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Rather than appending it at the end of the kernel build process, give the

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ELF trampoline build its own target, "trampoline".
It makes it possible to construct a bootable gzipped kernel without having
to build in the same process.
This commit is contained in:
cognet 2005-12-20 20:57:20 +00:00
parent 5a09b5d83f
commit 97736242bb
1 changed files with 20 additions and 21 deletions
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41
sys/conf/Makefile.arm
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@ -58,40 +58,39 @@ SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
${KERNEL_KO}.bin; \
rm ${FULLKERNEL}.noheader
.if ${DDB_ENABLED} != "" || defined(BUILD_ELF_TRAMPOLINE)
SYSTEM_LD_TAIL += ;echo "\#define KERNNAME \"${KERNEL_KO}.tmp\"" \
>opt_kernname.h ;\
sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > \
ldscript.$M.tramp; \
trampoline: ${KERNEL_KO}.tramp
${KERNEL_KO}.tramp: ${KERNEL_KO}
echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h
sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > ldscript.$M.tramp
sed s/" + SIZEOF_HEADERS"// ldscript.$M.tramp > \
ldscript.$M.tramp.noheader; \
ldscript.$M.tramp.noheader
${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
-g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp;\
-g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
${CC} -O -nostdlib -I. -Xlinker -T -Xlinker ldscript.$M.tramp \
$S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S -o ${KERNEL_KO}.tramp;\
$S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S -o ${KERNEL_KO}.tramp
${CC} -O -nostdlib -I. -Xlinker -T -Xlinker ldscript.$M.tramp.noheader \
$S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S -o \
${KERNEL_KO}.tramp.noheader; \
${KERNEL_KO}.tramp.noheader
${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
${KERNEL_KO}.tramp.bin; \
${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp; \
echo "\#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" \
>opt_kernname.h ;\
gzip -9 ${KERNEL_KO}.tmp; \
${KERNEL_KO}.tramp.bin
${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp
echo "#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" \
>opt_kernname.h
gzip -9 ${KERNEL_KO}.tmp
eval $$(stat -s ${KERNEL_KO}.tmp.gz) && \
echo "\#define KERNSIZE $$st_size" >>opt_kernname.h;\
${CC} -O2 -DKZIP -I. -c $S/kern/inflate.c -o inflate-tramp.o; \
echo "#define KERNSIZE $$st_size" >>opt_kernname.h
${CC} -O2 -DKZIP -I. -c $S/kern/inflate.c -o inflate-tramp.o
${CC} -O -nostdlib -I. -Xlinker -T -Xlinker ldscript.$M.tramp \
-DKZIP $S/$M/$M/elf_trampoline.c inflate-tramp.o $S/$M/$M/inckern.S \
-o ${KERNEL_KO}.gz.tramp;\
-o ${KERNEL_KO}.gz.tramp
${CC} -O -nostdlib -I. -Xlinker -T -Xlinker ldscript.$M.tramp.noheader \
-DKZIP $S/$M/$M/elf_trampoline.c inflate-tramp.o $S/$M/$M/inckern.S \
-o ${KERNEL_KO}.tramp.noheader; \
-o ${KERNEL_KO}.tramp.noheader
${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
${KERNEL_KO}.gz.tramp.bin; \
${KERNEL_KO}.gz.tramp.bin
rm ${KERNEL_KO}.tmp.gz ${KERNEL_KO}.tramp.noheader opt_kernname.h \
inflate-tramp.o;
.endif
inflate-tramp.o
%BEFORE_DEPEND