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[loong64] Add initial support for LoongArch64

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Add support for building a LoongArch64 Linux userspace binary.

Signed-off-by: Xiaotian Wu <wuxiaotian@loongson.cn>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Xiaotian Wu
2023-02-06 12:48:50 +00:00
committed by Michael Brown
parent 84cb774390
commit 62a1d5c0f5
35 changed files with 1539 additions and 0 deletions
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26
src/arch/loong64/Makefile Normal file
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# Assembler section type character
#
ASM_TCHAR := @
ASM_TCHAR_OPS := @
# LoongArch64-specific flags
#
CFLAGS += -fstrength-reduce -fomit-frame-pointer
CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1
# Check if -mno-explicit-relocs is valid
ifeq ($(CCTYPE),gcc)
MNER_TEST = $(CC) -mno-explicit-relocs -x c -c /dev/null -o /dev/null >/dev/null 2>&1
MNER_FLAGS := $(shell $(MNER_TEST) && $(ECHO) '-mno-explicit-relocs')
WORKAROUND_CFLAGS += $(MNER_FLAGS)
endif
# EFI requires -fshort-wchar, and nothing else currently uses wchar_t
CFLAGS += -fshort-wchar
# LoongArch64-specific directories containing source files
SRCDIRS += arch/loong64/core
# Include platform-specific Makefile
MAKEDEPS += arch/loong64/Makefile.$(PLATFORM)
include arch/loong64/Makefile.$(PLATFORM)