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kernel: add aarch64 architecture support

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-01-10 17:26:26 +02:00
parent 07abdd9f6c
commit e6933acfb0
62 changed files with 1009 additions and 299 deletions
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25
tools/gcc.patch
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@ -104,10 +104,10 @@ index 95c91ee02..cbcaac06b 100644
;;
diff --git a/gcc/config/aarch64/aarch64-fennix.h b/gcc/config/aarch64/aarch64-fennix.h
new file mode 100644
index 000000000..dafd8f253
index 000000000..cf9b0136e
--- /dev/null
+++ b/gcc/config/aarch64/aarch64-fennix.h
@@ -0,0 +1,34 @@
@@ -0,0 +1,23 @@
+/* Definitions for AArch64 running Fennix
+ Copyright (C) 2016-2024 Free Software Foundation, Inc.
+
@ -130,17 +130,6 @@ index 000000000..dafd8f253
+#ifndef GCC_AARCH64_FENNIX_H
+#define GCC_AARCH64_FENNIX_H
+
+// #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+
+// #undef TARGET_BINDS_LOCAL_P
+// #define TARGET_BINDS_LOCAL_P default_binds_local_p_2
+
+// #undef MCOUNT_NAME
+// #define MCOUNT_NAME ".mcount"
+
+// #undef ASM_GENERATE_INTERNAL_LABEL
+// #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) sprintf(LABEL, "*.L%s%lu", PREFIX, (unsigned long)(NUM))
+
+#endif /* GCC_AARCH64_FENNIX_H */
diff --git a/gcc/config/aarch64/t-aarch64-fennix b/gcc/config/aarch64/t-aarch64-fennix
new file mode 100644
@ -304,14 +293,15 @@ index 000000000..632634dac
+MULTILIB_OPTIONS += mno-red-zone
+MULTILIB_DIRNAMES += no-red-zone
diff --git a/libgcc/config.host b/libgcc/config.host
index e75a7af64..572fff51e 100644
index e75a7af64..10d8017b0 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -418,6 +418,14 @@ aarch64*-*-elf | aarch64*-*-rtems*)
@@ -418,6 +418,15 @@ aarch64*-*-elf | aarch64*-*-rtems*)
tmake_file="${tmake_file} t-dfprules"
md_unwind_header=aarch64/aarch64-unwind.h
;;
+aarch64*-*-fennix*)
+ extra_parts="$extra_parts crti.o crtn.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
+ extra_parts="$extra_parts crtfastmath.o"
+ tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
+ tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
@ -322,7 +312,7 @@ index e75a7af64..572fff51e 100644
aarch64*-*-freebsd*)
extra_parts="$extra_parts crtfastmath.o"
tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
@@ -512,6 +520,12 @@ arm-wrs-vxworks7*)
@@ -512,6 +521,13 @@ arm-wrs-vxworks7*)
unwind_header=config/arm/unwind-arm.h
extra_parts="$extra_parts crti.o crtn.o"
;;
@ -331,11 +321,12 @@ index e75a7af64..572fff51e 100644
+ tmake_file="${tmake_file} t-softfp-sfdf t-softfp-excl arm/t-softfp t-softfp"
+ tm_file="${tm_file} arm/bpabi-lib.h"
+ unwind_header=config/arm/unwind-arm.h
+ extra_parts="$extra_parts crti.o crtn.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
+ ;;
arm*-*-freebsd*) # ARM FreeBSD EABI
tmake_file="${tmake_file} arm/t-arm t-fixedpoint-gnu-prefix arm/t-elf"
tmake_file="${tmake_file} arm/t-bpabi arm/t-freebsd"
@@ -760,6 +774,14 @@ x86_64-*-dragonfly*)
@@ -760,6 +776,14 @@ x86_64-*-dragonfly*)
tmake_file="${tmake_file} i386/t-dragonfly i386/t-crtstuff"
md_unwind_header=i386/dragonfly-unwind.h
;;