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Added ATA driver stub

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Alex
2022-11-05 07:59:11 +02:00
parent d87db9f463
commit 712899858f
3 changed files with 224 additions and 0 deletions
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82
Disk/ATA/ATA.cpp Normal file
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#include <netools.h>
#include <pci.h>
#include <io.h>
#include "../../../Kernel/DAPI.hpp"
#include "../../../Kernel/Fex.hpp"
extern "C" int DriverEntry(void *Data);
int CallbackHandler(KernelCallback *Data);
HEAD(FexFormatType_Driver, FexOSType_Fennix, DriverEntry);
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
__attribute__((section(".extended"))) FexExtended ExtendedHeader = {
.Driver = {
.Name = "ATA",
.Type = FexDriverType_Storage,
.Callback = CallbackHandler,
.Bind = {
.Type = BIND_INTERRUPT,
.Interrupt = {
.Vector = {0xE, 0xF}, // IRQ14, IRQ15
}}}};
KernelAPI *KAPI;
/* --------------------------------------------------------------------------------------------------------- */
int DriverEntry(void *Data)
{
if (!Data)
return INVALID_KERNEL_API;
KAPI = (KernelAPI *)Data;
if (KAPI->Version.Major < 0 || KAPI->Version.Minor < 0 || KAPI->Version.Patch < 0)
return KERNEL_API_VERSION_NOT_SUPPORTED;
return OK;
}
int CallbackHandler(KernelCallback *Data)
{
switch (Data->Reason)
{
case AcknowledgeReason:
{
KAPI->Util.DebugPrint(((char *)"Kernel acknowledged the driver." + KAPI->Info.Offset), KAPI->Info.DriverUID);
break;
}
case ConfigurationReason:
{
KAPI->Util.DebugPrint(((char *)"Kernel received configuration data." + KAPI->Info.Offset), KAPI->Info.DriverUID);
break;
}
case FetchReason:
{
break;
}
case InterruptReason:
{
if (Data->InterruptInfo.Vector == 0xE)
{
KAPI->Util.DebugPrint(((char *)"IRQ14" + KAPI->Info.Offset), KAPI->Info.DriverUID);
}
else if (Data->InterruptInfo.Vector == 0xF)
{
KAPI->Util.DebugPrint(((char *)"IRQ15" + KAPI->Info.Offset), KAPI->Info.DriverUID);
}
break;
}
case SendReason:
case ReceiveReason:
{
break;
}
default:
{
KAPI->Util.DebugPrint(((char *)"Unknown reason." + KAPI->Info.Offset), KAPI->Info.DriverUID);
break;
}
}
return OK;
}