Messages in this thread | | | Subject | Re: [PATCH v3 00/16] powerpc/32: Use BATs/LTLBs for STRICT_KERNEL_RWX | From | Christophe Leroy <> | Date | Thu, 21 Feb 2019 08:42:20 +0100 |
| |
Le 21/02/2019 à 07:31, Christophe Leroy a écrit : > > > Le 21/02/2019 à 02:47, Michael Ellerman a écrit : >> Christophe Leroy <christophe.leroy@c-s.fr> writes: >> >>> The purpose of this serie is to: >>> - use BATs with STRICT_KERNEL_RWX on book3s (See patch 13 for details.) >>> - use LTLBs with STRICT_KERNEL_RWX on 8xx (See patch 15 for a few >>> details.) >> >> This doesn't boot qemu-mac99 for me: >> >> spawn ~/src/qemu/ppc-softmmu/qemu-system-ppc -nographic -vga none >> -M mac99 -m 1G -kernel build/vmlinux -initrd ppc32-initrd.gz -append >> console=ttyPZ0 init=/bin/sh >> >> ============================================================= >> >> OpenBIOS 1.1 [Feb 15 2019 10:05] >> >> Configuration device id QEMU version 1 machine id 1 >> >> CPUs: 1 >> >> Memory: 1024M >> >> UUID: 00000000-0000-0000-0000-000000000000 >> >> CPU type PowerPC,G4 >> milliseconds isn't unique. >> Welcome to OpenBIOS v1.1 built on Feb 15 2019 10:05 >> >> [ppc] Kernel already loaded (0x01000000 + 0x00c2c338) (initrd >> 0x01d2d000 + 0x007e72f0) >> >> [ppc] Kernel command line: console=ttyPZ0 init=/bin/sh >> >> switching to new context: >> OF stdout device is: /pci@f2000000/mac-io@c/escc@13000/ch-a@13020 >> Preparing to boot Linux version >> 5.0.0-rc2-gcc-8.2.0-00125-g4fcb83ca7936 (michael@ka4) (gcc version >> 8.2.0 (Buildroot 2018.11-rc2-00003-ga0787e9)) #724 Thu Feb 21 12:03:14 >> AEDT 2019 >> Detected machine type: 00000400 >> command line: >> memory layout at init: >> memory_limit : 00000000 (16 MB aligned) >> alloc_bottom : 02515000 >> alloc_top : 30000000 >> alloc_top_hi : 40000000 >> rmo_top : 30000000 >> ram_top : 40000000 >> copying OF device tree... >> Building dt strings... >> Building dt structure... >> Device tree strings 0x02516000 -> 0x025150a4 >> Device tree struct 0x02517000 -> 0x3fde7eb0 >> Quiescing Open Firmware ... >> Booting Linux via __start() @ 0x01000000 ... >> FAIL! Booting BE pmac32 >> >> >> That's pmac32 defconfig ish. >> I haven't had time to debug it further sorry. >> > > Ok. I boots fine without the '-m 1G'. > > I'll find out why. >
Doesn't boot because it maps memory above total_lowmem.
I'll fix it.
Christophe
| |