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Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platf
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform |
Date: |
Wed, 11 Nov 2015 15:16:37 +1100 |
On Wed, 2015-11-11 at 15:07 +1100, Alexey Kardashevskiy wrote:
>
> p/qemu-powernv/ppc64-softmmu/qemu-system-ppc64 -m 2048 -machine
> powernv \
> -nographic -vga none -initrd t/le.cpio -kernel t/vml420le -bios \
> skiboot.lid -smp 1,threads=1
>
> just hangs at:
>
> [1491287872,5] INIT: Waiting for kernel...
> [1493257423,5] Assuming kernel at 0x20000000
> [1494710040,5] INIT: Kernel loaded, size: 0 bytes (0 = unknown
> preload)
> [1497506414,5] INIT: 64-bit LE kernel discovered
> [1500827972,5] INIT: 64-bit kernel entry at 0x20010000
> [1505594383,3] OCC: No HOMER detected, assuming no pstates
> [1507983930,3] ELOG: Error getting buffer to log error
> [1556792870,5] Free space in HEAP memory regions:
> [1559724738,5] Region ibm,firmware-heap free: 12778984
> [1561377946,5] Region ibm,address@hidden
> free: 376992
> [1563789914,5] Total free: 13155976
> [1565066925,5] INIT: Starting kernel at 0x20010000, fdt at 0x30350610
> (size
> 0x2ce4)
Hrm, works for me, I've been testing various LE kernels including a
full ubuntu distro in there, we need to debug that further. Does that
same kernel actually work on real HW ?
> If I try LE disk image (ubuntu 14), it just crashes:
>
> p/qemu-powernv/ppc64-softmmu/qemu-system-ppc64 -m 2048 -machine
> powernv \
> -nographic -vga none img/u14_32GB_cuda7.qcow2 -bios skiboot.lid \
> -smp 1,threads=1
> qemu: hardware error: qemu: could not load kernel'(null)'
Right, we don't load kernels from disk, you need to pass a -kernel that
typically is the openpower bootloader (Linux + petitboot). My plan is
to make the pnv platform automatically extract these things from a ROM
image of an openpower eval board (aka palmetto) which you can build
from github. It's a bit too big to include as a binary in qemu however
(about 16M).
> Right. With the note that it goes with -bios :)
Not necessarily, it will be in the right place and loaded without an
explicit -bios.
Cheers,
Ben.
- [Qemu-devel] [PATCH 70/77] ppc: Add dummy CIABR SPR, (continued)
- [Qemu-devel] [PATCH 70/77] ppc: Add dummy CIABR SPR, Benjamin Herrenschmidt, 2015/11/10
- [Qemu-devel] [PATCH 75/77] ppc: Add dummy logmpp instruction, Benjamin Herrenschmidt, 2015/11/10
- [Qemu-devel] [PATCH 74/77] ppc: Print HSRR0/HSRR1 in "info registers", Benjamin Herrenschmidt, 2015/11/10
- [Qemu-devel] [PATCH 76/77] ppc: Add slbfee. instruction, Benjamin Herrenschmidt, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/10
- Re: [Qemu-devel] [PATCH 00/77] ppc: Add "native" POWER8 platform, Eric Blake, 2015/11/10
- Re: [Qemu-devel] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Alexey Kardashevskiy, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Alexey Kardashevskiy, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Alexey Kardashevskiy, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/10
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Alexander Graf, 2015/11/27
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/28
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Alexander Graf, 2015/11/28
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/28
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Cédric Le Goater, 2015/11/30
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/30
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Cédric Le Goater, 2015/11/30
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 00/77] ppc: Add "native" POWER8 platform, Benjamin Herrenschmidt, 2015/11/30