5f73c6ccf0
gcc: * config.gcc (extra_parts): Remove. (*-*-freebsd*): Remove extra_parts. (*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu, *-*-gnu*, *-*-kopensolaris*-gnu): Likewise. (*-*-netbsd*): Remove t-libc-ok, t-netbsd from tmake_file. Remove extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*, *-*-netbsdelf[2-9]*. (*-*-openbsd*): Remove t-libc-ok from tmake_file. (alpha*-*-linux*): Remove extra_parts. (alpha*-*-freebsd*): Likewise. (bfin*-linux-uclibc*): Likewise. (fr30-*-elf): Likewise. (moxie-*-elf): Likewise. (moxie-*-uclinux*): Likewise. (h8300-*-rtems*): Remove h8300/t-elf from tmake_file. (h8300-*-elf*): Likewise. (hppa*64*-*-hpux11*): Remove extra_parts. (i[34567]86-*-elf*): Remove i386/t-i386elf, i386/t-crtstuff from tmake_file. (x86_64-*-elf*): Likewise. (i[34567]86-*-freebsd*): Remove tmake_file. (x86_64-*-freebsd*): Likewise. (x86_64-*-netbsd*): Likewise. (i[34567]86-*-openbsd2.*, i[34567]86-*openbsd3.[0123]): Remove t-libc-ok from tmake_file. (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu, i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*, i[34567]86-*-kopensolaris*-gnu): Remove i386/t-crtstuff from tmake_file. Remove extra_parts. (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Remove i386/t-crtstuff from tmake_file. (i[34567]86-*-lynxos*): Likewise. Remove extra_parts. (ia64*-*-elf*): Remove extra_parts. (ia64*-*-freebsd*): Likewise. (ia64*-*-linux*): Likewise. (ia64-hp-*vms*): Remove ia64/t-vms from tmake_file. (m32r-*-elf*): Remove extra_parts. (m32rle-*-elf*): Likewise. (m32r-*-rtems*): Likewise. (m68k-*-elf*, fido-*-elf*): Likewise. (m68k*-*-openbsd*): Remove t-libc-ok from tmake_file. (m68k-*-rtems*): Remove extra_parts. (mep-*-*): Likewise. (microblaze*-linux*): Likewise. (mips64*-*-linux*, mipsisa64*-*-linux*): Likewise. (mips*-*-linux*): Likewise. (powerpc-*-lynxos*): Likewise. (s390x-ibm-tpf*): Likewise. (score-*-elf): Likewise. Remove tmake_file. (sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*, sh[2346lbe]*-*-linux*, sh-*-netbsdelf*, shl*-*-netbsdelf*, sh5-*-netbsd*, sh5l*-*-netbsd*, sh64-*-netbsd*, sh64l*-*-netbsd*): Remove sh/t-elf from tmake_file. Remove sh/t-superh from tmake_file for sh*-superh-elf. Remove sh/t-linux64 from tmake_file for sh64*-*-linux*. (sh-*-rtems*): Remove sh/t-elf from tmake_file. (sh-wrs-vxworks): Likewise. (sparc-*-linux*): Remove extra_parts. (sparc64-*-linux*): Likewise. (sparc64-*-freebsd*, ultrasparc-*-freebsd*): Likewise. (xstormy16-*-elf): Likewise. (xtensa*-*-linux*): Remove xtensa/t-linux from tmake_file. (am33_2.0-*-linux*): Remove extra_parts. * configure.ac (extra_parts): Don't substitute. * configure: Regenerate. * crtstuff.c: Move to ../libgcc. * Makefile.in (CRTSTUFF_CFLAGS): Remove. (EXTRA_PARTS): Remove. (CRTSTUFF_T_CFLAGS): Remove. (MOSTLYCLEANFILES): Remove $(EXTRA_PARTS). (GCC_EXTRA_PARTS): Remove. (libgcc.mvars): Remove GCC_EXTRA_PARTS, CRTSTUFF_CFLAGS, CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S. Emit GCC_CFLAGS, INHIBIT_LIBC_CFLAGS. ($(T)crtbegin.o, $(T)crtend.o, $(T)crtbeginS.o, $(T)crtendS.o) ($(T)crtbeginT.o): Remove. * config/alpha/t-vms (EXTRA_PARTS): Remove. ($(T)vms-dwarf2.o, $(T)vms-dwarf2eh.o): Remove. * config/alpha/vms-dwarf2.asm: Move to ../libgcc/config/alpha/vms-dwarf2.S. * config/alpha/vms-dwarf2eh.asm: Move to ../libgcc/config/alpha/vms-dwarf2eh.S. * config/arm/crti.asm: Move to ../libgcc/config/arm/crti.S. * config/arm/crtn.asm: Move to ../libgcc/config/arm/crtn.S. * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. * config/arm/t-linux: Remove comment. * config/arm/t-linux-eabi (EXTRA_MULTILIB_PARTS): Remove. * config/arm/t-strongarm-elf (EXTRA_MULTILIB_PARTS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. * config/arm/t-symbian (EXTRA_MULTILIB_PARTS): Remove. * config/bfin/crti.s: Move to ../libgcc/config/bfin/crti.S. * config/bfin/crtn.s: Move to ../libgcc/config/bfin/crtn.S. * config/bfin/crtlibid.s: Move to ../libgcc/config/bfin/crtlibid.S. * config/bfin/t-bfin (EXTRA_PARTS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. * config/bfin/t-bfin-elf (CRTSTUFF_T_CFLAGS): Remove. ($(T)crti.o, $(T)crtn.o, $(T)crtlibid.o): Remove (EXTRA_MULTILIB_PARTS): Remove. * config/bfin/t-bfin-linux (CRTSTUFF_T_CFLAGS, EXTRA_MULTILIB_PARTS): Remove. * config/bfin/t-bfin-uclinux (CRTSTUFF_T_CFLAGS): Remove. ($(T)crtlibid.o): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/c6x/crti.s: Move to ../libgcc/config/c6x/crti.S. * config/c6x/crtn.s: Move to ../libgcc/config/c6x/crtn.S. * config/c6x/t-c6x-elf ($(T)crti.o, $(T)crtn.o): Remove. (EXTRA_MULTILIB_PARTS): Remove. (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove. * config/c6x/t-c6x-uclinux (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove. * config/cris/t-elfmulti (CRTSTUFF_T_CFLAGS): Remove. * config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Remove. * config/fr30/crti.asm: Move to ../libgcc/config/fr30/crti.S. * config/fr30/crtn.asm: Move to ../libgcc/config/fr30/crtn.S. * config/fr30/t-fr30 ($(T)crti.o, $(T)crtn.o): Remove. * config/frv/frvbegin.c, config/frv/frvend.c: Move to ../libgcc/config/frv. * config/frv/t-frv (EXTRA_MULTILIB_PARTS): Remove. (FRVSTUFF_CFLAGS, $(T)frvbegin$(objext), $(T)frvend$(objext)): Remove. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove. (CRTSTUFF_T_CFLAGS): Remove. * config/h8300/crti.asm: Move to ../libgcc/config/h8300/crti.S. * config/h8300/crtn.asm: Move to ../libgcc/config/h8300/crtn.S. * config/h8300/t-elf: Remove. * config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c: Move to ../libgcc/config/i386. * config/i386/t-crtstuff: Remove. * config/i386/t-i386elf: Remove. * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Remove. * config/i386/t-nto (CRTSTUFF_T_CFLAGS, EXTRA_PARTS): Remove. * config/ia64/crtbegin.asm: Move to ../libgcc/config/ia64/crtbegin.S. * config/ia64/crtend.asm: Move to ../libgcc/config/ia64/crtend.S. * config/ia64/crti.asm: Move to ../libgcc/config/ia64/crti.S. * config/ia64/crtn.asm: Move to ../libgcc/config/ia64/crtn.S. * config/ia64/t-vms: Remove. * config/ia64/vms-crtinit.asm: Move to ../libgcc/config/ia64/vms-crtinit.S. * config/m32c/t-m32c (EXTRA_MULTILIB_PARTS): Remove. * config/m32r/initfini.c: Move to ../libgcc/config/m32r. * config/m32r/t-linux (CRTSTUFF_T_CFLAGS_S): Remove. * config/m32r/t-m32r (CRTSTUFF_T_CFLAGS): Remove. ($(T)crtinit.o, $(T)crtfini.o): Remove. (m32rx, m32r2): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/m68k/crti.s: Move to ../libgcc/config/m68k/crti.S. * config/m68k/crtn.s: Move to ../libgcc/config/m68k/crtn.S. * config/m68k/t-crtstuff: Remove. * config/m68k/t-linux (EXTRA_MULTILIB_PARTS): Remove. * config/m68k/t-m68kelf: Remove. * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Remove. * config/mcore/crti.asm: Move to ../libgcc/config/mcore/crti.S. * config/mcore/crtn.asm: Move to ../libgcc/config/mcore/crtn.S. * config/mcore/t-mcore ($(T)crti.o, $(T)crtn.o): Remove. (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Remove. * config/mep/t-mep (CRTSTUFF_CFLAGS): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/microblaze/crti.s: Move to ../libgcc/config/microblaze/crti.S. * config/microblaze/crtn.s: Move to ../libgcc/config/microblaze/crtn.S. * config/microblaze/t-microblaze (EXTRA_MULTILIB_PARTS, EXTRA_PARTS): Remove. ($(T)crti$(objext), $(T)crtn$(objext)): Remove. * config/mips/crti.asm: Move to ../libgcc/config/mips/crti.S. * config/mips/crtn.asm: Move to ../libgcc/config/mips/crtn.S. * config/mips/t-elf (CRTSTUFF_T_CFLAGS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/mips/t-isa3264: Likewise. * config/mips/t-linux64 (EXTRA_MULTILIB_PARTS): Remove. * config/mips/t-r3900 (EXTRA_MULTILIB_PARTS): Remove. (CRTSTUFF_T_CFLAGS): Remove. * config/mips/t-sde (CRTSTUFF_T_CFLAGS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/mips/t-sr71k (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. * config/mips/t-st (EXTRA_MULTILIB_PARTS): Remove. * config/mips/t-vr (CRTSTUFF_T_CFLAGS): Remove. (EXTRA_MULTILIB_PARTS): Remove. ($(T)crti.o, $(T)crtn.o): Remove. * config/mmix/crti.asm: Move to ../libgcc/config/crti.S. * config/mmix/crtn.asm: Move to ../libgcc/config/crtn.S. * config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Remove. * config/moxie/crti.asm, config/moxie/crtn.asm: Remove. * config/pa/stublib.c: Move to libgcc/config/pa. * config/pa/t-linux (CRTSTUFF_T_CFLAGS_S): Remove. * config/pa/t-linux64 (CRTSTUFF_T_CFLAGS_S): Remove. * config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS, stublib.c): Remove. (pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o) (pthread_mutex_unlock-stub.o, pthread_once-stub.o) ($(T)libgcc_stub.a): Remove. * config/pa/t-pa64 (LIBGCCSTUB_OBJS, stublib.c): Remove. (rfi-stub.o, dfi-stub.o, cxaf-stub.o, jvrc-stub.o) (pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o) (pthread_mutex_unlock-stub.o, pthread_once-stub.o) ($(T)libgcc_stub.a): Remove. * config/rs6000/eabi-cn.asm: Move to ../../../libgcc/config/rs6000/eabi-cn.S. * config/rs6000/eabi-ci.asm: Move to ../../../libgcc/config/rs6000/eabi-ci.S. * config/rs6000/sol-ci.asm: Move to ../../../libgcc/config/rs6000/sol-ci.S. * config/rs6000/sol-cn.asm: Move to ../../../libgcc/config/rs6000/sol-cn.S. * config/rs6000/t-lynx (EXTRA_MULTILIB_PARTS): Remove. (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove. * config/rs6000/t-netbsd (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Remove. (ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove. ($(T)ecrti$(objext), $(T)ecrtn$(objext), $(T)ncrti$(objext), $(T)ncrtn$(objext)): Remove. (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove. * config/rs6000/t-vxworks (EXTRA_MULTILIB_PARTS): Remove. * config/rx/t-rx (EXTRA_MULTILIB_PARTS): Remove. * config/score/crti.asm: Move to ../libgcc/config/score/crti.S. * config/score/crtn.asm: Move to ../libgcc/config/score/crtn.S. * config/score/t-score-elf: Remove. * config/sh/crt1.asm: Move to ../libgcc/config/sh/crt1.S. * config/sh/crti.asm: Move to ../libgcc/config/sh/crti.S. * config/sh/crtn.asm: Move to ../libgcc/config/sh/crtn.S. * config/sh/lib1funcs-4-300.asm: Move to ../../../libgcc/config/sh/lib1funcs-4-300.S. * config/sh/lib1funcs-Os-4-200.asm: Move to ../libgcc/config/sh/lib1funcs-Os-4-200.S. * config/sh/t-elf: Remove. * config/sh/t-linux (EXTRA_MULTILIB_PARTS): Remove. * config/sh/t-linux64: Remove. * config/sh/t-netbsd (EXTRA_MULTILIB_PARTS): Remove. * config/sh/t-sh ($(T)crt1.o, $(T)crti.o, $(T)crtn.o): Remove. (IC_EXTRA_PARTS, OPT_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Remove. ($(T)ic_invalidate_array_4-100.o) ($(T)libic_invalidate_array_4-100.a) ($(T)ic_invalidate_array_4-200.o) ($(T)libic_invalidate_array_4-200.a, $(T)ic_invalidate_array_4a.o) ($(T)libic_invalidate_array_4a.a, $(T)sdivsi3_i4i-Os-4-200.o) ($(T)udivsi3_i4i-Os-4-200.o, $(T)unwind-dw2-Os-4-200.o) ($(T)libgcc-Os-4-200.a, $(T)div_table-4-300.o) ($(T)libgcc-4-300.a): Remove. * config/sh/t-superh: Remove. * config/sh/t-vxworks (EXTRA_MULTILIB_PARTS): Remove. * config/sparc/t-linux64 (CRTSTUFF_T_CFLAGS): Remove. * config/spu/cache.S: Move to ../libgcc/config/spu. * config/spu/cachemgr.c: Move to ../libgcc/config/spu. * config/spu/t-spu-elf (CRTSTUFF_T_CFLAGS): Remove. (EXTRA_MULTILIB_PARTS): Remove. ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o, $(T)libgcc_%.a): Remove. ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache32k.o) ($(T)cache64k.o, $(T)cache128k.o): Remove. * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Remove. * config/t-libc-ok: Remove. * config/t-linux (CRTSTUFF_T_CFLAGS_S): Remove. * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Remove. * config/t-netbsd: Remove. * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Remove. * config/t-vxworks (EXTRA_MULTILIB_PARTS): Remove. * config/vms/t-vms (VMS_EXTRA_PARTS): Remove. ($(T)vcrt0.o, $(T)pcrt0.o): Remove. * config/vms/vms-ucrt0.c: Move to ../libgcc/config/vms. * config/xtensa/crti.asm: Move to ../libgcc/config/xtensa/crti.S. * config/xtensa/crtn.asm: Move to ../libgcc/config/xtensa/crtn.S. * config/xtensa/t-elf (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove. (EXTRA_MULTILIB_PARTS): Remove. * config/xtensa/t-linux: Remove. * config/xtensa/t-xtensa ($(T)crti.o, $(T)crtn.o): Remove. gcc/po: * EXCLUDES (crtstuff.c): Remove. libgcc: * crtstuff.c: New file. * Makefile.in (CRTSTUFF_CFLAGS): Define. (CRTSTUFF_T_CFLAGS): Define. (extra-parts, INSTALL_PARTS): Remove conditional assignments. (crtbegin$(objext), crtend$(objext), crtbeginS$(objext)) (crtendS$(objext), crtbeginT.o): Use $(srcdir) to refer to crtstuff.c. Use $<. (crtbeginT.o): Use $(objext). [!CUSTOM_CRTIN] (crti$(objext), crtn$(objext)): New rules. (libgcc-extra-parts): Don't compare EXTRA_PARTS, GCC_EXTRA_PARTS. (gcc-extra-parts): Remove. * config.host (*-*-freebsd*): Add t-crtstuff-pic to tmake_file. Set extra_parts. (*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu, *-*-gnu*): Also handle *-*-kopensolaris*-gnu. Add t-crtstuff-pic to tmake_file. (*-*-lynxos*): New case. Set tmake_file, extra_parts. (*-*-netbsd*): Add t-crtstuff-pic to tmake_file. Set extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*, *-*-netbsdelf[2-9]*. (*-*-openbsd*): Add t-crtstuff-pic to tmake_file. (*-*-rtems*): Set extra_parts. (*-*-solaris2*): Remove t-crtin from tmake_file for Solaris < 10. (*-*-uclinux*): New case. Set extra_parts. (*-*-vms*): New case. Set tmake_file, extra_parts. (*-*-elf): Set extra_parts. (alpha*-*-freebsd*): Add crtbeginT.o to extra_parts. (alpha64-dec-*vms*): Append to tmake_file, remove vms/t-vms, vms/t-vms64. Set extra_parts. (alpha*-dec-*vms*): Append to tmake_file, remove vms/t-vms. Set extra_parts. (arm*-*-freebsd*): Add t-crtin to tmake_file. Add crtbegin.o, crtend.o, crti.o, crtn.o to extra_parts. (arm-wrs-vxworks): Append to tmake_file. Set extra_parts. (arm*-*-uclinux*): Set extra_parts. (arm*-*-ecos-elf): Likewise. (arm*-*-eabi*, arm*-*-symbianelf*): Set extra_parts for arm*-*-eabi*. (arm*-*-rtems*): Set extra_parts. (arm*-*-elf): Likewise. (avr-*-rtems*): Clear extra_parts. (bfin*-elf*): Add bfin/t-crtlibid, bfin/t-crtstuff to extra_parts. Set extra_parts. (bfin*-uclinux*): Likewise. (bfin*-linux-uclibc*): Add bfin/t-crtstuff to tmake_file. (bfin*-rtems*): Append to tmake_file. Set extra_parts. (bfin*-*): Likewise. (crisv32-*-elf, crisv32-*-none, cris-*-elf, cris-*-none): Split into ... (crisv32-*-elf): ... this. (crisv32-*-none): ... this. (cris-*-elf, cris-*-none): New cases. Add cris/t-elfmulti to tmake_file. (fr30-*-elf): Append to tmake_file. Set extra_parts. (frv-*-elf): Append to tmake_file, add frv/t-frv. Set extra_parts. (h8300-*-rtems*): Append to tmake_file. Set extra_parts. (h8300-*-elf*): Likewise. (hppa*64*-*-hpux11*): Add pa/t-stublib, pa/t-stublib64 to tmake_file. Set extra_parts. (hppa[12]*-*-hpux11*): Add pa/t-stublib to tmake_file. Set extra_parts. (i[34567]86-*-elf*): Add i386/t-crtstuff, t-crtstuff-pic to tmake_file. (x86_64-*-elf*): Likewise. (i[34567]86-*-freebsd*): Add i386/t-crtstuff to tmake_file. (x86_64-*-freebsd*): Likewise. (x86_64-*-netbsd*): Likewise. (i[34567]86-*-linux*): Likewise. (i[34567]86-*-kfreebsd*-gnu, i[34567]86-*-knetbsd*-gnu) (i[34567]86-*-gnu*, i[34567]86-*-kopensolaris*-gnu): Likewise. (x86_64-*-linux*): Likewise. (x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Likewise. (i[34567]86-*-lynxos*): Add t-crtstuff-pic, i386/t-crtstuff to tmake_file. Set extra_parts. (i[34567]86-*-nto-qnx*): Set tmake_file, extra_parts. (i[34567]86-*-rtems*): Append to tmake_file, remove t-crtin. Append to extra_parts, remove crtbegin.o, crtend.o. (ia64*-*-elf*): Append to extra_parts, remove crtbegin.o, crtend.o. (ia64*-*-freebsd*): Append to extra_parts, remove crtbegin.o, crtend.o, crtbeginS.o, crtendS.o. (ia64*-*-linux*): Comment extra_parts. (ia64-hp-*vms*): Append to tmake_file, remove vms/t-vms, vms/t-vms64. Set extra_parts. (iq2000*-*-elf*): Clear extra_parts. (lm32-*-elf*, lm32-*-rtems*): Add t-crtin to tmake_file. (lm32-*-uclinux*): Add to extra_parts, remove crtbegin.o, crtend.o (m32r-*-elf*, m32r-*-rtems*): Split off ... (m32r-*-rtems*): ... this. Add m32r/t-m32r to tmake_file. (m68k-*-elf*): Add t-crtin to tmake_file. (m68k-*-rtems*): Add crti.o, crtn.o to extra_parts. (mcore-*-elf): Likewise. (microblaze*-*-*): Set extra_parts. (mips*-sde-elf*): New case. Set tmake_file, extra_parts. (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*) (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*) (mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add mips/t-crtstuff to tmake_file. Set extra_parts. (mipsisa64sr71k-*-elf*): Likewise. (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*): Likewise. (mips-*-elf*, mipsel-*-elf*): Likewise. (mips64-*-elf*, mips64el-*-elf*): Likewise. (mips64vr-*-elf*, mips64vrel-*-elf*): Likewise. (mips64orion-*-elf*, mips64orionel-*-elf*): Likewise. (mips*-*-rtems*): Likewise. (mipstx39-*-elf*, mipstx39el-*-elf*): Likewise. (moxie-*-*): Split into ... (moxie-*-elf, moxie-*-uclinux*): ... this. Add to extra_parts, remove crtbegin.o, crtend.o. (moxie-*-rtems*): New case. Set tmake_file. Clear extra_parts. (powerpc-*-freebsd*): Add rs6000/t-crtstuff to tmake_file. Set extra_parts. (powerpc-*-netbsd*): Add rs6000/t-netbsd to tmake_file. (powerpc-*-eabispe*): Add rs6000/t-crtstuff, t-crtstuff-pic to tmake_file. Set extra_parts. (powerpc-*-eabisimaltivec*): Add to tmake_file, add rs6000/t-ppccomm, rs6000/t-crtstuff, t-crtstuff-pic to tmake_file. Set extra_parts. (powerpc-*-eabisim*): Likewise. (powerpc-*-elf*): Likewise. (powerpc-*-eabialtivec*): Likewise. (powerpc-xilinx-eabi*): Likewise. (powerpc-*-eabi*): Likewise. (powerpc-*-rtems*): Likewise. (powerpc-*-linux*, powerpc64-*-linux*): Add rs6000/t-crtstuff to tmake_file. Set extra_parts. (powerpc-*-lynxos*): Add to tmake_file. (powerpcle-*-elf*): Add to tmake_file, add rs6000/t-ppccomm, rs6000/t-crtstuff, t-crtstuff-pic. Set extra_parts. (powerpcle-*-eabisim*): Likewise. (powerpcle-*-eabi*): Likewise. (rx-*-elf): Remove extra_parts. (s390x-ibm-tpf*): Set extra_parts. (score-*-elf): Set extra_parts. (sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*) (sh[2346lbe]*-*-linux*, sh-*-netbsdelf*, shl*-*-netbsdelf*) (sh5-*-netbsd*, sh5l*-*-netbsd*, sh64-*-netbsd*) (sh64l*-*-netbsd*): Split into ... (sh-*-elf*, sh[12346l]*-*-elf*): ... this. Add t-crtstuff-pic to tmake_file. Set extra_parts. (sh-*-rtems*): Add to tmake_file, add t-crtstuff-pic. Set extra_parts. (sh-wrs-vxworks): Add to tmake_file, add t-crtstuff-pic. (sparc-*-elf*): Remove t-crtin from tmake_file. Add to extra_parts, remove crtbegin.o, crtend.o. (sparc-*-linux*): Add sparc/t-linux64 to tmake_file. (sparc64-*-linux*): Likewise. (sparc-*-rtems*): Remove sparc/t-elf from tmake_file. Add to extra_parts, remove crtbegin.o, crtend.o. (sparc64-*-elf*): Remove t-crtin from tmake_file. Add to extra_parts, remove crtbegin.o, crtend.o. (sparc64-*-rtems*): Remove t-crtin from tmake_file. Add to extra_parts, remove crtbegin.o, crtend.o. (sparc64-*-freebsd*, ultrasparc-*-freebsd*): Add to extra_parts. (sparc64-*-linux*): Add sparc/t-linux64 to tmake_file. (spu-*-elf*): Add to tmake_file, add spu/t-elf. Set extra_parts. (tic6x-*-uclinux): Add c6x/t-uxlinux, t-crtstuff-pic to tmake_file. Set extra_parts. (tic6x-*-*): Change to ... (tic6x-*-elf): ... this. Set extra_parts. (xtensa*-*-elf*): Add to tmake_file, add xtensa/t-elf. Set extra_parts. (am33_2.0-*-linux*): Add comment. (mep*-*-*): Add mep/t-mep to tmake_file. Set extra_parts. * config/alpha/t-vms: New file. * config/alpha/vms-dwarf2.S, config/alpha/vms-dwarf2eh.S: New files. * config/arm/crti.S, config/arm/crtn.S: New files. * config/bfin/crti.S, config/bfin/crtn.S: New files. * config/bfin/crtlibid.S: New file. * config/bfin/t-crtlibid, config/bfin/t-crtstuff: New files. * config/c6x/crti.S, config/c6x/crtn.S: New files. * config/c6x/t-elf (CUSTOM_CRTIN): Set. (crti.o, crtin.o): New rules. (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Set. * config/c6x/t-uclinux: New file. * config/cris/t-elfmulti: New file. * config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Set. * config/fr30/crti.S, config/fr30/crtn.S: New files. * config/frv/frvbegin.c, config/frv/frvend.c: New files. * config/frv/t-frv: New file. * config/frv/t-linux (CRTSTUFF_T_CFLAGS): Set. * config/h8300/crti.S, config/h8300/crtn.S: New files. * config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c: New files. * config/i386/t-cygming (crtbegin.o, crtend.o): Use $(srcdir) to refer to cygming-crtbegin.c, cygming-crtend.c. Use $<. * config/i386/t-nto: New file. * config/ia64/crtbegin.S, config/ia64/crtend.S: New files. * config/ia64/crti.S, config/ia64/crtn.S: New files. * config/ia64/t-ia64 (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o): Use $(srcdir) to refer to crtbegin.S, crtend.S. Use .S extension. Use $<. * config/ia64/t-vms (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Set. (crtinitS.o): New rule. * config/ia64/vms-crtinit.S: New file. * config/lm32/t-elf ($(T)crti.o, $(T)crtn.o): Remove. * config/m32r/initfini.c: New file. * config/m32r/t-linux, config/m32r/t-m32r: New files. * config/m68k/crti.S, config/m68k/crtn.S: New files. * config/mcore/crti.S, config/mcore/crtn.S: New files. * config/mep/t-mep: New file. * config/microblaze/crti.S, config/microblaze/crtn.S: New files. * config/microblaze/t-microblaze (MULTILIB_OPTIONS): Remove. * config/mips/crti.S, config/mips/crtn.S: New files. * config/mips/t-crtstuff: New file. * config/mmix/crti.S, config/mmix/crtn.S: New files. * config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Set. (CUSTOM_CRTIN): Set. ($(T)crti.o, $(T)crtn.o): Remove $(T), dependencies. Use $(srcdir) to refer to crti.S, crtn.S. Use .S extension, $<. * config/moxie/crti.asm: Rename to ... * config/moxie/crti.S: ... this. * config/moxie/crtn.asm: Rename to ... * config/moxie/crtn.S: ... this. * config/moxie/t-moxie: Remove. * config/pa/stublib.c: New file. * config/pa/t-stublib, config/pa/t-stublib64: New files. * config/rs6000/eabi-ci.S, config/rs6000/eabi-cn.S: New files. * config/rs6000/sol-ci.S, config/rs6000/sol-cn.S: New files. * config/rs6000/t-crtstuff: New file. * config/rs6000/t-ppccomm (EXTRA_PARTS): Remove. (ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove. (ecrti$(objext)): Depend on $(srcdir)/config/rs6000/eabi-ci.S. Make output file explicit. (ecrtn$(objext)): Depend on $(srcdir)/config/rs6000/eabi-cn.S. Make output file explicit. (ncrti$(objext): Depend on $(srcdir)/config/rs6000/sol-ci.S. Make output file explicit. (ncrtn$(objext)): Depend on $(srcdir)/config/rs6000/sol-cn.S. Make output file explicit. * config/score/crti.S, config/score/crtn.S: New files. * config/sh/crt1.S, config/sh/crti.S, config/sh/crtn.S: New files. * config/sh/lib1funcs-4-300.S, config/sh/lib1funcs-Os-4-200.S: New files. * config/sh/t-sh, config/sh/t-superh: New files. * config/sparc/t-linux64: New file. * config/spu/cache.S, config/spu/cachemgr.c: New files. * config/spu/t-elf (CRTSTUFF_T_CFLAGS): Set. (cachemgr.o, cachemgr_nonatomic.o, libgcc_%.a, cache8k.o) (cache16k.o, cache32k.o, cache64k.o, cache128k.o): New rules. * config/t-crtin: Remove. * config/t-crtstuff-pic: New file. * config/t-sol2 (CUSTOM_CRTIN): Set. (crti.o, crtn.o): New rules. * config/vms/t-vms: New file. * config/vms/vms-ucrt0.c: New file. * config/xtensa/t-elf: New file. From-SVN: r180771
1370 lines
32 KiB
ArmAsm
1370 lines
32 KiB
ArmAsm
/* Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2009, 2011
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Free Software Foundation, Inc.
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This file was pretty much copied from newlib.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifdef MMU_SUPPORT
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/* Section used for exception/timer interrupt stack area */
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.section .data.vbr.stack,"aw"
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.align 4
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.global __ST_VBR
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__ST_VBR:
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.zero 1024 * 2 /* ; 2k for VBR handlers */
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/* Label at the highest stack address where the stack grows from */
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__timer_stack:
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#endif /* MMU_SUPPORT */
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/* ;----------------------------------------
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Normal newlib crt1.S */
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#ifdef __SH5__
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.section .data,"aw"
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.global ___data
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___data:
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.section .rodata,"a"
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.global ___rodata
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___rodata:
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#define ICCR_BASE 0x01600000
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#define OCCR_BASE 0x01e00000
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#define MMUIR_BASE 0x00000000
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#define MMUDR_BASE 0x00800000
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#define PTE_ENABLED 1
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#define PTE_DISABLED 0
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#define PTE_SHARED (1 << 1)
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#define PTE_NOT_SHARED 0
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#define PTE_CB_UNCACHEABLE 0
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#define PTE_CB_DEVICE 1
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#define PTE_CB_CACHEABLE_WB 2
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#define PTE_CB_CACHEABLE_WT 3
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#define PTE_SZ_4KB (0 << 3)
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#define PTE_SZ_64KB (1 << 3)
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#define PTE_SZ_1MB (2 << 3)
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#define PTE_SZ_512MB (3 << 3)
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#define PTE_PRR (1 << 6)
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#define PTE_PRX (1 << 7)
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#define PTE_PRW (1 << 8)
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#define PTE_PRU (1 << 9)
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#define SR_MMU_BIT 31
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#define SR_BL_BIT 28
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#define ALIGN_4KB (0xfff)
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#define ALIGN_1MB (0xfffff)
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#define ALIGN_512MB (0x1fffffff)
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#define DYNACON_BASE 0x0f000000
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#define DM_CB_DLINK_BASE 0x0c000000
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#define DM_DB_DLINK_BASE 0x0b000000
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#define FEMI_AREA_0 0x00000000
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#define FEMI_AREA_1 0x04000000
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#define FEMI_AREA_2 0x05000000
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#define FEMI_AREA_3 0x06000000
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#define FEMI_AREA_4 0x07000000
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#define FEMI_CB 0x08000000
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#define EMI_BASE 0X80000000
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#define DMA_BASE 0X0e000000
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#define CPU_BASE 0X0d000000
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#define PERIPH_BASE 0X09000000
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#define DMAC_BASE 0x0e000000
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#define INTC_BASE 0x0a000000
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#define CPRC_BASE 0x0a010000
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#define TMU_BASE 0x0a020000
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#define SCIF_BASE 0x0a030000
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#define RTC_BASE 0x0a040000
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#define LOAD_CONST32(val, reg) \
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movi ((val) >> 16) & 65535, reg; \
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shori (val) & 65535, reg
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#define LOAD_PTEH_VAL(sym, align, bits, scratch_reg, reg) \
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LOAD_ADDR (sym, reg); \
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LOAD_CONST32 ((align), scratch_reg); \
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andc reg, scratch_reg, reg; \
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LOAD_CONST32 ((bits), scratch_reg); \
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or reg, scratch_reg, reg
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#define LOAD_PTEL_VAL(sym, align, bits, scratch_reg, reg) \
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LOAD_ADDR (sym, reg); \
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LOAD_CONST32 ((align), scratch_reg); \
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andc reg, scratch_reg, reg; \
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LOAD_CONST32 ((bits), scratch_reg); \
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or reg, scratch_reg, reg
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#define SET_PTE(pte_addr_reg, pteh_val_reg, ptel_val_reg) \
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putcfg pte_addr_reg, 0, r63; \
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putcfg pte_addr_reg, 1, ptel_val_reg; \
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putcfg pte_addr_reg, 0, pteh_val_reg
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#if __SH5__ == 64
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.section .text,"ax"
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#define LOAD_ADDR(sym, reg) \
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movi (sym >> 48) & 65535, reg; \
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shori (sym >> 32) & 65535, reg; \
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shori (sym >> 16) & 65535, reg; \
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shori sym & 65535, reg
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#else
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.mode SHmedia
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.section .text..SHmedia32,"ax"
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#define LOAD_ADDR(sym, reg) \
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movi (sym >> 16) & 65535, reg; \
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shori sym & 65535, reg
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#endif
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.global start
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start:
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LOAD_ADDR (_stack, r15)
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#ifdef MMU_SUPPORT
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! Set up the VM using the MMU and caches
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! .vm_ep is first instruction to execute
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! after VM initialization
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pt/l .vm_ep, tr1
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! Configure instruction cache (ICCR)
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movi 3, r2
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movi 0, r3
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LOAD_ADDR (ICCR_BASE, r1)
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putcfg r1, 0, r2
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putcfg r1, 1, r3
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! movi 7, r2 ! write through
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! Configure operand cache (OCCR)
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LOAD_ADDR (OCCR_BASE, r1)
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putcfg r1, 0, r2
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putcfg r1, 1, r3
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! Disable all PTE translations
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LOAD_ADDR (MMUIR_BASE, r1)
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LOAD_ADDR (MMUDR_BASE, r2)
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movi 64, r3
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pt/l .disable_ptes_loop, tr0
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.disable_ptes_loop:
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putcfg r1, 0, r63
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putcfg r2, 0, r63
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addi r1, 16, r1
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addi r2, 16, r2
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addi r3, -1, r3
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bgt r3, r63, tr0
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LOAD_ADDR (MMUIR_BASE, r1)
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! FEMI instruction mappings
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! Area 0 - 1Mb cacheable at 0x00000000
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! Area 1 - None
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! Area 2 - 1Mb cacheable at 0x05000000
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! - 1Mb cacheable at 0x05100000
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! Area 3 - None
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! Area 4 - None
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! Map a 1Mb page for instructions at 0x00000000
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LOAD_PTEH_VAL (FEMI_AREA_0, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (FEMI_AREA_0, ALIGN_1MB, PTE_CB_CACHEABLE_WB | PTE_SZ_1MB | PTE_PRX | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 1Mb page for instructions at 0x05000000
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addi r1, 16, r1
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LOAD_PTEH_VAL (FEMI_AREA_2, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (FEMI_AREA_2, ALIGN_1MB, PTE_CB_CACHEABLE_WB | PTE_SZ_1MB | PTE_PRX | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 1Mb page for instructions at 0x05100000
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addi r1, 16, r1
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LOAD_PTEH_VAL ((FEMI_AREA_2+0x100000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL ((FEMI_AREA_2+0x100000), ALIGN_1MB, PTE_CB_CACHEABLE_WB | PTE_SZ_1MB | PTE_PRX | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 512M page for instructions at EMI base
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addi r1, 16, r1
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LOAD_PTEH_VAL (EMI_BASE, ALIGN_512MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (EMI_BASE, ALIGN_512MB, PTE_CB_CACHEABLE_WB | PTE_SZ_512MB | PTE_PRX | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 4K page for instructions at DM_DB_DLINK_BASE
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addi r1, 16, r1
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LOAD_PTEH_VAL (DM_DB_DLINK_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (DM_DB_DLINK_BASE, ALIGN_4KB, PTE_CB_CACHEABLE_WB | PTE_SZ_4KB | PTE_PRX | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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LOAD_ADDR (MMUDR_BASE, r1)
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! FEMI data mappings
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! Area 0 - 1Mb cacheable at 0x00000000
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! Area 1 - 1Mb device at 0x04000000
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! Area 2 - 1Mb cacheable at 0x05000000
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! - 1Mb cacheable at 0x05100000
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! Area 3 - None
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! Area 4 - None
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! CB - 1Mb device at 0x08000000
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! Map a 1Mb page for data at 0x00000000
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LOAD_PTEH_VAL (FEMI_AREA_0, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (FEMI_AREA_0, ALIGN_1MB, PTE_CB_CACHEABLE_WB | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 1Mb page for data at 0x04000000
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addi r1, 16, r1
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LOAD_PTEH_VAL (FEMI_AREA_1, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (FEMI_AREA_1, ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 1Mb page for data at 0x05000000
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addi r1, 16, r1
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LOAD_PTEH_VAL (FEMI_AREA_2, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (FEMI_AREA_2, ALIGN_1MB, PTE_CB_CACHEABLE_WB | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 1Mb page for data at 0x05100000
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addi r1, 16, r1
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LOAD_PTEH_VAL ((FEMI_AREA_2+0x100000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL ((FEMI_AREA_2+0x100000), ALIGN_1MB, PTE_CB_CACHEABLE_WB | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
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! Map a 4K page for registers at 0x08000000
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addi r1, 16, r1
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LOAD_PTEH_VAL (FEMI_CB, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
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LOAD_PTEL_VAL (FEMI_CB, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
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SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 512M page for data at EMI
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (EMI_BASE, ALIGN_512MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (EMI_BASE, ALIGN_512MB, PTE_CB_CACHEABLE_WB | PTE_SZ_512MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 4K page for DYNACON at DYNACON_BASE
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (DYNACON_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (DYNACON_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 4K page for instructions at DM_DB_DLINK_BASE
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (DM_DB_DLINK_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (DM_DB_DLINK_BASE, ALIGN_4KB, PTE_CB_CACHEABLE_WB | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 4K page for data at DM_DB_DLINK_BASE+0x1000
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((DM_DB_DLINK_BASE+0x1000), ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((DM_DB_DLINK_BASE+0x1000), ALIGN_4KB, PTE_CB_UNCACHEABLE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 4K page for stack DM_DB_DLINK_BASE+0x2000
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((DM_DB_DLINK_BASE+0x2000), ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((DM_DB_DLINK_BASE+0x2000), ALIGN_4KB, PTE_CB_CACHEABLE_WB | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 1M page for DM_CB_BASE2 at DM_CB_DLINK
|
|
! 0x0c000000 - 0x0c0fffff
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (DM_CB_DLINK_BASE, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (DM_CB_DLINK_BASE, ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 1M page for DM_CB_BASE2 at DM_CB_DLINK
|
|
! 0x0c100000 - 0x0c1fffff
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((DM_CB_DLINK_BASE+0x100000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((DM_CB_DLINK_BASE+0x100000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 1M page for DM_CB_BASE2 at DM_CB_DLINK
|
|
! 0x0c200000 - 0x0c2fffff
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((DM_CB_DLINK_BASE+0x200000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((DM_CB_DLINK_BASE+0x200000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 1M page for DM_CB_BASE2 at DM_CB_DLINK
|
|
! 0x0c400000 - 0x0c4fffff
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((DM_CB_DLINK_BASE+0x400000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((DM_CB_DLINK_BASE+0x400000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 1M page for DM_CB_BASE2 at DM_CB_DLINK
|
|
! 0x0c800000 - 0x0c8fffff
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((DM_CB_DLINK_BASE+0x800000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((DM_CB_DLINK_BASE+0x800000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map a 4K page for DMA control registers
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (DMA_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (DMA_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map lots of 4K pages for peripherals
|
|
|
|
! /* peripheral */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (PERIPH_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (PERIPH_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
! /* dmac */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (DMAC_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (DMAC_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
! /* intc */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (INTC_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (INTC_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
! /* rtc */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (RTC_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (RTC_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
! /* dmac */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (TMU_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (TMU_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
! /* scif */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (SCIF_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (SCIF_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
! /* cprc */
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (CPRC_BASE, ALIGN_4KB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (CPRC_BASE, ALIGN_4KB, PTE_CB_DEVICE | PTE_SZ_4KB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Map CPU WPC registers
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL (CPU_BASE, ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL (CPU_BASE, ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
addi r1, 16, r1
|
|
|
|
LOAD_PTEH_VAL ((CPU_BASE+0x100000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((CPU_BASE+0x100000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((CPU_BASE+0x200000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((CPU_BASE+0x200000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
addi r1, 16, r1
|
|
LOAD_PTEH_VAL ((CPU_BASE+0x400000), ALIGN_1MB, PTE_ENABLED | PTE_NOT_SHARED, r25, r2)
|
|
LOAD_PTEL_VAL ((CPU_BASE+0x400000), ALIGN_1MB, PTE_CB_DEVICE | PTE_SZ_1MB | PTE_PRR | PTE_PRW | PTE_PRU, r25, r3)
|
|
SET_PTE (r1, r2, r3)
|
|
|
|
! Switch over to virtual addressing and enabled cache
|
|
getcon sr, r1
|
|
movi 1, r2
|
|
shlli r2, SR_BL_BIT, r2
|
|
or r1, r2, r1
|
|
putcon r1, ssr
|
|
getcon sr, r1
|
|
movi 1, r2
|
|
shlli r2, SR_MMU_BIT, r2
|
|
or r1, r2, r1
|
|
putcon r1, ssr
|
|
gettr tr1, r1
|
|
putcon r1, spc
|
|
synco
|
|
rte
|
|
|
|
! VM entry point. From now on, we are in VM mode.
|
|
.vm_ep:
|
|
|
|
! Install the trap handler, by seeding vbr with the
|
|
! correct value, and by assigning sr.bl = 0.
|
|
|
|
LOAD_ADDR (vbr_start, r1)
|
|
putcon r1, vbr
|
|
movi ~(1<<28), r1
|
|
getcon sr, r2
|
|
and r1, r2, r2
|
|
putcon r2, sr
|
|
#endif /* MMU_SUPPORT */
|
|
|
|
pt/l .Lzero_bss_loop, tr0
|
|
pt/l _init, tr5
|
|
pt/l ___setup_argv_and_call_main, tr6
|
|
pt/l _exit, tr7
|
|
|
|
! zero out bss
|
|
LOAD_ADDR (_edata, r0)
|
|
LOAD_ADDR (_end, r1)
|
|
.Lzero_bss_loop:
|
|
stx.q r0, r63, r63
|
|
addi r0, 8, r0
|
|
bgt/l r1, r0, tr0
|
|
|
|
LOAD_ADDR (___data, r26)
|
|
LOAD_ADDR (___rodata, r27)
|
|
|
|
#ifdef __SH_FPU_ANY__
|
|
getcon sr, r0
|
|
! enable the FP unit, by resetting SR.FD
|
|
! also zero out SR.FR, SR.SZ and SR.PR, as mandated by the ABI
|
|
movi 0, r1
|
|
shori 0xf000, r1
|
|
andc r0, r1, r0
|
|
putcon r0, sr
|
|
#if __SH5__ == 32
|
|
pt/l ___set_fpscr, tr0
|
|
movi 0, r4
|
|
blink tr0, r18
|
|
#endif
|
|
#endif
|
|
|
|
! arrange for exit to call fini
|
|
pt/l _atexit, tr1
|
|
LOAD_ADDR (_fini, r2)
|
|
blink tr1, r18
|
|
|
|
! call init
|
|
blink tr5, r18
|
|
|
|
! call the mainline
|
|
blink tr6, r18
|
|
|
|
! call exit
|
|
blink tr7, r18
|
|
! We should never return from _exit but in case we do we would enter the
|
|
! the following tight loop. This avoids executing any data that might follow.
|
|
limbo:
|
|
pt/l limbo, tr0
|
|
blink tr0, r63
|
|
|
|
#ifdef MMU_SUPPORT
|
|
! All these traps are handled in the same place.
|
|
.balign 256
|
|
vbr_start:
|
|
pt/l handler, tr0 ! tr0 trashed.
|
|
blink tr0, r63
|
|
.balign 256
|
|
vbr_100:
|
|
pt/l handler, tr0 ! tr0 trashed.
|
|
blink tr0, r63
|
|
vbr_100_end:
|
|
.balign 256
|
|
vbr_200:
|
|
pt/l handler, tr0 ! tr0 trashed.
|
|
blink tr0, r63
|
|
.balign 256
|
|
vbr_300:
|
|
pt/l handler, tr0 ! tr0 trashed.
|
|
blink tr0, r63
|
|
.balign 256
|
|
vbr_400: ! Should be at vbr+0x400
|
|
handler:
|
|
/* If the trap handler is there call it */
|
|
LOAD_ADDR (__superh_trap_handler, r2)
|
|
pta chandler,tr2
|
|
beq r2, r63, tr2 /* If zero, ie not present branch around to chandler */
|
|
/* Now call the trap handler with as much of the context unchanged as possible.
|
|
Move trapping address into R18 to make it look like the trap point */
|
|
getcon spc, r18
|
|
pt/l __superh_trap_handler, tr0
|
|
blink tr0, r7
|
|
chandler:
|
|
getcon spc, r62
|
|
getcon expevt, r2
|
|
pt/l _exit, tr0
|
|
blink tr0, r63
|
|
|
|
/* Simulated trap handler */
|
|
.section .text..SHmedia32,"ax"
|
|
gcc2_compiled.:
|
|
.section .debug_abbrev
|
|
.Ldebug_abbrev0:
|
|
.section .text..SHmedia32
|
|
.Ltext0:
|
|
.section .debug_info
|
|
.Ldebug_info0:
|
|
.section .debug_line
|
|
.Ldebug_line0:
|
|
.section .text..SHmedia32,"ax"
|
|
.align 5
|
|
.global __superh_trap_handler
|
|
.type __superh_trap_handler,@function
|
|
__superh_trap_handler:
|
|
.LFB1:
|
|
ptabs r18, tr0
|
|
addi.l r15, -8, r15
|
|
st.l r15, 4, r14
|
|
addi.l r15, -8, r15
|
|
add.l r15, r63, r14
|
|
st.l r14, 0, r2
|
|
ptabs r7, tr0
|
|
addi.l r14, 8, r14
|
|
add.l r14, r63, r15
|
|
ld.l r15, 4, r14
|
|
addi.l r15, 8, r15
|
|
blink tr0, r63
|
|
.LFE1:
|
|
.Lfe1:
|
|
.size __superh_trap_handler,.Lfe1-__superh_trap_handler
|
|
|
|
.section .text..SHmedia32
|
|
.Letext0:
|
|
|
|
.section .debug_info
|
|
.ualong 0xa7
|
|
.uaword 0x2
|
|
.ualong .Ldebug_abbrev0
|
|
.byte 0x4
|
|
.byte 0x1
|
|
.ualong .Ldebug_line0
|
|
.ualong .Letext0
|
|
.ualong .Ltext0
|
|
.string "trap_handler.c"
|
|
|
|
.string "xxxxxxxxxxxxxxxxxxxxxxxxxxxx"
|
|
|
|
.string "GNU C 2.97-sh5-010522"
|
|
|
|
.byte 0x1
|
|
.byte 0x2
|
|
.ualong 0x9a
|
|
.byte 0x1
|
|
.string "_superh_trap_handler"
|
|
|
|
.byte 0x1
|
|
.byte 0x2
|
|
.byte 0x1
|
|
.ualong .LFB1
|
|
.ualong .LFE1
|
|
.byte 0x1
|
|
.byte 0x5e
|
|
.byte 0x3
|
|
.string "trap_reason"
|
|
|
|
.byte 0x1
|
|
.byte 0x1
|
|
.ualong 0x9a
|
|
.byte 0x2
|
|
.byte 0x91
|
|
.byte 0x0
|
|
.byte 0x0
|
|
.byte 0x4
|
|
.string "unsigned int"
|
|
|
|
.byte 0x4
|
|
.byte 0x7
|
|
.byte 0x0
|
|
|
|
.section .debug_abbrev
|
|
.byte 0x1
|
|
.byte 0x11
|
|
.byte 0x1
|
|
.byte 0x10
|
|
.byte 0x6
|
|
.byte 0x12
|
|
.byte 0x1
|
|
.byte 0x11
|
|
.byte 0x1
|
|
.byte 0x3
|
|
.byte 0x8
|
|
.byte 0x1b
|
|
.byte 0x8
|
|
.byte 0x25
|
|
.byte 0x8
|
|
.byte 0x13
|
|
.byte 0xb
|
|
.byte 0,0
|
|
.byte 0x2
|
|
.byte 0x2e
|
|
.byte 0x1
|
|
.byte 0x1
|
|
.byte 0x13
|
|
.byte 0x3f
|
|
.byte 0xc
|
|
.byte 0x3
|
|
.byte 0x8
|
|
.byte 0x3a
|
|
.byte 0xb
|
|
.byte 0x3b
|
|
.byte 0xb
|
|
.byte 0x27
|
|
.byte 0xc
|
|
.byte 0x11
|
|
.byte 0x1
|
|
.byte 0x12
|
|
.byte 0x1
|
|
.byte 0x40
|
|
.byte 0xa
|
|
.byte 0,0
|
|
.byte 0x3
|
|
.byte 0x5
|
|
.byte 0x0
|
|
.byte 0x3
|
|
.byte 0x8
|
|
.byte 0x3a
|
|
.byte 0xb
|
|
.byte 0x3b
|
|
.byte 0xb
|
|
.byte 0x49
|
|
.byte 0x13
|
|
.byte 0x2
|
|
.byte 0xa
|
|
.byte 0,0
|
|
.byte 0x4
|
|
.byte 0x24
|
|
.byte 0x0
|
|
.byte 0x3
|
|
.byte 0x8
|
|
.byte 0xb
|
|
.byte 0xb
|
|
.byte 0x3e
|
|
.byte 0xb
|
|
.byte 0,0
|
|
.byte 0
|
|
|
|
.section .debug_pubnames
|
|
.ualong 0x27
|
|
.uaword 0x2
|
|
.ualong .Ldebug_info0
|
|
.ualong 0xab
|
|
.ualong 0x5b
|
|
.string "_superh_trap_handler"
|
|
|
|
.ualong 0x0
|
|
|
|
.section .debug_aranges
|
|
.ualong 0x1c
|
|
.uaword 0x2
|
|
.ualong .Ldebug_info0
|
|
.byte 0x4
|
|
.byte 0x0
|
|
.uaword 0x0,0
|
|
.ualong .Ltext0
|
|
.ualong .Letext0-.Ltext0
|
|
.ualong 0x0
|
|
.ualong 0x0
|
|
.ident "GCC: (GNU) 2.97-sh5-010522"
|
|
#endif /* MMU_SUPPORT */
|
|
#else /* ! __SH5__ */
|
|
|
|
! make a place to keep any previous value of the vbr register
|
|
! this will only have a value if it has been set by redboot (for example)
|
|
.section .bss
|
|
old_vbr:
|
|
.long 0
|
|
#ifdef PROFILE
|
|
profiling_enabled:
|
|
.long 0
|
|
#endif
|
|
|
|
|
|
.section .text
|
|
.global start
|
|
.import ___rtos_profiler_start_timer
|
|
.weak ___rtos_profiler_start_timer
|
|
start:
|
|
mov.l stack_k,r15
|
|
|
|
#if defined (__SH3__) || (defined (__SH_FPU_ANY__) && ! defined (__SH2A__)) || defined (__SH4_NOFPU__)
|
|
#define VBR_SETUP
|
|
! before zeroing the bss ...
|
|
! if the vbr is already set to vbr_start then the program has been restarted
|
|
! (i.e. it is not the first time the program has been run since reset)
|
|
! reset the vbr to its old value before old_vbr (in bss) is wiped
|
|
! this ensures that the later code does not create a circular vbr chain
|
|
stc vbr, r1
|
|
mov.l vbr_start_k, r2
|
|
cmp/eq r1, r2
|
|
bf 0f
|
|
! reset the old vbr value
|
|
mov.l old_vbr_k, r1
|
|
mov.l @r1, r2
|
|
ldc r2, vbr
|
|
0:
|
|
#endif /* VBR_SETUP */
|
|
|
|
! zero out bss
|
|
mov.l edata_k,r0
|
|
mov.l end_k,r1
|
|
mov #0,r2
|
|
start_l:
|
|
mov.l r2,@r0
|
|
add #4,r0
|
|
cmp/ge r0,r1
|
|
bt start_l
|
|
|
|
#if defined (__SH_FPU_ANY__)
|
|
mov.l set_fpscr_k, r1
|
|
mov #4,r4
|
|
jsr @r1
|
|
shll16 r4 ! Set DN bit (flush denormal inputs to zero)
|
|
lds r3,fpscr ! Switch to default precision
|
|
#endif /* defined (__SH_FPU_ANY__) */
|
|
|
|
#ifdef VBR_SETUP
|
|
! save the existing contents of the vbr
|
|
! there will only be a prior value when using something like redboot
|
|
! otherwise it will be zero
|
|
stc vbr, r1
|
|
mov.l old_vbr_k, r2
|
|
mov.l r1, @r2
|
|
! setup vbr
|
|
mov.l vbr_start_k, r1
|
|
ldc r1,vbr
|
|
#endif /* VBR_SETUP */
|
|
|
|
! if an rtos is exporting a timer start fn,
|
|
! then pick up an SR which does not enable ints
|
|
! (the rtos will take care of this)
|
|
mov.l rtos_start_fn, r0
|
|
mov.l sr_initial_bare, r1
|
|
tst r0, r0
|
|
bt set_sr
|
|
|
|
mov.l sr_initial_rtos, r1
|
|
|
|
set_sr:
|
|
! Set status register (sr)
|
|
ldc r1, sr
|
|
|
|
! arrange for exit to call fini
|
|
mov.l atexit_k,r0
|
|
mov.l fini_k,r4
|
|
jsr @r0
|
|
nop
|
|
|
|
#ifdef PROFILE
|
|
! arrange for exit to call _mcleanup (via stop_profiling)
|
|
mova stop_profiling,r0
|
|
mov.l atexit_k,r1
|
|
jsr @r1
|
|
mov r0, r4
|
|
|
|
! Call profiler startup code
|
|
mov.l monstartup_k, r0
|
|
mov.l start_k, r4
|
|
mov.l etext_k, r5
|
|
jsr @r0
|
|
nop
|
|
|
|
! enable profiling trap
|
|
! until now any trap 33s will have been ignored
|
|
! This means that all library functions called before this point
|
|
! (directly or indirectly) may have the profiling trap at the start.
|
|
! Therefore, only mcount itself may not have the extra header.
|
|
mov.l profiling_enabled_k2, r0
|
|
mov #1, r1
|
|
mov.l r1, @r0
|
|
#endif /* PROFILE */
|
|
|
|
! call init
|
|
mov.l init_k,r0
|
|
jsr @r0
|
|
nop
|
|
|
|
! call the mainline
|
|
mov.l main_k,r0
|
|
jsr @r0
|
|
nop
|
|
|
|
! call exit
|
|
mov r0,r4
|
|
mov.l exit_k,r0
|
|
jsr @r0
|
|
nop
|
|
|
|
.balign 4
|
|
#ifdef PROFILE
|
|
stop_profiling:
|
|
# stop mcount counting
|
|
mov.l profiling_enabled_k2, r0
|
|
mov #0, r1
|
|
mov.l r1, @r0
|
|
|
|
# call mcleanup
|
|
mov.l mcleanup_k, r0
|
|
jmp @r0
|
|
nop
|
|
|
|
.balign 4
|
|
mcleanup_k:
|
|
.long __mcleanup
|
|
monstartup_k:
|
|
.long ___monstartup
|
|
profiling_enabled_k2:
|
|
.long profiling_enabled
|
|
start_k:
|
|
.long _start
|
|
etext_k:
|
|
.long __etext
|
|
#endif /* PROFILE */
|
|
|
|
.align 2
|
|
#if defined (__SH_FPU_ANY__)
|
|
set_fpscr_k:
|
|
.long ___set_fpscr
|
|
#endif /* defined (__SH_FPU_ANY__) */
|
|
|
|
stack_k:
|
|
.long _stack
|
|
edata_k:
|
|
.long _edata
|
|
end_k:
|
|
.long _end
|
|
main_k:
|
|
.long ___setup_argv_and_call_main
|
|
exit_k:
|
|
.long _exit
|
|
atexit_k:
|
|
.long _atexit
|
|
init_k:
|
|
.long _init
|
|
fini_k:
|
|
.long _fini
|
|
#ifdef VBR_SETUP
|
|
old_vbr_k:
|
|
.long old_vbr
|
|
vbr_start_k:
|
|
.long vbr_start
|
|
#endif /* VBR_SETUP */
|
|
|
|
sr_initial_rtos:
|
|
! Privileged mode RB 1 BL 0. Keep BL 0 to allow default trap handlers to work.
|
|
! Whether profiling or not, keep interrupts masked,
|
|
! the RTOS will enable these if required.
|
|
.long 0x600000f1
|
|
|
|
rtos_start_fn:
|
|
.long ___rtos_profiler_start_timer
|
|
|
|
#ifdef PROFILE
|
|
sr_initial_bare:
|
|
! Privileged mode RB 1 BL 0. Keep BL 0 to allow default trap handlers to work.
|
|
! For bare machine, we need to enable interrupts to get profiling working
|
|
.long 0x60000001
|
|
#else
|
|
|
|
sr_initial_bare:
|
|
! Privileged mode RB 1 BL 0. Keep BL 0 to allow default trap handlers to work.
|
|
! Keep interrupts disabled - the application will enable as required.
|
|
.long 0x600000f1
|
|
#endif
|
|
|
|
! supplied for backward compatibility only, in case of linking
|
|
! code whose main() was compiled with an older version of GCC.
|
|
.global ___main
|
|
___main:
|
|
rts
|
|
nop
|
|
#ifdef VBR_SETUP
|
|
! Exception handlers
|
|
.section .text.vbr, "ax"
|
|
vbr_start:
|
|
|
|
.org 0x100
|
|
vbr_100:
|
|
#ifdef PROFILE
|
|
! Note on register usage.
|
|
! we use r0..r3 as scratch in this code. If we are here due to a trapa for profiling
|
|
! then this is OK as we are just before executing any function code.
|
|
! The other r4..r7 we save explicityl on the stack
|
|
! Remaining registers are saved by normal ABI conventions and we assert we do not
|
|
! use floating point registers.
|
|
mov.l expevt_k1, r1
|
|
mov.l @r1, r1
|
|
mov.l event_mask, r0
|
|
and r0,r1
|
|
mov.l trapcode_k, r2
|
|
cmp/eq r1,r2
|
|
bt 1f
|
|
bra handler_100 ! if not a trapa, go to default handler
|
|
nop
|
|
1:
|
|
mov.l trapa_k, r0
|
|
mov.l @r0, r0
|
|
shlr2 r0 ! trapa code is shifted by 2.
|
|
cmp/eq #33, r0
|
|
bt 2f
|
|
bra handler_100
|
|
nop
|
|
2:
|
|
|
|
! If here then it looks like we have trap #33
|
|
! Now we need to call mcount with the following convention
|
|
! Save and restore r4..r7
|
|
mov.l r4,@-r15
|
|
mov.l r5,@-r15
|
|
mov.l r6,@-r15
|
|
mov.l r7,@-r15
|
|
sts.l pr,@-r15
|
|
|
|
! r4 is frompc.
|
|
! r5 is selfpc
|
|
! r0 is the branch back address.
|
|
! The code sequence emitted by gcc for the profiling trap is
|
|
! .align 2
|
|
! trapa #33
|
|
! .align 2
|
|
! .long lab Where lab is planted by the compiler. This is the address
|
|
! of a datum that needs to be incremented.
|
|
sts pr, r4 ! frompc
|
|
stc spc, r5 ! selfpc
|
|
mov #2, r2
|
|
not r2, r2 ! pattern to align to 4
|
|
and r2, r5 ! r5 now has aligned address
|
|
! add #4, r5 ! r5 now has address of address
|
|
mov r5, r2 ! Remember it.
|
|
! mov.l @r5, r5 ! r5 has value of lable (lab in above example)
|
|
add #8, r2
|
|
ldc r2, spc ! our return address avoiding address word
|
|
|
|
! only call mcount if profiling is enabled
|
|
mov.l profiling_enabled_k, r0
|
|
mov.l @r0, r0
|
|
cmp/eq #0, r0
|
|
bt 3f
|
|
! call mcount
|
|
mov.l mcount_k, r2
|
|
jsr @r2
|
|
nop
|
|
3:
|
|
lds.l @r15+,pr
|
|
mov.l @r15+,r7
|
|
mov.l @r15+,r6
|
|
mov.l @r15+,r5
|
|
mov.l @r15+,r4
|
|
rte
|
|
nop
|
|
.balign 4
|
|
event_mask:
|
|
.long 0xfff
|
|
trapcode_k:
|
|
.long 0x160
|
|
expevt_k1:
|
|
.long 0xff000024 ! Address of expevt
|
|
trapa_k:
|
|
.long 0xff000020
|
|
mcount_k:
|
|
.long __call_mcount
|
|
profiling_enabled_k:
|
|
.long profiling_enabled
|
|
#endif
|
|
! Non profiling case.
|
|
handler_100:
|
|
mov.l 2f, r0 ! load the old vbr setting (if any)
|
|
mov.l @r0, r0
|
|
cmp/eq #0, r0
|
|
bf 1f
|
|
! no previous vbr - jump to own generic handler
|
|
bra handler
|
|
nop
|
|
1: ! there was a previous handler - chain them
|
|
add #0x7f, r0 ! 0x7f
|
|
add #0x7f, r0 ! 0xfe
|
|
add #0x2, r0 ! add 0x100 without corrupting another register
|
|
jmp @r0
|
|
nop
|
|
.balign 4
|
|
2:
|
|
.long old_vbr
|
|
|
|
.org 0x400
|
|
vbr_400: ! Should be at vbr+0x400
|
|
mov.l 2f, r0 ! load the old vbr setting (if any)
|
|
mov.l @r0, r0
|
|
cmp/eq #0, r0
|
|
! no previous vbr - jump to own generic handler
|
|
bt handler
|
|
! there was a previous handler - chain them
|
|
rotcr r0
|
|
rotcr r0
|
|
add #0x7f, r0 ! 0x1fc
|
|
add #0x7f, r0 ! 0x3f8
|
|
add #0x02, r0 ! 0x400
|
|
rotcl r0
|
|
rotcl r0 ! Add 0x400 without corrupting another register
|
|
jmp @r0
|
|
nop
|
|
.balign 4
|
|
2:
|
|
.long old_vbr
|
|
handler:
|
|
/* If the trap handler is there call it */
|
|
mov.l superh_trap_handler_k, r0
|
|
cmp/eq #0, r0 ! True if zero.
|
|
bf 3f
|
|
bra chandler
|
|
nop
|
|
3:
|
|
! Here handler available, call it.
|
|
/* Now call the trap handler with as much of the context unchanged as possible.
|
|
Move trapping address into PR to make it look like the trap point */
|
|
stc spc, r1
|
|
lds r1, pr
|
|
mov.l expevt_k, r4
|
|
mov.l @r4, r4 ! r4 is value of expevt, first parameter.
|
|
mov r1, r5 ! Remember trapping pc.
|
|
mov r1, r6 ! Remember trapping pc.
|
|
mov.l chandler_k, r1
|
|
mov.l superh_trap_handler_k, r2
|
|
! jmp to trap handler to avoid disturbing pr.
|
|
jmp @r2
|
|
nop
|
|
|
|
.org 0x600
|
|
vbr_600:
|
|
#ifdef PROFILE
|
|
! Should be at vbr+0x600
|
|
! Now we are in the land of interrupts so need to save more state.
|
|
! Save register state
|
|
mov.l interrupt_stack_k, r15 ! r15 has been saved to sgr.
|
|
mov.l r0,@-r15
|
|
mov.l r1,@-r15
|
|
mov.l r2,@-r15
|
|
mov.l r3,@-r15
|
|
mov.l r4,@-r15
|
|
mov.l r5,@-r15
|
|
mov.l r6,@-r15
|
|
mov.l r7,@-r15
|
|
sts.l pr,@-r15
|
|
sts.l mach,@-r15
|
|
sts.l macl,@-r15
|
|
#if defined(__SH_FPU_ANY__)
|
|
! Save fpul and fpscr, save fr0-fr7 in 64 bit mode
|
|
! and set the pervading precision for the timer_handler
|
|
mov #0,r0
|
|
sts.l fpul,@-r15
|
|
sts.l fpscr,@-r15
|
|
lds r0,fpscr ! Clear fpscr
|
|
fmov fr0,@-r15
|
|
fmov fr1,@-r15
|
|
fmov fr2,@-r15
|
|
fmov fr3,@-r15
|
|
mov.l pervading_precision_k,r0
|
|
fmov fr4,@-r15
|
|
fmov fr5,@-r15
|
|
mov.l @r0,r0
|
|
fmov fr6,@-r15
|
|
fmov fr7,@-r15
|
|
lds r0,fpscr
|
|
#endif /* __SH_FPU_ANY__ */
|
|
! Pass interrupted pc to timer_handler as first parameter (r4).
|
|
stc spc, r4
|
|
mov.l timer_handler_k, r0
|
|
jsr @r0
|
|
nop
|
|
#if defined(__SH_FPU_ANY__)
|
|
mov #0,r0
|
|
lds r0,fpscr ! Clear the fpscr
|
|
fmov @r15+,fr7
|
|
fmov @r15+,fr6
|
|
fmov @r15+,fr5
|
|
fmov @r15+,fr4
|
|
fmov @r15+,fr3
|
|
fmov @r15+,fr2
|
|
fmov @r15+,fr1
|
|
fmov @r15+,fr0
|
|
lds.l @r15+,fpscr
|
|
lds.l @r15+,fpul
|
|
#endif /* __SH_FPU_ANY__ */
|
|
lds.l @r15+,macl
|
|
lds.l @r15+,mach
|
|
lds.l @r15+,pr
|
|
mov.l @r15+,r7
|
|
mov.l @r15+,r6
|
|
mov.l @r15+,r5
|
|
mov.l @r15+,r4
|
|
mov.l @r15+,r3
|
|
mov.l @r15+,r2
|
|
mov.l @r15+,r1
|
|
mov.l @r15+,r0
|
|
stc sgr, r15 ! Restore r15, destroyed by this sequence.
|
|
rte
|
|
nop
|
|
#if defined(__SH_FPU_ANY__)
|
|
.balign 4
|
|
pervading_precision_k:
|
|
#define CONCAT1(A,B) A##B
|
|
#define CONCAT(A,B) CONCAT1(A,B)
|
|
.long CONCAT(__USER_LABEL_PREFIX__,__fpscr_values)+4
|
|
#endif
|
|
#else
|
|
mov.l 2f, r0 ! Load the old vbr setting (if any).
|
|
mov.l @r0, r0
|
|
cmp/eq #0, r0
|
|
! no previous vbr - jump to own handler
|
|
bt chandler
|
|
! there was a previous handler - chain them
|
|
rotcr r0
|
|
rotcr r0
|
|
add #0x7f, r0 ! 0x1fc
|
|
add #0x7f, r0 ! 0x3f8
|
|
add #0x7f, r0 ! 0x5f4
|
|
add #0x03, r0 ! 0x600
|
|
rotcl r0
|
|
rotcl r0 ! Add 0x600 without corrupting another register
|
|
jmp @r0
|
|
nop
|
|
.balign 4
|
|
2:
|
|
.long old_vbr
|
|
#endif /* PROFILE code */
|
|
chandler:
|
|
mov.l expevt_k, r4
|
|
mov.l @r4, r4 ! r4 is value of expevt hence making this the return code
|
|
mov.l handler_exit_k,r0
|
|
jsr @r0
|
|
nop
|
|
! We should never return from _exit but in case we do we would enter the
|
|
! the following tight loop
|
|
limbo:
|
|
bra limbo
|
|
nop
|
|
.balign 4
|
|
#ifdef PROFILE
|
|
interrupt_stack_k:
|
|
.long __timer_stack ! The high end of the stack
|
|
timer_handler_k:
|
|
.long __profil_counter
|
|
#endif
|
|
expevt_k:
|
|
.long 0xff000024 ! Address of expevt
|
|
chandler_k:
|
|
.long chandler
|
|
superh_trap_handler_k:
|
|
.long __superh_trap_handler
|
|
handler_exit_k:
|
|
.long _exit
|
|
.align 2
|
|
! Simulated compile of trap handler.
|
|
.section .debug_abbrev,"",@progbits
|
|
.Ldebug_abbrev0:
|
|
.section .debug_info,"",@progbits
|
|
.Ldebug_info0:
|
|
.section .debug_line,"",@progbits
|
|
.Ldebug_line0:
|
|
.text
|
|
.Ltext0:
|
|
.align 5
|
|
.type __superh_trap_handler,@function
|
|
__superh_trap_handler:
|
|
.LFB1:
|
|
mov.l r14,@-r15
|
|
.LCFI0:
|
|
add #-4,r15
|
|
.LCFI1:
|
|
mov r15,r14
|
|
.LCFI2:
|
|
mov.l r4,@r14
|
|
lds r1, pr
|
|
add #4,r14
|
|
mov r14,r15
|
|
mov.l @r15+,r14
|
|
rts
|
|
nop
|
|
.LFE1:
|
|
.Lfe1:
|
|
.size __superh_trap_handler,.Lfe1-__superh_trap_handler
|
|
.section .debug_frame,"",@progbits
|
|
.Lframe0:
|
|
.ualong .LECIE0-.LSCIE0
|
|
.LSCIE0:
|
|
.ualong 0xffffffff
|
|
.byte 0x1
|
|
.string ""
|
|
.uleb128 0x1
|
|
.sleb128 -4
|
|
.byte 0x11
|
|
.byte 0xc
|
|
.uleb128 0xf
|
|
.uleb128 0x0
|
|
.align 2
|
|
.LECIE0:
|
|
.LSFDE0:
|
|
.ualong .LEFDE0-.LASFDE0
|
|
.LASFDE0:
|
|
.ualong .Lframe0
|
|
.ualong .LFB1
|
|
.ualong .LFE1-.LFB1
|
|
.byte 0x4
|
|
.ualong .LCFI0-.LFB1
|
|
.byte 0xe
|
|
.uleb128 0x4
|
|
.byte 0x4
|
|
.ualong .LCFI1-.LCFI0
|
|
.byte 0xe
|
|
.uleb128 0x8
|
|
.byte 0x8e
|
|
.uleb128 0x1
|
|
.byte 0x4
|
|
.ualong .LCFI2-.LCFI1
|
|
.byte 0xd
|
|
.uleb128 0xe
|
|
.align 2
|
|
.LEFDE0:
|
|
.text
|
|
.Letext0:
|
|
.section .debug_info
|
|
.ualong 0xb3
|
|
.uaword 0x2
|
|
.ualong .Ldebug_abbrev0
|
|
.byte 0x4
|
|
.uleb128 0x1
|
|
.ualong .Ldebug_line0
|
|
.ualong .Letext0
|
|
.ualong .Ltext0
|
|
.string "trap_handler.c"
|
|
.string "xxxxxxxxxxxxxxxxxxxxxxxxxxxx"
|
|
.string "GNU C 3.2 20020529 (experimental)"
|
|
.byte 0x1
|
|
.uleb128 0x2
|
|
.ualong 0xa6
|
|
.byte 0x1
|
|
.string "_superh_trap_handler"
|
|
.byte 0x1
|
|
.byte 0x2
|
|
.byte 0x1
|
|
.ualong .LFB1
|
|
.ualong .LFE1
|
|
.byte 0x1
|
|
.byte 0x5e
|
|
.uleb128 0x3
|
|
.string "trap_reason"
|
|
.byte 0x1
|
|
.byte 0x1
|
|
.ualong 0xa6
|
|
.byte 0x2
|
|
.byte 0x91
|
|
.sleb128 0
|
|
.byte 0x0
|
|
.uleb128 0x4
|
|
.string "unsigned int"
|
|
.byte 0x4
|
|
.byte 0x7
|
|
.byte 0x0
|
|
.section .debug_abbrev
|
|
.uleb128 0x1
|
|
.uleb128 0x11
|
|
.byte 0x1
|
|
.uleb128 0x10
|
|
.uleb128 0x6
|
|
.uleb128 0x12
|
|
.uleb128 0x1
|
|
.uleb128 0x11
|
|
.uleb128 0x1
|
|
.uleb128 0x3
|
|
.uleb128 0x8
|
|
.uleb128 0x1b
|
|
.uleb128 0x8
|
|
.uleb128 0x25
|
|
.uleb128 0x8
|
|
.uleb128 0x13
|
|
.uleb128 0xb
|
|
.byte 0x0
|
|
.byte 0x0
|
|
.uleb128 0x2
|
|
.uleb128 0x2e
|
|
.byte 0x1
|
|
.uleb128 0x1
|
|
.uleb128 0x13
|
|
.uleb128 0x3f
|
|
.uleb128 0xc
|
|
.uleb128 0x3
|
|
.uleb128 0x8
|
|
.uleb128 0x3a
|
|
.uleb128 0xb
|
|
.uleb128 0x3b
|
|
.uleb128 0xb
|
|
.uleb128 0x27
|
|
.uleb128 0xc
|
|
.uleb128 0x11
|
|
.uleb128 0x1
|
|
.uleb128 0x12
|
|
.uleb128 0x1
|
|
.uleb128 0x40
|
|
.uleb128 0xa
|
|
.byte 0x0
|
|
.byte 0x0
|
|
.uleb128 0x3
|
|
.uleb128 0x5
|
|
.byte 0x0
|
|
.uleb128 0x3
|
|
.uleb128 0x8
|
|
.uleb128 0x3a
|
|
.uleb128 0xb
|
|
.uleb128 0x3b
|
|
.uleb128 0xb
|
|
.uleb128 0x49
|
|
.uleb128 0x13
|
|
.uleb128 0x2
|
|
.uleb128 0xa
|
|
.byte 0x0
|
|
.byte 0x0
|
|
.uleb128 0x4
|
|
.uleb128 0x24
|
|
.byte 0x0
|
|
.uleb128 0x3
|
|
.uleb128 0x8
|
|
.uleb128 0xb
|
|
.uleb128 0xb
|
|
.uleb128 0x3e
|
|
.uleb128 0xb
|
|
.byte 0x0
|
|
.byte 0x0
|
|
.byte 0x0
|
|
.section .debug_pubnames,"",@progbits
|
|
.ualong 0x27
|
|
.uaword 0x2
|
|
.ualong .Ldebug_info0
|
|
.ualong 0xb7
|
|
.ualong 0x67
|
|
.string "_superh_trap_handler"
|
|
.ualong 0x0
|
|
.section .debug_aranges,"",@progbits
|
|
.ualong 0x1c
|
|
.uaword 0x2
|
|
.ualong .Ldebug_info0
|
|
.byte 0x4
|
|
.byte 0x0
|
|
.uaword 0x0
|
|
.uaword 0x0
|
|
.ualong .Ltext0
|
|
.ualong .Letext0-.Ltext0
|
|
.ualong 0x0
|
|
.ualong 0x0
|
|
#endif /* VBR_SETUP */
|
|
#endif /* ! __SH5__ */
|