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| author | Daniel Cederman <cederman@gaisler.com> | 2017-12-19 13:37:08 +0100 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2021-03-07 16:08:22 +0100 |
| commit | 980cdb82a70c948b8531d99c3d1868725f503aa0 (patch) | |
| tree | c790e97ee5033ed8dc8c70e0dde5913a6303bcc8 | |
| parent | powerpc/beatnik/net: Remove unused files (diff) | |
| download | rtems-980cdb82a70c948b8531d99c3d1868725f503aa0.tar.bz2 | |
sparc: Remove sequences that the B2BST scan script warns about
Update #4154.
| -rw-r--r-- | cpukit/score/cpu/sparc/cpu_asm.S | 6 | ||||
| -rw-r--r-- | cpukit/score/cpu/sparc/syscall.S | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/cpukit/score/cpu/sparc/cpu_asm.S b/cpukit/score/cpu/sparc/cpu_asm.S index d5afd5f7b0..bfad3fbc46 100644 --- a/cpukit/score/cpu/sparc/cpu_asm.S +++ b/cpukit/score/cpu/sparc/cpu_asm.S @@ -683,11 +683,13 @@ isr_dispatch: cmp %l6, %l7 bne,a .Ldisable_fp andn %l0, %l5, %l0 + st %g0, [%g6 + SPARC_PER_CPU_FP_OWNER_OFFSET] ba .Lthread_dispatch_done - st %g0, [%g6 + SPARC_PER_CPU_FP_OWNER_OFFSET] + nop .Ldisable_fp: + st %l0, [%fp + ISF_PSR_OFFSET] ba .Lthread_dispatch_done - st %l0, [%fp + ISF_PSR_OFFSET] + nop .Lnon_fp_thread_dispatch: #elif defined(SPARC_USE_SYNCHRONOUS_FP_SWITCH) /* Test if we interrupted a floating point thread (PSR[EF] == 1) */ diff --git a/cpukit/score/cpu/sparc/syscall.S b/cpukit/score/cpu/sparc/syscall.S index 4f4ef32c53..737a501098 100644 --- a/cpukit/score/cpu/sparc/syscall.S +++ b/cpukit/score/cpu/sparc/syscall.S @@ -218,9 +218,10 @@ SYM(syscall_lazy_fp_switch): .Lfp_save_done: /* Restore the floating point context if necessary */ + st %g0, [%l4 + %lo(SPARC_THREAD_CONTROL_REGISTERS_FP_CONTEXT_OFFSET)] cmp %l6, 0 be .Lfp_restore_done - st %g0, [%l4 + %lo(SPARC_THREAD_CONTROL_REGISTERS_FP_CONTEXT_OFFSET)] + nop ldd [%l6 + SPARC_FP_CONTEXT_OFFSET_F0_F1], %f0 ldd [%l6 + SPARC_FP_CONTEXT_OFFSET_F2_F3], %f2 ldd [%l6 + SPARC_FP_CONTEXT_OFFSET_F4_F5], %f4 |