sorear changed the topic of #riscv to: RISC-V instruction set architecture | https://riscv.org | Logs: https://libera.irclog.whitequark.org/riscv
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<conchuod> Hmm, so I am seeing boot failures on icicle w/ defcondig builds
<conchuod> Dies really early on, appears to be caused by flatmem
<conchuod> (or at least, switching to sparsemem works)
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<Esmil> atishp[m][m]: Heinrich tells me there are patches for review in grub to fix it, but until then this works for me: echo -ne 'RISCV\x00\x00\x00RSC\x05' | dd of=vmlinuz.efi bs=12 seek=4 conv=notrunc
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<conchuod> IIRC from the last time I looked at this, something between 5.12 and 5.15 massively regressed boot times on icicle and enabling sparsemem sorts that out too. I never bisected it since all of our stuff was out of tree then.
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<bjdooks> right, battle 2 done with qemu
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<conchuod> What's it this time bjdooks ?
<bjdooks> trying to get a dw-pcie working with qemu dw-pcie
<bjdooks> the answer is both side has bugs
<bjdooks> and uboot makes a pile of assumptions of support qemu didn't have
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<bjdooks> let's have some fun debootstraping a riscv64-debian image
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<bjdooks> oh /o\, debian's bash segfaults
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<ornx> addiw t0, t0, 0b111111111111 <- why this doesnt work??
<ornx> in gcc as
<ornx> the spec says i get 12 bits..
<jrtc27> signed 12 bit value
<jrtc27> your value is bigger than 2047
<ornx> if its signed then isnt it -2048?
<jrtc27> in the encoding it's signed, in the assembly source it's an XLEN-bit integer that needs to be within range
<jrtc27> 0b1111111111111111111111111111111111111111111111111111111111111111 works but is silly
<muurkha> heh
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<ornx> lol ty, that works
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<conchuod> Esmil: Mr. LEDs, what you plan on doing w/ that icicle led patch?
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<somlo> trying to build the current (well, as of yesterday) Linus tree using `make olddefconfig` against fedora-riscv64's current config file
<somlo> getting "arch/riscv/kvm/vcpu.c:271: undefined reference to `riscv_cbom_block_size'"
<somlo> is there a patch percolating somewhere in someone's riscv-specific repo that already deals with that ? :)
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<somlo> conchuod: thanks!
<conchuod> Although that one is for riscv_init_cbom_blocksize()/riscv_init_cbom_blocksize() I think...
<conchuod> meh bad copy paste
<conchuod> Although that one has been superseded, it should fix the build for you
<somlo> right, thanks again! (I'm trying to debug the litex uart driver, so fixing the build is all I need :)
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<Esmil> conchuod: my understanding was the Geert thought it was better to wait until the gpio driver was accepted, but if it makes your life easier i'll gladly send it
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<conchuod> Ehh idk, dt reflecting reality would be nice.
<conchuod> There's a good amount of changes needed to that GPIO driver so it may take a while before something gets upstreamed for it.
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<Esmil> conchuod: ack
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<atishp[m][m]> Esmil: Yes. I sent the patches 2 weeks back. That updates the header to correct magic value. Hopefully, they will be merged upstream in next few weeks
<Esmil> atishp[m][m]: ah cool
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