diff options
Diffstat (limited to 'Documentation/s390/Debugging390.txt')
-rw-r--r-- | Documentation/s390/Debugging390.txt | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/s390/Debugging390.txt b/Documentation/s390/Debugging390.txt index e506e8d333ed..2d826d84943f 100644 --- a/Documentation/s390/Debugging390.txt +++ b/Documentation/s390/Debugging390.txt | |||
@@ -366,8 +366,8 @@ Register Usage & Stackframes on Linux for s/390 & z/Architecture | |||
366 | Overview: | 366 | Overview: |
367 | --------- | 367 | --------- |
368 | This is the code that gcc produces at the top & the bottom of | 368 | This is the code that gcc produces at the top & the bottom of |
369 | each function, it usually is fairly consistent & similar from | 369 | each function. It usually is fairly consistent & similar from |
370 | function to function & if you know its layout you can probalby | 370 | function to function & if you know its layout you can probably |
371 | make some headway in finding the ultimate cause of a problem | 371 | make some headway in finding the ultimate cause of a problem |
372 | after a crash without a source level debugger. | 372 | after a crash without a source level debugger. |
373 | 373 | ||
@@ -1703,7 +1703,7 @@ concentrate on data processing. | |||
1703 | IOP's can use one or more links ( known as channel paths ) to talk to each | 1703 | IOP's can use one or more links ( known as channel paths ) to talk to each |
1704 | IO device. It first checks for path availability & chooses an available one, | 1704 | IO device. It first checks for path availability & chooses an available one, |
1705 | then starts ( & sometimes terminates IO ). | 1705 | then starts ( & sometimes terminates IO ). |
1706 | There are two types of channel path ESCON & the Paralell IO interface. | 1706 | There are two types of channel path: ESCON & the Parallel IO interface. |
1707 | 1707 | ||
1708 | IO devices are attached to control units, control units provide the | 1708 | IO devices are attached to control units, control units provide the |
1709 | logic to interface the channel paths & channel path IO protocols to | 1709 | logic to interface the channel paths & channel path IO protocols to |
@@ -1742,11 +1742,11 @@ controllers or a control unit which connects to 1000 3270 terminals ). | |||
1742 | 1742 | ||
1743 | The 390 IO systems come in 2 flavours the current 390 machines support both | 1743 | The 390 IO systems come in 2 flavours the current 390 machines support both |
1744 | 1744 | ||
1745 | The Older 360 & 370 Interface,sometimes called the paralell I/O interface, | 1745 | The Older 360 & 370 Interface,sometimes called the Parallel I/O interface, |
1746 | sometimes called Bus-and Tag & sometimes Original Equipment Manufacturers | 1746 | sometimes called Bus-and Tag & sometimes Original Equipment Manufacturers |
1747 | Interface (OEMI). | 1747 | Interface (OEMI). |
1748 | 1748 | ||
1749 | This byte wide paralell channel path/bus has parity & data on the "Bus" cable | 1749 | This byte wide Parallel channel path/bus has parity & data on the "Bus" cable |
1750 | & control lines on the "Tag" cable. These can operate in byte multiplex mode for | 1750 | & control lines on the "Tag" cable. These can operate in byte multiplex mode for |
1751 | sharing between several slow devices or burst mode & monopolize the channel for the | 1751 | sharing between several slow devices or burst mode & monopolize the channel for the |
1752 | whole burst. Upto 256 devices can be addressed on one of these cables. These cables are | 1752 | whole burst. Upto 256 devices can be addressed on one of these cables. These cables are |
@@ -1776,7 +1776,7 @@ Consoles 3270 & 3215 ( a teletype emulated under linux for a line mode console ) | |||
1776 | DASD's direct access storage devices ( otherwise known as hard disks ). | 1776 | DASD's direct access storage devices ( otherwise known as hard disks ). |
1777 | Tape Drives. | 1777 | Tape Drives. |
1778 | CTC ( Channel to Channel Adapters ), | 1778 | CTC ( Channel to Channel Adapters ), |
1779 | ESCON or Paralell Cables used as a very high speed serial link | 1779 | ESCON or Parallel Cables used as a very high speed serial link |
1780 | between 2 machines. We use 2 cables under linux to do a bi-directional serial link. | 1780 | between 2 machines. We use 2 cables under linux to do a bi-directional serial link. |
1781 | 1781 | ||
1782 | 1782 | ||
@@ -1802,8 +1802,8 @@ OSA 7C09 ON OSA 7C09 SUBCHANNEL = 0001 | |||
1802 | OSA 7C14 ON OSA 7C14 SUBCHANNEL = 0002 | 1802 | OSA 7C14 ON OSA 7C14 SUBCHANNEL = 0002 |
1803 | OSA 7C15 ON OSA 7C15 SUBCHANNEL = 0003 | 1803 | OSA 7C15 ON OSA 7C15 SUBCHANNEL = 0003 |
1804 | 1804 | ||
1805 | If you have a guest with certain priviliges you may be able to see devices | 1805 | If you have a guest with certain privileges you may be able to see devices |
1806 | which don't belong to you to avoid this do add the option V. | 1806 | which don't belong to you. To avoid this, add the option V. |
1807 | e.g. | 1807 | e.g. |
1808 | Q V OSA | 1808 | Q V OSA |
1809 | 1809 | ||