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/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#include <cpu.h>
/* the exception frame should be page aligned
* the_exception_frame is used by the handler to store a copy of all
* registers after an exception; this copy can then be used by paflof's
* exception handler to printout a register dump */
cell the_exception_frame[0x400 / CELLSIZE] __attribute__ ((aligned(PAGE_SIZE)));;
/* the_client_frame is the register save area when starting a client */
cell the_client_frame[0x1000 / CELLSIZE] __attribute__ ((aligned(0x100)));
cell the_client_stack[0x8000 / CELLSIZE] __attribute__ ((aligned(0x100)));
/* THE forth stack */
cell the_data_stack[0x2000 / CELLSIZE] __attribute__ ((aligned(0x100)));
/* the forth return stack */
cell the_return_stack[0x2000 / CELLSIZE] __attribute__ ((aligned(0x100)));
/* forth stack and return-stack pointers */
cell *restrict dp;
cell *restrict rp;
/* terminal input buffer */
cell the_tib[0x1000 / CELLSIZE] __attribute__ ((aligned(0x100)));
/* temporary string buffers */
char the_pockets[NUMPOCKETS * POCKETSIZE] __attribute__ ((aligned(0x100)));
cell the_comp_buffer[0x1000 / CELLSIZE] __attribute__ ((aligned(0x100)));
cell the_heap[HEAP_SIZE / CELLSIZE] __attribute__ ((aligned(0x1000)));
cell *the_heap_start = &the_heap[0];
cell *the_heap_end = &the_heap[HEAP_SIZE / CELLSIZE];
extern void io_putchar(unsigned char);
extern unsigned long call_c(cell arg0, cell arg1, cell arg2, cell entry);
long
writeLogByte_wrapper(long x, long y)
{
unsigned long result;
SET_CI;
result = writeLogByte(x, y);
CLR_CI;
return result;
}
/**
* Standard write function for the libc.
*
* @param fd file descriptor (should always be 1 or 2)
* @param buf pointer to the array with the output characters
* @param count number of bytes to be written
* @return the number of bytes that have been written successfully
*/
int
write(int fd, const void *buf, int count)
{
int i;
char *ptr = (char *)buf;
if (fd != 1 && fd != 2)
return 0;
for (i = 0; i < count; i++) {
if (*ptr == '\n')
io_putchar('\r');
io_putchar(*ptr++);
}
return i;
}
/* This should probably be temporary until a better solution is found */
void
asm_cout(long Character, long UART, long NVRAM __attribute__((unused)))
{
if (UART)
io_putchar(Character);
}
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