WIP: Works.

But I don't like it much yet.

Makefile

@@ -1,10 +1,10 @@
 all:
-	arm-none-eabi-gcc -ggdb -mcpu=Cortex-M4 -mthumb -r -Tlibpqscheme.ld -fPIC -nostartfiles -o libpqscheme_test.elf libpqscheme_test.c -Iruntime_mps2/out/an386/pack/include
+	arm-none-eabi-gcc -ggdb -mcpu=Cortex-M4 -mthumb -Tlibpqscheme.ld -nostartfiles -o libpqscheme_test.elf libpqscheme_test.c -Iruntime_mps2/out/an386/pack/include -L/home/kris/repos/pqshield/epcc/out/armv7e-m/lib -I/home/kris/repos/pqshield/epcc/out/armv7e-m/inc -lmlkem -lsha3 -lcommon
 	arm-none-eabi-gcc -ggdb -mcpu=Cortex-M4 -mthumb -Truntime_mps2/out/an386/pack/lib/mps2.ld -nostartfiles -o runner.elf runner.c -Lruntime_mps2/out/an386/pack/lib -lmps2-an386_runtime -Iruntime_mps2/out/an386/pack/include
 	arm-none-eabi-ar rcs runner runner.elf
-
 	arm-none-eabi-objcopy -O binary libpqscheme_test.elf libpqscheme_test.bin
 
+
 run:
 	qemu-system-arm \
     	-M mps2-an386 \
@@ -12,11 +12,10 @@ run:
     	-nographic \
     	-kernel runner.elf \
     	-semihosting \
-		-device loader,file=libpqscheme_test.elf,addr=0x20000000
+		-device loader,file=libpqscheme_test.bin,addr=0x20000000
 #		-S -gdb tcp::1234
 #	    -monitor unix:/tmp/qemu-monitor,server,nowait
 
-
 clean:
 	rm -rf *.o *.a *.elf *.bin
 	rm -rf runner

libpqscheme.ld

@@ -1,23 +1,26 @@
 MEMORY
 {
-    FLASH (rx)  : ORIGIN = 0x00300000, LENGTH = 0x00100000  /* Runner */
-    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 16K
+    RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 16K
 }
 
 SECTIONS
 {
-    .magic_header : {
+    .magic_header : ALIGN(4) {
         LONG(0x88DAD0F2)        /* Magic header containing */
         LONG(ADDR(.text))   /* Entry point */
     } > RAM
 
-    .text : {
+    .text : ALIGN(4) {
         *(.text)
         *(.rodata)
     } > RAM
 
-    .data : {
+    .data : ALIGN(4) {
         *(.data)
     } > RAM
 
+    .bss : ALIGN(4) {
+        *(.bss)
+        *(COMMON)
+    } > RAM
 }

libpqscheme_test.c

@@ -1,7 +1,10 @@
+#include <epcc/sha3.h>
 #include <stdint.h>
+int run();
 
-__attribute__((section(".text"))) int cryptographic_test() {
+__attribute__((used, section(".text"))) int cryptographic_test() {
     // Run unit tests for cryptographic scheme
-    //while(1);  // Debug loop
-    return 7;
+    return 7 + run();
 }
+
+int run() { return (int)epcc_sha3_serialized_size(); }

runner.c

@@ -16,7 +16,8 @@ void execute_library_function() {
     while ((uint32_t)ptr < RAM_END) {
         if (*ptr == LIB_MAGIC) {
             printf("Found libpqscheme_test 0x%X!\n", ptr);
-            entry_point      = RAM_START + (*(ptr + 1));
+            entry_point = (*(ptr + 1));
+            printf("Calling function at 0x%X\n", entry_point);
             entry_point      |= 1;  // Ensure thumb mod
             func_t test_func = (func_t)(entry_point);
             if (test_func) {