-kernel_CPU_CPPASRC = bertos/cpu/cortex-m3/hw/crt_cm3.S bertos/cpu/cortex-m3/hw/vectors_cm3.S
-kernel_CPU_CPPAFLAGS = -g -gdwarf-2 -mthumb -mno-thumb-interwork
-kernel_CPU_CPPFLAGS = -O0 -g3 -gdwarf-2 -mthumb -mno-thumb-interwork -fno-strict-aliasing -fwrapv -fverbose-asm -Ibertos/cpu/cortex-m3/ -D__ARM_SAM3N4__
-kernel_CPU_CSRC = bertos/cpu/cortex-m3/hw/init_cm3.c bertos/cpu/cortex-m3/drv/irq_cm3.c bertos/cpu/cortex-m3/drv/clock_sam3.c
-kernel_PROGRAMMER_CPU = sam3
-kernel_CPU_LDFLAGS = -mthumb -mno-thumb-interwork -nostartfiles -Wl,--no-warn-mismatch -T bertos/cpu/cortex-m3/scripts/sam3n4_rom.ld
-kernel_STOPFLASH_SCRIPT = bertos/prg_scripts/arm/stopopenocd.sh
-kernel_CPU = cortex-m3
-kernel_STOPDEBUG_SCRIPT = bertos/prg_scripts/arm/stopopenocd.sh
-kernel_DEBUG_SCRIPT = bertos/prg_scripts/arm/debug.sh
-kernel_FLASH_SCRIPT = bertos/prg_scripts/arm/flash-sam3.sh
-
-include $(kernel_SRC_PATH)/kernel_user.mk
+sam3n-ek_kernel_CPU_CPPASRC = bertos/cpu/cortex-m3/hw/crt_cm3.S bertos/cpu/cortex-m3/hw/vectors_cm3.S
+sam3n-ek_kernel_CPU_CPPAFLAGS = -g -gdwarf-2 -mthumb -mno-thumb-interwork
+sam3n-ek_kernel_CPU_CPPFLAGS = -O0 -g3 -gdwarf-2 -mthumb -mno-thumb-interwork -fno-strict-aliasing -fwrapv -fverbose-asm -Ibertos/cpu/cortex-m3/ -D__ARM_SAM3N4__
+sam3n-ek_kernel_CPU_CSRC = bertos/cpu/cortex-m3/hw/init_cm3.c bertos/cpu/cortex-m3/drv/irq_cm3.c bertos/cpu/cortex-m3/drv/clock_sam3.c
+sam3n-ek_kernel_PROGRAMMER_CPU = sam3
+sam3n-ek_kernel_CPU_LDFLAGS = -mthumb -mno-thumb-interwork -nostartfiles -Wl,--no-warn-mismatch -Wl,-dT bertos/cpu/cortex-m3/scripts/sam3n4_rom.ld
+sam3n-ek_kernel_STOPFLASH_SCRIPT = bertos/prg_scripts/arm/stopopenocd.sh
+sam3n-ek_kernel_CPU = cortex-m3
+sam3n-ek_kernel_STOPDEBUG_SCRIPT = bertos/prg_scripts/arm/stopopenocd.sh
+sam3n-ek_kernel_DEBUG_SCRIPT = bertos/prg_scripts/arm/debug.sh
+sam3n-ek_kernel_FLASH_SCRIPT = bertos/prg_scripts/arm/flash-sam3.sh
+
+include $(sam3n-ek_kernel_SRC_PATH)/sam3n-ek_kernel_user.mk