From efb3cd0e2ad09f409d66534d44ff07a55e9f1171 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Tue, 4 Jun 2024 22:17:28 -0400
Subject: kernel/amd64: acpi: Support parsing MADT

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/dev/acpi/acpivar.h | 2 ++
 sys/include/dev/acpi/tables.h  | 5 +++++
 2 files changed, 7 insertions(+)

(limited to 'sys/include/dev/acpi')

diff --git a/sys/include/dev/acpi/acpivar.h b/sys/include/dev/acpi/acpivar.h
index 9a37dfb..9cfe945 100644
--- a/sys/include/dev/acpi/acpivar.h
+++ b/sys/include/dev/acpi/acpivar.h
@@ -35,6 +35,8 @@
 
 uint8_t acpi_checksum(struct acpi_header *hdr);
 struct acpi_root_sdt *acpi_get_root_sdt(void);
+
 size_t acpi_get_root_sdt_len(void);
+int acpi_init_madt(void);
 
 #endif  /* !_ACPI_ACPIVAR_H_ */
diff --git a/sys/include/dev/acpi/tables.h b/sys/include/dev/acpi/tables.h
index d5bfd52..1dca890 100644
--- a/sys/include/dev/acpi/tables.h
+++ b/sys/include/dev/acpi/tables.h
@@ -33,6 +33,11 @@
 #include <sys/types.h>
 #include <sys/cdefs.h>
 
+/* MADT APIC header types */
+#define APIC_TYPE_LOCAL_APIC            0
+#define APIC_TYPE_IO_APIC               1
+#define APIC_TYPE_INTERRUPT_OVERRIDE    2
+
 #define OEMID_SIZE 6
 
 struct __packed acpi_header {
-- 
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