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  → //SPARTAN/trunk/doc/ @ 153

  → //SPARTAN/trunk/doc/ @ 154

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Ignore whitespace Rev 153 → Rev 154

//SPARTAN/trunk/doc/TODO
1,24 → 1,28
+ implement true memory barriers for all architectures
+ implement true memory management
+ [ia32] use int 0x15 ax=0xe820 to get memory map and memory size
+ [ia32] use int 0x15 ax=0xe820 to get memory map and memory size [DONE]
+ [mips] use some heuristics to get memory map and memory size
+ reimplement heap so that it can allocate/deallocate itself frames as necessary
+ provide native four-level portable page table interface
+ reimplement heap so that it can allocate/deallocate
itself frames as necessary
+ provide native four-level portable page table interface [DONE]
+ every architecture uses its native page table format
+ kernel provides unified four-level page table interface for all architectures
+ track usage of frames containing middle-level page tables (frame leak)
+ kernel provides unified four-level page table interface
for all architectures
+ track usage of frames containing middle-level page tables
(frame leak)
+ get user mode support for all architectures
+ save/restore floating point context on context switch
+ [ia32] lazy context switch using TS flag [DONE]
+ [ia32] lazy context switch using TS flag [DONE]
+ [ia32] MMX,SSE1-.. initialization
+ [ia32] review privilege separation [DONE]
+ zero IOPL in EFLAGS [DONE]
+ before IRET (from SYSCALL), zero NT in EFLAGS [DONE]
+ [ia32] review privilege separation [DONE]
+ zero IOPL in EFLAGS [DONE]
+ before IRET (from SYSCALL), zero NT in EFLAGS [DONE]
+ [ia32] review the cache controling bits in CR0 register
+ [ia32] zero the alignment exception bit in EFLAGS [DONE]
- Task changed to clean AM in CR0 so the alignment check is disabled globally
+ [ia32] zero the alignment exception bit in EFLAGS [DONE]
- Task changed to clear AM in CR0 so that
the alignment check is disabled globally
+ make emulated architectures also work on real hardware
+ bring in support for other architectures (e.g. PowerPC)