[kvm-unit-tests PATCH] riscv: sbi: Prepare for assembly entry points

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From: James Raphael Tiovalen <jamestiotio@xxxxxxxxx>

The HSM tests will need to test HSM start and resumption from HSM
suspend. Prepare for these tests, as well other tests, such as the
SUSP resume tests, by providing an assembly file for SBI tests.

Signed-off-by: James Raphael Tiovalen <jamestiotio@xxxxxxxxx>
Signed-off-by: Andrew Jones <andrew.jones@xxxxxxxxx>
---
 riscv/Makefile    |  3 ++-
 riscv/sbi-asm.S   | 12 ++++++++++++
 riscv/sbi-tests.h |  6 ++++++
 3 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 riscv/sbi-asm.S
 create mode 100644 riscv/sbi-tests.h

diff --git a/riscv/Makefile b/riscv/Makefile
index 22fd273acac3..734441f94dad 100644
--- a/riscv/Makefile
+++ b/riscv/Makefile
@@ -43,6 +43,7 @@ cflatobjs += lib/riscv/timer.o
 ifeq ($(ARCH),riscv32)
 cflatobjs += lib/ldiv32.o
 endif
+cflatobjs += riscv/sbi-asm.o
 
 ########################################
 
@@ -82,7 +83,7 @@ CFLAGS += -mcmodel=medany
 CFLAGS += -std=gnu99
 CFLAGS += -ffreestanding
 CFLAGS += -O2
-CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -I lib
+CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -I lib -I $(SRCDIR)/riscv
 
 asm-offsets = lib/riscv/asm-offsets.h
 include $(SRCDIR)/scripts/asm-offsets.mak
diff --git a/riscv/sbi-asm.S b/riscv/sbi-asm.S
new file mode 100644
index 000000000000..fbf97cab39c8
--- /dev/null
+++ b/riscv/sbi-asm.S
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Helper assembly code routines for RISC-V SBI extension tests.
+ *
+ * Copyright (C) 2024, James Raphael Tiovalen <jamestiotio@xxxxxxxxx>
+ */
+#define __ASSEMBLY__
+
+#include "sbi-tests.h"
+
+.section .text
+
diff --git a/riscv/sbi-tests.h b/riscv/sbi-tests.h
new file mode 100644
index 000000000000..c28046f7cfbd
--- /dev/null
+++ b/riscv/sbi-tests.h
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _RISCV_SBI_TESTS_H_
+#define _RISCV_SBI_TESTS_H_
+
+
+#endif /* _RISCV_SBI_TESTS_H_ */
-- 
2.47.0





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