---
target/ppc/excp_helper.c | 161 ++++-----------------------------------
1 file changed, 14 insertions(+), 147 deletions(-)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 08aca37f0a..0d27dfb2c5 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -551,6 +551,7 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
powerpc_set_excp_state(cpu, vector, new_msr);
}
+#ifdef TARGET_PPC64
static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
{
CPUState *cs = CPU(cpu);
@@ -568,11 +569,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
excp, env->error_code);
/* new srr1 value excluding must-be-zero bits */
- if (excp_model == POWERPC_EXCP_BOOKE) {
- msr = env->msr;
- } else {
- msr = env->msr & ~0x783f0000ULL;
- }
+ msr = env->msr & ~0x783f0000ULL;
/*
* new interrupt handler msr preserves existing HV and ME unless
@@ -593,29 +590,13 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
}
/*
- * Hypervisor emulation assistance interrupt only exists on server
- * arch 2.05 server or later. We also don't want to generate it if
- * we don't have HVB in msr_mask (PAPR mode).
+ * We don't want to generate a Hypervisor Emulation Assistance
+ * Interrupt if we don't have HVB in msr_mask (PAPR mode).
*/
- if (excp == POWERPC_EXCP_HV_EMU
-#if defined(TARGET_PPC64)
- && !(mmu_is_64bit(env->mmu_model) && (env->msr_mask & MSR_HVB))
-#endif /* defined(TARGET_PPC64) */
-
- ) {
+ if (excp == POWERPC_EXCP_HV_EMU && !(env->msr_mask & MSR_HVB)) {
excp = POWERPC_EXCP_PROGRAM;
}
-#ifdef TARGET_PPC64
- /*
- * SPEU and VPU share the same IVOR but they exist in different
- * processors. SPEU is e500v1/2 only and VPU is e6500 only.
- */
- if (excp_model == POWERPC_EXCP_BOOKE && excp == POWERPC_EXCP_VPU) {
- excp = POWERPC_EXCP_SPEU;
- }
-#endif
-
vector = env->excp_vectors[excp];
if (vector == (target_ulong)-1ULL) {
cpu_abort(cs, "Raised an exception without defined vector %d\n",
@@ -625,22 +606,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
vector |= env->excp_prefix;
switch (excp) {
- case POWERPC_EXCP_CRITICAL: /* Critical input */
- switch (excp_model) {
- case POWERPC_EXCP_40x:
- srr0 = SPR_40x_SRR2;
- srr1 = SPR_40x_SRR3;
- break;
- case POWERPC_EXCP_BOOKE:
- srr0 = SPR_BOOKE_CSRR0;
- srr1 = SPR_BOOKE_CSRR1;
- break;
- case POWERPC_EXCP_G2:
- break;
- default:
- goto excp_invalid;
- }
- break;
case POWERPC_EXCP_MCHECK: /* Machine check exception
*/
if (msr_me == 0) {
/*
@@ -817,50 +782,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
env->ctr = msr;
break;
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception
*/
- case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
case POWERPC_EXCP_DECR: /* Decrementer exception
*/
break;
- case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
- /* FIT on 4xx */
- trace_ppc_excp_print("FIT");
- break;
- case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
- trace_ppc_excp_print("WDT");
- switch (excp_model) {
- case POWERPC_EXCP_BOOKE:
- srr0 = SPR_BOOKE_CSRR0;
- srr1 = SPR_BOOKE_CSRR1;
- break;
- default:
- break;
- }
- break;
- case POWERPC_EXCP_DTLB: /* Data TLB error */
- case POWERPC_EXCP_ITLB: /* Instruction TLB error */
- break;
- case POWERPC_EXCP_DEBUG: /* Debug interrupt */
- if (env->flags & POWERPC_FLAG_DE) {
- /* FIXME: choose one or the other based on CPU type */
- srr0 = SPR_BOOKE_DSRR0;
- srr1 = SPR_BOOKE_DSRR1;
-
- env->spr[SPR_BOOKE_CSRR0] = env->nip;
- env->spr[SPR_BOOKE_CSRR1] = msr;
-
- /* DBSR already modified by caller */
- } else {
- cpu_abort(cs, "Debug exception triggered on unsupported model\n");
- }
- break;
- case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavailable/VPU
*/
- env->spr[SPR_BOOKE_ESR] = ESR_SPV;
- break;
- case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
- break;
- case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
- srr0 = SPR_BOOKE_CSRR0;
- srr1 = SPR_BOOKE_CSRR1;
- break;
case POWERPC_EXCP_RESET: /* System reset exception
*/
/* A power-saving exception sets ME, otherwise it is unchanged */
if (msr_pow) {
@@ -890,8 +813,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
/* fall through */
case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception
*/
case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception
*/
- case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
- case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment exception */
case POWERPC_EXCP_SDOOR_HV: /* Hypervisor Doorbell interrupt
*/
case POWERPC_EXCP_HV_EMU:
case POWERPC_EXCP_HVIRT: /* Hypervisor virtualization
*/
@@ -903,70 +824,25 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_VPU: /* Vector unavailable exception
*/
case POWERPC_EXCP_VSXU: /* VSX unavailable exception
*/
case POWERPC_EXCP_FU: /* Facility unavailable exception
*/
-#ifdef TARGET_PPC64
env->spr[SPR_FSCR] |= ((target_ulong)env->error_code << 56);
-#endif
break;
case POWERPC_EXCP_HV_FU: /* Hypervisor Facility Unavailable Exception
*/
-#ifdef TARGET_PPC64
env->spr[SPR_HFSCR] |= ((target_ulong)env->error_code << FSCR_IC_POS);
srr0 = SPR_HSRR0;
srr1 = SPR_HSRR1;
new_msr |= (target_ulong)MSR_HVB;
new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
-#endif
break;
- case POWERPC_EXCP_PIT: /* Programmable interval timer interrupt */
- trace_ppc_excp_print("PIT");
- break;
- case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
- case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
- case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
- switch (excp_model) {
- case POWERPC_EXCP_602:
- case POWERPC_EXCP_603:
- case POWERPC_EXCP_G2:
- /* Swap temporary saved registers with GPRs */
- if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) {
- new_msr |= (target_ulong)1 << MSR_TGPR;
- hreg_swap_gpr_tgpr(env);
- }
- /* fall through */
- case POWERPC_EXCP_7x5:
- 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;
- default:
- cpu_abort(cs, "Invalid TLB miss exception\n");
- break;
- }
- break;
- case POWERPC_EXCP_EFPDI: /* Embedded floating-point data interrupt */
- case POWERPC_EXCP_EFPRI: /* Embedded floating-point round interrupt */
- case POWERPC_EXCP_EPERFM: /* Embedded performance monitor interrupt */
- case POWERPC_EXCP_IO: /* IO error exception */
- case POWERPC_EXCP_RUNM: /* Run mode exception */
- case POWERPC_EXCP_EMUL: /* Emulation trap exception */
- case POWERPC_EXCP_FPA: /* Floating-point assist exception */
- case POWERPC_EXCP_DABR: /* Data address breakpoint */
- 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
*/
case POWERPC_EXCP_VPUA: /* Vector assist exception
*/
- case POWERPC_EXCP_SOFTP: /* Soft patch exception */
case POWERPC_EXCP_MAINT: /* Maintenance exception
*/
- case POWERPC_EXCP_MEXTBR: /* Maskable external breakpoint */
- case POWERPC_EXCP_NMEXTBR: /* Non maskable external breakpoint */
+ case POWERPC_EXCP_SDOOR: /* Doorbell interrupt */
+ case POWERPC_EXCP_HV_MAINT: /* Hypervisor Maintenance exception */
cpu_abort(cs, "%s exception not implemented\n",
powerpc_excp_name(excp));
break;
default:
- excp_invalid:
cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
break;
}
@@ -991,22 +867,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
new_msr |= (target_ulong)1 << MSR_LE;
}
-#if defined(TARGET_PPC64)
- if (excp_model == POWERPC_EXCP_BOOKE) {
- 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;
- } else {
- vector = (uint32_t)vector;
- }
- } else {
- if (!msr_isf && !mmu_is_64bit(env->mmu_model)) {
- vector = (uint32_t)vector;
- } else {
- new_msr |= (target_ulong)1 << MSR_SF;
- }
- }
-#endif
+ new_msr |= (target_ulong)1 << MSR_SF;
if (excp != POWERPC_EXCP_SYSCALL_VECTORED) {
/* Save PC */
@@ -1021,6 +882,12 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
powerpc_set_excp_state(cpu, vector, new_msr);
}
+#else
+static inline void powerpc_excp_books(PowerPCCPU *cpu, int excp)
+{
+ g_assert_not_reached();
+}
+#endif
/*
* Note that this function should be greatly optimized when called