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Code Issues Releases Activity

Do not hardcode size of struct vm86frame.

Browse Source 
Submitted by:	Jonathan Lemon <jlemon@americantv.com>
This commit is contained in:
Luoqi Chen 1999-05-11 16:04:40 +00:00
parent 3c001d7648
commit fcfe0b7b48
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=47022
3 changed files with 17 additions and 5 deletions
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8
sys/amd64/amd64/genassym.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)genassym.c 5.11 (Berkeley) 5/10/91
* $Id: genassym.c,v 1.65 1999/04/02 17:59:37 alc Exp $
* $Id: genassym.c,v 1.66 1999/04/28 01:03:18 luoqi Exp $
*/
#include "opt_vm86.h"
@ -68,6 +68,9 @@
#endif
#include <machine/segments.h>
#include <machine/globaldata.h>
#ifdef VM86
#include <machine/vm86.h>
#endif
#define OS(s, m) ((u_int)offsetof(struct s, m))
@ -229,6 +232,9 @@ main()
printf("#define\tKPSEL %#x\n", GSEL(GPRIV_SEL, SEL_KPL));
#endif
printf("#define\tGPROC0_SEL %#x\n", GPROC0_SEL);
#ifdef VM86
printf("#define\tVM86_FRAMESIZE %#x\n", sizeof(struct vm86frame) / 4);
#endif
return (0);
}

8
sys/i386/i386/genassym.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)genassym.c 5.11 (Berkeley) 5/10/91
* $Id: genassym.c,v 1.65 1999/04/02 17:59:37 alc Exp $
* $Id: genassym.c,v 1.66 1999/04/28 01:03:18 luoqi Exp $
*/
#include "opt_vm86.h"
@ -68,6 +68,9 @@
#endif
#include <machine/segments.h>
#include <machine/globaldata.h>
#ifdef VM86
#include <machine/vm86.h>
#endif
#define OS(s, m) ((u_int)offsetof(struct s, m))
@ -229,6 +232,9 @@ main()
printf("#define\tKPSEL %#x\n", GSEL(GPRIV_SEL, SEL_KPL));
#endif
printf("#define\tGPROC0_SEL %#x\n", GPROC0_SEL);
#ifdef VM86
printf("#define\tVM86_FRAMESIZE %#x\n", sizeof(struct vm86frame) / 4);
#endif
return (0);
}

6
sys/i386/i386/vm86bios.s
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: vm86bios.s,v 1.9 1999/04/28 01:03:28 luoqi Exp $
* $Id: vm86bios.s,v 1.10 1999/05/11 15:57:42 luoqi Exp $
*/
#include "opt_vm86.h"
@ -89,7 +89,7 @@ ENTRY(vm86_bioscall)
movl SCR_VMFRAME(%edx),%ebx /* target frame location */
movl %ebx,%edi /* destination */
movl SCR_ARGFRAME(%edx),%esi /* source (set on entry) */
movl $22,%ecx /* sizeof(struct vm86frame)/4 */
movl $VM86_FRAMESIZE,%ecx /* sizeof(struct vm86frame)/4 */
cld
rep
movsl /* copy frame to new stack */
@ -162,7 +162,7 @@ ENTRY(vm86_biosret)
movl 4(%esp),%esi /* source */
movl SCR_ARGFRAME(%edx),%edi /* destination */
movl $22,%ecx /* size */
movl $VM86_FRAMESIZE,%ecx /* size */
cld
rep
movsl /* copy frame to original frame */