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https://github.com/katahiromz/eat
Eyeball Allocation Table
https://github.com/katahiromz/eat
allocation cxx filesystem malloc-library management-system memory-allocation virtual-memory
Last synced: about 1 month ago
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Eyeball Allocation Table
- Host: GitHub
- URL: https://github.com/katahiromz/eat
- Owner: katahiromz
- License: mit
- Created: 2015-08-13T05:16:55.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2024-09-17T13:49:51.000Z (3 months ago)
- Last Synced: 2024-09-18T15:36:25.757Z (3 months ago)
- Topics: allocation, cxx, filesystem, malloc-library, management-system, memory-allocation, virtual-memory
- Language: C++
- Homepage:
- Size: 64.5 KB
- Stars: 2
- Watchers: 4
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE.txt
Awesome Lists containing this project
README
# EAT (Eyeball Allocation Table)
EAT is a simple, enlargeable and mergeable virtual memory management system (and filesystem?), written in C++, by katahiromz.
You can do `malloc`, `calloc`, `strdup` etc. in EAT without modern OS.
## "THE MASTER IMAGE"
```txt
+---------------------------+(top) == this
|HEAD |
+---------------------------+(head_size)
|DATA #0 (variable length) |
|DATA #1 |
| : |
| : DATA_AREA | | |
| : | | |
|DATA #n-1 (grows downward) | V V
+---------------------------+(boundary_1)
| |
| FREE_AREA |
| |
+---------------------------+(boundary_2)
|ENTRY #n-1 (grows upward) | A A
| : | | |
| : TABLE | | |
| : |
|ENTRY #1 |
|ENTRY #0 |
+---------------------------+(bottom)
```
## Contact Us
Katayama Hirofumi MZ (katahiromz)