Address Segments Registers - 1.0 English

AXI Endpoint Protection Unit LogiCORE IP Product Guide (PG418)

Document ID
PG418
Release Date
2022-10-19
Version
1.0 English

Up to 256 sets of address segment registers are available. The actual number of registers is set by a core parameter at configuration time, and can be read in the N_ADDR_SEGS register.

Address segments registers are located in consecutive registers starting at address 0x1000. There are four registers for each address segment. The registers for address segment <s> are located at the address 0x1000 + <s>*0x10 + (0x0, 0x4, 0x8, 0xC), where <s> goes from 0 up to (N_ADDR_SEGS-1). The highest possible address segment register address, for address segment 255, is 0x1FFC.

Registers for unimplemented address segments read as zero.

Each address segment has the following set of four registers:

Table 1. Address Segment Registers
Address Name RW Default Value Description
0x1000 + <s>*0x10 SEG<s>_BASE0 RO From params Address segment <s> base address LSBs
0x1004 + <s>*0x10 SEG<s>_BASE1 RO From params Address segment <s> base address MSBs
0x1008 + <s>*0x10 SEG<s>_SIZE RO From params Address segment <s> size
0x100C + <s>*0x10 SEG<s>_PERM RO From params Address segment <s> permissions