diff options
Diffstat (limited to 'src/thread/powerpc64/syscall_cp.s')
| -rw-r--r-- | src/thread/powerpc64/syscall_cp.s | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/thread/powerpc64/syscall_cp.s b/src/thread/powerpc64/syscall_cp.s new file mode 100644 index 00000000..d420dbde --- /dev/null +++ b/src/thread/powerpc64/syscall_cp.s @@ -0,0 +1,37 @@ + .global __cp_begin + .hidden __cp_begin + .global __cp_end + .hidden __cp_end + .global __cp_cancel + .hidden __cp_cancel + .hidden __cancel + .global __syscall_cp_asm + .hidden __syscall_cp_asm + .text + .type __syscall_cp_asm,%function +__syscall_cp_asm: + # at enter: r3 = pointer to self->cancel, r4: syscall no, r5: first arg, r6: 2nd, r7: 3rd, r8: 4th, r9: 5th, r10: 6th +__cp_begin: + # if (self->cancel) goto __cp_cancel + lwz 0, 0(3) + cmpwi cr7, 0, 0 + bne- cr7, __cp_cancel + + # make syscall + mr 0, 4 + mr 3, 5 + mr 4, 6 + mr 5, 7 + mr 6, 8 + mr 7, 9 + mr 8, 10 + sc + +__cp_end: + # return error ? -r3 : r3 + bnslr+ + neg 3, 3 + blr + +__cp_cancel: + b __cancel |