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Add Backend Support for LoongArch64 #1903

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Add Backend Support for LoongArch64 #1903

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b957324
start loongarch compile
zhaodongru Oct 23, 2023
2d9587f
fix: fix tcg_out_dupi_vec interface conflicts
tyssjhx Nov 1, 2023
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11 changes: 11 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,11 @@ else()
set(UNICORN_TARGET_ARCH "tricore")
break()
endif()
string(FIND ${UC_COMPILER_MACRO} "loongarch64" UC_RET)
if (${UC_RET} GREATER_EQUAL "0")
set(UNICORN_TARGET_ARCH "loongarch64")
break()
endif()
message(FATAL_ERROR "Unknown host compiler: ${CMAKE_C_COMPILER}.")
endwhile(TRUE)
endif()
Expand Down Expand Up @@ -315,6 +320,12 @@ else()
set(TARGET_LIST "${TARGET_LIST} ")

# GEN config-host.mak & target directories
# MESSAGE(STATUS "sh ${CMAKE_CURRENT_SOURCE_DIR}/qemu/configure
# --cc=${CMAKE_C_COMPILER}
# ${EXTRA_CFLAGS}
# ${TARGET_LIST}
# WORKING_DIRECTORY ${CMAKE_BINARY_DIR}"
# )
execute_process(COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/qemu/configure
--cc=${CMAKE_C_COMPILER}
${EXTRA_CFLAGS}
Expand Down
16 changes: 16 additions & 0 deletions qemu/configure
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Original file line number Diff line number Diff line change
Expand Up @@ -491,6 +491,8 @@ elif check_define __aarch64__ ; then
cpu="aarch64"
elif check_define __tricore__ ; then
cpu="tricore"
elif check_define __loongarch64 ; then
cpu="loongarch64"
else
cpu=$(uname -m)
fi
Expand Down Expand Up @@ -534,6 +536,10 @@ case "$cpu" in
cpu="tricore"
supported_cpu="yes"
;;
loongarch64)
cpu="loongarch64"
supported_cpu="yes"
;;
*)
# This will result in either an error or falling back to TCI later
ARCH=unknown
Expand Down Expand Up @@ -844,6 +850,11 @@ case "$cpu" in
CPU_CFLAGS="-m64 -mcx16"
QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
loongarch*)
CPU_CFLAGS=""
QEMU_LDFLAGS=" $QEMU_LDFLAGS"
;;

x32)
CPU_CFLAGS="-mx32"
QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
Expand Down Expand Up @@ -2628,6 +2639,11 @@ case "$target_name" in
mttcg="yes"
TARGET_SYSTBL_ABI=i386
;;
loongarch64)
mttcg="yes"
TARGET_ARCH=loongarch64
TARGET_SYSTBL_ABI=common,64
;;
x86_64)
TARGET_BASE_ARCH=i386
TARGET_SYSTBL_ABI=common,64
Expand Down
1 change: 1 addition & 0 deletions qemu/include/elf.h
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Expand Up @@ -174,6 +174,7 @@ typedef struct mips_elf_abiflags_v0 {

#define EM_NANOMIPS 249 /* Wave Computing nanoMIPS */

#define EM_LOONGARCH 258 /* LoongArch */
/*
* This is an interim value that we will use until the committee comes
* up with a final number.
Expand Down
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