tools: add tool to decode AML files and build an ACPI namespace

tools/amldecode/table.h

@@ -0,0 +1,32 @@
+#ifndef TABLE_H_
+#define TABLE_H_
+
+#include <stdint.h>
+#include <stddef.h>
+
+enum loader_status {
+	LOADER_OK = 0,
+	LOADER_IOERR,
+	LOADER_BADSUM,
+	LOADER_NOMEM,
+};
+
+struct acpi_table {
+	char sig[4];
+	uint32_t length;
+	uint8_t revision;
+	uint8_t checksum;
+	char oem_id[6];
+	char oem_table_id[8];
+	uint32_t oem_revision;
+	uint32_t creator_id;
+	uint32_t creator_revision;
+};
+
+extern enum loader_status acpi_table_load(const char *path, struct acpi_table **out);
+extern void acpi_table_destroy(struct acpi_table *table);
+extern void acpi_table_get_payload(struct acpi_table *table, void **p, size_t *len);
+
+extern const char *loader_status_string(enum loader_status status);
+
+#endif