Makefile*: remove powerpcspe

As reported on the freebsd-announce mailing list[1] FreeBSD is
continuing to retire 32-bit support.  Remove powerpcspe from build
infrastructure.

[1] https://lists.freebsd.org/archives/freebsd-announce/2024-February/000117.html

Signed-off-by: Minsoo Choo <minsoochoo0122@proton.me>
Reviewed by:	jhibbits, emaste
Pull request:	https://github.com/freebsd/freebsd-src/pull/1914

Makefile

@@ -537,7 +537,7 @@ packages update-packages: .PHONY
 # Don't build rarely used, semi-supported architectures unless requested.
 #
 .if defined(EXTRA_TARGETS)
-EXTRA_ARCHES_powerpc=	powerpc powerpcspe
+EXTRA_ARCHES_powerpc=	powerpc
 .endif
 TARGETS?= ${TARGET_MACHINE_LIST}
 _UNIVERSE_TARGETS=	${TARGETS}

Makefile.inc1

@@ -151,7 +151,6 @@ KNOWN_ARCHES?=	aarch64/arm64 \
 		powerpc \
 		powerpc64/powerpc \
 		powerpc64le/powerpc \
-		powerpcspe/powerpc \
 		riscv64/riscv
 
 .if ${TARGET} == ${TARGET_ARCH}
@@ -1705,7 +1704,6 @@ KERNCONF=${KERNFAST}
 .endif
 GENERIC_KERNCONF_SUFX_powerpc64=	64
 GENERIC_KERNCONF_SUFX_powerpc64le=	64LE
-GENERIC_KERNCONF_powerpcspe=	MPC85XXSPE
 GENERIC_KERNCONF?=	${GENERIC_KERNCONF_${TARGET_ARCH}:UGENERIC${GENERIC_KERNCONF_SUFX_${TARGET_ARCH}}}
 INSTKERNNAME?=	kernel
 

cddl/lib/libzpool/Makefile

@@ -21,7 +21,7 @@ ACFLAGS+=	-Wa,--noexecstack
 ATOMIC_SRCS=	opensolaris_atomic.c
 .endif
 
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpcspe"
+.if ${MACHINE_ARCH} == "powerpc"
 # Don't waste GOT entries on small data.
 PICFLAG=	-fPIC
 .endif

include/Makefile

@@ -318,7 +318,7 @@ LSUBDIRS+=	dev/vmm
 .endif
 .endif
 
-.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} != "powerpcspe"
+.if ${MACHINE_CPUARCH} == "powerpc"
 _dev_powermac_nvram=	dev/powermac_nvram
 .endif
 

libexec/rtld-elf/rtld-libc/Makefile.inc

@@ -69,7 +69,7 @@ _libc_other_objects+=aeabi_unwind_cpp
 .elif ${LIBC_ARCH} == "i386"
 # i386 needs i386_set_gsbase for allocate_initial_tls()
 _libsys_other_objects+=i386_set_gsbase
-.elif ${LIBC_ARCH} == "powerpc" || ${LIBC_ARCH} == "powerpcspe"
+.elif ${LIBC_ARCH} == "powerpc"
 # ppc needs __syncicache and abs for reloc.c
 _libc_other_objects+=syncicache abs
 .elif ${LIBC_ARCH} == "powerpc64"

share/mk/bsd.cpu.mk

@@ -323,15 +323,10 @@ CFLAGS += -mfloat-abi=softfp
 . endif
 .endif
 
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpcspe"
+.if ${MACHINE_ARCH} == "powerpc"
 LDFLAGS.bfd+= -Wl,--secure-plt
 .endif
 
-.if ${MACHINE_ARCH} == "powerpcspe"
-CFLAGS += -mcpu=8548 -mspe
-CFLAGS.gcc+= -mabi=spe -mfloat-gprs=double -Wa,-me500
-.endif
-
 .if ${MACHINE_CPUARCH} == "riscv"
 CFLAGS += -march=rv64imafdc -mabi=lp64d
 .endif

share/mk/bsd.endian.mk

@@ -9,8 +9,7 @@ TARGET_ENDIANNESS= 1234
 CAP_MKDB_ENDIAN= -l
 LOCALEDEF_ENDIAN= -l
 .elif ${MACHINE_ARCH} == "powerpc" || \
-    ${MACHINE_ARCH} == "powerpc64" || \
-    ${MACHINE_ARCH} == "powerpcspe"
+    ${MACHINE_ARCH} == "powerpc64"
 TARGET_ENDIANNESS= 4321
 CAP_MKDB_ENDIAN= -b
 LOCALEDEF_ENDIAN= -b

share/mk/bsd.opts.mk

@@ -99,8 +99,7 @@ __DEFAULT_DEPENDENT_OPTIONS = \
 # some memory-hungry workloads.
 #
 .if ${MACHINE_ARCH} == "armv7" \
-    || ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc" \
-    || ${MACHINE_ARCH} == "powerpcspe"
+    || ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc"
 __DEFAULT_NO_OPTIONS+= PIE
 .else
 __DEFAULT_YES_OPTIONS+=PIE

stand/defs.mk

@@ -157,11 +157,6 @@ CFLAGS.gcc+=	-mcmodel=medany
 CFLAGS+=	-msoft-float
 .endif
 
-# -msoft-float seems to be insufficient for powerpcspe
-.if ${MACHINE_ARCH} == "powerpcspe"
-CFLAGS+=	-mno-spe
-.endif
-
 .if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
 CFLAGS+=	-march=i386
 CFLAGS.gcc+=	-mpreferred-stack-boundary=2

sys/conf/Makefile.powerpc

@@ -32,11 +32,6 @@ LDSCRIPT_NAME?= ldscript.${MACHINE_ARCH}
 
 INCLUDES+= -I$S/contrib/libfdt
 
-.if "${MACHINE_ARCH}" == "powerpcspe"
-# Force __SPE__, since the builtin will be removed later with -mno-spe
-CFLAGS.gcc+= -mabi=spe -D__SPE__
-CFLAGS.clang+= -mspe -D__SPE__ -m32
-.endif
 CFLAGS+= -msoft-float
 CFLAGS.gcc+= -Wa,-many
 

sys/conf/kern.mk

@@ -205,10 +205,6 @@ CFLAGS+=	-mno-altivec -msoft-float
 INLINE_LIMIT?=	15000
 .endif
 
-.if ${MACHINE_ARCH} == "powerpcspe"
-CFLAGS.gcc+=	-mno-spe
-.endif
-
 #
 # Use dot symbols (or, better, the V2 ELF ABI) on powerpc64 to make
 # DDB happy. ELFv2, if available, has some other efficiency benefits.
@@ -407,7 +403,6 @@ LD_EMULATION_arm=armelf_fbsd
 LD_EMULATION_armv7=armelf_fbsd
 LD_EMULATION_i386=elf_i386_fbsd
 LD_EMULATION_powerpc= elf32ppc_fbsd
-LD_EMULATION_powerpcspe= elf32ppc_fbsd
 LD_EMULATION_powerpc64= elf64ppc_fbsd
 LD_EMULATION_powerpc64le= elf64lppc_fbsd
 LD_EMULATION_riscv64= elf64lriscv

sys/conf/kern.pre.mk

@@ -223,7 +223,7 @@ ZFS_CFLAGS+= -D__x86_64 -DHAVE_SSE2 -DHAVE_SSSE3 -DHAVE_SSE4_1 -DHAVE_SSE4_2 \
 .endif
 
 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc" || \
-	${MACHINE_ARCH} == "powerpcspe" || ${MACHINE_ARCH} == "arm"
+	${MACHINE_ARCH} == "arm"
 ZFS_CFLAGS+= -DBITS_PER_LONG=32
 .else
 ZFS_CFLAGS+= -DBITS_PER_LONG=64

sys/modules/Makefile

@@ -651,8 +651,7 @@ _rtwnfw=	rtwnfw
 .endif
 
 .if ${MK_SOURCELESS_UCODE} != "no" && ${MACHINE_CPUARCH} != "arm" && \
-	${MACHINE_ARCH} != "powerpc" && ${MACHINE_ARCH} != "powerpcspe" && \
-	${MACHINE_CPUARCH} != "riscv"
+	${MACHINE_ARCH} != "powerpc" && ${MACHINE_CPUARCH} != "riscv"
 _cxgbe=		cxgbe
 .endif
 
@@ -693,7 +692,7 @@ _sdhci_fdt=	sdhci_fdt
 .endif
 
 # These rely on 64bit atomics
-.if ${MACHINE_ARCH} != "powerpc" && ${MACHINE_ARCH} != "powerpcspe"
+.if ${MACHINE_ARCH} != "powerpc"
 _mps=		mps
 _mpr=		mpr
 .endif
@@ -922,8 +921,7 @@ _ixl=		ixl
 _nvram=		opal_nvram
 .endif
 
-.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} != "powerpcspe"
-# Don't build powermac_nvram for powerpcspe, it's never supported.
+.if ${MACHINE_CPUARCH} == "powerpc"
 _nvram+=	powermac_nvram
 .endif
 

sys/modules/zfs/Makefile

@@ -45,7 +45,7 @@ CFLAGS+= -D__x86_64 -DHAVE_SSE2 -DHAVE_SSSE3 -DHAVE_SSE4_1 -DHAVE_SSE4_2 \
 .endif
 
 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc" || \
-	${MACHINE_ARCH} == "powerpcspe" || ${MACHINE_ARCH} == "arm"
+	${MACHINE_ARCH} == "arm"
 CFLAGS+= -DBITS_PER_LONG=32
 .else
 CFLAGS+= -DBITS_PER_LONG=64
@@ -175,7 +175,7 @@ SRCS+=	acl_common.c \
 
 
 .if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc" || \
-	${MACHINE_ARCH} == "powerpcspe" || ${MACHINE_ARCH} == "arm"
+	${MACHINE_ARCH} == "arm"
 SRCS+= spl_atomic.c
 .endif
 

tests/sys/kern/Makefile

@@ -9,8 +9,7 @@ TESTSDIR=	${TESTSBASE}/sys/kern
 
 ATF_TESTS_C+=	basic_signal
 ATF_TESTS_C+=	copy_file_range
-.if ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH} != "powerpc" && \
-	${MACHINE_ARCH} != "powerpcspe"
+.if ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH} != "powerpc"
 # No support for atomic_load_64 on i386 or (32-bit) powerpc
 ATF_TESTS_C+=	kcov
 .endif

usr.sbin/Makefile.powerpc

@@ -1,3 +1 @@
-.if ${MACHINE_ARCH} != "powerpcspe"
 SUBDIR+=	nvram
-.endif