Spexeah/Asuro
Spexeah/Asuro
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git-svn-id: https://spexeah.com:8443/svn/Asuro@489 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c

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This commit is contained in:
aaron 2018-04-11 14:37:05 +00:00
parent 6b79aab94e
commit a51487a800
3 changed files with 51 additions and 2 deletions
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49
src/driver/storage/FAT32.pas
View File

@ -67,6 +67,15 @@ type
byteSize : uint32;
end;
TFilesystemInfo = record
FATBaseAddress : uint32;
RootDirectory : uint32;
end;
TFatVolumeInfo = record
sectorsPerCluster : uint8; // must be power of 2 and mult by sectorsize to max 32k
end;
procedure init;
procedure create_volume(disk : PStorage_Device; sectors : uint32; start : uint32);
function detect_volumes(disk : PStorage_Device) : APStorage_volume;
@ -100,8 +109,46 @@ begin
end;
procedure create_volume(disk : PStorage_Device; sectors : uint32; start : uint32);
procedure create_volume(disk : PStorage_Device; sectors : uint32; start : uint32, config : puint32);
var
i : uint8;
bootRecord : TBootRecord;
exBootRecord : TExtendedBootRecord;
begin
bootrecord.jmp2boot:= $00 // TODO what ahppens here???
bootRecord.OEMName:= 'ASURO V1';
bootrecord.sectorsize:= disk^.sectorSize;
bootrecord.spc:= TFatVolumeInfo(config).sectorsPerCluster;
bootrecord.rsvSectors:= 32; //Is this acceptable?
bootrecord.numFats:= 2;
bootrecord.numDirEnt:= 0;
if sectors < $10000 then begin
bootrecord.numSectors:= sectors; //maybe always needs to be 0?
end else bootRecord.numSectors:= 0;
bootrecord.mediaDescp:= $F8;
bootrecord.sectorsPerFat:= 0;
bootRecord.sectorsPerTrack:= 0;
bootRecord.heads:= 0;
bootRecord.hiddenSectors:= start;
bootRecord.manySectors:= sectors;
exBootRecord.FATSize:= ((sectors DIV TFatVolumeInfo(config).sectorsPerCluster) * 16 DIV disk^.sectorSize);
exBootRecord.flags:= 1 shl 7;
exBootRecord.FATVersion:= 0;
exBootRecord.rootCluster:= 2; // can be changed if needed.
exBootRecord.FSInfoCluster:=1; //TODO need FSINFO
exBootRecord.driveNumber:= $80;
exBootRecord.reserved0:=0;
exBootRecord.reserved1:=0;
exBootRecord.volumeID := 53424; //need random number generator
exBootRecord.volumeLabel[0] := 0; //needs to be set later !!!
exBootRecord.bsignature:= $29
exBootRecord.identString:= 'FAT32 ';
//448bytes bootstrap
//2bytes end mark 55AA
end;

2
src/driver/storage/storagemanagement.pas
View File

@ -85,6 +85,8 @@ var
i : uint8;
begin
console.writestringln('poop');
if stringEquals(getParam(0, params), 'ls') then begin
for i:=0 to LL_Size(storageDevices) - 1 do begin
// if PStorage_Device(LL_Get(storageDevices, i))^.maxSectorCount = 0 then break;

2
src/kernel.pas
View File

@ -159,7 +159,7 @@ begin
mouse.init();
testdriver.init();
E1000.init();
//IDE.init();
IDE.init();
console.outputln('KERNEL', 'DEVICE DRIVERS: INIT END.');
{ Bus Drivers }