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Xiangyang Wu 4dc39fdb8e HV:treewide:Add 16-bit atomic operations and update vpid type 
There are some integer type conversions reported by static
analysis tool for vcpu id, number of created vcpus, and
vpid, to reduce these type conversions, redesign vcpu id,
number of created vcpus, and vpid type as uint16_t as per
their usage, related 16-bit atomic operations shall be
added in HV.
MISRA C requires that all unsigned constants should have the suffix 'U'
(e.g. 0xffU), but the assembler may not accept such C-style constants.

Add 16-bit atomic add/dec/store operations;
Update temporary variables type and parameters type of
related caller;
Update vpid type as uint16_t;
Replace Macro with constant value for CPU_PAGE_SIZE.

Note: According to SDM A.10, there are some bits defined
in the IA32_VMX_EPT_VPID_CAP MSR to support the INVVPID
instruction, these bits don't mean actual VPID, so
the vpid field in the data struct vmx_capability doesn't
be updated.

V1--V2:
	update comments for assembly code as per coding style;

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
2018-07-11 21:27:08 +08:00
..
arch/x86 HV:treewide:Add 16-bit atomic operations and update vpid type 2018-07-11 21:27:08 +08:00
boot HV: build: make relocation-related code configurable 2018-07-11 19:18:26 +08:00
bsp hv: EFI can load Hypervisor to address other than COMNFIG_RAM_START 2018-07-11 10:25:16 +08:00
common hv: fixup addresses in the c code for relocation 2018-07-11 10:25:16 +08:00
debug HV: Do not return expression contains subexpression 2018-07-10 15:55:33 +08:00
include HV:treewide:Add 16-bit atomic operations and update vpid type 2018-07-11 21:27:08 +08:00
lib hv: fix 'Pointer arithmetic is not on array' 2018-07-11 10:26:10 +08:00
scripts/kconfig HV: make: rename minimalconfig to savedefconfig 2018-06-15 15:50:09 +08:00
Kconfig HV: config: add Kconfig and defconfigs for sbl & uefi 2018-06-08 17:21:13 +08:00
MAINTAINERS update home page information 2018-05-15 17:19:39 +08:00
Makefile HV: build: make relocation-related code configurable 2018-07-11 19:18:26 +08:00
README.rst initial import 2018-05-11 14:44:28 +08:00

README.rst 

Embedded-Hypervisor
###################

This open source embedded hypervisor defines a software architecture for
running multiple software subsystems managed securely on a consolidated
system (by means of a virtual machine manager), and defines a reference
framework Device Model implementation for devices emulation

This embedded hypervisor is type-1 reference hypervisor, running
directly on the system hardware. It can be used for building software
defined cockpit (SDC) or In-Vehicle Experience (IVE) solutions running
on Intel Architecture Apollo Lake platforms. As a reference
implementation, it provides the basis for embedded hypervisor vendors to
build solutions with an open source reference I/O mediation solution,
and provides auto makers a reference software stack for SDC usage.

This embedded hypervisor is able to support both Linux* and Android* as
a Guest OS, managed by the hypervisor, where applications can run.

This embedded hypervisor is a partitioning hypervisor reference stack,
also suitable for non-automotive IoT & embedded device solutions. It
will be addressing the gap that currently exists between datacenter
hypervisors, hard partitioning hypervisors, and select industrial
applications.  Extending the scope of this open source embedded
hypervisor relies on the involvement of community developers like you!