Code to allow testing on lpc1114 board.

emk_project.py

@@ -1,6 +1,6 @@
 import os
 
-c, link = emk.module("c", "link")
+c, link, asm, utils = emk.module("c", "link", "asm", "utils")
 
 default_compile_flags = ["-fvisibility=hidden", "-Wall", "-Wextra", "-Wshadow", "-Werror", "-Wno-missing-field-initializers", "-Wno-unused-parameter", \
     "-Wno-comment", "-Wno-unused", "-Wno-unknown-pragmas"]
@@ -63,13 +63,33 @@ def setup_avr():
 def setup_arm_thumb():
     global c
     global link
+    global asm
+    global utils
 
+    asm.assembler = asm.GccAssembler("/cross/arm_cortex/bin/arm-none-eabi-")
     c.compiler = c.GccCompiler("/cross/arm_cortex/bin/arm-none-eabi-")
     link.linker = link.GccLinker("/cross/arm_cortex/bin/arm-none-eabi-")
 
-    c.flags += ["-march=armv6-m", "-mthumb", "-ffunction-sections", "-fdata-sections"]
+    c.flags.extend(["-mcpu=cortex-m0", "-mthumb", "-ffunction-sections", "-fdata-sections", "-fno-builtin-fprintf", "-fno-builtin-printf"])
-    link.local_flags += ["-march=armv6-m", "-mthumb", "-Wl,--gc-sections"]
+    c.defines["LPC11XX"] = 1
+    
+    link.local_flags.extend(["-mcpu=cortex-m0", "-mthumb", "-nostartfiles", "-nostdlib", "-Wl,--gc-sections"])
+    link.local_flags.extend(["-Tflash.lds", "-L/Projects/lpc11xx/core", "/Projects/lpc11xx/core/" + emk.build_dir + "/board_cstartup.o"])
+    link.local_syslibs += ["gcc"]
+    link.depdirs += ["/Projects/lpc11xx/stdlib"]
+
+    def do_objcopy(produces, requires):
+        utils.call("/cross/arm_cortex/bin/arm-none-eabi-objcopy", "-O", "binary", requires[0], produces[0])
+
+    def handle_exe(path):
+        emk.depend(path, "/Projects/lpc11xx/core/" + emk.build_dir + "/board_cstartup.o")
+        emk.rule(do_objcopy, path + ".bin", path, cwd_safe=True, ex_safe=True)
+        emk.autobuild(path + ".bin")
+
+    link.exe_funcs.append(handle_exe)
     link.strip = True
+    
+    emk.recurse("/Projects/lpc11xx/core")
 
 setup_build_dir()
 

test/test_ecdh.c

@@ -5,6 +5,29 @@
 #include <stdio.h>
 #include <string.h>
 
+#if LPC11XX
+
+#include "/Projects/lpc11xx/peripherals/uart.h"
+#include "/Projects/lpc11xx/peripherals/time.h"
+
+static uint64_t g_rand = 88172645463325252ull;
+int fake_rng(uint8_t *p_dest, unsigned p_size)
+{
+    while(p_size)
+    {
+        g_rand ^= (g_rand << 13);
+        g_rand ^= (g_rand >> 7);
+        g_rand ^= (g_rand << 17);
+
+        unsigned l_amount = (p_size > 8 ? 8 : p_size);
+        memcpy(p_dest, &g_rand, l_amount);
+        p_size -= l_amount;
+    }
+    return 1;
+}
+
+#endif
+
 void vli_print(uint8_t *p_vli, unsigned int p_size)
 {
     while(p_size)
@@ -16,6 +39,13 @@ void vli_print(uint8_t *p_vli, unsigned int p_size)
 
 int main()
 {
+#if LPC11XX
+    uartInit(BAUD_115200);
+	initTime();
+	
+    uECC_set_rng(&fake_rng);
+#endif
+	
     int i;
     
     uint8_t l_private1[uECC_BYTES];
@@ -32,7 +62,9 @@ int main()
     for(i=0; i<256; ++i)
     {
         printf(".");
+    #if !LPC11XX
         fflush(stdout);
+    #endif
 
         if(!uECC_make_key(l_public1, l_private1) || !uECC_make_key(l_public2, l_private2))
         {

test/test_ecdsa.c

@@ -5,8 +5,38 @@
 #include <stdio.h>
 #include <string.h>
 
+#if LPC11XX
+
+#include "/Projects/lpc11xx/peripherals/uart.h"
+#include "/Projects/lpc11xx/peripherals/time.h"
+
+static uint64_t g_rand = 88172645463325252ull;
+int fake_rng(uint8_t *p_dest, unsigned p_size)
+{
+    while(p_size)
+    {
+        g_rand ^= (g_rand << 13);
+        g_rand ^= (g_rand >> 7);
+        g_rand ^= (g_rand << 17);
+
+        unsigned l_amount = (p_size > 8 ? 8 : p_size);
+        memcpy(p_dest, &g_rand, l_amount);
+        p_size -= l_amount;
+    }
+    return 1;
+}
+
+#endif
+
 int main()
 {
+#if LPC11XX
+    uartInit(BAUD_115200);
+	initTime();
+
+    uECC_set_rng(&fake_rng);
+#endif
+
     uint8_t l_public[uECC_BYTES*2];
     uint8_t l_private[uECC_BYTES];
 
@@ -21,7 +51,9 @@ int main()
     for(i=0; i<256; ++i)
     {
         printf(".");
+    #if !LPC11XX
         fflush(stdout);
+    #endif
         
         if(!uECC_make_key(l_public, l_private))
         {