Memory Management Unit (MMU)
100
NS9750 Hardware Reference

Figure 36: Sequence for checking faults

The conditions that generate each of the faults are discussed in the following sections.
Modified virtual address
Check address alignment
Get page
table entry
Get first-level descriptor
Section Page
Check domain status
Section Page
Client (01) Client (01)
Check
access
permissions
Check
access
permissions
Physical address
Manager
(11)
Misaligned Alignment
fault
Violation
Page
translation
fault
Page
domain
fault
Page
permission
fault
Invalid
No access (00)
Reserved (10)
Invalid
No access (00)
Reserved (10)
Section
domain
fault
Section
permission
fault Violation
Section
translation
fault