diff options
Diffstat (limited to 'tests/tcg/arm')
| -rw-r--r-- | tests/tcg/arm/Makefile.target | 5 | ||||
| -rw-r--r-- | tests/tcg/arm/semihosting.c | 45 |
2 files changed, 50 insertions, 0 deletions
diff --git a/tests/tcg/arm/Makefile.target b/tests/tcg/arm/Makefile.target index 7347d3d0ad..3b7fc9a64b 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 0000000000..09c89cb481 --- /dev/null +++ b/tests/tcg/arm/semihosting.c @@ -0,0 +1,45 @@ +/* + * linux-user semihosting checks + * + * Copyright (c) 2019 + * Written by Alex Bennée <alex.bennee@linaro.org> + * + * 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; +} |