diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/Makefile | 7 | ||||
| -rw-r--r-- | tests/hello-mips.c | 64 |
2 files changed, 71 insertions, 0 deletions
diff --git a/tests/Makefile b/tests/Makefile index d7abae69e3..f803f6a652 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -82,6 +82,13 @@ hello-arm: hello-arm.o hello-arm.o: hello-arm.c arm-linux-gcc -Wall -g -O2 -c -o $@ $< +# MIPS test +hello-mips: hello-mips.c + mips-linux-gnu-gcc -nostdlib -static -mno-abicalls -fno-PIC -mabi=32 -Wall -Wextra -g -O2 -o $@ $< + +hello-mipsel: hello-mips.c + mipsel-linux-gnu-gcc -nostdlib -static -mno-abicalls -fno-PIC -mabi=32 -Wall -Wextra -g -O2 -o $@ $< + # XXX: find a way to compile easily a test for each arch test2: @for arch in i386 arm armeb sparc ppc mips mipsel; do \ diff --git a/tests/hello-mips.c b/tests/hello-mips.c new file mode 100644 index 0000000000..f8256730dd --- /dev/null +++ b/tests/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); +} |