+++ /dev/null
-common-obj-$(CONFIG_DS1225Y) += ds1225y.o
-common-obj-$(CONFIG_NMC93XX_EEPROM) += eeprom93xx.o
-common-obj-$(CONFIG_AT24C) += eeprom_at24c.o
-common-obj-y += fw_cfg.o
-common-obj-$(CONFIG_CHRP_NVRAM) += chrp_nvram.o
-common-obj-$(CONFIG_MAC_NVRAM) += mac_nvram.o
-common-obj-$(CONFIG_NRF51_SOC) += nrf51_nvm.o
-obj-$(CONFIG_PSERIES) += spapr_nvram.o
--- /dev/null
+softmmu_ss.add(files('fw_cfg.c'))
+softmmu_ss.add(when: 'CONFIG_CHRP_NVRAM', if_true: files('chrp_nvram.c'))
+softmmu_ss.add(when: 'CONFIG_DS1225Y', if_true: files('ds1225y.c'))
+softmmu_ss.add(when: 'CONFIG_NMC93XX_EEPROM', if_true: files('eeprom93xx.c'))
+softmmu_ss.add(when: 'CONFIG_AT24C', if_true: files('eeprom_at24c.c'))
+softmmu_ss.add(when: 'CONFIG_MAC_NVRAM', if_true: files('mac_nvram.c'))
+softmmu_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_nvm.c'))
+
+specific_ss.add(when: 'CONFIG_PSERIES', if_true: files('spapr_nvram.c'))