FreeRTOS/Demo/CORTEX_A53_64-bit_UltraScale_MPSoC/RTOSDemo_A53_bsp/psu_cortexa53_0/libsrc/standalone_v6_6/src/write.c

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/* write.c -- write bytes to an output device.
 */
#ifndef UNDEFINE_FILE_OPS
#include "xil_printf.h"
#include "xparameters.h"

#ifdef __cplusplus
extern "C" {
	__attribute__((weak)) sint32 _write (sint32 fd, char8* buf, sint32 nbytes);
}
#endif

/*
 * write -- write bytes to the serial port. Ignore fd, since
 *          stdout and stderr are the same. Since we have no filesystem,
 *          open will only return an error.
 */
__attribute__((weak)) sint32
write (sint32 fd, char8* buf, sint32 nbytes)

{
#ifdef STDOUT_BASEADDRESS
  s32 i;
  char8* LocalBuf = buf;

  (void)fd;
  for (i = 0; i < nbytes; i++) {
	if(LocalBuf != NULL) {
		LocalBuf += i;
	}
	if(LocalBuf != NULL) {
	    if (*LocalBuf == '\n') {
	      outbyte ('\r');
	    }
	    outbyte (*LocalBuf);
	}
	if(LocalBuf != NULL) {
		LocalBuf -= i;
	}
  }
  return (nbytes);
#else
  (void)fd;
  (void)buf;
  (void)nbytes;
  return 0;
#endif
}

__attribute__((weak)) sint32
_write (sint32 fd, char8* buf, sint32 nbytes)
{
#if HYP_GUEST && EL1_NONSECURE && XEN_USE_PV_CONSOLE
	sint32 length;

	(void)fd;
	(void)nbytes;
	length = XPVXenConsole_Write(buf);
	return length;
#else
#ifdef STDOUT_BASEADDRESS
  s32 i;
  char8* LocalBuf = buf;

  (void)fd;
  for (i = 0; i < nbytes; i++) {
	if(LocalBuf != NULL) {
		LocalBuf += i;
	}
	if(LocalBuf != NULL) {
	    if (*LocalBuf == '\n') {
	      outbyte ('\r');
	    }
	    outbyte (*LocalBuf);
	}
	if(LocalBuf != NULL) {
		LocalBuf -= i;
	}
  }
  return (nbytes);
#else
  (void)fd;
  (void)buf;
  (void)nbytes;
  return 0;
#endif
#endif
}
#endif