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-rw-r--r--sys/arch/i386/stand/Makefile.inc8
-rw-r--r--sys/arch/i386/stand/biosboot/biosboot.S19
-rw-r--r--sys/arch/i386/stand/boot/conf.c4
-rw-r--r--sys/arch/i386/stand/installboot/installboot.c16
-rw-r--r--sys/arch/i386/stand/libsa/apmprobe.c22
-rw-r--r--sys/arch/i386/stand/libsa/bioscons.c14
-rw-r--r--sys/arch/i386/stand/libsa/biosdev.c66
-rw-r--r--sys/arch/i386/stand/libsa/debug.c85
-rw-r--r--sys/arch/i386/stand/libsa/debug.h5
-rw-r--r--sys/arch/i386/stand/libsa/debug_i386.S79
-rw-r--r--sys/arch/i386/stand/libsa/debug_md.h10
-rw-r--r--sys/arch/i386/stand/libsa/dev_i386.c25
-rw-r--r--sys/arch/i386/stand/libsa/diskprobe.c18
-rw-r--r--sys/arch/i386/stand/libsa/gidt.S42
-rw-r--r--sys/arch/i386/stand/libsa/machdep.c4
-rw-r--r--sys/arch/i386/stand/libsa/memprobe.c43
-rw-r--r--sys/arch/i386/stand/libsa/smpprobe.c76
-rw-r--r--sys/arch/i386/stand/libsa/time.c10
18 files changed, 327 insertions, 219 deletions
diff --git a/sys/arch/i386/stand/Makefile.inc b/sys/arch/i386/stand/Makefile.inc
index 22c50bb0b6c..59b4b99780c 100644
--- a/sys/arch/i386/stand/Makefile.inc
+++ b/sys/arch/i386/stand/Makefile.inc
@@ -1,13 +1,13 @@
-# $OpenBSD: Makefile.inc,v 1.19 1998/03/18 03:09:51 mickey Exp $
+# $OpenBSD: Makefile.inc,v 1.20 1998/04/18 07:39:32 deraadt Exp $
CFLAGS=${DEBUG} -O2 -Wall -Werror
CPPFLAGS+=-I${S} -I${SADIR}/libsa -I. -I${.CURDIR}
SACFLAGS=-nostdinc -fno-builtin -fpack-struct
SACFLAGS+=-D_STANDALONE
# CPPFLAGS+=-DSAVE_MEMORY
-# DEBUGFLAGS=-DDEBUG
-# DEBUGFLAGS+=-DGIDT_DEBUG
-# DEBUGFLAGS+=-DBIOS_DEBUG
+DEBUGFLAGS=-DDEBUG
+DEBUGFLAGS+=-DGIDT_DEBUG
+DEBUGFLAGS+=-DBIOS_DEBUG
# DEBUGFLAGS+=-DEXEC_DEBUG
# DEBUGFLAGS+=-DALLOC_TRACE
# DEBUGFLAGS+=-D_TEST
diff --git a/sys/arch/i386/stand/biosboot/biosboot.S b/sys/arch/i386/stand/biosboot/biosboot.S
index 227435b71a8..4f08c311b03 100644
--- a/sys/arch/i386/stand/biosboot/biosboot.S
+++ b/sys/arch/i386/stand/biosboot/biosboot.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: biosboot.S,v 1.26 1998/04/13 00:37:41 deraadt Exp $ */
+/* $OpenBSD: biosboot.S,v 1.27 1998/04/18 07:39:35 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff, Tobias Weingartner
@@ -39,7 +39,7 @@
#define addr32 .byte 0x67
#define data32 .byte 0x66
-#define BLKCNT 14 /* Max without colliding with the partition table */
+#define BLKCNT 12 /* Max without colliding with the partition table */
#define BOOTSEG 0x07c0 /* boot loaded here */
#define BOOTSTACK 0xfffc /* stack starts here */
@@ -54,7 +54,7 @@
/* Clobbers %esi - maybe more */
#define puts(s) \
- data32; \
+ data32; \
movl $s, %esi; \
.byte 0xe8; \
.word Lmessage - . - 2
@@ -132,7 +132,7 @@ load_msg:
popl %dx
#endif
-#ifdef DEBUG
+#ifdef BDEBUG
putc('R')
#endif
@@ -156,6 +156,7 @@ load_msg:
1:
pushl %cx
+ putc('.') /* show progress indicator */
cld
lodsl /* word */ /* cylinder/sector */
movl %ax, %cx
@@ -173,10 +174,10 @@ load_msg:
2: .asciz "\r\nRead error\r\n"
3: /* read next block */
- putc('.') /* show progress indicator */
popl %ax
- movzbl %al, %ax
+ data32
+ movzbl %al, %eax
shll $9, %ax /* 512 bytes sectors */
addl %ax, %bx
popl %cx
@@ -206,7 +207,7 @@ halt:
* is supposed to go. Screw it, just assume that the image
* is sane.
*/
-#ifdef DEBUG
+#ifdef BDEBUG
putc('P')
#endif
@@ -236,7 +237,7 @@ halt:
* 32bit mode
* set up %ds, %ss, %es, etc
*/
- movw $0x10, %eax
+ movl $0x10, %eax
movl %ax, %ds
movl %ax, %ss
movl %ax, %es
@@ -244,7 +245,7 @@ halt:
movl %ax, %gs
movl $BOOTSTACK, %esp
-#ifdef DEBUG
+#ifdef BDEBUG
movl $0xb8004, %ebx
movl $0x074f0747, (%ebx)
#endif
diff --git a/sys/arch/i386/stand/boot/conf.c b/sys/arch/i386/stand/boot/conf.c
index 7b6c4629986..6b8283bdc94 100644
--- a/sys/arch/i386/stand/boot/conf.c
+++ b/sys/arch/i386/stand/boot/conf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf.c,v 1.11 1998/02/24 22:06:40 weingart Exp $ */
+/* $OpenBSD: conf.c,v 1.12 1998/04/18 07:39:37 deraadt Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
@@ -47,7 +47,7 @@
#include <biosdev.h>
#include <dev/cons.h>
-const char version[] = "1.20";
+const char version[] = "1.23";
int debug;
struct fs_ops file_system[] = {
diff --git a/sys/arch/i386/stand/installboot/installboot.c b/sys/arch/i386/stand/installboot/installboot.c
index 18030a03c85..c1a6aca4c0f 100644
--- a/sys/arch/i386/stand/installboot/installboot.c
+++ b/sys/arch/i386/stand/installboot/installboot.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: installboot.c,v 1.29 1998/04/02 10:50:31 deraadt Exp $ */
+/* $OpenBSD: installboot.c,v 1.30 1998/04/18 07:39:38 deraadt Exp $ */
/* $NetBSD: installboot.c,v 1.5 1995/11/17 23:23:50 gwr Exp $ */
/*
@@ -444,8 +444,6 @@ loadblocknums(boot, devfd, dl)
ndb = howmany(ip->di_size, fs->fs_bsize);
if (ndb <= 0)
errx(1, "No blocks to load");
- if (ndb > maxblocknum)
- errx(1, "Too many blocks");
if (verbose)
fprintf(stderr, "Will load %d blocks of size %d each.\n",
ndb, fs->fs_bsize);
@@ -465,9 +463,12 @@ loadblocknums(boot, devfd, dl)
*/
ap = ip->di_db;
bt = block_table_p;
- for (i = 0; i < NDADDR && *ap && ndb; i++, ap++, ndb--)
+ for (i = 0; i < NDADDR && *ap && ndb; i++, ap++, ndb--) {
bt += record_block(bt, pl->p_offset + fsbtodb(fs, *ap),
fs->fs_bsize / 512, dl);
+ if ((bt - block_table_p) / 4 > maxblocknum)
+ errx(1, "Too many blocks");
+ }
if (ndb != 0) {
/*
@@ -478,9 +479,12 @@ loadblocknums(boot, devfd, dl)
devread(devfd, buf, pl->p_offset + blk, fs->fs_bsize,
"indirect block");
ap = (daddr_t *)buf;
- for (; i < NINDIR(fs) && *ap && ndb; i++, ap++, ndb--)
+ for (; i < NINDIR(fs) && *ap && ndb; i++, ap++, ndb--) {
bt += record_block(bt, pl->p_offset + fsbtodb(fs, *ap),
fs->fs_bsize / 512, dl);
+ if ((bt - block_table_p) / 4 > maxblocknum)
+ errx(1, "Too many blocks");
+ }
}
/* write out remaining piece */
@@ -488,6 +492,8 @@ loadblocknums(boot, devfd, dl)
/* and again */
bt += record_block(bt, 0, 0, dl);
*block_count_p = (bt - block_table_p) / 4;
+ if (*block_count_p > maxblocknum)
+ errx(1, "Too many blocks");
if (verbose)
fprintf(stderr, "%s: %d entries total\n",
diff --git a/sys/arch/i386/stand/libsa/apmprobe.c b/sys/arch/i386/stand/libsa/apmprobe.c
index aee1192594c..049c503f8f1 100644
--- a/sys/arch/i386/stand/libsa/apmprobe.c
+++ b/sys/arch/i386/stand/libsa/apmprobe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: apmprobe.c,v 1.4 1998/02/24 22:06:44 weingart Exp $ */
+/* $OpenBSD: apmprobe.c,v 1.5 1998/04/18 07:39:40 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -62,6 +62,8 @@
#include <machine/biosvar.h>
#include "debug.h"
+extern int debug;
+
static __inline u_int
apm_check()
{
@@ -77,8 +79,9 @@ apm_check()
: "%ecx", "cc");
if (f || BIOS_regs.biosr_bx != 0x504d /* "PM" */ ) {
#ifdef DEBUG
- printf("apm_check: %x, %x, %x\n",
- f, BIOS_regs.biosr_bx, detail);
+ if (debug)
+ printf("apm_check: %x, %x, %x\n",
+ f, BIOS_regs.biosr_bx, detail);
#endif
return 0;
} else
@@ -136,11 +139,14 @@ apmprobe()
if (apm_connect(&ai) != 0)
printf(": connect error\n");
#ifdef DEBUG
- printf(": %x text=%x/%x[%x] data=%x[%x] @ %x",
- ai.apm_detail, ai.apm_code32_base,
- ai.apm_code16_base, ai.apm_code_len,
- ai.apm_data_base, ai.apm_data_len,
- ai.apm_entry);
+ if (debug)
+ printf(": %x text=%x/%x[%x] data=%x[%x] @ %x",
+ ai.apm_detail, ai.apm_code32_base,
+ ai.apm_code16_base, ai.apm_code_len,
+ ai.apm_data_base, ai.apm_data_len,
+ ai.apm_entry);
+ else
+ printf(" apm");
#else
printf(" apm");
#endif
diff --git a/sys/arch/i386/stand/libsa/bioscons.c b/sys/arch/i386/stand/libsa/bioscons.c
index 0055ba62b5a..83b85799f5c 100644
--- a/sys/arch/i386/stand/libsa/bioscons.c
+++ b/sys/arch/i386/stand/libsa/bioscons.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bioscons.c,v 1.13 1997/10/24 22:21:15 mickey Exp $ */
+/* $OpenBSD: bioscons.c,v 1.14 1998/04/18 07:39:41 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -42,6 +42,7 @@
#include <i386/isa/nvram.h>
#include <dev/cons.h>
#include <lib/libsa/stand.h>
+#include "debug.h"
int comspeed __P((dev_t, int));
@@ -67,6 +68,11 @@ void
pc_probe(cn)
struct consdev *cn;
{
+ cn->cn_pri = CN_INTERNAL;
+ cn->cn_dev = makedev(12, 0);
+ printf("pc%d detected\n", minor(cn->cn_dev));
+
+#if 0
outb(IO_RTC, NVRAM_EQUIPMENT);
if ((inb(IO_RTC+1) & PRESENT_MASK) == PRESENT_MASK) {
cn->cn_pri = CN_INTERNAL;
@@ -74,6 +80,7 @@ pc_probe(cn)
cn->cn_dev = makedev(12, 0);
printf("pc%d detected\n", minor(cn->cn_dev));
}
+#endif
}
void
@@ -109,7 +116,7 @@ pc_putc(dev, c)
"%ecx", "%edx", "cc" );
}
-static const int comports[4] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
+const int comports[4] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
void
com_probe(cn)
@@ -162,12 +169,12 @@ com_getc(dev)
}
/* call with sp == 0 to query the current speed */
+int com_speed = 9600; /* default speed is 9600 baud */
int
comspeed(dev, sp)
dev_t dev;
int sp;
{
- static int com_speed = 9600; /* default speed is 9600 baud */
int i, newsp;
int err;
@@ -223,3 +230,4 @@ com_putc(dev, c)
__asm __volatile(DOINT(0x14) : "=a" (rv) :
"d" (minor(dev)), "0" (c | 0x100) : "%ecx", "cc" );
}
+
diff --git a/sys/arch/i386/stand/libsa/biosdev.c b/sys/arch/i386/stand/libsa/biosdev.c
index cb5e4a6599b..899a7dc50e0 100644
--- a/sys/arch/i386/stand/libsa/biosdev.c
+++ b/sys/arch/i386/stand/libsa/biosdev.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: biosdev.c,v 1.50 1998/02/24 22:06:46 weingart Exp $ */
+/* $OpenBSD: biosdev.c,v 1.51 1998/04/18 07:39:42 deraadt Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
@@ -93,7 +93,8 @@ bios_getdiskinfo(dev, pdi)
biosdreset(dev);
#ifdef BIOS_DEBUG
- printf("getinfo: try #8, %x,%p\n", dev, pdi);
+ if (debug)
+ printf("getinfo: try #8, %x,%p\n", dev, pdi);
#endif
__asm __volatile (DOINT(0x13) "\n\t"
"setc %b0; movzbl %h1, %1\n\t"
@@ -105,9 +106,11 @@ bios_getdiskinfo(dev, pdi)
: "0" (0x0800), "1" (dev) : "cc");
#ifdef BIOS_DEBUG
- printf("getinfo: got #8\n");
- printf("disk 0x%x: %d,%d,%d\n", dev, pdi->bios_cylinders,
- pdi->bios_heads, pdi->bios_sectors);
+ if (debug) {
+ printf("getinfo: got #8\n");
+ printf("disk 0x%x: %d,%d,%d\n", dev, pdi->bios_cylinders,
+ pdi->bios_heads, pdi->bios_sectors);
+ }
#endif
if (rv & 0xff)
return(1);
@@ -264,7 +267,9 @@ biosd_io(rw, dev, cyl, head, sect, nsect, buf)
default: /* All other errors */
#ifdef BIOS_DEBUG
- printf("\nBIOS error 0x%x (%s)\n", error, biosdisk_err(error));
+ if (debug)
+ printf("\nBIOS error 0x%x (%s)\n",
+ error, biosdisk_err(error));
#endif
biosdreset(dev);
break;
@@ -455,11 +460,7 @@ biosopen(struct open_file *f, ...)
return 0;
}
-static const char *
-biosdisk_err(error)
- u_int error;
-{
- static const u_char errs[] =
+const u_char bidos_errs[] =
/* ignored "\x00" "successful completion\0" */
"\x01" "invalid function/parameter\0"
"\x02" "address mark not found\0"
@@ -494,7 +495,12 @@ biosdisk_err(error)
"\xE0" "status register error\0"
"\xFF" "sense operation failed\0"
"\x00" "\0";
- register const u_char *p = errs;
+
+static const char *
+biosdisk_err(error)
+ u_int error;
+{
+ register const u_char *p = bidos_errs;
while (*p && *p != error)
while(*p++);
@@ -502,28 +508,28 @@ biosdisk_err(error)
return ++p;
}
+const struct biosdisk_errors {
+ u_char error;
+ u_char errno;
+} tab[] = {
+ { 0x01, EINVAL },
+ { 0x03, EROFS },
+ { 0x08, EINVAL },
+ { 0x09, EINVAL },
+ { 0x0A, EBSE },
+ { 0x0B, EBSE },
+ { 0x0C, ENXIO },
+ { 0x0D, EINVAL },
+ { 0x10, EECC },
+ { 0x20, EHER },
+ { 0x31, ENXIO },
+ { 0x32, ENXIO },
+ { 0x00, EIO }
+};
static int
biosdisk_errno(error)
u_int error;
{
- static const struct biosdisk_errors {
- u_char error;
- u_char errno;
- } tab[] = {
- { 0x01, EINVAL },
- { 0x03, EROFS },
- { 0x08, EINVAL },
- { 0x09, EINVAL },
- { 0x0A, EBSE },
- { 0x0B, EBSE },
- { 0x0C, ENXIO },
- { 0x0D, EINVAL },
- { 0x10, EECC },
- { 0x20, EHER },
- { 0x31, ENXIO },
- { 0x32, ENXIO },
- { 0x00, EIO }
- };
register const struct biosdisk_errors *p;
if (!error)
diff --git a/sys/arch/i386/stand/libsa/debug.c b/sys/arch/i386/stand/libsa/debug.c
index ebe06e638bb..8c68fc4afd5 100644
--- a/sys/arch/i386/stand/libsa/debug.c
+++ b/sys/arch/i386/stand/libsa/debug.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: debug.c,v 1.4 1997/07/17 22:50:01 mickey Exp $ */
+/* $OpenBSD: debug.c,v 1.5 1998/04/18 07:39:44 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -34,6 +34,15 @@
#include <lib/libsa/stand.h>
#include <debug.h>
+#include <dev/cons.h>
+
+#ifdef __STDC__
+void dprintf __P((const char *fmt, ...));
+#else
+void dprintf ();
+#endif
+
+#define VBASE (0xb8000)
char *const reg_names[] = { REG_NAMES };
const int nreg = NENTS(reg_names);
@@ -41,27 +50,83 @@ struct reg reg;
u_int32_t *const reg_values[] = { REG_VALUES(reg) };
char *const trap_names[] = { TRAP_NAMES };
+void d_putc __P((dev_t, int));
+
+#ifdef DEBUG_DEBUG
+#define CKPT(c) (*(u_short volatile *)(VBASE+160) = (0x1700 | (c)))
+#else
+#define CKPT(c) /* c */
+#endif
+
int
debug_init()
{
return 0;
}
+
void
-dump_regs(trapno)
- int trapno;
+dump_regs(trapno, arg)
+ u_int trapno, arg;
{
- int i;
+ register int i;
+ /* make it local, so it won't rely on .data/.bss corruption */
+ struct consdev d_cons, *save_cons;
+
+ /* init cons mod */
+ save_cons = cn_tab;
+ bzero(&d_cons, sizeof(d_cons));
+ d_cons.cn_putc = &d_putc;
+ cn_tab = &d_cons;
+
+ /* Trap info */
+ printf("\ftrap: %u(%0x): %s\ncn_tab=%p\n",
+ trapno, arg, trap_names[trapno], save_cons);
- printf("trap: %s\n", trap_names[trapno]);
- for (i = 0; i < nreg; putchar((++i % 4)?' ':'\n'))
- printf ("%s=0x%x", reg_names[i], *reg_values[i]);
- if (i % 4)
- putchar('\n');
+ /* Register dump */
+ for(i = 1; i <= nreg; i++)
+ printf("%s\t%0x%c", reg_names[i-1], *reg_values[i-1],
+ ((i%4)? ' ': '\n'));
+
+ dump_mem("Code dump", (void *)*reg_values[8], 8);
+ /* %ebx (void*)((*reg_values[3] + 15) & ~0x0F) */
+ dump_mem("Memory dump", (void *)0x1a000, 48);
+ dump_mem("Stack trace", (void *)(*reg_values[4]), 48);
+
+ /* restore the console */
+ cn_tab = save_cons;
}
void
-dump_mem()
+dump_mem(l, p, n)
+ char *l;
+ void *p;
+ size_t n;
{
+ register int i;
+ printf("%s [%p]:%s", l, p, (n > 6? "\n":" "));
+ for(i = 1; i <= n; i++)
+ printf("%0x%c", *(u_int32_t *)p++, ((i%8)? ' ': '\n'));
+ if (n % 8)
+ printf ("\n");
+}
+
+u_int d_pos;
+
+void
+d_putc(d, c)
+ dev_t d;
+ int c;
+{
+ switch (c) {
+ case '\n': d_pos += 80; break;
+ case '\r': d_pos -= d_pos % 80; break;
+ case '\b': d_pos--; break;
+ case '\f': bzero((void *)VBASE, 80*25*2); d_pos = 0; break;
+ /* print it */
+ default:
+ ((u_int16_t volatile *)VBASE)[d_pos++] = 0x0700 | (u_char)c;
+ break;
+ }
}
diff --git a/sys/arch/i386/stand/libsa/debug.h b/sys/arch/i386/stand/libsa/debug.h
index 5f169b8d628..67fc9addb71 100644
--- a/sys/arch/i386/stand/libsa/debug.h
+++ b/sys/arch/i386/stand/libsa/debug.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: debug.h,v 1.3 1997/07/17 22:50:01 mickey Exp $ */
+/* $OpenBSD: debug.h,v 1.4 1998/04/18 07:39:45 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -39,4 +39,5 @@ extern char *const reg_names[];
extern const size_t nregs;
int debug_init __P((void));
-
+void dump_regs __P((u_int, u_int));
+void dump_mem __P((char *, void *, size_t));
diff --git a/sys/arch/i386/stand/libsa/debug_i386.S b/sys/arch/i386/stand/libsa/debug_i386.S
index 35da12bed59..ffce538bade 100644
--- a/sys/arch/i386/stand/libsa/debug_i386.S
+++ b/sys/arch/i386/stand/libsa/debug_i386.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: debug_i386.S,v 1.8 1998/02/24 22:06:48 weingart Exp $ */
+/* $OpenBSD: debug_i386.S,v 1.9 1998/04/18 07:39:46 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -40,30 +40,37 @@
#include <debug_md.h>
#undef _LOCORE
+ /* do this way because some cpus (like cyrix 6x86) store garbage
+ * into high word, instead of zeroes.
+ */
+#define pushsr(sr) movl sr, %eax; pushl %eax
+
.text
.globl alltraps
alltraps:
pushal
- pushl %ds
- pushl %es
- pushl %fs
- pushl %gs
-#ifdef DEBUG
+ pushsr(%ds)
+ pushsr(%es)
+ pushsr(%fs)
+ pushsr(%gs)
+ /* muck %cs, see note about pushsr() above */
+ movl 0xf*4(%esp), %eax
+ movzwl %ax, %eax
+ movl %eax, 0xf*4(%esp)
+#ifdef DEBUG_DEBUG
movl $0xb8280, %edi
- movl 0x0c*4(%esp), %eax # trapno
+ movl 0x0c*4(%esp), %eax /* trapno */
addb $'0', %al
movb $0x17, %ah
shll $16, %eax
- movb 0x0d*4(%esp), %al # error
- addl $'0', %al
+ movb 0x0d*4(%esp), %al /* error */
+ addb $'0', %al
movb $0x17, %ah
- movl %ax, (%edi)
- hlt
+ movl %eax, (%edi)
#endif
- call _check_regs
-1:
-#ifdef DEBUG
+ call _C_LABEL(check_regs)
+#ifdef DEBUG_DEBUG
movl $0xb8290, %edi
movl $0x47394738, (%edi)
#endif
@@ -77,41 +84,45 @@ alltraps:
iret
ENTRY(check_regs)
-#ifdef DEBUG
+#ifdef DEBUG_DEBUG
movl $0xb8284, %edi
movl $0x47334732, (%edi)
#endif
movl $0x10, %eax
movl %ax, %ds
+ movl %ax, %es
movl $_reg, %edi
cld
- movl 0x0c*4(%esp), %eax; stosl # %eax
- movl 0x0b*4(%esp), %eax; stosl # %ecx
- movl 0x0a*4(%esp), %eax; stosl # %edx
- movl 0x09*4(%esp), %eax; stosl # %ebx
- movl 0x08*4(%esp), %eax; stosl # %esp
- movl 0x07*4(%esp), %eax; stosl # %ebp
- movl 0x06*4(%esp), %eax; stosl # %esi
- movl 0x05*4(%esp), %eax; stosl # %edi
- movl 0x0f*4(%esp), %eax; stosl # %eip
- movl 0x11*4(%esp), %eax; stosl # %eflags
- movl 0x10*4(%esp), %eax; stosl # %cs
- movl %ss, %eax; stosl # %ss
- movl 0x04*4(%esp), %eax; stosl # %ds
- movl 0x03*4(%esp), %eax; stosl # %es
- movl 0x02*4(%esp), %eax; stosl # %fs
- movl 0x01*4(%esp), %eax; stosl # %gs
+ movl 0x0c*4(%esp), %eax; stosl /* %eax */
+ movl 0x0b*4(%esp), %eax; stosl /* %ecx */
+ movl 0x0a*4(%esp), %eax; stosl /* %edx */
+ movl 0x09*4(%esp), %eax; stosl /* %ebx */
+ movl 0x08*4(%esp), %eax; stosl /* %esp */
+ movl 0x07*4(%esp), %eax; stosl /* %ebp */
+ movl 0x06*4(%esp), %eax; stosl /* %esi */
+ movl 0x05*4(%esp), %eax; stosl /* %edi */
+ movl 0x0f*4(%esp), %eax; stosl /* %eip */
+ movl 0x11*4(%esp), %eax; stosl /* %eflags */
+ movl 0x10*4(%esp), %eax; stosl /* %cs */
+ movl %ss, %ax ; stosl /* %ss */
+ movl 0x04*4(%esp), %eax; stosl /* %ds */
+ movl 0x03*4(%esp), %eax; stosl /* %es */
+ movl 0x02*4(%esp), %eax; stosl /* %fs */
+ movl 0x01*4(%esp), %eax; stosl /* %gs */
-#ifdef DEBUG
+#ifdef DEBUG_DEBUG
movl $0xb8288, %edi
movl $0x47354734, (%edi)
#endif
- movl 0x0d*4(%esp), %eax # trapno
+ movl 0x0e*4(%esp), %ecx /* error */
+ movl 0x0d*4(%esp), %eax /* trapno */
+ pushl %ecx
pushl %eax
call _C_LABEL(dump_regs)
popl %eax
+ popl %eax
-#ifdef DEBUG
+#ifdef DEBUG_DEBUG
movl $0xb828c, %edi
movl $0x47374736, (%edi)
#endif
diff --git a/sys/arch/i386/stand/libsa/debug_md.h b/sys/arch/i386/stand/libsa/debug_md.h
index a6b82672440..b88e4ea1bf3 100644
--- a/sys/arch/i386/stand/libsa/debug_md.h
+++ b/sys/arch/i386/stand/libsa/debug_md.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: debug_md.h,v 1.3 1997/04/09 08:39:34 mickey Exp $ */
+/* $OpenBSD: debug_md.h,v 1.4 1998/04/18 07:39:47 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -33,15 +33,17 @@
*/
#define REG_NAMES \
- "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", \
- "eip", "eflags", "cs", "ss", "ds", "es", "fs", "gs"
+ "eax", "ecx", "edx", "ebx", "esp", \
+ "ebp", "esi", "edi", "eip", "eflags", \
+ "cs", "ss", "ds", "es", "fs", \
+ "gs"
#define REG_VALUES(r) \
&(r).r_eax, &(r).r_ecx, &(r).r_edx, &(r).r_ebx, &(r).r_esp, \
&(r).r_ebp, &(r).r_esi, &(r).r_edi, &(r).r_eip, &(r).r_eflags, \
&(r).r_cs , &(r).r_ss, &(r).r_ds, &(r).r_es, &(r).r_fs, \
&(r).r_gs
#define TRAP_NAMES \
- "privileged instruction", "breakpoint trap", "arithmetic trap", \
+ "invalid opcode fault", "breakpoint trap", "arithmetic trap", \
"asynchronous system trap", "protection fault", "trace trap", \
"page fault", "alignment fault", "integer divide fault", \
"non-maskable interrupt", "overflow trap", "bounds check fault", \
diff --git a/sys/arch/i386/stand/libsa/dev_i386.c b/sys/arch/i386/stand/libsa/dev_i386.c
index 59934b65021..50abdad5277 100644
--- a/sys/arch/i386/stand/libsa/dev_i386.c
+++ b/sys/arch/i386/stand/libsa/dev_i386.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dev_i386.c,v 1.19 1997/08/22 00:38:35 mickey Exp $ */
+/* $OpenBSD: dev_i386.c,v 1.20 1998/04/18 07:39:49 deraadt Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
@@ -115,34 +115,34 @@ devboot(bootdev, p)
*p = '\0';
}
+int pch_pos = 0;
+
void
putchar(c)
- register int c;
+ int c;
{
- static int pos = 0;
-
switch(c) {
case '\177': /* DEL erases */
cnputc('\b');
cnputc(' ');
case '\b':
cnputc('\b');
- if (pos)
- pos--;
+ if (pch_pos)
+ pch_pos--;
break;
case '\t':
do
cnputc(' ');
- while(++pos % 8);
+ while(++pch_pos % 8);
break;
case '\n':
case '\r':
cnputc(c);
- pos=0;
+ pch_pos=0;
break;
default:
cnputc(c);
- pos++;
+ pch_pos++;
break;
}
}
@@ -163,15 +163,14 @@ getchar()
return(c);
}
+char ttyname_buf[8];
char *
ttyname(fd)
int fd;
{
- static char buf[8];
-
- sprintf(buf, "%s%d", cdevs[major(cn_tab->cn_dev)],
+ sprintf(ttyname_buf, "%s%d", cdevs[major(cn_tab->cn_dev)],
minor(cn_tab->cn_dev));
- return (buf);
+ return (ttyname_buf);
}
dev_t
diff --git a/sys/arch/i386/stand/libsa/diskprobe.c b/sys/arch/i386/stand/libsa/diskprobe.c
index 38ef5db6c4c..0aac07f7be4 100644
--- a/sys/arch/i386/stand/libsa/diskprobe.c
+++ b/sys/arch/i386/stand/libsa/diskprobe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: diskprobe.c,v 1.14 1998/02/24 22:06:50 weingart Exp $ */
+/* $OpenBSD: diskprobe.c,v 1.15 1998/04/18 07:39:50 deraadt Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner
@@ -52,11 +52,12 @@
static int disksum __P((int));
/* List of disk devices we found/probed */
-static struct disklist_lh disklist;
+struct disklist_lh disklist;
/* Pointer to boot device */
struct diskinfo *bootdev_dip;
+extern int debug;
/* Probe for all BIOS floppies */
static void
@@ -72,7 +73,8 @@ floppyprobe()
if(bios_getdiskinfo(i, &dip->bios_info)) {
#ifdef BIOS_DEBUG
- printf(" <!fd%u>", i);
+ if (debug)
+ printf(" <!fd%u>", i);
#endif
free(dip, 0);
break;
@@ -108,7 +110,8 @@ hardprobe()
if(bios_getdiskinfo(i, &dip->bios_info)) {
#ifdef BIOS_DEBUG
- printf(" <!hd%u>", i&0x7f);
+ if (debug)
+ printf(" <!hd%u>", i&0x7f);
#endif
free(dip, 0);
break;
@@ -155,6 +158,7 @@ hardprobe()
/* Probe for all BIOS supported disks */
+u_int32_t bios_cksumlen;
void
diskprobe()
{
@@ -163,7 +167,6 @@ diskprobe()
/* These get passed to kernel */
bios_diskinfo_t *bios_diskinfo;
- static u_int32_t bios_cksumlen;
/* Init stuff */
printf("disk:");
@@ -172,7 +175,8 @@ diskprobe()
/* Do probes */
floppyprobe();
#ifdef BIOS_DEBUG
- printf(";");
+ if (debug)
+ printf(";");
#endif
hardprobe();
@@ -256,7 +260,7 @@ bios_dklookup(dev)
* Use the adler32() function from libz,
* as it is quick, small, and available.
*/
-static int
+int
disksum(blk)
int blk;
{
diff --git a/sys/arch/i386/stand/libsa/gidt.S b/sys/arch/i386/stand/libsa/gidt.S
index a3413390ce3..cf119f997cc 100644
--- a/sys/arch/i386/stand/libsa/gidt.S
+++ b/sys/arch/i386/stand/libsa/gidt.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: gidt.S,v 1.20 1998/02/25 12:28:24 mickey Exp $ */
+/* $OpenBSD: gidt.S,v 1.21 1998/04/18 07:39:51 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -53,11 +53,8 @@
#ifdef GIDT_DEBUG
#define gidt_debug0 ; \
movl $0xb8000, %eax ; \
- movl $0x47314730, (%eax) ; \
- movw $S16DATA, %ax
+ movl $0x47314730, (%eax)
#define gidt_debug1 ; \
- movl %ax, %ds ; \
- movl %ax, %es ; \
data32 ; \
movl $(0xb8000 - LINKADDR), %eax ; \
data32 ; \
@@ -89,11 +86,14 @@
#define prot2real \
gidt_debug0; \
\
+ movl $S16DATA, %ax; \
/* ljmp $S16TEXT, $1f */; \
.byte 0xea; /* Change to 16bit mode */ \
.long 1f - LINKADDR; \
.word S16TEXT; \
1: \
+ movl %ax, %ds; \
+ movl %ax, %es; \
gidt_debug1; \
\
movl %cr0, %eax; /* disable pmmm */ \
@@ -106,6 +106,7 @@
.word 1f; \
.word (LINKADDR >> 4); \
1: \
+ data32; \
xorl %eax, %eax; /* setup: %ds, %es, %ss */ \
movl %ax, %ds; \
movl %ax, %es; \
@@ -147,16 +148,16 @@
.globl _C_LABEL(BIOS_regs)
.text
- .globl pmm_init
- .globl __rtt
+ .globl _ASM_LABEL(pmm_init)
+ .globl _C_LABEL(_rtt)
-__rtt:
+ENTRY(_rtt)
#ifdef GIDT_DEBUG
movl $0xb8000, %ebx
movl $0x4f514f51, (%ebx)
#endif
movw $0x1234, %ax
- movw %ax, 0x472 # warm boot
+ movw %ax, 0x472 /* warm boot */
/* Try to use the KBD to reboot system */
movb $0xfe, %al
@@ -183,20 +184,21 @@ __rtt:
int $0x8
/* Again... */
- movl $0, %esp # segment violation
+ movl $0, %esp /* segment violation */
ret
+ .align 3, 0x90
pmm_init:
/* reload new gdt */
lgdt Gdtr
- ljmp $8, $1f
+ ljmp $S32TEXT, $1f
1:
- movw $S32DATA, %ax
- movl %ax, %ds
- movl %ax, %ss
- movl %ax, %es
- movl %ax, %fs
- movl %ax, %gs
+ movl $S32DATA, %eax
+ movl %eax, %ds
+ movl %eax, %ss
+ movl %eax, %es
+ movl %eax, %fs
+ movl %eax, %gs
/* load idtr for interrupts */
lidt Idtr
@@ -233,12 +235,15 @@ Idtr: .word . - idt - 1
.long idt
.word 0
+ .align 3
Idtr_real: .word 1023
.long 0
.word 0
+ .align 3
Idtr_reset: .long 0, 0
+ .align 3
gdt:
/* 0x00 : null */
.space 8
@@ -338,7 +343,8 @@ IEMUENT(44); IEMUENT(45); IEMUENT(46); IEMUENT(47)
* Return: %eax, %edx, %ecx, %eflags (as returned from BIOS)
*
*/
-.globl EMUh
+ .globl EMUh
+ .align 3, 0x90
EMUh:
/* save %eax */
movl %eax, 3f
diff --git a/sys/arch/i386/stand/libsa/machdep.c b/sys/arch/i386/stand/libsa/machdep.c
index 5f4b23ac6a1..50f37b13a12 100644
--- a/sys/arch/i386/stand/libsa/machdep.c
+++ b/sys/arch/i386/stand/libsa/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.24 1998/03/11 02:12:03 deraadt Exp $ */
+/* $OpenBSD: machdep.c,v 1.25 1998/04/18 07:39:53 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -45,6 +45,8 @@ struct BIOS_regs BIOS_regs;
#define CKPT(c) /* c */
#endif
+extern int debug;
+
void
machdep()
{
diff --git a/sys/arch/i386/stand/libsa/memprobe.c b/sys/arch/i386/stand/libsa/memprobe.c
index 1deadbe9616..3927bd83f96 100644
--- a/sys/arch/i386/stand/libsa/memprobe.c
+++ b/sys/arch/i386/stand/libsa/memprobe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: memprobe.c,v 1.26 1998/02/24 22:06:56 weingart Exp $ */
+/* $OpenBSD: memprobe.c,v 1.27 1998/04/18 07:39:54 deraadt Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner, Michael Shalayeff
@@ -198,41 +198,41 @@ bios_int12(mp)
*
* XXX - Does not detect aliased memory.
*/
+const u_int addrprobe_pat[] = {
+ 0x00000000, 0xFFFFFFFF,
+ 0x01010101, 0x10101010,
+ 0x55555555, 0xCCCCCCCC
+};
static int
addrprobe(kloc)
u_int kloc;
{
__volatile u_int *loc;
- static const u_int pat[] = {
- 0x00000000, 0xFFFFFFFF,
- 0x01010101, 0x10101010,
- 0x55555555, 0xCCCCCCCC
- };
register u_int i, ret = 0;
- u_int save[NENTS(pat)];
+ u_int save[NENTS(addrprobe_pat)];
/* Get location */
loc = (int *)(kloc * 1024);
save[0] = *loc;
/* Probe address */
- for(i = 0; i < NENTS(pat); i++){
- *loc = pat[i];
- if(*loc != pat[i])
+ for(i = 0; i < NENTS(addrprobe_pat); i++){
+ *loc = addrprobe_pat[i];
+ if(*loc != addrprobe_pat[i])
ret++;
}
*loc = save[0];
if (!ret) {
/* Write address */
- for(i = 0; i < NENTS(pat); i++) {
+ for(i = 0; i < NENTS(addrprobe_pat); i++) {
save[i] = loc[i];
- loc[i] = pat[i];
+ loc[i] = addrprobe_pat[i];
}
/* Read address */
- for(i = 0; i < NENTS(pat); i++) {
- if(loc[i] != pat[i])
+ for(i = 0; i < NENTS(addrprobe_pat); i++) {
+ if(loc[i] != addrprobe_pat[i])
ret++;
loc[i] = save[i];
}
@@ -274,16 +274,16 @@ badprobe(mp)
return ++mp;
}
+bios_memmap_t bios_memmap[32]; /* This is easier */
void
memprobe()
{
- static bios_memmap_t bm[32]; /* This is easier */
- bios_memmap_t *pm = bm, *im;
+ bios_memmap_t *pm = bios_memmap, *im;
#ifdef DEBUG
printf("Probing memory: ");
#endif
- if(!(pm = bios_E820(bm))) {
- im = bios_int12(bm);
+ if(!(pm = bios_E820(bios_memmap))) {
+ im = bios_int12(bios_memmap);
pm = bios_E801(im);
if (!pm)
pm = bios_8800(im);
@@ -299,13 +299,14 @@ memprobe()
#endif
pm->type = BIOS_MAP_END;
/* Register in global var */
- addbootarg(BOOTARG_MEMMAP, (pm - bm + 1) * sizeof(*bm), bm);
- memory_map = bm; /* XXX for 'machine mem' command only */
+ addbootarg(BOOTARG_MEMMAP,
+ (pm - bios_memmap + 1) * sizeof(*bios_memmap), bios_memmap);
+ memory_map = bios_memmap; /* XXX for 'machine mem' command only */
printf("memory:");
/* XXX - Compatibility, remove later */
extmem = cnvmem = 0;
- for(im = bm; im->type != BIOS_MAP_END; im++) {
+ for(im = bios_memmap; im->type != BIOS_MAP_END; im++) {
/* Count only "good" memory chunks 4K an up in size */
if ((im->type == BIOS_MAP_FREE) && (im->size >= 4)) {
printf(" %luK", (u_long)im->size);
diff --git a/sys/arch/i386/stand/libsa/smpprobe.c b/sys/arch/i386/stand/libsa/smpprobe.c
index 1659acd6651..bad1ba2aa3e 100644
--- a/sys/arch/i386/stand/libsa/smpprobe.c
+++ b/sys/arch/i386/stand/libsa/smpprobe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: smpprobe.c,v 1.1 1998/02/24 22:07:46 weingart Exp $ */
+/* $OpenBSD: smpprobe.c,v 1.2 1998/04/18 07:39:55 deraadt Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner
@@ -36,9 +36,11 @@
#include <machine/biosvar.h>
#include "libsa.h"
+extern int debug;
+
extern u_int cnvmem, extmem;
-#define MP_FLOAT_SIG 0x5F504D5F /* _MP_ */
-#define MP_CONF_SIG 0x504D4350 /* PCMP */
+#define MP_FLOAT_SIG 0x5F504D5F /* _MP_ */
+#define MP_CONF_SIG 0x504D4350 /* PCMP */
typedef struct _mp_float {
u_int32_t signature;
@@ -55,18 +57,16 @@ mp_checksum(ptr, len)
u_int8_t *ptr;
int len;
{
- int i, sum = 0;
+ register int i, sum = 0;
#ifdef DEBUG
printf("Checksum %p for %d\n", ptr, len);
#endif
- for(i = 0; i < len; i++){
+ for (i = 0; i < len; i++)
sum += *(ptr + i);
- }
- sum &= 0xFF;
- return(!sum);
+ return (!(sum & 0xff));
}
@@ -79,7 +79,8 @@ mp_probefloat(ptr, len)
int i;
#ifdef DEBUG
- printf("Checking %p for %d\n", ptr, len);
+ if (debug)
+ printf("Checking %p for %d\n", ptr, len);
#endif
for(i = 0; i < 1024; i++){
mp_float_t *tmp = (mp_float_t*)(ptr + i);
@@ -91,62 +92,51 @@ mp_probefloat(ptr, len)
}
if((tmp->signature == MP_FLOAT_SIG) &&
mp_checksum(tmp, tmp->length*16)){
-
#ifdef DEBUG
- printf("Found valid MP signature at: %p\n", ptr);
+ if (debug)
+ printf("Found valid MP signature at: %p\n", ptr);
#endif
mpp = tmp;
break;
}
}
- return(mpp);
+ return (mpp);
}
void
smpprobe()
{
- u_int32_t *ptr;
- u_int16_t *seg;
mp_float_t *mp = NULL;
/* Check EBDA */
- seg = (void *)((0x40 * 16) + 0x0E); /* 40:0E */
- ptr = (void *)((*seg) * 16); /* Segment => Linear */
- mp = mp_probefloat(ptr, 1024);
-
- /* Check BIOS ROM 0xE0000 - 0xFFFFF */
- ptr = (void *)(0xE0000);
- mp = mp_probefloat(ptr, 0x1FFFF);
- if(mp) goto end;
-
- /* Check last 1K of base RAM */
- ptr = (void *)(cnvmem * 1024);
- mp = mp_probefloat(ptr, 1024);
- if(mp) goto end;
-
- /* Check last 1K of extended RAM */
- ptr = (void *)(extmem * 1024 - 1024); /* XXX */
- mp = mp_probefloat(ptr, 1024);
- if(mp) goto end;
-
- /* No valid MP signature found */
+ if (!(mp = mp_probefloat((void *)((*((u_int32_t*)0x4e)) * 16), 1024)) &&
+ /* Check BIOS ROM 0xE0000 - 0xFFFFF */
+ !(mp = mp_probefloat((void *)(0xE0000), 0x1FFFF)) &&
+ /* Check last 1K of base RAM */
+ !(mp = mp_probefloat((void *)(cnvmem * 1024), 1024)) &&
+ /* Check last 1K of extended RAM XXX */
+ !(mp = mp_probefloat((void *)(extmem * 1024 - 1024), 1024))) {
+ /* No valid MP signature found */
#if DEBUG
- printf("No valid MP signature found.\n");
+ if (debug)
+ printf("No valid MP signature found.\n");
#endif
- return;
+ return;
+ }
/* Valid MP signature found */
-end:
printf(" smp");
#if DEBUG
- printf("Floating Structure:\n");
- printf("\tSignature: %x\n", mp->signature);
- printf("\tConfig at: %x\n", mp->conf_addr);
- printf("\tLength: %d\n", mp->length);
- printf("\tRev: 1.%d\n", mp->spec_rev);
- printf("\tFeature: %x %x %x %x %x\n",
+ if (debug)
+ printf("Floating Structure:\n"
+ "\tSignature: %x\n"
+ "\tConfig at: %x\n"
+ "\tLength: %d\n"
+ "\tRev: 1.%d\n"
+ "\tFeature: %x %x %x %x %x\n",
+ mp->signature, mp->conf_addr, mp->length, mp->spec_rev,
mp->feature[0], mp->feature[1], mp->feature[2],
mp->feature[3], mp->feature[4]);
#endif
diff --git a/sys/arch/i386/stand/libsa/time.c b/sys/arch/i386/stand/libsa/time.c
index b5d1c49b020..cedc53249ea 100644
--- a/sys/arch/i386/stand/libsa/time.c
+++ b/sys/arch/i386/stand/libsa/time.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: time.c,v 1.10 1997/10/12 21:04:23 mickey Exp $ */
+/* $OpenBSD: time.c,v 1.11 1998/04/18 07:39:57 deraadt Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -55,16 +55,16 @@ bcdtoint(c)
/*
* Quick compute of time in seconds since the Epoch
*/
+const u_short monthcount[] = {
+ 0, 0, 31, 59, 90, 120, 151, 181,
+ 212, 243, 273, 304, 334, 365
+};
static __inline time_t
compute(year, month, day, hour, min, sec)
int year;
u_int8_t month, day, hour, min, sec;
{
/* Number of days per month */
- static const u_short monthcount[] = {
- 0, 0, 31, 59, 90, 120, 151, 181,
- 212, 243, 273, 304, 334, 365
- };
register time_t tt;
/* Compute days */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 05:30:19 +0000