TODO revision 1.27
1 1.27 tsutsui $NetBSD: TODO,v 1.27 2008/02/02 15:47:48 tsutsui Exp $ 2 1.2 thorpej 3 1.17 tsutsui To do list (in some particular order) 4 1.17 tsutsui XXX some entries might be obsolete. 5 1.12 soda 6 1.17 tsutsui o install notes 7 1.17 tsutsui 8 1.17 tsutsui 9 1.17 tsutsui o use MI driver 10 1.17 tsutsui 11 1.17 tsutsui - make fd driver MI, and share it with other ports 12 1.17 tsutsui (contact christos about MI fd driver) 13 1.17 tsutsui 14 1.17 tsutsui - use MI bha driver instead of home grown btl 15 1.17 tsutsui XXX needs fixes of DESKstation support 16 1.14 soda 17 1.17 tsutsui o VXL framebuffer support (Magnum, RISCstation 2200) 18 1.14 soda 19 1.17 tsutsui o com_jazzio.c 20 1.17 tsutsui - clock handling clean up (obtain from ARC BIOS) 21 1.17 tsutsui - fifo disabling may be only needed on some Magnum? 22 1.1 jonathan 23 1.17 tsutsui o remove pccons and switch to wscons completely 24 1.17 tsutsui (XXX what's the problem to remove pccons?) 25 1.9 soda 26 1.17 tsutsui o AD1848 audio support 27 1.1 jonathan 28 1.17 tsutsui o missing MI devices 29 1.17 tsutsui ses?, vcoda, ... 30 1.1 jonathan 31 1.4 soda 32 1.17 tsutsui o Xserver 33 1.4 soda 34 1.17 tsutsui - VXL Magnum, RISCstation 2200 35 1.17 tsutsui - vga/S3 PICA, Image RISCstation - OpenBSD's? 36 1.17 tsutsui - vga/cirrus RISCserver 2200, Express5800/240 R4400 EISA 37 1.17 tsutsui - vga/??? DESKstation Tyne, rPC44 38 1.17 tsutsui - TGA RISCstation 2250, Express5800/230 R4400 PCI 39 1.4 soda 40 1.17 tsutsui o Find out why bitmap load to S3-928 flashes screen. (X server) 41 1.17 tsutsui Know why (enable linear mode). Need S3 info. 42 1.5 soda 43 1.5 soda 44 1.27 tsutsui o repair DescStation support 45 1.11 soda - requires bounce buffer bus_dma for Tyne 46 1.17 tsutsui XXX - too small bounce buffer size (128KB) 47 1.11 soda 48 1.15 soda o Olivetti M700 support 49 1.11 soda 50 1.19 tsutsui o NEC Express5800/230 R10000 PCI (NEC-J95) support 51 1.27 tsutsui (needs info about interrupt, jazzio device address etc.) 52 1.11 soda 53 1.17 tsutsui o SNI RM200PCI/RM300/RM400/RM600 support 54 1.27 tsutsui (Linux/MIPS seems to have some info) 55 1.11 soda 56 1.11 soda 57 1.17 tsutsui o parse ARC BIOS configuration information and use it 58 1.11 soda 59 1.17 tsutsui o fix kernel start address 60 1.17 tsutsui (maybe requires bootloader support) 61 1.11 soda 62 1.17 tsutsui o allocate PICA_TL_BASE dynamically 63 1.5 soda 64 1.15 soda o remove inb/outb 65 1.8 nisimura 66 1.15 soda o remove UADDR 67 1.9 soda 68 1.17 tsutsui o fix mem_clusters[] usage. 69 1.17 tsutsui 70 1.17 tsutsui o intrcnt[] name cleanup, use MI evcnt(9) 71 1.17 tsutsui 72 1.17 tsutsui o test and merge soren's clean up about proc0.p_addr. 73 1.17 tsutsui 74 1.15 soda o redesign interrupt handler framework. 75 1.11 soda 76 1.23 tsutsui o it is better to always disable the MIPS3 internal timer interrupts 77 1.23 tsutsui (i.e. MIPS_INT_MASK_5) if it is not needed for the system. 78 1.9 soda those are the points which should be fixed: 79 1.9 soda mips_idle: li t0, (MIPS_INT_MASK | MIPS_SR_INT_IE) 80 1.9 soda machdep.c: curpcb->pcb_context[11] = MIPS_INT_MASK | MIPS_SR_INT_IE; 81 1.9 soda spl0() 82 1.9 soda splnone() 83 1.10 soda 84 1.17 tsutsui o XXX at least 2000/06/07 version is already quite unstable 85 1.17 tsutsui on PICA and NEC Image RISCstation. (but almost OK on Magnum) 86 1.17 tsutsui Userland commands dumps core randomly. 87 1.17 tsutsui This version is before _MIPS_PADDR_T_64BIT changes 88 1.17 tsutsui and MIPS3_TLB_WIRED_UPAGES changes. 89 1.1 jonathan 90 1.17 tsutsui "vm_page_zero_enable = FALSE" makes this problem disappeared. 91 1.17 tsutsui (vm_page_zero_enable = FALSE by default on all archs w/ UBC, now) 92 1.11 soda 93 1.17 tsutsui currently, page zero in the idle loop is also disabled on 94 1.17 tsutsui untested platforms like DESKstation rPC44/Tyne and SNI for safety. 95 1.11 soda 96 1.17 tsutsui XXX what's the current status of uvm_pageidlezero()? 97 1.11 soda 98 1.4 soda 99 1.17 tsutsui o resolve "XXX" 100 1.5 soda 101 1.4 soda 102 1.17 tsutsui (following entries might be MI MIPS items) 103 1.11 soda 104 1.27 tsutsui o make CLKF_INTR() work. 105 1.27 tsutsui 106 1.17 tsutsui o Move the RO and WIRED attribute from the pte to the pv table. 107 1.17 tsutsui This saves four instructions in the tlb miss handler. 108 1.15 soda 109 1.17 tsutsui o Can we have 32 double registers? 110 1.15 soda 111 1.17 tsutsui o 64bit kernel/userland 112 1.15 soda 113 1.17 tsutsui o omit __SWAP_BROKEN in <mips/types.h> 114 1.11 soda 115 1.11 soda o clean up ALEAF/NLEAF/NON_LEAF/NNON_LEAF in userland. 116 1.1 jonathan 117 1.1 jonathan Lots of other things..... 118
Indexes created Thu Oct 02 07:10:07 GMT 2025