diff options
Diffstat (limited to 'arch/x86/tools/qemu.sh')
-rwxr-xr-x | arch/x86/tools/qemu.sh | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/x86/tools/qemu.sh b/arch/x86/tools/qemu.sh new file mode 100755 index 00000000..c7488792 --- /dev/null +++ b/arch/x86/tools/qemu.sh @@ -0,0 +1,41 @@ +#!/bin/sh + +# Amount of physical memory +RAM=1024 + +# Number of processors. Keep this below the number of physical processors +# because the kernel doesn't replace spinning with sleeping from within +# a virtual machine, which causes performance to collapse. +NR_CPUS=4 + + +# Don't change from here unless you know what you're doing + +# QEMU system emulator +QEMU_EXE=qemu-system-x86_64 + +OBJCOPY="$1" +NATIVE_ARCH=$(uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/) + +if [ "$NATIVE_ARCH" != x86 ]; then + KVM= +elif lsmod | grep -q '^kvm'; then + KVM="-enable-kvm -cpu host" +fi + +X15=$PWD/x15 +TMPDIR=$(mktemp -d) + +$OBJCOPY -O elf32-i386 $X15 $TMPDIR/x15 + +cd $TMPDIR +$QEMU_EXE $KVM \ + -ctrl-grab \ + -gdb tcp::1234 \ + -m $RAM \ + -smp $NR_CPUS \ + -monitor stdio \ + -kernel x15 \ + -append "console=atcons" + +rm -rf $TMPDIR |