ARM says it will keep supplying Huawei with its chip designs after determining that Armv8-A and its next-gen architecture are of non-US origin
Context & Ripple Effects
In May, a leaked memo showed ARM telling staff to suspend all Huawei business — active contracts, support, pending engagements — on the assumption the US ban reached it. Ars Technica's June export-law analysis laid out why a UK company could still be caught: US-origin content and technology inside the supply chain trigger jurisdiction. ARM's new position is that Armv8-A and its next-generation architecture are of non-US origin, removing that trigger.
That legal reading is what makes Huawei's later silicon path possible: by 2023, the Kirin 9000S mixed stock Arm CPU designs with Huawei-modified Arm designs alongside HiSilicon's own GPU. The counterweight came in 2022, when Arm concluded the US and UK would not approve exporting Neoverse V to Alibaba — showing the non-US-origin defense holds for the base architecture but not for high-performance designs.
First-order effects
- Huawei's HiSilicon regains legal access to Armv8-A and the next-gen architecture for Kirin chips, and ARM restores the contracts, support entitlements, and pending engagements it froze in May.
- ARM keeps Huawei as a paying licensee instead of losing its largest Chinese customer to a rival architecture — the alternative to a favorable origin determination.
Second-order effects
- Other foreign chip companies caught in the ban's reach now have a template: a documented non-US-origin analysis can restart business, forcing US regulators to decide whether to close that opening.
- The split with the Alibaba case creates a two-tier licensing regime — base Arm architectures flow to China while high-performance Neoverse designs stay blocked — pushing Chinese firms toward modified or in-house designs.
Third-order effects
- If origin determinations remain the deciding test, export-control jurisdiction turns into a contested legal boundary that chip vendors can engineer around, and the Kirin 9000S's blend of stock and Huawei-modified Arm designs previews a bifurcated Arm ecosystem: one lineage for China, one for everyone else.
- Sustained restrictions on the high-performance tier push Chinese designers to build around the base architecture — accelerating the domestic-design capability that Washington's curbs were meant to delay.
The trend: US chip export controls are being tested at the level of legal origin determinations, with architecture licensing becoming the seam where US-China tech decoupling is negotiated design by design.