src/sys/riscv/include/memdev.h, branch releng/14.2

sys: Remove $FreeBSD$: two-line .h pattern

2023-08-16T17:54:11+00:00

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

riscv: Add memmmap so we can mmap /dev/mem

2020-10-01T15:04:55+00:00

Reviewed by:	mhorne
Sponsored by:	Axiado
Differential Revision:	https://reviews.freebsd.org/D26622

Add the MEM_EXTRACT_PADDR ioctl to /dev/mem.

2020-09-02T18:12:47+00:00

This allows privileged userspace processes to find information about the
physical page backing a given mapping.  It is useful in applications
such as DPDK which perform some of their own memory management.

Reviewed by:	kib, jhb (previous version)
MFC after:	2 weeks
Sponsored by:	Juniper Networks, Inc.
Sponsored by:	Klara Inc.
Differential Revision:	https://reviews.freebsd.org/D26237

Import RISC-V machine headers. This is a minimal set required to compile

2015-12-17T18:44:30+00:00

kernel and userland.

Reviewed by:	andrew, imp, kib
Sponsored by:	DARPA, AFRL
Sponsored by:	HEIF5
Differential Revision:	https://reviews.freebsd.org/D4554