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Codec Engine Examples Memory Map
This topic helps show the memory map guidelines the Codec Engine development team uses when creating the examples. This is obviously not the only memory map possible, and is intended to help users understand the memory map which most of the examples employ.
Note that these are typically in line with the size of memory available on popular development boards available. Development boards are often available from many vendors, and will be populated with differing amounts of memory.
For more memory map details, see the Changing Memory Map article.
Contents
EVM3530 Multi-core Examples (128 MB Total Memory)[edit]
| Address Range | Size | Description |
|---|---|---|
| 0x80000000 - 0x84FFFFFF | 80 MB | Linux |
| 0x85000000 - 0x85FFFFFF | 16 MB | CMEM |
| 0x86000000 - 0x877FFFFF | 24 MB | DDRALGHEAP |
| 0x87800000 - 0x87DFFFFF | 6 MB | DDR2 (BIOS, Codecs, Applications) |
| 0x87E00000 - 0x87EFFFFF | 1 MB | DSPLINK (MEM) |
| 0x87F00000 - 0x87F00FFF | 4 KB | DSPLINK (RESET) |
| 0x87F01000 - 0x87FFFFFF | 1020 KB | unused |
DM6446 and DM6467 EVM Multi-core Examples (256 MB Total Memory)[edit]
| Address Range | Size | Description |
|---|---|---|
| 0x80000000 - 0x877FFFFF | 120 MB | Linux |
| 0x87800000 - 0x87FFFFFF | 8 MB | CMEM |
| 0x88000000 - 0x8F9FFFFF | 122 MB | DDRALGHEAP |
| 0x8FA00000 - 0x8FDFFFFF | 4 MB | DDR2 (BIOS, Codecs, Applications) |
| 0x8FE00000 - 0x8FEFFFFF | 1 MB | DSPLINK (MEM) |
| 0x8FF00000 - 0x8FF0007F | 128 B | DSPLINK (RESET) |
| 0x8FF00080 - 0x8FFFFFFF | < 1 MB | unused |
OMAPL137 and OMAPL138 EVM Multi-core Examples (64 MB Total Memory)[edit]
| Address Range | Size | Description |
|---|---|---|
| 0xC0000000 - 0xC1FFFFFF | 32 MB | Linux |
| 0xC2000000 - 0xC2BFFFFF | 12 MB | CMEM |
| 0xC2C00000 - 0xC2EFFFFF | 3 MB | SDRAM (BIOS, Codecs, Applications) |
| 0xC2F00000 - 0xC2F0FFFF | 4 KB | DSPLINK (RESET) |
| 0xC2F10000 - 0xC2FFFFFF | 1 MB - 4 KB = 1020 KB | DSPLINK (MEM) |
| 0xC3000000 - 0xC3FFFFFF | 16 MB | DDRALGHEAP |
Under Development[edit]
C6742 Multi-core Examples (256 MB Ext Memory)[edit]
Planned for CE 3.20 - currently under development.
| Address Range | Size | Description |
|---|---|---|
| 0x00200000 - 0x002BFFFF | 768 KB | SL2RAM (used for IPC and Messaging) |
| 0x00800000 - 0x00897FFF | 608 KB | LL2RAM (local, core-specific memory) |
| 0xE0000000 - 0xE5FFFFFF | 96 MB | DDR2 Core 0 App .text and heap (for app I/O buffers) |
| 0xE6000000 - 0xE7FFFFFF | 32 MB | DDR2 Core 1 Server .text |
| 0xE8000000 - 0xE9FFFFFF | 32 MB | DDR2 Core 2 Server .text |
| 0xEA000000 - 0xEBFFFFFF | 32 MB | DDR2 Core 3 Server .text |
| 0xEC000000 - 0xEDFFFFFF | 32 MB | DDR2 Core 4 Server .text |
| 0xEE000000 - 0xEFFFFFFF | 32 MB | DDR2 Core 5 Server .text |
|
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