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-rw-r--r--module/lua/ldo.c2
-rw-r--r--module/lua/setjmp/setjmp.S2
-rw-r--r--module/lua/setjmp/setjmp_rv64g.S91
3 files changed, 95 insertions, 0 deletions
diff --git a/module/lua/ldo.c b/module/lua/ldo.c
index 3b0ece171..ecdb80020 100644
--- a/module/lua/ldo.c
+++ b/module/lua/ldo.c
@@ -63,6 +63,8 @@
#define JMP_BUF_CNT 12
#elif defined(__s390x__)
#define JMP_BUF_CNT 18
+#elif defined(__riscv)
+#define JMP_BUF_CNT 64
#else
#define JMP_BUF_CNT 1
#endif
diff --git a/module/lua/setjmp/setjmp.S b/module/lua/setjmp/setjmp.S
index 8d06d3f8c..1f461a0a4 100644
--- a/module/lua/setjmp/setjmp.S
+++ b/module/lua/setjmp/setjmp.S
@@ -14,4 +14,6 @@
#include "setjmp_mips.S"
#elif defined(__s390x__)
#include "setjmp_s390x.S"
+#elif defined(__riscv)
+#include "setjmp_rv64g.S"
#endif
diff --git a/module/lua/setjmp/setjmp_rv64g.S b/module/lua/setjmp/setjmp_rv64g.S
new file mode 100644
index 000000000..7f6c50d25
--- /dev/null
+++ b/module/lua/setjmp/setjmp_rv64g.S
@@ -0,0 +1,91 @@
+/*-
+ * Copyright (c) 2015-2016 Ruslan Bukin <[email protected]>
+ * All rights reserved.
+ *
+ * Portions of this software were developed by SRI International and the
+ * University of Cambridge Computer Laboratory under DARPA/AFRL contract
+ * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * Portions of this software were developed by the University of Cambridge
+ * Computer Laboratory as part of the CTSRD Project, with support from the
+ * UK Higher Education Innovation Fund (HEIF).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#define ENTRY(sym) \
+ .text; .globl sym; .type sym,@function; sym:
+#define END(sym) .size sym, . - sym
+
+
+ENTRY(setjmp)
+ /* Store the stack pointer */
+ sd sp, (0 * 8)(a0)
+ addi a0, a0, (1 * 8)
+
+ /* Store the general purpose registers and ra */
+ sd s0, (0 * 8)(a0)
+ sd s1, (1 * 8)(a0)
+ sd s2, (2 * 8)(a0)
+ sd s3, (3 * 8)(a0)
+ sd s4, (4 * 8)(a0)
+ sd s5, (5 * 8)(a0)
+ sd s6, (6 * 8)(a0)
+ sd s7, (7 * 8)(a0)
+ sd s8, (8 * 8)(a0)
+ sd s9, (9 * 8)(a0)
+ sd s10, (10 * 8)(a0)
+ sd s11, (11 * 8)(a0)
+ sd ra, (12 * 8)(a0)
+ addi a0, a0, (13 * 8)
+
+ /* Return value */
+ li a0, 0
+ ret
+END(setjmp)
+
+ENTRY(longjmp)
+ /* Restore the stack pointer */
+ ld t0, 0(a0)
+ mv sp, t0
+ addi a0, a0, (1 * 8)
+
+ /* Restore the general purpose registers and ra */
+ ld s0, (0 * 8)(a0)
+ ld s1, (1 * 8)(a0)
+ ld s2, (2 * 8)(a0)
+ ld s3, (3 * 8)(a0)
+ ld s4, (4 * 8)(a0)
+ ld s5, (5 * 8)(a0)
+ ld s6, (6 * 8)(a0)
+ ld s7, (7 * 8)(a0)
+ ld s8, (8 * 8)(a0)
+ ld s9, (9 * 8)(a0)
+ ld s10, (10 * 8)(a0)
+ ld s11, (11 * 8)(a0)
+ ld ra, (12 * 8)(a0)
+ addi a0, a0, (13 * 8)
+
+ /* Load the return value */
+ mv a0, a1
+ ret
+END(longjmp)