From dc8703206e3f0f69605c56d0e1127f7e17f3476a Mon Sep 17 00:00:00 2001
From: Jan Sucan <sucanjan@fit.cvut.cz>
Date: Tue, 4 Jun 2019 14:34:27 +0200
Subject: Initial commit

---
 .../generate_cmd_erase_random_pages.sh             | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 testing/DMBootloader/generate_cmd_erase_random_pages.sh

(limited to 'testing/DMBootloader/generate_cmd_erase_random_pages.sh')

diff --git a/testing/DMBootloader/generate_cmd_erase_random_pages.sh b/testing/DMBootloader/generate_cmd_erase_random_pages.sh
new file mode 100644
index 0000000..3b29969
--- /dev/null
+++ b/testing/DMBootloader/generate_cmd_erase_random_pages.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# Generates the YUP commands for DMBootloader for erasing random pages
+
+MIN_PAGE=1
+MAX_PAGE=992
+PAGE_COUNT=16
+OUTDIR=4_erase_random_pages
+MEMIMAGE=3_cmd_read_all_pages/memory_image
+
+tmp_cmd=${OUTDIR}/0_erase
+mkdir $tmp_cmd
+cp $MEMIMAGE $tmp_cmd
+
+for i in $(seq 1 $PAGE_COUNT); do
+    # The same page numbers can possibly be generated
+    virtual_page=$(( $RANDOM % $MAX_PAGE ))
+
+    d=${OUTDIR}/${i}_erase
+    mkdir ${d}
+    
+    o=${d}/1_cmd
+    r=${d}/1_reply
+    m_base=${OUTDIR}/$(( $i - 1 ))_erase/memory_image
+    m=${d}/memory_image
+    
+    # Generate erase command and gradually construct images of virtual
+    # address space with the random pages erased
+    ./create_dmbootloader_cmd.sh erase $virtual_page $o
+    # Each Erase command must complete with success
+    printf '\x00' >$r
+    # Memory image for this Erase command will be based on the memory image for the previous command
+    cp $m_base $m
+    { dd if=/dev/zero bs=1 count=512 | tr '\000' '\377' | \
+    	  dd bs=1 of=$m seek=$(( $virtual_page * 512)) conv=notrunc; } 2>/dev/null
+
+    echo "Generated $(( $i )) / $(( $PAGE_COUNT ))"
+done
+
+rm -rf $tmp_cmd
+
+exit 0
-- 
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