diff --git a/tools/cmake/toolchain-clang-esp32.cmake b/tools/cmake/toolchain-clang-esp32.cmake
index 2ca9540dcdd..8710e635e27 100644
--- a/tools/cmake/toolchain-clang-esp32.cmake
+++ b/tools/cmake/toolchain-clang-esp32.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=xtensa-esp32-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=xtensa-esp32-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32c2.cmake b/tools/cmake/toolchain-clang-esp32c2.cmake
index 3d7593a2d30..a2ed6b008ab 100644
--- a/tools/cmake/toolchain-clang-esp32c2.cmake
+++ b/tools/cmake/toolchain-clang-esp32c2.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32c3.cmake b/tools/cmake/toolchain-clang-esp32c3.cmake
index 3d7593a2d30..a2ed6b008ab 100644
--- a/tools/cmake/toolchain-clang-esp32c3.cmake
+++ b/tools/cmake/toolchain-clang-esp32c3.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32c5.cmake b/tools/cmake/toolchain-clang-esp32c5.cmake
index 0e01b55683f..41f9f6426da 100644
--- a/tools/cmake/toolchain-clang-esp32c5.cmake
+++ b/tools/cmake/toolchain-clang-esp32c5.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32c6.cmake b/tools/cmake/toolchain-clang-esp32c6.cmake
index 0e01b55683f..41f9f6426da 100644
--- a/tools/cmake/toolchain-clang-esp32c6.cmake
+++ b/tools/cmake/toolchain-clang-esp32c6.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32c61.cmake b/tools/cmake/toolchain-clang-esp32c61.cmake
index 0e01b55683f..41f9f6426da 100644
--- a/tools/cmake/toolchain-clang-esp32c61.cmake
+++ b/tools/cmake/toolchain-clang-esp32c61.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32h2.cmake b/tools/cmake/toolchain-clang-esp32h2.cmake
index 3d7593a2d30..a2ed6b008ab 100644
--- a/tools/cmake/toolchain-clang-esp32h2.cmake
+++ b/tools/cmake/toolchain-clang-esp32h2.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32h4.cmake b/tools/cmake/toolchain-clang-esp32h4.cmake
index 3d7593a2d30..21355e82151 100644
--- a/tools/cmake/toolchain-clang-esp32h4.cmake
+++ b/tools/cmake/toolchain-clang-esp32h4.cmake
@@ -11,28 +11,28 @@ set(CMAKE_AR llvm-ar)
 set(CMAKE_RANLIB llvm-ranlib)
 set(CMAKE_OBJDUMP riscv32-esp-elf-clang-objdump)
 
-remove_duplicated_flags("--target=riscv32-esp-elf -march=rv32imc_zicsr_zifencei -mabi=ilp32 \
+remove_duplicated_flags("--target=riscv32-esp-elf -march=rv32imafc_zicsr_zifencei -mabi=ilp32 \
                         ${CMAKE_C_FLAGS}"
                         UNIQ_CMAKE_C_FLAGS)
 set(CMAKE_C_FLAGS "${UNIQ_CMAKE_C_FLAGS}"
     CACHE STRING "C Compiler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--target=riscv32-esp-elf -march=rv32imc_zicsr_zifencei -mabi=ilp32 \
+remove_duplicated_flags("--target=riscv32-esp-elf -march=rv32imafc_zicsr_zifencei -mabi=ilp32f \
                         ${CMAKE_CXX_FLAGS}"
                         UNIQ_CMAKE_CXX_FLAGS)
 set(CMAKE_CXX_FLAGS "${UNIQ_CMAKE_CXX_FLAGS}"
     CACHE STRING "C++ Compiler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--target=riscv32-esp-elf -march=rv32imc_zicsr_zifencei -mabi=ilp32 \
+remove_duplicated_flags("--target=riscv32-esp-elf -march=rv32imafc_zicsr_zifencei -mabi=ilp32f \
                         ${CMAKE_ASM_FLAGS}"
                         UNIQ_CMAKE_ASM_FLAGS)
 set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32p4.cmake b/tools/cmake/toolchain-clang-esp32p4.cmake
index 6606daecd74..59e328d70b4 100644
--- a/tools/cmake/toolchain-clang-esp32p4.cmake
+++ b/tools/cmake/toolchain-clang-esp32p4.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=riscv32-esp-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32s2.cmake b/tools/cmake/toolchain-clang-esp32s2.cmake
index 2ac8029825c..50c14bd72f2 100644
--- a/tools/cmake/toolchain-clang-esp32s2.cmake
+++ b/tools/cmake/toolchain-clang-esp32s2.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=xtensa-esp32s2-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=xtensa-esp32s2-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/cmake/toolchain-clang-esp32s3.cmake b/tools/cmake/toolchain-clang-esp32s3.cmake
index 753e35a7a0f..289bbbc7178 100644
--- a/tools/cmake/toolchain-clang-esp32s3.cmake
+++ b/tools/cmake/toolchain-clang-esp32s3.cmake
@@ -32,7 +32,7 @@ set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
     CACHE STRING "Assembler Base Flags"
     FORCE)
 
-remove_duplicated_flags("--ld-path=xtensa-esp32s3-elf-clang-ld -z noexecstack \
+remove_duplicated_flags("-nostartfiles --ld-path=xtensa-esp32s3-elf-clang-ld -z noexecstack \
                         ${CMAKE_EXE_LINKER_FLAGS}"
                         UNIQ_CMAKE_EXE_LINKER_FLAGS)
 set(CMAKE_EXE_LINKER_FLAGS "${UNIQ_CMAKE_EXE_LINKER_FLAGS}"
diff --git a/tools/tools.json b/tools/tools.json
index dc984f0ad02..84cfdab92a4 100644
--- a/tools/tools.json
+++ b/tools/tools.json
@@ -266,36 +266,36 @@
       "versions": [
         {
           "linux-amd64": {
-            "sha256": "8546cd8ac0596835fbe3970d7c8ed6a842713ab948b759525756867f3bc0a5ef",
-            "size": 332799436,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/clang-esp-19.1.2_20250312-x86_64-linux-gnu.tar.xz"
+            "sha256": "88910c21350c06a521f243304d1a3adbdb78447123b3f8e27493aab75e3cc07f",
+            "size": 339870496,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/clang-esp-20.1.1_20250829-x86_64-linux-gnu.tar.xz"
           },
           "linux-arm64": {
-            "sha256": "02dcde2e9e71706f36f64a4dc551085eb155d08714aaefc251c05fa5c4e743ae",
-            "size": 313340976,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/clang-esp-19.1.2_20250312-aarch64-linux-gnu.tar.xz"
+            "sha256": "41f536fdee22527011d89e416b301648afd9f738d03e1c62f2b27e36ec395c4c",
+            "size": 319722760,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/clang-esp-20.1.1_20250829-aarch64-linux-gnu.tar.xz"
           },
           "linux-armhf": {
-            "sha256": "cd79d1b92185adb91711909de96bf4a3ad1df214a3040013446ab36ccd533a18",
-            "size": 316011700,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/clang-esp-19.1.2_20250312-arm-linux-gnueabihf.tar.xz"
+            "sha256": "7b695e88e21ba8a503d504f940dd34a7e4d3e98605c856b6836eec9117a5be94",
+            "size": 323395316,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/clang-esp-20.1.1_20250829-arm-linux-gnueabihf.tar.xz"
           },
           "macos": {
-            "sha256": "d9832307626ebf04115b7b51caa059f8caff8875b35e68000ead7f02c690aa82",
-            "size": 297033276,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/clang-esp-19.1.2_20250312-x86_64-apple-darwin.tar.xz"
+            "sha256": "7dca85cd594185d8f9cf76f7e0c3420ee07057c1538b0016d8342677463f9ade",
+            "size": 303055152,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/clang-esp-20.1.1_20250829-x86_64-apple-darwin.tar.xz"
           },
           "macos-arm64": {
-            "sha256": "f67ae3c07d0d32685ee05b6add063f37e799a7bd14af86cb3998da237709c57f",
-            "size": 272383664,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/clang-esp-19.1.2_20250312-aarch64-apple-darwin.tar.xz"
+            "sha256": "85ff833a326593df376010a2aa18d6aa444f239c1dfed604e13502d00c19db30",
+            "size": 278008728,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/clang-esp-20.1.1_20250829-aarch64-apple-darwin.tar.xz"
           },
-          "name": "esp-19.1.2_20250312",
+          "name": "esp-20.1.1_20250829",
           "status": "recommended",
           "win64": {
-            "sha256": "0fb20439a3d1d31088e646a6f2a8c9277ac6aed858188e2afa470bdb42e13afb",
-            "size": 465651960,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/clang-esp-19.1.2_20250312-x86_64-w64-mingw32.tar.xz"
+            "sha256": "f40d7fa0efa399d129b675585355a7ef42a3492188d743e8e089b6038fcc0da1",
+            "size": 365038604,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/clang-esp-20.1.1_20250829-x86_64-w64-mingw32.tar.xz"
           }
         }
       ]
@@ -329,36 +329,36 @@
       "versions": [
         {
           "linux-amd64": {
-            "sha256": "c13b8a731beec0c2af56f94073ca17202c9e5047de4c6e61f5e3ed319d231962",
-            "size": 76164612,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/libs-clang-esp-19.1.2_20250312-x86_64-linux-gnu.tar.xz"
+            "sha256": "0128e2a86b262e3edfce026034ede07e2f45732b10c6cb8ac522c8f4c72befd8",
+            "size": 79625368,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/libs-clang-esp-20.1.1_20250829-x86_64-linux-gnu.tar.xz"
           },
           "linux-arm64": {
-            "sha256": "dcf356d2a12eaf9660aa5e91cd70df14486d4bd45f47a8025327255b2fe3ece8",
-            "size": 69938392,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/libs-clang-esp-19.1.2_20250312-aarch64-linux-gnu.tar.xz"
+            "sha256": "cca598861f999bfd408491f4288c2f381b448f9ddbdac2fb4144747329878405",
+            "size": 72943108,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/libs-clang-esp-20.1.1_20250829-aarch64-linux-gnu.tar.xz"
           },
           "linux-armhf": {
-            "sha256": "e9e110841ffdd43c7fcc57de24f501eec917a02e54f6dbf3a2069fed1017f8a8",
-            "size": 72698812,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/libs-clang-esp-19.1.2_20250312-arm-linux-gnueabihf.tar.xz"
+            "sha256": "26251ee323f616199fcef7a8ea5ee95a2cda2c1e781196ec002c49aeb99de1db",
+            "size": 75990564,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/libs-clang-esp-20.1.1_20250829-arm-linux-gnueabihf.tar.xz"
           },
           "macos": {
-            "sha256": "0ac4cf2340e766a240ae40519f404fceaea4262d5ab89292aa3a4118e6402492",
-            "size": 58104496,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/libs-clang-esp-19.1.2_20250312-x86_64-apple-darwin.tar.xz"
+            "sha256": "1c8ad98599a58c64396476ae9f66e33f408a2b2ed8ee6f8b2f0a92a5bd6bad84",
+            "size": 60626132,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/libs-clang-esp-20.1.1_20250829-x86_64-apple-darwin.tar.xz"
           },
           "macos-arm64": {
-            "sha256": "d723ce5ae431b44305c888c989e7f405446a23c13f179edc1b6939f9ba437498",
-            "size": 48707440,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/libs-clang-esp-19.1.2_20250312-aarch64-apple-darwin.tar.xz"
+            "sha256": "9582374ed7664aa46c5fc8cedde74b81ec85db9013e7ce85d01e172e92f0ac1f",
+            "size": 51084140,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/libs-clang-esp-20.1.1_20250829-aarch64-apple-darwin.tar.xz"
           },
-          "name": "esp-19.1.2_20250312",
+          "name": "esp-20.1.1_20250829",
           "status": "recommended",
           "win64": {
-            "sha256": "29e5c945f601b85dd88c29bfabfd8c592d8064e3aba01d946e0ff475e5810c17",
-            "size": 59681772,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312/libs-clang-esp-19.1.2_20250312-x86_64-w64-mingw32.tar.xz"
+            "sha256": "f4346641a38e6a9adad79c429be506b3df26540c50f39ab49dba9ad2c797a805",
+            "size": 42491440,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-20.1.1_20250829/libs-clang-esp-20.1.1_20250829-x86_64-w64-mingw32.tar.xz"
           }
         }
       ]