diff options
Diffstat (limited to 'cpukit/score/cpu/sparc/rtems/score/cpuimpl.h')
| -rw-r--r-- | cpukit/score/cpu/sparc/rtems/score/cpuimpl.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/cpukit/score/cpu/sparc/rtems/score/cpuimpl.h b/cpukit/score/cpu/sparc/rtems/score/cpuimpl.h index 5563db8911..4f2311e755 100644 --- a/cpukit/score/cpu/sparc/rtems/score/cpuimpl.h +++ b/cpukit/score/cpu/sparc/rtems/score/cpuimpl.h @@ -67,6 +67,24 @@ /** This defines the size of the ISF area for use in assembly. */ #define CPU_INTERRUPT_FRAME_SIZE SPARC_MINIMUM_STACK_FRAME_SIZE + 0x50 +#define SPARC_FP_CONTEXT_OFFSET_F0_F1 0 +#define SPARC_FP_CONTEXT_OFFSET_F2_F3 8 +#define SPARC_FP_CONTEXT_OFFSET_F4_F5 16 +#define SPARC_FP_CONTEXT_OFFSET_F6_F7 24 +#define SPARC_FP_CONTEXT_OFFSET_F8_F9 32 +#define SPARC_FP_CONTEXT_OFFSET_F10_F11 40 +#define SPARC_FP_CONTEXT_OFFSET_F12_F13 48 +#define SPARC_FP_CONTEXT_OFFSET_F14_F15 56 +#define SPARC_FP_CONTEXT_OFFSET_F16_F17 64 +#define SPARC_FP_CONTEXT_OFFSET_F18_F19 72 +#define SPARC_FP_CONTEXT_OFFSET_F20_F21 80 +#define SPARC_FP_CONTEXT_OFFSET_F22_F23 88 +#define SPARC_FP_CONTEXT_OFFSET_F24_F25 96 +#define SPARC_FP_CONTEXT_OFFSET_F26_F27 104 +#define SPARC_FP_CONTEXT_OFFSET_F28_F29 112 +#define SPARC_FP_CONTEXT_OFFSET_F30_F31 120 +#define SPARC_FP_CONTEXT_OFFSET_FSR 128 + #if ( SPARC_HAS_FPU == 1 ) #define CPU_PER_CPU_CONTROL_SIZE 8 #else @@ -79,6 +97,14 @@ * Per_CPU_Control begin. */ #define SPARC_PER_CPU_FSR_OFFSET 0 + + #if defined(SPARC_USE_LAZY_FP_SWITCH) + /** + * @brief Offset of the CPU_Per_CPU_control::fp_owner field relative to the + * Per_CPU_Control begin. + */ + #define SPARC_PER_CPU_FP_OWNER_OFFSET 4 + #endif #endif #ifndef ASM @@ -98,9 +124,16 @@ typedef struct { */ uint32_t fsr; +#if defined(SPARC_USE_LAZY_FP_SWITCH) + /** + * @brief The current floating point owner. + */ + struct _Thread_Control *fp_owner; +#else /* See Per_CPU_Control::Interrupt_frame */ uint32_t reserved_for_alignment_of_interrupt_frame; #endif +#endif } CPU_Per_CPU_control; /** |