i386 emulator test

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@11 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/hello.c b/tests/hello.c
new file mode 100644
index 0000000..89bd15b
--- /dev/null
+++ b/tests/hello.c
@@ -0,0 +1,26 @@
+#include <asm/unistd.h>
+
+extern inline volatile void exit(int status)
+{
+  int __res;
+  __asm__ volatile ("movl %%ecx,%%ebx\n"\
+		    "int $0x80" \
+		    :  "=a" (__res) : "0" (__NR_exit),"c" ((long)(status)));
+}
+
+extern inline int write(int fd, const char * buf, int len)
+{
+  int status;
+  __asm__ volatile ("pushl %%ebx\n"\
+		    "movl %%esi,%%ebx\n"\
+		    "int $0x80\n" \
+		    "popl %%ebx\n"\
+		    : "=a" (status) \
+		    : "0" (__NR_write),"S" ((long)(fd)),"c" ((long)(buf)),"d" ((long)(len)));
+}
+
+void _startup(void)
+{
+    write(1, "Hello World\n", 12);
+    exit(0);
+}