Reworked unit tests for machine and renamed test_programs directory

test/README.md

@@ -0,0 +1,28 @@
+# BurritOS Test programs
+This folder contains small C programs pertaining to the assessment of the correctness of BurritOS' behavior.
+
+## Folder Structure
+ - **riscv_instructions**: contains small programs for testing simulator instruction coverage.
+
+## How to build
+### In the Makefile.config file
+Set the variables to the correct paths for the [RISCV Newlib compilation toolchain](https://github.com/riscv-collab/riscv-gnu-toolchain). Simply changing the `RISCV_PREFIX` variable should do the trick. **Do not forget to add a trailing slash**.
+
+### Exporting objdumps
+
+```
+$ make dumps
+```
+
+### Compiling programs
+```
+$ make programs
+```
+
+### Cleaning
+```
+$ make clean
+```
+
+### Output folder
+Compilation results are located in the target/objdumps and target/programs directories.