Roger Pau Monné 399386f190 x86/xen: introduce non-hypercall based emergency print ... The current xc_printf() function uses an hypercall in order to send character buffers to the hypervisor for it to print on the hypervisor console (if the hypervisor is configured to print such messages). This requires the hypercall page to be initialized, which is extra work and can go wrong. On x86 instead of using the console IO hypercall use the debug console IO port, also called "port E9 hack". This allows sending characters to Xen using an outb instruction, without any initialization required. Keep the previous hypervisor based implementation by using the weak attribute, which allows each architecture to provide an alternate (arch-specific) implementation. Sponsored by: Cloud Software Group Reviewed by: markj Differential revision: https://reviews.freebsd.org/D43929		2024-02-22 11:08:03 +01:00
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evtchn	x86/xen: fix out of bounds access to the event channel masks on resume	2024-02-22 11:08:03 +01:00
xenbus	xen/dev: remove __unused from driver argument of identify functions	2023-11-28 13:32:57 +01:00
xenmem	sys: Remove $FreeBSD$: one-line sh pattern	2023-08-16 11:54:58 -06:00
xenstore
blkif.h
error.h
evtchn.h
features.c
features.h
gntdev.h
gnttab.h	xen: add SPDX license tags to Xen headers	2023-12-15 14:59:25 +01:00
hvm.h	xen/x86: move x86-only variable out of common	2023-11-28 13:30:40 +01:00
hypervisor.h
privcmd.h	xen: add SPDX license tags to Xen headers	2023-12-15 14:59:25 +01:00
xen_common.c	xen: remove xen_domain_type enum/variable	2023-11-28 13:40:19 +01:00
xen_intr.h
xen_pv.h
xen-os.h	x86/xen: introduce non-hypercall based emergency print	2024-02-22 11:08:03 +01:00