lfn
serial
ticket/834-toolchain-update
topic/msim-upgrade
topic/simplify-dev-export
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Last change
on this file since 2b50d7c was 6a27d63, checked in by Jakub Vana <jakub.vana@…>, 20 years ago |
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Finished FPU lazy context switching - first version. I have not tested it and there are many things which must be changed when
it runs first time OK.
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Property mode
set to
100644
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File size:
1.0 KB
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| Rev | Line | |
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| [f761f1eb] | 1 | + implement true memory management
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| 2 | + [ia32] use int 0x15 ax=0xe820 to get memory map and memory size
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| 3 | + [mips] use some heuristics to get memory map and memory size
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| 4 | + reimplement heap so that it can allocate/deallocate itself frames as necessary
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| 5 | + provide native four-level portable page table interface
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| 6 | + every architecture uses its native page table format
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| 7 | + kernel provides unified four-level page table interface for all architectures
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| 8 | + track usage of frames containing middle-level page tables (frame leak)
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| 9 |
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| 10 | + get user mode support for all architectures
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| 11 |
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| 12 | + save/restore floating point context on context switch
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| 13 | + [ia32] lazy context switch using TS flag
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| [6a27d63] | 14 | + [ia32] MMX,SSE1-.. initialization
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| [f761f1eb] | 15 | + [ia32] review privilege separation
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| 16 | + zero IOPL in EFLAGS
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| 17 | + before IRET (from SYSCALL), zero NT in EFLAGS
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| 18 | + [ia32] review the cache controling bits in CR0 register
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| 19 | + [ia32] zero the alignment exception bit in EFLAGS
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| 20 | + make emulated architectures also work on real hardware
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| 21 | + bring in support for other architectures (e.g. PowerPC)
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| [6a27d63] | 22 |
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| 23 |
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