static int handle_lpswe(struct kvm_vcpu *vcpu) { psw_t new_psw; u64 addr; if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); addr = kvm_s390_get_base_disp_s(vcpu); if (addr & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); if (copy_from_guest(vcpu, &new_psw, addr, sizeof(new_psw))) return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); vcpu->arch.sie_block->gpsw = new_psw; if (!is_valid_psw(&vcpu->arch.sie_block->gpsw)) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); handle_new_psw(vcpu); return 0; }
int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu) { u64 addr; psw_compat_t new_psw; if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OPERATION); addr = kvm_s390_get_base_disp_s(vcpu); if (addr & 7) { kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); goto out; } if (copy_from_guest(vcpu, &new_psw, addr, sizeof(new_psw))) { kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); goto out; } if (!(new_psw.mask & PSW32_MASK_BASE)) { kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); goto out; } vcpu->arch.sie_block->gpsw.mask = (new_psw.mask & ~PSW32_MASK_BASE) << 32; vcpu->arch.sie_block->gpsw.addr = new_psw.addr; if ((vcpu->arch.sie_block->gpsw.mask & PSW_MASK_UNASSIGNED) || (!(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_ADDR_MODE) && (vcpu->arch.sie_block->gpsw.addr & ~PSW_ADDR_24)) || ((vcpu->arch.sie_block->gpsw.mask & PSW_MASK_ADDR_MODE) == PSW_MASK_EA)) { kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); goto out; } handle_new_psw(vcpu); out: return 0; }
int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu) { psw_t *gpsw = &vcpu->arch.sie_block->gpsw; psw_compat_t new_psw; u64 addr; if (gpsw->mask & PSW_MASK_PSTATE) return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); addr = kvm_s390_get_base_disp_s(vcpu); if (addr & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); if (copy_from_guest(vcpu, &new_psw, addr, sizeof(new_psw))) return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); if (!(new_psw.mask & PSW32_MASK_BASE)) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); gpsw->mask = (new_psw.mask & ~PSW32_MASK_BASE) << 32; gpsw->mask |= new_psw.addr & PSW32_ADDR_AMODE; gpsw->addr = new_psw.addr & ~PSW32_ADDR_AMODE; if (!is_valid_psw(gpsw)) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); handle_new_psw(vcpu); return 0; }
static int handle_lpswe(struct kvm_vcpu *vcpu) { u64 addr; psw_t new_psw; addr = kvm_s390_get_base_disp_s(vcpu); if (addr & 7) { kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); goto out; } if (copy_from_guest(vcpu, &new_psw, addr, sizeof(new_psw))) { kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); goto out; } vcpu->arch.sie_block->gpsw.mask = new_psw.mask; vcpu->arch.sie_block->gpsw.addr = new_psw.addr; if ((vcpu->arch.sie_block->gpsw.mask & PSW_MASK_UNASSIGNED) || (((vcpu->arch.sie_block->gpsw.mask & PSW_MASK_ADDR_MODE) == PSW_MASK_BA) && (vcpu->arch.sie_block->gpsw.addr & ~PSW_ADDR_31)) || (!(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_ADDR_MODE) && (vcpu->arch.sie_block->gpsw.addr & ~PSW_ADDR_24)) || ((vcpu->arch.sie_block->gpsw.mask & PSW_MASK_ADDR_MODE) == PSW_MASK_EA)) { kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); goto out; } handle_new_psw(vcpu); out: return 0; }