diff --git a/linux-6.6/ls3a5000_patch/hdf.patch b/linux-6.6/ls3a5000_patch/hdf.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f46d616563d38ae9a502d9eac8da7f1603ba8dca
--- /dev/null
+++ b/linux-6.6/ls3a5000_patch/hdf.patch
@@ -0,0 +1,496 @@
+From cebf4a22f22fd70ffaa9de73d1fa9c2656acda4c Mon Sep 17 00:00:00 2001
+From: gaojuxin <gaojuxin@loongson.cn>
+Date: Tue, 27 Aug 2024 14:37:13 +0800
+Subject: [PATCH] LoongArch: Add hdf driver support for loongarch
+
+Signed-off-by: gaojuxin <gaojuxin@loongson.cn>
+---
+ arch/loongarch/kernel/vmlinux.lds.S |  8 +++
+ drivers/Kconfig                     |  2 +
+ drivers/Makefile                    |  1 +
+ drivers/hdf/Makefile                |  2 +
+ drivers/hid/Makefile                | 13 ++++
+ drivers/hid/hid-core.c              | 99 +++++++++++++++++++++++++++++
+ drivers/hid/hid-input.c             | 51 +++++++++++++++
+ drivers/input/misc/Makefile         | 18 ++++++
+ drivers/input/misc/rk805-pwrkey.c   | 25 ++++++++
+ drivers/input/mousedev.c            |  2 +-
+ drivers/usb/core/notify.c           |  9 +++
+ drivers/usb/dwc3/gadget.c           |  2 +
+ include/linux/hid.h                 |  1 +
+ include/linux/usb.h                 |  3 +
+ 14 files changed, 235 insertions(+), 1 deletion(-)
+ create mode 100644 drivers/hdf/Makefile
+
+diff --git a/arch/loongarch/kernel/vmlinux.lds.S b/arch/loongarch/kernel/vmlinux.lds.S
+index bb2ec86f37a8..047515b55c77 100644
+--- a/arch/loongarch/kernel/vmlinux.lds.S
++++ b/arch/loongarch/kernel/vmlinux.lds.S
+@@ -84,6 +84,14 @@ SECTIONS
+ 		EXIT_DATA
+ 	}
+ 
++#ifdef CONFIG_DRIVERS_HDF
++    .init.hdf_table : {
++        _hdf_drivers_start = .;
++        *(.hdf.driver)
++        _hdf_drivers_end = .;
++    }
++#endif
++
+ #ifdef CONFIG_SMP
+ 	PERCPU_SECTION(1 << CONFIG_L1_CACHE_SHIFT)
+ #endif
+diff --git a/drivers/Kconfig b/drivers/Kconfig
+index 4600b6ba5446..f4ce081bb2e4 100644
+--- a/drivers/Kconfig
++++ b/drivers/Kconfig
+@@ -237,6 +237,8 @@ source "drivers/interconnect/Kconfig"
+ 
+ source "drivers/counter/Kconfig"
+ 
++source "drivers/hdf/khdf/Kconfig"
++
+ source "drivers/most/Kconfig"
+ 
+ source "drivers/peci/Kconfig"
+diff --git a/drivers/Makefile b/drivers/Makefile
+index 34963a7f5ec1..18da6bca9240 100644
+--- a/drivers/Makefile
++++ b/drivers/Makefile
+@@ -195,6 +195,7 @@ obj-$(CONFIG_SIOX)		+= siox/
+ obj-$(CONFIG_GNSS)		+= gnss/
+ obj-$(CONFIG_INTERCONNECT)	+= interconnect/
+ obj-$(CONFIG_COUNTER)		+= counter/
++obj-$(CONFIG_DRIVERS_HDF)	+= hdf/
+ obj-$(CONFIG_MOST)		+= most/
+ obj-$(CONFIG_PECI)		+= peci/
+ obj-$(CONFIG_HTE)		+= hte/
+diff --git a/drivers/hdf/Makefile b/drivers/hdf/Makefile
+new file mode 100644
+index 000000000000..5c5e1911c4f7
+--- /dev/null
++++ b/drivers/hdf/Makefile
+@@ -0,0 +1,2 @@
++export PROJECT_ROOT := ../../../../../
++obj-$(CONFIG_DRIVERS_HDF) += khdf/
+diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
+index 8a06d0f840bc..f005edd1dcc0 100644
+--- a/drivers/hid/Makefile
++++ b/drivers/hid/Makefile
+@@ -2,6 +2,19 @@
+ #
+ # Makefile for the HID driver
+ #
++HDF_ROOT_DIR = -I$(srctree)/drivers/hdf
++ccflags-$(CONFIG_DRIVERS_HDF_INPUT) += $(HDF_ROOT_DIR)/framework/model/input/driver \
++             $(HDF_ROOT_DIR)/framework/include/core \
++             $(HDF_ROOT_DIR)/framework/core/common/include/host \
++             $(HDF_ROOT_DIR)/framework/include/utils \
++             $(HDF_ROOT_DIR)/framework/include/osal \
++             $(HDF_ROOT_DIR)/framework/ability/sbuf/include \
++             $(HDF_ROOT_DIR)/inner_api/utils \
++             $(HDF_ROOT_DIR)/inner_api/osal/shared \
++             $(HDF_ROOT_DIR)/inner_api/host/shared \
++             $(HDF_ROOT_DIR)/inner_api/core \
++             $(HDF_ROOT_DIR)/khdf/osal/include \
++             $(HDF_ROOT_DIR)/evdev
+ hid-y			:= hid-core.o hid-input.o hid-quirks.o
+ hid-$(CONFIG_DEBUG_FS)		+= hid-debug.o
+ 
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index e0181218ad85..583d6aabf236 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -33,6 +33,9 @@
+ #include <linux/hid-debug.h>
+ #include <linux/hidraw.h>
+ 
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++#include "hdf_hid_adapter.h"
++#endif
+ #include "hid-ids.h"
+ 
+ /*
+@@ -1541,6 +1544,11 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field,
+ 		hidinput_hid_event(hid, field, usage, value);
+ 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
+ 		hid->hiddev_hid_event(hid, field, usage, value);
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++	if (hid->input_dev) {
++		HidReportEvent(hid->input_dev, usage->type, usage->code, value);
++	}
++#endif
+ }
+ 
+ /*
+@@ -2166,6 +2174,85 @@ static const struct device_attribute dev_attr_country = {
+ 	.show = show_country,
+ };
+ 
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++static bool check_mouse(char *name)
++{
++	int i;
++	static char *option[]={"Mouse", "mouse", "MOUSE", "Razer"};
++	for (i = 0; i < 4; i++) {
++		if (strstr(name, option[i]))
++			return true;
++	}
++	return false;
++}
++static bool check_kbd(char *name)
++{
++	int i;
++	static char *option[]={"Keyboard", "keyboard"};
++	for (i = 0; i < 2; i++) {
++		if (strstr(name, option[i]))
++			return true;
++	}
++	return false;
++}
++static bool check_rocker(char *name)
++{
++	int i;
++	static char *option[]={"Thrustmaster"};
++	for (i = 0; i < 1; i++) {
++		if (strstr(name, option[i]))
++			return true;
++	}
++	return false;
++}
++static bool check_encoder(char *name)
++{
++	if (strcmp(name, "Wired KeyBoard") == 0) {
++		return true;
++	}
++	return false;
++}
++static bool check_trackball(char *name)
++{
++	int i;
++	static char *option[]={"Trackball"};
++	for (i = 0; i < 1; i++) {
++		if (strstr(name, option[i]))
++			return true;
++	}
++	return false;
++}
++static void notify_connect_event(struct hid_device *hdev)
++{
++	bool check;
++	int type = -1;
++	HidInfo *dev = (HidInfo *)kmalloc(sizeof(HidInfo), GFP_KERNEL);
++	if (dev == NULL) {
++		printk("%s: malloc failed", __func__);
++		return;
++	}
++	type = check_mouse(hdev->name)?HID_TYPE_MOUSE:type;
++	type = check_kbd(hdev->name)?HID_TYPE_KEYBOARD:type;
++	type = check_rocker(hdev->name)?HID_TYPE_ROCKER:type;
++	type = check_encoder(hdev->name)?HID_TYPE_ENCODER:type;
++	type = check_trackball(hdev->name)?HID_TYPE_TRACKBALL:type;
++	if ( type < 0) {
++		kfree(dev);
++		dev = NULL;
++		return;
++	}
++
++	dev->devType = type;
++	dev->devName = hdev->name;
++	hdev->input_dev = HidRegisterHdfInputDev(dev);
++	if (hdev->input_dev == NULL) {
++		printk("%s: RegisterInputDevice failed\n", __func__);
++	}
++	kfree(dev);
++	dev = NULL;
++}
++#endif
++
+ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
+ {
+ 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
+@@ -2268,6 +2355,9 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
+ 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
+ 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
+ 		 type, hdev->name, hdev->phys);
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++	notify_connect_event(hdev);
++#endif
+ 
+ 	return 0;
+ }
+@@ -2328,6 +2418,10 @@ void hid_hw_stop(struct hid_device *hdev)
+ {
+ 	hid_disconnect(hdev);
+ 	hdev->ll_driver->stop(hdev);
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++    if (hdev->input_dev)
++        HidUnregisterHdfInputDev(hdev->input_dev);
++#endif
+ }
+ EXPORT_SYMBOL_GPL(hid_hw_stop);
+ 
+@@ -2369,6 +2463,11 @@ EXPORT_SYMBOL_GPL(hid_hw_open);
+  */
+ void hid_hw_close(struct hid_device *hdev)
+ {
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++	if (hdev->input_dev) {
++		return;
++	}
++#endif
+ 	mutex_lock(&hdev->ll_open_lock);
+ 	if (!--hdev->ll_open_count)
+ 		hdev->ll_driver->close(hdev);
+diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
+index c8b20d44b147..2c302021fe8d 100644
+--- a/drivers/hid/hid-input.c
++++ b/drivers/hid/hid-input.c
+@@ -20,6 +20,10 @@
+ #include <linux/hid.h>
+ #include <linux/hid-debug.h>
+ 
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++#include "hdf_hid_adapter.h"
++#endif
++
+ #include "hid-ids.h"
+ 
+ #define unk	KEY_UNKNOWN
+@@ -1745,7 +1749,15 @@ void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
+ 		return;
+ 
+ 	list_for_each_entry(hidinput, &hid->inputs, list)
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++	{
++#endif
+ 		input_sync(hidinput->input);
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++		if(hid->input_dev)
++			HidReportEvent(hid->input_dev, EV_SYN, SYN_REPORT, 0);
++	}
++#endif
+ }
+ EXPORT_SYMBOL_GPL(hidinput_report_event);
+ 
+@@ -2267,6 +2279,42 @@ static inline void hidinput_configure_usages(struct hid_input *hidinput,
+ 						 j);
+ }
+ 
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++static void transfer_info(struct input_dev *dev)
++{
++	int i;
++	HidInfo *info = (HidInfo *)kmalloc(sizeof(HidInfo),GFP_KERNEL);
++	if (info == NULL) {
++		printk("%s: malloc failed\n",__func__);
++		return;
++	}
++	info->devName = dev->name;
++	memcpy(info->devProp, dev->propbit, sizeof(unsigned long) * BITS_TO_LONGS(INPUT_PROP_CNT));
++	memcpy(info->eventType, dev->evbit, sizeof(unsigned long) * BITS_TO_LONGS(EV_CNT));
++	memcpy(info->keyCode, dev->keybit, sizeof(unsigned long) * BITS_TO_LONGS(KEY_CNT));
++	memcpy(info->relCode, dev->relbit, sizeof(unsigned long) * BITS_TO_LONGS(REL_CNT));
++	memcpy(info->absCode, dev->absbit, sizeof(unsigned long) * BITS_TO_LONGS(ABS_CNT));
++	memcpy(info->miscCode, dev->mscbit, sizeof(unsigned long) * BITS_TO_LONGS(MSC_CNT));
++	memcpy(info->ledCode, dev->ledbit, sizeof(unsigned long) * BITS_TO_LONGS(LED_CNT));
++	memcpy(info->soundCode, dev->sndbit, sizeof(unsigned long) * BITS_TO_LONGS(SND_CNT));
++	memcpy(info->forceCode, dev->ffbit, sizeof(unsigned long) * BITS_TO_LONGS(FF_CNT));
++	memcpy(info->switchCode, dev->swbit, sizeof(unsigned long) * BITS_TO_LONGS(SW_CNT));
++	for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++) {
++		if (dev->absbit[i] != 0) {
++			memcpy(info->axisInfo, dev->absinfo, sizeof(struct input_absinfo) * ABS_CNT);
++			break;
++		}
++	}
++	info->bustype = dev->id.bustype;
++	info->vendor = dev->id.vendor;
++	info->product = dev->id.product;
++	info->version = dev->id.version;
++	SendInfoToHdf(info);
++	kfree(info);
++	info = NULL;
++}
++#endif
++
+ /*
+  * Register the input device; print a message.
+  * Configure the input layer interface
+@@ -2352,6 +2400,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
+ 			continue;
+ 		}
+ 
++#if defined(CONFIG_DRIVERS_HDF_INPUT)
++		transfer_info(hidinput->input);
++#endif
+ 		if (input_register_device(hidinput->input))
+ 			goto out_unwind;
+ 		hidinput->registered = true;
+diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
+index 04296a4abe8e..1638e872f162 100644
+--- a/drivers/input/misc/Makefile
++++ b/drivers/input/misc/Makefile
+@@ -90,3 +90,21 @@ obj-$(CONFIG_INPUT_WM831X_ON)		+= wm831x-on.o
+ obj-$(CONFIG_INPUT_XEN_KBDDEV_FRONTEND)	+= xen-kbdfront.o
+ obj-$(CONFIG_INPUT_YEALINK)		+= yealink.o
+ obj-$(CONFIG_INPUT_IDEAPAD_SLIDEBAR)	+= ideapad_slidebar.o
++ccflags-y +=-I$(srctree)/drivers/hdf/framework/model/input/driver \
++			-I$(srctree)/drivers/hdf/framework/model/input/driver/input_bus_ops \
++			-I$(srctree)/drivers/hdf/framework/include/core \
++			-I$(srctree)/drivers/hdf/framework/core/common/include/host \
++			-I$(srctree)/drivers/hdf/framework/include/utils \
++			-I$(srctree)/drivers/hdf/framework/include/osal \
++			-I$(srctree)/drivers/hdf/framework/include/platform \
++			-I$(srctree)/drivers/hdf/framework/include/config \
++			-I$(srctree)/drivers/hdf/framework/core/host/include \
++			-I$(srctree)/drivers/hdf/framework/core/shared/include \
++			-I$(srctree)/drivers/hdf/framework/utils/include \
++			-I$(srctree)/drivers/hdf/inner_api/osal/shared \
++			-I$(srctree)/drivers/hdf/inner_api/host/shared \
++			-I$(srctree)/drivers/hdf/inner_api/utils \
++			-I$(srctree)/drivers/hdf/inner_api/core \
++			-I$(srctree)/drivers/hdf/khdf/osal/include
++ccflags-y +=-I$(srctree)/bounds_checking_function/include \
++			-I$(srctree)/drivers/hdf/evdev
+diff --git a/drivers/input/misc/rk805-pwrkey.c b/drivers/input/misc/rk805-pwrkey.c
+index 76873aa005b4..4e279fe2ea63 100644
+--- a/drivers/input/misc/rk805-pwrkey.c
++++ b/drivers/input/misc/rk805-pwrkey.c
+@@ -14,6 +14,9 @@
+ #include <linux/kernel.h>
+ #include <linux/module.h>
+ #include <linux/platform_device.h>
++#include "hdf_hid_adapter.h"
++
++InputDevice *HidinputDev=NULL;
+ 
+ static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
+ {
+@@ -22,6 +25,8 @@ static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
+ 	input_report_key(pwr, KEY_POWER, 1);
+ 	input_sync(pwr);
+ 
++	HidReportEvent(HidinputDev, EV_KEY, KEY_POWER, 1);
++	HidReportEvent(HidinputDev, EV_SYN, SYN_REPORT, 0);
+ 	return IRQ_HANDLED;
+ }
+ 
+@@ -32,9 +37,24 @@ static irqreturn_t pwrkey_rise_irq(int irq, void *_pwr)
+ 	input_report_key(pwr, KEY_POWER, 0);
+ 	input_sync(pwr);
+ 
++	HidReportEvent(HidinputDev, EV_KEY, KEY_POWER, 0);
++	HidReportEvent(HidinputDev, EV_SYN, SYN_REPORT, 0);
+ 	return IRQ_HANDLED;
+ }
+ 
++static InputDevice* HidRegisterHdfPowerKeyDev(void)
++{
++	InputDevice* inputDev = NULL;
++	HidInfo Hid_keyInfo;
++
++	Hid_keyInfo.devType = HID_TYPE_KEY;
++	Hid_keyInfo.eventType[0] = SET_BIT(EV_KEY);
++	Hid_keyInfo.keyCode[3] = SET_BIT(KEY_POWER);
++	Hid_keyInfo.devName = "hid-powerkey";
++	inputDev = HidRegisterHdfInputDev(&Hid_keyInfo);
++	return inputDev;
++}
++
+ static int rk805_pwrkey_probe(struct platform_device *pdev)
+ {
+ 	struct input_dev *pwr;
+@@ -87,6 +107,11 @@ static int rk805_pwrkey_probe(struct platform_device *pdev)
+ 	platform_set_drvdata(pdev, pwr);
+ 	device_init_wakeup(&pdev->dev, true);
+ 
++	HidinputDev = HidRegisterHdfPowerKeyDev();
++	if (NULL == HidinputDev) {
++		pr_err("HidRegisterHdfInputDev error\n");
++		return -EINVAL;
++	}
+ 	return 0;
+ }
+ 
+diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
+index 505c562a5daa..67d451beba08 100644
+--- a/drivers/input/mousedev.c
++++ b/drivers/input/mousedev.c
+@@ -869,7 +869,7 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
+ 
+ 	if (mixdev) {
+ 		dev_set_name(&mousedev->dev, "mice");
+-
++		mousedev->open = 1;
+ 		mousedev->open_device = mixdev_open_devices;
+ 		mousedev->close_device = mixdev_close_devices;
+ 	} else {
+diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c
+index e6143663778f..8256d576c762 100644
+--- a/drivers/usb/core/notify.c
++++ b/drivers/usb/core/notify.c
+@@ -66,3 +66,12 @@ void usb_notify_remove_bus(struct usb_bus *ubus)
+ {
+ 	blocking_notifier_call_chain(&usb_notifier_list, USB_BUS_REMOVE, ubus);
+ }
++
++void usb_notify_online_status(bool online)
++{
++	if (online) {
++		blocking_notifier_call_chain(&usb_notifier_list, USB_GADGET_ADD, NULL);
++	} else {
++		blocking_notifier_call_chain(&usb_notifier_list, USB_GADGET_REMOVE, NULL);
++	}
++}
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index 28f49400f3e8..abcc53a0779c 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -4360,6 +4360,7 @@ static void dwc3_gadget_interrupt(struct dwc3 *dwc,
+ {
+ 	switch (event->type) {
+ 	case DWC3_DEVICE_EVENT_DISCONNECT:
++		usb_notify_online_status(false);
+ 		dwc3_gadget_disconnect_interrupt(dwc);
+ 		break;
+ 	case DWC3_DEVICE_EVENT_RESET:
+@@ -4367,6 +4368,7 @@ static void dwc3_gadget_interrupt(struct dwc3 *dwc,
+ 		break;
+ 	case DWC3_DEVICE_EVENT_CONNECT_DONE:
+ 		dwc3_gadget_conndone_interrupt(dwc);
++		usb_notify_online_status(true);
+ 		break;
+ 	case DWC3_DEVICE_EVENT_WAKEUP:
+ 		dwc3_gadget_wakeup_interrupt(dwc, event->event_info);
+diff --git a/include/linux/hid.h b/include/linux/hid.h
+index 3b08a2957229..12de49aa3779 100644
+--- a/include/linux/hid.h
++++ b/include/linux/hid.h
+@@ -686,6 +686,7 @@ struct hid_device {							/* device report descriptor */
+ #ifdef CONFIG_BPF
+ 	struct hid_bpf bpf;						/* hid-bpf data */
+ #endif /* CONFIG_BPF */
++    void *input_dev;
+ };
+ 
+ void hiddev_free(struct kref *ref);
+diff --git a/include/linux/usb.h b/include/linux/usb.h
+index a21074861f91..9e75513e4f7e 100644
+--- a/include/linux/usb.h
++++ b/include/linux/usb.h
+@@ -2056,8 +2056,11 @@ static inline int usb_translate_errors(int error_code)
+ #define USB_DEVICE_REMOVE	0x0002
+ #define USB_BUS_ADD		0x0003
+ #define USB_BUS_REMOVE		0x0004
++#define USB_GADGET_ADD		0x0005
++#define USB_GADGET_REMOVE	0x0006
+ extern void usb_register_notify(struct notifier_block *nb);
+ extern void usb_unregister_notify(struct notifier_block *nb);
++extern void usb_notify_online_status(bool online);
+ 
+ /* debugfs stuff */
+ extern struct dentry *usb_debug_root;
+-- 
+2.39.2
+
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/auxvec.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/auxvec.h
new file mode 100644
index 0000000000000000000000000000000000000000..922d9e6b50586827343fdf4860ee3149cce68191
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/auxvec.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Author: Hanlu Li <lihanlu@loongson.cn>
+ *         Huacai Chen <chenhuacai@loongson.cn>
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+
+#ifndef __ASM_AUXVEC_H
+#define __ASM_AUXVEC_H
+
+/* Location of VDSO image. */
+#define AT_SYSINFO_EHDR		33
+
+#define AT_VECTOR_SIZE_ARCH 1 /* entries in ARCH_DLINFO */
+
+#endif /* __ASM_AUXVEC_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/bitsperlong.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/bitsperlong.h
new file mode 100644
index 0000000000000000000000000000000000000000..00b4ba1e5cdf032f81aff9f728dcffea68571880
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/bitsperlong.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __ASM_LOONGARCH_BITSPERLONG_H
+#define __ASM_LOONGARCH_BITSPERLONG_H
+
+#define __BITS_PER_LONG (__SIZEOF_LONG__ * 8)
+
+#include <asm-generic/bitsperlong.h>
+
+#endif /* __ASM_LOONGARCH_BITSPERLONG_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/bpf_perf_event.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/bpf_perf_event.h
new file mode 100644
index 0000000000000000000000000000000000000000..fcba2e0eed37ae0e2b8b252835a2b6c82af851ac
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/bpf_perf_event.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __ASM_BPF_PERF_EVENT_H__
+#define __ASM_BPF_PERF_EVENT_H__
+
+#include <linux/ptrace.h>
+
+typedef struct user_pt_regs bpf_user_pt_regs_t;
+
+#endif /* __ASM_BPF_PERF_EVENT_H__ */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/break.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/break.h
new file mode 100644
index 0000000000000000000000000000000000000000..bb9b82ba59f2b0d285ee5377e0b8b04d279a9492
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/break.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef __UAPI_ASM_BREAK_H
+#define __UAPI_ASM_BREAK_H
+
+#define BRK_DEFAULT		0	/* Used as default */
+#define BRK_BUG			1	/* Used by BUG() */
+#define BRK_KDB			2	/* Used in KDB_ENTER() */
+#define BRK_MATHEMU		3	/* Used by FPU emulator */
+#define BRK_USERBP		4	/* User bp (used by debuggers) */
+#define BRK_SSTEPBP		5	/* User bp (used by debuggers) */
+#define BRK_OVERFLOW		6	/* Overflow check */
+#define BRK_DIVZERO		7	/* Divide by zero check */
+#define BRK_RANGE		8	/* Range error check */
+#define BRK_MULOVFL		9	/* Multiply overflow */
+#define BRK_KPROBE_BP		10	/* Kprobe break */
+#define BRK_KPROBE_SSTEPBP	11	/* Kprobe single step break */
+#define BRK_UPROBE_BP		12	/* See <asm/uprobes.h> */
+#define BRK_UPROBE_XOLBP	13	/* See <asm/uprobes.h> */
+
+#endif /* __UAPI_ASM_BREAK_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/byteorder.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/byteorder.h
new file mode 100644
index 0000000000000000000000000000000000000000..b1722d890debdb34c9ca79d396ddc68b44f94af0
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/byteorder.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Author: Hanlu Li <lihanlu@loongson.cn>
+ *         Huacai Chen <chenhuacai@loongson.cn>
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_BYTEORDER_H
+#define _ASM_BYTEORDER_H
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_BYTEORDER_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/errno.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/errno.h
new file mode 100644
index 0000000000000000000000000000000000000000..9addba5926463b5644233f6b9ab4b0a8fe492abe
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/errno.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/errno.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/fcntl.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/fcntl.h
new file mode 100644
index 0000000000000000000000000000000000000000..a77648c505d1784915fc69283e7448b24b471c1e
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/fcntl.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/fcntl.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/hwcap.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/hwcap.h
new file mode 100644
index 0000000000000000000000000000000000000000..d2ec25bf7176dbd23fc05d4556f834e57375c340
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/hwcap.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_HWCAP_H
+#define _ASM_HWCAP_H
+
+/* HWCAP flags */
+#define HWCAP_LOONGARCH_CPUCFG		(1 << 0)
+#define HWCAP_LOONGARCH_LAM		(1 << 1)
+#define HWCAP_LOONGARCH_UAL		(1 << 2)
+#define HWCAP_LOONGARCH_FPU		(1 << 3)
+#define HWCAP_LOONGARCH_LSX		(1 << 4)
+#define HWCAP_LOONGARCH_LASX		(1 << 5)
+#define HWCAP_LOONGARCH_CRC32		(1 << 6)
+#define HWCAP_LOONGARCH_COMPLEX		(1 << 7)
+#define HWCAP_LOONGARCH_CRYPTO		(1 << 8)
+#define HWCAP_LOONGARCH_LVZ		(1 << 9)
+#define HWCAP_LOONGARCH_LBT_X86		(1 << 10)
+#define HWCAP_LOONGARCH_LBT_ARM		(1 << 11)
+#define HWCAP_LOONGARCH_LBT_MIPS	(1 << 12)
+#define HWCAP_LOONGARCH_PTW		(1 << 13)
+
+#endif /* _ASM_HWCAP_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ioctl.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ioctl.h
new file mode 100644
index 0000000000000000000000000000000000000000..b809c4566e5f8b119f98aa55173938912203723d
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ioctl.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/ioctl.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ioctls.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ioctls.h
new file mode 100644
index 0000000000000000000000000000000000000000..9ea7e6821d75802d42364593e0ecfcfeac7d862c
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ioctls.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/ioctls.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ipcbuf.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ipcbuf.h
new file mode 100644
index 0000000000000000000000000000000000000000..90d6445a14df81c369ea5e0b04f0d48086c10a7d
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ipcbuf.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/ipcbuf.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/kvm_para.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/kvm_para.h
new file mode 100644
index 0000000000000000000000000000000000000000..baacc4996d18e77e1b1e37b7a0ebcaf5f9a535e5
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/kvm_para.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/kvm_para.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/mman.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/mman.h
new file mode 100644
index 0000000000000000000000000000000000000000..306fc0460b800861b885674420275436a55ca4c3
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/mman.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/mman.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/msgbuf.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/msgbuf.h
new file mode 100644
index 0000000000000000000000000000000000000000..208330735f798e2c994173acde72fad628e45d04
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/msgbuf.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/msgbuf.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/param.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/param.h
new file mode 100644
index 0000000000000000000000000000000000000000..b4f6b92cc0f4eddda54a4381e233f12cfee3c972
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/param.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/param.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/perf_regs.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/perf_regs.h
new file mode 100644
index 0000000000000000000000000000000000000000..29d69c00fc7a665f743d931223916c43cd0b4849
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/perf_regs.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_LOONGARCH_PERF_REGS_H
+#define _ASM_LOONGARCH_PERF_REGS_H
+
+enum perf_event_loongarch_regs {
+	PERF_REG_LOONGARCH_PC,
+	PERF_REG_LOONGARCH_R1,
+	PERF_REG_LOONGARCH_R2,
+	PERF_REG_LOONGARCH_R3,
+	PERF_REG_LOONGARCH_R4,
+	PERF_REG_LOONGARCH_R5,
+	PERF_REG_LOONGARCH_R6,
+	PERF_REG_LOONGARCH_R7,
+	PERF_REG_LOONGARCH_R8,
+	PERF_REG_LOONGARCH_R9,
+	PERF_REG_LOONGARCH_R10,
+	PERF_REG_LOONGARCH_R11,
+	PERF_REG_LOONGARCH_R12,
+	PERF_REG_LOONGARCH_R13,
+	PERF_REG_LOONGARCH_R14,
+	PERF_REG_LOONGARCH_R15,
+	PERF_REG_LOONGARCH_R16,
+	PERF_REG_LOONGARCH_R17,
+	PERF_REG_LOONGARCH_R18,
+	PERF_REG_LOONGARCH_R19,
+	PERF_REG_LOONGARCH_R20,
+	PERF_REG_LOONGARCH_R21,
+	PERF_REG_LOONGARCH_R22,
+	PERF_REG_LOONGARCH_R23,
+	PERF_REG_LOONGARCH_R24,
+	PERF_REG_LOONGARCH_R25,
+	PERF_REG_LOONGARCH_R26,
+	PERF_REG_LOONGARCH_R27,
+	PERF_REG_LOONGARCH_R28,
+	PERF_REG_LOONGARCH_R29,
+	PERF_REG_LOONGARCH_R30,
+	PERF_REG_LOONGARCH_R31,
+	PERF_REG_LOONGARCH_MAX,
+};
+#endif /* _ASM_LOONGARCH_PERF_REGS_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/poll.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/poll.h
new file mode 100644
index 0000000000000000000000000000000000000000..b7132a305a476847d1b05aabc8087c89e6523c1d
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/poll.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/poll.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/posix_types.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/posix_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..97b3f1f1e323c1c79dce5a31bedf99255a14910d
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/posix_types.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/posix_types.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ptrace.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ptrace.h
new file mode 100644
index 0000000000000000000000000000000000000000..eadc453ece03a4a723e5cf1d5c01e60faa85a9f3
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ptrace.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Author: Hanlu Li <lihanlu@loongson.cn>
+ *         Huacai Chen <chenhuacai@loongson.cn>
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_PTRACE_H
+#define _ASM_PTRACE_H
+
+#include <linux/types.h>
+
+#include <stdint.h>
+
+/*
+ * For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs,
+ * 32 is syscall's original ARG0, 33 is PC, 34 is BADVADDR.
+ */
+#define GPR_BASE	0
+#define GPR_NUM		32
+#define GPR_END		(GPR_BASE + GPR_NUM - 1)
+#define ARG0		(GPR_END + 1)
+#define PC		(GPR_END + 2)
+#define BADVADDR	(GPR_END + 3)
+
+#define NUM_FPU_REGS	32
+
+struct user_pt_regs {
+	/* Main processor registers. */
+	unsigned long regs[32];
+
+	/* Original syscall arg0. */
+	unsigned long orig_a0;
+
+	/* Special CSR registers. */
+	unsigned long csr_era;
+	unsigned long csr_badv;
+	unsigned long reserved[10];
+} __attribute__((aligned(8)));
+
+struct user_fp_state {
+	uint64_t fpr[32];
+	uint64_t fcc;
+	uint32_t fcsr;
+};
+
+struct user_lsx_state {
+	/* 32 registers, 128 bits width per register. */
+	uint64_t vregs[32*2];
+};
+
+struct user_lasx_state {
+	/* 32 registers, 256 bits width per register. */
+	uint64_t vregs[32*4];
+};
+
+struct user_lbt_state {
+	uint64_t scr[4];
+	uint32_t eflags;
+	uint32_t ftop;
+};
+
+struct user_watch_state {
+	uint64_t dbg_info;
+	struct {
+		uint64_t    addr;
+		uint64_t    mask;
+		uint32_t    ctrl;
+		uint32_t    pad;
+	} dbg_regs[8];
+};
+
+#define PTRACE_SYSEMU			0x1f
+#define PTRACE_SYSEMU_SINGLESTEP	0x20
+
+#endif /* _ASM_PTRACE_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/reg.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/reg.h
new file mode 100644
index 0000000000000000000000000000000000000000..90ad910c60eb3179eb44b388193665f8f1df35dd
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/reg.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Various register offset definitions for debuggers, core file
+ * examiners and whatnot.
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+
+#ifndef __UAPI_ASM_LOONGARCH_REG_H
+#define __UAPI_ASM_LOONGARCH_REG_H
+
+#define LOONGARCH_EF_R0		0
+#define LOONGARCH_EF_R1		1
+#define LOONGARCH_EF_R2		2
+#define LOONGARCH_EF_R3		3
+#define LOONGARCH_EF_R4		4
+#define LOONGARCH_EF_R5		5
+#define LOONGARCH_EF_R6		6
+#define LOONGARCH_EF_R7		7
+#define LOONGARCH_EF_R8		8
+#define LOONGARCH_EF_R9		9
+#define LOONGARCH_EF_R10	10
+#define LOONGARCH_EF_R11	11
+#define LOONGARCH_EF_R12	12
+#define LOONGARCH_EF_R13	13
+#define LOONGARCH_EF_R14	14
+#define LOONGARCH_EF_R15	15
+#define LOONGARCH_EF_R16	16
+#define LOONGARCH_EF_R17	17
+#define LOONGARCH_EF_R18	18
+#define LOONGARCH_EF_R19	19
+#define LOONGARCH_EF_R20	20
+#define LOONGARCH_EF_R21	21
+#define LOONGARCH_EF_R22	22
+#define LOONGARCH_EF_R23	23
+#define LOONGARCH_EF_R24	24
+#define LOONGARCH_EF_R25	25
+#define LOONGARCH_EF_R26	26
+#define LOONGARCH_EF_R27	27
+#define LOONGARCH_EF_R28	28
+#define LOONGARCH_EF_R29	29
+#define LOONGARCH_EF_R30	30
+#define LOONGARCH_EF_R31	31
+
+/*
+ * Saved special registers
+ */
+#define LOONGARCH_EF_ORIG_A0	32
+#define LOONGARCH_EF_CSR_ERA	33
+#define LOONGARCH_EF_CSR_BADV	34
+#define LOONGARCH_EF_CSR_CRMD	35
+#define LOONGARCH_EF_CSR_PRMD	36
+#define LOONGARCH_EF_CSR_EUEN	37
+#define LOONGARCH_EF_CSR_ECFG	38
+#define LOONGARCH_EF_CSR_ESTAT	39
+
+#define LOONGARCH_EF_SIZE	320	/* size in bytes */
+
+#endif /* __UAPI_ASM_LOONGARCH_REG_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/resource.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/resource.h
new file mode 100644
index 0000000000000000000000000000000000000000..49a81fbab43d9436df3876feb60cb87d86cbed4c
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/resource.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/resource.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sembuf.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sembuf.h
new file mode 100644
index 0000000000000000000000000000000000000000..d95eae8b3782c0c4543e868362f10ff2ac73287c
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sembuf.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/sembuf.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/setup.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/setup.h
new file mode 100644
index 0000000000000000000000000000000000000000..4bd19f80f9b0b3134fa2dafb9c7d311515b76423
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/setup.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/setup.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/shmbuf.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/shmbuf.h
new file mode 100644
index 0000000000000000000000000000000000000000..617f564fdd2421b6cfdbd7c5fb8341fb11448f79
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/shmbuf.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/shmbuf.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sigcontext.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sigcontext.h
new file mode 100644
index 0000000000000000000000000000000000000000..ea318eccd5eb705772e7df8a5eccadc5174249c5
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sigcontext.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Author: Hanlu Li <lihanlu@loongson.cn>
+ *         Huacai Chen <chenhuacai@loongson.cn>
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_SIGCONTEXT_H
+#define _ASM_SIGCONTEXT_H
+
+#include <linux/types.h>
+#include <linux/posix_types.h>
+
+/* FP context was used */
+#define SC_USED_FP		(1 << 0)
+/* Address error was due to memory load */
+#define SC_ADDRERR_RD		(1 << 30)
+/* Address error was due to memory store */
+#define SC_ADDRERR_WR		(1 << 31)
+
+struct sigcontext {
+	__u64	sc_pc;
+	__u64	sc_regs[32];
+	__u32	sc_flags;
+	__u64	sc_extcontext[0] __attribute__((__aligned__(16)));
+};
+
+#define CONTEXT_INFO_ALIGN	16
+struct sctx_info {
+	__u32	magic;
+	__u32	size;
+	__u64	padding;	/* padding to 16 bytes */
+};
+
+/* FPU context */
+#define FPU_CTX_MAGIC		0x46505501
+#define FPU_CTX_ALIGN		8
+struct fpu_context {
+	__u64	regs[32];
+	__u64	fcc;
+	__u32	fcsr;
+};
+
+/* LSX context */
+#define LSX_CTX_MAGIC		0x53580001
+#define LSX_CTX_ALIGN		16
+struct lsx_context {
+	__u64	regs[2*32];
+	__u64	fcc;
+	__u32	fcsr;
+};
+
+/* LASX context */
+#define LASX_CTX_MAGIC		0x41535801
+#define LASX_CTX_ALIGN		32
+struct lasx_context {
+	__u64	regs[4*32];
+	__u64	fcc;
+	__u32	fcsr;
+};
+
+/* LBT context */
+#define LBT_CTX_MAGIC		0x42540001
+#define LBT_CTX_ALIGN		8
+struct lbt_context {
+	__u64	regs[4];
+	__u32	eflags;
+	__u32	ftop;
+};
+
+
+#endif /* _ASM_SIGCONTEXT_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/siginfo.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/siginfo.h
new file mode 100644
index 0000000000000000000000000000000000000000..668e5e013171cefa0ab6f0bbcf20c782981a83d1
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/siginfo.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/siginfo.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/signal.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/signal.h
new file mode 100644
index 0000000000000000000000000000000000000000..2fe75e7b782e74d6ef39b22bf01cfe814753d918
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/signal.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_SIGNAL_H
+#define _ASM_SIGNAL_H
+
+#define MINSIGSTKSZ 4096
+#define SIGSTKSZ    16384
+
+#include <asm-generic/signal.h>
+
+#endif
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/socket.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/socket.h
new file mode 100644
index 0000000000000000000000000000000000000000..770aaa96f7c64d54072cfae3b4b1a23154068c0b
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/socket.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/socket.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sockios.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sockios.h
new file mode 100644
index 0000000000000000000000000000000000000000..5c89ac629afecc2de254d33c0b669dacb8359938
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/sockios.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/sockios.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/stat.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/stat.h
new file mode 100644
index 0000000000000000000000000000000000000000..edbb13d7b93b6e3034b11ab8fb1e70d6588d8e0a
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/stat.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/stat.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/statfs.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/statfs.h
new file mode 100644
index 0000000000000000000000000000000000000000..608243f59f9e24fb4952fa3edf1381264cab34bd
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/statfs.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/statfs.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/swab.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/swab.h
new file mode 100644
index 0000000000000000000000000000000000000000..316e556fc1b90010ea116ccba54fc078fc24d594
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/swab.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/swab.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/termbits.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/termbits.h
new file mode 100644
index 0000000000000000000000000000000000000000..e8a957095804e82fea1c5dfa46a80339ed715d33
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/termbits.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/termbits.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/termios.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/termios.h
new file mode 100644
index 0000000000000000000000000000000000000000..ec082a97874fdabdf3bee4c43c5b3b3b76f3ccb8
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/termios.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/termios.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/types.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/types.h
new file mode 100644
index 0000000000000000000000000000000000000000..68100e108ea6090d34ca6e6ad5ec3559e0727048
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/types.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#include <asm-generic/types.h>
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ucontext.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ucontext.h
new file mode 100644
index 0000000000000000000000000000000000000000..12577e22b1c710e43d9d6d25e29eef55792f2b99
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/ucontext.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LOONGARCH_UAPI_ASM_UCONTEXT_H
+#define __LOONGARCH_UAPI_ASM_UCONTEXT_H
+
+/**
+ * struct ucontext - user context structure
+ * @uc_flags:
+ * @uc_link:
+ * @uc_stack:
+ * @uc_mcontext:	holds basic processor state
+ * @uc_sigmask:
+ * @uc_extcontext:	holds extended processor state
+ */
+struct ucontext {
+	unsigned long		uc_flags;
+	struct ucontext		*uc_link;
+	stack_t			uc_stack;
+	sigset_t		uc_sigmask;
+	/* There's some padding here to allow sigset_t to be expanded in the
+	 * future.  Though this is unlikely, other architectures put uc_sigmask
+	 * at the end of this structure and explicitly state it can be
+	 * expanded, so we didn't want to box ourselves in here. */
+	__u8		  __unused[1024 / 8 - sizeof(sigset_t)];
+	/* We can't put uc_sigmask at the end of this structure because we need
+	 * to be able to expand sigcontext in the future.  For example, the
+	 * vector ISA extension will almost certainly add ISA state.  We want
+	 * to ensure all user-visible ISA state can be saved and restored via a
+	 * ucontext, so we're putting this at the end in order to allow for
+	 * infinite extensibility.  Since we know this will be extended and we
+	 * assume sigset_t won't be extended an extreme amount, we're
+	 * prioritizing this. */
+	struct sigcontext	uc_mcontext;
+};
+
+#endif /* __LOONGARCH_UAPI_ASM_UCONTEXT_H */
diff --git a/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/unistd.h b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/unistd.h
new file mode 100644
index 0000000000000000000000000000000000000000..c0b9c5eda7c252c2e7831fcc27ca269efc540b14
--- /dev/null
+++ b/linux-6.6/prebuilts/usr/include/asm-loongarch/asm/unistd.h
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_CLONE3
+#define __ARCH_WANT_NEW_STAT
+
+#include <asm-generic/unistd.h>
diff --git a/linux-6.6/prebuilts/usr/include/linux/audit.h b/linux-6.6/prebuilts/usr/include/linux/audit.h
index 2c18e0795b1276f071f5c72e7af83b6b40cc8709..78059e2cf9bfa4c76a0fc453b6ea0f099c3a7d5f 100644
--- a/linux-6.6/prebuilts/usr/include/linux/audit.h
+++ b/linux-6.6/prebuilts/usr/include/linux/audit.h
@@ -318,6 +318,8 @@ enum {
 #define AUDIT_ARCH_UNICORE (EM_UNICORE | __AUDIT_ARCH_LE)
 #define AUDIT_ARCH_X86_64 (EM_X86_64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE)
 #define AUDIT_ARCH_XTENSA (EM_XTENSA)
+#define AUDIT_ARCH_LOONGARCH32	(EM_LOONGARCH|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_LOONGARCH64	(EM_LOONGARCH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_PERM_EXEC 1
 #define AUDIT_PERM_WRITE 2
 #define AUDIT_PERM_READ 4
diff --git a/linux-6.6/prebuilts/usr/include/linux/elf-em.h b/linux-6.6/prebuilts/usr/include/linux/elf-em.h
index d1ed1f6ce063eb0e2872436d932361afac6f222d..18ea87150fa77c9ad22216e7743896c625b6b779 100644
--- a/linux-6.6/prebuilts/usr/include/linux/elf-em.h
+++ b/linux-6.6/prebuilts/usr/include/linux/elf-em.h
@@ -61,6 +61,7 @@
 #define EM_RISCV 243
 #define EM_BPF 247
 #define EM_CSKY 252
+#define EM_LOONGARCH	258	/* LoongArch */
 #define EM_FRV 0x5441
 #define EM_ALPHA 0x9026
 #define EM_CYGNUS_M32R 0x9041
diff --git a/linux-6.6/prebuilts/usr/include/linux/elf.h b/linux-6.6/prebuilts/usr/include/linux/elf.h
index f9f122aab9014aee799bc5ea6a834bac3ae7835e..3ecf1f8668c06fd81b03eb7e8f31b9899ee0a608 100644
--- a/linux-6.6/prebuilts/usr/include/linux/elf.h
+++ b/linux-6.6/prebuilts/usr/include/linux/elf.h
@@ -365,6 +365,13 @@ typedef struct elf64_shdr {
 #define NT_MIPS_DSP 0x800
 #define NT_MIPS_FP_MODE 0x801
 #define NT_MIPS_MSA 0x802
+#define NT_LOONGARCH_CPUCFG	0xa00	/* LoongArch CPU config registers */
+#define NT_LOONGARCH_CSR	0xa01	/* LoongArch control and status registers */
+#define NT_LOONGARCH_LSX	0xa02	/* LoongArch Loongson SIMD Extension registers */
+#define NT_LOONGARCH_LASX	0xa03	/* LoongArch Loongson Advanced SIMD Extension registers */
+#define NT_LOONGARCH_LBT	0xa04	/* LoongArch Loongson Binary Translation registers */
+#define NT_LOONGARCH_HW_BREAK	0xa05   /* LoongArch hardware breakpoint registers */
+#define NT_LOONGARCH_HW_WATCH	0xa06   /* LoongArch hardware watchpoint registers */
 #define NT_GNU_PROPERTY_TYPE_0 5
 typedef struct elf32_note {
   Elf32_Word n_namesz;
diff --git a/linux-6.6/prebuilts/usr/include/linux/kexec.h b/linux-6.6/prebuilts/usr/include/linux/kexec.h
index b2dc88fb4bfd8c300e5a2cb03c17c6f30b244013..91f845abdb898578ec2459a75c6865358d2a9733 100644
--- a/linux-6.6/prebuilts/usr/include/linux/kexec.h
+++ b/linux-6.6/prebuilts/usr/include/linux/kexec.h
@@ -39,6 +39,7 @@
 #define KEXEC_ARCH_MIPS_LE (10 << 16)
 #define KEXEC_ARCH_MIPS (8 << 16)
 #define KEXEC_ARCH_AARCH64 (183 << 16)
+#define KEXEC_ARCH_LOONGARCH	(258 << 16)
 #define KEXEC_SEGMENT_MAX 16
 struct kexec_segment {
   const void * buf;
diff --git a/linux-6.6/prebuilts/usr/include/linux/kvm.h b/linux-6.6/prebuilts/usr/include/linux/kvm.h
index a5bc1f2cb53ed9cfd3dd778ee80ca500ae90adbd..8e40db4cda96050cf5d0516164b48bd34ba4005f 100644
--- a/linux-6.6/prebuilts/usr/include/linux/kvm.h
+++ b/linux-6.6/prebuilts/usr/include/linux/kvm.h
@@ -197,6 +197,7 @@ struct kvm_hyperv_exit {
 #define KVM_EXIT_ARM_NISV 28
 #define KVM_EXIT_X86_RDMSR 29
 #define KVM_EXIT_X86_WRMSR 30
+#define KVM_EXIT_LOONGARCH_IOCSR  38
 #define KVM_INTERNAL_ERROR_EMULATION 1
 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
@@ -245,6 +246,13 @@ struct kvm_run {
       __u32 len;
       __u8 is_write;
     } mmio;
+    /* KVM_EXIT_LOONGARCH_IOCSR */
+    struct {
+      __u64 phys_addr;
+      __u8  data[8];
+      __u32 len;
+      __u8  is_write;
+    } iocsr_io;
     struct {
       __u64 nr;
       __u64 args[6];
@@ -938,6 +946,7 @@ struct kvm_dirty_tlb {
 #define KVM_REG_ARM64 0x6000000000000000ULL
 #define KVM_REG_MIPS 0x7000000000000000ULL
 #define KVM_REG_RISCV 0x8000000000000000ULL
+#define KVM_REG_LOONGARCH 0x9000000000000000ULL
 #define KVM_REG_SIZE_SHIFT 52
 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
 #define KVM_REG_SIZE_U8 0x0000000000000000ULL