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Change switch statement to two if statements. This saves 208 bytes in

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the object file which is enough to bring the size down to the point
where the bootstrap fits into 15 sectors.
This commit is contained in:
Martin Renters 1994-05-01 03:53:29 +00:00
parent 698a2ca9f2
commit 0eb0343191
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=1438
2 changed files with 12 additions and 20 deletions
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16
sys/i386/boot/biosboot/boot.c
View File

@ -24,7 +24,7 @@
* the rights to redistribute these changes.
*
* from: Mach, [92/04/03 16:51:14 rvb]
* $Id: boot.c,v 1.9 1994/02/22 22:59:38 rgrimes Exp $
* $Id: boot.c,v 1.10 1994/04/20 22:06:24 phk Exp $
*/
@ -76,7 +76,7 @@ int drive;
ouraddr,
argv[7] = memsize(0),
argv[8] = memsize(1),
"$Revision: 1.9 $");
"$Revision: 1.10 $");
printf("use hd(1,a)/386bsd to boot sd0 when wd0 is also installed\n");
gateA20();
loadstart:
@ -243,14 +243,10 @@ loadprog(howto)
printf("Press 'A', 'B' or any other key for the default ");
printf("%c: ", unit+'A');
i = getchar();
switch (i) {
case '0': case 'A': case 'a':
unit = 0;
break;
case '1': case 'B': case 'b':
unit = 1;
break;
}
if (i=='0' || i=='A' || i=='a')
unit = 0;
if (i=='1' || i=='B' || i=='b')
unit = 1;
printf("\n");
break;
case 4:

16
sys/i386/boot/boot.c
View File

@ -24,7 +24,7 @@
* the rights to redistribute these changes.
*
* from: Mach, [92/04/03 16:51:14 rvb]
* $Id: boot.c,v 1.9 1994/02/22 22:59:38 rgrimes Exp $
* $Id: boot.c,v 1.10 1994/04/20 22:06:24 phk Exp $
*/
@ -76,7 +76,7 @@ int drive;
ouraddr,
argv[7] = memsize(0),
argv[8] = memsize(1),
"$Revision: 1.9 $");
"$Revision: 1.10 $");
printf("use hd(1,a)/386bsd to boot sd0 when wd0 is also installed\n");
gateA20();
loadstart:
@ -243,14 +243,10 @@ loadprog(howto)
printf("Press 'A', 'B' or any other key for the default ");
printf("%c: ", unit+'A');
i = getchar();
switch (i) {
case '0': case 'A': case 'a':
unit = 0;
break;
case '1': case 'B': case 'b':
unit = 1;
break;
}
if (i=='0' || i=='A' || i=='a')
unit = 0;
if (i=='1' || i=='B' || i=='b')
unit = 1;
printf("\n");
break;
case 4: