Translation For A Small Page; Translation For A Tiny Page - Texas Instruments OMAP5910 Reference Manual

DSP Memory Management Unit
6.2.6.3 Translating Small Pages
Figure 42.

Translation for a Small Page

31
Small page base address
31
Small page base address
Legend: AP = Access Permissions: 00 or 01 = no access, 10 = read only, 11 = full access; X = don't care
6.2.6.4 Translating Tiny Pages
Figure 43.

Translation for a Tiny Page

31
Tiny page base address
31
Tiny page base address
Legend: AP = Access Permissions: 00 or 01 = no access, 10 = read only, 11 = full access; X = don't care
90 DSP Subsystem
Figure 42 describes how the contents of a small page descriptor are used to
calculate the physical address of the DSP virtual address.
23
X
Figure 43 describes how the contents of a tiny page descriptor are used to
calculate the physical address of the DSP virtual address.
23
X
Second-level descriptor contents
6 5
12 11
X
AP
DSP virtual address
12 11
Page index
Physical address
12 11
Page index
Second-level descriptor contents
6 5
10 9
X AP
DSP virtual address
10 9
Page index
Physical address
10 9
Page index
0
4 3 2 1
X 1 0
0
0
0
4 3 2 1
X 1 1
0
0
SPRU890A