Integrate uACPI

kernel/hal/x86_64/uACPI/include/uacpi/internal/utilities.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <uacpi/types.h>
+#include <uacpi/utilities.h>
+#include <uacpi/internal/log.h>
+#include <uacpi/internal/stdlib.h>
+
+static inline uacpi_phys_addr uacpi_truncate_phys_addr_with_warn(uacpi_u64 large_addr)
+{
+    if (sizeof(uacpi_phys_addr) < 8 && large_addr > 0xFFFFFFFF) {
+        uacpi_warn(
+            "truncating a physical address 0x%"UACPI_PRIX64
+            " outside of address space\n", UACPI_FMT64(large_addr)
+        );
+    }
+
+    return (uacpi_phys_addr)large_addr;
+}
+
+#define UACPI_PTR_TO_VIRT_ADDR(ptr)   ((uacpi_virt_addr)(ptr))
+#define UACPI_VIRT_ADDR_TO_PTR(vaddr) ((void*)(vaddr))
+
+#define UACPI_PTR_ADD(ptr, value) ((void*)(((uacpi_u8*)(ptr)) + value))
+
+/*
+ * Target buffer must have a length of at least 8 bytes.
+ */
+void uacpi_eisa_id_to_string(uacpi_u32, uacpi_char *out_string);
+
+enum uacpi_base {
+    UACPI_BASE_AUTO,
+    UACPI_BASE_OCT = 8,
+    UACPI_BASE_DEC = 10,
+    UACPI_BASE_HEX = 16,
+};
+uacpi_status uacpi_string_to_integer(
+    const uacpi_char *str, uacpi_size max_chars, enum uacpi_base base,
+    uacpi_u64 *out_value
+);
+
+uacpi_bool uacpi_is_valid_nameseg(uacpi_u8 *nameseg);
+
+void uacpi_free_dynamic_string(const uacpi_char *str);
+
+#define UACPI_NANOSECONDS_PER_SEC (1000ull * 1000ull * 1000ull)