X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Ftypes.h;h=bb4aa79f2092982c9b414c865413462d7b5bea9f;hb=32d1445272120a254d77ce8d1af1f527da7a2c17;hp=8b8179387769e1a29a7506d2e9371dccec5ef560;hpb=e62ca0b357f09804d7d894949df44224c9d74bb7;p=bertos.git

diff --git a/bertos/cpu/types.h b/bertos/cpu/types.h
index 8b817938..bb4aa79f 100644
--- a/bertos/cpu/types.h
+++ b/bertos/cpu/types.h
@@ -49,9 +49,11 @@
 
 	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
 
@@ -65,10 +67,14 @@
 
 	#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
@@ -76,7 +82,9 @@
 	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
+	#define SIZEOF_CPUALIGNED_T 8
 
 #elif CPU_PPC
 
@@ -88,22 +96,28 @@
 
 	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
 
 #else
 	#error No CPU_... defined.
@@ -160,6 +174,16 @@
 #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 +207,11 @@
 
 /*\}*/
 
+#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 +229,7 @@ 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);
 
 #endif /* CPU_TYPES_H */