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Infer qemu path, just like in JOS

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This commit is contained in:
Austin Clements 2010-08-31 15:05:27 -04:00
parent 0f0456ec53
commit 1e8035be53
1 changed files with 22 additions and 5 deletions
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27
Makefile
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@ -49,6 +49,23 @@ TOOLPREFIX := $(shell if i386-jos-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/d
echo "***" 1>&2; exit 1; fi)
endif
# If the makefile can't find QEMU, specify its path here
#QEMU =
# Try to infer the correct QEMU
ifndef QEMU
QEMU = $(shell if which qemu > /dev/null; \
then echo qemu; exit; \
else \
qemu=/Applications/Q.app/Contents/MacOS/i386-softmmu.app/Contents/MacOS/i386-softmmu; \
if test -x $$qemu; then echo $$qemu; exit; fi; fi; \
echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
echo "*** Is the directory containing the qemu binary in your PATH" 1>&2; \
echo "*** or have you tried setting the QEMU variable in Makefile?" 1>&2; \
echo "***" 1>&2; exit 1)
endif
CC = $(TOOLPREFIX)gcc
AS = $(TOOLPREFIX)gas
LD = $(TOOLPREFIX)ld
@ -159,27 +176,27 @@ bochs : fs.img xv6.img
# try to generate a unique GDB port
GDBPORT = $(shell expr `id -u` % 5000 + 25000)
# QEMU's gdb stub command line changed in 0.11
QEMUGDB = $(shell if qemu -help | grep -q '^-gdb'; \
QEMUGDB = $(shell if $(QEMU) -help | grep -q '^-gdb'; \
then echo "-gdb tcp::$(GDBPORT)"; \
else echo "-s -p $(GDBPORT)"; fi)
QEMUOPTS = -smp 2 -hdb fs.img xv6.img
qemu: fs.img xv6.img
qemu -serial mon:stdio $(QEMUOPTS)
$(QEMU) -serial mon:stdio $(QEMUOPTS)
qemu-nox: fs.img xv6.img
qemu -nographic $(QEMUOPTS)
$(QEMU) -nographic $(QEMUOPTS)
.gdbinit: .gdbinit.tmpl
sed "s/localhost:1234/localhost:$(GDBPORT)/" < $^ > $@
qemu-gdb: fs.img xv6.img .gdbinit
@echo "*** Now run 'gdb'." 1>&2
qemu -serial mon:stdio $(QEMUOPTS) -S $(QEMUGDB)
$(QEMU) -serial mon:stdio $(QEMUOPTS) -S $(QEMUGDB)
qemu-nox-gdb: fs.img xv6.img .gdbinit
@echo "*** Now run 'gdb'." 1>&2
qemu -nographic $(QEMUOPTS) -S $(QEMUGDB)
$(QEMU) -nographic $(QEMUOPTS) -S $(QEMUGDB)
# CUT HERE
# prepare dist for students