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| author | Benji Dial <Benji3.141@gmail.com> | 2020-08-11 11:33:21 -0400 |
|---|---|---|
| committer | Benji Dial <Benji3.141@gmail.com> | 2020-08-11 11:33:21 -0400 |
| commit | 63167f223e1f54910f6b80e698390ee60aec79ee (patch) | |
| tree | 41844f646bdcb5c9ba241bb5867c5e4f51737d52 /doc/internal/mem.txt | |
| parent | 77d7a284c02bc6b1b3a3a92ad5d957172cee9b81 (diff) | |
| download | portland-os-63167f223e1f54910f6b80e698390ee60aec79ee.tar.gz | |
lots of progress
currently, BAR fields of IDE drives are all returning zero, and the ATA read function isn't working. i'm not sure why.
i'm going to work on VESA next, and come back to the IDE driver later
Diffstat (limited to 'doc/internal/mem.txt')
| -rw-r--r-- | doc/internal/mem.txt | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/doc/internal/mem.txt b/doc/internal/mem.txt index d8b9913..0819fb7 100644 --- a/doc/internal/mem.txt +++ b/doc/internal/mem.txt @@ -1,6 +1,17 @@ -0x0001.0000 - 0x0001.ffff (64k): unused -0x0002.0000 - 0x0002.7fff (32k): fat -0x0002.8000 - 0x0002.bfff (16k): unused -0x0002.c000 - 0x0002.ffff (16k): 32 file buffers -0x0003.0000 - 0x0003.7fff (32k): kernel -0x0003.8000 - 0x0003.ffff (32k): kernel stack
\ No newline at end of file +0x0000.4000 - 0x0000.4003 (4): bootloader info + 0x0 byte: support flags + 0x80: PCI + 0x1 byte: PCI "hardware characteristics" + 0x2 byte: PCI minor + 0x3 byte: PCI major + 0x4 byte: last PCI bus + +0x0000.4200 - 0x0000.42ff (256): VESA info +0x0000.4300 - 0x0000.43ff (256): VBE strings + +0x0001.0000 - 0x0001.1fff (8k): memory map + +0x0003.0000 - 0x0003.7fff (32k): kernel +0x0003.8000 - 0x0003.ffff (32k): kernel stack + +0x1000.0000 - 0x1fff.ffff (256M): dynamic memory
\ No newline at end of file |