[src/trunk]: src/sys/arch/amd64/amd64 initialize the old "int 0x80" syscall o...

[drochner <drochner%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/659ab3d94340
branches:  trunk
changeset: 559778:659ab3d94340
user:      drochner <drochner%NetBSD.org@localhost>
date:      Tue Mar 23 19:35:16 2004 +0000

description:
initialize the old "int 0x80" syscall only for COMPAT_16/NETBSD32,
and the very old callgate for COMPAT_10/IBCS2

diffstat:

 sys/arch/amd64/amd64/machdep.c |  15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diffs (64 lines):

diff -r 72660604f26c -r 659ab3d94340 sys/arch/amd64/amd64/machdep.c
--- a/sys/arch/amd64/amd64/machdep.c    Tue Mar 23 19:09:01 2004 +0000
+++ b/sys/arch/amd64/amd64/machdep.c    Tue Mar 23 19:35:16 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.21 2004/03/01 12:06:02 drochner Exp $    */
+/*     $NetBSD: machdep.c,v 1.22 2004/03/23 19:35:16 drochner Exp $    */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2000 The NetBSD Foundation, Inc.
@@ -72,12 +72,14 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.21 2004/03/01 12:06:02 drochner Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.22 2004/03/23 19:35:16 drochner Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
 #include "opt_compat_netbsd.h"
+#include "opt_compat_netbsd32.h"
+#include "opt_compat_ibcs2.h"
 #include "opt_cpureset_delay.h"
 #include "opt_multiprocessor.h"
 #include "opt_mtrr.h"
@@ -1029,8 +1031,12 @@
 typedef void (vector) __P((void));
 extern vector IDTVEC(syscall);
 extern vector IDTVEC(syscall32);
+#if defined(COMPAT_16) || defined(COMPAT_NETBSD32)
 extern vector IDTVEC(osyscall);
+#endif
+#if defined(COMPAT_10) || defined(COMPAT_IBCS2)
 extern vector IDTVEC(oosyscall);
+#endif
 extern vector *IDTVEC(exceptions)[];
 
 #define        KBTOB(x)        ((size_t)(x) * 1024UL)
@@ -1437,10 +1443,11 @@
            x86_btop(VM_MAXUSER_ADDRESS) - 1, SDT_MEMRWA, SEL_UPL, 1, 0, 1);
 
        /* make ldt gates and memory segments */
+#if defined(COMPAT_10) || defined(COMPAT_IBCS2)
        setgate((struct gate_descriptor *)(ldtstore + LSYS5CALLS_SEL),
            &IDTVEC(oosyscall), 0, SDT_SYS386CGT, SEL_UPL,
            GSEL(GCODE_SEL, SEL_KPL));
-
+#endif
        *(struct mem_segment_descriptor *)(ldtstore + LUCODE_SEL) =
            *GDT_ADDR_MEM(gdtstore, GUCODE_SEL);
        *(struct mem_segment_descriptor *)(ldtstore + LUDATA_SEL) =
@@ -1485,10 +1492,12 @@
                idt_allocmap[x] = 1;
        }
 
+#if defined(COMPAT_16) || defined(COMPAT_NETBSD32)
        /* new-style interrupt gate for syscalls */
        setgate(&idt[128], &IDTVEC(osyscall), 0, SDT_SYS386IGT, SEL_UPL,
            GSEL(GCODE_SEL, SEL_KPL));
        idt_allocmap[128] = 1;
+#endif
 
        setregion(&region, gdtstore, DYNSEL_START - 1);
        lgdt(&region);