bool write_list_to_kvmstate(ARMCPU *cpu) { CPUState *cs = CPU(cpu); int i; bool ok = true; for (i = 0; i < cpu->cpreg_array_len; i++) { struct kvm_one_reg r; uint64_t regidx = cpu->cpreg_indexes[i]; uint32_t v32; int ret; r.id = regidx; switch (regidx & KVM_REG_SIZE_MASK) { case KVM_REG_SIZE_U32: v32 = cpu->cpreg_values[i]; r.addr = (uintptr_t)&v32; break; case KVM_REG_SIZE_U64: r.addr = (uintptr_t)(cpu->cpreg_values + i); break; default: abort(); } ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &r); if (ret) { /* We might fail for "unknown register" and also for * "you tried to set a register which is constant with * a different value from what it actually contains". */ ok = false; } } return ok; }