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Kernel: Change ACPI & DMI definitions a bit

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Structures declarations changed __attribute__((__packed__))
to [[gnu::packed]] in ACPI & DMI definitions.
Also, declarations of array of pointers in ACPI RSDT/XSDT are correct
now. In addition to that, now we have a declaration of the ACPI MADT
table & the table entries.
This commit is contained in:
Liav A 2020-01-14 16:07:00 +02:00 • committed by Andreas Kling
parent c2ef7f740b
commit 2da8aba48d
2 changed files with 213 additions and 137 deletions
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71
Kernel/ACPI/Definitions.h
View file

@ -6,23 +6,26 @@
namespace ACPI_RAW {
struct RSDPDescriptor {
struct [[gnu::packed]] RSDPDescriptor
{
char sig[8];
u8 checksum;
char oem_id[6];
u8 revision;
u32 rsdt_ptr;
} __attribute__((__packed__));
};
struct RSDPDescriptor20 {
struct [[gnu::packed]] RSDPDescriptor20
{
RSDPDescriptor base;
u32 length;
u64 xsdt_ptr;
u8 ext_checksum;
u8 reserved[3];
} __attribute__((__packed__));
};
struct SDTHeader {
struct [[gnu::packed]] SDTHeader
{
char sig[4];
u32 length;
u8 revision;
@ -32,27 +35,31 @@ struct SDTHeader {
u32 oem_revision;
u32 creator_id;
u32 creator_revision;
} __attribute__((__packed__));
};
struct RSDT {
struct [[gnu::packed]] RSDT
{
SDTHeader h;
u32 table_ptrs[1];
} __attribute__((__packed__));
u32 table_ptrs[];
};
struct XSDT {
struct [[gnu::packed]] XSDT
{
SDTHeader h;
u64 table_ptrs[1];
} __attribute__((__packed__));
u64 table_ptrs[];
};
struct GenericAddressStructure {
struct [[gnu::packed]] GenericAddressStructure
{
u8 address_space;
u8 bit_width;
u8 bit_offset;
u8 access_size;
u64 address;
} __attribute__((__packed__));
};
struct FADT {
struct [[gnu::packed]] FADT
{
SDTHeader h;
u32 firmware_ctrl;
u32 dsdt_ptr;
@ -109,28 +116,44 @@ struct FADT {
GenericAddressStructure sleep_control;
GenericAddressStructure sleep_status;
u64 hypervisor_vendor_identity;
} __attribute__((__packed__));
struct MADT : public SDTHeader {
};
struct DSDT : public SDTHeader {
struct [[gnu::packed]] MADTEntry
{
u8 type;
u8 length;
char data[];
};
struct PCI_MMIO_Descriptor {
struct [[gnu::packed]] MADT
{
SDTHeader h;
u32 lapic_address;
u32 flags;
MADTEntry entries[];
};
struct [[gnu::packed]] AMLTable
{
SDTHeader h;
char aml_code[];
};
struct [[gnu::packed]] PCI_MMIO_Descriptor
{
u64 base_addr;
u16 seg_group_number;
u8 start_pci_bus;
u8 end_pci_bus;
u32 reserved;
} __attribute__((__packed__));
};
struct MCFG {
struct [[gnu::packed]] MCFG
{
SDTHeader header;
u64 reserved;
PCI_MMIO_Descriptor descriptors[];
} __attribute__((__packed__));
};
}
class ACPIStaticParser;