Remove unused real-mode APM setup support. We've been using the vm86

mode initialiser for a while now, and it's looking happy.

3 files changed, 17 insertions, 189 deletions

diff --git a/sys/i386/apm/apm.c b/sys/i386/apm/apm.c
index e5953f1..da06805 100644
--- a/sys/i386/apm/apm.c
+++ b/sys/i386/apm/apm.c
@@ -15,7 +15,7 @@
  *
  * Sep, 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
  *
- *	$Id: apm.c,v 1.91 1999/07/22 14:45:22 iwasaki Exp $
+ *	$Id: apm.c,v 1.92 1999/07/28 19:37:32 msmith Exp $
  */
 
 #include "opt_devfs.h"
@@ -44,7 +44,6 @@
 #include <vm/vm_param.h>
 #include <vm/pmap.h>
 #include <sys/syslog.h>
-#include <i386/apm/apm_setup.h>
 
 #include <machine/psl.h>
 #include <machine/vm86.h>
@@ -57,6 +56,18 @@ static int apm_display __P((int newstate));
 static int apm_int __P((u_long *eax, u_long *ebx, u_long *ecx, u_long *edx));
 static void apm_resume __P((void));
 
+extern int apm_bios_call __P((struct apm_bios_arg *));	/* in apm_setup.s */
+
+static u_long	apm_version;
+static u_long	apm_cs_entry;
+static u_short	apm_cs32_base;
+static u_short	apm_cs16_base;
+static u_short	apm_ds_base;
+static u_short	apm_cs32_limit;
+static u_short	apm_cs16_limit;
+static u_short	apm_ds_limit;
+static u_short	apm_flags;
+
 #define APM_NEVENTS 16
 #define APM_NPMEV   13
 
@@ -180,7 +191,7 @@ apm_int(u_long *eax, u_long *ebx, u_long *ecx, u_long *edx)
 {
 	struct apm_bios_arg apa;
 	int cf;
-
+	
 	apa.eax = *eax;
 	apa.ebx = *ebx;
 	apa.ecx = *ecx;
diff --git a/sys/i386/apm/apm_setup.h b/sys/i386/apm/apm_setup.h
deleted file mode 100644
index 8a55593..0000000
--- a/sys/i386/apm/apm_setup.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
- *
- * This software may be used, modified, copied, distributed, and sold,
- * in both source and binary form provided that the above copyright and
- * these terms are retained. Under no circumstances is the author
- * responsible for the proper functioning of this software, nor does
- * the author assume any responsibility for damages incurred with its
- * use.
- *
- * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
- *
- *	$Id: apm_setup.h,v 1.8 1997/03/29 11:06:38 phk Exp $
- */
-
-extern u_long	apm_version;
-extern u_long	apm_cs_entry;
-extern u_short	apm_cs32_base;
-extern u_short	apm_cs16_base;
-extern u_short	apm_ds_base;
-extern u_short	apm_cs32_limit;
-extern u_short	apm_cs16_limit;
-extern u_short	apm_ds_limit;
-extern u_short	apm_flags;
-extern u_short	kernelbase;
-
-int apm_bios_call __P((struct apm_bios_arg *));
diff --git a/sys/i386/apm/apm_setup.s b/sys/i386/apm/apm_setup.s
index 0f7fb5e..21993d9 100644
--- a/sys/i386/apm/apm_setup.s
+++ b/sys/i386/apm/apm_setup.s
@@ -11,13 +11,11 @@
  *
  * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
  *
- *	$Id: apm_setup.s,v 1.12 1997/11/04 18:12:45 nate Exp $
+ *	$Id: apm_setup.s,v 1.13 1998/06/03 01:59:34 msmith Exp $
+ *
+ * This file now contains no setup code.
  */
 
-#include "apm.h"
-  
-#if NAPM > 0
-
 #define ASSEMBLER
 #include "assym.s"                    /* system definitions */
 #include <machine/asmacros.h>         /* miscellaneous asm macros */
@@ -27,160 +25,7 @@
   
 	.file	"apm_setup.s"
 
-	.data
-_apm_init_image:
-	.globl	_apm_init_image
-
-1:
-#include "i386/apm/apm_init/apm_init.inc"
-2:
-
-_apm_init_image_size:
-	.globl	_apm_init_image_size
-	.long	2b - 1b
-
-_apm_version:
-	.globl	_apm_version
-	.long	0
-
-_apm_cs_entry:
-	.globl	_apm_cs_entry
-	.long	0
-
-_apm_cs16_base:
-	.globl	_apm_cs16_base
-	.word	0
-
-_apm_cs32_base:
-	.globl	_apm_cs32_base
-	.word	0
-
-_apm_ds_base:
-	.globl	_apm_ds_base
-	.word	0
-
-_apm_cs32_limit:
-	.globl	_apm_cs32_limit
-	.word	0
-
-_apm_cs16_limit:
-	.globl	_apm_cs16_limit
-	.word	0
-
-_apm_ds_limit:
-	.globl	_apm_ds_limit
-	.word	0
-
-_apm_flags:
-	.globl	_apm_flags
-	.word	0
-	.globl  _apm_current_gdt_pdesc          /* current GDT pseudo desc. */
-_apm_current_gdt_pdesc:
-	.word   0, 0, 0
-
-	.globl  _bootstrap_gdt
-_bootstrap_gdt:
-	.space  SIZEOF_GDT*BOOTSTRAP_GDT_NUM 
-
 	.text
-_apm_setup:
-	.globl	_apm_setup
-
-	/*
-	 * Setup APM BIOS:
-	 *
-	 * APM BIOS initialization should be done from real mode or V86 mode.
-	 *
-	 * (by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>)
-	 */
-
-	/*
-	 * Don't trust the value of %fs and %gs (some AT-compatible BIOS 
-	 * implementations leave junk values in these segment registers
-	 * on bootstrap)
-	 */
-	xorl	%eax, %eax	/* null selector */
-	movw	%ax, %fs
-	movw	%ax, %gs
-
-	/* 
-         * Copy APM initializer under 1MB boundary:
-	 *
-	 * APM initializer program must switch the CPU to real mode.
-	 * But FreeBSD kernel runs above 1MB boundary. So we must 
-	 * copy the initializer code to conventional memory.
-	 */
-	movl	PADDR(_apm_init_image_size), %ecx	/* size */
-	lea	PADDR(_apm_init_image), %esi		/* source */
-	movl	$ APM_OURADDR, %edi			/* destination */
-	cld
-	rep
-	movsb
-
-	/* get GDT base */
-	sgdt	PADDR(_apm_current_gdt_pdesc)
-
-	/* copy GDT to _bootstrap_gdt */
-	xorl	%ecx, %ecx
-	movw	PADDR(_apm_current_gdt_pdesc), %cx
-	movl	PADDR(_apm_current_gdt_pdesc + 2), %esi
-	lea	PADDR(_bootstrap_gdt), %edi
-	cld
-	rep
-	movsb
-
-	/* setup GDT pseudo descriptor */
-	movw	$(SIZEOF_GDT*BOOTSTRAP_GDT_NUM), %ax
-	movw	%ax, PADDR(_apm_current_gdt_pdesc)
-	leal	PADDR(_bootstrap_gdt), %eax
-	movl	%eax, PADDR(_apm_current_gdt_pdesc + 2)
-
-	/* load new GDTR */
-	lgdt	PADDR(_apm_current_gdt_pdesc)
-
-	/* setup GDT for APM initializer */
-	lea	PADDR(_bootstrap_gdt), %ecx
-	movl	$(APM_OURADDR), %eax	/* use %ax for 15..0 */
-	movl	%eax, %ebx
-	shrl	$16, %ebx		/* use %bl for 23..16 */
-					/* use %bh for 31..24 */
-#define APM_SETUP_GDT(index, attrib) \
-	movl	$(index), %si ; \
-	lea	0(%ecx,%esi,8), %edx ; \
-	movw	$0xffff, (%edx) ; \
-	movw	%ax, 2(%edx) ; \
-	movb	%bl, 4(%edx) ; \
-	movw	$(attrib), 5(%edx) ; \
-	movb	%bh, 7(%edx)
-
-	APM_SETUP_GDT(APM_INIT_CS_INDEX  , CS32_ATTRIB)
-	APM_SETUP_GDT(APM_INIT_DS_INDEX  , DS32_ATTRIB)
-	APM_SETUP_GDT(APM_INIT_CS16_INDEX, CS16_ATTRIB)
-	APM_SETUP_GDT(APM_INIT_DS16_INDEX, DS16_ATTRIB)
-
-	/*
-	 * Call the initializer:
-	 *
-	 * direct intersegment call to conventional memory code
-	 */
-	.byte	0x9a		/* actually, lcall $APM_INIT_CS_SEL, $0 */
-	.long	0
-	.word	APM_INIT_CS_SEL
-
-	movl	%eax, PADDR(_apm_version)
-	movl	%ebx, PADDR(_apm_cs_entry)
-	movw	%cx, PADDR(_apm_cs16_base)
-	shrl	$16, %ecx
-	movw	%cx, PADDR(_apm_cs32_base)
-	movw	%dx, PADDR(_apm_ds_base)
-	movw	%si, PADDR(_apm_cs32_limit)
-	shrl	$16, %esi
-	movw	%si, PADDR(_apm_ds_limit)
-	movw	%di, PADDR(_apm_flags)
-
-	ret
-
-.text
 	.align 2
 	.globl	_apm_bios_call
 _apm_bios_call:
@@ -213,4 +58,3 @@ _apm_bios_call:
 	popl	%esi
 	popl	%ebp
 	ret
-#endif NAPM > 0