diff options
Diffstat (limited to 'cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S')
-rw-r--r-- | cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S b/cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S new file mode 100644 index 0000000000..fb49dc5e40 --- /dev/null +++ b/cpukit/score/cpu/microblaze/microblaze-context-volatile-clobber.S @@ -0,0 +1,28 @@ +#ifdef HAVE_CONFIG_H + #include "config.h" +#endif + +#include <rtems/asm.h> + +.text +.align 4 + +PUBLIC(_CPU_Context_volatile_clobber) + +SYM(_CPU_Context_volatile_clobber): + +.macro clobber_register reg + addi r5, r5, -1 + add \reg, r0, r5 +.endm + + clobber_register r3 + clobber_register r4 + clobber_register r6 + clobber_register r7 + clobber_register r8 + clobber_register r9 + clobber_register r10 + + rtsd r15, 8 + nop |