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in 2F.4A02 advance firstAvailableBuf past the alignment as well (neater)

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E. C. Masloch 2025-02-18 21:19:10 +01:00 committed by Kenneth J Davis
parent 85be764a50
commit 192cccc68f
1 changed files with 2 additions and 1 deletions
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kernel/inthndlr.c
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@ -1953,12 +1953,13 @@ VOID ASMCFUNC int2F_12_handler(struct int2f12regs FAR *pr)
size = 0; size = 0;
offs = 0xffff; /* requested more than we have */ offs = 0xffff; /* requested more than we have */
} else { } else {
UWORD alignment = offs - realoffs;
size = (UWORD)requestedsize; /* return rounded size */ size = (UWORD)requestedsize; /* return rounded size */
AllocateHMASpace(realoffs, offs + size - 1); /* ! realoffs */ AllocateHMASpace(realoffs, offs + size - 1); /* ! realoffs */
if ( ((UDWORD)offs + (UDWORD)size) == 0x10000UL ) { if ( ((UDWORD)offs + (UDWORD)size) == 0x10000UL ) {
firstAvailableBuf = MK_FP(0xFFFF, 0xFFFF); /* exhausted */ firstAvailableBuf = MK_FP(0xFFFF, 0xFFFF); /* exhausted */
} else { } else {
firstAvailableBuf += size; /* advance free pointer */ firstAvailableBuf += size + alignment; /* advance free pointer */
} }
} }
} }