| Antiloop's DTLH-3000 Memory Layout |
KERNEL CODE IN RAM (+DATA-->64KB)
---------------------------------
0-8 Exception handling
80-88 Exception handling (same as 0-8)
a0-d0 Syscall dispatching
200-4d0 Syscall table
500-90f0 All kernel code (moved from bfc10000-bfc18bf0 by function at
bfc00420, SysInitKMem)
* - 504-670
- 674-c8c
- c90-2720 kernel core (events, tasks, ...)
* - 2724-4384 file IO code
- 4390-6a44 control pad code
- 6a50-6c5c syscall wrappers (event and file related ones)
- 6c60-891c IO data
6c60-6cf8: function ptr table
6dc0-6ecc: text
6ee0-71fc: device driver table
7200 : device driver count
7210-7215: ""
7220-7600: control pad data (not sure about end address)
7604-85d0: zero
85d4-863c: unknown
8640 : LastError
8644 : unknown
8648-8908: file descriptor table
890c-891c: zero
* - 8920-90e8 code but what??
- 90f0-9200?? (jumps to 9200 in previous chunk of code,
but this chunk is all nops)
- the rest is data to ffff
USER CODE: 00010000-001fffff (about 1.9 meg)
----------------------------
HARDWARE:
---------
1f000000-1f00ffff parallel port (not sure about end address)
1f800000-1f8003ff scratch pad
1f801000-1f802fff hw regs,... (not sure about end address)
BIOS: bfc00000-bfc7ffff (512 KB)
-----------------------
bfc00000-bfc042fc code
bfc04300-bfc045d0 function ptr table (syscalls?)
bfc04610-bfc0d878 code
bfc0d880-bfc0dc5c syscall wrappers
bfc0dc70-bfc0ffff data
bfc10000-bfc18bf0 see above (500-90f0)
bfc18000-bfc428c4 shell code
bfc428d0-bfc42c0c syscall wrappers (part of shell)
bfc42c10-bfc42e10 sort of function ptr table(ptrs in user code area)
bfc42e30-bfc7ffff text, image and sound data: logo(there's some text
saying: "MEMORY CARD", "please insert Playstation CD-ROM",
"Playstation",.. -- i've tried to open it in PaintShop Pro
4 as raw image data), startup sound etc. (?)
antiloop@napalm.intelinet.com
created: 27th Dec. 1997
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