diff options
Diffstat (limited to 'libgloss/xstormy16/eva_app.c')
-rw-r--r-- | libgloss/xstormy16/eva_app.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/libgloss/xstormy16/eva_app.c b/libgloss/xstormy16/eva_app.c deleted file mode 100644 index f6069fc..0000000 --- a/libgloss/xstormy16/eva_app.c +++ /dev/null @@ -1,78 +0,0 @@ -/* eva_app.c -- Glue code for linking apps to run under GDB debugger control. - * - * Copyright (c) 2001 Red Hat, Inc. - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ -#include "glue.h" - -typedef void (*write_proc_t)(char *buf, int nbytes); -typedef int (*read_proc_t)(char *buf, int nbytes); - -/* There is no "syscall", so we just call directly into the stub code - at fixed addresses. */ -#define STUB_WRITE(p,n) ((write_proc_t)0x8084)((p),(n)) -#define STUB_READ(p,n) ((read_proc_t)0x8088)((p),(n)) - -/* - * print -- do a raw print of a string - */ -void -print(char *ptr) -{ - STUB_WRITE(ptr, strlen(ptr)); -} - -/* - * 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. - */ -int -_write (int fd, char *buf, int nbytes) -{ - STUB_WRITE(buf, nbytes); - return (nbytes); -} - -int -_read (int fd, char *buf, int nbytes) -{ - return STUB_READ(buf, nbytes); -} - -extern char _end[]; -#define HEAP_LIMIT ((char *)0xffff) - -void * -_sbrk(int inc) -{ - static char *heap_ptr = _end; - void *base; - - if (inc > (HEAP_LIMIT - heap_ptr)) - return (void *)-1; - - base = heap_ptr; - heap_ptr += inc; - - return base; -} - -void -_exit(int n) -{ - while (1) - { - asm volatile ("nop"); - asm volatile (".hword 0x0006"); /* breakpoint (special illegal insn) */ - } -} |