vector %d\n",
- excp);
+ cpu_abort(env_cpu(env),
+ "Raised an exception without defined vector %d\n", excp);
}
-
vector |= env->excp_prefix;
switch (excp) {
@@ -488,7 +475,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
powerpc_mcheck_checkstop(env);
/* machine check exceptions don't have ME set */
new_msr &= ~((target_ulong)1 << MSR_ME);
-
srr0 = SPR_40x_SRR2;
srr1 = SPR_40x_SRR3;
break;
@@ -523,7 +509,7 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
env->spr[SPR_40x_ESR] = ESR_PTR;
break;
default:
- cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+ cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n",
env->error_code);
break;
}
@@ -550,52 +536,41 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
trace_ppc_excp_print("PIT");
break;
case POWERPC_EXCP_DEBUG: /* Debug interrupt */
- cpu_abort(cs, "%s exception not implemented\n",
+ cpu_abort(env_cpu(env), "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
break;
}
- /* Save PC */
env->spr[srr0] = env->nip;
-
- /* Save MSR */
env->spr[srr1] = msr;
-
powerpc_set_excp_state(cpu, vector, new_msr);
}
static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
/* new srr1 value excluding must-be-zero bits */
msr = env->msr & ~0x783f0000ULL;
- /*
- * new interrupt handler msr preserves existing ME unless
- * explicitly overridden
- */
+ /* new interrupt handler msr preserves ME unless explicitly overridden */
new_msr = env->msr & ((target_ulong)1 << MSR_ME);
- /*
- * Hypervisor emulation assistance interrupt only exists on server
- * arch 2.05 server or later.
- */
+ /* HV emu assistance interrupt only exists on server arch 2.05 or later */
if (excp == POWERPC_EXCP_HV_EMU) {
excp = POWERPC_EXCP_PROGRAM;
}
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
- cpu_abort(cs, "Raised an exception without defined vector %d\n",
- excp);
+ cpu_abort(env_cpu(env),
+ "Raised an exception without defined vector %d\n", excp);
}
-
vector |= env->excp_prefix;
switch (excp) {
@@ -605,7 +580,6 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
powerpc_mcheck_checkstop(env);
/* machine check exceptions don't have ME set */
new_msr &= ~((target_ulong)1 << MSR_ME);
-
break;
case POWERPC_EXCP_DSI: /* Data storage exception */
trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);
@@ -633,11 +607,9 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
powerpc_reset_excp_state(cpu);
return;
}
-
/*
- * FP exceptions always have NIP pointing to the faulting
- * instruction, so always use store_next and claim we are
- * precise in the MSR.
+ * NIP always points to the faulting instruction for FP exceptions,
+ * so always use store_next and claim we are precise in the MSR.
*/
msr |= 0x00100000;
break;
@@ -653,7 +625,7 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
break;
default:
/* Should never occur */
- cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+ cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n",
env->error_code);
break;
}
@@ -675,8 +647,9 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
break;
case POWERPC_EXCP_RESET: /* System reset exception */
if (FIELD_EX64(env->msr, MSR, POW)) {
- cpu_abort(cs, "Trying to deliver power-saving system reset "
- "exception %d with no HV support\n", excp);
+ cpu_abort(env_cpu(env),
+ "Trying to deliver power-saving system reset exception "
+ "%d with no HV support\n", excp);
}
break;
case POWERPC_EXCP_TRACE: /* Trace exception */
@@ -703,60 +676,44 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_SMI: /* System management interrupt */
case POWERPC_EXCP_MEXTBR: /* Maskable external breakpoint */
case POWERPC_EXCP_NMEXTBR: /* Non maskable external breakpoint */
- cpu_abort(cs, "%s exception not implemented\n",
+ cpu_abort(env_cpu(env), "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
break;
}
- /*
- * Sort out endianness of interrupt, this differs depending on the
- * CPU, the HV mode, etc...
- */
if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) {
new_msr |= (target_ulong)1 << MSR_LE;
}
-
- /* Save PC */
env->spr[SPR_SRR0] = env->nip;
-
- /* Save MSR */
env->spr[SPR_SRR1] = msr;
-
powerpc_set_excp_state(cpu, vector, new_msr);
}
static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
/* new srr1 value excluding must-be-zero bits */
msr = env->msr & ~0x783f0000ULL;
- /*
- * new interrupt handler msr preserves existing ME unless
- * explicitly overridden
- */
+ /* new interrupt handler msr preserves ME unless explicitly overridden */
new_msr = env->msr & ((target_ulong)1 << MSR_ME);
- /*
- * Hypervisor emulation assistance interrupt only exists on server
- * arch 2.05 server or later.
- */
+ /* HV emu assistance interrupt only exists on server arch 2.05 or later */
if (excp == POWERPC_EXCP_HV_EMU) {
excp = POWERPC_EXCP_PROGRAM;
}
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
- cpu_abort(cs, "Raised an exception without defined vector %d\n",
- excp);
+ cpu_abort(env_cpu(env),
+ "Raised an exception without defined vector %d\n", excp);
}
-
vector |= env->excp_prefix;
switch (excp) {
@@ -764,7 +721,6 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
powerpc_mcheck_checkstop(env);
/* machine check exceptions don't have ME set */
new_msr &= ~((target_ulong)1 << MSR_ME);
-
break;
case POWERPC_EXCP_DSI: /* Data storage exception */
trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);
@@ -792,11 +748,9 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
powerpc_reset_excp_state(cpu);
return;
}
-
/*
- * FP exceptions always have NIP pointing to the faulting
- * instruction, so always use store_next and claim we are
- * precise in the MSR.
+ * NIP always points to the faulting instruction for FP exceptions,
+ * so always use store_next and claim we are precise in the MSR.
*/
msr |= 0x00100000;
break;
@@ -812,7 +766,7 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
break;
default:
/* Should never occur */
- cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+ cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n",
env->error_code);
break;
}
@@ -854,8 +808,9 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
break;
case POWERPC_EXCP_RESET: /* System reset exception */
if (FIELD_EX64(env->msr, MSR, POW)) {
- cpu_abort(cs, "Trying to deliver power-saving system reset "
- "exception %d with no HV support\n", excp);
+ cpu_abort(env_cpu(env),
+ "Trying to deliver power-saving system reset exception "
+ "%d with no HV support\n", excp);
}
break;
case POWERPC_EXCP_TRACE: /* Trace exception */
@@ -864,71 +819,53 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
ppc_excp_debug_sw_tlb(env, excp);
-
msr |= env->crf[0] << 28;
msr |= env->error_code; /* key, D/I, S/L bits */
/* Set way using a LRU mechanism */
msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
-
break;
case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
case POWERPC_EXCP_SMI: /* System management interrupt */
case POWERPC_EXCP_THERM: /* Thermal interrupt */
case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */
- cpu_abort(cs, "%s exception not implemented\n",
+ cpu_abort(env_cpu(env), "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
break;
}
- /*
- * Sort out endianness of interrupt, this differs depending on the
- * CPU, the HV mode, etc...
- */
if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) {
new_msr |= (target_ulong)1 << MSR_LE;
}
-
- /* Save PC */
env->spr[SPR_SRR0] = env->nip;
-
- /* Save MSR */
env->spr[SPR_SRR1] = msr;
-
powerpc_set_excp_state(cpu, vector, new_msr);
}
static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
/* new srr1 value excluding must-be-zero bits */
msr = env->msr & ~0x783f0000ULL;
- /*
- * new interrupt handler msr preserves existing ME unless
- * explicitly overridden
- */
+ /* new interrupt handler msr preserves ME unless explicitly overridden */
new_msr = env->msr & ((target_ulong)1 << MSR_ME);
- /*
- * Hypervisor emulation assistance interrupt only exists on server
- * arch 2.05 server or later.
- */
+ /* HV emu assistance interrupt only exists on server arch 2.05 or later */
if (excp == POWERPC_EXCP_HV_EMU) {
excp = POWERPC_EXCP_PROGRAM;
}
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
- cpu_abort(cs, "Raised an exception without defined vector %d\n",
- excp);
+ cpu_abort(env_cpu(env),
+ "Raised an exception without defined vector %d\n", excp);
}
-
vector |= env->excp_prefix;
switch (excp) {
@@ -936,7 +873,6 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
powerpc_mcheck_checkstop(env);
/* machine check exceptions don't have ME set */
new_msr &= ~((target_ulong)1 << MSR_ME);
-
break;
case POWERPC_EXCP_DSI: /* Data storage exception */
trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);
@@ -964,11 +900,9 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
powerpc_reset_excp_state(cpu);
return;
}
-
/*
- * FP exceptions always have NIP pointing to the faulting
- * instruction, so always use store_next and claim we are
- * precise in the MSR.
+ * NIP always points to the faulting instruction for FP exceptions,
+ * so always use store_next and claim we are precise in the MSR.
*/
msr |= 0x00100000;
break;
@@ -984,7 +918,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
break;
default:
/* Should never occur */
- cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+ cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n",
env->error_code);
break;
}
@@ -1026,7 +960,8 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
break;
case POWERPC_EXCP_RESET: /* System reset exception */
if (FIELD_EX64(env->msr, MSR, POW)) {
- cpu_abort(cs, "Trying to deliver power-saving system reset "
+ cpu_abort(env_cpu(env),
+ "Trying to deliver power-saving system reset "
"exception %d with no HV support\n", excp);
}
break;
@@ -1039,54 +974,39 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_THERM: /* Thermal interrupt */
case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */
case POWERPC_EXCP_VPUA: /* Vector assist exception */
- cpu_abort(cs, "%s exception not implemented\n",
+ cpu_abort(env_cpu(env), "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
break;
}
- /*
- * Sort out endianness of interrupt, this differs depending on the
- * CPU, the HV mode, etc...
- */
if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) {
new_msr |= (target_ulong)1 << MSR_LE;
}
-
- /* Save PC */
env->spr[SPR_SRR0] = env->nip;
-
- /* Save MSR */
env->spr[SPR_SRR1] = msr;
-
powerpc_set_excp_state(cpu, vector, new_msr);
}
static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
- int srr0, srr1;
-
- msr = env->msr;
+ int srr0 = SPR_SRR0, srr1 = SPR_SRR1;
/*
- * new interrupt handler msr preserves existing ME unless
- * explicitly overridden
+ * Book E does not play games with certain bits of xSRR1 being MSR save
+ * bits and others being error status. xSRR1 is the old MSR, period.
*/
- new_msr = env->msr & ((target_ulong)1 << MSR_ME);
+ msr = env->msr;
- /* target registers */
- srr0 = SPR_SRR0;
- srr1 = SPR_SRR1;
+ /* new interrupt handler msr preserves ME unless explicitly overridden */
+ new_msr = env->msr & ((target_ulong)1 << MSR_ME);
- /*
- * Hypervisor emulation assistance interrupt only exists on server
- * arch 2.05 server or later.
- */
+ /* HV emu assistance interrupt only exists on server arch 2.05 or later */
if (excp == POWERPC_EXCP_HV_EMU) {
excp = POWERPC_EXCP_PROGRAM;
}
@@ -1103,10 +1023,9 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
- cpu_abort(cs, "Raised an exception without defined vector %d\n",
- excp);
+ cpu_abort(env_cpu(env),
+ "Raised an exception without defined vector %d\n", excp);
}
-
vector |= env->excp_prefix;
switch (excp) {
@@ -1135,6 +1054,7 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
break;
case POWERPC_EXCP_EXTERNAL: /* External input */
if (env->mpic_proxy) {
+ CPUState *cs = env_cpu(env);
/* IACK the IRQ on delivery */
env->spr[SPR_BOOKE_EPR] = ldl_phys(cs->as, env->mpic_iack);
}
@@ -1149,11 +1069,9 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
powerpc_reset_excp_state(cpu);
return;
}
-
/*
- * FP exceptions always have NIP pointing to the faulting
- * instruction, so always use store_next and claim we are
- * precise in the MSR.
+ * NIP always points to the faulting instruction for FP exceptions,
+ * so always use store_next and claim we are precise in the MSR.
*/
msr |= 0x00100000;
env->spr[SPR_BOOKE_ESR] = ESR_FP;
@@ -1173,7 +1091,7 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
break;
default:
/* Should never occur */
- cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+ cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n",
env->error_code);
break;
}
@@ -1214,7 +1132,8 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
/* DBSR already modified by caller */
} else {
- cpu_abort(cs, "Debug exception triggered on unsupported model\n");
+ cpu_abort(env_cpu(env),
+ "Debug exception triggered on unsupported model\n");
}
break;
case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavailable/VPU */
@@ -1228,21 +1147,23 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
break;
case POWERPC_EXCP_RESET: /* System reset exception */
if (FIELD_EX64(env->msr, MSR, POW)) {
- cpu_abort(cs, "Trying to deliver power-saving system reset "
+ cpu_abort(env_cpu(env),
+ "Trying to deliver power-saving system reset "
"exception %d with no HV support\n", excp);
}
break;
case POWERPC_EXCP_EFPDI: /* Embedded floating-point data interrupt */
case POWERPC_EXCP_EFPRI: /* Embedded floating-point round interrupt */
- cpu_abort(cs, "%s exception not implemented\n",
+ cpu_abort(env_cpu(env), "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
break;
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
if (env->spr[SPR_BOOKE_EPCR] & EPCR_ICM) {
/* Cat.64-bit: EPCR.ICM is copied to MSR.CM */
new_msr |= (target_ulong)1 << MSR_CM;
@@ -1251,12 +1172,8 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
}
#endif
- /* Save PC */
env->spr[srr0] = env->nip;
-
- /* Save MSR */
env->spr[srr1] = msr;
-
powerpc_set_excp_state(cpu, vector, new_msr);
}
@@ -1376,24 +1293,19 @@ static bool is_prefix_insn_excp(PowerPCCPU *cpu, int excp)
static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
- int srr0, srr1, lev = -1;
+ int srr0 = SPR_SRR0, srr1 = SPR_SRR1, lev = -1;
/* new srr1 value excluding must-be-zero bits */
msr = env->msr & ~0x783f0000ULL;
/*
- * new interrupt handler msr preserves existing HV and ME unless
- * explicitly overridden
+ * new interrupt handler msr preserves HV and ME unless explicitly
+ * overridden
*/
new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB);
- /* target registers */
- srr0 = SPR_SRR0;
- srr1 = SPR_SRR1;
-
/*
* check for special resume at 0x100 from doze/nap/sleep/winkle on
* P7/P8/P9
@@ -1415,10 +1327,9 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
- cpu_abort(cs, "Raised an exception without defined vector %d\n",
- excp);
+ cpu_abort(env_cpu(env),
+ "Raised an exception without defined vector %d\n", excp);
}
-
vector |= env->excp_prefix;
if (is_prefix_insn_excp(cpu, excp)) {
@@ -1435,7 +1346,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
*/
new_msr |= (target_ulong)MSR_HVB;
}
-
/* machine check exceptions don't have ME set */
new_msr &= ~((target_ulong)1 << MSR_ME);
@@ -1453,23 +1363,17 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
{
bool lpes0;
- /*
- * LPES0 is only taken into consideration if we support HV
- * mode for this CPU.
- */
+ /* LPES0 is only taken into consideration if we support HV mode */
if (!env->has_hv_mode) {
break;
}
-
lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
-
if (!lpes0) {
new_msr |= (target_ulong)MSR_HVB;
new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
srr0 = SPR_HSRR0;
srr1 = SPR_HSRR1;
}
-
break;
}
case POWERPC_EXCP_ALIGN: /* Alignment exception */
@@ -1492,11 +1396,9 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
powerpc_reset_excp_state(cpu);
return;
}
-
/*
- * FP exceptions always have NIP pointing to the faulting
- * instruction, so always use store_next and claim we are
- * precise in the MSR.
+ * NIP always points to the faulting instruction for FP exceptions,
+ * so always use store_next and claim we are precise in the MSR.
*/
msr |= 0x00100000;
break;
@@ -1512,7 +1414,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
break;
default:
/* Should never occur */
- cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+ cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n",
env->error_code);
break;
}
@@ -1578,7 +1480,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
new_msr |= (target_ulong)MSR_HVB;
} else {
if (FIELD_EX64(env->msr, MSR, POW)) {
- cpu_abort(cs, "Trying to deliver power-saving system reset "
+ cpu_abort(env_cpu(env),
+ "Trying to deliver power-saving system reset "
"exception %d with no HV support\n", excp);
}
}
@@ -1650,29 +1553,22 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_VPUA: /* Vector assist exception */
case POWERPC_EXCP_MAINT: /* Maintenance exception */
case POWERPC_EXCP_HV_MAINT: /* Hypervisor Maintenance exception */
- cpu_abort(cs, "%s exception not implemented\n",
+ cpu_abort(env_cpu(env), "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
break;
}
- /*
- * Sort out endianness of interrupt, this differs depending on the
- * CPU, the HV mode, etc...
- */
if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) {
new_msr |= (target_ulong)1 << MSR_LE;
}
-
new_msr |= (target_ulong)1 << MSR_SF;
if (excp != POWERPC_EXCP_SYSCALL_VECTORED) {
- /* Save PC */
env->spr[srr0] = env->nip;
-
- /* Save MSR */
env->spr[srr1] = msr;
}
@@ -1681,19 +1577,15 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
/* Deliver interrupt to L1 by returning from the H_ENTER_NESTED call */
vhc->deliver_hv_excp(cpu, excp);
-
powerpc_reset_excp_state(cpu);
-
} else {
/* Sanity check */
if (!(env->msr_mask & MSR_HVB) && srr0 == SPR_HSRR0) {
- cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with "
- "no HV support\n", excp);
+ cpu_abort(env_cpu(env), "Trying to deliver HV exception (HSRR) %d "
+ "with no HV support\n", excp);
}
-
/* This can update new_msr and vector if AIL applies */
ppc_excp_apply_ail(cpu, excp, msr, &new_msr, &vector);
-
powerpc_set_excp_state(cpu, vector, new_msr);
}
}
@@ -1702,15 +1594,15 @@ static inline void powerpc_excp_books(PowerPCCPU *cpu, int excp)
{
g_assert_not_reached();
}
-#endif
+#endif /* TARGET_PPC64 */
static void powerpc_excp(PowerPCCPU *cpu, int excp)
{
- CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
- cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+ cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n",
+ excp);
}
qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
@@ -1753,7 +1645,7 @@ void ppc_cpu_do_interrupt(CPUState *cs)
powerpc_excp(cpu, cs->exception_index);
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
#define P7_UNUSED_INTERRUPTS \
(PPC_INTERRUPT_RESET | PPC_INTERRUPT_HVIRT | PPC_INTERRUPT_CEXT | \
PPC_INTERRUPT_WDT | PPC_INTERRUPT_CDOORBELL | PPC_INTERRUPT_FIT | \
@@ -2084,10 +1976,23 @@ static int p9_next_unmasked_interrupt(CPUPPCState *env)
return 0;
}
-#endif
+#endif /* TARGET_PPC64 */
-static int ppc_next_unmasked_interrupt_generic(CPUPPCState *env)
+static int ppc_next_unmasked_interrupt(CPUPPCState *env)
{
+#ifdef TARGET_PPC64
+ switch (env->excp_model) {
+ case POWERPC_EXCP_POWER7:
+ return p7_next_unmasked_interrupt(env);
+ case POWERPC_EXCP_POWER8:
+ return p8_next_unmasked_interrupt(env);
+ case POWERPC_EXCP_POWER9:
+ case POWERPC_EXCP_POWER10:
+ return p9_next_unmasked_interrupt(env);
+ default:
+ break;
+ }
+#endif
bool async_deliver;
/* External reset */
@@ -2198,23 +2103,6 @@ static int ppc_next_unmasked_interrupt_generic(CPUPPCState *env)
return 0;
}
-static int ppc_next_unmasked_interrupt(CPUPPCState *env)
-{
- switch (env->excp_model) {
-#if defined(TARGET_PPC64)
- case POWERPC_EXCP_POWER7:
- return p7_next_unmasked_interrupt(env);
- case POWERPC_EXCP_POWER8:
- return p8_next_unmasked_interrupt(env);
- case POWERPC_EXCP_POWER9:
- case POWERPC_EXCP_POWER10:
- return p9_next_unmasked_interrupt(env);
-#endif
- default:
- return ppc_next_unmasked_interrupt_generic(env);
- }
-}
-
/*
* Sets CPU_INTERRUPT_HARD if there is at least one unmasked interrupt to be
* delivered and clears CPU_INTERRUPT_HARD otherwise.
@@ -2240,11 +2128,10 @@ void ppc_maybe_interrupt(CPUPPCState *env)
}
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
static void p7_deliver_interrupt(CPUPPCState *env, int interrupt)
{
PowerPCCPU *cpu = env_archcpu(env);
- CPUState *cs = env_cpu(env);
switch (interrupt) {
case PPC_INTERRUPT_MCK: /* Machine check exception */
@@ -2288,14 +2175,14 @@ static void p7_deliver_interrupt(CPUPPCState *env, int interrupt)
assert(!env->resume_as_sreset);
break;
default:
- cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt);
+ cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n",
+ interrupt);
}
}
static void p8_deliver_interrupt(CPUPPCState *env, int interrupt)
{
PowerPCCPU *cpu = env_archcpu(env);
- CPUState *cs = env_cpu(env);
switch (interrupt) {
case PPC_INTERRUPT_MCK: /* Machine check exception */
@@ -2359,7 +2246,8 @@ static void p8_deliver_interrupt(CPUPPCState *env, int interrupt)
assert(!env->resume_as_sreset);
break;
default:
- cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt);
+ cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n",
+ interrupt);
}
}
@@ -2438,15 +2326,28 @@ static void p9_deliver_interrupt(CPUPPCState *env, int interrupt)
assert(!env->resume_as_sreset);
break;
default:
- cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt);
+ cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n",
+ interrupt);
}
}
-#endif
+#endif /* TARGET_PPC64 */
-static void ppc_deliver_interrupt_generic(CPUPPCState *env, int interrupt)
+static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
{
+#ifdef TARGET_PPC64
+ switch (env->excp_model) {
+ case POWERPC_EXCP_POWER7:
+ return p7_deliver_interrupt(env, interrupt);
+ case POWERPC_EXCP_POWER8:
+ return p8_deliver_interrupt(env, interrupt);
+ case POWERPC_EXCP_POWER9:
+ case POWERPC_EXCP_POWER10:
+ return p9_deliver_interrupt(env, interrupt);
+ default:
+ break;
+ }
+#endif
PowerPCCPU *cpu = env_archcpu(env);
- CPUState *cs = env_cpu(env);
switch (interrupt) {
case PPC_INTERRUPT_RESET: /* External reset */
@@ -2543,27 +2444,8 @@ static void ppc_deliver_interrupt_generic(CPUPPCState *env, int interrupt)
assert(!env->resume_as_sreset);
break;
default:
- cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt);
- }
-}
-
-static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
-{
- switch (env->excp_model) {
-#if defined(TARGET_PPC64)
- case POWERPC_EXCP_POWER7:
- p7_deliver_interrupt(env, interrupt);
- break;
- case POWERPC_EXCP_POWER8:
- p8_deliver_interrupt(env, interrupt);
- break;
- case POWERPC_EXCP_POWER9:
- case POWERPC_EXCP_POWER10:
- p9_deliver_interrupt(env, interrupt);
- break;
-#endif
- default:
- ppc_deliver_interrupt_generic(env, interrupt);
+ cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n",
+ interrupt);
}
}
@@ -2659,10 +2541,8 @@ void helper_raise_exception(CPUPPCState *env, uint32_t exception)
{
raise_exception_err_ra(env, exception, 0, 0);
}
-#endif
-#if !defined(CONFIG_USER_ONLY)
-#ifdef CONFIG_TCG
+#ifndef CONFIG_USER_ONLY
void helper_store_msr(CPUPPCState *env, target_ulong val)
{
uint32_t excp = hreg_store_msr(env, val, 0);
@@ -2678,7 +2558,7 @@ void helper_ppc_maybe_interrupt(CPUPPCState *env)
ppc_maybe_interrupt(env);
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
void helper_scv(CPUPPCState *env, uint32_t lev)
{
if (env->spr[SPR_FSCR] & (1ull << FSCR_SCV)) {
@@ -2706,7 +2586,7 @@ void helper_pminsn(CPUPPCState *env, uint32_t insn)
ppc_maybe_interrupt(env);
}
-#endif /* defined(TARGET_PPC64) */
+#endif /* TARGET_PPC64 */
static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr)
{
@@ -2717,7 +2597,7 @@ static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr)
if (env->flags & POWERPC_FLAG_TGPR)
msr &= ~(1ULL << MSR_TGPR);
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
/* Switching to 32-bit ? Crop the nip */
if (!msr_is_64bit(env, msr)) {
nip = (uint32_t)nip;
@@ -2746,7 +2626,7 @@ void helper_rfi(CPUPPCState *env)
do_rfi(env, env->spr[SPR_SRR0], env->spr[SPR_SRR1] & 0xfffffffful);
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
void helper_rfid(CPUPPCState *env)
{
/*
@@ -2767,9 +2647,7 @@ void helper_hrfid(CPUPPCState *env)
{
do_rfi(env, env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
}
-#endif
-#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
void helper_rfebb(CPUPPCState *env, target_ulong s)
{
target_ulong msr = env->msr;
@@ -2844,7 +2722,7 @@ void raise_ebb_perfm_exception(CPUPPCState *env)
do_ebb(env, POWERPC_EXCP_PERFM_EBB);
}
-#endif
+#endif /* TARGET_PPC64 */
/*****************************************************************************/
/* Embedded PowerPC specific helpers */
@@ -2869,10 +2747,8 @@ void helper_rfmci(CPUPPCState *env)
/* FIXME: choose CSRR1 or MCSRR1 based on cpu type */
do_rfi(env, env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);
}
-#endif /* CONFIG_TCG */
-#endif /* !defined(CONFIG_USER_ONLY) */
+#endif /* !CONFIG_USER_ONLY */
-#ifdef CONFIG_TCG
void helper_tw(CPUPPCState *env, target_ulong arg1, target_ulong arg2,
uint32_t flags)
{
@@ -2886,7 +2762,7 @@ void helper_tw(CPUPPCState *env, target_ulong arg1, target_ulong arg2,
}
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
void helper_td(CPUPPCState *env, target_ulong arg1, target_ulong arg2,
uint32_t flags)
{
@@ -2899,10 +2775,8 @@ void helper_td(CPUPPCState *env, target_ulong arg1, target_ulong arg2,
POWERPC_EXCP_TRAP, GETPC());
}
}
-#endif
-#endif
+#endif /* TARGET_PPC64 */
-#ifdef CONFIG_TCG
static uint32_t helper_SIMON_LIKE_32_64(uint32_t x, uint64_t key, uint32_t lane)
{
const uint16_t c = 0xfffc;
@@ -3013,12 +2887,8 @@ HELPER_HASH(HASHST, env->spr[SPR_HASHKEYR], true, NPHIE)
HELPER_HASH(HASHCHK, env->spr[SPR_HASHKEYR], false, NPHIE)
HELPER_HASH(HASHSTP, env->spr[SPR_HASHPKEYR], true, PHIE)
HELPER_HASH(HASHCHKP, env->spr[SPR_HASHPKEYR], false, PHIE)
-#endif /* CONFIG_TCG */
-
-#if !defined(CONFIG_USER_ONLY)
-
-#ifdef CONFIG_TCG
+#ifndef CONFIG_USER_ONLY
/* Embedded.Processor Control */
static int dbell2irq(target_ulong rb)
{
@@ -3125,7 +2995,7 @@ void helper_book3s_msgsnd(target_ulong rb)
book3s_msgsnd_common(pir, PPC_INTERRUPT_HDOORBELL);
}
-#if defined(TARGET_PPC64)
+#ifdef TARGET_PPC64
void helper_book3s_msgclrp(CPUPPCState *env, target_ulong rb)
{
helper_hfscr_facility_check(env, HFSCR_MSGP, "msgclrp", HFSCR_IC_MSGP);
@@ -3365,5 +3235,5 @@ bool ppc_cpu_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp)
return false;
}
-#endif /* CONFIG_TCG */
#endif /* !CONFIG_USER_ONLY */
+#endif /* CONFIG_TCG */