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[Qemu-arm] [PATCH v6 6/6] tests/tcg: add linux-user semihosting smoke te
From: |
Alex Bennée |
Subject: |
[Qemu-arm] [PATCH v6 6/6] tests/tcg: add linux-user semihosting smoke test for ARM |
Date: |
Fri, 13 Sep 2019 16:18:45 +0100 |
We already use semihosting for the system stuff so this is a simple
smoke test to ensure we are working OK on linux-user.
Signed-off-by: Alex Bennée <address@hidden>
---
tests/tcg/aarch64/Makefile.target | 5 ++++
tests/tcg/arm/Makefile.target | 5 ++++
tests/tcg/arm/semihosting.c | 45 +++++++++++++++++++++++++++++++
3 files changed, 55 insertions(+)
create mode 100644 tests/tcg/arm/semihosting.c
diff --git a/tests/tcg/aarch64/Makefile.target
b/tests/tcg/aarch64/Makefile.target
index 9758f89f905..509f1afa93d 100644
--- a/tests/tcg/aarch64/Makefile.target
+++ b/tests/tcg/aarch64/Makefile.target
@@ -21,4 +21,9 @@ run-fcvt: fcvt
AARCH64_TESTS += pauth-1 pauth-2
run-pauth-%: QEMU_OPTS += -cpu max
+# Semihosting smoke test for linux-user
+AARCH64_TESTS += semihosting
+run-semihosting: semihosting
+ $(call run-test,$<,$(QEMU) $< 2> $<.err, "$< on $(TARGET_NAME)")
+
TESTS += $(AARCH64_TESTS)
diff --git a/tests/tcg/arm/Makefile.target b/tests/tcg/arm/Makefile.target
index 7347d3d0adb..3b7fc9a64be 100644
--- a/tests/tcg/arm/Makefile.target
+++ b/tests/tcg/arm/Makefile.target
@@ -27,6 +27,11 @@ run-fcvt: fcvt
$(call run-test,fcvt,$(QEMU) $<,"$< on $(TARGET_NAME)")
$(call diff-out,fcvt,$(ARM_SRC)/fcvt.ref)
+# Semihosting smoke test for linux-user
+ARM_TESTS += semihosting
+run-semihosting: semihosting
+ $(call run-test,$<,$(QEMU) $< 2> $<.err, "$< on $(TARGET_NAME)")
+
TESTS += $(ARM_TESTS)
# On ARM Linux only supports 4k pages
diff --git a/tests/tcg/arm/semihosting.c b/tests/tcg/arm/semihosting.c
new file mode 100644
index 00000000000..09c89cb481a
--- /dev/null
+++ b/tests/tcg/arm/semihosting.c
@@ -0,0 +1,45 @@
+/*
+ * linux-user semihosting checks
+ *
+ * Copyright (c) 2019
+ * Written by Alex Bennée <address@hidden>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include <stdint.h>
+
+#define SYS_WRITE0 0x04
+#define SYS_REPORTEXC 0x18
+
+void __semi_call(uintptr_t type, uintptr_t arg0)
+{
+#if defined(__arm__)
+ register uintptr_t t asm("r0") = type;
+ register uintptr_t a0 asm("r1") = arg0;
+ asm("svc 0xab"
+ : /* no return */
+ : "r" (t), "r" (a0));
+#else
+ register uintptr_t t asm("x0") = type;
+ register uintptr_t a0 asm("x1") = arg0;
+ asm("hlt 0xf000"
+ : /* no return */
+ : "r" (t), "r" (a0));
+#endif
+}
+
+int main(int argc, char *argv[argc])
+{
+#if defined(__arm__)
+ uintptr_t exit_code = 0x20026;
+#else
+ uintptr_t exit_block[2] = {0x20026, 0};
+ uintptr_t exit_code = (uintptr_t) &exit_block;
+#endif
+
+ __semi_call(SYS_WRITE0, (uintptr_t) "Hello World");
+ __semi_call(SYS_REPORTEXC, exit_code);
+ /* if we get here we failed */
+ return -1;
+}
--
2.20.1
- [Qemu-arm] [PATCH v6 0/6] semihosting cleanups (plus minor tests/tcg tweak), Alex Bennée, 2019/09/13
- [Qemu-arm] [PATCH v6 1/6] tests/tcg: clean-up some comments after the de-tangling, Alex Bennée, 2019/09/13
- [Qemu-arm] [PATCH v6 2/6] target/arm: handle M-profile semihosting at translate time, Alex Bennée, 2019/09/13
- [Qemu-arm] [PATCH v6 3/6] target/arm: handle A-profile semihosting at translate time, Alex Bennée, 2019/09/13
- [Qemu-arm] [PATCH v6 5/6] target/arm: remove run-time semihosting checks for linux-user, Alex Bennée, 2019/09/13
- [Qemu-arm] [PATCH v6 4/6] target/arm: remove run time semihosting checks, Alex Bennée, 2019/09/13
- [Qemu-arm] [PATCH v6 6/6] tests/tcg: add linux-user semihosting smoke test for ARM,
Alex Bennée <=
- Re: [Qemu-arm] [PATCH v6 0/6] semihosting cleanups (plus minor tests/tcg tweak), Peter Maydell, 2019/09/17