from netbsd:

Part of the tostools reorganization. All directories now contain a Makefile
and the user interface to the various tools has been standarized.

1 files changed, 353 insertions, 0 deletions

diff --git a/sys/arch/atari/stand/tostools/loadbsd/loadbsd.c b/sys/arch/atari/stand/tostools/loadbsd/loadbsd.c
new file mode 100644
index 00000000000..13a72909a0d
--- /dev/null
+++ b/sys/arch/atari/stand/tostools/loadbsd/loadbsd.c
@@ -0,0 +1,353 @@
+/*	$NetBSD: loadbsd.c,v 1.10 1996/01/07 22:06:15 leo Exp $	*/
+
+/*
+ * Copyright (c) 1995 L. Weppelman
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Leo Weppelman.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * NetBSD loader for the Atari-TT.
+ */
+
+#include <a_out.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <osbind.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "libtos.h"
+#include "loader.h"
+
+char	*Progname;		/* How are we called		*/
+int	d_flag  = 0;		/* Output debugging output?	*/
+int	h_flag  = 0;		/* show help			*/
+int	s_flag  = 0;		/* St-ram only			*/
+int	t_flag  = 0;		/* Just test, do not execute	*/
+int	v_flag  = 0;		/* show version			*/
+
+const char version[] = "$Revision: 1.1 $";
+
+/*
+ * Default name of kernel to boot, large enough to patch
+ */
+char	kname[80] = "n:/netbsd";
+
+static struct kparamb kparam;
+
+void help  PROTO((void));
+void usage PROTO((void));
+void get_sys_info PROTO((void));
+void start_kernel PROTO((void));
+
+int
+main(argc, argv)
+int	argc;
+char	**argv;
+{
+	/*
+	 * Option parsing
+	 */
+	extern	int	optind;
+	extern	char	*optarg;
+	int		ch;
+	int		fd;
+	long		textsz, stringsz;
+	struct exec	ehdr;
+	
+	init_toslib(argv[0]);
+	Progname = argv[0];
+
+	kparam.boothowto = RB_SINGLE;
+
+	while ((ch = getopt(argc, argv, "abdhstVwDo:S:T:")) != EOF) {
+		switch (ch) {
+		case 'a':
+			kparam.boothowto &= ~(RB_SINGLE);
+			kparam.boothowto |= RB_AUTOBOOT;
+			break;
+		case 'b':
+			kparam.boothowto |= RB_ASKNAME;
+			break;
+		case 'd':
+			kparam.boothowto |= RB_KDB;
+			break;
+		case 'D':
+			d_flag = 1;
+			break;
+		case 'h':
+			h_flag = 1;
+			break;
+		case 'o':
+			redirect_output(optarg);
+			break;
+		case 's':
+			s_flag = 1;
+			break;
+		case 'S':
+			kparam.stmem_size = atoi(optarg);
+			break;
+		case 't':
+			t_flag = 1;
+			break;
+		case 'T':
+			kparam.ttmem_size = atoi(optarg);
+			break;
+		case 'V':
+			v_flag = 1;
+			break;
+		case 'w':
+			set_wait_for_key();
+			break;
+		default:
+			usage();
+		}
+	}
+	argc -= optind;
+	argv += optind;
+	if (argc == 1)
+		strcpy(kname, argv[0]);
+
+	if (h_flag)
+		help();
+	if (v_flag)
+		eprintf("%s\r\n", version);
+
+	/*
+	 * Get system info to pass to NetBSD
+	 */
+	get_sys_info();
+
+	/*
+	 * Find the kernel to boot and read it's exec-header
+	 */
+	if ((fd = open(kname, O_RDONLY)) < 0)
+		fatal(-1, "Cannot open kernel '%s'", kname);
+	if (read(fd, (char *)&ehdr, sizeof(ehdr)) != sizeof(ehdr))
+		fatal(-1, "Cannot read exec-header of '%s'", kname);
+	if (N_MAGIC(ehdr) != NMAGIC)
+		fatal(-1, "Not an NMAGIC file '%s'", kname);
+
+	/*
+	 * Extract various sizes from the kernel executable
+	 */
+	textsz          = (ehdr.a_text + __LDPGSZ - 1) & ~(__LDPGSZ - 1);
+	kparam.esym_loc = 0;
+	kparam.ksize    = textsz + ehdr.a_data + ehdr.a_bss;
+	kparam.entry    = ehdr.a_entry;
+
+	if (ehdr.a_syms) {
+	  if (lseek(fd,ehdr.a_text+ehdr.a_data+ehdr.a_syms+sizeof(ehdr),0) <= 0)
+		fatal(-1, "Cannot seek to string table in '%s'", kname);
+	  if (read(fd, (char *)&stringsz, sizeof(long)) != sizeof(long))
+		fatal(-1, "Cannot read string-table size");
+	  if (lseek(fd, sizeof(ehdr), 0) <= 0)
+		fatal(-1, "Cannot seek back to text start");
+	  kparam.ksize += ehdr.a_syms + sizeof(long) + stringsz;
+	}
+
+	if ((kparam.kp = (u_char *)malloc(kparam.ksize)) == NULL)
+		fatal(-1, "Cannot malloc kernel image space");
+
+	/*
+	 * Read text & data, clear bss
+	 */
+	if ((read(fd, (char *)kparam.kp, ehdr.a_text) != ehdr.a_text)
+	    || (read(fd,(char *)(kparam.kp+textsz),ehdr.a_data) != ehdr.a_data))
+		fatal(-1, "Unable to read kernel image\n");
+	memset(kparam.kp + textsz + ehdr.a_data, 0, ehdr.a_bss);
+
+	/*
+	 * Read symbol and string table
+	 */
+	if (ehdr.a_syms) {
+		long	*p;
+
+		p = (long *)(kparam.kp + textsz + ehdr.a_data + ehdr.a_bss);
+		*p++ = ehdr.a_syms;
+		if (read(fd, (char *)p, ehdr.a_syms) != ehdr.a_syms)
+			fatal(-1, "Cannot read symbol table\n");
+		p = (long *)((char *)p + ehdr.a_syms);
+		if (read(fd, (char *)p, stringsz) != stringsz)
+			fatal(-1, "Cannot read string table\n");
+		kparam.esym_loc = (long)((char *)p-(char *)kparam.kp +stringsz);
+	}
+
+	if (d_flag) {
+	    eprintf("\r\nKernel info:\r\n");
+	    eprintf("Kernel loadaddr\t: 0x%08x\r\n", kparam.kp);
+	    eprintf("Kernel size\t: %10d bytes\r\n", kparam.ksize);
+	    eprintf("Kernel entry\t: 0x%08x\r\n", kparam.entry);
+	    eprintf("Kernel esym\t: 0x%08x\r\n", kparam.esym_loc);
+	}
+
+	if (!t_flag)
+		start_kernel();
+		/* NOT REACHED */
+
+	eprintf("Kernel '%s' was loaded OK\r\n", kname);
+	xexit(0);
+}
+
+/*
+ * Extract memory and cpu/fpu info from system.
+ */
+void
+get_sys_info()
+{
+	long	stck;
+	long	*jar;
+	OSH	*oshdr;
+
+	kparam.bootflags = 0;
+
+	stck = Super(0);
+
+	/*
+	 * Some GEMDOS versions use a different year-base in the RTC.
+	 */
+	oshdr = *ADDR_OSHEAD;
+	oshdr = oshdr->os_beg;
+	if ((oshdr->os_version > 0x0300) && (oshdr->os_version < 0x0306))
+		kparam.bootflags |= ATARI_CLKBROKEN;
+
+	if (kparam.stmem_size <= 0)
+		kparam.stmem_size  = *ADDR_PHYSTOP;
+
+	if (kparam.ttmem_size)
+		kparam.ttmem_start  = TTRAM_BASE;
+	else {
+		if (!s_flag && (*ADDR_CHKRAMTOP == RAM_TOP_MAGIC)) {
+			kparam.ttmem_size  = *ADDR_RAMTOP;
+			if (kparam.ttmem_size > TTRAM_BASE) {
+				kparam.ttmem_size  -= TTRAM_BASE;
+				kparam.ttmem_start  = TTRAM_BASE;
+			}
+			else kparam.ttmem_size = 0;
+		}
+	}
+
+	/*
+	 * Scan cookiejar for cpu types
+	 */
+	jar = *ADDR_P_COOKIE;
+	if (jar != NULL) {
+		do {
+			if (jar[0] == 0x5f435055) { /* _CPU	*/
+				switch (jar[1]) {
+					case 0:
+						kparam.bootflags |= ATARI_68000;
+						break;
+					case 10:
+						kparam.bootflags |= ATARI_68010;
+						break;
+					case 20:
+						kparam.bootflags |= ATARI_68020;
+						break;
+					case 30:
+						kparam.bootflags |= ATARI_68030;
+						break;
+					case 40:
+						kparam.bootflags |= ATARI_68040;
+						break;
+					default:
+						fatal(-1, "Unknown CPU-type");
+				}
+			}
+			if (jar[0] == 0x42504658) { /* BPFX	*/
+				unsigned long	*p;
+
+				p = (unsigned long*)jar[1];
+
+				kparam.ttmem_start = p[1];
+				kparam.ttmem_size  = p[2];
+			}
+			jar = &jar[2];
+		} while (jar[-2]);
+	}
+	if (!(kparam.bootflags & ATARI_ANYCPU))
+		fatal(-1, "Cannot determine CPU-type");
+
+	(void)Super(stck);
+
+	if (d_flag) {
+	    eprintf("Machine info:\r\n");
+	    eprintf("ST-RAM size\t: %10d bytes\r\n",kparam.stmem_size);
+	    eprintf("TT-RAM size\t: %10d bytes\r\n",kparam.ttmem_size);
+	    eprintf("TT-RAM start\t: 0x%08x\r\n", kparam.ttmem_start);
+	    eprintf("Cpu-type\t: 0x%08x\r\n", kparam.bootflags);
+	}
+}
+
+void
+help()
+{
+	eprintf("\r
+NetBSD loader for the Atari-TT\r
+\r
+Usage: %s [-abdhstVD] [-S <stram-size>] [-T <ttram-size>] [kernel]\r
+\r
+Description of options:\r
+\r
+\t-a  Boot up to multi-user mode.\r
+\t-b  Ask for root device to use.\r
+\t-d  Enter kernel debugger.\r
+\t-D  printout debug information while loading\r
+\t-h  What your getting right now.\r
+\t-o  Write output to both <output file> and stdout.\r
+\t-s  Use only ST-compatible RAM\r
+\t-S  Set amount of ST-compatible RAM\r
+\t-T  Set amount of TT-compatible RAM\r
+\t-t  Test the loader. It will do everything except executing the\r
+\t    loaded kernel.\r
+\t-V  Print loader version.\r
+\t-w  Wait for a keypress before exiting.\r
+", Progname);
+	xexit(0);
+}
+
+void
+usage()
+{
+	eprintf("Usage: %s [-abdhstVD] [-S <stram-size>] "
+		"[-T <ttram-size>] [kernel]\r\n", Progname);
+	xexit(1);
+}
+
+void
+start_kernel()
+{
+	long	stck;
+
+	stck = Super(0);
+	bsd_startup(&kparam);
+	/* NOT REACHED */
+
+	(void)Super(stck);
+}