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Diffstat (limited to 'os/boot/pc/pbslba.s')
-rw-r--r--os/boot/pc/pbslba.s9
1 files changed, 5 insertions, 4 deletions
diff --git a/os/boot/pc/pbslba.s b/os/boot/pc/pbslba.s
index 56388868..4f7b8325 100644
--- a/os/boot/pc/pbslba.s
+++ b/os/boot/pc/pbslba.s
@@ -24,6 +24,7 @@
* FAT directory entry.
*/
#define Dname 0x00
+#define Dnamesz 0x0B
#define Dext 0x08
#define Dattr 0x0B
#define Dtime 0x16
@@ -125,7 +126,7 @@ TEXT _nxt(SB), $0
/* rCX contains 0x0001 */
SBPWI(0x0010, Xdap+0) /* reserved + packet size */
- SBPWI(rCX, Xdap+2) /* reserved + # of blocks to transfer */
+ SBPW(rCX, Xdap+2) /* reserved + # of blocks to transfer */
DEC(rCX)
SBPW(rCX, Xdap+12)
@@ -147,7 +148,7 @@ _jmp00:
_cmp00:
PUSHR(rDI) /* save for later if it matches */
LWI(bootfile(SB), rSI)
- LWI(Dattr, rCX)
+ LWI(Dnamesz, rCX)
REP
CMPSB
POPR(rDI)
@@ -357,6 +358,6 @@ TEXT bootfile(SB), $0
/* "PBS..." */
TEXT confidence(SB), $0
- BYTE $'P'; BYTE $'B'; BYTE $'S'; BYTE $'.';
- BYTE $'.'; BYTE $'.';
+ BYTE $'P'; BYTE $'B'; BYTE $'S'; BYTE $'2';
+ BYTE $'.'; BYTE $'.'; BYTE $'.';
BYTE $'\z';