MFC 292682:

Fix remaining direct tests of the carry flag in the v86 %eflags via a
magic number to use V86_CY() instead.  These should have been fixed as
part of the cleanup in r226746 but were missed.

The md5 sums of the object files were unchanged, so there should be no
functional change.

PR:		205424
Submitted by:	Alexander Kuleshov <kuleshovmail@gmail.com>

3 files changed, 7 insertions, 7 deletions

diff --git a/sys/boot/i386/zfsboot/zfsboot.c b/sys/boot/i386/zfsboot/zfsboot.c
index afb77b2..ca82c63 100644
--- a/sys/boot/i386/zfsboot/zfsboot.c
+++ b/sys/boot/i386/zfsboot/zfsboot.c
@@ -238,7 +238,7 @@ bios_getmem(void)
 	v86.es = VTOPSEG(&smap);
 	v86.edi = VTOPOFF(&smap);
 	v86int();
-	if ((v86.efl & 1) || (v86.eax != SMAP_SIG))
+	if (V86_CY(v86.efl) || (v86.eax != SMAP_SIG))
 	    break;
 	/* look for a low-memory segment that's large enough */
 	if ((smap.type == SMAP_TYPE_MEMORY) && (smap.base == 0) &&
@@ -285,7 +285,7 @@ bios_getmem(void)
 	v86.addr = 0x15;		/* int 0x15 function 0xe801*/
 	v86.eax = 0xe801;
 	v86int();
-	if (!(v86.efl & 1)) {
+	if (!V86_CY(v86.efl)) {
 	    bios_extmem = ((v86.ecx & 0xffff) + ((v86.edx & 0xffff) * 64)) * 1024;
 	}
     }
@@ -320,7 +320,7 @@ int13probe(int drive)
     v86.edx = drive;
     v86int();
     
-    if (!(v86.efl & 0x1) &&				/* carry clear */
+    if (!V86_CY(v86.efl) &&				/* carry clear */
 	((v86.edx & 0xff) != (drive & DRV_MASK))) {	/* unit # OK */
 	if ((v86.ecx & 0x3f) == 0) {			/* absurd sector size */
 		return(0);				/* skip device */
diff --git a/sys/boot/pc98/boot2/boot2.c b/sys/boot/pc98/boot2/boot2.c
index 69a422e..72aae7d 100644
--- a/sys/boot/pc98/boot2/boot2.c
+++ b/sys/boot/pc98/boot2/boot2.c
@@ -326,7 +326,7 @@ bd_getbigeom(int bunit)
     v86.addr = 0x1b;
     v86.eax = 0x8400 | unit;
     v86int();
-    if (v86.efl & 0x1)
+    if (V86_CY(v86.efl))
 	return 0x4F020F;	/* 1200KB FD C:80 H:2 S:15 */
     return ((v86.ecx & 0xffff) << 16) | (v86.edx & 0xffff);
 }
diff --git a/sys/boot/pc98/libpc98/biosdisk.c b/sys/boot/pc98/libpc98/biosdisk.c
index 96dbd1f..b777d25 100644
--- a/sys/boot/pc98/libpc98/biosdisk.c
+++ b/sys/boot/pc98/libpc98/biosdisk.c
@@ -824,7 +824,7 @@ bd_chs_io(struct open_disk *od, daddr_t dblk, int blks, caddr_t dest, int write)
     v86.es = VTOPSEG(dest);
     v86.ebp = VTOPOFF(dest);
     v86int();
-    return (v86.efl & 0x1);
+    return (V86_CY(v86.efl));
 }
 
 static int
@@ -959,7 +959,7 @@ bd_getgeom(struct open_disk *od)
 	od->od_cyl = v86.ecx;
 	od->od_hds = (v86.edx >> 8) & 0xff;
 	od->od_sec = v86.edx & 0xff;
-	if (v86.efl & 0x1)
+	if (V86_CY(v86.efl))
 	    return(1);
     }
 
@@ -1010,7 +1010,7 @@ bd_getbigeom(int bunit)
     v86.addr = 0x1b;
     v86.eax = 0x8400 | unit;
     v86int();
-    if (v86.efl & 0x1)
+    if (V86_CY(v86.efl))
 	return 0x4F020F;	/* 1200KB FD C:80 H:2 S:15 */
     return ((v86.ecx & 0xffff) << 16) | (v86.edx & 0xffff);
 }