336 lines
16 KiB
Makefile
336 lines
16 KiB
Makefile
CC := gcc
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LD := ld
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CFLAGS := -std=gnu11 -ffreestanding -nostdlib \
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-fno-stack-protector -fno-pic -fno-pie \
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-fno-asynchronous-unwind-tables \
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-mno-red-zone -mno-mmx -mno-sse -mno-sse2 \
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-mcmodel=kernel \
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-Wall -Wextra -Iinclude -MMD -MP -g -c
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ASFLAGS := -ffreestanding -Iinclude -g -c
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LDFLAGS := -nostdlib -z max-page-size=0x1000 --no-warn-rwx-segments -T linker.ld
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UCFLAGS := -std=gnu11 -ffreestanding -nostdlib \
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-fno-stack-protector -fno-pic -fno-pie \
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-fno-asynchronous-unwind-tables \
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-mno-red-zone -mno-mmx -mno-sse -mno-sse2 \
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-mcmodel=large \
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-Wall -Wextra -Iinclude -Iuser -MMD -MP -g -c
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UASFLAGS := -ffreestanding -Iinclude -Iuser -g -c
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ULDFLAGS := -z max-page-size=0x1000 --no-warn-rwx-segments -e _start -T user/user.ld
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BUILD := build
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SRC := src
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USER := user
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UBUILD := $(BUILD)/user
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COBJS := $(patsubst $(SRC)/%.c,$(BUILD)/%.o,$(wildcard $(SRC)/*.c))
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SOBJS := $(patsubst $(SRC)/%.S,$(BUILD)/%.o,$(wildcard $(SRC)/*.S))
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OBJS := $(SOBJS) $(COBJS)
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USERCOMMON := $(UBUILD)/crt.o $(UBUILD)/ulib.o
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USERPROGRAMS := $(UBUILD)/hello.elf $(UBUILD)/counter.elf \
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$(UBUILD)/sbrktest.elf $(UBUILD)/fileread.elf \
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$(UBUILD)/pipetest.elf $(UBUILD)/disktest.elf \
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$(UBUILD)/fstest.elf $(UBUILD)/linktest.elf \
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$(UBUILD)/spawntarget.elf $(UBUILD)/exectarget.elf \
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$(UBUILD)/proctest.elf $(UBUILD)/argtest.elf \
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$(UBUILD)/fifomaster.elf $(UBUILD)/fifowriter.elf \
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$(UBUILD)/fiforeader.elf $(UBUILD)/killtest.elf \
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$(UBUILD)/killvictim.elf $(UBUILD)/namedreader.elf \
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$(UBUILD)/namedwriter.elf $(UBUILD)/consolereader1.elf \
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$(UBUILD)/consolereader2.elf $(UBUILD)/sigtest.elf \
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$(UBUILD)/sigtarget.elf $(UBUILD)/sigdefault.elf \
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$(UBUILD)/jobtest.elf $(UBUILD)/jobtarget.elf \
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$(UBUILD)/nesttest.elf $(UBUILD)/nesttarget.elf \
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$(UBUILD)/eintrtest.elf $(UBUILD)/eintrtarget.elf \
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$(UBUILD)/restarttest.elf $(UBUILD)/restarttarget.elf \
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$(UBUILD)/masktest.elf $(UBUILD)/masktarget.elf \
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$(UBUILD)/sigchldtest.elf $(UBUILD)/sigchldchild.elf \
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$(UBUILD)/waitanytest.elf $(UBUILD)/waitanyfast.elf \
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$(UBUILD)/waitanyslow.elf \
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$(UBUILD)/stopchldtest.elf $(UBUILD)/stopchldtarget.elf \
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$(UBUILD)/nodefertest.elf \
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$(UBUILD)/alarmtest.elf $(UBUILD)/alarmdefault.elf \
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$(UBUILD)/siginfotest.elf $(UBUILD)/siginfotarget.elf \
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$(UBUILD)/pgroupfg.elf $(UBUILD)/pgroupbg.elf \
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$(UBUILD)/jobctlfg.elf $(UBUILD)/jobctlbg.elf \
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$(UBUILD)/polltest.elf $(UBUILD)/pollwriter.elf \
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$(UBUILD)/pipesrc.elf $(UBUILD)/pipesink.elf \
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$(UBUILD)/redirwriter.elf $(UBUILD)/redirreader.elf \
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$(UBUILD)/stderrwriter.elf $(UBUILD)/stderrreader.elf \
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$(UBUILD)/selfstoptest.elf $(UBUILD)/selfstoptarget.elf \
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$(UBUILD)/herestest.elf \
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$(UBUILD)/hcat.elf $(UBUILD)/hsink.elf \
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$(UBUILD)/pipecat.elf \
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$(UBUILD)/cwdtest.elf $(UBUILD)/cwdtarget.elf \
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$(UBUILD)/envprint.elf \
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$(UBUILD)/nicetest.elf $(UBUILD)/nicetarget.elf \
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$(UBUILD)/date.elf \
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$(UBUILD)/globcat.elf \
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$(UBUILD)/timetest.elf \
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$(UBUILD)/false.elf \
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$(UBUILD)/argecho.elf \
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$(UBUILD)/rmtest.elf \
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$(UBUILD)/permtest.elf \
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$(UBUILD)/identtest.elf \
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$(UBUILD)/dirpermtest.elf \
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$(UBUILD)/grouptest.elf \
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$(UBUILD)/pidfdtest.elf \
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$(UBUILD)/mmaptest.elf $(UBUILD)/mmapprotvictim.elf \
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$(UBUILD)/mmapexecvictim.elf
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FSFILES := fsroot/etc/motd.txt fsroot/etc/readme.txt fsroot/home/notes.txt
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KERNEL := $(BUILD)/frostbyte.elf
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INITRD := $(BUILD)/initrd.img
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MKTAR := $(BUILD)/mktar
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ISO := os.iso
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DISK := $(BUILD)/disk.img
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DISKFLAGS := -drive file=$(DISK),format=raw,if=ide
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.PHONY: all clean run runserial test
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all: $(ISO)
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$(BUILD):
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@mkdir -p $(BUILD)
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$(UBUILD):
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@mkdir -p $(UBUILD)
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$(BUILD)/%.o: $(SRC)/%.c | $(BUILD)
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$(CC) $(CFLAGS) $< -o $@
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$(BUILD)/%.o: $(SRC)/%.S | $(BUILD)
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$(CC) $(ASFLAGS) $< -o $@
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$(KERNEL): $(OBJS) linker.ld
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$(LD) $(LDFLAGS) -o $@ $(OBJS)
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$(UBUILD)/%.o: $(USER)/%.c | $(UBUILD)
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$(CC) $(UCFLAGS) $< -o $@
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$(UBUILD)/%.o: $(USER)/%.S | $(UBUILD)
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$(CC) $(UASFLAGS) $< -o $@
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$(UBUILD)/hello.elf: $(UBUILD)/hello.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x40000000 -o $@ $(UBUILD)/hello.o $(USERCOMMON)
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$(UBUILD)/counter.elf: $(UBUILD)/counter.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x50000000 -o $@ $(UBUILD)/counter.o $(USERCOMMON)
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$(UBUILD)/sbrktest.elf: $(UBUILD)/sbrktest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x60000000 -o $@ $(UBUILD)/sbrktest.o $(USERCOMMON)
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$(UBUILD)/fileread.elf: $(UBUILD)/fileread.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x70000000 -o $@ $(UBUILD)/fileread.o $(USERCOMMON)
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$(UBUILD)/pipetest.elf: $(UBUILD)/pipetest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x80000000 -o $@ $(UBUILD)/pipetest.o $(USERCOMMON)
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$(UBUILD)/disktest.elf: $(UBUILD)/disktest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x90000000 -o $@ $(UBUILD)/disktest.o $(USERCOMMON)
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$(UBUILD)/fstest.elf: $(UBUILD)/fstest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0xA0000000 -o $@ $(UBUILD)/fstest.o $(USERCOMMON)
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$(UBUILD)/linktest.elf: $(UBUILD)/linktest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0xB0000000 -o $@ $(UBUILD)/linktest.o $(USERCOMMON)
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# Note: 0xC0000000 is deliberately skipped -- kmain.c's runPagingTest()
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# hardcodes a single supervisor-only diagnostic page at that exact address
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# for the whole kernel's lifetime, which would silently collide with a
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# user binary's first page (elfLoad's pagingMapUserRange only maps pages
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# that are not already present, so it would find that one "already mapped"
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# and leave it non-user-accessible, faulting the instant ring 3 tried to
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# execute from it).
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$(UBUILD)/spawntarget.elf: $(UBUILD)/spawntarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0xD0000000 -o $@ $(UBUILD)/spawntarget.o $(USERCOMMON)
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# exectarget is never listed in kmain.c's boot-time spawnUser calls -- it is
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# only ever reached via proctest.c's userExec, which derives its stack/brk
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# purely from this ELF's own entry point (elfSlotStackTop/elfSlotBrkStart,
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# elf.c/elf.h). Its USER_BASE still needs to be reserved here so it never
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# collides with another binary's slot.
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$(UBUILD)/exectarget.elf: $(UBUILD)/exectarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0xE0000000 -o $@ $(UBUILD)/exectarget.o $(USERCOMMON)
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$(UBUILD)/proctest.elf: $(UBUILD)/proctest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0xF0000000 -o $@ $(UBUILD)/proctest.o $(USERCOMMON)
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# Like exectarget, argtest is never in kmain.c's boot-time spawnUser list --
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# only proctest.c's userSpawn (with a specific argv) ever launches it. Its
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# slot picks up right where proctest's leaves off (0xF0000000 + elfSlotSize).
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$(UBUILD)/argtest.elf: $(UBUILD)/argtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x100000000 -o $@ $(UBUILD)/argtest.o $(USERCOMMON)
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# fifomaster IS in kmain.c's boot-time spawnUser list (it needs no argv of
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# its own); fifowriter/fiforeader are only ever spawned by fifomaster, each
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# with the shared pipe handle it created as their one argv.
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$(UBUILD)/fifomaster.elf: $(UBUILD)/fifomaster.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x110000000 -o $@ $(UBUILD)/fifomaster.o $(USERCOMMON)
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$(UBUILD)/fifowriter.elf: $(UBUILD)/fifowriter.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x120000000 -o $@ $(UBUILD)/fifowriter.o $(USERCOMMON)
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$(UBUILD)/fiforeader.elf: $(UBUILD)/fiforeader.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x130000000 -o $@ $(UBUILD)/fiforeader.o $(USERCOMMON)
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# killtest is in kmain.c's boot-time spawnUser list; killvictim is only ever
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# spawned by killtest, and is designed to never return on its own (see
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# killvictim.c) -- proving threadKill (sched.c) is the only way out.
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$(UBUILD)/killtest.elf: $(UBUILD)/killtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x140000000 -o $@ $(UBUILD)/killtest.o $(USERCOMMON)
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$(UBUILD)/killvictim.elf: $(UBUILD)/killvictim.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x150000000 -o $@ $(UBUILD)/killvictim.o $(USERCOMMON)
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# namedreader/namedwriter are both in kmain.c's boot-time spawnUser list,
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# with no parent-child relationship to each other -- they rendezvous purely
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# through the vfsMkfifo'd path "/tmp/rendezvous", not a shared argv handle.
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$(UBUILD)/namedreader.elf: $(UBUILD)/namedreader.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x160000000 -o $@ $(UBUILD)/namedreader.o $(USERCOMMON)
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$(UBUILD)/namedwriter.elf: $(UBUILD)/namedwriter.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x170000000 -o $@ $(UBUILD)/namedwriter.o $(USERCOMMON)
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# consolereader1/consolereader2 are both in kmain.c's boot-time spawnUser
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# list, with no relationship to each other -- each simply reads its own fd 0,
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# which keyboard.c's per-reader fan-out delivers a synthetic keystroke to
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# independently (consoleInjectorThread, kmain.c).
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$(UBUILD)/consolereader1.elf: $(UBUILD)/consolereader1.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x180000000 -o $@ $(UBUILD)/consolereader1.o $(USERCOMMON)
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$(UBUILD)/consolereader2.elf: $(UBUILD)/consolereader2.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x190000000 -o $@ $(UBUILD)/consolereader2.o $(USERCOMMON)
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# sigtest is spawned directly by kmain.c at boot; sigtarget/sigdefault are
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# only ever spawned at runtime by sigtest itself (userSpawn), the same
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# relationship killtest.elf/killvictim.elf already have -- each still needs
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# its own reserved USER_BASE regardless of who spawns it, since elfLoad
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# maps every ELF at whatever fixed address it was linked at and all of
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# them share this one address space (see elf.h).
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$(UBUILD)/sigtest.elf: $(UBUILD)/sigtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x1A0000000 -o $@ $(UBUILD)/sigtest.o $(USERCOMMON)
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$(UBUILD)/sigtarget.elf: $(UBUILD)/sigtarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x1B0000000 -o $@ $(UBUILD)/sigtarget.o $(USERCOMMON)
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$(UBUILD)/sigdefault.elf: $(UBUILD)/sigdefault.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x1C0000000 -o $@ $(UBUILD)/sigdefault.o $(USERCOMMON)
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# jobtest is spawned directly by kmain.c at boot; jobtarget is only ever
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# spawned at runtime by jobtest itself (userSpawn), the same relationship
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# sigtest.elf/sigtarget.elf above already have.
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$(UBUILD)/jobtest.elf: $(UBUILD)/jobtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x1D0000000 -o $@ $(UBUILD)/jobtest.o $(USERCOMMON)
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$(UBUILD)/jobtarget.elf: $(UBUILD)/jobtarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x1E0000000 -o $@ $(UBUILD)/jobtarget.o $(USERCOMMON)
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# nesttest is spawned directly by kmain.c at boot; nesttarget is only ever
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# spawned at runtime by nesttest itself (userSpawn), the same relationship
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# sigtest.elf/sigtarget.elf and jobtest.elf/jobtarget.elf above already have.
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$(UBUILD)/nesttest.elf: $(UBUILD)/nesttest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x1F0000000 -o $@ $(UBUILD)/nesttest.o $(USERCOMMON)
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$(UBUILD)/nesttarget.elf: $(UBUILD)/nesttarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x200000000 -o $@ $(UBUILD)/nesttarget.o $(USERCOMMON)
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# eintrtest is spawned directly by kmain.c at boot; eintrtarget is only ever
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# spawned at runtime by eintrtest itself (userSpawn), the same relationship
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# killtest.elf/killvictim.elf above already have.
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$(UBUILD)/eintrtest.elf: $(UBUILD)/eintrtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x210000000 -o $@ $(UBUILD)/eintrtest.o $(USERCOMMON)
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$(UBUILD)/eintrtarget.elf: $(UBUILD)/eintrtarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x220000000 -o $@ $(UBUILD)/eintrtarget.o $(USERCOMMON)
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# restarttest is spawned directly by kmain.c at boot; restarttarget is only
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# ever spawned at runtime by restarttest itself (userSpawn), the same
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# relationship eintrtest.elf/eintrtarget.elf above already have.
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$(UBUILD)/restarttest.elf: $(UBUILD)/restarttest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x230000000 -o $@ $(UBUILD)/restarttest.o $(USERCOMMON)
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$(UBUILD)/restarttarget.elf: $(UBUILD)/restarttarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x240000000 -o $@ $(UBUILD)/restarttarget.o $(USERCOMMON)
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# masktest is spawned directly by kmain.c at boot; masktarget is only ever
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# spawned at runtime by masktest itself (userSpawn), the same relationship
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# nesttest.elf/nesttarget.elf above already have.
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$(UBUILD)/masktest.elf: $(UBUILD)/masktest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x250000000 -o $@ $(UBUILD)/masktest.o $(USERCOMMON)
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$(UBUILD)/masktarget.elf: $(UBUILD)/masktarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x260000000 -o $@ $(UBUILD)/masktarget.o $(USERCOMMON)
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# sigchldtest is spawned directly by kmain.c at boot; sigchldchild is only
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# ever spawned at runtime by sigchldtest itself (userSpawn), the same
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# relationship nesttest.elf/nesttarget.elf above already have.
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$(UBUILD)/sigchldtest.elf: $(UBUILD)/sigchldtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x270000000 -o $@ $(UBUILD)/sigchldtest.o $(USERCOMMON)
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$(UBUILD)/sigchldchild.elf: $(UBUILD)/sigchldchild.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x280000000 -o $@ $(UBUILD)/sigchldchild.o $(USERCOMMON)
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# waitanytest is spawned directly by kmain.c at boot; waitanyfast and
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# waitanyslow are only ever spawned at runtime by waitanytest itself
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# (userSpawn), the same relationship nesttest.elf/nesttarget.elf above
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# already have.
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$(UBUILD)/waitanytest.elf: $(UBUILD)/waitanytest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x290000000 -o $@ $(UBUILD)/waitanytest.o $(USERCOMMON)
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$(UBUILD)/waitanyfast.elf: $(UBUILD)/waitanyfast.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x2A0000000 -o $@ $(UBUILD)/waitanyfast.o $(USERCOMMON)
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$(UBUILD)/waitanyslow.elf: $(UBUILD)/waitanyslow.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x2B0000000 -o $@ $(UBUILD)/waitanyslow.o $(USERCOMMON)
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# stopchldtest is spawned directly by kmain.c at boot; stopchldtarget is
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# only ever spawned at runtime by stopchldtest itself (userSpawn), the same
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# relationship jobtest.elf/jobtarget.elf above already have.
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$(UBUILD)/stopchldtest.elf: $(UBUILD)/stopchldtest.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x2C0000000 -o $@ $(UBUILD)/stopchldtest.o $(USERCOMMON)
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$(UBUILD)/stopchldtarget.elf: $(UBUILD)/stopchldtarget.o $(USERCOMMON) user/user.ld
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$(LD) $(ULDFLAGS) --defsym USER_BASE=0x2D0000000 -o $@ $(UBUILD)/stopchldtarget.o $(USERCOMMON)
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# nodefertest is spawned directly by kmain.c at boot; it is a single,
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# self-contained process (self-raises signals against its own pid) with no
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# spawned counterpart, unlike every other pair above.
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$(MKTAR): tools/mktar.c | $(BUILD)
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gcc -O2 -Wall -Wextra -o $@ $<
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$(INITRD): $(MKTAR) $(USERPROGRAMS) $(FSFILES)
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$(MKTAR) $@ \
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--dir bin --dir etc --dir home \
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--file bin/hello $(UBUILD)/hello.elf \
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--file bin/counter $(UBUILD)/counter.elf \
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--file bin/sbrktest $(UBUILD)/sbrktest.elf \
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--file bin/fileread $(UBUILD)/fileread.elf \
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--file etc/motd.txt fsroot/etc/motd.txt \
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--file etc/readme.txt fsroot/etc/readme.txt \
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--file home/notes.txt fsroot/home/notes.txt
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$(ISO): $(KERNEL) $(INITRD) iso/boot/grub/grub.cfg
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@cp $(KERNEL) iso/boot/frostbyte.elf
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@cp $(INITRD) iso/boot/initrd.img
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grub-mkrescue -o $(ISO) iso 2>/dev/null
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run: $(ISO)
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qemu-system-x86_64 -cdrom $(ISO) -serial stdio -m 128M
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runserial: $(ISO)
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qemu-system-x86_64 -cdrom $(ISO) -serial stdio -display none -m 128M -no-reboot
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test: $(ISO)
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sh tools/ci-test.sh
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clean:
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rm -rf $(BUILD) $(ISO) iso/boot/frostbyte.elf iso/boot/initrd.img
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