diff options
Diffstat (limited to 'target/s390x/mmu_helper.c')
| -rw-r--r-- | target/s390x/mmu_helper.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c index 31e3f3f415..dbe2f511f8 100644 --- a/target/s390x/mmu_helper.c +++ b/target/s390x/mmu_helper.c @@ -22,6 +22,7 @@ #include "internal.h" #include "kvm_s390x.h" #include "sysemu/kvm.h" +#include "exec/exec-all.h" #include "trace.h" #include "hw/s390x/storage-keys.h" @@ -478,6 +479,9 @@ static int translate_pages(S390CPU *cpu, vaddr addr, int nr_pages, * * Copy from/to guest memory using logical addresses. Note that we inject a * program interrupt in case there is an error while accessing the memory. + * + * This function will always return (also for TCG), make sure to call + * s390_cpu_virt_mem_handle_exc() to properly exit the CPU loop. */ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, int len, bool is_write) @@ -514,6 +518,16 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, return ret; } +void s390_cpu_virt_mem_handle_exc(S390CPU *cpu, uintptr_t ra) +{ + /* KVM will handle the interrupt automatically, TCG has to exit the TB */ +#ifdef CONFIG_TCG + if (tcg_enabled()) { + cpu_loop_exit_restore(CPU(cpu), ra); + } +#endif +} + /** * Translate a real address into a physical (absolute) address. * @param raddr the real address |