Entering A New Memory Watch - Intel IXP2400 User Manual

Subwindows:
The Memory Watch window comprises three subwindows,
one for each memory type. Each memory type has a check box
at the top of the Memory Watch window to control visibility
of the subwindow.
Each subwindow contains a multicolumn tree. The first column contains the range of the
location(s) being watched, e.g. DRAM[0:3]. The values of the locations are displayed in columns 1
through n. The number of value columns varies with the width of the Memory Watch window,
with a minimum of one value column.
Endianness:
The Display big endian longwords check box enables DRAM
quadword values to be displayed with the longwords swapped.
Values Updates:
Watch values are updated whenever microcode execution stops. To force an update of
the values at other times, click Refresh at the top of the Memory Watch window.
2.13.13.1

Entering a New Memory Watch

To enter a new memory watch:
1. Right-click anywhere in the name or value column of the
Memory Watch subwindow (either SRAM. DRAM, or
Scratchpad) and click New Watch on the shortcut menu, or
Double-click the blank entry at the bottom of the data watch list
for that subwindow.
2. Type the range of memory locations you would like to watch.
The format for the range is the same as that for the Transactor:
[m]
[m:n]
[m:+n]
3. Optionally, you can specify a bit range to be watched. The format for a bit range is:
<m>
<m:n>
Note: SRAM and Scratchpad locations are 32-bit values, while DRAM locations are 64-bit values.
Development Tools User's Manual
To watch a single location. For example, sram[1] watches location one
in SRAM.
To watch locations m through n inclusive. For example, dram[0:3]
watches locations 0 through 3 in DRAM. And since a range can be
specified in ascending or descending order, you could specify this watch
as dram[3:0].
To watch location m plus the n locations following it. For example,
dram[5:+3] watches locations 5 through 8.
To watch only bit m of a state. For example, dram[0]<12> watches only
bit 12 of the dram location 0.
To watch bits m through n of a state, with m being greater than n. For
example, dram[0:3]<12:10> watches bits 12 through 10 of dram
locations 0 through 3.
IXP2400/IXP2800 Network Processors
Developer Workbench
145