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June 24, 2024 18:35
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| diff --git a/lib/Makefile b/lib/Makefile | |
| index db9fa63..8a1aef4 100644 | |
| --- a/lib/Makefile | |
| +++ b/lib/Makefile | |
| @@ -60,6 +60,10 @@ FILES += $(ARCH)/uldiv $(ARCH)/ldivmod $(ARCH)/div $(ARCH)/llsl $(ARCH)/llsr \ | |
| $(ARCH)/mullu | |
| endif | |
| +ifeq ($(ARCH),riscv64) | |
| +FILES += $(ARCH)/cache | |
| +endif | |
| + | |
| OBJS = $(FILES:%=%.o) ctors.o | |
| SUBDIRS = ia32 x86_64 ia64 aarch64 arm mips64el riscv64 loongarch64 runtime | |
| diff --git a/lib/riscv64/cache.S b/lib/riscv64/cache.S | |
| new file mode 100644 | |
| index 0000000..f1f5050 | |
| --- /dev/null | |
| +++ b/lib/riscv64/cache.S | |
| @@ -0,0 +1,10 @@ | |
| +#include "edk2asm.h" | |
| + | |
| + .file "cache.S" | |
| + .text | |
| + | |
| +GCC_ASM_EXPORT(__riscv_flush_icache) | |
| + | |
| +ASM_PFX(__riscv_flush_icache): | |
| + fence.i | |
| + ret | |
| diff --git a/lib/riscv64/edk2asm.h b/lib/riscv64/edk2asm.h | |
| new file mode 100644 | |
| index 0000000..9515eaf | |
| --- /dev/null | |
| +++ b/lib/riscv64/edk2asm.h | |
| @@ -0,0 +1,6 @@ | |
| + | |
| +#define ASM_PFX(x) x | |
| +#define GCC_ASM_EXPORT(x) \ | |
| + .globl x ; \ | |
| + .type x, %function | |
| + |
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