Readd modifications

core/src/entry_point/start_item_arm.rs

diff --git a/core/src/entry_point/start_item_arm.rs b/core/src/entry_point/start_item_arm.rs
index c9390f6..43e259f 100644
--- a/core/src/entry_point/start_item_arm.rs
+++ b/core/src/entry_point/start_item_arm.rs
@@ -23,7 +23,8 @@
         // the Program Counter) will match the intended location of .start. We
         // don't have an easy way to signal an error, so for now we just yield
         // if the location is wrong.
-        sub r4, pc, #4    // r4 = pc
+        mov r4, pc
+        sub r4, r4, #4    // r4 = pc
         ldr r5, =.start   // r5 = address of .start
         cmp r4, r5
         beq .Lstack_init  // Jump to stack initialization if pc was correct

tools/flash.sh

diff --git a/tools/flash.sh b/tools/flash.sh
index d6bf1c0..fe9e62b 100755
--- a/tools/flash.sh
+++ b/tools/flash.sh
@@ -3,7 +3,7 @@
 set -eux
 
 artifact="$(basename $1)"
-rust_target_folder="$(readlink -f $(dirname $1)/../..)"
+rust_target_folder="$(greadlink -f $(dirname $1)/../..)"
 if [ -z $APP_HEAP_SIZE ]; then
 	echo "Set APP_HEAP_SIZE to a value"
 	exit 1