From e54def4ad8144ab15f826416e2e0f290ef1901b4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 19 Jun 2024 23:00:30 +0200
Subject: Adding upstream version 6.9.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/testing/selftests/kvm/lib/riscv/handlers.S | 101 +++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 tools/testing/selftests/kvm/lib/riscv/handlers.S

(limited to 'tools/testing/selftests/kvm/lib/riscv/handlers.S')

diff --git a/tools/testing/selftests/kvm/lib/riscv/handlers.S b/tools/testing/selftests/kvm/lib/riscv/handlers.S
new file mode 100644
index 0000000000..aa0abd3f35
--- /dev/null
+++ b/tools/testing/selftests/kvm/lib/riscv/handlers.S
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023 Intel Corporation
+ */
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__
+#endif
+
+#include <asm/csr.h>
+
+.macro save_context
+	addi  sp, sp, (-8*34)
+	sd    x1, 0(sp)
+	sd    x2, 8(sp)
+	sd    x3, 16(sp)
+	sd    x4, 24(sp)
+	sd    x5, 32(sp)
+	sd    x6, 40(sp)
+	sd    x7, 48(sp)
+	sd    x8, 56(sp)
+	sd    x9, 64(sp)
+	sd    x10, 72(sp)
+	sd    x11, 80(sp)
+	sd    x12, 88(sp)
+	sd    x13, 96(sp)
+	sd    x14, 104(sp)
+	sd    x15, 112(sp)
+	sd    x16, 120(sp)
+	sd    x17, 128(sp)
+	sd    x18, 136(sp)
+	sd    x19, 144(sp)
+	sd    x20, 152(sp)
+	sd    x21, 160(sp)
+	sd    x22, 168(sp)
+	sd    x23, 176(sp)
+	sd    x24, 184(sp)
+	sd    x25, 192(sp)
+	sd    x26, 200(sp)
+	sd    x27, 208(sp)
+	sd    x28, 216(sp)
+	sd    x29, 224(sp)
+	sd    x30, 232(sp)
+	sd    x31, 240(sp)
+	csrr  s0, CSR_SEPC
+	csrr  s1, CSR_SSTATUS
+	csrr  s2, CSR_SCAUSE
+	sd    s0, 248(sp)
+	sd    s1, 256(sp)
+	sd    s2, 264(sp)
+.endm
+
+.macro restore_context
+	ld    s2, 264(sp)
+	ld    s1, 256(sp)
+	ld    s0, 248(sp)
+	csrw  CSR_SCAUSE, s2
+	csrw  CSR_SSTATUS, s1
+	csrw  CSR_SEPC, s0
+	ld    x31, 240(sp)
+	ld    x30, 232(sp)
+	ld    x29, 224(sp)
+	ld    x28, 216(sp)
+	ld    x27, 208(sp)
+	ld    x26, 200(sp)
+	ld    x25, 192(sp)
+	ld    x24, 184(sp)
+	ld    x23, 176(sp)
+	ld    x22, 168(sp)
+	ld    x21, 160(sp)
+	ld    x20, 152(sp)
+	ld    x19, 144(sp)
+	ld    x18, 136(sp)
+	ld    x17, 128(sp)
+	ld    x16, 120(sp)
+	ld    x15, 112(sp)
+	ld    x14, 104(sp)
+	ld    x13, 96(sp)
+	ld    x12, 88(sp)
+	ld    x11, 80(sp)
+	ld    x10, 72(sp)
+	ld    x9, 64(sp)
+	ld    x8, 56(sp)
+	ld    x7, 48(sp)
+	ld    x6, 40(sp)
+	ld    x5, 32(sp)
+	ld    x4, 24(sp)
+	ld    x3, 16(sp)
+	ld    x2, 8(sp)
+	ld    x1, 0(sp)
+	addi  sp, sp, (8*34)
+.endm
+
+.balign 4
+.global exception_vectors
+exception_vectors:
+	save_context
+	move  a0, sp
+	call  route_exception
+	restore_context
+	sret
-- 
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