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authorTom Rini <trini@konsulko.com>2023-07-10 21:29:14 +0300
committerTom Rini <trini@konsulko.com>2023-07-10 21:29:14 +0300
commit146a82c017d51eb2c3b8be33854f200f1e52a1cb (patch)
treec2bb134d105bcc9855e6c39ac5b422e5416735ff /doc/board/xen/xenguest_arm64.rst
parent05aa6516c6bb419d01d69fac457c0de563bfd694 (diff)
parent76c61f29d63163d178b1584ecc9fc2c96c538ff0 (diff)
downloadu-boot-146a82c017d51eb2c3b8be33854f200f1e52a1cb.tar.xz
Merge branch 'next'
Diffstat (limited to 'doc/board/xen/xenguest_arm64.rst')
-rw-r--r--doc/board/xen/xenguest_arm64.rst10
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/board/xen/xenguest_arm64.rst b/doc/board/xen/xenguest_arm64.rst
index 1327f88f99..e9bdaf7ffb 100644
--- a/doc/board/xen/xenguest_arm64.rst
+++ b/doc/board/xen/xenguest_arm64.rst
@@ -6,7 +6,7 @@ Xen guest ARM64 board
This board specification
------------------------
-This board is to be run as a virtual Xen [1] guest with U-boot as its primary
+This board is to be run as a virtual Xen [1] guest with U-Boot as its primary
bootloader. Xen is a type 1 hypervisor that allows multiple operating systems
to run simultaneously on a single physical server. Xen is capable of running
virtual machines in both full virtualization and para-virtualization (PV)
@@ -16,7 +16,7 @@ Paravirtualized drivers are a special type of device drivers that are used in
a guest system in the Xen domain and perform I/O operations using a special
interface provided by the virtualization system and the host system.
-Xen support for U-boot is implemented by introducing a new Xen guest ARM64
+Xen support for U-Boot is implemented by introducing a new Xen guest ARM64
board and porting essential drivers from MiniOS [3] as well as some of the work
previously done by NXP [4]:
@@ -39,7 +39,7 @@ previously done by NXP [4]:
Board limitations
-----------------
-1. U-boot runs without MMU enabled at the early stages.
+1. U-Boot runs without MMU enabled at the early stages.
According to Xen on ARM ABI (xen/include/public/arch-arm.h): all memory
which is shared with other entities in the system (including the hypervisor
and other guests) must reside in memory which is mapped as Normal Inner
@@ -54,14 +54,14 @@ Board limitations
2. No serial console until MMU is up.
Because data cache maintenance is required until the MMU setup the
early/debug serial console is not implemented. Therefore, we do not have
- usual prints like U-boot’s banner etc. until the serial driver is
+ usual prints like U-Boot’s banner etc. until the serial driver is
initialized.
3. Single RAM bank supported.
If a Xen guest is given much memory it is possible that Xen allocates two
memory banks for it. The first one is allocated under 4GB address space and
in some cases may represent the whole guest’s memory. It is assumed that
- U-boot most likely won’t require high memory bank for its work andlaunching
+ U-Boot most likely won’t require high memory bank for its work andlaunching
OS, so it is enough to take the first one.