Add qemu 2.4.0

[kvmfornfv.git] / qemu / tests / tcg / hello-mips.c

diff --git a/qemu/tests/tcg/hello-mips.c b/qemu/tests/tcg/hello-mips.c
new file mode 100644 (file)
index 0000000..f825673
--- /dev/null
+++ b/qemu/tests/tcg/hello-mips.c
@@ -0,0 +1,64 @@
+/*
+* MIPS o32 Linux syscall example
+*
+* http://www.linux-mips.org/wiki/RISC/os
+* http://www.linux-mips.org/wiki/MIPSABIHistory
+* http://www.linux.com/howtos/Assembly-HOWTO/mips.shtml
+*
+* mipsel-linux-gcc -nostdlib -mno-abicalls -fno-PIC -mabi=32 \
+*                  -O2 -static -o hello-mips hello-mips.c
+*
+*/
+#define __NR_SYSCALL_BASE      4000
+#define __NR_exit                      (__NR_SYSCALL_BASE+  1)
+#define __NR_write                     (__NR_SYSCALL_BASE+  4)
+
+static inline void exit1(int status)
+{
+    register unsigned long __a0 asm("$4") = (unsigned long) status;
+
+    __asm__ __volatile__ (
+        "      .set push       \n"
+        "      .set noreorder  \n"
+        "      li      $2, %0  \n"
+        "      syscall         \n"
+        "      .set pop        "
+        :
+       : "i" (__NR_exit), "r" (__a0)
+       : "$2", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24",
+         "memory");
+}
+
+static inline int write(int fd, const char *buf, int len)
+{
+    register unsigned long __a0 asm("$4") = (unsigned long) fd;
+    register unsigned long __a1 asm("$5") = (unsigned long) buf;
+    register unsigned long __a2 asm("$6") = (unsigned long) len;
+    register unsigned long __a3 asm("$7");
+    unsigned long __v0;
+
+    __asm__ __volatile__ (
+        "      .set push       \n"
+        "      .set noreorder  \n"
+        "      li      $2, %2  \n"
+        "      syscall         \n"
+        "      move    %0, $2  \n"
+        "      .set pop        "
+        : "=r" (__v0), "=r" (__a3)
+        : "i" (__NR_write), "r" (__a0), "r" (__a1), "r" (__a2)
+       : "$2", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24",
+         "memory");
+
+/*    if (__a3 == 0) */
+        return (int) __v0;
+/*
+    errno = __v0;
+    return -1;
+ */
+}
+
+void __start(void)
+{
+    write (1, "Hello, World!\n", 14);
+    exit1 (42);
+}