diff options
Diffstat (limited to 'kernel/arch/mips/lasat/image')
| -rw-r--r-- | kernel/arch/mips/lasat/image/Makefile | 52 | ||||
| -rw-r--r-- | kernel/arch/mips/lasat/image/head.S | 31 | ||||
| -rw-r--r-- | kernel/arch/mips/lasat/image/romscript.normal | 23 |
3 files changed, 106 insertions, 0 deletions
diff --git a/kernel/arch/mips/lasat/image/Makefile b/kernel/arch/mips/lasat/image/Makefile new file mode 100644 index 000000000..fd3207567 --- /dev/null +++ b/kernel/arch/mips/lasat/image/Makefile @@ -0,0 +1,52 @@ +# +# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER +# +# i-data Networks +# +# Author: Thomas Horsten <thh@i-data.com> +# + +ifndef Version + Version = "$(USER)-test" +endif + +MKLASATIMG = mklasatimg +MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200 +KERNEL_IMAGE = vmlinux + +LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal + +HEAD_DEFINES := -D_kernel_start=$(VMLINUX_LOAD_ADDRESS) \ + -D_kernel_entry=$(VMLINUX_ENTRY_ADDRESS) \ + -D VERSION="\"$(Version)\"" \ + -D TIMESTAMP=$(shell date +%s) + +$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE) + $(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $< + +OBJECTS = head.o kImage.o + +rom.sw: $(obj)/rom.sw +rom.bin: $(obj)/rom.bin + +$(obj)/rom.sw: $(obj)/rom.bin + $(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH) + +$(obj)/rom.bin: $(obj)/rom + $(OBJCOPY) -O binary -S $^ $@ + +# Rule to make the bootloader +$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS)) + $(LD) $(LDFLAGS) $(LDSCRIPT) -o $@ $^ + +$(obj)/%.o: $(obj)/%.gz + $(LD) -r -o $@ -b binary $< + +$(obj)/%.gz: $(obj)/%.bin + gzip -cf -9 $< > $@ + +$(obj)/kImage.bin: $(KERNEL_IMAGE) + $(OBJCOPY) -O binary -S $^ $@ + +clean: + rm -f rom rom.bin rom.sw kImage.bin kImage.o diff --git a/kernel/arch/mips/lasat/image/head.S b/kernel/arch/mips/lasat/image/head.S new file mode 100644 index 000000000..41babbe43 --- /dev/null +++ b/kernel/arch/mips/lasat/image/head.S @@ -0,0 +1,31 @@ +#include <asm/lasat/head.h> + + .text + .section .text..start, "ax" + .set noreorder + .set mips3 + + /* Magic words identifying a software image */ + .word LASAT_K_MAGIC0_VAL + .word LASAT_K_MAGIC1_VAL + + /* Image header version */ + .word 0x00000002 + + /* image start and size */ + .word _image_start + .word _image_size + + /* start of kernel and entrypoint in uncompressed image */ + .word _kernel_start + .word _kernel_entry + + /* Here we have room for future flags */ + + .org 0x40 +reldate: + .word TIMESTAMP + + .org 0x50 +release: + .string VERSION diff --git a/kernel/arch/mips/lasat/image/romscript.normal b/kernel/arch/mips/lasat/image/romscript.normal new file mode 100644 index 000000000..0864c963e --- /dev/null +++ b/kernel/arch/mips/lasat/image/romscript.normal @@ -0,0 +1,23 @@ +OUTPUT_ARCH(mips) + +SECTIONS +{ + .text : + { + *(.text..start) + } + + /* Data in ROM */ + + .data ALIGN(0x10) : + { + *(.data) + } + _image_start = ADDR(.data); + _image_size = SIZEOF(.data); + + .other : + { + *(.*) + } +} |