diff options
Diffstat (limited to 'cpukit/score/cpu/sparc/sparc-context-validate.S')
| -rw-r--r-- | cpukit/score/cpu/sparc/sparc-context-validate.S | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/cpukit/score/cpu/sparc/sparc-context-validate.S b/cpukit/score/cpu/sparc/sparc-context-validate.S index 777f4dd8a6..83ecc54156 100644 --- a/cpukit/score/cpu/sparc/sparc-context-validate.S +++ b/cpukit/score/cpu/sparc/sparc-context-validate.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015 embedded brains GmbH. All rights reserved. + * Copyright (c) 2015, 2017 embedded brains GmbH. All rights reserved. * * embedded brains GmbH * Dornierstr. 4 @@ -18,6 +18,7 @@ #include <rtems/asm.h> #include <rtems/score/cpuimpl.h> +#include <rtems/score/percpu.h> #define FRAME_OFFSET_BUFFER_0 (SPARC_MINIMUM_STACK_FRAME_SIZE) #define FRAME_OFFSET_BUFFER_1 (FRAME_OFFSET_BUFFER_0 + 0x04) @@ -73,13 +74,15 @@ PUBLIC(_CPU_Context_validate) SYM(_CPU_Context_validate): - /* - * g2 checks if the Floating Point Unit in the Processor Status - * Register (PSR) is set. - */ + /* g2 indicates if the FPU should be checked */ +#if defined(SPARC_USE_LAZY_FP_SWITCH) + ld [%g6 + PER_CPU_OFFSET_EXECUTING], %g2 + ld [%g2 + %lo(SPARC_THREAD_CONTROL_FP_CONTEXT_OFFSET)], %g2 +#else mov %psr, %g2 sethi %hi(SPARC_PSR_EF_MASK), %g3 and %g2, %g3, %g2 +#endif /* g1 is used to save the original pattern */ mov %o0, %g1 |