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Re: Pegasos2 with RadeonHD/RX via bridge
Quite a regular
Quite a regular


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@Maijestro
I get further than that with the U-Boot menu coming up and also loading and starting Linux so maybe check that the U-Boot image is correct. It's just the last 512KB of the update.image binary that can be cut as described in the comment in qemu/hw/ppc/amigaone.c.
You can just use -bios path/to/u-boot-amigaone.bin without -L the 0L is only needed if you need other rom images that come with QEMU but it does not find it. I never needed to use that as it finds that if you run from the build dir.

The correct u-boot-amigaone.bin should have MD5 sum: 36d9f14f05ff5d539cc56844ff1f5d25

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Re: Pegasos2 with RadeonHD/RX via bridge
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@balaton
Quote:
repeating this endlessly but I don't know what should be there.
Not sure, but it may be the nvram which AFAIK you don't emulate on Pegasos2 and AmigaOne yet.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@joerg
The nvram should be at (by the way what's cfg reg 0x61?)
articia_reg_readUnimplemented register read 0x61 1
articia_reg_write
Unimplemented register write 0x61 1 <- fd
articia_reg_read
Unimplemented register read 0x61 1
pci_cfg_write articia
-pci-host 00:00.0 @0x56 <- 0xb
Invalid read at addr 0xFD0E0004
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0005
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0006
size 1region '(null)'reasonrejected
...
Invalid read at addr 0xFD0E0FFEsize 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0FFF
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0000
size 4region '(null)'reasonrejected
pci_cfg_write articia
-pci-host 00:00.0 @0x56 <- 0x0


U
-Boot 1.1.1 (Mar  3 2005 16:42:53), Build03/03/05

At least that's where U-boot looks for it at start. The reg 0x56 is clearly marked in a comment in the U-Boot source to enable nvram and it seems to be poked constantly when reading from CD due to accessing a delay stored in an envvar. But the addresses I see after Linux kernel starts are different so it should probably some peripheral mapped there. Between fd000000-fdffffff I think there should be PCI memory 0-ffffff where e.g. VGA legacy RAM or such would appear but that seems to be mapped at different address. Maybe real machine has something else there though. Memory map I have now:
0000000000000000-ffffffffffffffff (prio 0i/o): system
    0000000000000000
-000000000fffffff (prio 0ram): ram
    0000000040000000
-0000000040007fff (prio 0ram): init-cache
    
0000000080000000-00000000fcffffff (prio 0i/o): alias pci-mem-high @pci-mem 80000000-fcffffff
    00000000fd000000
-00000000fdffffff (prio 0i/o): alias pci-mem-low @pci-mem 00000000-00ffffff
    00000000fe000000
-00000000feffffff (prio 0i/o): articia
      00000000fe000000
-00000000febfffff (prio 1i/o): pci-io
here a lot of ISA stuff mapped from VIA 
and io BARs of PCI cards
        00000000fe800100
-00000000fe80011f (prio 1i/o): uhci
        00000000fe800120
-00000000fe80013f (prio 1i/o): uhci
        00000000fe800200
-00000000fe8002ff (prio 1i/o): via-ac97.sgd
        00000000fe800300
-00000000fe800303 (prio 1i/o): via-ac97.fm
        00000000fe800304
-00000000fe800307 (prio 1i/o): via-ac97.midi
    00000000fff00000
-00000000fff7ffff (prio 0rom): rom
        
memory
-regionpci-mem
  0000000000000000
-ffffffffffffffff (prio 0i/o): pci-mem
    00000000000a0000
-00000000000bffff (prio 1i/o): vga-lowmem
    
0000000080000000-0000000080ffffff (prio 1ram): vga.vram
    
0000000081000000-0000000081003fff (prio 1i/o): ati.mmregs

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Re: Pegasos2 with RadeonHD/RX via bridge
Just can't stay away
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@balatonQuote:
balaton wrote:@Maijestro
I get further than that with the U-Boot menu coming up and also loading and starting Linux so maybe check that the U-Boot image is correct. It's just the last 512KB of the update.image binary that can be cut as described in the comment in qemu/hw/ppc/amigaone.c.
You can just use -bios path/to/u-boot-amigaone.bin without -L the 0L is only needed if you need other rom images that come with QEMU but it does not find it. I never needed to use that as it finds that if you run from the build dir.

The correct u-boot-amigaone.bin should have MD5 sum: 36d9f14f05ff5d539cc56844ff1f5d25


Ok, you are right. The firmware or U-Boot Preferences menu is now displayed to me after the bus 0: has been scanned.

qemu/build/qemu-system-ppc -M amigaone -/Users/reneengel/qemu/pc-bios -device VGA,romfile=/Users/reneengel/qemu/pc-bios/VGABIOS-lgpl-latest.bin -cdrom /Users/reneengel/Downloads/A1\ Linux\ Installer.iso -display cocoa -serial stdio -d unimp,guest_errors
via_superio_cfg
unimplemented register 0xe0
via_superio_cfg
unimplemented register 0xe2
via_superio_cfg
unimplemented register 0xe3
via_superio_cfg
unimplemented register 0xe6
via_superio_cfg
unimplemented register 0xe7
via_superio_cfg
unimplemented register 0xe8
articia_reg_write
Unimplemented register write 0x80 1 <- bb
via_superio_cfg
unimplemented register 0xe7
via_superio_cfg
unimplemented register 0xe8
via_superio_cfg
unimplemented register 0xe2
articia_reg_write
Unimplemented register write 0x80 1 <- 0
articia_reg_write
Unimplemented register write 0x80 1 <- 1
articia_reg_read
Unimplemented register read 0x61 1
articia_reg_write
Unimplemented register write 0x61 1 <- fd
articia_reg_read
Unimplemented register read 0x61 1
Invalid read at addr 0xFD0E0004
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0005
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0006
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0007
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0008
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0009
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E000A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E000B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E000C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E000D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E000E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E000F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0010
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0011
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0012
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0013
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0014
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0015
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0016
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0017
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0018
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0019
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E001A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E001B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E001C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E001D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E001E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E001F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0020
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0021
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0022
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0023
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0024
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0025
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0026
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0027
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0028
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0029
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E002A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E002B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E002C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E002D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E002E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E002F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0030
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0031
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0032
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0033
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0034
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0035
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0036
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0037
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0038
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0039
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E003A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E003B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E003C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E003D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E003E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E003F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0040
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0041
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0042
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0043
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0044
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0045
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0046
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0047
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0048
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0049
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E004A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E004B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E004C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E004D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E004E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E004F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0050
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0051
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0052
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0053
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0054
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0055
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0056
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0057
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0058
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0059
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E005A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E005B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E005C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E005D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E005E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E005F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0060
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0061
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0062
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0063
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0064
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0065
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0066
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0067
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0068
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0069
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E006A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E006B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E006C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E006D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E006E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E006F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0070
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0071
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0072
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0073
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0074
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0075
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0076
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0077
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0078
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0079
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E007A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E007B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E007C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E007D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E007E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E007F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0080
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0081
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0082
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0083
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0084
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0085
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0086
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0087
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0088
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0089
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E008A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E008B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E008C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E008D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E008E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E008F
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0090
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0091
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0092
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0093
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0094
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0095
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0096
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0097
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0098
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E0099
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E009A
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E009B
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E009C
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E009D
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E009E
size 1region '(null)'reasonrejected
Invalid read at addr 0xFD0E009F
siz

U
-Boot 1.1.1 (Mar  3 2005 16:42:53), Build03/03/05

CPU
:   MPC7457 v1.2 1150 MHz
Board
AmigaOne
DRAM
:  
Information for SIMM bank 0:
Number of banks2
Number of row addresses
13
Number of coumns addresses
10
SIMM is not registered
Supported burst lenghts
8 4         
Supported CAS latencies
CAS 3            
RAS to CAS latency
2
Precharge latency
2
SDRAM highest CAS latency
250
SDRAM 2nd highest CAS latency
120
SDRAM data width
8
Auto Refresh supported
Refresh time
782 clocks
Bank 0 size
256 MB
Bank 1 size
256 MB

Slot 1
vacant
DIMM0_B0_SCR0 
0x00e78f00
DIMM0_B1_SCR0 
0x00e78f00
DIMM0_B2_SCR0 
0x00678f00
DIMM0_B3_SCR0 
0x00678f00
Using CAS 4 
(slow)
DRAM_GCR0 0x00000000
Refresh set to 1561 clocks
auto refresh on
DRAM_REFRESH0 
0x00019619
Mode bank 0
0x00008042
Mode bank 1
0x00008042
512 MB
FLASH
:  0 kB
*** Warning bad CRCusing default environment

VGA
:   .. 
In:    serial
Out
:   serial
Err
:   serial


Resized Image

And don't worry about -L in the command line, I copied everything into the Qemu pc-bios folder that makes it easier for me to find everything quickly. Qemu also looks for files in these directories, so it's a good choice for me.

Edit: At the moment I can only test with Linux until my AmigaOne A1/XE version of AmigaOs4.1 has arrived, testing with Linux should also be good for now to understand things a little better.


Edited by Maijestro on 2023/7/29 20:33:28
MacStudio ARM M1 Max Qemu//Pegasos2 AmigaOs4.1 FE / AmigaOne A1222plus AmigaOs4.1 FE
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Re: Pegasos2 with RadeonHD/RX via bridge
Home away from home
Home away from home


See User information
@Maijestro

Where can download the QEMU M2 mac?
That has the qemu-system-ppc file?

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.
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Re: Pegasos2 with RadeonHD/RX via bridge
Just can't stay away
Just can't stay away


See User information
@LiveForItQuote:
LiveForIt wrote:@Maijestro

Where can download the QEMU M2 mac?
That has the qemu-system-ppc file?


You have to build it yourself. Balaton provides everything for this on its project page. And yes I use Qemu under Mac M1 with qemu-system-ppc

Quote:
I've uploaded what I have at https://osdn.net/projects/qmiga/scm/git/qemu/summary in the amigaone branch, do git checkout amigaone after cloning that repo and build as usual. Also see comments in hw/ppc/amigaone.c about vgabios and how to get firmware. See also https://osdn.net/projects/qmiga/wiki/DeveloperTips


More information is available in the thread above.

MacStudio ARM M1 Max Qemu//Pegasos2 AmigaOs4.1 FE / AmigaOne A1222plus AmigaOs4.1 FE
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Re: Pegasos2 with RadeonHD/RX via bridge
Just can't stay away
Just can't stay away


See User information
@balaton
Quote:
Memory map I have now:
0000000080000000-00000000fcffffff (prio 0i/o): alias pci-mem-high @pci-mem 80000000-fcffffff
    00000000fd000000
-00000000fdffffff (prio 0i/o): alias pci-mem-low @pci-mem 00000000-00ffffff
According to https://lists.ozlabs.org/pipermail/lin ... 007-September/041845.html fd000000 01000000 is "PCI alias memory", which I think is ISA related.

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Re: Pegasos2 with RadeonHD/RX via bridge
Just can't stay away
Just can't stay away


See User information
@Maijestro
Quote:
You have to build it yourself. Balaton provides everything for this on its project page. And yes I use Qemu under Mac M1 with qemu-system-ppc
If possible you should upload your MacOS QEmu binaries somewhere. Would help MacOS users who don't have the required build system installed, no skills and/or the time to install it, get the sources and build QEmu themselves.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@joerg

My issue, don’t know what package system to use, don’t know what dependencies I need.

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.
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Re: Pegasos2 with RadeonHD/RX via bridge
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@LiveForIt

Take an interest in brew :

https://brew.sh/

If you don't care for your own compiled version:

https://formulae.brew.sh/formula/qemu

If you want to compile, you need to add the missing packages only via package brew and this should be enough.

ps
I am not on my computer right now, but I can check what you need later. You can also search on google

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Re: Pegasos2 with RadeonHD/RX via bridge
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@LiveForIt
Quote:
My issue, don’t know what package system to use, don’t know what dependencies I need.
According to the QEmu homepage Homebrew is used for building QEmu on MacOS.
Don't know if that helps, and I don't know anything about current MacOS versions.

Edit: @smarkusg was faster.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@joergQuote:
joerg wrote:@Maijestro
If possible you should upload your MacOS QEmu binaries somewhere. Would help MacOS users who don't have the required build system installed, no skills and/or the time to install it, get the sources and build QEmu themselves.


If interested, I would provide the build for Mac M1/M2 with everything needed to test it.

At the moment I don't see much sense in it, because we can't boot Linux or AmigaOs4.1 in any way before the necessary patches are written to make it possible.

I think more important right now would be how things work on real hardware to move forward with this emulation.

MacStudio ARM M1 Max Qemu//Pegasos2 AmigaOs4.1 FE / AmigaOne A1222plus AmigaOs4.1 FE
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Re: Pegasos2 with RadeonHD/RX via bridge
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@LiveForItQuote:
LiveForIt wrote:@joerg

My issue, don’t know what package system to use, don’t know what dependencies I need.


You can build it yourself very easily.

1. install the package manager Brew from https://brew.sh/ this will also install Xcode for MacOs. I'm not exactly sure which dependencies are needed for building directly, but if something is missing Brew will show it to you in the terminal.

2. on https://osdn.net/projects/qmiga/scm/git/qemu/summary clone the link in the upper right corner. With "git clone http://scm.osdn.net/gitroot/qmiga/qemu.git" via the terminal. If "git" or anything else is missing you can install packages with "brew install package name" via the terminal.

If the cloning was successful navigate to your user folder, there should be Qemu as SourceCode. Now you have to choose the right branch, you can do this via the terminal "cd /path/to/Qemu git checkout amigaone" you should now be on the right branch "Amigaone" and can then configure with:

"./configure --target-list=ppc-softmmu --disable-dbus-display --enable-slirp --enable-lto --disable-virglrenderer"

"make"

Also have a look in the folder Qemu/hw/ppc/ and read the file amigaone.c. There you will find an explanation how to configure the Uboot
bootloader and from where you can get the VGA,romfile. Similar it is done under Linux if all needed dependencies for compiling are fulfilled.

Everything else is also a little further up in the thread. I hope this will be helpful to them, otherwise let me know.

MacStudio ARM M1 Max Qemu//Pegasos2 AmigaOs4.1 FE / AmigaOne A1222plus AmigaOs4.1 FE
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Re: Pegasos2 with RadeonHD/RX via bridge
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@joerg
Quote:
fd000000 01000000 is "PCI alias memory", which I think is ISA related.

That's the device tree source from Linux that I've also used to implement these regions but what is ISA related mean? I understood it that it's the low part of pci-mem where e.g. the legacy ISA compatible VGA paged vram would show up and probably also used for BIOS emulation. I think this works so this region should be correct.

After quite some debuging I've found that Linux crashes on boot because it tries to access memory just below 1 GB while extracting the device tree even though it correctly listed memory to be 512MB before that. I have no idea why that happens but giving it -m 1g avoids this and actually boots with 1GB. But additionally to that the amigaone images from sourceforge use radeonfb so that needs to be emulated (also needs appropriate PC rom for that so I won't go into detail on that as it's unusable for graphics beyond console anyway) or change the command line on the CD to remove video option (but I could not find out how to change it from U-Boot becuse the setting there seems to be overridden by the CD).

So Linux now works apart from needing 1GB and not sure why it fails with less but maybe AmigaOS does not have this problem so I'm waiting for somebody with AmigaOne AOS version to try it. You need to make a boot disk like described on my pegasos2 page at http://zero.eik.bme.hu/~balaton/qemu/amiga/aos_pegasos2.html but for AmigaOne one needs to use slb_v2 instead of just copying files so you either need to do that on running AmigaOS or I think amitools can do that too but I don't know how so you need to figure out.

If somebody can confirm that the Linux images work with less than 1GB memory on real machine I'd be interested if somebody knows why it tries to access addresses above existing memory. What happens is a DSI is generated which is not handled that early when the device tree is read so it crashes but can't even print a crash log yet as it's too early in boot.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@balaton
Quote:
but what is ISA related mean?
ISA only supports 16 MB address space, with ISA you can only use this address space and not access the larger ~2GB PCI address space at 0x80000000-0xfcffffff.

Quote:
for AmigaOne one needs to use slb_v2 instead of just copying files so you either need to do that on running AmigaOS or I think amitools can do that too but I don't know how so you need to figure out.
IIRC amiga-fdisk supports installing a SLB into the RDB.

Quote:
If somebody can confirm that the Linux images work with less than 1GB memory on real machine I'd be interested if somebody knows why it tries to access addresses above existing memory.
Since there is a closed bug where it crashed with more than 700 MB RAM installed it has to work with less than 1 GB.
I had Linux installed on my AmigaOne XE, but that was a very long time ago and I don't remember how much RAM I had in the XE. Probably 256 or 512 MB.

The pictures on https://amigaone-linux.sourceforge.net/ for example
https://amigaone-linux.sourceforge.net/ppcboot4.php show a system with only 128 MB RAM running Linux.


Edited by joerg on 2023/7/31 7:01:21
Edited by joerg on 2023/7/31 7:07:32
Edited by joerg on 2023/7/31 7:07:57
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Re: Pegasos2 with RadeonHD/RX via bridge
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@joerg
Actually I was wrong about correctly detecting memory, it seems to always detect 512MB even if there's less so for now if you test this use -m 512 or -m 1g. There are also errors about invalid i2c communication while reading the SPD eeproms whcih I'm not sure is a bug in U-Boot not sending an ACK when expected or an error in emulation breaking the i2c state somewhere but this may be related to wrong memory detection.

Other than that there's not much progress, I've split up the patch and fixed the via-ide so this could be submitted to QEMU eventually but we would still need the firmware sources for that. According to a thread on amigaworld.net this was explored before and the user BillT there or @m3x here might have that source somewhere but I could not find it on line.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@balaton

The XE UBoot source was only partial. There were open parts for the main code and common shared routines. But other parts of UBoot core functions were binary only. This would include the "boota" code which remains hidden. Not that scanning a HDD for a boot block was anything real special.

On SF there is kernel source, at least for 3.10, which would include the A1 kernel patches.

https://sourceforge.net/projects/amigaone-linux/files/linux-image/

Have you got any further than UBoot menu? In the image I don't see the net installer booting at all but just a UBoot menu. Without nvram you will need to boot it from the menu. Or boota command on CLI. It's a normal auto boot CD.

Old kernels did have a limit on 750GB and IIRC that affected mainline x86 as well. The kernel on the installer is much newer. I had 2GB working in my A1 when I used it last.

As to radeonfb, that shouldn't take affect until the system is installed to HDD. I checked a net boot image just before and it wasn't set in cmdline. You can see this by mounting the iso image and checking the menu file at boot/menu.lst.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@Hypex
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But other parts of UBoot core functions were binary only. This would include the "boota" code which remains hidden.

https://sourceforge.net/p/uboot-pa6t/c ... /AmigaOneG3SE/cmd_boota.c

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Re: Pegasos2 with RadeonHD/RX via bridge
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@Hypex
I've tried the Linux isos from the same site but different dir here: https://sourceforge.net/projects/amiga ... x/files/debian-installer/ I can boot these but these do have video=radeonfb in their command line and it does take effect for the console as well.

There are two things you need: A vgabios that does not crash the BIOS emulator in the firmware and at least 512MB RAM given to virtual machine because it's not detecting memory size correctly if you have less. Then have to set Amiga boot options (despite booting Linux) to try CD first at the bottom within in the Boot options menu. Then escape to top level and choose use settings for this boot. Without also emulating a radeon card you'll probably only get some logs on serial though. I have some unmerged ati-vga patches and not sure those would be needed but it would not work for X or AmigaOS anyway so only good for testing Linux console. That's why I don't say how to run it as it likely would not work but I can confirm that Linux boots. It would be more interesting to test with AmigaOS which should be possible using SM502 driver the same way as with pegasos2 but I don't have that AmigaOS version so waiting for somebody to do this.

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Re: Pegasos2 with RadeonHD/RX via bridge
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@Hypex
As for the firmware I could include this in QEMU only if we have a corresponding source that it can be rebuilt from. It does not have to be the same 1.1.1 version that's available, I've read people had 1.1.4 and 2.0.0 versions also running on real machine so if we have source for those that would also be OK. The AmigaOne patches were in upstream U-Boot for a while until they were dropped for not being maintained any more so I could try to build it from a version before that happened but since that's untested on real hardware it's not the best way to test an emulation that's still incomplete because I won't know if it's something missing from firmware or from emulation if I get a problem. The commit that removed AmigaOne support from U-Boot also noted that it did not work for the last 12 releases before it was removed so not sure how far back should I go to get a working version. That's why I'm asking if anybody has a source for a version that's known to be working on real hardware then we can include that in QEMU. Otherwise it will only support booting Linux kernel directly (which I still need to implement then) but for AmigaOS people will need to get the firmware separately as QEMU can only distribute binary that also has the source.

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