c00209396c
comment about this flag in rev.1.61. It is not historical like the comment said; it is the flag that says that most of what is laboriously put in the bootinfo struct is actually there. Newer kernels were bootable by even the broken boot2 without losing anything except the symbol table, but older kernels need at least the memory sizes. Restoring the "|" with RB_BOOTINFO that was lost in rev.1.43 costs 5 bytes. The fix can be done in only 4 bytes by fixing some code that was removed in rev.1.61 (put RB_BOOTINFO back in in the initial value of "opts" and fix RBX_MASK to not clobber it.) |
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gptboot.c | ||
Makefile |