+#elif CPU_CM3
+
+ #define CPU_REG_BITS 32
+ #define CPU_REGS_CNT 16
+ #define CPU_HARVARD 0
+
+ /// Valid pointers should be >= than this value (used for debug)
+ #if (CPU_CM3_LM3S1968 || CPU_CM3_LM3S8962 || CPU_CM3_STM32F103R8)
+ #define CPU_RAM_START 0x20000000
+ #else
+ #warning Fix CPU_RAM_START address for your Cortex-M3, default value set to 0x200
+ #define CPU_RAM_START 0x200
+ #endif
+
+ #if defined(__ARMEB__)
+ #define CPU_BYTE_ORDER CPU_BIG_ENDIAN
+ #elif defined(__ARMEL__)
+ #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
+ #else
+ #error Unable to detect Cortex-M3 endianess!
+ #endif
+
+ #define NOP asm volatile ("nop")
+ #define PAUSE asm volatile ("wfi" ::: "memory")
+ #define BREAKPOINT /* asm("bkpt 0") DOES NOT WORK */