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yuanz pushed a commit to branch release-v0.3.0
in repository 
https://gitbox.apache.org/repos/asf/incubator-teaclave-trustzone-sdk.git

commit a7ce5812532bc67dbdedbf021412dfe4bb710b6d
Author: Yuan Zhuang <[email protected]>
AuthorDate: Wed Jun 26 08:38:03 2024 +0000

    Add support for ARM32
---
 .cargo/config.toml                                         | 4 ++--
 .licenserc.yaml                                            | 2 +-
 Makefile                                                   | 2 +-
 arm-unknown-optee-trustzone.json => arm-unknown-optee.json | 6 +++---
 environment                                                | 7 ++++---
 examples/acipher-rs/ta/Makefile                            | 2 +-
 examples/aes-rs/ta/Makefile                                | 2 +-
 examples/authentication-rs/ta/Makefile                     | 2 +-
 examples/big_int-rs/ta/Makefile                            | 2 +-
 examples/diffie_hellman-rs/ta/Makefile                     | 2 +-
 examples/digest-rs/ta/Makefile                             | 2 +-
 examples/hello_world-rs/ta/Makefile                        | 2 +-
 examples/hotp-rs/ta/Makefile                               | 2 +-
 examples/message_passing_interface-rs/ta/Makefile          | 2 +-
 examples/random-rs/ta/Makefile                             | 2 +-
 examples/secure_storage-rs/ta/Makefile                     | 2 +-
 examples/serde-rs/ta/Makefile                              | 2 +-
 examples/signature_verification-rs/ta/Makefile             | 2 +-
 examples/supp_plugin-rs/ta/Makefile                        | 2 +-
 examples/tcp_client-rs/ta/Makefile                         | 2 +-
 examples/time-rs/ta/Makefile                               | 2 +-
 examples/tls_client-rs/ta/Makefile                         | 2 +-
 examples/tls_server-rs/ta/Makefile                         | 2 +-
 examples/udp_socket-rs/ta/Makefile                         | 2 +-
 24 files changed, 30 insertions(+), 29 deletions(-)

diff --git a/.cargo/config.toml b/.cargo/config.toml
index f186993..88f442a 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -35,7 +35,7 @@ rustflags = [
 linker = "aarch64-linux-gnu-gcc"
 ar = "aarch64-linux-gnu-gcc-ar"
 
-[target.arm-unknown-optee-trustzone]
+[target.arm-unknown-optee]
 linker = "arm-linux-gnueabihf-ld.bfd"
 ar = "arm-linux-gnueabihf-ar"
 rustflags = [
@@ -44,7 +44,7 @@ rustflags = [
     "-C", "link-arg=-Tta.lds",
     "-C", "link-arg=--sort-section=alignment",
     "-C", "link-arg=-pie",
-    "-C", "link-dead-code",
+#    "-C", "link-dead-code",
 ]
 
 [target.arm-unknown-linux-gnueabihf]
diff --git a/.licenserc.yaml b/.licenserc.yaml
index 021768d..b968cf5 100644
--- a/.licenserc.yaml
+++ b/.licenserc.yaml
@@ -29,7 +29,7 @@ header:
     - '**/Cargo.lock'
     - '**/*.lds'
     - 'aarch64-unknown-optee.json'
-    - 'arm-unknown-optee-trustzone.json'
+    - 'arm-unknown-optee.json'
     - 'KEYS'
     - 'DISCLAIMER-WIP'
     - '.gitmodules'
diff --git a/Makefile b/Makefile
index 2786279..f614a9d 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,7 @@ else
        VENDOR := qemu.mk
        ARCH_CROSS_COMPILE := 
$(OPTEE_PATH)/toolchains/aarch32/bin/arm-linux-gnueabihf-
        HOST_TARGET := arm-unknown-linux-gnueabihf
-       TA_TARGET := arm-unknown-optee-trustzone
+       TA_TARGET := arm-unknown-optee
 endif
 
 all: toolchains optee-os optee-client examples
diff --git a/arm-unknown-optee-trustzone.json b/arm-unknown-optee.json
similarity index 78%
rename from arm-unknown-optee-trustzone.json
rename to arm-unknown-optee.json
index d271a94..79cf125 100644
--- a/arm-unknown-optee-trustzone.json
+++ b/arm-unknown-optee.json
@@ -1,8 +1,7 @@
 {
   "arch": "arm",
-  "data-layout": "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64",
+  "data-layout": "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64",
   "dynamic-linking": false,
-  "env": "trustzone",
   "executables": true,
   "features": "+strict-align,+v6,+vfp2",
   "has-rpath": true,
@@ -17,5 +16,6 @@
   "target-endian": "little",
   "target-pointer-width": "32",
   "vendor": "unknown",
-  "panic-strategy": "abort"
+  "panic-strategy": "abort",
+  "singlethread": true
 }
diff --git a/environment b/environment
index 5d141d2..5841b82 100644
--- a/environment
+++ b/environment
@@ -27,15 +27,16 @@ export OPTEE_CLIENT_DIR="$OPTEE_DIR/optee_client/out"
 export OPTEE_CLIENT_INCLUDE="$OPTEE_DIR/optee_client/out/export/usr/include"
 if [ "$ARCH" = "arm" ]
 then
-  export ARCH="arm"
-  export PATH=$PATH:$OPTEE_DIR/toolchains/aarch32/bin
+  # use our toolchain as the first choice
+  export PATH=$OPTEE_DIR/toolchains/aarch32/bin:$PATH
   export VENDOR="qemu.mk"
   export OPTEE_OS_INCLUDE="$OPTEE_DIR/optee_os/out/arm/export-ta_arm32/include"
   export CC=$OPTEE_DIR/toolchains/aarch32/bin/arm-linux-gnueabihf-gcc
 else
   # export ARCH="aarch64" # comment this because currently optee_os cannot be 
compiled in the aarch64 target
   unset ARCH
-  export PATH=$PATH:$OPTEE_DIR/toolchains/aarch64/bin
+  # use our toolchain as the first choice
+  export PATH=$OPTEE_DIR/toolchains/aarch64/bin:$PATH
   export VENDOR="qemu_v8.mk"
   export OPTEE_OS_INCLUDE="$OPTEE_DIR/optee_os/out/arm/export-ta_arm64/include"
   export CC=$OPTEE_DIR/toolchains/aarch64/bin/aarch64-linux-gnu-gcc
diff --git a/examples/acipher-rs/ta/Makefile b/examples/acipher-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/acipher-rs/ta/Makefile
+++ b/examples/acipher-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/aes-rs/ta/Makefile b/examples/aes-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/aes-rs/ta/Makefile
+++ b/examples/aes-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/authentication-rs/ta/Makefile 
b/examples/authentication-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/authentication-rs/ta/Makefile
+++ b/examples/authentication-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/big_int-rs/ta/Makefile b/examples/big_int-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/big_int-rs/ta/Makefile
+++ b/examples/big_int-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/diffie_hellman-rs/ta/Makefile 
b/examples/diffie_hellman-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/diffie_hellman-rs/ta/Makefile
+++ b/examples/diffie_hellman-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/digest-rs/ta/Makefile b/examples/digest-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/digest-rs/ta/Makefile
+++ b/examples/digest-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/hello_world-rs/ta/Makefile 
b/examples/hello_world-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/hello_world-rs/ta/Makefile
+++ b/examples/hello_world-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/hotp-rs/ta/Makefile b/examples/hotp-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/hotp-rs/ta/Makefile
+++ b/examples/hotp-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/message_passing_interface-rs/ta/Makefile 
b/examples/message_passing_interface-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/message_passing_interface-rs/ta/Makefile
+++ b/examples/message_passing_interface-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/random-rs/ta/Makefile b/examples/random-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/random-rs/ta/Makefile
+++ b/examples/random-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/secure_storage-rs/ta/Makefile 
b/examples/secure_storage-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/secure_storage-rs/ta/Makefile
+++ b/examples/secure_storage-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/serde-rs/ta/Makefile b/examples/serde-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/serde-rs/ta/Makefile
+++ b/examples/serde-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/signature_verification-rs/ta/Makefile 
b/examples/signature_verification-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/signature_verification-rs/ta/Makefile
+++ b/examples/signature_verification-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/supp_plugin-rs/ta/Makefile 
b/examples/supp_plugin-rs/ta/Makefile
index 474b631..cf6a722 100644
--- a/examples/supp_plugin-rs/ta/Makefile
+++ b/examples/supp_plugin-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/tcp_client-rs/ta/Makefile 
b/examples/tcp_client-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/tcp_client-rs/ta/Makefile
+++ b/examples/tcp_client-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/time-rs/ta/Makefile b/examples/time-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/time-rs/ta/Makefile
+++ b/examples/time-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/tls_client-rs/ta/Makefile 
b/examples/tls_client-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/tls_client-rs/ta/Makefile
+++ b/examples/tls_client-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/tls_server-rs/ta/Makefile 
b/examples/tls_server-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/tls_server-rs/ta/Makefile
+++ b/examples/tls_server-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py
diff --git a/examples/udp_socket-rs/ta/Makefile 
b/examples/udp_socket-rs/ta/Makefile
index 1c64ba3..bc22657 100644
--- a/examples/udp_socket-rs/ta/Makefile
+++ b/examples/udp_socket-rs/ta/Makefile
@@ -26,7 +26,7 @@ ifeq ($(ARCH), arm)
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm32/scripts/sign_encrypt.py
        OPTEE_BIN := $(OPTEE_DIR)/toolchains/aarch32/bin
        OBJCOPY := $(OPTEE_BIN)/arm-linux-gnueabihf-objcopy
-       TARGET := arm-unknown-optee-trustzone
+       TARGET := arm-unknown-optee
 else
        TA_SIGN_KEY ?= 
$(OPTEE_OS_DIR)/out/arm/export-ta_arm64/keys/default_ta.pem
        SIGN := $(OPTEE_OS_DIR)/out/arm/export-ta_arm64/scripts/sign_encrypt.py


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