新增VirtIO网卡驱动 (#194)

* 修复内存bug与grub安装脚本的错误

* 修改小bug

* PCI增加功能与virtio-net驱动

* little fix

* virtio-net小修改

Author: YJwu2023

.vscode/settings.json

@@ -169,7 +169,8 @@
         "acpi.h": "c",
         "assert.h": "c",
         "sys_version.h": "c",
-        "cmd.h": "c"
+        "cmd.h": "c",
+        "net.h": "c"
     },
     "C_Cpp.errorSquiggles": "Enabled",
     "esbonio.sphinx.confDir": "",

kernel/Cargo.toml

@@ -11,6 +11,8 @@ crate-type = ["staticlib"]
 # 运行时依赖项
 [dependencies]
 x86_64 = "0.14.10"
+virtio-drivers = "0.2.0"
+bitflags = "1.3"
 
 # 构建时依赖项
 [build-dependencies]
@@ -22,3 +24,4 @@ version = "1.4.0"
 features = ["spin_no_std"]
 
 
+

kernel/src/arch/x86_64/x86_64_pci.c

@@ -1,7 +1,7 @@
 
 CFLAGS += -I .
 
-kernel_driver_subdirs:=video interrupt usb pci acpi disk keyboard mouse multiboot2 timers tty hid
+kernel_driver_subdirs:=video interrupt usb pci acpi disk keyboard mouse multiboot2 timers tty hid virtio
 
 ECHO:
 	@echo "$@"
@@ -14,4 +14,4 @@ all: $(kernel_driver_subdirs)
 
 
 clean:
-	echo "Done."
+	echo "Done."

kernel/src/arch/x86_64/x86_64_pci.h

@@ -1,2 +1,4 @@
+pub mod pci;
 pub mod timers;
 pub mod uart;
+pub mod virtio;

kernel/src/driver/Makefile

@@ -0,0 +1 @@
+pub mod pci;

kernel/src/driver/mod.rs

@@ -71,7 +71,7 @@ static __always_inline struct pci_msi_cap_t __msi_read_cap_list(struct msi_desc_
 }
 
 /**
- * @brief 映射设备的msix表
+ * @brief 映射设备的msix表  //MSIX表不再单独映射(To do)
  *
  * @param pci_dev pci设备信息结构体
  * @param msix_cap msix capability list的结构体