Integrate uACPI

kernel/hal/x86_64/uACPI/include/uacpi/sleep.h

@@ -0,0 +1,67 @@
+#pragma once
+
+#include <uacpi/types.h>
+#include <uacpi/status.h>
+#include <uacpi/uacpi.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef UACPI_BAREBONES_MODE
+
+/*
+ * Set the firmware waking vector in FACS.
+ *
+ * 'addr32' is the real mode entry-point address
+ * 'addr64' is the protected mode entry-point address
+ */
+UACPI_ALWAYS_ERROR_FOR_REDUCED_HARDWARE(
+uacpi_status uacpi_set_waking_vector(
+    uacpi_phys_addr addr32, uacpi_phys_addr addr64
+))
+
+typedef enum uacpi_sleep_state {
+    UACPI_SLEEP_STATE_S0 = 0,
+    UACPI_SLEEP_STATE_S1,
+    UACPI_SLEEP_STATE_S2,
+    UACPI_SLEEP_STATE_S3,
+    UACPI_SLEEP_STATE_S4,
+    UACPI_SLEEP_STATE_S5,
+    UACPI_SLEEP_STATE_MAX = UACPI_SLEEP_STATE_S5,
+} uacpi_sleep_state;
+
+/*
+ * Prepare for a given sleep state.
+ * Must be caled with interrupts ENABLED.
+ */
+uacpi_status uacpi_prepare_for_sleep_state(uacpi_sleep_state);
+
+/*
+ * Enter the given sleep state after preparation.
+ * Must be called with interrupts DISABLED.
+ */
+uacpi_status uacpi_enter_sleep_state(uacpi_sleep_state);
+
+/*
+ * Prepare to leave the given sleep state.
+ * Must be called with interrupts DISABLED.
+ */
+uacpi_status uacpi_prepare_for_wake_from_sleep_state(uacpi_sleep_state);
+
+/*
+ * Wake from the given sleep state.
+ * Must be called with interrupts ENABLED.
+ */
+uacpi_status uacpi_wake_from_sleep_state(uacpi_sleep_state);
+
+/*
+ * Attempt reset via the FADT reset register.
+ */
+uacpi_status uacpi_reboot(void);
+
+#endif // !UACPI_BAREBONES_MODE
+
+#ifdef __cplusplus
+}
+#endif