A simple, tiny, statically linked armv7 'hello world' test. It uses two system calls (write and exit) and provides a basic sanity check to make sure that the arm bsd-user binary can interpret FreeBSD armv7 binaries.
Signed-off-by: Warner Losh <i...@bsdimp.com> --- tests/bsd-user-smoke/h.armv7.S | 37 ++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 tests/bsd-user-smoke/h.armv7.S diff --git a/tests/bsd-user-smoke/h.armv7.S b/tests/bsd-user-smoke/h.armv7.S new file mode 100644 index 00000000000..fe986f15ef6 --- /dev/null +++ b/tests/bsd-user-smoke/h.armv7.S @@ -0,0 +1,37 @@ +# Copyright (c) 2021 Warner Losh +# SPDX-License-Identifier: BSD-2-Clause + +#include <sys/syscall.h> +#define STDOUT_FILENO 1 + + .text + .file "hello.s" + .syntax unified + .globl qemu_start @ -- Begin function qemu_start + .p2align 2 + .type qemu_start,%function + .code 32 @ @qemu_start +qemu_start: +@ %bb.0: @ %entry + + # write(1, .L.str, sizeof(.L.str) - 1) + movw r1, :lower16:.L.str @ Load hello world + movt r1, :upper16:.L.str + ldr r0, =STDOUT_FILENO + ldr r2, =(.L.strEnd - .L.str - 1) + ldr r7, =SYS_write + swi 0 + + # _exit(0) + ldr r0, =0 @ success + ldr r7, =SYS_exit + swi 0 +.Lfunc_end0: + .size qemu_start, .Lfunc_end0-qemu_start + @ -- End function + .type .L.str,%object @ @.str + .section .rodata.str1.1,"aMS",%progbits,1 +.L.str: + .asciz "Hello World\n" +.L.strEnd: + .size .L.str, .L.strEnd - .L.str -- 2.33.0
