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Diffstat (limited to 'target-s390x/interrupt.c')
-rw-r--r--target-s390x/interrupt.c66
1 files changed, 65 insertions, 1 deletions
diff --git a/target-s390x/interrupt.c b/target-s390x/interrupt.c
index bad60a7e13..9edef96795 100644
--- a/target-s390x/interrupt.c
+++ b/target-s390x/interrupt.c
@@ -10,13 +10,77 @@
#include "qemu/osdep.h"
#include "cpu.h"
#include "sysemu/kvm.h"
+#include "hw/s390x/ioinst.h"
+
+#if !defined(CONFIG_USER_ONLY)
+void cpu_inject_ext(S390CPU *cpu, uint32_t code, uint32_t param,
+ uint64_t param64)
+{
+ CPUS390XState *env = &cpu->env;
+
+ if (env->ext_index == MAX_EXT_QUEUE - 1) {
+ /* ugh - can't queue anymore. Let's drop. */
+ return;
+ }
+
+ env->ext_index++;
+ assert(env->ext_index < MAX_EXT_QUEUE);
+
+ env->ext_queue[env->ext_index].code = code;
+ env->ext_queue[env->ext_index].param = param;
+ env->ext_queue[env->ext_index].param64 = param64;
+
+ env->pending_int |= INTERRUPT_EXT;
+ cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
+}
+
+static void cpu_inject_io(S390CPU *cpu, uint16_t subchannel_id,
+ uint16_t subchannel_number,
+ uint32_t io_int_parm, uint32_t io_int_word)
+{
+ CPUS390XState *env = &cpu->env;
+ int isc = IO_INT_WORD_ISC(io_int_word);
+
+ if (env->io_index[isc] == MAX_IO_QUEUE - 1) {
+ /* ugh - can't queue anymore. Let's drop. */
+ return;
+ }
+
+ env->io_index[isc]++;
+ assert(env->io_index[isc] < MAX_IO_QUEUE);
+
+ env->io_queue[env->io_index[isc]][isc].id = subchannel_id;
+ env->io_queue[env->io_index[isc]][isc].nr = subchannel_number;
+ env->io_queue[env->io_index[isc]][isc].parm = io_int_parm;
+ env->io_queue[env->io_index[isc]][isc].word = io_int_word;
+
+ env->pending_int |= INTERRUPT_IO;
+ cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
+}
+
+static void cpu_inject_crw_mchk(S390CPU *cpu)
+{
+ CPUS390XState *env = &cpu->env;
+
+ if (env->mchk_index == MAX_MCHK_QUEUE - 1) {
+ /* ugh - can't queue anymore. Let's drop. */
+ return;
+ }
+
+ env->mchk_index++;
+ assert(env->mchk_index < MAX_MCHK_QUEUE);
+
+ env->mchk_queue[env->mchk_index].type = 1;
+
+ env->pending_int |= INTERRUPT_MCHK;
+ cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
+}
/*
* All of the following interrupts are floating, i.e. not per-vcpu.
* We just need a dummy cpustate in order to be able to inject in the
* non-kvm case.
*/
-#if !defined(CONFIG_USER_ONLY)
void s390_sclp_extint(uint32_t parm)
{
if (kvm_enabled()) {