5 files changed, 2 insertions, 100 deletions
diff --git a/sys/boot/i386/libi386/Makefile b/sys/boot/i386/libi386/Makefile
index 01ae3f4..4de6d02 100644
--- a/sys/boot/i386/libi386/Makefile
+++ b/sys/boot/i386/libi386/Makefile
@@ -6,7 +6,7 @@ INTERNALLIB=
 SRCS=	biosacpi.c bioscd.c biosdisk.c biosmem.c biospnp.c \
 	biospci.c biossmap.c bootinfo.c bootinfo32.c bootinfo64.c \
 	comconsole.c devicename.c elf32_freebsd.c \
-	elf64_freebsd.c gatea20.c \
+	elf64_freebsd.c \
 	i386_copy.c i386_module.c nullconsole.c pxe.c pxetramp.s \
 	smbios.c time.c vidconsole.c amd64_tramp.S
 
diff --git a/sys/boot/i386/libi386/gatea20.c b/sys/boot/i386/libi386/gatea20.c
deleted file mode 100644
index 1c5f0f0..0000000
--- a/sys/boot/i386/libi386/gatea20.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * $NetBSD: gatea20.c,v 1.2 1997/10/29 00:32:49 fvdl Exp $
- */
-
-/* extracted from freebsd:sys/i386/boot/biosboot/io.c */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <stand.h>
-#include <machine/cpufunc.h>
-
-#include <bootstrap.h>
-
-#include "libi386.h"
-
-#define K_RDWR 		0x60		/* keyboard data & cmds (read/write) */
-#define K_STATUS 	0x64		/* keyboard status */
-#define K_CMD	 	0x64		/* keybd ctlr command (write-only) */
-
-#define K_OBUF_FUL 	0x01		/* output buffer full */
-#define K_IBUF_FUL 	0x02		/* input buffer full */
-
-#define KC_CMD_WIN	0xd0		/* read  output port */
-#define KC_CMD_WOUT	0xd1		/* write output port */
-#define KB_A20		0x9f		/* enable A20,
-					   reset (!),
-					   enable output buffer full interrupt
-					   enable data line
-					   disable clock line */
-
-/*
- * Gate A20 for high memory
- */
-static unsigned char	x_20 = KB_A20;
-void gateA20()
-{
-	__asm("pushfl ; cli");
-#ifdef	IBM_L40
-	outb(0x92, 0x2);
-#else	/* !IBM_L40 */
-	while (inb(K_STATUS) & K_IBUF_FUL);
-	while (inb(K_STATUS) & K_OBUF_FUL)
-		(void)inb(K_RDWR);
-
-	outb(K_CMD, KC_CMD_WOUT);
-	delay(100);
-	while (inb(K_STATUS) & K_IBUF_FUL);
-	outb(K_RDWR, x_20);
-	delay(100);
-	while (inb(K_STATUS) & K_IBUF_FUL);
-#endif	/* IBM_L40 */
-	__asm("popfl");
-}
diff --git a/sys/boot/i386/libi386/libi386.h b/sys/boot/i386/libi386/libi386.h
index ce7e225..699ea74 100644
--- a/sys/boot/i386/libi386/libi386.h
+++ b/sys/boot/i386/libi386/libi386.h
@@ -104,8 +104,6 @@ void	biosacpi_detect(void);
 
 void	smbios_detect(void);
 
-void	gateA20(void);
-
 int	i386_autoload(void);
 
 int	bi_getboothowto(char *kargs);
diff --git a/sys/boot/pc98/libpc98/Makefile b/sys/boot/pc98/libpc98/Makefile
index 7179559..6e61c93 100644
--- a/sys/boot/pc98/libpc98/Makefile
+++ b/sys/boot/pc98/libpc98/Makefile
@@ -7,7 +7,7 @@ INTERNALLIB=
 
 SRCS=	bioscd.c biosdisk.c biosmem.c biospnp.c biospci.c biossmap.c \
 	bootinfo.c bootinfo32.c comconsole.c devicename.c elf32_freebsd.c \
-	gatea20.c i386_copy.c i386_module.c nullconsole.c pxe.c pxetramp.s \
+	i386_copy.c i386_module.c nullconsole.c pxe.c pxetramp.s \
 	time.c vidconsole.c
 
 BOOT_COMCONSOLE_PORT?= 0x238
diff --git a/sys/boot/pc98/libpc98/gatea20.c b/sys/boot/pc98/libpc98/gatea20.c
deleted file mode 100644
index 3928064..0000000
--- a/sys/boot/pc98/libpc98/gatea20.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * $NetBSD: gatea20.c,v 1.2 1997/10/29 00:32:49 fvdl Exp $
- */
-
-/* extracted from freebsd:sys/i386/boot/biosboot/io.c */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <stand.h>
-#include <machine/cpufunc.h>
-
-#include <bootstrap.h>
-
-#include "libi386.h"
-
-#define K_RDWR 		0x60		/* keyboard data & cmds (read/write) */
-#define K_STATUS 	0x64		/* keyboard status */
-#define K_CMD	 	0x64		/* keybd ctlr command (write-only) */
-
-#define K_OBUF_FUL 	0x01		/* output buffer full */
-#define K_IBUF_FUL 	0x02		/* input buffer full */
-
-#define KC_CMD_WIN	0xd0		/* read  output port */
-#define KC_CMD_WOUT	0xd1		/* write output port */
-#define KB_A20		0x9f		/* enable A20,
-					   reset (!),
-					   enable output buffer full interrupt
-					   enable data line
-					   disable clock line */
-
-/*
- * Gate A20 for high memory
- */
-static unsigned char	x_20 = KB_A20;
-void gateA20()
-{
-	__asm("pushfl ; cli");
-        outb(0xf2, 0x00);
-        outb(0xf6, 0x02);
-	__asm("popfl");
-}