From 1c26711cecfb7dd99f42844ab8227ff37f39c5b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cynthia=20Revstr=C3=B6m?= <me@cynthia.re>
Date: Sun, 26 Apr 2020 13:08:12 +0200
Subject: some scripts

---
 bin/chrome_ram        |  3 +++
 bin/find_iommu_groups |  8 ++++++++
 bin/run_efi           | 25 +++++++++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100755 bin/chrome_ram
 create mode 100755 bin/find_iommu_groups
 create mode 100755 bin/run_efi

diff --git a/bin/chrome_ram b/bin/chrome_ram
new file mode 100755
index 0000000..e59676a
--- /dev/null
+++ b/bin/chrome_ram
@@ -0,0 +1,3 @@
+#!/bin/bash
+mib=$(ps aux | grep '/opt/google/chrome/chrome' | awk '{print $6}' | paste -sd+ - | bc | sed 's/$/\*1000\/1048576/' | bc)
+echo "$mib MiB"
diff --git a/bin/find_iommu_groups b/bin/find_iommu_groups
new file mode 100755
index 0000000..2dad4c6
--- /dev/null
+++ b/bin/find_iommu_groups
@@ -0,0 +1,8 @@
+#!/bin/bash
+shopt -s nullglob
+for g in /sys/kernel/iommu_groups/*; do
+    echo "IOMMU Group ${g##*/}:"
+    for d in $g/devices/*; do
+        echo -e "\t$(lspci -nns ${d##*/})"
+    done;
+done;
diff --git a/bin/run_efi b/bin/run_efi
new file mode 100755
index 0000000..869adbe
--- /dev/null
+++ b/bin/run_efi
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+
+#gfx_opts="-serial stdio -display none"
+gfx_opts=""
+
+workdir="/tmp/efidrivetmp"
+mntpoint="$workdir/mnt"
+drive="$workdir/disk.img"
+
+mkdir -p $workdir
+
+dd if=/dev/zero of=$drive bs=1024 count=100K
+mkfs.vfat $drive
+mkdir $mntpoint
+sudo mount -o loop $drive $mntpoint
+sudo mkdir -p $mntpoint/EFI/BOOT
+sudo cp $1 $mntpoint/EFI/BOOT/BOOTX64.efi
+sudo umount $mntpoint
+rm -rf $mntpoint
+
+qemu-system-x86_64 -enable-kvm -bios /usr/share/ovmf/OVMF.fd -m 1G -net none -drive format=raw,file=$drive -cpu host $gfx_opts
+
+rm -rf $workdir
\ No newline at end of file
-- 
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