Parent Directory | Revision Log
++ trunk/HISTORY (local) $Id: HISTORY,v 1.1613 2007/06/15 20:11:26 debug Exp $ 20070501 Continuing a little on m88k disassembly (control registers, more instructions). Adding a dummy mvme88k machine mode. 20070502 Re-adding MIPS load/store alignment exceptions. 20070503 Implementing more of the M88K disassembly code. 20070504 Adding disassembly of some more M88K load/store instructions. Implementing some relatively simple M88K instructions (br.n, xor[.u] imm, and[.u] imm). 20070505 Implementing M88K three-register and, or, xor, and jmp[.n], bsr[.n] including function call trace stuff. Applying a patch from Bruce M. Simpson which implements the SYSCON_BOARD_CPU_CLOCK_FREQ_ID object of the syscon call in the yamon PROM emulation. 20070506 Implementing M88K bb0[.n] and bb1[.n], and skeletons for ldcr and stcr (although no control regs are implemented yet). 20070509 Found and fixed the bug which caused Linux for QEMU_MIPS to stop working in 0.4.5.1: It was a faulty change to the MIPS 'sc' and 'scd' instructions I made while going through gcc -W warnings on 20070428. 20070510 Updating the Linux/QEMU_MIPS section in guestoses.html to use mips-test-0.2.tar.gz instead of 0.1. A big thank you to Miod Vallat for sending me M88K manuals. Implementing more M88K instructions (addu, subu, div[u], mulu, ext[u], clr, set, cmp). 20070511 Fixing bugs in the M88K "and" and "and.u" instructions (found by comparing against the manual). Implementing more M88K instructions (mask[.u], mak, bcnd (auto- generated)) and some more control register details. Cleanup: Removing the experimental AVR emulation mode and corresponding devices; AVR emulation wasn't really meaningful. Implementing autogeneration of most M88K loads/stores. The rectangle drawing demo (with -O0) for M88K runs :-) Beginning on M88K exception handling. More M88K instructions: tb0, tb1, rte, sub, jsr[.n]. Adding some skeleton MVME PROM ("BUG") emulation. 20070512 Fixing a bug in the M88K cmp instruction. Adding the M88K lda (scaled register) instruction. Fixing bugs in 64-bit (32-bit pairs) M88K loads/stores. Removing the unused tick_hz stuff from the machine struct. Implementing the M88K xmem instruction. OpenBSD/mvme88k gets far enough to display the Copyright banner :-) Implementing subu.co (guess), addu.co, addu.ci, ff0, and ff1. Adding a dev_mvme187, for MVME187-specific devices/registers. OpenBSD/mvme88k prints more boot messages. :) 20070515 Continuing on MVME187 emulation (adding more devices, beginning on the CMMUs, etc). Adding the M88K and.c, xor.c, and or.c instructions, and making sure that mul, div, etc cause exceptions if executed when SFD1 is disabled. 20070517 Continuing on M88K and MVME187 emulation in general; moving the CMMU registers to the CPU struct, separating dev_pcc2 from dev_mvme187, and beginning on memory_m88k.c (BATC and PATC). Fixing a bug in 64-bit (32-bit pairs) M88K fast stores. Implementing the clock part of dev_mk48txx. Implementing the M88K fstcr and xcr instructions. Implementing m88k_cpu_tlbdump(). Beginning on the implementation of a separate address space for M88K .usr loads/stores. 20070520 Removing the non-working (skeleton) Sandpoint, SonyNEWS, SHARK Dnard, and Zaurus machine modes. Experimenting with dyntrans to_be_translated read-ahead. It seems to give a very small performance increase for MIPS emulation, but a large performance degradation for SuperH. Hm. 20070522 Disabling correct SuperH ITLB emulation; it does not seem to be necessary in order to let SH4 guest OSes run, and it slows down userspace code. Implementing "samepage" branches for SuperH emulation, and some other minor speed hacks. 20070525 Continuing on M88K memory-related stuff: exceptions, memory transaction register contents, etc. Implementing the M88K subu.ci instruction. Removing the non-working (skeleton) Iyonix machine mode. OpenBSD/mvme88k reaches userland :-), starts executing /sbin/init's instructions, and issues a few syscalls, before crashing. 20070526 Fixing bugs in dev_mk48txx, so that OpenBSD/mvme88k detects the correct time-of-day. Implementing a generic IRQ controller for the test machines (dev_irqc), similar to a proposed patch from Petr Stepan. Experimenting some more with translation read-ahead. Adding an "expect" script for automated OpenBSD/landisk install regression/performance tests. 20070527 Adding a dummy mmEye (SH3) machine mode skeleton. FINALLY found the strange M88K bug I have been hunting: I had not emulated the SNIP value for exceptions occurring in branch delay slots correctly. Implementing correct exceptions for 64-bit M88K loads/stores. Address to symbol lookups are now disabled when M88K is running in usermode (because usermode addresses don't have anything to do with supervisor addresses). 20070531 Removing the mmEye machine mode skeleton. 20070604 Some minor code cleanup. 20070605 Moving src/useremul.c into a subdir (src/useremul/), and cleaning up some more legacy constructs. Adding -Wstrict-aliasing and -fstrict-aliasing detection to the configure script. 20070606 Adding a check for broken GCC on Solaris to the configure script. (GCC 3.4.3 on Solaris cannot handle static variables which are initialized to 0 or NULL. :-/) Removing the old (non-working) ARC emulation modes: NEC RD94, R94, R96, and R98, and the last traces of Olivetti M700 and Deskstation Tyne. Removing the non-working skeleton WDSC device (dev_wdsc). 20070607 Thinking about how to use the host's cc + ld at runtime to generate native code. (See experiments/native_cc_ld_test.i for an example.) 20070608 Adding a program counter sampling timer, which could be useful for native code generation experiments. The KN02_CSR_NRMMOD bit in the DECstation 5000/200 (KN02) CSR should always be set, to allow a 5000/200 PROM to boot. 20070609 Moving out breakpoint details from the machine struct into a helper struct, and removing the limit on max nr of breakpoints. 20070610 Moving out tick functions into a helper struct as well (which also gets rid of the max limit). 20070612 FINALLY figured out why Debian/DECstation stopped working when translation read-ahead was enabled: in src/memory_rw.c, the call to invalidate_code_translation was made also if the memory access was an instruction load (if the page was mapped as writable); it shouldn't be called in that case. 20070613 Implementing some more MIPS32/64 revision 2 instructions: di, ei, ext, dext, dextm, dextu, and ins. 20070614 Implementing an instruction combination for the NetBSD/arm idle loop (making the host not use any cpu if NetBSD/arm inside the emulator is not using any cpu). Increasing the nr of ARM VPH entries from 128 to 384. 20070615 Removing the ENABLE_arch stuff from the configure script, so that all included architectures are included in both release and development builds. Moving memory related helper functions from misc.c to memory.c. Adding preliminary instructions for netbooting NetBSD/pmppc to guestoses.html; it doesn't work yet, there are weird timeouts. Beginning a total rewrite of the userland emulation modes (removing all emulation modes, beginning from scratch with NetBSD/MIPS and FreeBSD/Alpha only). 20070616 After fixing a bug in the DEC21143 NIC (the TDSTAT_OWN bit was only cleared for the last segment when transmitting, not all segments), NetBSD/pmppc boots with root-on-nfs without the timeouts. Updating guestoses.html. Removing the skeleton PSP (Playstation Portable) mode. Moving X11-related stuff in the machine struct into a helper struct. Cleanup of out-of-memory checks, to use a new CHECK_ALLOCATION macro (which prints a meaningful error message). Adding a COMMENT to each machine and device (for automagic .index comment generation). Doing regression testing for the next release. ============== RELEASE 0.4.6 ==============
1 | bus_isa.c Generic ISA bus framework |
2 | bus_pci.c Generic PCI bus framework |
3 | dev_8253.c Intel 8253/8254 Programmable Interval Timer |
4 | dev_8259.c Intel 8259 Programmable Interrupt Controller |
5 | dev_adb.c Apple Desktop Bus (ADB) controller |
6 | dev_ahc.c Adaptec AHC SCSI controller |
7 | dev_algor.c Algor P5064 misc. stuff |
8 | dev_asc.c NCR53C9X "ASC" SCSI controller |
9 | dev_bebox.c BeBox motherboard registers and interrupt controller |
10 | dev_bt431.c Brooktree BT431, used by TURBOchannel graphics cards |
11 | dev_bt455.c Brooktree BT455, used by TURBOchannel graphics cards |
12 | dev_bt459.c Brooktree BT459, used by TURBOchannel graphics cards |
13 | dev_clmpcc.c Cirrus Logic 4-Channel Communications Controller (CD2400/CD2401) |
14 | dev_colorplanemask.c Color plane mask, used in the DECstation 3100 machine |
15 | dev_cons.c A simple console device, for the test machines |
16 | dev_cpc700.c IBM CPC700 bridge (PCI and interrupt controller) |
17 | dev_dc7085.c DC7085 serial controller, used in some DECstation models |
18 | dev_dec21030.c DEC 21030 "TGA" graphics card |
19 | dev_dec21143.c DEC 21143 "Tulip" ethernet controller |
20 | dev_dec5800.c DECsystem 58x0 devices |
21 | dev_dec_ioasic.c IOASIC device used in the DECstation "3MIN" and "3MAX" machines |
22 | dev_disk.c A simple disk controller device, for the test machines |
23 | dev_dreamcast_asic.c Dreamcast-specific ASIC |
24 | dev_dreamcast_g2.c Dreamcast G2 bus |
25 | dev_dreamcast_gdrom.c Dreamcast GD-ROM |
26 | dev_dreamcast_maple.c Dreamcast Maple bus controller |
27 | dev_dreamcast_rtc.c Dreamcast Real-Time Clock |
28 | dev_eagle.c Motorola MPC105 "Eagle" host bridge |
29 | dev_ether.c A simple ethernet controller, for the test machines |
30 | dev_fb.c Generic framebuffer device |
31 | dev_fbctrl.c Framebuffer controller device (control's dev_fb in test machines) |
32 | dev_fdc.c PC-style floppy controller |
33 | dev_footbridge.c DC21285 "Footbridge" controller; used in Netwinder and Cats |
34 | dev_gc.c Grand Central Interrupt controller (used by MacPPC) |
35 | dev_gt.c Galileo Technology GT-64xxx PCI controller |
36 | dev_hammerhead.c Hammerhead controller, for the secondary CPU on MacPPC machines |
37 | dev_i80321.c Intel i80321 (ARM) core functionality |
38 | dev_igsfb.c Integraphics Systems "igsfb" Framebuffer graphics card |
39 | dev_iq80321_7seg.c IQ80321 LED device |
40 | dev_irqc.c Generic IRQ controller for the test machines |
41 | dev_jazz.c Microsoft Jazz-related stuff (Acer PICA-61, etc) |
42 | dev_kn01.c DEC KN01 ("PMAX", DECstation type 1) control register and VDAC |
43 | dev_kn02.c DEC KN02 mainbus (TurboChannel interrupt controller) |
44 | dev_kn220.c DEC KN220 (DECsystem 5500) devices |
45 | dev_kn230.c DEC KN230 (MIPSMATE 5100) stuff |
46 | dev_lca.c LCA PCI bus, for Alpha machines |
47 | dev_le.c LANCE ethernet, as used in DECstations |
48 | dev_lpt.c LPT (parallel printer) controller |
49 | dev_m8820x.c M88200/M88204 CMMU (Cache/Memory Management Unit) |
50 | dev_malta_lcd.c Malta (evbmips) LCD display |
51 | dev_mb8696x.c Fujitsu MB8696x Ethernet interface (used in the Dreamcast) |
52 | dev_mc146818.c MC146818 real-time clock |
53 | dev_mk48txx.c Mostek MK48Txx Real Time Clock |
54 | dev_mp.c Generic Multi-processor controller for the test machines |
55 | dev_mvme187.c MVME187-specific devices and control registers |
56 | dev_ns16550.c NS16550 serial controller |
57 | dev_ohci.c USB Open Host Controller Interface |
58 | dev_pcc2.c PCC2 bus (used in MVME machine) |
59 | dev_pccmos.c PC CMOS/RTC device (ISA ports 0x70 and 0x71) |
60 | dev_pcic.c Intel 82365SL PC Card Interface Controller |
61 | dev_pckbc.c 8042 PC keyboard controller (+ 8242WB Keyboard/Mouse controller) |
62 | dev_pmagja.c TURBOchannel PMAG-JA graphics card |
63 | dev_pmppc.c Artesyn PM/PPC motherboard registers |
64 | dev_prep.c PReP machine mainbus (ISA bus + interrupt controller) |
65 | dev_ps2_ether.c PlayStation 2 ethernet (smap and emac3) |
66 | dev_ps2_gif.c PlayStation 2 "gif" graphics device |
67 | dev_ps2_gs.c PlayStation 2 graphics system |
68 | dev_ps2_spd.c PlayStation 2 SPD harddisk controller |
69 | dev_ps2_stuff.c PlayStation 2 misc stuff (timer, DMA, interrupts, ...) |
70 | dev_pvr.c PowerVR CLX2 (graphics controller used in the Dreamcast) |
71 | dev_px.c TURBOchannel Pixelstamp graphics card |
72 | dev_ram.c A generic RAM (memory) device |
73 | dev_random.c A device which returns random data for reads, discards all writes |
74 | dev_rs5c313.c RICOH RS5C313 Real Time Clock |
75 | dev_rtc.c A generic Real-Time Clock device, for the test machines |
76 | dev_rtl8139c.c Realtek 8139 ethernet controller |
77 | dev_scc.c Serial controller used in some DECsystem and SGI machines |
78 | dev_sfb.c SFB TURBOchannel framebuffer (graphics card) |
79 | dev_sgi_gbe.c SGI "gbe", graphics controller + framebuffer |
80 | dev_sgi_ip19.c SGI IP19 (and IP25) stuff |
81 | dev_sgi_ip20.c SGI IP20 stuff |
82 | dev_sgi_ip22.c SGI IP22 stuff |
83 | dev_sgi_ip30.c SGI IP30 stuff |
84 | dev_sgi_ip32.c SGI IP32 stuff (CRIME, MACE, MACEPCI, mec, ust, mte) |
85 | dev_sgi_mardigras.c MardiGras graphics controller on SGI IP30 (Octane) |
86 | dev_sh4.c SH4-specific memory mapped registers (0xf0000000 - 0xffffffff) |
87 | dev_sii.c SII SCSI controller, used in some DECstation systems |
88 | dev_sn.c National Semiconductor SONIC ("sn") DP83932 ethernet controller |
89 | dev_ssc.c System Support Chip serial controller |
90 | dev_turbochannel.c TURBOchannel bus framework, used in DECstation machines |
91 | dev_uninorth.c Uni-North PCI controller (used by MacPPC machines) |
92 | dev_unreadable.c A simple device which returns an error for all reads/writes |
93 | dev_v3.c V3 Semiconductor PCI controller |
94 | dev_vga.c VGA framebuffer device (charcell and graphics modes) |
95 | dev_vme.c VME bus |
96 | dev_vr41xx.c VR41xx (VR4122 and VR4131) misc functions |
97 | dev_wdc.c Standard "wdc" IDE controller |
98 | dev_z8530.c Zilog Z8530 "zs" serial controller |
99 | dev_zero.c A simple device which returns zero for reads, discards all writes |
100 | lk201.c LK201 keyboard and mouse, used by the dc7085 and scc controllers |
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