Have you tried working with the FreeBSD and OpenBSD POWER/PPC(32/64) ports?On Thu, Jun 29, 2017 at 2:36 PM, Sevan Janiyan <venture37%geeklan.co.uk@localhost> wrote:Very cool :)On 29/06/2017 19:21, Michael wrote:
> Hello,
>
> On Sun, 4 Jun 2017 22:14:35 +0100
> Sevan Janiyan <venture37%geeklan.co.uk@localhost> wrote:
>
>> putting the latest netbsd kernel (uncompressed) and running
>> boot first-boot/@0:3,\netbsd
>> loads the kernel and fails with
>>
>> load-size=a3d1cc adler32=f645da8a
>> Loading ELF
>>
>> CLAIM failed
>> ok
>
> I finally got around to mess with my G5. Went much further than expected:
>
> boot enet:,netbsd.g5
> ...
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
> 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
> The NetBSD Foundation, Inc. All rights reserved.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> The Regents of the University of California. All rights reserved.
>
> NetBSD 8.99.1 (GLENDEVERON) #1: Wed Jun 28 11:00:52 EDT 2017
> ml@blackbush:/stuff/build/obj/sys/arch/macppc/compile/GL ENDEVERON
> total memory = 2048 MB
> oea_startup: failed to allocate DEAD ZONE: error=12
> avail memory = 1958 MB
> timecounter: Timecounters tick every 10.000 msec
> found U3/U4 HT PIC at f8040000
> OpenPIC Version 1.2: Supports 4 CPUs and 124 interrupt sources.
> bootpath:
> mainbus0 (root)
> cpu0 at mainbus0: 970MP (Revision 1.1), ID 0 (primary)
> cpu0: HID0 , powersave: -1
> cpu1 at mainbus0: ID 1
> cpu1: processor off-line; multiprocessor support not present in kernel
> uninorth0 at mainbus0
> pci0 at uninorth0 bus 10
> pci0: i/o space, memory space enabled
> genfb0 at pci0 dev 0 function 0found EDID property...
> console_instance: ffb3d980
> package: ffa17948
> : vendor 1002 product 7240 (rev. 0x00)
> genfb0: framebuffer at 0x98008000, size 1920x1080, depth 8, stride 2048
> wsdisplay0 at genfb0 kbdmux 1: console (default, vt100 emulation)
> wsmux1: connecting to wsdisplay0
> drm at genfb0 not configured
> ibmcpc0 at mainbus0
> Mapping in config space @ pa 0xf2000000, size: 0x02800000
> pci1 at ibmcpc0 bus 4
> pci1: i/o space, memory space enabled
> pci2 at ibmcpc0 bus 5
> pci2: i/o space, memory space enabled
> bge0 at pci2 dev 4 function 0: Broadcom BCM5780 Gigabit Ethernet
> bge0: interrupting at irq 66
> bge0: HW config 00000015, 00000015, 00000000, 00000000 00000000
> bge0: ASIC BCM5714 B3 (0x8003), Ethernet address 00:14:51:63:47:77
> bge0: setting short Tx thresholds
> brgphy0 at bge0 phy 1: BCM5780 1000BASE-T/X media interface, rev. 0
> brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge1 at pci2 dev 4 function 1: Broadcom BCM5780 Gigabit Ethernet
> bge1: interrupting at irq 67
> bge1: NVRAM lock timedout!
> bge1: HW config 00000014, 00000014, 00000000, 00000000 00000000
> bge1: ASIC BCM5714 B3 (0x8003), Ethernet address 00:14:51:63:47:78
> bge1: setting short Tx thresholds
> brgphy1 at bge1 phy 1: BCM5780 1000BASE-T/X media interface, rev. 0
> brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> pci3 at ibmcpc0 bus 6
> pci3: i/o space, memory space enabled
> pci4 at ibmcpc0 bus 7
> pci4: i/o space, memory space enabled
> pci5 at ibmcpc0 bus 8
> pci5: i/o space, memory space enabled
> pci6 at ibmcpc0 bus 9
> pci6: i/o space, memory space enabled
> pci7 at ibmcpc0 bus 2
> pci7: i/o space, memory space enabled
> vendor 106b product 0051 (ethernet network) at pci7 dev 15 function 0 not configured
> pci8 at ibmcpc0 bus 1
> pci8: i/o space, memory space enabled
> obio0 at pci8 dev 7 function 0: addr 0x80000000
> zsc0 at obio0 irq 23,24
> zstty0 at zsc0 channel 0
> zstty1 at zsc0 channel 1
> i2s at obio0 offset 0x0 not configured
> ohci0 at pci8 dev 11 function 0: vendor 1033 product 0035 (rev. 0x43)
> ohci0: interrupting at irq 70
> ohci0: OHCI version 1.0
> usb0 at ohci0: USB revision 1.0
> ohci1 at pci8 dev 11 function 1: vendor 1033 product 0035 (rev. 0x43)
> ohci1: interrupting at irq 70
> ohci1: OHCI version 1.0
> usb1 at ohci1: USB revision 1.0
> ehci0 at pci8 dev 11 function 2: vendor 1033 product 00e0 (rev. 0x04)
> ehci0: interrupting at irq 70
> ehci0: EHCI version 1.0
> ehci0: companion controllers, 3 ports each: ohci0 ohci1
> usb2 at ehci0: USB revision 2.0
> pci9 at ibmcpc0 bus 3
> pci9: i/o space, memory space enabled
> svwsata0 at pci9 dev 12 function 0: ServerWorks K2 SATA Controller (rev. 0x00)
> svwsata0: bus-master DMA support present
> svwsata0: using irq 10 for native-PCI interrupt
> svwsata0: primary channel wired to native-PCI mode
> atabus0 at svwsata0 channel 0
> svwsata0: secondary channel wired to native-PCI mode
> atabus1 at svwsata0 channel 1
> svwsata0: secondary channel wired to compatibility mode
> atabus2 at svwsata0 channel 2
> svwsata0: secondary channel configured to compatibility mode
> atabus3 at svwsata0 channel 3
> wdc0 at pci9 dev 13 function 0: interrupting at irq 38
> atabus4 at wdc0 channel 0
> vendor 106b product 0052 (IEEE1394 serial bus, OpenHCI) at pci9 dev 14 function 0 not configured
> smu0 at mainbus0 mbox 0x860c gpio 0x62 irq 53smuiic0 at smu0iic0 at smuiic0: I2C bus
> smusat0 at smuiic0
> system-clock at smuiic0 address 0xd4 not configured
>
> smuiic1 at smu0iic1 at smuiic1: I2C bus
>
>
> vmmask 7f80000, addr 1000 schedmask 7f800000 highmask 7f800000
> timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
> timecounter: Timecounter "mftb" frequency 33333333 Hz quality 100
> uhub0 at usb0: vendor 1033 (0x1033) OHCI root hub (0000), class 9/0,
> rev 1.00/1.00, addr 1
> uhub0: 3 ports with 3 removable, self powered
> uhub1 at usb1: vendor 1033 (0x1033) OHCI root hub (0000), class 9/0, rev 1.00/1.00, addr 1
> uhub1: 2 ports with 2 removable, self powered
> uhub2 at usb2: vendor 1033 (0x1033) EHCI root hub (0000), class 9/0, rev 2.00/1.00, addr 1
> uhub2: 5 ports with 5 removable, self powered
> svwsata0 port 0: device present, speed: 1.5Gb/s
> wd0 at atabus0 drive 0
> wd0: <SAMSUNG HD153WI>
> wd0: drive supports 16-sector PIO transfers, LBA48 addressing
> wd0: 1397 GB, 2907021 cyl, 16 head, 63 sec, 512 bytes/sect x 2930277168 sectors
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
> wd0(svwsata0:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
> ehci0: handing over full speed device on port 1 to ohci0
> svwsata0 port 1: PHY offline
> atapibus0 at atabus4: 2 targets
> cd0 at atapibus0 drive 0: <HL-DT-ST DVD-RW GWA-4165B, 76DB8EB84B89, C006> cdrom removable
> cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66)
> cd0(wdc0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66) (using DMA)
> WARNING: 2 errors while detecting hardware; check system log.
> boot device: cpu0
> md0: internal 2048 KB image area
> root on bge0
> nfs_boot: trying DHCP/BOOTP
> uhub3 at uhub0 port 1: Mitsumi Electric (0x5ac) Hub in Apple Extended USB Keyboard (0x1003), class 9/0, rev 1.10/4.10, addr 2
> uhub3: 3 ports with 2 removable, bus powered
> uhidev0 at uhub3 port 3 configuration 1 interface 0
> uhidev0: Mitsumi Electric (0x5ac) Apple Extended USB Keyboard (0x20b), rev 1.10/4.10, addr 3, iclass 3/1
> ukbd0 at uhidev0: 8 modifier keys, 6 key codes
> wskbd0 at ukbd0: console keyboard, using wsdisplay0
> uhidev1 at uhub3 port 3 configuration 1 interface 1
> uhidev1: Mitsumi Electric (0x5ac) Apple Extended USB Keyboard (0x20b), rev 1.10/4.10, addr 3, iclass 3/0
> uhidev1: 3 report ids
> uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0
> uhid1 at uhidev1 reportid 3: input=3, output=0, feature=0
> nfs_boot: DHCP next-server: 192.168.0.44
> nfs_boot: my_name=glendeveron
> nfs_boot: my_addr=192.168.0.24
> nfs_boot: my_mask=255.255.255.0
> nfs_boot: gateway=192.168.0.1
> uhidev2 at uhub3 port 1 configuration 1 interface 0
> uhidev2: Logitech (0x46d) Trackball (0xc404), rev 1.10/2.20, addr 4, iclass 3/1
> ums0 at uhidev2: 3 buttons and Z dir
> wsmouse0 at ums0 mux 0
> root on branca:/stuff/roots/macppc
> kern.module.path=/stand/macppc/8.99.1/modules
> wsdisplay0: screen 1 added (default, vt100 emulation)
> wsdisplay0: screen 2 added (default, vt100 emulation)
> wsdisplay0: screen 3 added (default, vt100 emulation)
> wsdisplay0: screen 4 added (default, vt100 emulation)
>
> Some comments on that:
> - yes, there's assorted, not necessarily related, debug spam in there
> - the machine has 4GB RAM, it's capped at 2GB because the address space
> layout in the lower 4GB is just like on 32bit Macs - 2GB RAM, the
> rest PCI space, ROMs etc. so in 32bit mode the rest of the RAM is
> inaccessible
> - it made it all the way to login:, although very slow ( I guess I
> blame nfs ) and with all fans at full blast - evidently we don't poke
> the SMU at the right time or in the right way.
> - genfb Just Works(tm), I'll check if there are uncommitted local
> changes. I wouldn't be surprised, on 32bit machines we BAT-map all
> useful PCI space with paddr == vaddr, on the G5 we can't really do
> that.
> - SMP support wasn't even attempted, probably works the same way as
> with G4s and OpenPIC.
> - reading from the disk throws occasional DMA errors, no idea if that's
> the driver or G5 bus_space/bus_dma - I get no errors with OSX or
> FreeBSD
> - the clock is running too fast, guess we get the decrementer frequency
> wrong
>
> have fun
> Michael
>
Well done.
Sevan