basic memory management and uart wait fix

[cortex-from-scratch] / main.c

diff --git a/main.c b/main.c
index 58e4771..84496d5 100644 (file)
--- a/main.c
+++ b/main.c
@@ -2,6 +2,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <stm32.h> // <-- your own header file located located in ./include
+#include <mmap.h>
 
 
 void *memcpy(void *dest, void *src, size_t count)
@@ -41,11 +42,27 @@ int strlen(const char *str)
 
 void main()
 {
-       //uart_init();
-       //uart_puts("LOADING SYSTEM...\n");
 
        ivt_init();
+//     clock_init();
+       uart_init();
        systick_init();
+       uart_puts("LOADING SYSTEM 0.1 ...\n");
+       sysinfo();
+       mm_init();
+
+       int * p2 = mm_alloc(200);
+       *p2 = 0x12345678;
+
+       test_memory(p2);
+
+       addrtohex(p2);
+       addrtohex(*p2);
+
+
+       //addrtohex((volatile uint32_t) 0x12345678 );
+       //addrtohex((volatile uint32_t) SCB_VTOR );
+
 //     asm("cpsie i"); // enable irq , cpsied f (disable faukts(
 
        // loop