4 commits

Author	SHA1	Message	Date
Ruslan Bukin	157654d0c4	Permit supervisor to access user VA space for certain functions only. ... This is done by setting SUM (permit Supervisor User Memory access) bit in sstatus register. The functions we allow access for are routines in assembly that explicitly handle crossing the user kernel boundary. Approved by: re (kib) Sponsored by: DARPA, AFRL	2018-09-05 11:34:58 +00:00
Ruslan Bukin	2ad1d09f16	o Add support for long double. ... o Add support for latest RISC-V GNU toolchain. Sponsored by: DARPA, AFRL Sponsored by: HEIF5	2016-11-03 13:06:17 +00:00
Ruslan Bukin	e3ee7f49f1	Access pcpup using gp register.	2016-02-04 14:30:46 +00:00
Ruslan Bukin	8d7e7a98db	Import RISC-V machine headers. This is a minimal set required to compile ... kernel and userland. Reviewed by: andrew, imp, kib Sponsored by: DARPA, AFRL Sponsored by: HEIF5 Differential Revision: https://reviews.freebsd.org/D4554	2015-12-17 18:44:30 +00:00