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author | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-10 12:09:24 +0000 |
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committer | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-10 12:09:24 +0000 |
commit | 0dcda9be6b68c213092bf92824feadaa3701c112 (patch) | |
tree | 2eb6307f07db48ac9c9ccf0bd7c916789701d8c4 /target-sparc/TODO | |
parent | edea5f0193b200f15a0f852c0c3ca64bf8432da4 (diff) | |
download | hqemu-0dcda9be6b68c213092bf92824feadaa3701c112.zip hqemu-0dcda9be6b68c213092bf92824feadaa3701c112.tar.gz |
Add a TODO file
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4410 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc/TODO')
-rw-r--r-- | target-sparc/TODO | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/target-sparc/TODO b/target-sparc/TODO new file mode 100644 index 0000000..58933fe --- /dev/null +++ b/target-sparc/TODO @@ -0,0 +1,89 @@ +TODO-list: + +CPU common: +- Unimplemented features/bugs: + - Delay slot handling may fail sometimes (branch end of page, delay + slot next page) + - Atomical instructions + - CPU features should match real CPUs (also ASI selection) +- Optimizations/improvements: + - Condition code/branch handling like x86, also for FPU? + - Remove explicit alignment checks + - Global register for regwptr, so that windowed registers can be + accessed directly + - Improve Sparc32plus addressing + - NPC/PC static optimisations (use JUMP_TB when possible)? (Is this + obsolete?) + - Synthetic instructions + - MMU model dependant on CPU model + - Select ASI helper at translation time (on V9 only if known) + - KQemu/KVM support for VM only + - Hardware breakpoint/watchpoint support + - Cache emulation mode + - Reverse-endian pages + - Faster FPU emulation + - Busy loop detection + +Sparc32 CPUs: +- Unimplemented features/bugs: + - Sun4/Sun4c MMUs + - Some V8 ASIs + +Sparc64 CPUs: +- Unimplemented features/bugs: + - Interrupt handling + - Secondary address space, other MMU functions + - Many V9/UA2005/UA2007 ASIs + - Rest of V9 instructions, missing VIS instructions + - IG/MG/AG vs. UA2007 globals + - Full hypervisor support + - SMP/CMT + - Sun4v CPUs +- Optimizations/improvements: + - Use TCG logic ops for VIS when possible + +Sun4: +- To be added + +Sun4c: +- A lot of unimplemented features +- Maybe split from Sun4m + +Sun4m: +- Unimplemented features/bugs: + - Hardware devices do not match real boards + - Floppy does not work + - Missing keys, sendkey support for all keys + - CS4231 (DMA, make sound, make available for PC) + - Add cg6, bwtwo + - Arbitrary resolution support + - PCI for MicroSparc-IIe + - JavaStation machines + - SBus slot probing + - SMP probing support + - Interrupt routing does not match real HW + - SuSE 7.3 keyboard sometimes unresponsive + - Gentoo 2004.1 SMP does not work + - SS600MP ledma -> lebuffer + - Type 5 keyboard + - Less fixed hardware choices + - DBRI audio (Am7930) + - BPP parallel + - Diagnostic switch + +Sun4d: +- A lot of unimplemented features: + - SBI + - IO-unit +- Maybe split from Sun4m + +Sun4u: +- Unimplemented features/bugs: + - Interrupt controller + - PCI/IOMMU support (Simba, JIO, Tomatillo, Psycho, Schizo, Safari...) + - SMP + - Happy Meal Ethernet, flash, I2C, GPIO + - A lot of real machine types + +Sun4v: +- To be added |