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On January 5, Google officially announced that Android will support the RISC-V instruction set at the RISC-V Summit held last December.

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RISC-V is an open source instruction set architecture that has been sought after by the industry in recent years. Benefiting from its advantages of simplicity, modularity, scalability, open source and free of charge, RISC-V has been used by thousands of chip design manufacturers. After gaining a foothold in the Internet of Things market, RISC-V is also actively entering the mobile, PC and server markets, and has a great potential to compete with x86 and ARM.

According to the latest data released by the global open standards organization RISC-V International, the RISC-V International community has achieved impressive growth milestones and technological progress in the past year. Among them, the number of members of RISC-V International increased by more than 26% year on year, with more than 3180 members in 70 countries/regions. Today, there are more than 10 billion RISC-V cores in the market, and tens of thousands of engineers worldwide are committed to the RISC-V program.

In terms of mobile applications, last October, the code patch collection of RISC-V porting Android contributed by Alibaba Pingtou was included in the system source code by the Android AOSP community, and became the first official patch of RISC-V compatible with Android in the world, which means that the Android community has started its native support for RISC-V architecture. Now anyone can try the riscv64 branch of Android. However, at present, the commercial Android system led by Google has not yet supported RISC-V.

The current Google Android system has very limited support for RISC-V because it does not support the Android Runtime (ART) for Java workloads. Most Android applications are released using Java code, which means that at present, few applications will support RISC-V on Android. Now, Google said that the official simulator support is coming soon, and ART support is expected to come sometime in the first quarter of 2023.

Once ART support comes, Java can be translated into RISC-V to some extent, so most Android applications will run without additional work of developers.

Lars Bergstrom, Google's Android engineering director, said in a speech at the RISC-V Summit that he hoped that RISC-V would be regarded as the "first-class platform" in Android.

This article is selected from:芯智讯