sanchayanmaity/minix
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4 commits

Author SHA1 Message Date
Ben Gras 59e972f074 let drivers allocate memory at 64k physical boundary. 2009-02-12 12:26:08 +00:00
Ben Gras 3121eec6bd . map text (kernel's and processes') in readonly 
. map kernel in non-user
 . don't map in first pages of kernel code and data
   if possible

these first pages could actually be freed but as the
kernel isn't allowed to touch them either we can't reuse
them until VM has totally taken over page table management
and kernel doesn't rely on identity mapping any more.
 2008-12-18 15:35:22 +00:00
Ben Gras 9b33056d2b make allocmem accept and return values in bytes, ramdisk expects this. 2008-11-19 15:40:17 +00:00
Ben Gras c078ec0331 Basic VM and other minor improvements. 
Not complete, probably not fully debugged or optimized.
 2008-11-19 12:26:10 +00:00