| 0,0 → 1,22 |
|---|
| + implement true memory management |
| + [ia32] use int 0x15 ax=0xe820 to get memory map and memory size |
| + [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 |
| + 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) |
| |
| + get user mode support for all architectures |
| |
| + when a new thread enters scheduler, at least one CPU in |
| cpu_sleep() should be woken up by an IPI |
| + save/restore floating point context on context switch |
| + [ia32] lazy context switch using TS flag |
| + [ia32] review privilege separation |
| + zero IOPL in EFLAGS |
| + before IRET (from SYSCALL), zero NT in EFLAGS |
| + [ia32] review the cache controling bits in CR0 register |
| + [ia32] zero the alignment exception bit in EFLAGS |
| + make emulated architectures also work on real hardware |
| + bring in support for other architectures (e.g. PowerPC) |