minix/tools/Makefile

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Makefile
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# Makefile for the kernel image.
Build NetBSD libc library in world in ELF mode. 3 sets of libraries are built now: . ack: all libraries that ack can compile (/usr/lib/i386/) . clang+elf: all libraries with minix headers (/usr/lib/) . clang+elf: all libraries with netbsd headers (/usr/netbsd/) Once everything can be compiled with netbsd libraries and headers, the /usr/netbsd hierarchy will be obsolete and its libraries compiled with netbsd headers will be installed in /usr/lib, and its headers in /usr/include. (i.e. minix libc and current minix headers set will be gone.) To use the NetBSD libc system (libraries + headers) before it is the default libc, see: http://wiki.minix3.org/en/DevelopersGuide/UsingNetBSDCode This wiki page also documents the maintenance of the patch files of minix-specific changes to imported NetBSD code. Changes in this commit: . libsys: Add NBSD compilation and create a safe NBSD-based libc. . Port rest of libraries (except libddekit) to new header system. . Enable compilation of libddekit with new headers. . Enable kernel compilation with new headers. . Enable drivers compilation with new headers. . Port legacy commands to new headers and libc. . Port servers to new headers. . Add <sys/sigcontext.h> in compat library. . Remove dependency file in tree. . Enable compilation of common/lib/libc/atomic in libsys . Do not generate RCSID strings in libc. . Temporarily disable zoneinfo as they are incompatible with NetBSD format . obj-nbsd for .gitignore . Procfs: use only integer arithmetic. (Antoine Leca) . Increase ramdisk size to create NBSD-based images. . Remove INCSYMLINKS handling hack. . Add nbsd_include/sys/exec_elf.h . Enable ELF compilation with NBSD libc. . Add 'make nbsdsrc' in tools to download reference NetBSD sources. . Automate minix-port.patch creation. . Avoid using fstavfs() as it is *extremely* slow and unneeded. . Set err() as PRIVATE to avoid name clash with libc. . [NBSD] servers/vm: remove compilation warnings. . u32 is not a long in NBSD headers. . UPDATING info on netbsd hierarchy . commands fixes for netbsd libc
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.include <bsd.own.mk>
.include "nbsd.config"
.include <bsd.own.mk>
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u=/usr
MDEC= /usr/mdec
GEN_FILES= *.bak image kernel *.iso *.iso.gz cdfdimage rootimage src
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# Specify the programs that are part of the system image.
KERNEL= kernel
PROGRAMS= \
../servers/ds/ds \
../servers/rs/rs \
../servers/pm/pm \
Scheduling server (by Bjorn Swift) In this second phase, scheduling is moved from PM to its own scheduler (see r6557 for phase one). In the next phase we hope to a) include useful information in the "out of quantum" message and b) create some simple scheduling policy that makes use of that information. When the system starts up, PM will iterate over its process table and ask SCHED to take over scheduling unprivileged processes. This is done by sending a SCHEDULING_START message to SCHED. This message includes the processes endpoint, the parent's endpoint and its nice level. The scheduler adds this process to its schedproc table, issues a schedctl, and returns its own endpoint to PM - as the endpoint of the effective scheduler. When a process terminates, a SCHEDULING_STOP message is sent to the scheduler. The reason for this effective endpoint is for future compatibility. Some day, we may have a scheduler that, instead of scheduling the process itself, forwards the SCHEDULING_START message on to another scheduler. PM has information on who schedules whom. As such, scheduling messages from user-land are sent through PM. An example is when processes change their priority, using nice(). In that case, a getsetpriority message is sent to PM, which then sends a SCHEDULING_SET_NICE to the process's effective scheduler. When a process is forked through PM, it inherits its parent's scheduler, but is spawned with an empty quantum. As before, a request to fork a process flows through VM before returning to PM, which then wakes up the child process. This flow has been modified slightly so that PM notifies the scheduler of the new process, before waking up the child process. If the scheduler fails to take over scheduling, the child process is torn down and the fork fails with an erroneous value. Process priority is entirely decided upon using nice levels. PM stores a copy of each process's nice level and when a child is forked, its parent's nice level is sent in the SCHEDULING_START message. How this level is mapped to a priority queue is up to the scheduler. It should be noted that the nice level is used to determine the max_priority and the parent could have been in a lower priority when it was spawned. To prevent a CPU intensive process from hawking the CPU by continuously forking children that get scheduled in the max_priority, the scheduler should determine in which queue the parent is currently scheduled, and schedule the child in that same queue. Other fixes: The USER_Q in kernel/proc.h was incorrectly defined as NR_SCHED_QUEUES/2. That results in a "off by one" error when converting priority->nice->priority for nice=0. This also had the side effect that if someone were to set the MAX_USER_Q to something else than 0, then USER_Q would be off.
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../servers/sched/sched \
../servers/vfs/vfs \
../drivers/memory/memory \
../drivers/log/log \
IPC privileges fixes Kernel: o Remove s_ipc_sendrec, instead using s_ipc_to for all send primitives o Centralize s_ipc_to bit manipulation, - disallowing assignment of bits pointing to unused priv structs; - preventing send-to-self by not setting bit for own priv struct; - preserving send mask matrix symmetry in all cases o Add IPC send mask checks to SENDA, which were missing entirely somehow o Slightly improve IPC stats accounting for SENDA o Remove SYSTEM from user processes' send mask o Half-fix the dependency between boot image order and process numbers, - correcting the table order of the boot processes; - documenting the order requirement needed for proper send masks; - warning at boot time if the order is violated RS: o Add support in /etc/drivers.conf for servers that talk to user processes, - disallowing IPC to user processes if no "ipc" field is present - adding a special "USER" label to explicitly allow IPC to user processes o Always apply IPC masks when specified; remove -i flag from service(8) o Use kernel send mask symmetry to delay adding IPC permissions for labels that do not exist yet, adding them to that label's process upon creation o Add VM to ipc permissions list for rtl8139 and fxp in drivers.conf Left to future fixes: o Removal of the table order vs process numbers dependency altogether, possibly using per-process send list structures as used for SYSTEM calls o Proper assignment of send masks to boot processes; some of the assigned (~0) masks are much wider than necessary o Proper assignment of IPC send masks for many more servers in drivers.conf o Removal of the debugging warning about the now legitimate case where RS's add_forward_ipc cannot find the IPC destination's label yet
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../drivers/tty/tty \
../servers/mfs/mfs \
../servers/vm/vm \
../servers/pfs/pfs \
../servers/init/init
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usage:
@echo " " >&2
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@echo "Master Makefile to create new MINIX configuration." >& 2
@echo "Root privileges are required." >&2
@echo " " >&2
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@echo "Usage:" >&2
@echo " make includes # Install include files" >&2
@echo " make depend # Generate dependency files" >&2
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@echo " make libraries # Make system libraries" >&2
@echo " make services # Compile and install all services" >&2
@echo " make image # Make needed services and create boot image" >&2
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@echo " make install # Make image, and install to hard disk" >&2
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@echo " make hdboot # Make image, and install to hard disk" >&2
@echo " make fdboot # Make image, and install to floppy disk" >&2
@echo " make bootable # Make hard disk bootable" >&2
Build NetBSD libc library in world in ELF mode. 3 sets of libraries are built now: . ack: all libraries that ack can compile (/usr/lib/i386/) . clang+elf: all libraries with minix headers (/usr/lib/) . clang+elf: all libraries with netbsd headers (/usr/netbsd/) Once everything can be compiled with netbsd libraries and headers, the /usr/netbsd hierarchy will be obsolete and its libraries compiled with netbsd headers will be installed in /usr/lib, and its headers in /usr/include. (i.e. minix libc and current minix headers set will be gone.) To use the NetBSD libc system (libraries + headers) before it is the default libc, see: http://wiki.minix3.org/en/DevelopersGuide/UsingNetBSDCode This wiki page also documents the maintenance of the patch files of minix-specific changes to imported NetBSD code. Changes in this commit: . libsys: Add NBSD compilation and create a safe NBSD-based libc. . Port rest of libraries (except libddekit) to new header system. . Enable compilation of libddekit with new headers. . Enable kernel compilation with new headers. . Enable drivers compilation with new headers. . Port legacy commands to new headers and libc. . Port servers to new headers. . Add <sys/sigcontext.h> in compat library. . Remove dependency file in tree. . Enable compilation of common/lib/libc/atomic in libsys . Do not generate RCSID strings in libc. . Temporarily disable zoneinfo as they are incompatible with NetBSD format . obj-nbsd for .gitignore . Procfs: use only integer arithmetic. (Antoine Leca) . Increase ramdisk size to create NBSD-based images. . Remove INCSYMLINKS handling hack. . Add nbsd_include/sys/exec_elf.h . Enable ELF compilation with NBSD libc. . Add 'make nbsdsrc' in tools to download reference NetBSD sources. . Automate minix-port.patch creation. . Avoid using fstavfs() as it is *extremely* slow and unneeded. . Set err() as PRIVATE to avoid name clash with libc. . [NBSD] servers/vm: remove compilation warnings. . u32 is not a long in NBSD headers. . UPDATING info on netbsd hierarchy . commands fixes for netbsd libc
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@echo " make nbsd_fetch # Download current NetBSD reference sources" >&2
@echo " make nbsd_diff # Update minix-port.patch in NetBSD sources" >&2
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@echo " make clean # Remove all compiler results, except libs" >&2
@echo " " >&2
@echo "To create a fresh MINIX configuration, try:" >&2
@echo " make clean install # new boot image" >&2
@echo " make fresh install # new everything" >&2
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@echo " " >&2
all: services image
# Pad the kernel text only if ACK compiler is used. padtext does not work for
# gnu-like compilers as they generate common I&D and a linker script can do the
# same in a nicer way
.if ${COMPILER_TYPE} == "gnu"
PAD_KERNEL_TEXT := cp ../kernel/kernel kernel
.else
PAD_KERNEL_TEXT := padtext ../kernel/kernel kernel
.endif
.if ${OBJECT_FMT} == "ELF"
image: includes services
${PAD_KERNEL_TEXT}
mkimage $(PROGRAMS)
cp ${KERNEL} ${PROGRAMS} /boot
strip ${KERNEL:T:S/^/\/boot\//} ${PROGRAMS:T:S/^/\/boot\//}
.else
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image: includes services
${PAD_KERNEL_TEXT}
installboot -image $@ $(KERNEL) $(PROGRAMS)
.endif
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# rebuild the program or system libraries
includes:
$(MAKE) -C .. includes
depend: includes .gitignore
$(MAKE) -C ../ depend
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.gitignore: Makefile
echo $(GEN_FILES) | tr ' ' '\n' >.gitignore
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services: includes kernel servers .WAIT drivers
kernel: includes
$(MAKE) -C ../kernel
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servers: includes
$(MAKE) -C ../servers all
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drivers: includes servers
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$(MAKE) -C ../drivers all install
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libraries: includes
cd ../lib && sh ack_build.sh clean obj depend all install
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# make bootable and place system images
bootable:
exec su root mkboot bootable
.if ${OBJECT_FMT} == "ELF"
hdboot: image
.else
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hdboot: image
exec sh mkboot $@
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@sync
.endif
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fdboot: image
exec su root mkboot $@
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@sync
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install: includes services hdboot
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Build NetBSD libc library in world in ELF mode. 3 sets of libraries are built now: . ack: all libraries that ack can compile (/usr/lib/i386/) . clang+elf: all libraries with minix headers (/usr/lib/) . clang+elf: all libraries with netbsd headers (/usr/netbsd/) Once everything can be compiled with netbsd libraries and headers, the /usr/netbsd hierarchy will be obsolete and its libraries compiled with netbsd headers will be installed in /usr/lib, and its headers in /usr/include. (i.e. minix libc and current minix headers set will be gone.) To use the NetBSD libc system (libraries + headers) before it is the default libc, see: http://wiki.minix3.org/en/DevelopersGuide/UsingNetBSDCode This wiki page also documents the maintenance of the patch files of minix-specific changes to imported NetBSD code. Changes in this commit: . libsys: Add NBSD compilation and create a safe NBSD-based libc. . Port rest of libraries (except libddekit) to new header system. . Enable compilation of libddekit with new headers. . Enable kernel compilation with new headers. . Enable drivers compilation with new headers. . Port legacy commands to new headers and libc. . Port servers to new headers. . Add <sys/sigcontext.h> in compat library. . Remove dependency file in tree. . Enable compilation of common/lib/libc/atomic in libsys . Do not generate RCSID strings in libc. . Temporarily disable zoneinfo as they are incompatible with NetBSD format . obj-nbsd for .gitignore . Procfs: use only integer arithmetic. (Antoine Leca) . Increase ramdisk size to create NBSD-based images. . Remove INCSYMLINKS handling hack. . Add nbsd_include/sys/exec_elf.h . Enable ELF compilation with NBSD libc. . Add 'make nbsdsrc' in tools to download reference NetBSD sources. . Automate minix-port.patch creation. . Avoid using fstavfs() as it is *extremely* slow and unneeded. . Set err() as PRIVATE to avoid name clash with libc. . [NBSD] servers/vm: remove compilation warnings. . u32 is not a long in NBSD headers. . UPDATING info on netbsd hierarchy . commands fixes for netbsd libc
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# download and update NetBSD reference sources.
nbsd_fetch:
cd ${MINIXSRCDIR} && awk '{print $$2;}' < tools/nbsd_ports \
| xargs -t cvs -d ${NBSD_CVSROOT} co -N -d nbsdsrc ${NBSD_REF}
nbsd_diff:
cd ${MINIXSRCDIR} && awk '{ system("sh tools/nbsd_diff.sh " \
"nbsdsrc/"$$2" "$$1" "$$1"/minix-port.patch");}' < tools/nbsd_ports
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# clean up compile results
clean:
$(MAKE) -C ../kernel $@
$(MAKE) -C ../servers $@
$(MAKE) -C ../drivers $@
rm -rf $(GEN_FILES)
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cleandepend::
$(MAKE) -C ../kernel $@
$(MAKE) -C ../servers $@
$(MAKE) -C ../drivers $@