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Rev Age Author Path Log message Diff
315 6854 d 12 h jermar /SPARTAN/trunk/arch/ia32/ Make IA-32 userspace stack be aligned on doubleword boundary.
In userspace(), mark "eax" as clobbered register.		  
144 6902 d 5 h vana /SPARTAN/trunk/ Coding style fix  
142 6902 d 6 h vana /SPARTAN/trunk/arch/ia32/src/ Typing error fixed  
141 6902 d 6 h vana /SPARTAN/trunk/ Clear IOPL on start of system on all CPUs and clear NT before all irets.  
125 6907 d 21 h jermar /SPARTAN/trunk/ Huge indentation fix.  
106 6950 d 6 h jermar /SPARTAN/trunk/ IA-32 fixes.
Use kernel addresses instead of physical addresses in map_page_to_frame().
Physical addresses are supposed to only be exported to mm hardware.
Because of this fix, userspace is functional again.

Remap EGA videoram to (0x80000000 + videoram) and change the ega driver to work with the new address.

Minor cosmetics through out the code.
Changes in linker scripts.		  
65 6973 d 0 h decky /SPARTAN/trunk/arch/ia32/ doxygen-style comments  
22 6997 d 1 h jermar /SPARTAN/trunk/ Added before_thread_runs() to cope with TSS of user space tasks.  
15 7005 d 1 h jermar /SPARTAN/trunk/ Introduce macros CPU, THREAD, TASK and use them to replace the->cpu, the->thread, the->task.
Later on, this will make it possible to reference *current* cpu, thread and/or task without the aid from virtual memory.		  
1 7055 d 2 h jermar /SPARTAN/ Initial import