diff options
Diffstat (limited to 'cpukit/score/cpu/riscv/include/rtems/score/cpu.h')
| -rw-r--r-- | cpukit/score/cpu/riscv/include/rtems/score/cpu.h | 61 |
1 files changed, 21 insertions, 40 deletions
diff --git a/cpukit/score/cpu/riscv/include/rtems/score/cpu.h b/cpukit/score/cpu/riscv/include/rtems/score/cpu.h index 124bbae1d4..2220161c9e 100644 --- a/cpukit/score/cpu/riscv/include/rtems/score/cpu.h +++ b/cpukit/score/cpu/riscv/include/rtems/score/cpu.h @@ -64,8 +64,6 @@ extern "C" { #define CPU_LITTLE_ENDIAN TRUE #define CPU_MODES_INTERRUPT_MASK 0x0000000000000001 -#define CPU_CONTEXT_FP_SIZE 0 - #define CPU_PER_CPU_CONTROL_SIZE 0 #define CPU_CACHE_LINE_BYTES 64 @@ -100,6 +98,12 @@ extern "C" { #ifndef ASM +#if __riscv_flen == 32 +typedef float RISCV_Float; +#elif __riscv_flen == 64 +typedef double RISCV_Float; +#endif + typedef struct { #ifdef RTEMS_SMP volatile uint32_t is_executing; @@ -122,18 +126,26 @@ typedef struct { uintptr_t s9; uintptr_t s10; uintptr_t s11; +#if __riscv_flen > 0 + uint32_t fcsr; + RISCV_Float fs0; + RISCV_Float fs1; + RISCV_Float fs2; + RISCV_Float fs3; + RISCV_Float fs4; + RISCV_Float fs5; + RISCV_Float fs6; + RISCV_Float fs7; + RISCV_Float fs8; + RISCV_Float fs9; + RISCV_Float fs10; + RISCV_Float fs11; +#endif } Context_Control; #define _CPU_Context_Get_SP( _context ) \ (_context)->sp -typedef struct { - /** TODO FPU registers are listed here */ - double some_float_register; -} Context_Control_fp; - -Context_Control_fp _CPU_Null_fp_context; - #define CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK 0 #define CPU_PROVIDES_ISR_IS_IN_PROGRESS FALSE @@ -204,15 +216,6 @@ void _CPU_Context_Initialize( #define _CPU_Context_Restart_self( _the_context ) \ _CPU_Context_restore( (_the_context) ) - -#define _CPU_Context_Fp_start( _base, _offset ) \ - ( (void *) _Addresses_Add_offset( (_base), (_offset) ) ) - -#define _CPU_Context_Initialize_fp( _destination ) \ - { \ - *(*(_destination)) = _CPU_Null_fp_context; \ - } - extern void _CPU_Fatal_halt(uint32_t source, uint32_t error) RTEMS_NO_RETURN; #define CPU_USE_GENERIC_BITFIELD_CODE TRUE @@ -326,28 +329,6 @@ void _CPU_Context_restore( Context_Control *new_context ) RTEMS_NO_RETURN; -/* - * _CPU_Context_save_fp - * - * This routine saves the floating point context passed to it. - * - */ - -void _CPU_Context_save_fp( - void **fp_context_ptr -); - -/* - * _CPU_Context_restore_fp - * - * This routine restores the floating point context passed to it. - * - */ - -void _CPU_Context_restore_fp( - void **fp_context_ptr -); - /* The following routine swaps the endian format of an unsigned int. * It must be static because it is referenced indirectly. * |