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Add support for the memory on the CT2 board. Info from Thomas Goirand.

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This commit is contained in:
leo 1999-05-27 09:08:25 +00:00
parent ccb5b09c4f
commit 88efdc6951
2 changed files with 53 additions and 42 deletions
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90
sys/arch/atari/stand/tostools/loadbsd/loadbsd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: loadbsd.c,v 1.13 1997/11/01 06:49:22 lukem Exp $ */
/* $NetBSD: loadbsd.c,v 1.14 1999/05/27 09:08:25 leo Exp $ */
/*
* Copyright (c) 1995 L. Weppelman
@ -52,7 +52,7 @@ 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: 1.13 $";
const char version[] = "$Revision: 1.14 $";
/*
* Default name of kernel to boot, large enough to patch
@ -151,6 +151,7 @@ char **argv;
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);
@ -187,17 +188,18 @@ char **argv;
* Read symbol and string table
*/
if (ehdr.a_syms) {
long *p;
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);
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);
}
close(fd);
if (d_flag) {
eprintf("\r\nKernel info:\r\n");
@ -259,39 +261,45 @@ get_sys_info()
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;
case 60:
kparam.bootflags |= ATARI_68060;
break;
default:
fatal(-1, "Unknown CPU-type");
}
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;
case 60:
kparam.bootflags |= ATARI_68060;
break;
default:
fatal(-1, "Unknown CPU-type");
}
if (jar[0] == 0x42504658) { /* BPFX */
unsigned long *p;
}
if (jar[0] == 0x42504658) { /* BPFX */
unsigned long *p;
p = (unsigned long*)jar[1];
p = (unsigned long*)jar[1];
kparam.ttmem_start = p[1];
kparam.ttmem_size = p[2];
}
jar = &jar[2];
kparam.ttmem_start = p[1];
kparam.ttmem_size = p[2];
}
if (jar[0] == 0x5f435432) { /* _CT2 */
/*
* The CT2 board has a different physical base address!
*/
kparam.ttmem_start = CTRAM_BASE;
}
jar = &jar[2];
} while (jar[-2]);
}
if (!(kparam.bootflags & ATARI_ANYCPU))

5
sys/arch/atari/stand/tostools/loadbsd/loader.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: loader.h,v 1.6 1996/01/07 22:06:18 leo Exp $ */
/* $NetBSD: loader.h,v 1.7 1999/05/27 09:08:25 leo Exp $ */
/*
* Copyright (c) 1995 L. Weppelman
@ -47,6 +47,9 @@
#endif
#define TTRAM_BASE 0x1000000 /* Fastram always starts here */
#define CTRAM_BASE 0x4000000 /* ... except on CT2 boards: */
/* Logical : TTRAM_BASE */
/* Physical: CTRAM_BASE */
/*
* System var's used in low-memory