X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Ftypes.h;h=dcddaa59b8d6e228fd8715f42deb92e3e397dd8d;hb=327806d9c3793f6e250c19df053686e200f1c559;hp=8b8179387769e1a29a7506d2e9371dccec5ef560;hpb=e62ca0b357f09804d7d894949df44224c9d74bb7;p=bertos.git

diff --git a/bertos/cpu/types.h b/bertos/cpu/types.h
index 8b817938..dcddaa59 100644
--- a/bertos/cpu/types.h
+++ b/bertos/cpu/types.h
@@ -43,15 +43,18 @@
 
 #include "detect.h"
 #include "attr.h"
+#include <limits.h>
 #include <cfg/compiler.h> /* for uintXX_t */
 
 #if CPU_I196
 
 	typedef uint16_t cpu_flags_t; // FIXME
 	typedef unsigned int cpu_stack_t;
+	typedef cpu_stack_t cpu_aligned_stack_t;
 	typedef unsigned int cpu_atomic_t;
 	#warning Verify following constant
 	#define SIZEOF_CPUSTACK_T 2
+	#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
 
 #elif CPU_X86
 
@@ -65,19 +68,26 @@
 
 	#if CPU_X86_64
 		typedef uint64_t cpu_stack_t;
+		typedef cpu_stack_t cpu_aligned_stack_t;
 		#define SIZEOF_CPUSTACK_T 8
+		#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
 	#else
 		typedef uint32_t cpu_stack_t;
+		typedef cpu_stack_t cpu_aligned_stack_t;
 		#define SIZEOF_CPUSTACK_T 4
+		#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;
 	#define SIZEOF_CPUSTACK_T 4
 
+	typedef uint64_t cpu_aligned_stack_t;
+	#define SIZEOF_CPUALIGNED_T 8
+
 #elif CPU_PPC
 
 	/* Get cpu_flags_t definition from the hosting environment. */
@@ -88,22 +98,36 @@
 
 	typedef uint32_t cpu_atomic_t;
 	typedef uint32_t cpu_stack_t;
+	typedef  cpu_stack_t cpu_aligned_stack_t;
 	#define SIZEOF_CPUSTACK_T 4
+	#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
 
 #elif CPU_DSP56K
 
 	typedef uint16_t cpu_flags_t;
 	typedef uint16_t cpu_atomic_t;
 	typedef unsigned int cpu_stack_t;
+	typedef cpu_stack_t cpu_aligned_stack_t;
 	#warning Verify following costant
 	#define SIZEOF_CPUSTACK_T 2
+	#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
 
 #elif CPU_AVR
 
 	typedef uint8_t cpu_flags_t;
 	typedef uint8_t cpu_atomic_t;
 	typedef uint8_t cpu_stack_t;
+	typedef cpu_stack_t cpu_aligned_stack_t;
 	#define SIZEOF_CPUSTACK_T 1
+	#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
+
+#elif CPU_MSP430
+
+	typedef uint16_t cpu_flags_t;
+	typedef uint16_t cpu_stack_t;
+	typedef cpu_stack_t cpu_aligned_stack_t;
+	#define SIZEOF_CPUSTACK_T 2
+	#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
 
 #else
 	#error No CPU_... defined.
@@ -160,6 +184,16 @@
 #endif
 #endif
 
+#ifndef SIZEOF_SIZE_T
+#if CPU_REG_BITS < 32
+	#define SIZEOF_SIZE_T   2
+#elif CPU_REG_BITS == 32
+	#define SIZEOF_SIZE_T   4
+#else /* CPU_REG_BITS > 32 */
+	#define SIZEOF_SIZE_T   8
+#endif
+#endif
+
 #ifndef CPU_BITS_PER_CHAR
 #define CPU_BITS_PER_CHAR   (SIZEOF_CHAR * 8)
 #endif
@@ -183,6 +217,11 @@
 
 /*\}*/
 
+#ifndef INT_MAX
+	#define INT_MAX	((int)((unsigned int)~0 >> 1))
+	#define INT_MIN	(-INT_MAX - 1)
+#endif
+
 /* Sanity checks for the above definitions */
 STATIC_ASSERT(sizeof(char) == SIZEOF_CHAR);
 STATIC_ASSERT(sizeof(short) == SIZEOF_SHORT);
@@ -200,6 +239,17 @@ STATIC_ASSERT(sizeof(int64_t) * CPU_BITS_PER_CHAR == 64);
 STATIC_ASSERT(sizeof(uint64_t) * CPU_BITS_PER_CHAR == 64);
 #endif
 STATIC_ASSERT(sizeof(cpu_stack_t) == SIZEOF_CPUSTACK_T);
+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)))
+/*\}*/
+
 #endif /* CPU_TYPES_H */