From 1c7097201991af66baa89d4bbb465292f3b86c29 Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Tue, 24 Oct 2017 23:35:46 +0200
Subject: Add a qemu/arm script, enable caching, clear bss

---
 tools/qemu_arm.sh | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100755 tools/qemu_arm.sh

(limited to 'tools/qemu_arm.sh')

diff --git a/tools/qemu_arm.sh b/tools/qemu_arm.sh
new file mode 100755
index 00000000..4c2a0a15
--- /dev/null
+++ b/tools/qemu_arm.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# Amount of physical memory
+# XXX The kernel configuration must use the same value or less.
+RAM=64
+
+# 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
+
+# QEMU system emulator
+QEMU_EXE=qemu-system-arm
+
+# KVM options
+KVM="-enable-kvm -cpu host"
+KVM=
+
+
+# Don't change from here unless you know what you're doing
+
+
+X15=$PWD/x15
+TMPDIR=$(mktemp -d)
+FLASH=$TMPDIR/flash
+
+arm-none-eabi-objcopy -O binary x15 x15.bin
+dd if=/dev/zero of=flash.img bs=1M count=64
+dd if=x15.bin of=flash.img conv=notrunc
+
+$QEMU_EXE $KVM \
+          -M virt-2.8 \
+          -ctrl-grab \
+          -gdb tcp::1234 \
+          -m $RAM \
+          -smp $NR_CPUS \
+          -monitor stdio \
+          -pflash flash.img
+
+rm -rf $TMPDIR
-- 
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