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-rw-r--r--arch/mips/lasat/image/Makefile53
-rw-r--r--arch/mips/lasat/image/head.S31
-rw-r--r--arch/mips/lasat/image/romscript.normal22
3 files changed, 106 insertions, 0 deletions
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
new file mode 100644
index 0000000..18b6430
--- /dev/null
+++ b/arch/mips/lasat/image/Makefile
@@ -0,0 +1,53 @@
+#
+# 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 = $(TOPDIR)/vmlinux
+KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
+KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
+
+LDSCRIPT= -L$(obj) -Tromscript.normal
+
+HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
+ -D_kernel_entry=0x$(KERNEL_ENTRY) \
+ -D VERSION="\"$(Version)\"" \
+ -D TIMESTAMP=$(shell date +%s)
+
+$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
+ $(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
+
+OBJECTS = head.o kImage.o
+
+rom.sw: $(obj)/rom.sw
+
+$(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/arch/mips/lasat/image/head.S b/arch/mips/lasat/image/head.S
new file mode 100644
index 0000000..426bd7d
--- /dev/null
+++ b/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/arch/mips/lasat/image/romscript.normal b/arch/mips/lasat/image/romscript.normal
new file mode 100644
index 0000000..ca22336
--- /dev/null
+++ b/arch/mips/lasat/image/romscript.normal
@@ -0,0 +1,22 @@
+OUTPUT_ARCH(mips)
+
+SECTIONS
+{
+ .text :
+ {
+ *(.text.start)
+ }
+
+ /* Data in ROM */
+
+ .data ALIGN(0x10) :
+ {
+ *(.data)
+ }
+ _image_start = ADDR(.data);
+ _image_size = SIZEOF(.data);
+
+ .other : {
+ *(.*)
+ }
+}
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