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0264405b84
* a set of patches from Lars-Peter Clausen to generalize asm/mmu.h and use it in the architectures that don't need any special handling. * A patch from Will Deacon to remove the {read,write}s{b,w,l} as discussed during the arm64 review * A patch from James Hogan that helps with the meta architecture series. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAUNTEqmCrR//JCVInAQIYcA//TgSeG0Q+7bxvOhwk7Xl6njafe+v8CZxa aKpC+HayxoXpZqdBk1JY9o9yj05BwOElPirE6j0FL0pQrDAIO+X8zKM86a4RSo1E aLRoSgFCi9JA467ujDTAOIF3cg1EfNdlqTS9TtJ4Qo4iI0uAurgslULSq8a/Lcm/ M0m0jMa327giGdyxRx0ZBMvgn+/hSx7ltrpIVAGRIA1TRBW+nQI0Guk3MjUrmeV8 r8nksECwxqy98vX9MMZ0aN4+15CeGriiRYWaBBC7acrJHYOFoJuxCbNrhlBbzsCw hYRU9Sz+WC2fB6hqTCnF2UMGL5Nh4pMY2hMV5e5+pTqge5+xnW6pGbyDL/+E6zwt vmYeDm8tOAUaQCvJGuk4l6bH7EeTb2rC8rV+I+UoI2NWSPSfpYqQ778s7PEwTMsJ KRwqFbxlF9gMgfgn1nJOSBYFnMZ/sH7Fr5uIPe3PGgJ+WB8WHTIstOKaEOMeTDVk TMlEAeui9i6Jcb7nt7IXHZFUAdNLY937Er3feqq5Ulchh+9QGIp0EBRDAvM6CvwC C0KKZG2LAZcDFuPBvZN6qZvq69QR1q+uJsKSpFIxXD+n3K73hky8YcmUF3LrQFz0 R8m3ZKYnHMR+LVDFgY7fPYdxxAVrJFNLPVZ4+q3ZWvB8k49VfURfvJYjjANC4SUw vuN84glbYVE= =uewR -----END PGP SIGNATURE----- Merge tag 'asm-generic' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic cleanup from Arnd Bergmann: "These are a few cleanups for asm-generic: - a set of patches from Lars-Peter Clausen to generalize asm/mmu.h and use it in the architectures that don't need any special handling. - A patch from Will Deacon to remove the {read,write}s{b,w,l} as discussed during the arm64 review - A patch from James Hogan that helps with the meta architecture series." * tag 'asm-generic' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: xtensa: Use generic asm/mmu.h for nommu h8300: Use generic asm/mmu.h c6x: Use generic asm/mmu.h asm-generic/mmu.h: Add support for FDPIC asm-generic/mmu.h: Remove unused vmlist field from mm_context_t asm-generic: io: remove {read,write} string functions asm-generic/io.h: remove asm/cacheflush.h include |
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README.openrisc | ||
TODO.openrisc |
OpenRISC Linux ============== This is a port of Linux to the OpenRISC class of microprocessors; the initial target architecture, specifically, is the 32-bit OpenRISC 1000 family (or1k). For information about OpenRISC processors and ongoing development: website http://openrisc.net For more information about Linux on OpenRISC, please contact South Pole AB. email: info@southpole.se website: http://southpole.se http://southpoleconsulting.com --------------------------------------------------------------------- Build instructions for OpenRISC toolchain and Linux =================================================== In order to build and run Linux for OpenRISC, you'll need at least a basic toolchain and, perhaps, the architectural simulator. Steps to get these bits in place are outlined here. 1) The toolchain can be obtained from openrisc.net. Instructions for building a toolchain can be found at: http://openrisc.net/toolchain-build.html 2) or1ksim (optional) or1ksim is the architectural simulator which will allow you to actually run your OpenRISC Linux kernel if you don't have an OpenRISC processor at hand. git clone git://openrisc.net/jonas/or1ksim-svn cd or1ksim ./configure --prefix=$OPENRISC_PREFIX make make install 3) Linux kernel Build the kernel as usual make ARCH=openrisc defconfig make ARCH=openrisc 4) Run in architectural simulator Grab the or1ksim platform configuration file (from the or1ksim source) and together with your freshly built vmlinux, run your kernel with the following incantation: sim -f arch/openrisc/or1ksim.cfg vmlinux --------------------------------------------------------------------- Terminology =========== In the code, the following particles are used on symbols to limit the scope to more or less specific processor implementations: openrisc: the OpenRISC class of processors or1k: the OpenRISC 1000 family of processors or1200: the OpenRISC 1200 processor --------------------------------------------------------------------- History ======== 18. 11. 2003 Matjaz Breskvar (phoenix@bsemi.com) initial port of linux to OpenRISC/or32 architecture. all the core stuff is implemented and seams usable. 08. 12. 2003 Matjaz Breskvar (phoenix@bsemi.com) complete change of TLB miss handling. rewrite of exceptions handling. fully functional sash-3.6 in default initrd. a much improved version with changes all around. 10. 04. 2004 Matjaz Breskvar (phoenix@bsemi.com) alot of bugfixes all over. ethernet support, functional http and telnet servers. running many standard linux apps. 26. 06. 2004 Matjaz Breskvar (phoenix@bsemi.com) port to 2.6.x 30. 11. 2004 Matjaz Breskvar (phoenix@bsemi.com) lots of bugfixes and enhancments. added opencores framebuffer driver. 09. 10. 2010 Jonas Bonn (jonas@southpole.se) major rewrite to bring up to par with upstream Linux 2.6.36