diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/cpu/sparc/syscall.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/cpukit/score/cpu/sparc/syscall.S b/cpukit/score/cpu/sparc/syscall.S index 603ed7a738..4f4ef32c53 100644 --- a/cpukit/score/cpu/sparc/syscall.S +++ b/cpukit/score/cpu/sparc/syscall.S @@ -241,12 +241,23 @@ SYM(syscall_lazy_fp_switch): .Lfp_restore_done: + /* + * Restore condition codes. PSR[EF] is 1 here. Take PSR write delay + * into account (maximum is three instructions). + */ + mov %l0, %psr + nop + /* Now, retry the floating point instruction with PSR[EF] == 1 */ jmp %l1 rett %l2 .Lillegal_use_of_floating_point_unit: + /* + * There is no need to restore the condition codes here, since + * _Internal_error() does not return. + */ sethi %hi(_Internal_error), %l1 or %l1, %lo(_Internal_error), %l1 mov 38, %i0 |