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$Id: TODO,v 1.476 2007/04/14 05:39:47 debug Exp $ |
$Id: TODO,v 1.489 2007/05/01 04:05:06 debug Exp $ |
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Testing for the next release (0.4.5.1): |
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TEST DISK OVERLAY IMAGES |
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TEST LANDISK/SUPERH EMULATION MODES |
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REGRESSION TESTS FOR ALL OTHER SUPPORTED GUEST OSES |
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# NetBSD/pmax 3.1 or 1.6.2 OK |
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# NetBSD/arc 1.6.2 OK |
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# NetBSD/hpcmips 3.1 OK |
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# NetBSD/cobalt 3.1 OK |
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# NetBSD/evbmips 3.1 OK |
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# NetBSD/algor 3.1 OK |
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# NetBSD/sgimips 3.1 OK |
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# NetBSD/cats 3.1 OK |
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# NetBSD/evbarm 2.1 OK |
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# NetBSD/netwinder 3.1 OK |
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# NetBSD/prep 2.1 OK |
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# NetBSD/macppc 3.1 OK |
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# NetBSD/dreamcast 3.1 MD OK |
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# NetBSD/dreamcast 3.1 LiveCD OK |
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# Linux/dreamcast Live CD OK |
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# OpenBSD/pmax 2.8-BETA not tested because of lack of time |
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# OpenBSD/cats 4.0 OK |
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# OpenBSD/landisk 4.1 OK |
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# Ultrix/RISC 4.5 OK |
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# Sprite for DECstation OK |
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# Debian GNU/Linux for pmax not tested because of lack of time |
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Optional: |
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# OpenBSD/sgi FAILED to boot after setup (as expected) |
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Some things, in totally random order, that I'd like to fix: |
Some things, in totally random order, that I'd like to fix: |
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(Some items in this list are probably out-to-date by now.) |
(Some items in this list are possibly out-of-date by now.) |
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Dyntrans: |
Dyntrans: |
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x) Instruction combination collisions? How to avoid easily... |
x) Instruction combination collisions? How to avoid easily... |
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(http://techpubs.sgi.com/library/tpl/cgi-bin/getdoc.cgi/hdwr/bks/SGI_Developer/books/R10K_UM/sgi_html/t5.Ver.2.0.book_284.html) |
(http://techpubs.sgi.com/library/tpl/cgi-bin/getdoc.cgi/hdwr/bks/SGI_Developer/books/R10K_UM/sgi_html/t5.Ver.2.0.book_284.html) |
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SuperH: |
SuperH: |
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x) SH4 performance is VERY low when running user-space instructions, |
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because I actually simulate the 4-entry ITLB as being separate |
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from the 64-entry DTLB. This is correct, but VERY slow. I need |
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to experiment with _not_ simulating it in too much detail. |
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x) SH4 interrupt controller: |
x) SH4 interrupt controller: |
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x) MASKING should be possible! |
x) MASKING should be possible! |
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x) SH4 DMA (0xffa00000) |
x) SH4 DMA (0xffa00000) |
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x) SH4 UBC (0xff200000) |
x) SH4 UBC (0xff200000) |
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x) SH4 timers are going too fast! |
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x) Store queues can copy 32 bytes at a time, there's no need to |
x) Store queues can copy 32 bytes at a time, there's no need to |
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copy individual 32-bit words. (Performance improvement.) |
copy individual 32-bit words. (Performance improvement.) |
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x) SH4 BSC (Bus State Controller) |
x) SH4 BSC (Bus State Controller) |
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same page. (Similar to the same optimization for ARM.) |
same page. (Similar to the same optimization for ARM.) |
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x) Floating point speed! |
x) Floating point speed! |
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x) Floating point exception correctness. |
x) Floating point exception correctness. |
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x) NetBSD HEAD (as of April 2007) hangs during bootup, because it |
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turns on/off interrupts in an unfortunately synchronized way |
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with dyntrans. This needs to be fixed. |
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x) Exceptions for unaligned load/stores. OpenBSD/landisk uses |
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this mechanism for its reboot code (machine_reset). |
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x) Think carefully about how to implement SH5/SH64 (for evbsh5). |
x) Think carefully about how to implement SH5/SH64 (for evbsh5). |
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Landisk SH4: |
Landisk SH4: |
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x) When NetBSD/landisk 4.0 and OpenBSD/landisk 4.1 have been |
x) When NetBSD/landisk 4.0 has been released, make sure it works |
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released, test to see if they work. (If so, update documentation, |
in the emulator. (Update documentation, etc.) |
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guestos + index, and set stable=1 in machine_landisk.c.) |
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Dreamcast: |
Dreamcast: |
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x) G2 DMA |
x) G2 DMA |
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x) Mouse/pad support! :) |
x) Mouse/pad support! :) |
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x) A NIC? (As a PCMCIA device?) |
x) A NIC? (As a PCMCIA device?) |
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M88K: |
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o) Everything. :) |
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o) More instruction disassembly! |
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o) Implement more instructions. |
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o) has-delay-slot (for debugging) |
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o) Find manuals! |
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o) MMU stuff |
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o) Exceptions |
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o) FPU |
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o) Control registers |
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AVR: |
AVR: |
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o) Everything. |
o) Everything. |
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x) Fix the PowerPC DECR interrupt speed! (MacPPC and PReP speed, etc.) |
x) Fix the PowerPC DECR interrupt speed! (MacPPC and PReP speed, etc.) |
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x) DON'T HARDCODE 100 HZ IN cpu_mips_coproc.c! |
x) DON'T HARDCODE 100 HZ IN cpu_mips_coproc.c! |
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x) Test the 8253? Right now it doesn't seem to be used? |
x) Test the 8253? Right now it doesn't seem to be used? |
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x) NetWinder timeofday is incorrect! |
x) NetWinder timeofday is incorrect! It seems to be exactly |
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1 day ahead of actual time? |
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x) Cobalt TOD is incorrect! |
x) Cobalt TOD is incorrect! |
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x) Go through all other machines, one by one, and fix them. |
x) Go through all other machines, one by one, and fix them. |
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