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c803ce3f18
ARMv8R adds support for VBAR and updates ID_PFR1 with the new filed Sec_frac (bits [23:20]): Security fractional field. When the Security field is 0000, determines the support for features from the ARMv7 Security Extensions. Permitted values are: 0000 No features from the ARMv7 Security Extensions are implemented. This value is not supported in ARMv8 if ID_PFR1 bits [7:4] are zero. 0001 The implementation includes the VBAR, and the TCR.PD0 and TCR.PD1 bits. 0010 As for 0001, plus the ability to access Secure or Non-secure physical memory is supported. All other values are reserved. This field is only valid when ID_PFR1[7:4] == 0, otherwise it holds the value 0000. Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
README |
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.