diff options
Diffstat (limited to 'sim/rx/cpu.h')
| -rw-r--r-- | sim/rx/cpu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sim/rx/cpu.h b/sim/rx/cpu.h index a4afab7..74ab4b6 100644 --- a/sim/rx/cpu.h +++ b/sim/rx/cpu.h @@ -76,8 +76,24 @@ typedef struct SI r_temp; DI r_acc; + +#ifdef CYCLE_ACCURATE + /* If set, RTS/RTSD take 2 fewer cycles. */ + char fast_return; + SI link_register; + + unsigned long long cycle_count; + /* Bits saying what kind of memory operands the previous insn had. */ + int m2m; + /* Target register for load. */ + int rt; +#endif } regs_type; +#define M2M_SRC 0x01 +#define M2M_DST 0x02 +#define M2M_BOTH 0x03 + #define sp 0 #define psw 16 #define pc 17 @@ -219,6 +235,9 @@ extern unsigned int heaptop; extern unsigned int heapbottom; extern int decode_opcode (void); +extern void reset_pipeline_stats (void); +extern void halt_pipeline_stats (void); +extern void pipeline_stats (void); extern void trace_register_changes (); extern void generate_access_exception (void); |