From a53d089f4b87396a11b5dcf471711b4b7981ffe0 Mon Sep 17 00:00:00 2001
From: buhenxihuan <1127751018@qq.com>
Date: Wed, 15 Oct 2025 11:24:52 +0800
Subject: [PATCH 1/4] feat(vmm): Adjust memory mapping types and optimize
 passthrough device configuration parsing

- In `linux-aarch64-a1000-smp8.toml` and `linux-aarch64-rk3588-smp8.toml`,

Changed the mapping type of `memory_regions` and removed some redundant `passthrough_devices` configurations.

- Added `VmMemMappingType::MapReserved` branch processing logic to support mapping memory regions with the same physical address.

- Refactored the `parse_passthrough_devices_address` function to prioritize the device address preset in the configuration file.

If not set, it will fall back to parsing from the device tree, improving flexibility and compatibility.

- Added debug logging to facilitate tracking of passthrough device parsing results.
---
 configs/vms/linux-aarch64-a1000-smp8.toml  |   4 +-
 configs/vms/linux-aarch64-rk3588-smp8.toml |  10 +-
 src/vmm/config.rs                          |   5 +
 src/vmm/fdt/parser.rs                      | 127 ++++++++++++---------
 4 files changed, 83 insertions(+), 63 deletions(-)

diff --git a/configs/vms/linux-aarch64-a1000-smp8.toml b/configs/vms/linux-aarch64-a1000-smp8.toml
index f9767d4..6fabb10 100644
--- a/configs/vms/linux-aarch64-a1000-smp8.toml
+++ b/configs/vms/linux-aarch64-a1000-smp8.toml
@@ -34,7 +34,8 @@ dtb_path = "/path/to/dtb"
 # Memory regions with format (`base_paddr`, `size`, `flags`, `map_type`).
 # For `map_type`, 0 means `MAP_ALLOC`, 1 means `MAP_IDENTICAL`.
 memory_regions = [
-  [0x8000_0000, 0x2000_0000, 0x7, 1], # System RAM 1G MAP_IDENTICAL
+  [0x1_ce80_0000, 0x2000_0000, 0x7, 1], # System RAM 1G MAP_IDENTICAL
+  [0x8000_0000, 0x7000_0000, 0xf, 2],
 ]
 #
 # Device specifications
@@ -50,7 +51,6 @@ emu_devices = []
 # Name Base-Ipa Base-Pa Length Alloc-Irq.
 passthrough_devices = [
 ["most-devices", 0x0, 0x0, 0x8000_0000, 0x1],
-["memory", 0x8000_0000, 0x8000_0000, 0x7000_0000, 0x1]
 ]
 excluded_devices = [
    # ["/gic-v3"],
diff --git a/configs/vms/linux-aarch64-rk3588-smp8.toml b/configs/vms/linux-aarch64-rk3588-smp8.toml
index bc34412..d467618 100644
--- a/configs/vms/linux-aarch64-rk3588-smp8.toml
+++ b/configs/vms/linux-aarch64-rk3588-smp8.toml
@@ -50,7 +50,8 @@ dtb_path = "/path/to/dtb"
 # For `map_type`, 0 means `MAP_ALLOC`, 1 means `MAP_IDENTICAL`.
 memory_regions = [
     [0x940_0000, 0xd550_0000, 0x7, 1], # ram 3G MAP_IDENTICAL
-    [0x920_0000, 0x2000, 0x7, 1]
+    [0x920_0000, 0x2000, 0xf, 2]
+    
 ]
 
 #
@@ -108,13 +109,6 @@ passthrough_devices = [
         0x10_f000,
         0x17,
     ],
-    [
-        "device",
-        0x920_0000,
-        0x920_0000,
-        0x2000,
-        0x17,
-    ],
 ]
 
 excluded_devices = [
diff --git a/src/vmm/config.rs b/src/vmm/config.rs
index c74c6d2..8894c94 100644
--- a/src/vmm/config.rs
+++ b/src/vmm/config.rs
@@ -155,6 +155,11 @@ fn vm_alloc_memorys(vm_create_config: &AxVMCrateConfig, vm: &VM) {
                 vm.alloc_memory_region(Layout::from_size_align(memory.size, ALIGN).unwrap(), None)
                     .expect("Failed to allocate memory region for VM");
             }
+            VmMemMappingType::MapReserved => {
+                info!("VM[{}] map same region: {:#x?}", vm.id(), memory);
+                let layout = Layout::from_size_align(memory.size, ALIGN).unwrap();
+                vm.map_reserved_memory_region(layout, Some(GuestPhysAddr::from(memory.gpa))).expect("Failed to map memory region for VM");
+            }
         }
     }
 }
diff --git a/src/vmm/fdt/parser.rs b/src/vmm/fdt/parser.rs
index 859b810..7edbf2b 100644
--- a/src/vmm/fdt/parser.rs
+++ b/src/vmm/fdt/parser.rs
@@ -218,70 +218,91 @@ fn add_pci_ranges_config(vm_cfg: &mut AxVMConfig, node_name: &str, range: &PciRa
 }
 
 pub fn parse_passthrough_devices_address(vm_cfg: &mut AxVMConfig, dtb: &[u8]) {
-    let fdt = Fdt::from_bytes(dtb)
-        .expect("Failed to parse DTB image, perhaps the DTB is invalid or corrupted");
+    let devices = vm_cfg.pass_through_devices().to_vec();
+    if !devices.is_empty() && devices[0].length != 0  {
+        for (index, device) in devices.iter().enumerate() {
+            add_device_address_config(
+                vm_cfg,
+                &device.name,
+                device.base_gpa,
+                device.length,
+                index,
+                None,
+            );
+        }
+    } else {
+        let fdt = Fdt::from_bytes(dtb)
+            .expect("Failed to parse DTB image, perhaps the DTB is invalid or corrupted");
 
-    // Clear existing passthrough device configurations
-    vm_cfg.clear_pass_through_devices();
+        // Clear existing passthrough device configurations
+        vm_cfg.clear_pass_through_devices();
 
-    // Traverse all device tree nodes
-    for node in fdt.all_nodes() {
-        // Skip root node
-        if node.name() == "/" || node.name().starts_with("memory") {
-            continue;
-        }
+        // Traverse all device tree nodes
+        for node in fdt.all_nodes() {
+            // Skip root node
+            if node.name() == "/" || node.name().starts_with("memory") {
+                continue;
+            }
 
-        let node_name = node.name().to_string();
+            let node_name = node.name().to_string();
 
-        // Check if it's a PCIe device node
-        if node_name.starts_with("pcie@") || node_name.contains("pci") {
-            // Process PCIe device's ranges property
-            if let Some(pci) = node.clone().into_pci()
-                && let Ok(ranges) = pci.ranges()
-            {
-                for (index, range) in ranges.enumerate() {
-                    add_pci_ranges_config(vm_cfg, &node_name, &range, index);
+            // Check if it's a PCIe device node
+            if node_name.starts_with("pcie@") || node_name.contains("pci") {
+                // Process PCIe device's ranges property
+                if let Some(pci) = node.clone().into_pci()
+                    && let Ok(ranges) = pci.ranges()
+                {
+                    for (index, range) in ranges.enumerate() {
+                        add_pci_ranges_config(vm_cfg, &node_name, &range, index);
+                    }
                 }
-            }
 
-            // Process PCIe device's reg property (ECAM space)
-            if let Some(reg_iter) = node.reg() {
-                for (index, reg) in reg_iter.enumerate() {
-                    let base_address = reg.address as usize;
-                    let size = reg.size.unwrap_or(0);
-
-                    add_device_address_config(
-                        vm_cfg,
-                        &node_name,
-                        base_address,
-                        size,
-                        index,
-                        Some("ecam"),
-                    );
+                // Process PCIe device's reg property (ECAM space)
+                if let Some(reg_iter) = node.reg() {
+                    for (index, reg) in reg_iter.enumerate() {
+                        let base_address = reg.address as usize;
+                        let size = reg.size.unwrap_or(0);
+
+                        add_device_address_config(
+                            vm_cfg,
+                            &node_name,
+                            base_address,
+                            size,
+                            index,
+                            Some("ecam"),
+                        );
+                    }
                 }
-            }
-        } else {
-            // Get device's reg property (process regular devices)
-            if let Some(reg_iter) = node.reg() {
-                // Process all address segments of the device
-                for (index, reg) in reg_iter.enumerate() {
-                    // Get device's address and size information
-                    let base_address = reg.address as usize;
-                    let size = reg.size.unwrap_or(0);
-
-                    add_device_address_config(vm_cfg, &node_name, base_address, size, index, None);
+            } else {
+                // Get device's reg property (process regular devices)
+                if let Some(reg_iter) = node.reg() {
+                    // Process all address segments of the device
+                    for (index, reg) in reg_iter.enumerate() {
+                        // Get device's address and size information
+                        let base_address = reg.address as usize;
+                        let size = reg.size.unwrap_or(0);
+
+                        add_device_address_config(
+                            vm_cfg,
+                            &node_name,
+                            base_address,
+                            size,
+                            index,
+                            None,
+                        );
+                    }
                 }
             }
         }
+        trace!(
+            "All passthrough devices: {:#x?}",
+            vm_cfg.pass_through_devices()
+        );
+        debug!(
+            "Finished parsing passthrough devices, total: {}",
+            vm_cfg.pass_through_devices().len()
+        );
     }
-    trace!(
-        "All passthrough devices: {:#x?}",
-        vm_cfg.pass_through_devices()
-    );
-    debug!(
-        "Finished parsing passthrough devices, total: {}",
-        vm_cfg.pass_through_devices().len()
-    );
 }
 
 pub fn parse_vm_interrupt(vm_cfg: &mut AxVMConfig, dtb: &[u8]) {

From cf0f7dde1b7a581e0a042408af354712d56b9c8f Mon Sep 17 00:00:00 2001
From: buhenxihuan <1127751018@qq.com>
Date: Wed, 15 Oct 2025 13:58:07 +0800
Subject: [PATCH 2/4] fmt: code fmt

---
 src/vmm/config.rs     | 3 ++-
 src/vmm/fdt/parser.rs | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/vmm/config.rs b/src/vmm/config.rs
index 8894c94..665fed8 100644
--- a/src/vmm/config.rs
+++ b/src/vmm/config.rs
@@ -158,7 +158,8 @@ fn vm_alloc_memorys(vm_create_config: &AxVMCrateConfig, vm: &VM) {
             VmMemMappingType::MapReserved => {
                 info!("VM[{}] map same region: {:#x?}", vm.id(), memory);
                 let layout = Layout::from_size_align(memory.size, ALIGN).unwrap();
-                vm.map_reserved_memory_region(layout, Some(GuestPhysAddr::from(memory.gpa))).expect("Failed to map memory region for VM");
+                vm.map_reserved_memory_region(layout, Some(GuestPhysAddr::from(memory.gpa)))
+                    .expect("Failed to map memory region for VM");
             }
         }
     }
diff --git a/src/vmm/fdt/parser.rs b/src/vmm/fdt/parser.rs
index 7edbf2b..261da96 100644
--- a/src/vmm/fdt/parser.rs
+++ b/src/vmm/fdt/parser.rs
@@ -219,7 +219,7 @@ fn add_pci_ranges_config(vm_cfg: &mut AxVMConfig, node_name: &str, range: &PciRa
 
 pub fn parse_passthrough_devices_address(vm_cfg: &mut AxVMConfig, dtb: &[u8]) {
     let devices = vm_cfg.pass_through_devices().to_vec();
-    if !devices.is_empty() && devices[0].length != 0  {
+    if !devices.is_empty() && devices[0].length != 0 {
         for (index, device) in devices.iter().enumerate() {
             add_device_address_config(
                 vm_cfg,

From 1b9a53f85830ef5efc1a0f98bcb39a6b4f496910 Mon Sep 17 00:00:00 2001
From: buhenxihuan <1127751018@qq.com>
Date: Wed, 15 Oct 2025 14:59:20 +0800
Subject: [PATCH 3/4] cargo update to latest version

---
 Cargo.lock | 320 +++++++++++++++++++++--------------------------------
 1 file changed, 129 insertions(+), 191 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 25eb566..d8d8e23 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,15 +27,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a2c929f5025d9b8a0f549b187c4d3a39671f44015ff6ccddd0b134c874b3c1a"
 
-[[package]]
-name = "addr2line"
-version = "0.25.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b5d307320b3181d6d7954e663bd7c774a838b8220fe0593c86d9fb09f498b4b"
-dependencies = [
- "gimli",
-]
-
 [[package]]
 name = "adler2"
 version = "2.0.1"
@@ -72,9 +63,9 @@ checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
 
 [[package]]
 name = "anstream"
-version = "0.6.20"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ae563653d1938f79b1ab1b5e668c87c76a9930414574a6583a7b7e11a8e6192"
+checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
 dependencies = [
  "anstyle",
  "anstyle-parse",
@@ -87,9 +78,9 @@ dependencies = [
 
 [[package]]
 name = "anstyle"
-version = "1.0.11"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "862ed96ca487e809f1c8e5a8447f6ee2cf102f846893800b20cebdf541fc6bbd"
+checksum = "5192cca8006f1fd4f7237516f40fa183bb07f8fbdfedaa0036de5ea9b0b45e78"
 
 [[package]]
 name = "anstyle-parse"
@@ -635,7 +626,7 @@ dependencies = [
 [[package]]
 name = "axklib"
 version = "0.2.0"
-source = "git+https://github.com/arceos-hypervisor/arceos.git?branch=hypervisor#6fad0ff0aed9be8c75223f69bbf127a6675e933d"
+source = "git+https://github.com/arceos-hypervisor/arceos.git?branch=hypervisor#3b81289f520e33a75b489963649f0d6c2c46a9a9"
 dependencies = [
  "axerrno",
  "memory_addr",
@@ -1040,7 +1031,7 @@ dependencies = [
  "spin 0.9.8",
  "syn 2.0.106",
  "timer_list",
- "toml 0.9.7",
+ "toml 0.9.8",
  "vm-fdt",
 ]
 
@@ -1071,7 +1062,7 @@ dependencies = [
 [[package]]
 name = "axvm"
 version = "0.1.0"
-source = "git+https://github.com/arceos-hypervisor/axvm.git?branch=next#62dc1461bc8dff5d22264962da4d2f86ded915f8"
+source = "git+https://github.com/arceos-hypervisor/axvm.git?branch=next#a5b6c0319673cd0eb037ed67449511d321d66aa3"
 dependencies = [
  "arm_vcpu",
  "arm_vgic 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1096,29 +1087,14 @@ dependencies = [
 [[package]]
 name = "axvmconfig"
 version = "0.1.0"
-source = "git+https://github.com/arceos-hypervisor/axvmconfig.git?branch=next#34c0e6473b057a697c48cc37c5b25853c1ea2826"
+source = "git+https://github.com/arceos-hypervisor/axvmconfig.git?branch=next#f8291521e9f48ff13f794cec5db35e8f77b68a89"
 dependencies = [
  "axerrno",
  "enumerable",
  "log",
  "serde",
  "serde_repr",
- "toml 0.9.7",
-]
-
-[[package]]
-name = "backtrace"
-version = "0.3.76"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb531853791a215d7c62a30daf0dde835f381ab5de4589cfe7c649d2cbe92bd6"
-dependencies = [
- "addr2line",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
- "windows-link 0.2.0",
+ "toml 0.9.8",
 ]
 
 [[package]]
@@ -1166,7 +1142,7 @@ dependencies = [
  "cargo_metadata",
  "flate2",
  "rand",
- "reqwest 0.12.23",
+ "reqwest 0.12.24",
  "tar",
 ]
 
@@ -1227,9 +1203,9 @@ dependencies = [
 
 [[package]]
 name = "bytemuck"
-version = "1.23.2"
+version = "1.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3995eaeebcdf32f91f980d360f78732ddc061097ab4e39991ae7a6ace9194677"
+checksum = "1fbdf580320f38b612e485521afda1ee26d10cc9884efaaa750d383e13e3c5f4"
 
 [[package]]
 name = "byteorder"
@@ -1245,9 +1221,9 @@ checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
 
 [[package]]
 name = "camino"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1de8bc0aa9e9385ceb3bf0c152e3a9b9544f6c4a912c8ae504e80c1f0368603"
+checksum = "276a59bf2b2c967788139340c9f0c5b12d7fd6630315c15c217e559de85d2609"
 dependencies = [
  "serde_core",
 ]
@@ -1303,9 +1279,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.39"
+version = "1.2.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1354349954c6fc9cb0deab020f27f783cf0b604e8bb754dc4658ecf0d29c35f"
+checksum = "ac9fe6cdbb24b6ade63616c0a0688e45bb56732262c158df3c0c4bea4ca47cb7"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -1328,9 +1304,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.48"
+version = "4.5.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2134bb3ea021b78629caa971416385309e0131b351b25e01dc16fb54e1b5fae"
+checksum = "f4512b90fa68d3a9932cea5184017c5d200f5921df706d45e853537dea51508f"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -1338,9 +1314,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.48"
+version = "4.5.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2ba64afa3c0a6df7fa517765e31314e983f51dda798ffba27b988194fb65dc9"
+checksum = "0025e98baa12e766c67ba13ff4695a887a1eba19569aad00a472546795bd6730"
 dependencies = [
  "anstream",
  "anstyle",
@@ -1350,9 +1326,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.47"
+version = "4.5.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbfd7eae0b0f1a6e63d4b13c9c478de77c2eb546fba158ad50b4203dc24b9f9c"
+checksum = "2a0b5487afeab2deb2ff4e03a807ad1a03ac532ff5a2cee5d86884440c7f7671"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -1362,9 +1338,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.7.5"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675"
+checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "colorchoice"
@@ -1619,7 +1595,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.1",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1639,9 +1615,9 @@ dependencies = [
 
 [[package]]
 name = "fdt-parser"
-version = "0.4.17"
+version = "0.4.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16ca123a5721e4a28ef60d6e1600cd0a33a9ab376c4b88de04c99bce757e458b"
+checksum = "1f95f0bda5ff920492f6573294d8e3a99b75ee2e5ef93ab313fc6d517fa46785"
 
 [[package]]
 name = "filetime"
@@ -1657,15 +1633,15 @@ dependencies = [
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ced73b1dacfc750a6db6c0a0c3a3853c8b41997e2e2c563dc90804ae6867959"
+checksum = "52051878f80a721bb68ebfbc930e07b65ba72f2da88968ea5c06fd6ca3d3a127"
 
 [[package]]
 name = "flate2"
-version = "1.1.2"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
+checksum = "dc5a4e564e38c699f2880d3fda590bedc2e69f3f84cd48b457bd892ce61d0aa9"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -1798,27 +1774,21 @@ checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.1+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "getrandom"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
 dependencies = [
  "cfg-if",
  "libc",
  "r-efi",
- "wasi 0.14.7+wasi-0.2.4",
+ "wasip2",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.32.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
-
 [[package]]
 name = "h2"
 version = "0.3.27"
@@ -2091,7 +2061,7 @@ dependencies = [
  "libc",
  "percent-encoding",
  "pin-project-lite",
- "socket2 0.6.0",
+ "socket2 0.6.1",
  "system-configuration 0.6.1",
  "tokio",
  "tower-service",
@@ -2228,17 +2198,6 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6045ea39e8d2862506c0dff6c65d068da362335df698bb1634033492740d2170"
 
-[[package]]
-name = "io-uring"
-version = "0.7.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "046fa2d4d00aea763528b4950358d0ead425372445dc8ff86312b3c69ff7727b"
-dependencies = [
- "bitflags 2.9.4",
- "cfg-if",
- "libc",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.11.0"
@@ -2367,9 +2326,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.176"
+version = "0.2.177"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
+checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
 
 [[package]]
 name = "libredox"
@@ -2422,11 +2381,10 @@ checksum = "241eaef5fd12c88705a01fc1066c48c4b36e0dd4377dcdc7ec3942cea7a69956"
 
 [[package]]
 name = "lock_api"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765"
+checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
 dependencies = [
- "autocfg",
  "scopeguard",
 ]
 
@@ -2489,6 +2447,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
 dependencies = [
  "adler2",
+ "simd-adler32",
 ]
 
 [[package]]
@@ -2498,7 +2457,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78bed444cc8a2160f01cbcf811ef18cac863ad68ae8ca62092e8db51d51c761c"
 dependencies = [
  "libc",
- "wasi 0.11.1+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys 0.59.0",
 ]
 
@@ -2561,15 +2520,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "300e4bdb6b46b592948e700ea1ef24a4296491f6a0ee722b258040abd15a3714"
 
-[[package]]
-name = "object"
-version = "0.37.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff76201f031d8863c38aa7f905eca4f53abbfa15f609db4277d44cd8938f33fe"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.21.3"
@@ -2675,9 +2625,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.12.4"
+version = "0.12.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70d58bf43669b5795d1576d0641cfb6fbb2057bf629506267a92807158584a13"
+checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a"
 dependencies = [
  "lock_api",
  "parking_lot_core",
@@ -2685,15 +2635,15 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.11"
+version = "0.9.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc838d2a56b5b1a6c25f55575dfc605fabb63bb2365f6c2353ef9159aa69e4a5"
+checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
 dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-targets 0.52.6",
+ "windows-link 0.2.1",
 ]
 
 [[package]]
@@ -2870,7 +2820,7 @@ version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "219cb19e96be00ab2e37d6e299658a0cfa83e52429179969b0f0121b4ac46983"
 dependencies = [
- "toml_edit 0.23.6",
+ "toml_edit 0.23.7",
 ]
 
 [[package]]
@@ -2923,7 +2873,7 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
 dependencies = [
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
 ]
 
 [[package]]
@@ -3046,9 +2996,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.5.17"
+version = "0.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5407465600fb0548f1442edf71dd20683c6ed326200ace4b1ef0763521bb3b77"
+checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d"
 dependencies = [
  "bitflags 2.9.4",
 ]
@@ -3111,9 +3061,9 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.12.23"
+version = "0.12.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d429f34c8092b2d42c7c93cec323bb4adeb7c67698f70839adec842ec10c7ceb"
+checksum = "9d0946410b9f7b082a427e4ef5c8ff541a88b357bc6c637c40db3a68ac70a36f"
 dependencies = [
  "base64 0.22.1",
  "bytes",
@@ -3267,20 +3217,14 @@ dependencies = [
 
 [[package]]
 name = "rust_decimal"
-version = "1.38.0"
+version = "1.39.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8975fc98059f365204d635119cf9c5a60ae67b841ed49b5422a9a7e56cdfac0"
+checksum = "35affe401787a9bd846712274d97654355d21b2a2c092a3139aabe31e9022282"
 dependencies = [
  "arrayvec",
  "num-traits",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56f7d92ca342cea22a06f2121d944b4fd82af56988c270852495420f961d4ace"
-
 [[package]]
 name = "rustix"
 version = "1.1.2"
@@ -3291,7 +3235,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.1",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3327,9 +3271,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-webpki"
-version = "0.103.6"
+version = "0.103.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8572f3c2cb9934231157b45499fc41e1f58c589fdfb81a844ba873265e80f8eb"
+checksum = "e10b3f4191e8a80e6b43eebabfac91e5dcecebb27a71f04e820c47ec41d314bf"
 dependencies = [
  "ring",
  "rustls-pki-types",
@@ -3391,7 +3335,7 @@ version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "891d81b926048e76efe18581bf793546b4c0eaf8448d72be8de2bbee5fd166e1"
 dependencies = [
- "windows-sys 0.61.1",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3539,9 +3483,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5417783452c2be558477e104686f7de5dae53dba813c28435e0e70f82d9b04ee"
+checksum = "e24345aa0fe688594e73770a5f6d1b216508b4f93484c0026d521acd30134392"
 dependencies = [
  "serde_core",
 ]
@@ -3573,6 +3517,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "slab"
 version = "0.4.11"
@@ -3606,12 +3556,12 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233504af464074f9d066d7b5416c5f9b894a5862a6506e306f7b816cdd6f1807"
+checksum = "17129e116933cf371d018bb80ae557e889637989d8638274fb25622827b03881"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -3639,7 +3589,7 @@ dependencies = [
  "serde",
  "smccc",
  "spin 0.10.0",
- "toml 0.9.7",
+ "toml 0.9.8",
  "url",
 ]
 
@@ -3672,9 +3622,9 @@ dependencies = [
 
 [[package]]
 name = "stable_deref_trait"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
 
 [[package]]
 name = "static_assertions"
@@ -3815,10 +3765,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
 dependencies = [
  "fastrand",
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.61.1",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3897,29 +3847,26 @@ checksum = "b0293f99756f16ff352cc78c99673766a305bdb5ed7652e78df649e9967c885a"
 
 [[package]]
 name = "tokio"
-version = "1.47.1"
+version = "1.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89e49afdadebb872d3145a5638b59eb0691ea23e46ca484037cfab3b76b95038"
+checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
 dependencies = [
- "backtrace",
  "bytes",
- "io-uring",
  "libc",
  "mio",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "slab",
- "socket2 0.6.0",
+ "socket2 0.6.1",
  "tokio-macros",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
+checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3973,14 +3920,14 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.9.7"
+version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00e5e5d9bf2475ac9d4f0d9edab68cc573dc2fd644b0dba36b0c30a92dd9eaa0"
+checksum = "f0dc8b1fb61449e27716ec0e1bdf0f6b8f3e8f6b05391e8497b8b6d7804ea6d8"
 dependencies = [
  "indexmap",
  "serde_core",
- "serde_spanned 1.0.2",
- "toml_datetime 0.7.2",
+ "serde_spanned 1.0.3",
+ "toml_datetime 0.7.3",
  "toml_parser",
  "toml_writer",
  "winnow",
@@ -3997,9 +3944,9 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32f1085dec27c2b6632b04c80b3bb1b4300d6495d1e129693bdda7d91e72eec1"
+checksum = "f2cdb639ebbc97961c51720f858597f7f24c4fc295327923af55b74c3c724533"
 dependencies = [
  "serde_core",
 ]
@@ -4020,21 +3967,21 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.23.6"
+version = "0.23.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3effe7c0e86fdff4f69cdd2ccc1b96f933e24811c5441d44904e8683e27184b"
+checksum = "6485ef6d0d9b5d0ec17244ff7eb05310113c3f316f2d14200d4de56b3cb98f8d"
 dependencies = [
  "indexmap",
- "toml_datetime 0.7.2",
+ "toml_datetime 0.7.3",
  "toml_parser",
  "winnow",
 ]
 
 [[package]]
 name = "toml_parser"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cf893c33be71572e0e9aa6dd15e6677937abd686b066eac3f8cd3531688a627"
+checksum = "c0cbe268d35bdb4bb5a56a2de88d0ad0eb70af5384a99d648cd4b3d04039800e"
 dependencies = [
  "winnow",
 ]
@@ -4047,9 +3994,9 @@ checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
 [[package]]
 name = "toml_writer"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d163a63c116ce562a22cda521fcc4d79152e7aba014456fb5eb442f6d6a10109"
+checksum = "df8b2b54733674ad286d16267dcfc7a71ed5c776e4ac7aa3c3e2561f7c637bf2"
 
 [[package]]
 name = "tower"
@@ -4263,15 +4210,6 @@ version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
-[[package]]
-name = "wasi"
-version = "0.14.7+wasi-0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "883478de20367e224c0090af9cf5f9fa85bed63a95c1abf3afc5c083ebc06e8c"
-dependencies = [
- "wasip2",
-]
-
 [[package]]
 name = "wasip2"
 version = "1.0.1+wasi-0.2.4"
@@ -4371,9 +4309,9 @@ checksum = "5e6ad25900d524eaabdbbb96d20b4311e1e7ae1699af4fb28c17ae66c80d798a"
 
 [[package]]
 name = "windows-link"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45e46c0661abb7180e7b9c281db115305d49ca1709ab8242adf09666d2173c65"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
 [[package]]
 name = "windows-registry"
@@ -4437,16 +4375,16 @@ version = "0.60.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
 dependencies = [
- "windows-targets 0.53.4",
+ "windows-targets 0.53.5",
 ]
 
 [[package]]
 name = "windows-sys"
-version = "0.61.1"
+version = "0.61.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f109e41dd4a3c848907eb83d5a42ea98b3769495597450cf6d153507b166f0f"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
 dependencies = [
- "windows-link 0.2.0",
+ "windows-link 0.2.1",
 ]
 
 [[package]]
@@ -4482,19 +4420,19 @@ dependencies = [
 
 [[package]]
 name = "windows-targets"
-version = "0.53.4"
+version = "0.53.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d42b7b7f66d2a06854650af09cfdf8713e427a439c97ad65a6375318033ac4b"
+checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
 dependencies = [
- "windows-link 0.2.0",
- "windows_aarch64_gnullvm 0.53.0",
- "windows_aarch64_msvc 0.53.0",
- "windows_i686_gnu 0.53.0",
- "windows_i686_gnullvm 0.53.0",
- "windows_i686_msvc 0.53.0",
- "windows_x86_64_gnu 0.53.0",
- "windows_x86_64_gnullvm 0.53.0",
- "windows_x86_64_msvc 0.53.0",
+ "windows-link 0.2.1",
+ "windows_aarch64_gnullvm 0.53.1",
+ "windows_aarch64_msvc 0.53.1",
+ "windows_i686_gnu 0.53.1",
+ "windows_i686_gnullvm 0.53.1",
+ "windows_i686_msvc 0.53.1",
+ "windows_x86_64_gnu 0.53.1",
+ "windows_x86_64_gnullvm 0.53.1",
+ "windows_x86_64_msvc 0.53.1",
 ]
 
 [[package]]
@@ -4511,9 +4449,9 @@ checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86b8d5f90ddd19cb4a147a5fa63ca848db3df085e25fee3cc10b39b6eebae764"
+checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
 
 [[package]]
 name = "windows_aarch64_msvc"
@@ -4529,9 +4467,9 @@ checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7651a1f62a11b8cbd5e0d42526e55f2c99886c77e007179efff86c2b137e66c"
+checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
 
 [[package]]
 name = "windows_i686_gnu"
@@ -4547,9 +4485,9 @@ checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1dc67659d35f387f5f6c479dc4e28f1d4bb90ddd1a5d3da2e5d97b42d6272c3"
+checksum = "960e6da069d81e09becb0ca57a65220ddff016ff2d6af6a223cf372a506593a3"
 
 [[package]]
 name = "windows_i686_gnullvm"
@@ -4559,9 +4497,9 @@ checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
 [[package]]
 name = "windows_i686_gnullvm"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ce6ccbdedbf6d6354471319e781c0dfef054c81fbc7cf83f338a4296c0cae11"
+checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
 
 [[package]]
 name = "windows_i686_msvc"
@@ -4577,9 +4515,9 @@ checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "581fee95406bb13382d2f65cd4a908ca7b1e4c2f1917f143ba16efe98a589b5d"
+checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
 
 [[package]]
 name = "windows_x86_64_gnu"
@@ -4595,9 +4533,9 @@ checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e55b5ac9ea33f2fc1716d1742db15574fd6fc8dadc51caab1c16a3d3b4190ba"
+checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
@@ -4613,9 +4551,9 @@ checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a6e035dd0599267ce1ee132e51c27dd29437f63325753051e71dd9e42406c57"
+checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
 
 [[package]]
 name = "windows_x86_64_msvc"
@@ -4631,9 +4569,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.53.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"
+checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
 
 [[package]]
 name = "winnow"
@@ -4844,9 +4782,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.8.1"
+version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
 
 [[package]]
 name = "zerotrie"

From e7d9cec4f001956b57f2319d00dfe8c9545b7eaf Mon Sep 17 00:00:00 2001
From: buhenxihuan <1127751018@qq.com>
Date: Wed, 15 Oct 2025 16:02:31 +0800
Subject: [PATCH 4/4] update fdt guide doc

---
 doc/FDT_Configuration_Guide.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/FDT_Configuration_Guide.md b/doc/FDT_Configuration_Guide.md
index 741a9f4..bb895a5 100644
--- a/doc/FDT_Configuration_Guide.md
+++ b/doc/FDT_Configuration_Guide.md
@@ -44,7 +44,7 @@ AxVisor 会优先使用提供的设备树文件，并根据以下配置更新其
 - CPU 节点根据 [base] 部分的 `phys_cpu_ids` 更新
 - 内存节点根据 [kernel] 部分的 `memory_regions` 更新
 
-注意：当使用预定义设备树文件时，[devices] 部分的 `passthrough_devices` 和 `excluded_devices` 配置将被忽略。
+注意：当使用预定义设备树文件时，[devices] 部分的 `passthrough_devices` 中如果有规范化的[Name,Base-Ipa,Base-Pa,Length,Alloc-Irq]设备配置，则axvisor会直接按照 `passthrough_devices`中的配置给guest映射设备内存，设备树中的解析则会被忽略，只是将更改过内存和cpu的预定义设备树文件直接传给guest。
 
 ### 3.2 动态生成设备树
 
@@ -88,6 +88,7 @@ dtb_path = "tmp/linux.dtb"          # 设备树文件路径（空字符串表示
 dtb_load_addr = 0x8000_0000         # 设备树加载地址
 
 # 内存区域配置，格式为 (基地址, 大小, 标志, 映射类型)
+其中映射类型0为MAP_Alloc(由host负责，随机分配内存)，1为Map_Identical(由host负责1:1给guest映射内存，但是起始地址随机)，2为MAP_Reserved(由host负责，将host中一块标记为reserved的内存完全1:1映射给guest，起始地址和配置一致)
 memory_regions = [
   [0x8000_0000, 0x1000_0000, 0x7, 0], # 系统 RAM 1G MAP_IDENTICAL
 ]