From 558d67ec0df4bcdf495376629639ebaffd8b1fe6 Mon Sep 17 00:00:00 2001
From: jferreir <jesus.ferreira@gmail.com>
Date: Wed, 9 Oct 2024 12:12:46 +0200
Subject: [PATCH] initial support to build tricore gcc
MIME-Version: 1.0
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Add support for Tricore architecture.
TriCore architecture is optimized for real-time embedded systems.
More information can be found at AURIX™ TC3xx Architecture vol 1

https://www.infineon.com/dgdl/Infineon-AURIX_TC3xx_Architecture_vol1-UserManual-v01_00-EN.pdf?fileId=5546d46276fb756a01771bc4c2e33bdd

Signed-off-by: jferreir <jesus.ferreira@gmail.com>
---
 config/arch/tricore.in                     | 10 ++++++++
 samples/tricore-none-eabi/crosstool.config | 29 ++++++++++++++++++++++
 samples/tricore-none-eabi/reported.by      |  3 +++
 scripts/build/arch/tricore.sh              |  9 +++++++
 scripts/config.sub                         |  1 +
 5 files changed, 52 insertions(+)
 create mode 100644 config/arch/tricore.in
 create mode 100644 samples/tricore-none-eabi/crosstool.config
 create mode 100644 samples/tricore-none-eabi/reported.by
 create mode 100644 scripts/build/arch/tricore.sh

diff --git a/config/arch/tricore.in b/config/arch/tricore.in
new file mode 100644
index 00000000..cff8ca63
--- /dev/null
+++ b/config/arch/tricore.in
@@ -0,0 +1,10 @@
+# tricore specific configuration file
+
+## no-package
+## depends on EXPERIMENTAL
+##
+## select ARCH_SUPPORTS_32
+## select ARCH_SUPPORTS_BOTH_ENDIAN
+## select ARCH_DEFAULT_LE
+## select ARCH_SUPPORTS_FLAT_FORMAT
+
diff --git a/samples/tricore-none-eabi/crosstool.config b/samples/tricore-none-eabi/crosstool.config
new file mode 100644
index 00000000..7b9e2787
--- /dev/null
+++ b/samples/tricore-none-eabi/crosstool.config
@@ -0,0 +1,29 @@
+CT_CONFIG_VERSION="4"
+CT_EXPERIMENTAL=y
+CT_ARCH_TRICORE=y
+CT_TARGET_CFLAGS="-ftls-model=local-exec"
+CT_TARGET_VENDOR="none"
+CT_BINUTILS_SRC_DEVEL=y
+CT_BINUTILS_DEVEL_URL="https://github.com/EEESlab/tricore-binutils-gdb.git"
+CT_BINUTILS_DEVEL_REVISION="01caba3cd2fdc00c881703063beadb080f6d4801"
+CT_BINUTILS_V_2_40=y
+CT_BINUTILS_EXTRA_CONFIG_ARRAY="--disable-warn-rwx-segments"
+CT_NEWLIB_SRC_DEVEL=y
+CT_NEWLIB_DEVEL_URL="https://github.com/EEESlab/tricore-newlib-cygwin.git"
+CT_NEWLIB_DEVEL_REVISION="240a8f676ea923c703824e996fbe88ac4a302e17"
+CT_NEWLIB_V_4_3=y
+CT_LIBC_NEWLIB_IO_C99FMT=y
+CT_LIBC_NEWLIB_IO_LL=y
+CT_LIBC_NEWLIB_IO_FLOAT=y
+CT_LIBC_NEWLIB_IO_POS_ARGS=y
+CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS=y
+CT_LIBC_NEWLIB_REENT_SMALL=y
+CT_LIBC_NEWLIB_RETARGETABLE_LOCKING=y
+# CT_LIBC_NEWLIB_WIDE_ORIENT is not set
+CT_LIBC_NEWLIB_NANO_MALLOC=y
+CT_LIBC_NEWLIB_EXTRA_CONFIG_ARRAY="--enable-newlib-iconv --enable-newlib-reent-binary-compat"
+CT_GCC_SRC_DEVEL=y
+CT_GCC_DEVEL_URL="https://github.com/EEESlab/tricore-gcc.git"
+CT_GCC_DEVEL_REVISION="a383090685ca58596857bbe314dd4d16828e41e5"
+CT_GCC_V_13=y
+CT_CC_LANG_CXX=y
diff --git a/samples/tricore-none-eabi/reported.by b/samples/tricore-none-eabi/reported.by
new file mode 100644
index 00000000..773d44ab
--- /dev/null
+++ b/samples/tricore-none-eabi/reported.by
@@ -0,0 +1,3 @@
+reporter_name="Jesus Ferreira"
+reporter_url=""
+reporter_comment="tricore-unknown-eabi"
diff --git a/scripts/build/arch/tricore.sh b/scripts/build/arch/tricore.sh
new file mode 100644
index 00000000..1051b56f
--- /dev/null
+++ b/scripts/build/arch/tricore.sh
@@ -0,0 +1,9 @@
+# Compute tricore-specific values
+
+CT_DoArchTupleValues()
+{
+    # The architecture part of the tuple:
+    CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_SUFFIX}"
+    CT_ARCH_ENDIAN_CFLAG=""
+    CT_ARCH_ENDIAN_LDFLAG=""
+}
diff --git a/scripts/config.sub b/scripts/config.sub
index 2c6a07ab..3a5a6bb8 100755
--- a/scripts/config.sub
+++ b/scripts/config.sub
@@ -1250,6 +1250,7 @@ case $cpu-$vendor in
 			| tahoe \
 			| thumbv7* \
 			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
+			| tricore \
 			| tron \
 			| ubicom32 \
 			| v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \