diff options
Diffstat (limited to 'target-s390x/interrupt.c')
-rw-r--r-- | target-s390x/interrupt.c | 66 |
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()) { |