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Kernel: Allow to reboot in ACPI via PCI or MMIO access

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Also, we determine if ACPI reboot is supported by checking the FADT
flags' field.
This commit is contained in:
Liav A 2020-03-08 16:50:46 +02:00 • committed by Andreas Kling
parent 8639ee2640
commit 0f45a1b5e7
9 changed files with 183 additions and 25 deletions
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19
Kernel/PCI/Access.cpp
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@ -107,11 +107,30 @@ void PCI::Access::disable_bus_mastering(Address address)
}
namespace PCI {
void enumerate_all(Function<void(Address, ID)> callback)
{
PCI::Access::the().enumerate_all(callback);
}
void raw_access(Address address, u32 field, size_t access_size, u32 value)
{
ASSERT(access_size != 0);
if (access_size == 1) {
PCI::Access::the().write8_field(address, field, value);
return;
}
if (access_size == 2) {
PCI::Access::the().write16_field(address, field, value);
return;
}
if (access_size == 4) {
PCI::Access::the().write32_field(address, field, value);
return;
}
ASSERT_NOT_REACHED();
}
ID get_id(Address address)
{
return PCI::Access::the().get_id(address);