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author | imp <imp@FreeBSD.org> | 2010-01-10 05:34:46 +0000 |
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committer | imp <imp@FreeBSD.org> | 2010-01-10 05:34:46 +0000 |
commit | ad010d9d1fb099aadb783799b9e14f3ec9cf690e (patch) | |
tree | 68bf3d16b313b5110c0f6d1e6dc3e77fb01577df /sys/conf/Makefile.mips | |
parent | 203799b3181e977e698016a97b4b75140b131edc (diff) | |
download | FreeBSD-src-ad010d9d1fb099aadb783799b9e14f3ec9cf690e.zip FreeBSD-src-ad010d9d1fb099aadb783799b9e14f3ec9cf690e.tar.gz |
Merge r187428, r191079, r195533, r195669, r197004, r197012 and r197015
from projects/mips to head by hand:
r197015 | imp | 2009-09-08 21:59:46 -0600 (Tue, 08 Sep 2009) | 2 lines
Prefer PTR_LA over a naked la to work with 64-bits..
r197012 | imp | 2009-09-08 21:46:04 -0600 (Tue, 08 Sep 2009) | 3 lines
Use proper set of flags to build the tramp. this gets 64-bit almost
building and lets me debug the 'almost' :)
r197004 | imp | 2009-09-08 18:47:12 -0600 (Tue, 08 Sep 2009) | 2 lines
Use ${LDSCRIPT_NAME} in preference to ldscript.$M.
r195669 | gonzo | 2009-07-13 17:03:44 -0600 (Mon, 13 Jul 2009) | 3 lines
- Remove -mno-dsp from CFLAGS. MIPS DSP ASE is off by default
now (as it should be)
r195533 | imp | 2009-07-10 01:21:26 -0600 (Fri, 10 Jul 2009) | 4 lines
Add in the emulation selection when linking... We're still not 100%
of the way there, but we're better with it. hack.so build now, but
we die when we try to link it in.
r191079 | gonzo | 2009-04-14 16:53:22 -0600 (Tue, 14 Apr 2009) | 2 lines
- Revert changes accidentally killed by merge operation
r187418 | gonzo | 2009-01-18 19:37:10 -0700 (Sun, 18 Jan 2009) | 4 lines
- Add trampoline stuff for bootloaders that do not support ELF
- Replace arm'ish KERNPHYSADDR/KERNVIRTADDR with
KERNLOADADDR/TRAMPLOADADDR and clean configs
Diffstat (limited to 'sys/conf/Makefile.mips')
-rw-r--r-- | sys/conf/Makefile.mips | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/sys/conf/Makefile.mips b/sys/conf/Makefile.mips index 443065a..0b56bb7 100644 --- a/sys/conf/Makefile.mips +++ b/sys/conf/Makefile.mips @@ -28,35 +28,83 @@ S= ../../.. .endif .include "$S/conf/kern.pre.mk" +LDSCRIPT_NAME?=ldscript.$M +SYSTEM_LD:= ${SYSTEM_LD:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}} +SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}} + # XXX: Such sweeping assumptions... MACHINE=mips MACHINE_ARCH=mips +KERNLOADADDR?=0x80001000 +# This obscure value is defined by CFE for WR160N +# To be changed later +TRAMPLOADADDR?=0x807963c0 MKMODULESENV+= MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH} # We default to the MIPS32 ISA, if none specified in the # kernel configuration file. ARCH_FLAGS?=-march=mips32 +EXTRA_FLAGS=-fno-pic -mno-abicalls -G0 HACK_EXTRA_FLAGS=-shared .if defined(TARGET_BIG_ENDIAN) CFLAGS+=-EB SYSTEM_LD+=-EB +EXTRA_FLAGS+=-EB +TRAMP_LDFLAGS+=-Wl,-EB HACK_EXTRA_FLAGS+=-EB -Wl,-EB +.if defined(TARGET_64BIT) +SYSTEM_LD+=-m elf64btsmip_fbsd +HACK_EXTRA_FLAGS+=-Wl,-m,elf64btsmip_fbsd +.endif .else CFLAGS+=-EL SYSTEM_LD+=-EL +EXTRA_FLAGS+=-EL +TRAMP_LDFLAGS+=-Wl,-EL HACK_EXTRA_FLAGS+=-EL -Wl,-EL +.if defined(TARGET_64BIT) +SYSTEM_LD+=-m elf64ltsmip_fbsd +HACK_EXTRA_FLAGS+=-Wl,-m,elf64ltsmip_fbsd +.endif .endif + # We add the -fno-pic flag to kernels because otherwise performance # is extremely poor, as well as -mno-abicalls to force no ABI usage. -CFLAGS+=-fno-pic -mno-abicalls -G0 $(ARCH_FLAGS) -HACK_EXTRA_FLAGS+=-fno-pic -mno-abicalls -G0 $(ARCH_FLAGS) +CFLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS) +HACK_EXTRA_FLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS) # XXX hardcoded kernel entry point ASM_CFLAGS+=${CFLAGS} -D_LOCORE -DLOCORE +KERNEL_EXTRA=trampoline +trampoline: ${KERNEL_KO}.tramp.bin +${KERNEL_KO}.tramp.bin: ${KERNEL_KO} $S/$M/$M/elf_trampoline.c \ + $S/$M/$M/inckern.S + ${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \ + -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp + sed s/${KERNLOADADDR}/${TRAMPLOADADDR}/ ${LDSCRIPT_NAME} | \ + sed s/" + SIZEOF_HEADERS"// > ${LDSCRIPT_NAME}.tramp.noheader + # Generate .S file that setups stack and jumps to trampoline + echo "#include <machine/asm.h>" >tmphack.S + echo "ENTRY(_start)" >>tmphack.S + echo "PTR_LA t0, kernel_end" >>tmphack.S + echo "move sp, t0" >>tmphack.S + echo "add sp, 0x2000" >>tmphack.S + echo "and sp, ~0x7" >>tmphack.S + echo "PTR_LA t0, _startC" >>tmphack.S + echo "j t0" >>tmphack.S + echo "END(_start)" >>tmphack.S + echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h + ${CC} -O -nostdlib -I. -I$S ${HACK_EXTRA_FLAGS} ${TRAMP_LDFLAGS} -Xlinker \ + -T -Xlinker ${LDSCRIPT_NAME}.tramp.noheader tmphack.S \ + $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \ + -o ${KERNEL_KO}.tramp.noheader + ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \ + ${KERNEL_KO}.tramp.bin \ + %BEFORE_DEPEND %OBJS @@ -69,6 +117,12 @@ ASM_CFLAGS+=${CFLAGS} -D_LOCORE -DLOCORE %CLEAN +CLEAN+= ${LDSCRIPT_NAME} ${LDSCRIPT_NAME}.tramp.noheader \ + ${KERNEL_KO}.tramp.noheader ${KERNEL_KO}.tramp.bin + +${LDSCRIPT_NAME}: $S/conf/${LDSCRIPT_NAME} + cat $S/conf/${LDSCRIPT_NAME}|sed s/KERNLOADADDR/${KERNLOADADDR}/g \ + > ${LDSCRIPT_NAME} %RULES .include "$S/conf/kern.post.mk" |