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dc9b124d66
Summary: The Freescale e500v2 PowerPC core does not use a standard FPU. Instead, it uses a Signal Processing Engine (SPE)--a DSP-style vector processor unit, which doubles as a FPU. The PowerPC SPE ABI is incompatible with the stock powerpc ABI, so a new MACHINE_ARCH was created to deal with this. Additionaly, the SPE opcodes overlap with Altivec, so these are mutually exclusive. Taking advantage of this fact, a new file, powerpc/booke/spe.c, was created with the same function set as in powerpc/powerpc/altivec.c, so it becomes effectively a drop-in replacement. setjmp/longjmp were modified to save the upper 32-bits of the now-64-bit GPRs (upper 32-bits are only accessible by the SPE). Note: This does _not_ support the SPE in the e500v1, as the e500v1 SPE does not support double-precision floating point. Also, without a new MACHINE_ARCH it would be impossible to provide binary packages which utilize the SPE. Additionally, no work has been done to support ports, work is needed for this. This also means no newer gcc can yet be used. However, gcc's powerpc support has been refactored which would make adding a powerpcspe-freebsd target very easy. Test Plan: This was lightly tested on a RouterBoard RB800 and an AmigaOne A1222 (P1022-based) board, compiled against the new ABI. Base system utilities (/bin/sh, /bin/ls, etc) still function appropriately, the system is able to boot multiuser. Reviewed By: bdrewery, imp Relnotes: yes Differential Revision: https://reviews.freebsd.org/D5683
328 lines
7.6 KiB
Makefile
328 lines
7.6 KiB
Makefile
# from: @(#)sys.mk 8.2 (Berkeley) 3/21/94
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# $FreeBSD$
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unix ?= We run FreeBSD, not UNIX.
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.FreeBSD ?= true
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.if !defined(%POSIX)
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#
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# MACHINE_CPUARCH defines a collection of MACHINE_ARCH. Machines with
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# the same MACHINE_ARCH can run each other's binaries, so it necessarily
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# has word size and endian swizzled in. However, support files for
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# these machines often are shared amongst all combinations of size
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# and/or endian. This is called MACHINE_CPU in NetBSD, but that's used
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# for something different in FreeBSD.
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#
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MACHINE_CPUARCH=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb|hf)?/arm/:C/powerpc(64|spe)/powerpc/:C/riscv64/riscv/}
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.endif
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# Some options we need now
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__DEFAULT_NO_OPTIONS= \
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DIRDEPS_BUILD \
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DIRDEPS_CACHE
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__DEFAULT_DEPENDENT_OPTIONS= \
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AUTO_OBJ/DIRDEPS_BUILD \
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META_MODE/DIRDEPS_BUILD \
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STAGING/DIRDEPS_BUILD \
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SYSROOT/DIRDEPS_BUILD
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__ENV_ONLY_OPTIONS:= \
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${__DEFAULT_NO_OPTIONS} \
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${__DEFAULT_YES_OPTIONS} \
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${__DEFAULT_DEPENDENT_OPTIONS:H}
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# early include for customization
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# see local.sys.mk below
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# Not included when building in fmake compatibility mode (still needed
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# for older system support)
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.if defined(.PARSEDIR)
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.sinclude <local.sys.env.mk>
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.include <bsd.mkopt.mk>
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# Disable MK_META_MODE with make -B
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.if ${MK_META_MODE} == "yes" && defined(.MAKEFLAGS) && ${.MAKEFLAGS:M-B}
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MK_META_MODE= no
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.endif
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.if ${MK_DIRDEPS_BUILD} == "yes"
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.sinclude <meta.sys.mk>
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.elif ${MK_META_MODE} == "yes"
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# verbose will show .MAKE.META.PREFIX for each target.
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META_MODE+= meta verbose
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.if !defined(NO_META_MISSING)
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META_MODE+= missing-meta=yes
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.endif
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# silent will hide command output if a .meta file is created.
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.if !defined(NO_SILENT)
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META_MODE+= silent=yes
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.endif
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.if !exists(/dev/filemon)
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META_MODE+= nofilemon
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.endif
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# Require filemon data with bmake
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.if empty(META_MODE:Mnofilemon)
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META_MODE+= missing-filemon=yes
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.endif
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.endif
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META_MODE?= normal
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.export META_MODE
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.MAKE.MODE?= ${META_MODE}
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.if !empty(.MAKE.MODE:Mmeta) && !defined(NO_META_IGNORE_HOST)
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# Ignore host file changes that will otherwise cause
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# buildworld -> installworld -> buildworld to rebuild everything.
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# Since the build is self-reliant and bootstraps everything it needs,
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# this should not be a real problem for incremental builds.
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# XXX: This relies on the existing host tools retaining ABI compatibility
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# through upgrades since they won't be rebuilt on header/library changes.
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# Note that these are prefix matching, so /lib matches /libexec.
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.MAKE.META.IGNORE_PATHS+= \
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${__MAKE_SHELL} \
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/bin \
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/lib \
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/rescue \
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/sbin \
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/usr/bin \
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/usr/include \
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/usr/lib \
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/usr/sbin \
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/usr/share \
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.endif
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.if ${MK_AUTO_OBJ} == "yes"
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# This needs to be done early - before .PATH is computed
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# Don't do this for 'make showconfig' as it enables all options where meta mode
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# is not expected.
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.if !make(showconfig) && !make(print-dir)
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.sinclude <auto.obj.mk>
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.endif
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.endif
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.else # bmake
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.include <bsd.mkopt.mk>
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.endif
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# If the special target .POSIX appears (without prerequisites or
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# commands) before the first noncomment line in the makefile, make shall
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# process the makefile as specified by the Posix 1003.2 specification.
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# make(1) sets the special macro %POSIX in this case (to the actual
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# value "1003.2", for what it's worth).
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#
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# The rules below use this macro to distinguish between Posix-compliant
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# and default behaviour.
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#
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# This functionality is currently broken, since make(1) processes sys.mk
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# before reading any other files, and consequently has no opportunity to
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# set the %POSIX macro before we read this point.
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.if defined(%POSIX)
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.SUFFIXES: .o .c .y .l .a .sh .f
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.else
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.SUFFIXES: .out .a .ln .o .bco .llo .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
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.endif
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AR ?= ar
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.if defined(%POSIX)
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ARFLAGS ?= -rv
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.else
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ARFLAGS ?= -crD
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.endif
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RANLIB ?= ranlib
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.if !defined(%POSIX)
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RANLIBFLAGS ?= -D
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.endif
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AS ?= as
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AFLAGS ?=
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ACFLAGS ?=
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.if defined(%POSIX)
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CC ?= c89
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CFLAGS ?= -O
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.else
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CC ?= cc
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.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
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CFLAGS ?= -O -pipe
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.else
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CFLAGS ?= -O2 -pipe
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.endif
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.if defined(NO_STRICT_ALIASING)
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CFLAGS += -fno-strict-aliasing
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.endif
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.endif
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IR_CFLAGS ?= ${STATIC_CFLAGS:N-O*} ${CFLAGS:N-O*}
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PO_CFLAGS ?= ${CFLAGS}
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# cp(1) is used to copy source files to ${.OBJDIR}, make sure it can handle
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# read-only files as non-root by passing -f.
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CP ?= cp -f
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CPP ?= cpp
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# C Type Format data is required for DTrace
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CTFFLAGS ?= -L VERSION
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CTFCONVERT ?= ctfconvert
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CTFMERGE ?= ctfmerge
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.if defined(CFLAGS) && (${CFLAGS:M-g} != "")
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CTFFLAGS += -g
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.endif
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CXX ?= c++
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CXXFLAGS ?= ${CFLAGS:N-std=*:N-Wnested-externs:N-W*-prototypes:N-Wno-pointer-sign:N-Wold-style-definition}
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IR_CXXFLAGS ?= ${STATIC_CXXFLAGS:N-O*} ${CXXFLAGS:N-O*}
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PO_CXXFLAGS ?= ${CXXFLAGS}
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DTRACE ?= dtrace
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DTRACEFLAGS ?= -C -x nolibs
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.if empty(.MAKEFLAGS:M-s)
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ECHO ?= echo
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ECHODIR ?= echo
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.else
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ECHO ?= true
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.if ${.MAKEFLAGS:M-s} == "-s"
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ECHODIR ?= echo
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.else
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ECHODIR ?= true
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.endif
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.endif
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.if ${.MAKEFLAGS:M-N}
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# bmake -N is supposed to skip executing anything but it does not skip
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# exeucting '+' commands. The '+' feature is used where .MAKE
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# is not safe for the entire target. -N is intended to skip building sub-makes
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# so it executing '+' commands is not right. Work around the bug by not
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# setting '+' when -N is used.
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_+_ ?=
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.else
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_+_ ?= +
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.endif
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.if defined(%POSIX)
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FC ?= fort77
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FFLAGS ?= -O 1
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.else
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FC ?= f77
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FFLAGS ?= -O
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.endif
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EFLAGS ?=
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INSTALL ?= install
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LEX ?= lex
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LFLAGS ?=
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LD ?= ld
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LDFLAGS ?= # LDFLAGS is for CC,
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_LDFLAGS = ${LDFLAGS:S/-Wl,//g} # strip -Wl, for LD
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LINT ?= lint
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LINTFLAGS ?= -cghapbx
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LINTKERNFLAGS ?= ${LINTFLAGS}
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LINTOBJFLAGS ?= -cghapbxu -i
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LINTOBJKERNFLAGS?= ${LINTOBJFLAGS}
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LINTLIBFLAGS ?= -cghapbxu -C ${LIB}
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MAKE ?= make
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.if !defined(%POSIX)
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LORDER ?= lorder
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NM ?= nm
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NMFLAGS ?=
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OBJC ?= cc
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OBJCFLAGS ?= ${OBJCINCLUDES} ${CFLAGS} -Wno-import
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OBJCOPY ?= objcopy
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PC ?= pc
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PFLAGS ?=
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RC ?= f77
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RFLAGS ?=
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TSORT ?= tsort
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TSORTFLAGS ?= -q
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.endif
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SHELL ?= sh
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.if !defined(%POSIX)
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SIZE ?= size
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.endif
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YACC ?= yacc
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.if defined(%POSIX)
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YFLAGS ?=
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.else
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YFLAGS ?= -d
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.endif
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.if defined(%POSIX)
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.include "bsd.suffixes-posix.mk"
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.else
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# non-Posix rule set
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.include "bsd.suffixes.mk"
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# Pull in global settings.
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__MAKE_CONF?=/etc/make.conf
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.if exists(${__MAKE_CONF})
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.include "${__MAKE_CONF}"
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.endif
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# late include for customization
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.sinclude <local.sys.mk>
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.if defined(META_MODE)
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META_MODE:= ${META_MODE:O:u}
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.endif
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.if defined(__MAKE_SHELL) && !empty(__MAKE_SHELL)
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SHELL= ${__MAKE_SHELL}
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.SHELL: path=${__MAKE_SHELL}
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.endif
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# Tell bmake to expand -V VAR by default
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.MAKE.EXPAND_VARIABLES= yes
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# Tell bmake the makefile preference
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.MAKE.MAKEFILE_PREFERENCE= BSDmakefile makefile Makefile
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# Tell bmake to always pass job tokens, regardless of target depending on
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# .MAKE or looking like ${MAKE}/${.MAKE}/$(MAKE)/$(.MAKE)/make.
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.MAKE.ALWAYS_PASS_JOB_QUEUE= yes
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# By default bmake does *not* use set -e
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# when running target scripts, this is a problem for many makefiles here.
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# So define a shell that will do what FreeBSD expects.
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.ifndef WITHOUT_SHELL_ERRCTL
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__MAKE_SHELL?=/bin/sh
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.SHELL: name=sh \
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quiet="set -" echo="set -v" filter="set -" \
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hasErrCtl=yes check="set -e" ignore="set +e" \
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echoFlag=v errFlag=e \
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path=${__MAKE_SHELL}
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.endif
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# Hack for ports compatibility. Historically, ports makefiles have
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# assumed they can examine MACHINE_CPU without including anything
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# because this was automatically included in sys.mk. For /usr/src,
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# this file has moved to being included from bsd.opts.mk. Until all
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# the ports files are modernized, and a reasonable transition
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# period has passed, include it while we're in a ports tree here
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# to preserve historic behavior.
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.if exists(${.CURDIR}/../../Mk/bsd.port.mk)
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.include <bsd.cpu.mk>
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.endif
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.endif # ! Posix
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