Ruslan Bukin
2d53a67c2c
o Add driver for PLIC (Platform-Level Interrupt Controller) device.
...
o Convert interrupt machdep support to use INTRNG code.
Sponsored by: DARPA, AFRL
2018-06-12 17:45:15 +00:00
Ruslan Bukin
98f50c44e3
Update RISC-V port to Privileged Architecture Version 1.9.
...
Sponsored by: DARPA, AFRL
Sponsored by: HEIF5
2016-08-02 14:50:14 +00:00
Ruslan Bukin
00106e52c2
Add the non-standard "IO interrupt" vector used by lowRISC.
...
For now they provide UART irq only.
Sponsored by: DARPA, AFRL
Sponsored by: HEIF5
2016-04-26 12:56:44 +00:00
Ruslan Bukin
17696c12f5
Add support for symmetric multiprocessing (SMP).
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Tested on Spike simulator with 2 and 16 cores (tlb enabled),
so set MAXCPU to 16 at this time.
This uses FDT data to get information about CPUs
(code based on arm64 mp_machdep).
Invalidate entire TLB cache as it is the only way yet.
Sponsored by: DARPA, AFRL
Sponsored by: HEIF5
2016-02-24 16:50:34 +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
