Spexeah/Asuro
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git-svn-id: https://spexeah.com:8443/svn/Asuro@551 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c

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This commit is contained in:
aaron 2018-04-27 14:35:06 +00:00
parent f5572db016
commit 68ccd2bdf7
2 changed files with 65 additions and 11 deletions
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2
src/driver/storage/IDE.pas
View File

@ -201,7 +201,7 @@ begin
devID.id4:= idANY;
devID.ex:= nil;
drivermanagement.register_driver('IDE ATA Driver', @devID, @load);
terminal.registerCommand('IDE', @test_command, 'TEST IDE DRIVER');
//terminal.registerCommand('IDE', @test_command, 'TEST IDE DRIVER');
buffer := Puint32(kalloc(1024*2));
pop_trace();
end;

74
src/driver/storage/fat32.pas
View File

@ -232,7 +232,7 @@ begin
while true do begin
dir:= PDirectory(bufferI);
if dir^.fileName[0] = char(0) then break; //need to check if I have found the right directoy and set cc if not last
if (dir^.attributes and $10) = $10 then begin // is a directory;
if (dir^.attributes and $10) = $10 then begin // is a directory;
str:= dir^.fileName;
str[9]:= char(0);
if stringEquals(str, targetStr) then begin //need to get current folder searching for
@ -252,7 +252,7 @@ begin
while true do begin
dir:= PDirectory(bufferI);
if dir^.fileName[0] = char(0) then break; //need to check if I have found the right directoy and set cc if not last
if dir^.fileName[0] = char(0) then break;
dirElm:= LL_Add(rootTable);
PDirectory(dirElm)^:= PDirectory(bufferI)^;
bufferI:= puint32(bufferI + 8);
@ -275,7 +275,7 @@ begin
pop_trace();
end;
function writeDirectory(volume : PStorage_volume; directory : pchar) : uint8; // need to handle parent table cluster overflow, need to take attributes
function writeDirectory(volume : PStorage_volume; directory : pchar; attributes : uint32) : uint8; // need to handle parent table cluster overflow, need to take attributes
var
dirAddr : PLinkedListBase;
dirList : PLinkedListBase;
@ -290,12 +290,18 @@ var
targetDirectory : PDirectory;
bootRecord : TBootRecord;
device : PStorage_Device;
dataStart : uint32;
currentSector : uint32;
meArray : byteArray8 = ('.', ' ', ' ', ' ', ' ', ' ', ' ', ' ');
parentArray : byteArray8 = ('.', '.', ' ', ' ', ' ', ' ', ' ', ' ');
begin
dirAddr := stringToLL(directory, '/');
//dirList := LL_New(sizeof(TDirectory));
bootRecord := readBootRecord(volume);
device := volume^.device;
buffer := puint32(kalloc(sizeof(volume^.sectorSize)));
dataStart:= (bootrecord.fatSize) + 1 + volume^.sectorStart;
//find un allocated cluster
while not foundCluster do begin
@ -323,16 +329,64 @@ begin
prevDirCluster:= targetDirectory^.clusterLow or (targetDirectory^.clusterHigh shl 16);
buffer:= puint32(kalloc(volume^.sectorSize)); //nope, need write one sector, the right sector
//size of dirlist (byte size of cluster) / 32 = max no of directories per cluster
device^.readcallback(device, volume^.sectorStart + 1 + bootrecord.fatSize + (bootRecord.spc * prevDirCluster), 1, buffer); //only writes first cluster
//size of dirlist TDIRECTORY (byte size of cluster) / 32 = max no of directories per cluster
//device^.readcallback(device, volume^.sectorStart + 1 + bootrecord.fatSize + (bootRecord.spc * prevDirCluster), 1, buffer); //only writes first cluster
// volume^.sectorStart + 1 + fatSectorSize + (bootRecord.spc * cc)
//insert table entree
//construct buffer from dirAddr
//add new directory
//write to disk
//find empty parent table entree
i:= (sizeof(TDirectory) * LL_size(dirList)) DIV bootrecord.sectorsize; // number of secotrs used by the parent directory
//i:= i DIV bootrecord.sectorsPerCluster; // num of clusters used by the parent dfirectory
ii:= (bootrecord.sectorSize DIV sizeof(TDirectory)); // max entrees per sector
currentSector:= i DIV ii; // sector of last table entree
currentSector+= prevDirCluster;
//write new directory table at emptyCluster
//read sector of cluster
//read datastart + i, 1;
device^.readcallback(device, datastart + currentSector, 1, buffer);
i:= 0;
ii:=0;
while true do begin
if i > (bootRecord.sectorSize / sizeof(TDirectory)) then begin //sector is full of entries
device^.readcallback(device, datastart + (currentSector + ii), 1, buffer);
ii+=1; //TODO need to check if overflowing and need to make a new cluster for table
i:=0;
end;
if buffer^ = 0 then begin //found empty slot
str:= pchar(LL_Get(dirAddr, LL_size(dirAddr) - 1));
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.fileName:= byteArray8(str);
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.attributes:= attributes;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.clusterLow:= emptyCluster;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.clusterHigh:= emptyCluster shl 16;
device^.writeCallback(device, datastart + (currentSector + ii), 1, buffer);
break;
end;
buffer:= buffer + sizeof(TDirectory);
i+=1;
end;
//if directory
if attributes = $10 then begin
kfree(buffer);
buffer:= puint32(kalloc(sizeof(TDirectory)));
i:=0;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.fileName:= meArray;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.attributes:= attributes;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.clusterLow:= emptyCluster;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.clusterHigh:= emptyCluster shl 16;
i:=1;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.fileName:= parentArray;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.attributes:= targetDirectory^.attributes;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.clusterLow:= targetDirectory^.clusterLow;
PDirectory(buffer + ((sizeof(TDirectory) * i) DIV 4) )^.clusterHigh:= targetDirectory^.clusterHigh;
device^.writecallback(device, datastart + emptyCluster, 1, buffer);
end;
kfree(buffer);
end;
procedure readFile(volume : PStorage_volume; directory : pchar; byteCount : uint32; buffer : puint32);