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APIC implementation (not working as expected)

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This commit is contained in:
Alex
2022-10-17 04:05:44 +03:00
parent c5b4666b50
commit c944f57a3b
15 changed files with 272 additions and 153 deletions
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121
Architecture/amd64/DifferentiatedSystemDescriptionTable.cpp
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@ -32,11 +32,27 @@ namespace ACPI
void DSDT::OnInterruptReceived(CPU::x64::TrapFrame *Frame)
{
debug("SCI Handle Triggered");
uint16_t event = this->GetSCIevent();
debug("SCI Event: %#llx", event);
if (event & ACPI_TIMER)
event &= ~ACPI_TIMER; // Remove the ACPI timer flag.
switch (event)
uint16_t Event = 0;
{
uint16_t a = 0, b = 0;
if (acpi->FADT->PM1aEventBlock)
{
a = inw(acpi->FADT->PM1aEventBlock);
outw(acpi->FADT->PM1aEventBlock, a);
}
if (acpi->FADT->PM1bEventBlock)
{
b = inw(acpi->FADT->PM1bEventBlock);
outw(acpi->FADT->PM1bEventBlock, b);
}
Event = a | b;
}
debug("SCI Event: %#llx", Event);
if (Event & ACPI_TIMER)
Event &= ~ACPI_TIMER; // Remove the ACPI timer flag.
switch (Event)
{
case ACPI_POWER_BUTTON:
{
@ -52,7 +68,7 @@ namespace ACPI
}
default:
{
warn("unknown event 0x%04p", event);
warn("unknown event 0x%04p", Event);
return;
}
}
@ -62,13 +78,7 @@ namespace ACPI
void DSDT::Shutdown()
{
trace("Shutting down...");
if (!ACPIShutdownSupported)
{
outl(0xB004, 0x2000); // for qemu
outl(0x604, 0x2000); // if qemu not working, bochs and older versions of qemu
outl(0x4004, 0x3400); // virtual box
}
else if (SCI_EN == 1)
if (SCI_EN == 1)
{
outw(acpi->FADT->PM1aControlBlock, (inw(acpi->FADT->PM1aControlBlock) & 0xE3FF) | ((SLP_TYPa << 10) | ACPI_SLEEP));
if (acpi->FADT->PM1bControlBlock)
@ -77,35 +87,11 @@ namespace ACPI
if (PM1b_CNT)
outw(PM1b_CNT, SLP_TYPb | SLP_EN);
}
CPU::Stop();
}
void DSDT::Reboot()
{
trace("Rebooting...");
if (!ACPIShutdownSupported)
{
uint8_t val = 0x02;
while (val & 0x02)
val = inb(0x64);
outb(0x64, 0xFE);
warn("Executing the second attempt to reboot...");
// second attempt to reboot
// https://wiki.osdev.org/Reboot
uint8_t temp;
asm volatile("cli");
do
{
temp = inb(0x64);
if (((temp) & (1 << (0))) != 0)
inb(0x60);
} while (((temp) & (1 << (1))) != 0);
outb(0x64, 0xFE);
CPU::Stop();
}
switch (acpi->FADT->ResetReg.AddressSpace)
{
case ACPI_GAS_MMIO:
@ -126,39 +112,6 @@ namespace ACPI
*/
break;
}
CPU::Stop();
}
uint16_t DSDT::GetSCIevent()
{
uint16_t a = 0, b = 0;
if (acpi->FADT->PM1aEventBlock)
{
a = inw(acpi->FADT->PM1aEventBlock);
outw(acpi->FADT->PM1aEventBlock, a);
}
if (acpi->FADT->PM1bEventBlock)
{
b = inw(acpi->FADT->PM1bEventBlock);
outw(acpi->FADT->PM1bEventBlock, b);
}
return a | b;
}
void DSDT::SetSCIevent(uint16_t value)
{
uint16_t a = acpi->FADT->PM1aEventBlock + (acpi->FADT->PM1EventLength / 2);
uint16_t b = acpi->FADT->PM1bEventBlock + (acpi->FADT->PM1EventLength / 2);
if (acpi->FADT->PM1aEventBlock)
outw(a, value);
if (acpi->FADT->PM1bEventBlock)
outw(b, value);
}
void DSDT::RegisterSCIEvents()
{
this->SetSCIevent(ACPI_POWER_BUTTON | ACPI_SLEEP_BUTTON | ACPI_WAKE);
GetSCIevent();
}
DSDT::DSDT(ACPI *acpi) : Interrupts::Handler(acpi->FADT->SCI_Interrupt + CPU::x64::IRQ0)
@ -199,8 +152,32 @@ namespace ACPI
SCI_EN = 1;
trace("ACPI Shutdown is supported");
ACPIShutdownSupported = true;
this->RegisterSCIEvents();
((APIC::APIC *)Interrupts::apic)->RedirectIRQ(0, acpi->FADT->SCI_Interrupt, 1);
uint16_t value = ACPI_POWER_BUTTON | ACPI_SLEEP_BUTTON | ACPI_WAKE;
{
uint16_t a = acpi->FADT->PM1aEventBlock + (acpi->FADT->PM1EventLength / 2);
uint16_t b = acpi->FADT->PM1bEventBlock + (acpi->FADT->PM1EventLength / 2);
debug("SCI Event: %#llx [a:%#x b:%#x]", value, a, b);
if (acpi->FADT->PM1aEventBlock)
outw(a, value);
if (acpi->FADT->PM1bEventBlock)
outw(b, value);
}
{
uint16_t a = 0, b = 0;
if (acpi->FADT->PM1aEventBlock)
{
a = inw(acpi->FADT->PM1aEventBlock);
outw(acpi->FADT->PM1aEventBlock, a);
}
if (acpi->FADT->PM1bEventBlock)
{
b = inw(acpi->FADT->PM1bEventBlock);
outw(acpi->FADT->PM1bEventBlock, b);
}
}
((APIC::APIC *)Interrupts::apic[0])->RedirectIRQ(0, acpi->FADT->SCI_Interrupt, 1);
return;
}
warn("Failed to parse _S5 in ACPI");