diff options
Diffstat (limited to 'arch/mips/kernel/r2300_switch.S')
| -rw-r--r-- | arch/mips/kernel/r2300_switch.S | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S index 1049eeafd97d..e57703b1de50 100644 --- a/arch/mips/kernel/r2300_switch.S +++ b/arch/mips/kernel/r2300_switch.S @@ -26,12 +26,6 @@ .align 5 /* - * Offset to the current process status flags, the first 32 bytes of the - * stack are not used. - */ -#define ST_OFF (_THREAD_SIZE - 32 - PT_SIZE + PT_STATUS) - -/* * task_struct *resume(task_struct *prev, task_struct *next, * struct thread_info *next_ti) */ @@ -68,78 +62,3 @@ LEAF(resume) move v0, a0 jr ra END(resume) - -/* - * Save a thread's fp context. - */ -LEAF(_save_fp) -EXPORT_SYMBOL(_save_fp) - fpu_save_single a0, t1 # clobbers t1 - jr ra - END(_save_fp) - -/* - * Restore a thread's fp context. - */ -LEAF(_restore_fp) - fpu_restore_single a0, t1 # clobbers t1 - jr ra - END(_restore_fp) - -/* - * Load the FPU with signalling NANS. This bit pattern we're using has - * the property that no matter whether considered as single or as double - * precision represents signaling NANS. - * - * The value to initialize fcr31 to comes in $a0. - */ - - .set push - SET_HARDFLOAT - -LEAF(_init_fpu) - mfc0 t0, CP0_STATUS - li t1, ST0_CU1 - or t0, t1 - mtc0 t0, CP0_STATUS - - ctc1 a0, fcr31 - - li t0, -1 - - mtc1 t0, $f0 - mtc1 t0, $f1 - mtc1 t0, $f2 - mtc1 t0, $f3 - mtc1 t0, $f4 - mtc1 t0, $f5 - mtc1 t0, $f6 - mtc1 t0, $f7 - mtc1 t0, $f8 - mtc1 t0, $f9 - mtc1 t0, $f10 - mtc1 t0, $f11 - mtc1 t0, $f12 - mtc1 t0, $f13 - mtc1 t0, $f14 - mtc1 t0, $f15 - mtc1 t0, $f16 - mtc1 t0, $f17 - mtc1 t0, $f18 - mtc1 t0, $f19 - mtc1 t0, $f20 - mtc1 t0, $f21 - mtc1 t0, $f22 - mtc1 t0, $f23 - mtc1 t0, $f24 - mtc1 t0, $f25 - mtc1 t0, $f26 - mtc1 t0, $f27 - mtc1 t0, $f28 - mtc1 t0, $f29 - mtc1 t0, $f30 - mtc1 t0, $f31 - jr ra - END(_init_fpu) - - .set pop |