Overlay Pages
7-52
Memory ranges listed outside the scope of a PAGE specification default to
PAGE 0. Consider the following example:
MEMORY
{ ROM : org = 0h len = 1000h
EPROM : org = 1000h len = 1000h
RAM : org = 2000h len = 0E000h
PAGE1: XROM : org = 0h len = 1000h
XRAM : org = 2000h len = 0E000h
}
The memory ranges ROM, EPROM, and RAM are all on PAGE 0 (since no
page is specified). XROM and XRAM are on PAGE 1. Note that XROM on
PAGE 1 overlays ROM on PAGE 0, and XRAM on PAGE 1 overlays RAM on
PAGE 0.
In the output link map (obtained with the –m linker option), the listing of the
memory model is keyed by pages. This provides an easy method of verifying
that you specified the memory model correctly. Also, the listing of output
sections has a PAGE column that identifies the memory space into which each
section will be loaded.
Summary of Contents for TMS320C54x
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