The new method is identical to ppc_deliver_interrupt, processor-specific
code will be added/removed in the following patches.
Signed-off-by: Matheus Ferst <matheus.fe...@eldorado.org.br>
---
target/ppc/excp_helper.c | 118 +++++++++++++++++++++++++++++++++++++++
1 file changed, 118 insertions(+)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index da9c928350..9ebc0a0d31 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -1889,6 +1889,118 @@ static int ppc_next_unmasked_interrupt(CPUPPCState *env)
}
}
+#if defined(TARGET_PPC64)
+static void p9_deliver_interrupt(CPUPPCState *env, int interrupt)
+{
+ PowerPCCPU *cpu = env_archcpu(env);
+ CPUState *cs = env_cpu(env);
+
+ switch (interrupt) {
+ case PPC_INTERRUPT_RESET: /* External reset */
+ env->pending_interrupts &= ~PPC_INTERRUPT_RESET;
+ powerpc_excp(cpu, POWERPC_EXCP_RESET);
+ break;
+ case PPC_INTERRUPT_MCK: /* Machine check exception */
+ env->pending_interrupts &= ~PPC_INTERRUPT_MCK;
+ powerpc_excp(cpu, POWERPC_EXCP_MCHECK);
+ break;
+#if 0 /* TODO */
+ case PPC_INTERRUPT_DEBUG: /* External debug exception */
+ env->pending_interrupts &= ~PPC_INTERRUPT_DEBUG;
+ powerpc_excp(cpu, POWERPC_EXCP_DEBUG);
+ break;
+#endif
+
+ case PPC_INTERRUPT_HDECR: /* Hypervisor decrementer exception */
+ /* HDEC clears on delivery */
+ env->pending_interrupts &= ~PPC_INTERRUPT_HDECR;
+ powerpc_excp(cpu, POWERPC_EXCP_HDECR);
+ break;
+ case PPC_INTERRUPT_HVIRT: /* Hypervisor virtualization interrupt */
+ powerpc_excp(cpu, POWERPC_EXCP_HVIRT);
+ break;
+
+ case PPC_INTERRUPT_EXT:
+ if (books_vhyp_promotes_external_to_hvirt(cpu)) {
+ powerpc_excp(cpu, POWERPC_EXCP_HVIRT);
+ } else {
+ powerpc_excp(cpu, POWERPC_EXCP_EXTERNAL);
+ }
+ break;
+ case PPC_INTERRUPT_CEXT: /* External critical interrupt */
+ powerpc_excp(cpu, POWERPC_EXCP_CRITICAL);
+ break;
+
+ case PPC_INTERRUPT_WDT: /* Watchdog timer on embedded PowerPC */
+ env->pending_interrupts &= ~PPC_INTERRUPT_WDT;
+ powerpc_excp(cpu, POWERPC_EXCP_WDT);
+ break;
+ case PPC_INTERRUPT_CDOORBELL:
+ env->pending_interrupts &= ~PPC_INTERRUPT_CDOORBELL;
+ powerpc_excp(cpu, POWERPC_EXCP_DOORCI);
+ break;
+ case PPC_INTERRUPT_FIT: /* Fixed interval timer on embedded PowerPC */
+ env->pending_interrupts &= ~PPC_INTERRUPT_FIT;
+ powerpc_excp(cpu, POWERPC_EXCP_FIT);
+ break;
+ case PPC_INTERRUPT_PIT: /* Programmable interval timer on embedded PowerPC
*/
+ env->pending_interrupts &= ~PPC_INTERRUPT_PIT;
+ powerpc_excp(cpu, POWERPC_EXCP_PIT);
+ break;
+ case PPC_INTERRUPT_DECR: /* Decrementer exception */
+ if (ppc_decr_clear_on_delivery(env)) {
+ env->pending_interrupts &= ~PPC_INTERRUPT_DECR;
+ }
+ powerpc_excp(cpu, POWERPC_EXCP_DECR);
+ break;
+ case PPC_INTERRUPT_DOORBELL:
+ env->pending_interrupts &= ~PPC_INTERRUPT_DOORBELL;
+ if (is_book3s_arch2x(env)) {
+ powerpc_excp(cpu, POWERPC_EXCP_SDOOR);
+ } else {
+ powerpc_excp(cpu, POWERPC_EXCP_DOORI);
+ }
+ break;
+ case PPC_INTERRUPT_HDOORBELL:
+ env->pending_interrupts &= ~PPC_INTERRUPT_HDOORBELL;
+ powerpc_excp(cpu, POWERPC_EXCP_SDOOR_HV);
+ break;
+ case PPC_INTERRUPT_PERFM:
+ env->pending_interrupts &= ~PPC_INTERRUPT_PERFM;
+ powerpc_excp(cpu, POWERPC_EXCP_PERFM);
+ break;
+ case PPC_INTERRUPT_THERM: /* Thermal interrupt */
+ env->pending_interrupts &= ~PPC_INTERRUPT_THERM;
+ powerpc_excp(cpu, POWERPC_EXCP_THERM);
+ break;
+ case PPC_INTERRUPT_EBB: /* EBB exception */
+ env->pending_interrupts &= ~PPC_INTERRUPT_EBB;
+ if (env->spr[SPR_BESCR] & BESCR_PMEO) {
+ powerpc_excp(cpu, POWERPC_EXCP_PERFM_EBB);
+ } else if (env->spr[SPR_BESCR] & BESCR_EEO) {
+ powerpc_excp(cpu, POWERPC_EXCP_EXTERNAL_EBB);
+ }
+ break;
+ case 0:
+ /*
+ * This is a bug ! It means that has_work took us out of halt without
+ * anything to deliver while in a PM state that requires getting
+ * out via a 0x100
+ *
+ * This means we will incorrectly execute past the power management
+ * instruction instead of triggering a reset.
+ *
+ * It generally means a discrepancy between the wakeup conditions in
the
+ * processor has_work implementation and the logic in this function.
+ */
+ assert(!env->resume_as_sreset);
+ break;
+ default:
+ cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt);
+ }
+}
+#endif
+
static void ppc_deliver_interrupt_generic(CPUPPCState *env, int interrupt)
{
PowerPCCPU *cpu = env_archcpu(env);
@@ -2002,6 +2114,12 @@ static void ppc_deliver_interrupt_generic(CPUPPCState
*env, int interrupt)
static void ppc_deliver_interrupt(CPUPPCState *env, int interrupt)
{
switch (env->excp_model) {
+#if defined(TARGET_PPC64)
+ case POWERPC_EXCP_POWER9:
+ case POWERPC_EXCP_POWER10:
+ p9_deliver_interrupt(env, interrupt);
+ break;
+#endif
default:
ppc_deliver_interrupt_generic(env, interrupt);
}
--
2.25.1
