[Feature] add abstraction for different platform #4353
Description
Checklist
- 1. If the issue you raised is not a feature but a question, please raise a discussion at https://github.com/sgl-project/sglang/discussions/new/choose Otherwise, it will be closed.
- 2. Please use English, otherwise it will be closed.
Motivation
as titled
#4321 is ugly :)
@Alcanderian will help add abstraction
Related resources
No response