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Diffstat (limited to 'results/classifier/118/performance/1693')
| -rw-r--r-- | results/classifier/118/performance/1693 | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/results/classifier/118/performance/1693 b/results/classifier/118/performance/1693 new file mode 100644 index 000000000..9e7ce24a3 --- /dev/null +++ b/results/classifier/118/performance/1693 @@ -0,0 +1,59 @@ +performance: 0.805 +graphic: 0.796 +architecture: 0.796 +mistranslation: 0.760 +files: 0.685 +device: 0.684 +network: 0.647 +vnc: 0.645 +socket: 0.632 +semantic: 0.629 +kernel: 0.622 +ppc: 0.612 +PID: 0.586 +permissions: 0.564 +risc-v: 0.563 +boot: 0.552 +TCG: 0.549 +debug: 0.517 +VMM: 0.506 +register: 0.500 +x86: 0.495 +peripherals: 0.428 +arm: 0.389 +assembly: 0.357 +hypervisor: 0.288 +KVM: 0.253 +user-level: 0.226 +virtual: 0.182 +i386: 0.086 + +qemu-system-nios2 not working on s390x (big endian) hosts +Description of problem: +qemu-system-nios2 fails to boot a Linux kernel on s390x hosts. +Steps to reproduce: +1. wget https://qemu-advcal.gitlab.io/qac-best-of-multiarch/download/day14.tar.xz +2. tar -xJf day14.tar.xz +3. cd day14/ +4. qemu-system-nios2 -nographic -kernel vmlinux.elf +Additional information: +When running with "-d in_asm", it seems like the code initially starts executing ok, but in one of the early translation blocks, there is a difference when comparing the log with a run from a x86 host: + +``` +IN: fdt_check_header +0xc81afd48: ldw r3,0(r4) +0xc81afd4c: srli r5,r3,24 +0xc81afd50: slli r2,r3,24 +0xc81afd54: or r2,r2,r5 +0xc81afd58: slli r5,r3,8 +0xc81afd5c: srli r3,r3,8 +0xc81afd60: andhi r5,r5,255 +0xc81afd64: andi r3,r3,65280 +0xc81afd68: or r2,r2,r5 +0xc81afd6c: or r2,r2,r3 +0xc81afd70: movhi r3,53262 +0xc81afd74: addi r3,r3,-275 +0xc81afd78: bne r2,r3,0xc81afde8 +``` + +On the x86 host, the branch at the end is not taken, while on the s390x host, the branch is taken. |