diff options
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/cr16/simops.c | 80 |
1 files changed, 14 insertions, 66 deletions
diff --git a/sim/cr16/simops.c b/sim/cr16/simops.c index 455d9fb..c42837f 100644 --- a/sim/cr16/simops.c +++ b/sim/cr16/simops.c @@ -14,8 +14,8 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License along - with this program. If not, see <http://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "config.h" @@ -40,100 +40,58 @@ extern char *strrchr (); enum op_types { OP_VOID, OP_CONSTANT3, - OP_CONSTANT3_OUTPUT, OP_UCONSTANT3, - OP_UCONSTANT3_OUTPUT, - OP_UCONSTANT3_1, - OP_UCONSTANT3_1_OUTPUT, OP_CONSTANT4, - OP_CONSTANT4_OUTPUT, OP_CONSTANT4_1, - OP_CONSTANT4_1_OUTPUT, OP_CONSTANT5, - OP_CONSTANT5_OUTPUT, OP_CONSTANT6, - OP_CONSTANT6_OUTPUT, OP_CONSTANT16, - OP_CONSTANT16_OUTPUT, OP_UCONSTANT16, - OP_UCONSTANT16_OUTPUT, OP_CONSTANT20, - OP_CONSTANT20_OUTPUT, OP_UCONSTANT20, - OP_UCONSTANT20_OUTPUT, OP_CONSTANT32, - OP_UCONSTANT32_OUTPUT, OP_UCONSTANT32, - OP_CONSTANT32_OUTPUT, OP_MEMREF, OP_MEMREF2, OP_MEMREF3, OP_DISP5, - OP_DISP5_OUTPUT, OP_DISP17, - OP_DISP17_OUTPUT, OP_DISP25, - OP_DISP25_OUTPUT, OP_DISPE9, - OP_DISPE9_OUTPUT, //OP_ABS20, OP_ABS20_OUTPUT, //OP_ABS24, OP_ABS24_OUTPUT, OP_R_BASE_DISPS16, - OP_R_BASE_DISPS16_OUTPUT, OP_R_BASE_DISP20, - OP_R_BASE_DISP20_OUTPUT, OP_R_BASE_DISPS20, - OP_R_BASE_DISPS20_OUTPUT, OP_R_BASE_DISPE20, - OP_R_BASE_DISPE20_OUTPUT, OP_RP_BASE_DISPE0, - OP_RP_BASE_DISPE0_OUTPUT, OP_RP_BASE_DISP4, - OP_RP_BASE_DISP4_OUTPUT, OP_RP_BASE_DISPE4, - OP_RP_BASE_DISPE4_OUTPUT, OP_RP_BASE_DISP14, - OP_RP_BASE_DISP14_OUTPUT, OP_RP_BASE_DISP16, - OP_RP_BASE_DISP16_OUTPUT, OP_RP_BASE_DISP20, - OP_RP_BASE_DISP20_OUTPUT, OP_RP_BASE_DISPS20, - OP_RP_BASE_DISPS20_OUTPUT, OP_RP_BASE_DISPE20, - OP_RP_BASE_DISPE20_OUTPUT, OP_R_INDEX7_ABS20, - OP_R_INDEX7_ABS20_OUTPUT, OP_R_INDEX8_ABS20, - OP_R_INDEX8_ABS20_OUTPUT, OP_RP_INDEX_DISP0, - OP_RP_INDEX_DISP0_OUTPUT, OP_RP_INDEX_DISP14, - OP_RP_INDEX_DISP14_OUTPUT, OP_RP_INDEX_DISP20, - OP_RP_INDEX_DISP20_OUTPUT, OP_RP_INDEX_DISPS20, - OP_RP_INDEX_DISPS20_OUTPUT, OP_REG, - OP_REG_OUTPUT, OP_REGP, - OP_REGP_OUTPUT, OP_PROC_REG, - OP_PROC_REG_OUTPUT, OP_PROC_REGP, - OP_PROC_REGP_OUTPUT, OP_COND, - OP_COND_OUTPUT, - OP_RA, - OP_RA_OUTPUT + OP_RA }; @@ -226,6 +184,7 @@ move_to_cr (int cr, creg_t mask, creg_t val, int psw_hw_p) /* only issue an update if the register is being changed. */ if ((State.cregs[cr] & ~mask) != val) SLOT_PEND_MASK (State.cregs[cr], mask, val); + return val; } @@ -358,16 +317,13 @@ trace_input_func (name, in1, in2, in3) break; case OP_REG: - case OP_REG_OUTPUT: case OP_REGP: - case OP_REGP_OUTPUT: sprintf (p, "%sr%d", comma, OP[i]); p += strlen (p); comma = ","; break; case OP_PROC_REG: - case OP_PROC_REG_OUTPUT: sprintf (p, "%scr%d", comma, OP[i]); p += strlen (p); comma = ","; @@ -432,12 +388,6 @@ trace_input_func (name, in1, in2, in3) (*cr16_callback->printf_filtered) (cr16_callback, "%*s", SIZE_VALUES, ""); break; - case OP_REG_OUTPUT: - case OP_REGP_OUTPUT: - case OP_PROC_REG_OUTPUT: - (*cr16_callback->printf_filtered) (cr16_callback, "%*s", SIZE_VALUES, "---"); - break; - case OP_REG: (*cr16_callback->printf_filtered) (cr16_callback, "%*s0x%.4x", SIZE_VALUES-6, "", (uint16) GPR (OP[i])); @@ -2444,11 +2394,10 @@ void OP_6_8 () { uint16 a = OP[0]; - uint32 addr = (GPR (OP[1])), tmp; + uint16 b = (GPR (OP[1])); trace_input ("tbit", OP_CONSTANT4, OP_REG, OP_VOID); - tmp = RW (addr); - SET_PSR_F (tmp & (1 << a)); - trace_output_32 (tmp); + SET_PSR_F (b & (1 << a)); + trace_output_16 (b); } /* tbit. */ @@ -2456,11 +2405,10 @@ void OP_7_8 () { uint16 a = GPR (OP[0]); - uint32 addr = (GPR (OP[1])), tmp; + uint16 b = (GPR (OP[1])); trace_input ("tbit", OP_REG, OP_REG, OP_VOID); - tmp = RW (addr); - SET_PSR_F (tmp & (1 << a)); - trace_output_32 (tmp); + SET_PSR_F (b & (1 << a)); + trace_output_16 (b); } @@ -4368,8 +4316,8 @@ OP_B_8 () void OP_62_8 () { - int32 tmp, b = (GPR32 (OP[1])); - int16 a = (GPR (OP[0])); + int32 tmp; + int16 a = (GPR (OP[0])), b = (GPR (OP[1])); trace_input ("mulsw", OP_REG, OP_REGP, OP_VOID); tmp = a * b; SET_GPR32 (OP[1], tmp); @@ -4380,8 +4328,8 @@ OP_62_8 () void OP_63_8 () { - uint32 tmp, b = (GPR32 (OP[1])); - uint16 a = (GPR (OP[0])); + uint32 tmp; + uint16 a = (GPR (OP[0])), b = (GPR (OP[1])); trace_input ("muluw", OP_REG, OP_REGP, OP_VOID); tmp = a * b; SET_GPR32 (OP[1], tmp); |