1softmmu_ss.add(when: 'CONFIG_TPM_TIS', if_true: files('tpm_tis_common.c')) 2softmmu_ss.add(when: 'CONFIG_TPM_TIS_ISA', if_true: files('tpm_tis_isa.c')) 3softmmu_ss.add(when: 'CONFIG_TPM_TIS_SYSBUS', if_true: files('tpm_tis_sysbus.c')) 4softmmu_ss.add(when: 'CONFIG_TPM_CRB', if_true: files('tpm_crb.c')) 5 6specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TPM_TIS'], if_true: files('tpm_ppi.c')) 7specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TPM_CRB'], if_true: files('tpm_ppi.c')) 8specific_ss.add(when: 'CONFIG_TPM_SPAPR', if_true: files('tpm_spapr.c')) 9