patch-2.4.5 linux/arch/ppc/chrpboot/start.c

• Lines: 306
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.4/linux/arch/ppc/chrpboot/start.c
• Orig date: Mon Jun 19 17:59:35 2000

diff -u --recursive --new-file v2.4.4/linux/arch/ppc/chrpboot/start.c linux/arch/ppc/chrpboot/start.c
@@ -1,305 +0,0 @@
-/*
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <stdarg.h>
-
-int (*prom)();
-
-void *chosen_handle;
-void *stdin;
-void *stdout;
-void *stderr;
-
-void exit(void);
-void *finddevice(const char *name);
-int getprop(void *phandle, const char *name, void *buf, int buflen);
-
-void printk(char *fmt, ...);
-
-void
-start(int a1, int a2, void *promptr)
-{
-    prom = (int (*)()) promptr;
-    chosen_handle = finddevice("/chosen");
-    if (chosen_handle == (void *) -1)
-	exit();
-    if (getprop(chosen_handle, "stdout", &stdout, sizeof(stdout)) != 4)
-	exit();
-    stderr = stdout;
-    if (getprop(chosen_handle, "stdin", &stdin, sizeof(stdin)) != 4)
-	exit();
-
-    chrpboot(a1, a2, promptr);
-    for (;;)
-	exit();
-}
-
-int
-write(void *handle, void *ptr, int nb)
-{
-    struct prom_args {
-	char *service;
-	int nargs;
-	int nret;
-	void *ihandle;
-	void *addr;
-	int len;
-	int actual;
-    } args;
-
-    args.service = "write";
-    args.nargs = 3;
-    args.nret = 1;
-    args.ihandle = handle;
-    args.addr = ptr;
-    args.len = nb;
-    args.actual = -1;
-    (*prom)(&args);
-    return args.actual;
-}
-
-int
-read(void *handle, void *ptr, int nb)
-{
-    struct prom_args {
-	char *service;
-	int nargs;
-	int nret;
-	void *ihandle;
-	void *addr;
-	int len;
-	int actual;
-    } args;
-
-    args.service = "read";
-    args.nargs = 3;
-    args.nret = 1;
-    args.ihandle = handle;
-    args.addr = ptr;
-    args.len = nb;
-    args.actual = -1;
-    (*prom)(&args);
-    return args.actual;
-}
-
-void
-exit()
-{
-    struct prom_args {
-	char *service;
-    } args;
-
-    for (;;) {
-	args.service = "exit";
-	(*prom)(&args);
-    }
-}
-
-void
-pause()
-{
-    struct prom_args {
-	char *service;
-    } args;
-
-    args.service = "enter";
-    (*prom)(&args);
-}
-
-void *
-finddevice(const char *name)
-{
-    struct prom_args {
-	char *service;
-	int nargs;
-	int nret;
-	const char *devspec;
-	void *phandle;
-    } args;
-
-    args.service = "finddevice";
-    args.nargs = 1;
-    args.nret = 1;
-    args.devspec = name;
-    args.phandle = (void *) -1;
-    (*prom)(&args);
-    return args.phandle;
-}
-
-void *
-claim(unsigned int virt, unsigned int size, unsigned int align)
-{
-    struct prom_args {
-	char *service;
-	int nargs;
-	int nret;
-	unsigned int virt;
-	unsigned int size;
-	unsigned int align;
-	void *ret;
-    } args;
-
-    args.service = "claim";
-    args.nargs = 3;
-    args.nret = 1;
-    args.virt = virt;
-    args.size = size;
-    args.align = align;
-    (*prom)(&args);
-    return args.ret;
-}
-
-int
-getprop(void *phandle, const char *name, void *buf, int buflen)
-{
-    struct prom_args {
-	char *service;
-	int nargs;
-	int nret;
-	void *phandle;
-	const char *name;
-	void *buf;
-	int buflen;
-	int size;
-    } args;
-
-    args.service = "getprop";
-    args.nargs = 4;
-    args.nret = 1;
-    args.phandle = phandle;
-    args.name = name;
-    args.buf = buf;
-    args.buflen = buflen;
-    args.size = -1;
-    (*prom)(&args);
-    return args.size;
-}
-
-int
-putc(int c, void *f)
-{
-    char ch = c;
-
-    if (c == '\n')
-	putc('\r', f);
-    return write(f, &ch, 1) == 1? c: -1;
-}
-
-int
-putchar(int c)
-{
-    return putc(c, stdout);
-}
-
-int
-fputs(char *str, void *f)
-{
-    int n = strlen(str);
-
-    return write(f, str, n) == n? 0: -1;
-}
-
-int
-readchar()
-{
-    char ch;
-
-    for (;;) {
-	switch (read(stdin, &ch, 1)) {
-	case 1:
-	    return ch;
-	case -1:
-	    printk("read(stdin) returned -1\r\n");
-	    return -1;
-	}
-    }
-}
-
-static char line[256];
-static char *lineptr;
-static int lineleft;
-
-int
-getchar()
-{
-    int c;
-
-    if (lineleft == 0) {
-	lineptr = line;
-	for (;;) {
-	    c = readchar();
-	    if (c == -1 || c == 4)
-		break;
-	    if (c == '\r' || c == '\n') {
-		*lineptr++ = '\n';
-		putchar('\n');
-		break;
-	    }
-	    switch (c) {
-	    case 0177:
-	    case '\b':
-		if (lineptr > line) {
-		    putchar('\b');
-		    putchar(' ');
-		    putchar('\b');
-		    --lineptr;
-		}
-		break;
-	    case 'U' & 0x1F:
-		while (lineptr > line) {
-		    putchar('\b');
-		    putchar(' ');
-		    putchar('\b');
-		    --lineptr;
-		}
-		break;
-	    default:
-		if (lineptr >= &line[sizeof(line) - 1])
-		    putchar('\a');
-		else {
-		    putchar(c);
-		    *lineptr++ = c;
-		}
-	    }
-	}
-	lineleft = lineptr - line;
-	lineptr = line;
-    }
-    if (lineleft == 0)
-	return -1;
-    --lineleft;
-    return *lineptr++;
-}
-
-extern int vsprintf(char *buf, const char *fmt, va_list args);
-static char sprint_buf[1024];
-
-void
-printk(char *fmt, ...)
-{
-	va_list args;
-	int n;
-
-	va_start(args, fmt);
-	n = vsprintf(sprint_buf, fmt, args);
-	va_end(args);
-	write(stdout, sprint_buf, n);
-}
-
-int
-printf(char *fmt, ...)
-{
-	va_list args;
-	int n;
-
-	va_start(args, fmt);
-	n = vsprintf(sprint_buf, fmt, args);
-	va_end(args);
-	write(stdout, sprint_buf, n);
-	return n;
-}