Implemented project structure

xpack-riscv-none-elf-gcc-13.4.0-1/riscv-none-elf/include/sys/asm.h

@@ -0,0 +1,50 @@
+/* Copyright (c) 2017  SiFive Inc. All rights reserved.
+
+   This copyrighted material is made available to anyone wishing to use,
+   modify, copy, or redistribute it subject to the terms and conditions
+   of the FreeBSD License.   This program is distributed in the hope that
+   it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
+   including the implied warranties of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  A copy of this license is available at
+   http://www.opensource.org/licenses.
+*/
+
+#ifndef _SYS_ASM_H
+#define _SYS_ASM_H
+
+/*
+ * Macros to handle different pointer/register sizes for 32/64-bit code
+ */
+#if __riscv_xlen == 64
+# define PTRLOG 3
+# define SZREG	8
+# define REG_S sd
+# define REG_L ld
+#elif __riscv_xlen == 32
+# define PTRLOG 2
+# define SZREG	4
+# define REG_S sw
+# define REG_L lw
+#else
+# error __riscv_xlen must equal 32 or 64
+#endif
+
+#ifndef __riscv_float_abi_soft
+/* For ABI uniformity, reserve 8 bytes for floats, even if double-precision
+   floating-point is not supported in hardware.  */
+# define SZFREG 8
+# ifdef __riscv_float_abi_single
+#  define FREG_L flw
+#  define FREG_S fsw
+# elif defined(__riscv_float_abi_double)
+#  define FREG_L fld
+#  define FREG_S fsd
+# elif defined(__riscv_float_abi_quad)
+#  define FREG_L flq
+#  define FREG_S fsq
+# else
+#  error unsupported FLEN
+# endif
+#endif
+
+#endif /* sys/asm.h */