Sam Ravnborg wrote:
+
+ . = 0;
+ .text : { *(.text*) }
+
+ . = ALIGN(16);
Why?
It's good practice to have at least paragraph (segment boundary)
alignment between different types of data. In the case of the .bss, it
also allows cleaning with rep;movsl.
It's technically not all that necessary (except for 4-byte alignment for
the .bss), but it makes things easier to debug on the assembly level.
+ /* Adjust this as appropriate */
+ /* This allows 4 pages (16K) */
+ . = ASSERT(_end <= 0x4000, "Wakeup too big!");
PAGE_SIZE * 4?
Not really, because it's not at all related to the kernel page size; the
reference to pages there is informal. If we go to a larger virtual page
size we do NOT want this to change.
-hpa
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