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be1ed810b1
Early use of vm86 depends on the PIC being reset to mask interrupts, but r286667 moved PIC initialization to after where vm86 may be first used. Move the PIC initialization up to immdiately before vm86 initialization. All invocations of diff that I tried display this move poorly so that it looks like PIC and vm86 initialization was moved later. r286667 was to move console initialization later. The diffs are again unreadable -- they show a large move that doesn't seem to involve the console. The PIC initialization stayed just below the console initialization where it could still be debugged but no longer works. Later console initialization breaks mainly debugging vm86 initialization and memory sizing using ddb and printf(). There are several printf()s in the memory sizing that now go nowhere since message buffer initialization has always been too late. Memory sizing is done by loader for most users, but the lost messages for this case are even more interesting than for an auto-probe since they tell you what the loader found. |
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