| 0,0 → 1,26 |
|---|
| + implement true memory barriers for all architectures |
| |
| + implement true memory management |
| + [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 [DONE] |
| + 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 |
| or page hash table interface to architectures |
| + deallocation of memory of empty page tables [DONE] |
| |
| + get user mode support for all architectures |
| |
| + save/restore floating point context on context switch |
| + [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 the cache controling bits in CR0 register |
| + [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 |