blob: a92f644345ffc293abe34270e511e26015419425 [file] [log] [blame]
\ See license at end of file
\ Maintain a byte swap table
decimal
only forth also meta also definitions
h# 20000 constant max-kernel-t
\ The swap map has one bit for every 32-bit word, since we assume
\ that relocated longwords must start on a 32-bit boundary
d# 32 constant bits/swapbit-t
\ Number of bytes in bitmap
: >swap-map-size-t ( end-adr -- )
origin-t - bits/swapbit-t /mod swap if 1+ then
;
max-kernel-t >swap-map-size-t constant /swap-map-t \ Number of bytes in bitmap
/swap-map-t buffer: swap-map-t
: set-swap-bit-t ( addr -- ) origin-t - 2 >> swap-map-t bitset ;
: note-string-t ( adr len -- adr len )
2dup bounds ?do i set-swap-bit-t /n +loop
;
: init-swap-t ( -- ) swap-map-t /swap-map-t erase ;
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\ Copyright (c) 2006 FirmWorks
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