{"id":25016806,"url":"https://github.com/mezantrop/i486sx_soft_fpu","last_synced_at":"2025-03-30T07:43:25.359Z","repository":{"id":272990233,"uuid":"918396476","full_name":"mezantrop/i486SX_soft_FPU","owner":"mezantrop","description":"Bring back FPU emulation for i486SX CPU on NetBSD","archived":false,"fork":false,"pushed_at":"2025-03-22T22:00:00.000Z","size":195,"stargazers_count":1,"open_issues_count":1,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-03-22T23:17:54.892Z","etag":null,"topics":["fpu-emulator","i386","i486","netbsd"],"latest_commit_sha":null,"homepage":"","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"bsd-2-clause","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/mezantrop.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2025-01-17T21:02:58.000Z","updated_at":"2025-03-12T16:41:19.000Z","dependencies_parsed_at":null,"dependency_job_id":"bb23ac01-9da8-4e06-bee4-09eb70dab55d","html_url":"https://github.com/mezantrop/i486SX_soft_FPU","commit_stats":null,"previous_names":["mezantrop/i486sx_soft_fpu"],"tags_count":1,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mezantrop%2Fi486SX_soft_FPU","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mezantrop%2Fi486SX_soft_FPU/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mezantrop%2Fi486SX_soft_FPU/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mezantrop%2Fi486SX_soft_FPU/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mezantrop","download_url":"https://codeload.github.com/mezantrop/i486SX_soft_FPU/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":246290578,"owners_count":20753724,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["fpu-emulator","i386","i486","netbsd"],"created_at":"2025-02-05T09:54:33.412Z","updated_at":"2025-03-30T07:43:25.352Z","avatar_url":"https://github.com/mezantrop.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Bring back FPU emulation for i486SX CPU on NetBSD\n\nEssentially, this patchest tries to bring back `options MATH_EMULATE` in the kernel configuration file by reverting\nthe [dfe83e0](https://github.com/NetBSD/src/commit/dfe83e08ca9688dd195a43113e7bc7c58fcdd14a) commit and adoprting it\nto the current stage of NetBSD code.\n\n## Disclaimer\n\n  **Warning! This is a work-in-progress project: nothing runs properly!**\n\n## Installation\n\n* Read [Chapter 32. Obtaining the sources](https://www.netbsd.org/docs/guide/en/chap-fetch.html)\n* Read [Chapter 34. Compiling the kernel](https://www.netbsd.org/docs/guide/en/chap-kernel.html)\n\n* Add the repository contents under `/src/sys/arch` on NetBSD 10.x machine, then run:\n\n``` sh\n$ cd /usr/src/sys/arch/i386/conf/\n$ vi GENERIC_TINY_486SX       # or GENERIC_PS2TINY_486SX or create your own kernel configuration with \"options MATH_EMULATE\"\n$ config GENERIC_TINY_486SX\n$ cd ../compile/GENERIC_TINY_486SX\n$ make depend\n$ make\n\n# If everythig good, install the new kernel under root:\n# mv /netbsd /netbsd.old\n# mv netbsd /\n```\n\n## Prebuilt drive image\n\nIt will appear eventually under [Releases](https://github.com/mezantrop/i486SX_soft_FPU/releases)\n\n## Contacts\n\nIf you have an idea, a question, or have found a problem, do not hesitate to open an issue or mail me\ndirectly: [Mikhail Zakharov](zmey20000@yahoo.com). My changes to the original Linus Torvalds and NetBSD code are\nlicensed under BSD-2-Clause license\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmezantrop%2Fi486sx_soft_fpu","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmezantrop%2Fi486sx_soft_fpu","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmezantrop%2Fi486sx_soft_fpu/lists"}