#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
#endif
-#elif CPU_ARM
+#elif CPU_ARM || CPU_CM3
typedef uint32_t cpu_flags_t;
typedef uint32_t cpu_atomic_t;
typedef uint32_t cpu_stack_t;
- typedef uint64_t cpu_aligned_stack_t;
#define SIZEOF_CPUSTACK_T 4
+
+ typedef uint64_t cpu_aligned_stack_t;
#define SIZEOF_CPUALIGNED_T 8
#elif CPU_PPC
STATIC_ASSERT(sizeof(cpu_aligned_stack_t) == SIZEOF_CPUALIGNED_T);
STATIC_ASSERT(sizeof(size_t) == SIZEOF_SIZE_T);
+
+/**
+ * Macros for hardware access, both direct and via the bit-band region.
+ */
+/*\{*/
+#define HWREG(x) (*((reg32_t *)(x)))
+#define HWREGH(x) (*((reg16_t *)(x)))
+#define HWREGB(x) (*((reg8_t *)(x)))
+
+#define HWREGBITW(x, b) \
+ HWREG(((reg32_t)(x) & 0xF0000000) | 0x02000000 | \
+ (((reg32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
+#define HWREGBITH(x, b) \
+ HWREGH(((reg32_t)(x) & 0xF0000000) | 0x02000000 | \
+ (((reg32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
+#define HWREGBITB(x, b) \
+ HWREGB(((reg32_t)(x) & 0xF0000000) | 0x02000000 | \
+ (((reg32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
+/*\}*/
+
#endif /* CPU_TYPES_H */