contiki/cpu/cc2430/8051def.h

/*
 * \file
 *	This file contains a set of configuration for using SDCC as a compiler.
 *	Modified from z80 port for cc2430 port.
 *
 * \author
 *	 Takahide Matsutsuka <markn@markn.org> (Original)
 *	 George Oikonomou - <oikonomou@users.sourceforge.net>
 *	   (recent updates for the sensinode/cc2430 port)
 */

#ifndef E051_DEF_H_
#define E051_DEF_H_

#include <stdint.h>

/* This port no longer implements the legacy clock_delay. Hack its usages
 * outta the way till it gets phased out completely
 * NB: This also overwrites the prototype so delay_usec() is declared twice */
#define clock_delay(t) clock_delay_usec(t)

/*
 * lint - style defines to help syntax parsers with sdcc-specific 8051 code
 * They don't interfere with actual compilation
 */
#if !defined(__SDCC_mcs51) && !defined(SDCC_mcs51)
#define __data
#define __xdata
#define __code
#define __bit bool
#define __sfr volatile unsigned char
#define __sbit volatile bool
#define __critical
#define __at(x)
#define __using(x)
#define __interrupt(x)
#define __naked
#endif

#define CC_CONF_FUNCTION_POINTER_ARGS	1
#define CC_CONF_VA_ARGS		1
#define CC_CONF_UNSIGNED_CHAR_BUGS	0
#define CC_CONF_REGISTER_ARGS		0
#define CC_CONF_FUNCTION_POINTER_KEYWORD __reentrant
#define CC_CONF_NON_BANKED_OPTIMIZATION 1

#if (defined(__SDCC_mcs51) || defined(SDCC_mcs51)) && CC_CONF_NON_BANKED_OPTIMIZATION
#define CC_NON_BANKED __nonbanked
#else
#define CC_NON_BANKED
#endif

/*
 * Max Stack Depth manipulation. It is possible to get up to 247 bytes
 * allocated for the stack if:
 * - You set this to 1 and
 * - You have a patched toolchain and
 * - You don't use __bit variables
 * - You do not link libraries using BIT registers (e.g. printf_large)
 * Enabling this will mean ISRs will NOT push bits (#pragma exclude bits) so
 * make sure you know what you're doing
 *
 * More information on the wiki
 */
#define CC_CONF_OPTIMIZE_STACK_SIZE 0

#if CC_CONF_OPTIMIZE_STACK_SIZE
#define CC_AT_DATA
#else
#define CC_AT_DATA __data
#endif

/* Generic types. */
typedef unsigned short uip_stats_t;

/* Time type. */
typedef unsigned short clock_time_t;
#define MAX_TICKS (~((clock_time_t)0) / 2)
/* Defines tick counts for a second. */
#define CLOCK_CONF_SECOND   128

/* Compiler configurations */
#define CCIF
#define CLIF

/* Single asm instruction without messing up syntax highlighting */
#if defined(__SDCC_mcs51) || defined(SDCC_mcs51)
#define ASM(x) __asm \
  x \
  __endasm
#else
#define ASM(x)
#endif

/* Critical section management */
#define DISABLE_INTERRUPTS()  do {EA = 0;} while(0)
#define ENABLE_INTERRUPTS()   do {EA = 1;} while(0)

/* Macro for a soft reset. */
#define SOFT_RESET() do {((void (__code *) (void)) 0x0000) ();} while(0)

/* We don't provide architecture-specific checksum calculations */
#define UIP_ARCH_ADD32    0
#define UIP_ARCH_CHKSUM	  0

#define CC_CONF_ASSIGN_AGGREGATE(dest, src)	\
    memcpy(dest, src, sizeof(*dest))

#define uip_ipaddr_copy(dest, src)		\
    memcpy(dest, src, sizeof(*dest))

#endif /* E051_DEF_H_ */