From ac9d6cb3b433941fdf04ea203953ff89671aba48 Mon Sep 17 00:00:00 2001 From: kato Date: Sat, 29 Jan 2000 13:48:36 +0000 Subject: [PATCH] Synced with sys/boot/i386/btx/btx/btx.s rev 1.14. --- sys/boot/pc98/btx/btx/btx.S | 4 +++- sys/boot/pc98/btx/btx/btx.s | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/sys/boot/pc98/btx/btx/btx.S b/sys/boot/pc98/btx/btx/btx.S index 944c1aa167b4..5858ddad51ff 100644 --- a/sys/boot/pc98/btx/btx/btx.S +++ b/sys/boot/pc98/btx/btx/btx.S @@ -264,11 +264,11 @@ init.9: pushb $0x0 # general # exit: cli # Disable interrupts movl $MEM_ESP0,%esp # Clear stack -ifdef(`PAGING',` # # Turn off paging. # movl %cr0,%eax # Get CR0 +ifdef(`PAGING',` andl $~0x80000000,%eax # Disable movl %eax,%cr0 # paging ') @@ -900,11 +900,13 @@ intx30: cmpl $SYS_EXEC,%eax # Exec system call? movl $MEM_USR,%eax # User base address addl 0xc(%esp,1),%eax # Change to user leal 0x4(%eax),%esp # stack +ifdef(`PAGING',` movl %cr0,%eax # Turn andl $~0x80000000,%eax # off movl %eax,%cr0 # paging xorl %eax,%eax # Flush movl %eax,%cr3 # TLB +') popl %eax # Call call *%eax # program intx30.1: incb %ss:btx_hdr+0x7 # Flag reboot diff --git a/sys/boot/pc98/btx/btx/btx.s b/sys/boot/pc98/btx/btx/btx.s index 944c1aa167b4..5858ddad51ff 100644 --- a/sys/boot/pc98/btx/btx/btx.s +++ b/sys/boot/pc98/btx/btx/btx.s @@ -264,11 +264,11 @@ init.9: pushb $0x0 # general # exit: cli # Disable interrupts movl $MEM_ESP0,%esp # Clear stack -ifdef(`PAGING',` # # Turn off paging. # movl %cr0,%eax # Get CR0 +ifdef(`PAGING',` andl $~0x80000000,%eax # Disable movl %eax,%cr0 # paging ') @@ -900,11 +900,13 @@ intx30: cmpl $SYS_EXEC,%eax # Exec system call? movl $MEM_USR,%eax # User base address addl 0xc(%esp,1),%eax # Change to user leal 0x4(%eax),%esp # stack +ifdef(`PAGING',` movl %cr0,%eax # Turn andl $~0x80000000,%eax # off movl %eax,%cr0 # paging xorl %eax,%eax # Flush movl %eax,%cr3 # TLB +') popl %eax # Call call *%eax # program intx30.1: incb %ss:btx_hdr+0x7 # Flag reboot