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[RFC v2 05/12] target/ppc: powerpc_excp: Standardize arguments to interr
From: |
Fabiano Rosas |
Subject: |
[RFC v2 05/12] target/ppc: powerpc_excp: Standardize arguments to interrupt code |
Date: |
Mon, 20 Dec 2021 15:18:56 -0300 |
In preparation to moving the interrupt code into separate functions,
create a PPCIntrArgs structure to serve as a consistent API.
No functional change intended.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
---
target/ppc/excp_helper.c | 213 +++++++++++++++++++++------------------
1 file changed, 113 insertions(+), 100 deletions(-)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 45641f6d1d..f478ff8a87 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -164,7 +164,7 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState
*env, int excp,
static inline void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp_model, int
excp,
target_ulong msr,
target_ulong *new_msr,
- target_ulong *vector)
+ target_ulong *new_nip)
{
#if defined(TARGET_PPC64)
CPUPPCState *env = &cpu->env;
@@ -241,9 +241,9 @@ static inline void ppc_excp_apply_ail(PowerPCCPU *cpu, int
excp_model, int excp,
if (excp != POWERPC_EXCP_SYSCALL_VECTORED) {
if (ail == 2) {
- *vector |= 0x0000000000018000ull;
+ *new_nip |= 0x0000000000018000ull;
} else if (ail == 3) {
- *vector |= 0xc000000000004000ull;
+ *new_nip |= 0xc000000000004000ull;
}
} else {
/*
@@ -251,15 +251,15 @@ static inline void ppc_excp_apply_ail(PowerPCCPU *cpu,
int excp_model, int excp,
* only the MSR. AIL=3 replaces the 0x17000 base with 0xc...3000.
*/
if (ail == 3) {
- *vector &= ~0x0000000000017000ull; /* Un-apply the base offset */
- *vector |= 0xc000000000003000ull; /* Apply scv's AIL=3 offset */
+ *new_nip &= ~0x0000000000017000ull; /* Un-apply the base offset */
+ *new_nip |= 0xc000000000003000ull; /* Apply scv's AIL=3 offset */
}
}
#endif
}
-static inline void powerpc_set_excp_state(PowerPCCPU *cpu,
- target_ulong vector, target_ulong
msr)
+static inline void powerpc_set_excp_state(PowerPCCPU *cpu, target_ulong
new_nip,
+ target_ulong new_msr)
{
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
@@ -272,9 +272,9 @@ static inline void powerpc_set_excp_state(PowerPCCPU *cpu,
* will prevent setting of the HV bit which some exceptions might need
* to do.
*/
- env->msr = msr & env->msr_mask;
+ env->msr = new_msr & env->msr_mask;
hreg_compute_hflags(env);
- env->nip = vector;
+ env->nip = new_nip;
/* Reset exception state */
cs->exception_index = POWERPC_EXCP_NONE;
env->error_code = 0;
@@ -289,6 +289,15 @@ static inline void powerpc_set_excp_state(PowerPCCPU *cpu,
check_tlb_flush(env, false);
}
+typedef struct PPCIntrArgs {
+ target_ulong nip;
+ target_ulong msr;
+ target_ulong new_nip;
+ target_ulong new_msr;
+ int sprn_srr0;
+ int sprn_srr1;
+} PPCIntrArgs;
+
/*
* Note that this function should be greatly optimized when called
* with a constant excp, from ppc_hw_interrupt
@@ -298,35 +307,35 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
int excp_model = env->excp_model;
- target_ulong msr, new_msr, vector;
- int srr0, srr1, lev = -1;
+ PPCIntrArgs regs;
+ int lev = -1;
qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
" => %08x (%02x)\n", env->nip, excp, env->error_code);
/* new srr1 value excluding must-be-zero bits */
if (excp_model == POWERPC_EXCP_BOOKE) {
- msr = env->msr;
+ regs.msr = env->msr;
} else {
- msr = env->msr & ~0x783f0000ULL;
+ regs.msr = env->msr & ~0x783f0000ULL;
}
+ regs.nip = env->nip;
/*
* new interrupt handler msr preserves existing HV and ME unless
* explicitly overriden
*/
- new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB);
+ regs.new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB);
- /* target registers */
- srr0 = SPR_SRR0;
- srr1 = SPR_SRR1;
+ regs.sprn_srr0 = SPR_SRR0;
+ regs.sprn_srr1 = SPR_SRR1;
/*
* check for special resume at 0x100 from doze/nap/sleep/winkle on
* P7/P8/P9
*/
if (env->resume_as_sreset) {
- excp = powerpc_reset_wakeup(cs, env, excp, &msr);
+ excp = powerpc_reset_wakeup(cs, env, excp, ®s.msr);
}
/*
@@ -353,13 +362,13 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
}
#endif
- vector = env->excp_vectors[excp];
- if (vector == (target_ulong)-1ULL) {
+ regs.new_nip = env->excp_vectors[excp];
+ if (regs.new_nip == (target_ulong)-1ULL) {
cpu_abort(cs, "Raised an exception without defined vector %d\n",
excp);
}
- vector |= env->excp_prefix;
+ regs.new_nip |= env->excp_prefix;
switch (excp) {
case POWERPC_EXCP_NONE:
@@ -368,12 +377,12 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_CRITICAL: /* Critical input */
switch (excp_model) {
case POWERPC_EXCP_40x:
- srr0 = SPR_40x_SRR2;
- srr1 = SPR_40x_SRR3;
+ regs.sprn_srr0 = SPR_40x_SRR2;
+ regs.sprn_srr1 = SPR_40x_SRR3;
break;
case POWERPC_EXCP_BOOKE:
- srr0 = SPR_BOOKE_CSRR0;
- srr1 = SPR_BOOKE_CSRR1;
+ regs.sprn_srr0 = SPR_BOOKE_CSRR0;
+ regs.sprn_srr1 = SPR_BOOKE_CSRR1;
break;
case POWERPC_EXCP_G2:
break;
@@ -401,25 +410,25 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
* ISA specifies HV, but can be delivered to guest with HV
* clear (e.g., see FWNMI in PAPR).
*/
- new_msr |= (target_ulong)MSR_HVB;
+ regs.new_msr |= (target_ulong)MSR_HVB;
}
/* machine check exceptions don't have ME set */
- new_msr &= ~((target_ulong)1 << MSR_ME);
+ regs.new_msr &= ~((target_ulong)1 << MSR_ME);
/* XXX: should also have something loaded in DAR / DSISR */
switch (excp_model) {
case POWERPC_EXCP_40x:
- srr0 = SPR_40x_SRR2;
- srr1 = SPR_40x_SRR3;
+ regs.sprn_srr0 = SPR_40x_SRR2;
+ regs.sprn_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;
+ regs.sprn_srr0 = SPR_BOOKE_MCSRR0;
+ regs.sprn_srr1 = SPR_BOOKE_MCSRR1;
- env->spr[SPR_BOOKE_CSRR0] = env->nip;
- env->spr[SPR_BOOKE_CSRR1] = msr;
+ env->spr[SPR_BOOKE_CSRR0] = regs.nip;
+ env->spr[SPR_BOOKE_CSRR1] = regs.msr;
break;
default:
break;
@@ -429,8 +438,8 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);
break;
case POWERPC_EXCP_ISI: /* Instruction storage exception */
- trace_ppc_excp_isi(msr, env->nip);
- msr |= env->error_code;
+ trace_ppc_excp_isi(regs.msr, regs.nip);
+ regs.msr |= env->error_code;
break;
case POWERPC_EXCP_EXTERNAL: /* External input */
{
@@ -460,10 +469,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
}
if (!lpes0) {
- new_msr |= (target_ulong)MSR_HVB;
- new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
- srr0 = SPR_HSRR0;
- srr1 = SPR_HSRR1;
+ regs.new_msr |= (target_ulong)MSR_HVB;
+ regs.new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
+ regs.sprn_srr0 = SPR_HSRR0;
+ regs.sprn_srr1 = SPR_HSRR1;
}
if (env->mpic_proxy) {
/* IACK the IRQ on delivery */
@@ -495,20 +504,20 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
* instruction, so always use store_next and claim we are
* precise in the MSR.
*/
- msr |= 0x00100000;
+ regs.msr |= 0x00100000;
env->spr[SPR_BOOKE_ESR] = ESR_FP;
break;
case POWERPC_EXCP_INVAL:
- trace_ppc_excp_inval(env->nip);
- msr |= 0x00080000;
+ trace_ppc_excp_inval(regs.nip);
+ regs.msr |= 0x00080000;
env->spr[SPR_BOOKE_ESR] = ESR_PIL;
break;
case POWERPC_EXCP_PRIV:
- msr |= 0x00040000;
+ regs.msr |= 0x00040000;
env->spr[SPR_BOOKE_ESR] = ESR_PPR;
break;
case POWERPC_EXCP_TRAP:
- msr |= 0x00020000;
+ regs.msr |= 0x00020000;
env->spr[SPR_BOOKE_ESR] = ESR_PTR;
break;
default:
@@ -529,9 +538,12 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
/*
* We need to correct the NIP which in this case is supposed
- * to point to the next instruction
+ * to point to the next instruction. We also set env->nip here
+ * because the modification needs to be accessible by the
+ * virtual hypervisor code below.
*/
- env->nip += 4;
+ regs.nip += 4;
+ env->nip = regs.nip;
/* "PAPR mode" built-in hypercall emulation */
if ((lev == 1) && cpu->vhyp) {
@@ -540,21 +552,22 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
vhc->hypercall(cpu->vhyp, cpu);
return;
}
+
if (lev == 1) {
- new_msr |= (target_ulong)MSR_HVB;
+ regs.new_msr |= (target_ulong)MSR_HVB;
}
break;
case POWERPC_EXCP_SYSCALL_VECTORED: /* scv exception */
lev = env->error_code;
dump_syscall(env);
- env->nip += 4;
- new_msr |= env->msr & ((target_ulong)1 << MSR_EE);
- new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
+ regs.nip += 4;
+ regs.new_msr |= env->msr & ((target_ulong)1 << MSR_EE);
+ regs.new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
- vector += lev * 0x20;
+ regs.new_nip += lev * 0x20;
- env->lr = env->nip;
- env->ctr = msr;
+ env->lr = regs.nip;
+ env->ctr = regs.msr;
break;
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
@@ -568,8 +581,8 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
trace_ppc_excp_print("WDT");
switch (excp_model) {
case POWERPC_EXCP_BOOKE:
- srr0 = SPR_BOOKE_CSRR0;
- srr1 = SPR_BOOKE_CSRR1;
+ regs.sprn_srr0 = SPR_BOOKE_CSRR0;
+ regs.sprn_srr1 = SPR_BOOKE_CSRR1;
break;
default:
break;
@@ -581,12 +594,11 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
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;
+ regs.sprn_srr0 = SPR_BOOKE_DSRR0;
+ regs.sprn_srr1 = SPR_BOOKE_DSRR1;
+ env->spr[SPR_BOOKE_CSRR0] = regs.nip;
+ env->spr[SPR_BOOKE_CSRR1] = regs.msr;
/* DBSR already modified by caller */
} else {
cpu_abort(cs, "Debug exception triggered on unsupported model\n");
@@ -615,22 +627,22 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
break;
case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
- srr0 = SPR_BOOKE_CSRR0;
- srr1 = SPR_BOOKE_CSRR1;
+ regs.sprn_srr0 = SPR_BOOKE_CSRR0;
+ regs.sprn_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) {
/* indicate that we resumed from power save mode */
- msr |= 0x10000;
- new_msr |= ((target_ulong)1 << MSR_ME);
+ regs.msr |= 0x10000;
+ regs.new_msr |= ((target_ulong)1 << MSR_ME);
}
if (env->msr_mask & MSR_HVB) {
/*
* ISA specifies HV, but can be delivered to guest with HV
* clear (e.g., see FWNMI in PAPR, NMI injection in QEMU).
*/
- new_msr |= (target_ulong)MSR_HVB;
+ regs.new_msr |= (target_ulong)MSR_HVB;
} else {
if (msr_pow) {
cpu_abort(cs, "Trying to deliver power-saving system reset "
@@ -643,7 +655,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_TRACE: /* Trace exception */
break;
case POWERPC_EXCP_HISI: /* Hypervisor instruction storage exception */
- msr |= env->error_code;
+ regs.msr |= env->error_code;
/* fall through */
case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
@@ -652,10 +664,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
case POWERPC_EXCP_SDOOR_HV: /* Hypervisor Doorbell interrupt */
case POWERPC_EXCP_HV_EMU:
case POWERPC_EXCP_HVIRT: /* Hypervisor virtualization */
- srr0 = SPR_HSRR0;
- srr1 = SPR_HSRR1;
- new_msr |= (target_ulong)MSR_HVB;
- new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
+ regs.sprn_srr0 = SPR_HSRR0;
+ regs.sprn_srr1 = SPR_HSRR1;
+ regs.new_msr |= (target_ulong)MSR_HVB;
+ regs.new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
break;
case POWERPC_EXCP_VPU: /* Vector unavailable exception */
case POWERPC_EXCP_VSXU: /* VSX unavailable exception */
@@ -667,10 +679,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
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);
+ regs.sprn_srr0 = SPR_HSRR0;
+ regs.sprn_srr1 = SPR_HSRR1;
+ regs.new_msr |= (target_ulong)MSR_HVB;
+ regs.new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
#endif
break;
case POWERPC_EXCP_PIT: /* Programmable interval timer interrupt */
@@ -697,8 +709,8 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
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;
+ if (!(regs.new_msr & ((target_ulong)1 << MSR_TGPR))) {
+ regs.new_msr |= (target_ulong)1 << MSR_TGPR;
hreg_swap_gpr_tgpr(env);
}
/* fall through */
@@ -731,10 +743,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
env->error_code);
}
#endif
- msr |= env->crf[0] << 28;
- msr |= env->error_code; /* key, D/I, S/L bits */
+ regs.msr |= env->crf[0] << 28;
+ regs.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;
+ regs.msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
break;
default:
cpu_abort(cs, "Invalid TLB miss exception\n");
@@ -800,11 +812,11 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
/* Sanity check */
if (!(env->msr_mask & MSR_HVB)) {
- if (new_msr & MSR_HVB) {
+ if (regs.new_msr & MSR_HVB) {
cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with "
"no HV support\n", excp);
}
- if (srr0 == SPR_HSRR0) {
+ if (regs.sprn_srr0 == SPR_HSRR0) {
cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with "
"no HV support\n", excp);
}
@@ -816,32 +828,32 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
*/
#ifdef TARGET_PPC64
if (excp_model == POWERPC_EXCP_POWER7) {
- if (!(new_msr & MSR_HVB) && (env->spr[SPR_LPCR] & LPCR_ILE)) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ if (!(regs.new_msr & MSR_HVB) && (env->spr[SPR_LPCR] & LPCR_ILE)) {
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (excp_model == POWERPC_EXCP_POWER8) {
- if (new_msr & MSR_HVB) {
+ if (regs.new_msr & MSR_HVB) {
if (env->spr[SPR_HID0] & HID0_HILE) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (env->spr[SPR_LPCR] & LPCR_ILE) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (excp_model == POWERPC_EXCP_POWER9 ||
excp_model == POWERPC_EXCP_POWER10) {
- if (new_msr & MSR_HVB) {
+ if (regs.new_msr & MSR_HVB) {
if (env->spr[SPR_HID0] & HID0_POWER9_HILE) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (env->spr[SPR_LPCR] & LPCR_ILE) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (msr_ile) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
#else
if (msr_ile) {
- new_msr |= (target_ulong)1 << MSR_LE;
+ regs.new_msr |= (target_ulong)1 << MSR_LE;
}
#endif
@@ -849,31 +861,32 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp)
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;
+ regs.new_msr |= (target_ulong)1 << MSR_CM;
} else {
- vector = (uint32_t)vector;
+ regs.new_nip = (uint32_t)regs.new_nip;
}
} else {
if (!msr_isf && !mmu_is_64bit(env->mmu_model)) {
- vector = (uint32_t)vector;
+ regs.new_nip = (uint32_t)regs.new_nip;
} else {
- new_msr |= (target_ulong)1 << MSR_SF;
+ regs.new_msr |= (target_ulong)1 << MSR_SF;
}
}
#endif
if (excp != POWERPC_EXCP_SYSCALL_VECTORED) {
/* Save PC */
- env->spr[srr0] = env->nip;
+ env->spr[regs.sprn_srr0] = regs.nip;
/* Save MSR */
- env->spr[srr1] = msr;
+ env->spr[regs.sprn_srr1] = regs.msr;
}
- /* This can update new_msr and vector if AIL applies */
- ppc_excp_apply_ail(cpu, excp_model, excp, msr, &new_msr, &vector);
+ /* This can update regs.new_msr and regs.new_nip if AIL applies */
+ ppc_excp_apply_ail(cpu, excp_model, excp, regs.msr, ®s.new_msr,
+ ®s.new_nip);
- powerpc_set_excp_state(cpu, vector, new_msr);
+ powerpc_set_excp_state(cpu, regs.new_nip, regs.new_msr);
}
void ppc_cpu_do_interrupt(CPUState *cs)
--
2.33.1
- Re: [RFC v2 01/12] target/ppc: powerpc_excp: Set alternate SRRs directly, (continued)
- [RFC v2 04/12] target/ppc: powerpc_excp: Stop passing excp_model around, Fabiano Rosas, 2021/12/20
- [RFC v2 03/12] target/ppc: powerpc_excp: Move system call vectored code together, Fabiano Rosas, 2021/12/20
- [RFC v2 07/12] target/ppc: Introduce PPCInterrupt, Fabiano Rosas, 2021/12/20
- [RFC v2 05/12] target/ppc: powerpc_excp: Standardize arguments to interrupt code,
Fabiano Rosas <=
- [RFC v2 10/12] target/ppc: Split powerpc_excp into book3s, booke and 32 bit, Fabiano Rosas, 2021/12/20
- [RFC v2 09/12] target/ppc: Use common code for Hypervisor interrupts, Fabiano Rosas, 2021/12/20
- [RFC v2 06/12] target/ppc: Extract interrupt routines into a new file, Fabiano Rosas, 2021/12/20
- [RFC v2 12/12] target/ppc: Do not enable all interrupts when running KVM, Fabiano Rosas, 2021/12/20
- [RFC v2 11/12] target/ppc: Create new files for book3s, booke and ppc32 exception code, Fabiano Rosas, 2021/12/20
- [RFC v2 08/12] target/ppc: Remove unimplemented interrupt code, Fabiano Rosas, 2021/12/20
- Re: [RFC v2 00/12] target/ppc: powerpc_excp improvements, Cédric Le Goater, 2021/12/26