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Work nasa#384, nasa#640, nasa#672, Minor fixes to osal config guide (n…
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* Minor documentation enhancements
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Kronos3 authored and pepepr08 committed Jun 9, 2021
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32 changes: 12 additions & 20 deletions doc/OSAL-Configuration-Guide.md
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Expand Up @@ -56,22 +56,7 @@ These terms are identified as proper nouns and are capitalized.
| MMU | Memory Management Unit. A piece of hardware that manages virtual memory systems. It automatically translates addresses into physical addresses so that an application can be linked with one set of addresses but actually reside in a different part of memory. |
| Network | A connection between subsystems used for communication purposes. |
| Platform | See "Hardware Platform" above. |
| User | Anyone who interacts with the Software Application or system in its operational state. A user can be a developer, a tester, an operator, or a maintainer.
| Application (APP) | A generic term for a computer program in a desktop or embedded system. An Application is generally not part of the operating system. |
| Application Programmer's Interface (API) | A set of routines, protocols, and tools for building software applications |
| Board Support Package (BSP) | A collection of user-provided facilities that interface an OS and the cFE with a specific hardware platform. The BSP is responsible for hardware initialization. |
| Core Flight Executive (cFE) | A runtime environment and a set of services for hosting FSW Applications |
| Cyclic Redundancy Check | A polynomial based method for checking that a data set has remained unchanged from one time period to another. |
| Developer | Anyone who is coding a software Application. |
| Hardware Platform | The target hardware that hosts the Operating System and Application. |
| Interface Control Document | A document that describes the software interface, in detail, to another piece of software or hardware. |
| I/O Data | Any data being written to and read from an I/O port. No structure is placed on the data and no distinction as to the type of I/O device. I/O data is defined separately from memory data because it has a separate API and it's an optional interface of the cFE. |
| Log | A collection of data that an application stores that provides information to diagnose and debug FSW problems. |
| Memory Data | Any data being written to and read from memory. No structure is placed on the data and no distinction as to the type of memory is made. |
| MMU | Memory Management Unit. A piece of hardware that manages virtual memory systems. It automatically translates addresses into physical addresses so that an application can be linked with one set of addresses but actually reside in a different part of memory. |
| Network | A connection between subsystems used for communication purposes. |
| Platform | See "Hardware Platform" above. |
| User | Anyone who interacts with the Software Application or system in its operational state. A user can be a developer, a tester, an operator, or a maintainer.|
| User | Anyone who interacts with the Software Application or system in its operational state. A user can be a developer, a tester, an operator, or a maintainer.

# How to Configure, Build, and Run the OSAL

Expand Down Expand Up @@ -265,7 +250,7 @@ makefiles, supplying values for the required variables.
The following example will generate a build tree that allows testing
of the OSAL library on a standard Linux workstation:

```
```bash
$ mkdir build
$ cd build
$ cmake \
Expand Down Expand Up @@ -328,8 +313,9 @@ build system can be directly used as a component within a larger
"mission" build, as long as the same variables are supplied via the
parent cmake script:

```
SET(OSAL_SYSTEM_BSPTYPE “pc-linux”)
```cmake
SET(OSAL_SYSTEM_OSTYPE "posix")
SET(OSAL_SYSTEM_BSPTYPE "generic-linux")
ADD_SUBDIRECTORY(path/to/osal)
```

Expand All @@ -356,6 +342,12 @@ this type of setup, the developer must manually propagate the include directorie
the path to the `src/os/inc` subdirectory) and any necessary compile definitions to the
parent application.

#### Linking OSAL into another target
```cmake
add_executable(my_executable main.c)
target_link_libraries(my_executable osal)
```

### Cross compiling with Cmake

To cross compile, cmake uses a separate "toolchain file" that indicates
Expand Down Expand Up @@ -779,4 +771,4 @@ For example:
| 1.5 | 12/13/11 | Updates for OSAL 3.4 release -- added support for sis-rtems Removed cFE configuration text | A. Cudmore |
| 1.6 | 12/21/12 | Updates for OSAL 4.0 release -- Removed Cygwin and OS X configurations | A. Cudmore |
| 4.1 | 01/17/14 | Updates for OSAL 4.1 release. Sync document version ID to software version. Add information for building and running unit tests. | A. Cudmore |
| 4.2 | 01/31/16 | Moved osconfig.h description into section 2.2.h Consolidated the \"classic\" build and prerequisites setup into section 2.3. Added new section 2.4 on provisioning a build using cmake. Minor </br> modifications to subsequent sections only where there was a difference between cmake and classic builds; i.e. the cmake build has no \"make config\" or \"make depend\". Updated title page to replace Code 582 banner with cFS. Added header. | J.Hickey S.Strege |
| 4.2 | 01/31/16 | Moved osconfig.h description into section 2.2.h Consolidated the \"classic\" build and prerequisites setup into section 2.3. Added new section 2.4 on provisioning a build using cmake. Minor </br> modifications to subsequent sections only where there was a difference between cmake and classic builds; i.e. the cmake build has no \"make config\" or \"make depend\". Updated title page to replace Code 582 banner with cFS. Added header. | J.Hickey S.Strege |

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