From 56ecfa11711b09fb81a663d87b17006d7c8930ef Mon Sep 17 00:00:00 2001
From: Burkhard Mittelbach <wasabi37a@googlemail.com>
Date: Sat, 10 Jan 2026 15:20:57 +0100
Subject: [PATCH 1/4] add kernel stack address to BootInfo

---
 api/src/info.rs   | 6 ++++++
 common/src/lib.rs | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/api/src/info.rs b/api/src/info.rs
index d934c532..5f46e8cd 100644
--- a/api/src/info.rs
+++ b/api/src/info.rs
@@ -62,6 +62,10 @@ pub struct BootInfo {
     pub kernel_len: u64,
     /// Virtual address of the loaded kernel image.
     pub kernel_image_offset: u64,
+    /// Virtual address of the start of the kernel stack
+    pub kernel_stack_addr: u64,
+    /// Size of the kernel stack
+    pub kernel_stack_len: u64,
 
     #[doc(hidden)]
     pub _test_sentinel: u64,
@@ -85,6 +89,8 @@ impl BootInfo {
             kernel_addr: 0,
             kernel_len: 0,
             kernel_image_offset: 0,
+            kernel_stack_addr: 0,
+            kernel_stack_len: 0,
             _test_sentinel: 0,
         }
     }
diff --git a/common/src/lib.rs b/common/src/lib.rs
index 1ebe9aa0..94af1f70 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -415,6 +415,7 @@ where
     Mappings {
         framebuffer: framebuffer_virt_addr,
         entry_point,
+        stack_start: stack_start.start_address(),
         // Use the configured stack size, even if it's not page-aligned. However, we
         // need to align it down to the next 16-byte boundary because the System V
         // ABI requires a 16-byte stack alignment.
@@ -438,6 +439,7 @@ where
 pub struct Mappings {
     /// The entry point address of the kernel.
     pub entry_point: VirtAddr,
+    pub stack_start: VirtAddr,
     /// The (exclusive) end address of the kernel stack.
     pub stack_top: VirtAddr,
     /// Keeps track of used entries in the level 4 page table, useful for finding a free
@@ -579,6 +581,8 @@ where
         info.kernel_addr = mappings.kernel_slice_start.as_u64();
         info.kernel_len = mappings.kernel_slice_len as _;
         info.kernel_image_offset = mappings.kernel_image_offset.as_u64();
+        info.kernel_stack_addr = mappings.stack_start.as_u64();
+        info.kernel_stack_len = config.kernel_stack_size;
         info._test_sentinel = boot_config._test_sentinel;
         info
     });

From e9bd0e936630bd45f6f77bc9ba026a70604226a0 Mon Sep 17 00:00:00 2001
From: Burkhard Mittelbach <wasabi37a@googlemail.com>
Date: Sat, 10 Jan 2026 17:46:25 +0100
Subject: [PATCH 2/4] review changes

---
 Cargo.lock                                    | 501 ++++++++++--------
 Cargo.toml                                    |   1 +
 api/src/info.rs                               |   6 +-
 common/src/lib.rs                             |   6 +-
 tests/stack_address.rs                        |   6 +
 tests/test_kernels/Cargo.lock                 |   9 +
 tests/test_kernels/Cargo.toml                 |   1 +
 tests/test_kernels/stack_address/Cargo.toml   |  11 +
 .../stack_address/src/bin/basic_boot.rs       |  30 ++
 tests/test_kernels/stack_address/src/lib.rs   |  37 ++
 10 files changed, 377 insertions(+), 231 deletions(-)
 create mode 100644 tests/stack_address.rs
 create mode 100644 tests/test_kernels/stack_address/Cargo.toml
 create mode 100644 tests/test_kernels/stack_address/src/bin/basic_boot.rs
 create mode 100644 tests/test_kernels/stack_address/src/lib.rs

diff --git a/Cargo.lock b/Cargo.lock
index ebd038e9..5da4e456 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 4
 
 [[package]]
 name = "anyhow"
-version = "1.0.71"
+version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
+checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
 [[package]]
 name = "arrayvec"
@@ -16,19 +16,13 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "atomic-polyfill"
-version = "0.1.11"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3ff7eb3f316534d83a8a2c3d1674ace8a5a71198eba31e2e2b597833f699b28"
+checksum = "8cf2bce30dfe09ef0bfaef228b9d414faaf7e563035494d7fe092dba54b300f4"
 dependencies = [
  "critical-section",
 ]
 
-[[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -40,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "bit_field"
-version = "0.10.2"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
+checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
 
 [[package]]
 name = "bitflags"
@@ -52,9 +46,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.3.3"
+version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
+checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
 
 [[package]]
 name = "bitvec"
@@ -90,6 +84,7 @@ dependencies = [
  "test_kernel_min_stack",
  "test_kernel_pie",
  "test_kernel_ramdisk",
+ "test_kernel_stack_address",
  "test_kernel_write_usable_memory",
 ]
 
@@ -137,7 +132,7 @@ dependencies = [
  "rsdp",
  "serde-json-core",
  "usize_conversions",
- "x86_64 0.15.2",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -155,7 +150,7 @@ dependencies = [
  "spinning_top",
  "uart_16550 0.3.2",
  "usize_conversions",
- "x86_64 0.15.2",
+ "x86_64 0.15.4",
  "xmas-elf",
 ]
 
@@ -169,7 +164,7 @@ dependencies = [
  "log",
  "serde-json-core",
  "uefi",
- "x86_64 0.15.2",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -189,22 +184,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "byteorder"
-version = "1.4.3"
+name = "bumpalo"
+version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
 
 [[package]]
-name = "cc"
-version = "1.0.79"
+name = "byteorder"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "cfg-if"
-version = "1.0.0"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "conquer-once"
@@ -221,56 +216,48 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e763eef8846b13b380f37dfecda401770b0ca4e56e95170237bd7c25c7db3582"
 
+[[package]]
+name = "const_fn"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f8a2ca5ac02d09563609681103aada9e1777d54fc57a5acd7a41404f9c93b6e"
+
 [[package]]
 name = "crc"
-version = "3.0.1"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86ec7a15cbe22e59248fc7eadb1907dab5ba09372595da4d73dd805ed4417dfe"
+checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
 dependencies = [
  "crc-catalog",
 ]
 
 [[package]]
 name = "crc-catalog"
-version = "2.2.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cace84e55f07e7301bae1c519df89cdad8cc3cd868413d3fdbdeca9ff3db484"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
 
 [[package]]
 name = "critical-section"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6548a0ad5d2549e111e1f6a11a6c2e2d00ce6a3dafe22948d67c2b443f775e52"
+checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
 
 [[package]]
 name = "errno"
-version = "0.3.1"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
+checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
- "errno-dragonfly",
  "libc",
  "windows-sys",
 ]
 
-[[package]]
-name = "errno-dragonfly"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
-dependencies = [
- "cc",
- "libc",
-]
-
 [[package]]
 name = "fastrand"
-version = "1.9.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
-dependencies = [
- "instant",
-]
+checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
 [[package]]
 name = "fatfs"
@@ -291,22 +278,34 @@ checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
 dependencies = [
  "cfg-if",
  "libc",
  "wasi",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+]
+
 [[package]]
 name = "gpt"
 version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8283e7331b8c93b9756e0cfdbcfb90312852f953c6faf9bf741e684cc3b6ad69"
 dependencies = [
- "bitflags 2.3.3",
+ "bitflags 2.10.0",
  "crc",
  "log",
  "uuid",
@@ -323,9 +322,9 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.7.16"
+version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
+checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
 dependencies = [
  "atomic-polyfill",
  "hash32",
@@ -335,48 +334,32 @@ dependencies = [
 ]
 
 [[package]]
-name = "hermit-abi"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
-
-[[package]]
-name = "instant"
-version = "0.1.12"
+name = "itoa"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
-dependencies = [
- "cfg-if",
-]
+checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
 
 [[package]]
-name = "io-lifetimes"
-version = "1.0.11"
+name = "js-sys"
+version = "0.3.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+checksum = "464a3709c7f55f1f721e5389aa6ea4e3bc6aba669353300af094b29ffbdde1d8"
 dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys",
+ "once_cell",
+ "wasm-bindgen",
 ]
 
-[[package]]
-name = "itoa"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b02a5381cc465bd3041d84623d0fa3b66738b52b8e2fc3bab8ad63ab032f4a"
-
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.8"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
 
 [[package]]
 name = "llvm-tools"
@@ -386,19 +369,18 @@ checksum = "955be5d0ca0465caf127165acb47964f911e2bc26073e865deb8be7189302faf"
 
 [[package]]
 name = "lock_api"
-version = "0.4.10"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1cc9717a20b1bb222f333e6a92fd32f7d8a18ddc5a3191a11af45dcbf4dcd16"
+checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
 dependencies = [
- "autocfg",
  "scopeguard",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.19"
+version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
+checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "mbr-nostd"
@@ -411,9 +393,9 @@ dependencies = [
 
 [[package]]
 name = "mbrman"
-version = "0.5.2"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c487024623ae38584610237dd1be8932bb2b324474b23c37a25f9fbe6bf5e9e"
+checksum = "b1fc3bff63c208d4a14301c6cb807af2d1a0760052584ce3f9a737b55fb85498"
 dependencies = [
  "bincode",
  "bitvec",
@@ -422,6 +404,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "memchr"
+version = "2.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
+
 [[package]]
 name = "noto-sans-mono-bitmap"
 version = "0.1.6"
@@ -434,6 +422,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a27daf9557165efe1d09b52f97393bf6283cadb0a76fbe64a1061e15553a994a"
 
+[[package]]
+name = "once_cell"
+version = "1.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+
 [[package]]
 name = "ovmf-prebuilt"
 version = "0.1.0-alpha.1"
@@ -442,15 +436,18 @@ checksum = "fa50141d081512ab30fd9e7e7692476866df5098b028536ad6680212e717fa8d"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.17"
+version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+dependencies = [
+ "zerocopy",
+]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
 dependencies = [
  "unicode-ident",
 ]
@@ -477,13 +474,19 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.29"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "573015e8ab27661678357f27dc26460738fd2b6c86e46f386fde94cb5d913105"
+checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
 dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
 [[package]]
 name = "radium"
 version = "0.7.0"
@@ -517,7 +520,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.16",
 ]
 
 [[package]]
@@ -538,42 +541,32 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
-dependencies = [
- "bitflags 1.3.2",
-]
-
 [[package]]
 name = "rsdp"
-version = "2.0.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66d3add2fc55ef37511bcf81a08ee7a09eff07b23aae38b06a29024a38c604b1"
+checksum = "1ed5f33bb98eace335c13cdd159fbfc73ce203b597981a76832dfbb9cbd8101b"
 dependencies = [
  "log",
 ]
 
 [[package]]
 name = "rustc_version"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
 dependencies = [
  "semver",
 ]
 
 [[package]]
 name = "rustix"
-version = "0.37.26"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84f3f8f960ed3b5a59055428714943298bf3fa2d4a1d53135084e0544829d995"
+checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
 dependencies = [
- "bitflags 1.3.2",
+ "bitflags 2.10.0",
  "errno",
- "io-lifetimes",
  "libc",
  "linux-raw-sys",
  "windows-sys",
@@ -581,77 +574,89 @@ dependencies = [
 
 [[package]]
 name = "rustversion"
-version = "1.0.13"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc31bd9b61a32c31f9650d18add92aa83a49ba979c143eefd27fe7177b05bd5f"
+checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
 [[package]]
 name = "ryu"
-version = "1.0.14"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe232bdf6be8c8de797b22184ee71118d63780ea42ac85b61d1baa6d3b782ae9"
+checksum = "a50f4cf475b65d88e057964e0e9bb1f0aa9bbb2036dc65c64596b42932536984"
 
 [[package]]
 name = "scopeguard"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "semver"
-version = "1.0.17"
+version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
+checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
 
 [[package]]
 name = "serde"
-version = "1.0.166"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d01b7404f9d441d3ad40e6a636a7782c377d2abdbe4fa2440e2edcc2f4f10db8"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
 dependencies = [
+ "serde_core",
  "serde_derive",
 ]
 
 [[package]]
 name = "serde-big-array"
-version = "0.4.1"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3323f09a748af288c3dc2474ea6803ee81f118321775bffa3ac8f7e65c5e90e7"
+checksum = "11fc7cc2c76d73e0f27ee52abbd64eec84d46f370c88371120433196934e4b7f"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "serde-json-core"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58ec3c8fe427f45ee3aaa0ebb9f0d9ab8ae9ad05d12047fe7249ae5ea9374ff0"
+checksum = "3c9e1ab533c0bc414c34920ec7e5f097101d126ed5eac1a1aac711222e0bbb33"
 dependencies = [
  "heapless",
  "ryu",
  "serde",
 ]
 
+[[package]]
+name = "serde_core"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+dependencies = [
+ "serde_derive",
+]
+
 [[package]]
 name = "serde_derive"
-version = "1.0.166"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dd83d6dde2b6b2d466e14d9d1acce8816dedee94f735eac6395808b3483c6d6"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.114",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.100"
+version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f1e14e89be7aa4c4b78bdbdc9eb5bf8517829a600ae8eaa39a6e1d960b5185c"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
  "itoa",
- "ryu",
+ "memchr",
  "serde",
+ "serde_core",
+ "zmij",
 ]
 
 [[package]]
@@ -674,9 +679,9 @@ 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 = "strip-ansi-escapes"
@@ -700,9 +705,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.23"
+version = "2.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59fb7d6d8281a51045d62b8eb3a7d1ce347b76f312af50cd3dc0af39c87c1737"
+checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -717,14 +722,13 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "tempfile"
-version = "3.6.0"
+version = "3.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
+checksum = "655da9c7eb6305c55742045d5a8d2037996d61d8de95806335c7c86ce0f82e9c"
 dependencies = [
- "autocfg",
- "cfg-if",
  "fastrand",
- "redox_syscall",
+ "getrandom 0.3.4",
+ "once_cell",
  "rustix",
  "windows-sys",
 ]
@@ -734,8 +738,8 @@ name = "test_kernel_config_file"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -743,8 +747,8 @@ name = "test_kernel_default_settings"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -752,8 +756,8 @@ name = "test_kernel_fixed_kernel_address"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -761,8 +765,8 @@ name = "test_kernel_higher_half"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -770,8 +774,8 @@ name = "test_kernel_lower_memory_free"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -779,8 +783,8 @@ name = "test_kernel_map_phys_mem"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -788,8 +792,8 @@ name = "test_kernel_min_stack"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -797,8 +801,8 @@ name = "test_kernel_pie"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -806,8 +810,17 @@ name = "test_kernel_ramdisk"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
+]
+
+[[package]]
+name = "test_kernel_stack_address"
+version = "0.1.0"
+dependencies = [
+ "bootloader_api",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
@@ -815,35 +828,35 @@ name = "test_kernel_write_usable_memory"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.18",
- "x86_64 0.15.2",
+ "uart_16550 0.2.19",
+ "x86_64 0.15.4",
 ]
 
 [[package]]
 name = "thiserror"
-version = "1.0.41"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c16a64ba9387ef3fdae4f9c1a7f07a0997fce91985c0336f1ddc1822b3b37802"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.41"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d14928354b01c4d6a4f0e549069adef399a284e7995c7ccca94e8a07a5346c59"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.114",
 ]
 
 [[package]]
 name = "uart_16550"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b074eb9300ad949edd74c529c0e8d451625af71bb948e6b65fe69f72dc1363d9"
+checksum = "614ff2a87880d4bd4374722268598a970bbad05ced8bf630439417347254ab2e"
 dependencies = [
  "bitflags 1.3.2",
  "rustversion",
@@ -856,16 +869,16 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e492212ac378a5e00da953718dafb1340d9fbaf4f27d6f3c5cab03d931d1c049"
 dependencies = [
- "bitflags 2.3.3",
+ "bitflags 2.10.0",
  "rustversion",
  "x86",
 ]
 
 [[package]]
 name = "ucs2"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bad643914094137d475641b6bab89462505316ec2ce70907ad20102d28a79ab8"
+checksum = "df79298e11f316400c57ec268f3c2c29ac3c4d4777687955cd3d4f3a35ce7eba"
 dependencies = [
  "bit_field",
 ]
@@ -896,9 +909,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.10"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22049a19f4a68748a168c0fc439f9516686aa045927ff767eca0a85101fb6e73"
+checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
 
 [[package]]
 name = "usize_conversions"
@@ -908,17 +921,19 @@ checksum = "f70329e2cbe45d6c97a5112daad40c34cd9a4e18edb5a2a18fefeb584d8d25e5"
 
 [[package]]
 name = "utf8parse"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.4.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d023da39d1fde5a8a3fe1f3e01ca9632ada0a63e9797de55a879d6e2236277be"
+checksum = "e2e054861b4bd027cd373e18e8d8d8e6548085000e41290d95ce0c373a654b4a"
 dependencies = [
- "getrandom",
+ "getrandom 0.3.4",
+ "js-sys",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -940,9 +955,9 @@ dependencies = [
 
 [[package]]
 name = "vte_generate_state_changes"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d257817081c7dffcdbab24b9e62d2def62e2ff7d00b1c20062551e6cccc145ff"
+checksum = "2e369bee1b05d510a7b4ed645f5faa90619e05437111783ea5848f28d97d3c2e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -950,75 +965,84 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
 [[package]]
-name = "windows-sys"
-version = "0.48.0"
+name = "wasip2"
+version = "1.0.1+wasi-0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
 dependencies = [
- "windows-targets",
+ "wit-bindgen",
 ]
 
 [[package]]
-name = "windows-targets"
-version = "0.48.1"
+name = "wasm-bindgen"
+version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05d4b17490f70499f20b9e791dcf6a299785ce8af4d709018206dc5b4953e95f"
+checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+ "wasm-bindgen-shared",
 ]
 
 [[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
-
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.48.0"
+name = "wasm-bindgen-macro"
+version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
+checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
 
 [[package]]
-name = "windows_i686_gnu"
-version = "0.48.0"
+name = "wasm-bindgen-macro-support"
+version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
+checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
+dependencies = [
+ "bumpalo",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+ "wasm-bindgen-shared",
+]
 
 [[package]]
-name = "windows_i686_msvc"
-version = "0.48.0"
+name = "wasm-bindgen-shared"
+version = "0.2.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
+checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4"
+dependencies = [
+ "unicode-ident",
+]
 
 [[package]]
-name = "windows_x86_64_gnu"
-version = "0.48.0"
+name = "windows-link"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
 [[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.48.0"
+name = "windows-sys"
+version = "0.61.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
 
 [[package]]
-name = "windows_x86_64_msvc"
-version = "0.48.0"
+name = "wit-bindgen"
+version = "0.46.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
+checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
 
 [[package]]
 name = "wyz"
@@ -1047,19 +1071,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c101112411baafbb4bf8d33e4c4a80ab5b02d74d2612331c61e8192fc9710491"
 dependencies = [
  "bit_field",
- "bitflags 2.3.3",
+ "bitflags 2.10.0",
  "rustversion",
  "volatile",
 ]
 
 [[package]]
 name = "x86_64"
-version = "0.15.2"
+version = "0.15.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f042214de98141e9c8706e8192b73f56494087cc55ebec28ce10f26c5c364ae"
+checksum = "f7841fa0098ceb15c567d93d3fae292c49e10a7662b4936d5f6a9728594555ba"
 dependencies = [
  "bit_field",
- "bitflags 2.3.3",
+ "bitflags 2.10.0",
+ "const_fn",
  "rustversion",
  "volatile",
 ]
@@ -1078,3 +1103,29 @@ name = "zero"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fe21bcc34ca7fe6dd56cc2cb1261ea59d6b93620215aefb5ea6032265527784"
+
+[[package]]
+name = "zerocopy"
+version = "0.8.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "668f5168d10b9ee831de31933dc111a459c97ec93225beb307aed970d1372dfd"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
+[[package]]
+name = "zmij"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fc5a66a20078bf1251bde995aa2fdcc4b800c70b5d92dd2c62abc5c60f679f8"
diff --git a/Cargo.toml b/Cargo.toml
index 1609a6d1..440566e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,6 +61,7 @@ test_kernel_min_stack = { path = "tests/test_kernels/min_stack", artifact = "bin
 test_kernel_lower_memory_free = { path = "tests/test_kernels/lower_memory_free", artifact = "bin", target = "x86_64-unknown-none" }
 test_kernel_write_usable_memory = { path = "tests/test_kernels/write_usable_memory", artifact = "bin", target = "x86_64-unknown-none" }
 test_kernel_fixed_kernel_address = { path = "tests/test_kernels/fixed_kernel_address", artifact = "bin", target = "x86_64-unknown-none" }
+test_kernel_stack_address = { path = "tests/test_kernels/stack_address", artifact = "bin", target = "x86_64-unknown-none" }
 
 [profile.dev]
 panic = "abort"
diff --git a/api/src/info.rs b/api/src/info.rs
index 5f46e8cd..a3637c80 100644
--- a/api/src/info.rs
+++ b/api/src/info.rs
@@ -62,8 +62,8 @@ pub struct BootInfo {
     pub kernel_len: u64,
     /// Virtual address of the loaded kernel image.
     pub kernel_image_offset: u64,
-    /// Virtual address of the start of the kernel stack
-    pub kernel_stack_addr: u64,
+    /// Virtual address of the kernel stack bottom.
+    pub kernel_stack_bottom: u64,
     /// Size of the kernel stack
     pub kernel_stack_len: u64,
 
@@ -89,7 +89,7 @@ impl BootInfo {
             kernel_addr: 0,
             kernel_len: 0,
             kernel_image_offset: 0,
-            kernel_stack_addr: 0,
+            kernel_stack_bottom: 0,
             kernel_stack_len: 0,
             _test_sentinel: 0,
         }
diff --git a/common/src/lib.rs b/common/src/lib.rs
index 94af1f70..e2a188b0 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -415,7 +415,7 @@ where
     Mappings {
         framebuffer: framebuffer_virt_addr,
         entry_point,
-        stack_start: stack_start.start_address(),
+        stack_bottom: stack_start.start_address(),
         // Use the configured stack size, even if it's not page-aligned. However, we
         // need to align it down to the next 16-byte boundary because the System V
         // ABI requires a 16-byte stack alignment.
@@ -439,7 +439,7 @@ where
 pub struct Mappings {
     /// The entry point address of the kernel.
     pub entry_point: VirtAddr,
-    pub stack_start: VirtAddr,
+    pub stack_bottom: VirtAddr,
     /// The (exclusive) end address of the kernel stack.
     pub stack_top: VirtAddr,
     /// Keeps track of used entries in the level 4 page table, useful for finding a free
@@ -581,7 +581,7 @@ where
         info.kernel_addr = mappings.kernel_slice_start.as_u64();
         info.kernel_len = mappings.kernel_slice_len as _;
         info.kernel_image_offset = mappings.kernel_image_offset.as_u64();
-        info.kernel_stack_addr = mappings.stack_start.as_u64();
+        info.kernel_stack_bottom = mappings.stack_bottom.as_u64();
         info.kernel_stack_len = config.kernel_stack_size;
         info._test_sentinel = boot_config._test_sentinel;
         info
diff --git a/tests/stack_address.rs b/tests/stack_address.rs
new file mode 100644
index 00000000..84b7365f
--- /dev/null
+++ b/tests/stack_address.rs
@@ -0,0 +1,6 @@
+use bootloader_test_runner::run_test_kernel;
+
+#[test]
+fn basic_boot() {
+    run_test_kernel(env!("CARGO_BIN_FILE_TEST_KERNEL_STACK_ADDRESS_basic_boot"));
+}
diff --git a/tests/test_kernels/Cargo.lock b/tests/test_kernels/Cargo.lock
index ea6968ed..1670fd69 100644
--- a/tests/test_kernels/Cargo.lock
+++ b/tests/test_kernels/Cargo.lock
@@ -111,6 +111,15 @@ dependencies = [
  "x86_64 0.15.2",
 ]
 
+[[package]]
+name = "test_kernel_stack_address"
+version = "0.1.0"
+dependencies = [
+ "bootloader_api",
+ "uart_16550",
+ "x86_64 0.15.2",
+]
+
 [[package]]
 name = "test_kernel_write_usable_memory"
 version = "0.1.0"
diff --git a/tests/test_kernels/Cargo.toml b/tests/test_kernels/Cargo.toml
index 80daa869..f781d25c 100644
--- a/tests/test_kernels/Cargo.toml
+++ b/tests/test_kernels/Cargo.toml
@@ -13,6 +13,7 @@ members = [
     "lower_memory_free",
     "write_usable_memory",
     "fixed_kernel_address",
+    "stack_address",
 ]
 
 [profile.release]
diff --git a/tests/test_kernels/stack_address/Cargo.toml b/tests/test_kernels/stack_address/Cargo.toml
new file mode 100644
index 00000000..28b59198
--- /dev/null
+++ b/tests/test_kernels/stack_address/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "test_kernel_stack_address"
+version = "0.1.0"
+edition = "2024"
+
+[target.'cfg(target_arch = "x86_64")'.dependencies]
+bootloader_api = { path = "../../../api" }
+x86_64 = { version = "0.15.2", default-features = false, features = [
+    "instructions",
+] }
+uart_16550 = "0.2.10"
diff --git a/tests/test_kernels/stack_address/src/bin/basic_boot.rs b/tests/test_kernels/stack_address/src/bin/basic_boot.rs
new file mode 100644
index 00000000..fda8c7b0
--- /dev/null
+++ b/tests/test_kernels/stack_address/src/bin/basic_boot.rs
@@ -0,0 +1,30 @@
+#![no_std] // don't link the Rust standard library
+#![no_main] // disable all Rust-level entry points
+
+use bootloader_api::{BootInfo, entry_point};
+use test_kernel_stack_address::{BOOTLOADER_CONFIG, QemuExitCode, exit_qemu};
+
+entry_point!(kernel_main, config = &BOOTLOADER_CONFIG);
+
+fn kernel_main(boot_info: &'static mut BootInfo) -> ! {
+
+    let x: i32 = 42;
+    let vaddr = &x as *const _ as usize as u64;
+
+    assert_ne!(boot_info.kernel_stack_bottom, 0);
+    assert_eq!(boot_info.kernel_stack_len, BOOTLOADER_CONFIG.kernel_stack_size);
+    assert!(vaddr >= boot_info.kernel_stack_bottom);
+    assert!(vaddr < boot_info.kernel_stack_bottom + boot_info.kernel_stack_len);
+
+    exit_qemu(QemuExitCode::Success);
+}
+
+/// This function is called on panic.
+#[cfg(not(test))]
+#[panic_handler]
+fn panic(info: &core::panic::PanicInfo) -> ! {
+    use core::fmt::Write;
+
+    let _ = writeln!(test_kernel_stack_address::serial(), "PANIC: {info}");
+    exit_qemu(QemuExitCode::Failed);
+}
diff --git a/tests/test_kernels/stack_address/src/lib.rs b/tests/test_kernels/stack_address/src/lib.rs
new file mode 100644
index 00000000..9a8212e2
--- /dev/null
+++ b/tests/test_kernels/stack_address/src/lib.rs
@@ -0,0 +1,37 @@
+#![no_std]
+
+use bootloader_api::{BootloaderConfig, config::Mapping};
+
+pub const KERNEL_ADDR: u64 = 0x1987_6543_0000;
+
+pub const BOOTLOADER_CONFIG: BootloaderConfig = {
+    let mut config = BootloaderConfig::new_default();
+    config.mappings.kernel_base = Mapping::FixedAddress(KERNEL_ADDR);
+    config
+};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[repr(u32)]
+pub enum QemuExitCode {
+    Success = 0x10,
+    Failed = 0x11,
+}
+
+pub fn exit_qemu(exit_code: QemuExitCode) -> ! {
+    use x86_64::instructions::{nop, port::Port};
+
+    unsafe {
+        let mut port = Port::new(0xf4);
+        port.write(exit_code as u32);
+    }
+
+    loop {
+        nop();
+    }
+}
+
+pub fn serial() -> uart_16550::SerialPort {
+    let mut port = unsafe { uart_16550::SerialPort::new(0x3F8) };
+    port.init();
+    port
+}

From e7e6f9a1eb7bbf24bbfce2ef0dca564d57332aee Mon Sep 17 00:00:00 2001
From: Tom Dohrmann <erbse.13@gmx.de>
Date: Sun, 11 Jan 2026 10:06:22 +0100
Subject: [PATCH 3/4] Revert changes to Cargo.lock

---
 Cargo.lock | 495 ++++++++++++++++++++++++-----------------------------
 1 file changed, 227 insertions(+), 268 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 5da4e456..1b0f5566 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 4
 
 [[package]]
 name = "anyhow"
-version = "1.0.100"
+version = "1.0.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
+checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
 
 [[package]]
 name = "arrayvec"
@@ -16,13 +16,19 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "atomic-polyfill"
-version = "1.0.3"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cf2bce30dfe09ef0bfaef228b9d414faaf7e563035494d7fe092dba54b300f4"
+checksum = "e3ff7eb3f316534d83a8a2c3d1674ace8a5a71198eba31e2e2b597833f699b28"
 dependencies = [
  "critical-section",
 ]
 
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -34,9 +40,9 @@ dependencies = [
 
 [[package]]
 name = "bit_field"
-version = "0.10.3"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
+checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
 
 [[package]]
 name = "bitflags"
@@ -46,9 +52,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.10.0"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
+checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
 
 [[package]]
 name = "bitvec"
@@ -132,7 +138,7 @@ dependencies = [
  "rsdp",
  "serde-json-core",
  "usize_conversions",
- "x86_64 0.15.4",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -150,7 +156,7 @@ dependencies = [
  "spinning_top",
  "uart_16550 0.3.2",
  "usize_conversions",
- "x86_64 0.15.4",
+ "x86_64 0.15.2",
  "xmas-elf",
 ]
 
@@ -164,7 +170,7 @@ dependencies = [
  "log",
  "serde-json-core",
  "uefi",
- "x86_64 0.15.4",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -184,22 +190,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "bumpalo"
-version = "3.19.1"
+name = "byteorder"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
-name = "byteorder"
-version = "1.5.0"
+name = "cc"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 
 [[package]]
 name = "cfg-if"
-version = "1.0.4"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "conquer-once"
@@ -216,48 +222,56 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e763eef8846b13b380f37dfecda401770b0ca4e56e95170237bd7c25c7db3582"
 
-[[package]]
-name = "const_fn"
-version = "0.4.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f8a2ca5ac02d09563609681103aada9e1777d54fc57a5acd7a41404f9c93b6e"
-
 [[package]]
 name = "crc"
-version = "3.4.0"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
+checksum = "86ec7a15cbe22e59248fc7eadb1907dab5ba09372595da4d73dd805ed4417dfe"
 dependencies = [
  "crc-catalog",
 ]
 
 [[package]]
 name = "crc-catalog"
-version = "2.4.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+checksum = "9cace84e55f07e7301bae1c519df89cdad8cc3cd868413d3fdbdeca9ff3db484"
 
 [[package]]
 name = "critical-section"
-version = "1.2.0"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
+checksum = "6548a0ad5d2549e111e1f6a11a6c2e2d00ce6a3dafe22948d67c2b443f775e52"
 
 [[package]]
 name = "errno"
-version = "0.3.14"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
+checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
 dependencies = [
+ "errno-dragonfly",
  "libc",
  "windows-sys",
 ]
 
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "fastrand"
-version = "2.3.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
 
 [[package]]
 name = "fatfs"
@@ -278,34 +292,22 @@ checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
 
 [[package]]
 name = "getrandom"
-version = "0.2.16"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "libc",
  "wasi",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
-dependencies = [
- "cfg-if",
- "libc",
- "r-efi",
- "wasip2",
-]
-
 [[package]]
 name = "gpt"
 version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8283e7331b8c93b9756e0cfdbcfb90312852f953c6faf9bf741e684cc3b6ad69"
 dependencies = [
- "bitflags 2.10.0",
+ "bitflags 2.3.3",
  "crc",
  "log",
  "uuid",
@@ -322,9 +324,9 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.7.17"
+version = "0.7.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
+checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
 dependencies = [
  "atomic-polyfill",
  "hash32",
@@ -334,32 +336,48 @@ dependencies = [
 ]
 
 [[package]]
-name = "itoa"
-version = "1.0.17"
+name = "hermit-abi"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
+checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
 
 [[package]]
-name = "js-sys"
-version = "0.3.83"
+name = "instant"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "464a3709c7f55f1f721e5389aa6ea4e3bc6aba669353300af094b29ffbdde1d8"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
 dependencies = [
- "once_cell",
- "wasm-bindgen",
+ "cfg-if",
 ]
 
+[[package]]
+name = "io-lifetimes"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b02a5381cc465bd3041d84623d0fa3b66738b52b8e2fc3bab8ad63ab032f4a"
+
 [[package]]
 name = "libc"
-version = "0.2.180"
+version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.11.0"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
+checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
 [[package]]
 name = "llvm-tools"
@@ -369,18 +387,19 @@ checksum = "955be5d0ca0465caf127165acb47964f911e2bc26073e865deb8be7189302faf"
 
 [[package]]
 name = "lock_api"
-version = "0.4.14"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
+checksum = "c1cc9717a20b1bb222f333e6a92fd32f7d8a18ddc5a3191a11af45dcbf4dcd16"
 dependencies = [
+ "autocfg",
  "scopeguard",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.29"
+version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
+checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 
 [[package]]
 name = "mbr-nostd"
@@ -393,9 +412,9 @@ dependencies = [
 
 [[package]]
 name = "mbrman"
-version = "0.5.4"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1fc3bff63c208d4a14301c6cb807af2d1a0760052584ce3f9a737b55fb85498"
+checksum = "9c487024623ae38584610237dd1be8932bb2b324474b23c37a25f9fbe6bf5e9e"
 dependencies = [
  "bincode",
  "bitvec",
@@ -404,12 +423,6 @@ dependencies = [
  "thiserror",
 ]
 
-[[package]]
-name = "memchr"
-version = "2.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
-
 [[package]]
 name = "noto-sans-mono-bitmap"
 version = "0.1.6"
@@ -422,12 +435,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a27daf9557165efe1d09b52f97393bf6283cadb0a76fbe64a1061e15553a994a"
 
-[[package]]
-name = "once_cell"
-version = "1.21.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
-
 [[package]]
 name = "ovmf-prebuilt"
 version = "0.1.0-alpha.1"
@@ -436,18 +443,15 @@ checksum = "fa50141d081512ab30fd9e7e7692476866df5098b028536ad6680212e717fa8d"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.21"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
-dependencies = [
- "zerocopy",
-]
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.105"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
+checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
 dependencies = [
  "unicode-ident",
 ]
@@ -474,19 +478,13 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.43"
+version = "1.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
+checksum = "573015e8ab27661678357f27dc26460738fd2b6c86e46f386fde94cb5d913105"
 dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "r-efi"
-version = "5.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
-
 [[package]]
 name = "radium"
 version = "0.7.0"
@@ -520,7 +518,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.16",
+ "getrandom",
 ]
 
 [[package]]
@@ -541,32 +539,42 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "rsdp"
-version = "2.0.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ed5f33bb98eace335c13cdd159fbfc73ce203b597981a76832dfbb9cbd8101b"
+checksum = "66d3add2fc55ef37511bcf81a08ee7a09eff07b23aae38b06a29024a38c604b1"
 dependencies = [
  "log",
 ]
 
 [[package]]
 name = "rustc_version"
-version = "0.4.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
  "semver",
 ]
 
 [[package]]
 name = "rustix"
-version = "1.1.3"
+version = "0.37.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
+checksum = "84f3f8f960ed3b5a59055428714943298bf3fa2d4a1d53135084e0544829d995"
 dependencies = [
- "bitflags 2.10.0",
+ "bitflags 1.3.2",
  "errno",
+ "io-lifetimes",
  "libc",
  "linux-raw-sys",
  "windows-sys",
@@ -574,89 +582,77 @@ dependencies = [
 
 [[package]]
 name = "rustversion"
-version = "1.0.22"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
+checksum = "dc31bd9b61a32c31f9650d18add92aa83a49ba979c143eefd27fe7177b05bd5f"
 
 [[package]]
 name = "ryu"
-version = "1.0.22"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a50f4cf475b65d88e057964e0e9bb1f0aa9bbb2036dc65c64596b42932536984"
+checksum = "fe232bdf6be8c8de797b22184ee71118d63780ea42ac85b61d1baa6d3b782ae9"
 
 [[package]]
 name = "scopeguard"
-version = "1.2.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "semver"
-version = "1.0.27"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
+checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.228"
+version = "1.0.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+checksum = "d01b7404f9d441d3ad40e6a636a7782c377d2abdbe4fa2440e2edcc2f4f10db8"
 dependencies = [
- "serde_core",
  "serde_derive",
 ]
 
 [[package]]
 name = "serde-big-array"
-version = "0.5.1"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11fc7cc2c76d73e0f27ee52abbd64eec84d46f370c88371120433196934e4b7f"
+checksum = "3323f09a748af288c3dc2474ea6803ee81f118321775bffa3ac8f7e65c5e90e7"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "serde-json-core"
-version = "0.5.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c9e1ab533c0bc414c34920ec7e5f097101d126ed5eac1a1aac711222e0bbb33"
+checksum = "58ec3c8fe427f45ee3aaa0ebb9f0d9ab8ae9ad05d12047fe7249ae5ea9374ff0"
 dependencies = [
  "heapless",
  "ryu",
  "serde",
 ]
 
-[[package]]
-name = "serde_core"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
-dependencies = [
- "serde_derive",
-]
-
 [[package]]
 name = "serde_derive"
-version = "1.0.228"
+version = "1.0.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
+checksum = "5dd83d6dde2b6b2d466e14d9d1acce8816dedee94f735eac6395808b3483c6d6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.23",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.149"
+version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+checksum = "0f1e14e89be7aa4c4b78bdbdc9eb5bf8517829a600ae8eaa39a6e1d960b5185c"
 dependencies = [
  "itoa",
- "memchr",
+ "ryu",
  "serde",
- "serde_core",
- "zmij",
 ]
 
 [[package]]
@@ -679,9 +675,9 @@ dependencies = [
 
 [[package]]
 name = "stable_deref_trait"
-version = "1.2.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
 [[package]]
 name = "strip-ansi-escapes"
@@ -705,9 +701,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.114"
+version = "2.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
+checksum = "59fb7d6d8281a51045d62b8eb3a7d1ce347b76f312af50cd3dc0af39c87c1737"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -722,13 +718,14 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "tempfile"
-version = "3.24.0"
+version = "3.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "655da9c7eb6305c55742045d5a8d2037996d61d8de95806335c7c86ce0f82e9c"
+checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
 dependencies = [
+ "autocfg",
+ "cfg-if",
  "fastrand",
- "getrandom 0.3.4",
- "once_cell",
+ "redox_syscall",
  "rustix",
  "windows-sys",
 ]
@@ -738,8 +735,8 @@ name = "test_kernel_config_file"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -747,8 +744,8 @@ name = "test_kernel_default_settings"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -756,8 +753,8 @@ name = "test_kernel_fixed_kernel_address"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -765,8 +762,8 @@ name = "test_kernel_higher_half"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -774,8 +771,8 @@ name = "test_kernel_lower_memory_free"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -783,8 +780,8 @@ name = "test_kernel_map_phys_mem"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -792,8 +789,8 @@ name = "test_kernel_min_stack"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -801,8 +798,8 @@ name = "test_kernel_pie"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -810,8 +807,8 @@ name = "test_kernel_ramdisk"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -819,8 +816,8 @@ name = "test_kernel_stack_address"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
@@ -828,35 +825,35 @@ name = "test_kernel_write_usable_memory"
 version = "0.1.0"
 dependencies = [
  "bootloader_api",
- "uart_16550 0.2.19",
- "x86_64 0.15.4",
+ "uart_16550 0.2.18",
+ "x86_64 0.15.2",
 ]
 
 [[package]]
 name = "thiserror"
-version = "1.0.69"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+checksum = "c16a64ba9387ef3fdae4f9c1a7f07a0997fce91985c0336f1ddc1822b3b37802"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.69"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+checksum = "d14928354b01c4d6a4f0e549069adef399a284e7995c7ccca94e8a07a5346c59"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.23",
 ]
 
 [[package]]
 name = "uart_16550"
-version = "0.2.19"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "614ff2a87880d4bd4374722268598a970bbad05ced8bf630439417347254ab2e"
+checksum = "b074eb9300ad949edd74c529c0e8d451625af71bb948e6b65fe69f72dc1363d9"
 dependencies = [
  "bitflags 1.3.2",
  "rustversion",
@@ -869,16 +866,16 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e492212ac378a5e00da953718dafb1340d9fbaf4f27d6f3c5cab03d931d1c049"
 dependencies = [
- "bitflags 2.10.0",
+ "bitflags 2.3.3",
  "rustversion",
  "x86",
 ]
 
 [[package]]
 name = "ucs2"
-version = "0.3.3"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df79298e11f316400c57ec268f3c2c29ac3c4d4777687955cd3d4f3a35ce7eba"
+checksum = "bad643914094137d475641b6bab89462505316ec2ce70907ad20102d28a79ab8"
 dependencies = [
  "bit_field",
 ]
@@ -909,9 +906,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.22"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "22049a19f4a68748a168c0fc439f9516686aa045927ff767eca0a85101fb6e73"
 
 [[package]]
 name = "usize_conversions"
@@ -921,19 +918,17 @@ checksum = "f70329e2cbe45d6c97a5112daad40c34cd9a4e18edb5a2a18fefeb584d8d25e5"
 
 [[package]]
 name = "utf8parse"
-version = "0.2.2"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
 name = "uuid"
-version = "1.19.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2e054861b4bd027cd373e18e8d8d8e6548085000e41290d95ce0c373a654b4a"
+checksum = "d023da39d1fde5a8a3fe1f3e01ca9632ada0a63e9797de55a879d6e2236277be"
 dependencies = [
- "getrandom 0.3.4",
- "js-sys",
- "wasm-bindgen",
+ "getrandom",
 ]
 
 [[package]]
@@ -955,9 +950,9 @@ dependencies = [
 
 [[package]]
 name = "vte_generate_state_changes"
-version = "0.1.2"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e369bee1b05d510a7b4ed645f5faa90619e05437111783ea5848f28d97d3c2e"
+checksum = "d257817081c7dffcdbab24b9e62d2def62e2ff7d00b1c20062551e6cccc145ff"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -965,84 +960,75 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.11.1+wasi-snapshot-preview1"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
-name = "wasip2"
-version = "1.0.1+wasi-0.2.4"
+name = "windows-sys"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "wit-bindgen",
+ "windows-targets",
 ]
 
 [[package]]
-name = "wasm-bindgen"
-version = "0.2.106"
+name = "windows-targets"
+version = "0.48.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
+checksum = "05d4b17490f70499f20b9e791dcf6a299785ce8af4d709018206dc5b4953e95f"
 dependencies = [
- "cfg-if",
- "once_cell",
- "rustversion",
- "wasm-bindgen-macro",
- "wasm-bindgen-shared",
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
 ]
 
 [[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.106"
+name = "windows_aarch64_gnullvm"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
+checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
 
 [[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.106"
+name = "windows_aarch64_msvc"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
-dependencies = [
- "bumpalo",
- "proc-macro2",
- "quote",
- "syn 2.0.114",
- "wasm-bindgen-shared",
-]
+checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
 
 [[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.106"
+name = "windows_i686_gnu"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4"
-dependencies = [
- "unicode-ident",
-]
+checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
 
 [[package]]
-name = "windows-link"
-version = "0.2.1"
+name = "windows_i686_msvc"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
 
 [[package]]
-name = "windows-sys"
-version = "0.61.2"
+name = "windows_x86_64_gnu"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
-dependencies = [
- "windows-link",
-]
+checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
 
 [[package]]
-name = "wit-bindgen"
-version = "0.46.0"
+name = "windows_x86_64_gnullvm"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
 [[package]]
 name = "wyz"
@@ -1071,20 +1057,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c101112411baafbb4bf8d33e4c4a80ab5b02d74d2612331c61e8192fc9710491"
 dependencies = [
  "bit_field",
- "bitflags 2.10.0",
+ "bitflags 2.3.3",
  "rustversion",
  "volatile",
 ]
 
 [[package]]
 name = "x86_64"
-version = "0.15.4"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7841fa0098ceb15c567d93d3fae292c49e10a7662b4936d5f6a9728594555ba"
+checksum = "0f042214de98141e9c8706e8192b73f56494087cc55ebec28ce10f26c5c364ae"
 dependencies = [
  "bit_field",
- "bitflags 2.10.0",
- "const_fn",
+ "bitflags 2.3.3",
  "rustversion",
  "volatile",
 ]
@@ -1103,29 +1088,3 @@ name = "zero"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fe21bcc34ca7fe6dd56cc2cb1261ea59d6b93620215aefb5ea6032265527784"
-
-[[package]]
-name = "zerocopy"
-version = "0.8.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "668f5168d10b9ee831de31933dc111a459c97ec93225beb307aed970d1372dfd"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.8.33"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.114",
-]
-
-[[package]]
-name = "zmij"
-version = "1.0.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fc5a66a20078bf1251bde995aa2fdcc4b800c70b5d92dd2c62abc5c60f679f8"

From 0440530f7b480836bdfb3e35e4faba0ae181de70 Mon Sep 17 00:00:00 2001
From: Tom Dohrmann <erbse.13@gmx.de>
Date: Sun, 11 Jan 2026 10:08:00 +0100
Subject: [PATCH 4/4] run cargo fmt

---
 tests/test_kernels/stack_address/src/bin/basic_boot.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/test_kernels/stack_address/src/bin/basic_boot.rs b/tests/test_kernels/stack_address/src/bin/basic_boot.rs
index fda8c7b0..c2ee31ae 100644
--- a/tests/test_kernels/stack_address/src/bin/basic_boot.rs
+++ b/tests/test_kernels/stack_address/src/bin/basic_boot.rs
@@ -7,12 +7,14 @@ use test_kernel_stack_address::{BOOTLOADER_CONFIG, QemuExitCode, exit_qemu};
 entry_point!(kernel_main, config = &BOOTLOADER_CONFIG);
 
 fn kernel_main(boot_info: &'static mut BootInfo) -> ! {
-
     let x: i32 = 42;
     let vaddr = &x as *const _ as usize as u64;
 
     assert_ne!(boot_info.kernel_stack_bottom, 0);
-    assert_eq!(boot_info.kernel_stack_len, BOOTLOADER_CONFIG.kernel_stack_size);
+    assert_eq!(
+        boot_info.kernel_stack_len,
+        BOOTLOADER_CONFIG.kernel_stack_size
+    );
     assert!(vaddr >= boot_info.kernel_stack_bottom);
     assert!(vaddr < boot_info.kernel_stack_bottom + boot_info.kernel_stack_len);