parsing RSDP & MADT

3 files changed, 86 insertions, 1 deletions

diff --git a/kernel/include/ext2.h b/kernel/include/ext2.h
index b9222df..d6022a2 100644
--- a/kernel/include/ext2.h
+++ b/kernel/include/ext2.h
@@ -152,6 +152,6 @@ char* files_to_buffer(uint32_t inode);
 path_t* path_to_list(const char* path);
 uint32_t path_to_inode(const char* path);
 void ls(uint32_t inode);
-void print(uint32_t inode);
+void print_inode(uint32_t inode);
 
 #endif
diff --git a/kernel/include/madt.h b/kernel/include/madt.h
new file mode 100644
index 0000000..de3eb95
--- /dev/null
+++ b/kernel/include/madt.h
@@ -0,0 +1,55 @@
+#ifndef MADT_H
+#define MADT_H
+
+#include <rsdp.h>
+
+struct MADT {
+	struct ACPI_header h;
+	uint32_t lacpi_addr;
+	uint32_t flags;
+} __attribute__((packed));
+
+struct MADT_type_header  {
+	uint8_t type;
+	uint8_t len;
+} __attribute__((packed));
+
+struct MADT_cpu_local_apic {
+	struct MADT_type_header h;
+	uint8_t acpi_id;
+	uint8_t apic_id;
+	uint32_t flags;
+} __attribute__((packed));
+
+struct MADT_io_apic {
+	struct MADT_type_header h;
+	uint8_t apic_id;
+	uint8_t reserved;
+	uint32_t io_apic_addr;
+	uint32_t int_base;
+} __attribute__((packed));
+
+struct MADT_io_apic_int {
+	struct MADT_type_header h;
+	uint8_t bus_source;
+	uint8_t irq_source;
+	uint32_t global_sys_int;
+	uint16_t flags;
+} __attribute__((packed));
+
+struct MADT_lapic_nmi {
+	struct MADT_type_header h;
+	uint8_t acpi_cpu_id;
+	uint16_t flags;
+	uint8_t lint;
+} __attribute__((packed));
+
+struct MADT_lapic_addr {
+	struct MADT_type_header h;
+	uint16_t reserved;
+	uint64_t phys_addr;
+} __attribute__((packed));
+
+void parse_madt(void);
+
+#endif
diff --git a/kernel/include/rsdp.h b/kernel/include/rsdp.h
new file mode 100644
index 0000000..c931ee0
--- /dev/null
+++ b/kernel/include/rsdp.h
@@ -0,0 +1,30 @@
+#ifndef RSDP_H
+#define RSDP_H
+
+#include <types.h>
+
+struct RSDP_descriptor {
+	char Signature[8];
+	uint8_t Checksum;
+	char OEMID[6];
+	uint8_t Revision;
+	uint32_t RsdtAddress;
+} __attribute__((packed));
+
+struct ACPI_header {
+	char Signature[4];
+	uint32_t Length;
+	uint8_t Revision;
+	uint8_t Checksum;
+	char OEMID[6];
+	char OEMTableID[8];
+	uint32_t OEMRevision;
+	uint32_t CreatorID;
+	uint32_t CreatorRevision;
+} __attribute__((packed));
+
+
+uint64_t* find_rsdp(void);
+uint64_t* find_sys_table_addr(const char* signature);
+
+#endif