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authorKamen Mladenov <kamen@syndamia.com>2025-03-27 13:25:05 +0200
committerKamen Mladenov <kamen@syndamia.com>2025-04-04 11:03:00 +0300
commita30b4022fa85320806b8b4d004ea713b68df6566 (patch)
treedae482b317a9fb331c2ddf3a831d55bd754d5649 /zkvms/risc0/default.nix
parent696e6041a88f2ed5d0d3a699a7af55252ecba1ca (diff)
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feat(zkvms/risc0): Implement elf encoding
Recently, RISC0 have added code to their SDK which adds magic bytes to the (already compiled) ELF. Since we're taking another route than intended, we'll need to replicate this step too. We're doing things in a different fashion, because their SDK normally compiles the guest, and doesn't allow you to supply a prebuilt ELF.
Diffstat (limited to 'zkvms/risc0/default.nix')
-rw-r--r--zkvms/risc0/default.nix7
1 files changed, 6 insertions, 1 deletions
diff --git a/zkvms/risc0/default.nix b/zkvms/risc0/default.nix
index 6a4b796..132bce2 100644
--- a/zkvms/risc0/default.nix
+++ b/zkvms/risc0/default.nix
@@ -23,10 +23,15 @@ in zkvmLib.buildPackage craneLib (commonArgs // {
guestTarget = "riscv32im-risc0-zkvm-elf";
+ postBuildGuest = ''
+ cd ../guest_elf_patch
+ cargo run --release
+ '';
+
preBuild = ''
# Used for verification
# https://github.com/risc0/risc0/blob/881e512732eca72849b2d0e263a1242aba3158af/risc0/build/src/lib.rs#L192-L195
- export GUEST_ID="$(${metacraft-labs.risc0}/bin/r0vm --elf ./host/src/guest --id)"
+ export GUEST_ID="$(${metacraft-labs.risc0}/bin/r0vm --elf ./src/guest --id)"
'';
preRunBinaries = [ metacraft-labs.risc0 ];