From: Jeff Law Date: Wed, 27 Nov 1996 16:51:30 +0000 (+0000) Subject: * simops.c Implement remaining 3 byte instructions. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2e35551c74037f22f29a1e21101eeaca6f934d85;p=binutils-gdb.git * simops.c Implement remaining 3 byte instructions. Moving right along... --- diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog index f8d3394eb1d..cba8be76fee 100644 --- a/sim/mn10300/ChangeLog +++ b/sim/mn10300/ChangeLog @@ -1,5 +1,7 @@ Wed Nov 27 09:20:42 1996 Jeffrey A Law (law@cygnus.com) + * simops.c Implement remaining 3 byte instructions. + * simops.c: Implement remaining 2 byte instructions. Call abort for instructions we're not implementing now. diff --git a/sim/mn10300/simops.c b/sim/mn10300/simops.c index e17f526d8f3..1d6e1e82181 100644 --- a/sim/mn10300/simops.c +++ b/sim/mn10300/simops.c @@ -134,16 +134,19 @@ void OP_F2F2 () State.regs[REG_MDR] = State.regs[REG_D0 + ((insn & 0xc) >> 2)]; } -/* mov */ +/* mov (am), dn */ void OP_70 () { State.regs[REG_D0 + ((insn & 0xc) >> 2)] = load_mem (State.regs[REG_A0 + (insn & 0x3)], 4); } -/* mov */ +/* mov (d8,am), dn */ void OP_F80000 () { + State.regs[REG_D0 + ((insn & 0xc00) >> 10)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 4); } /* mov */ @@ -176,7 +179,7 @@ void OP_FCB40000 () /* mov (di,am), dn */ void OP_F300 () { - State.regs[REG_D0 + ((insn & 0x30) >> 8)] + State.regs[REG_D0 + ((insn & 0x300) >> 8)] = load_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 4); } @@ -199,9 +202,12 @@ void OP_F000 () = load_mem (State.regs[REG_A0 + (insn & 0x3)], 4); } -/* mov */ +/* mov (d8,am), an */ void OP_F82000 () { + State.regs[REG_A0 + ((insn & 0xc00) >> 10)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 4); } /* mov */ @@ -234,7 +240,7 @@ void OP_FCB00000 () /* mov (di,am), an*/ void OP_F380 () { - State.regs[REG_A0 + ((insn & 0x30) >> 8)] + State.regs[REG_A0 + ((insn & 0x300) >> 8)] = load_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 4); } @@ -249,9 +255,12 @@ void OP_FCA00000 () { } -/* mov */ +/* mov (d8,am), sp */ void OP_F8F000 () { + State.regs[REG_SP] + = load_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 4); } /* mov dm, (an) */ @@ -261,9 +270,12 @@ void OP_60 () State.regs[REG_D0 + ((insn & 0xc) >> 2)]); } -/* mov */ +/* mov dm, (d8,an) */ void OP_F81000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 4, + State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } /* mov */ @@ -298,7 +310,7 @@ void OP_F340 () { store_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 4, - State.regs[REG_D0 + ((insn & 0x30) >> 8)]); + State.regs[REG_D0 + ((insn & 0x300) >> 8)]); } /* mov dm, (abs16) */ @@ -319,9 +331,12 @@ void OP_F010 () State.regs[REG_A0 + ((insn & 0xc) >> 2)]); } -/* mov */ +/* mov am, (d8,an) */ void OP_F83000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 4, + State.regs[REG_A0 + ((insn & 0xc00) >> 10)]); } /* mov */ @@ -356,7 +371,7 @@ void OP_F3C0 () { store_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 4, - State.regs[REG_A0 + ((insn & 0x30) >> 8)]); + State.regs[REG_A0 + ((insn & 0x300) >> 8)]); } /* mov */ @@ -369,9 +384,11 @@ void OP_FC800000 () { } -/* mov */ +/* mov sp, (d8,an) */ void OP_F8F400 () { + store_mem (State.regs[REG_A0 + ((insn & 0x300) >> 8)] + SEXT8 (insn & 0xff), + 4, State.regs[REG_SP]); } /* mov imm16, dn */ @@ -413,9 +430,12 @@ void OP_F040 () = load_mem (State.regs[REG_A0 + (insn & 0x3)], 1); } -/* movbu */ +/* movbu (d8,am), dn */ void OP_F84000 () { + State.regs[REG_D0 + ((insn & 0xc00) >> 10)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 1); } /* movbu */ @@ -428,9 +448,11 @@ void OP_FC400000 () { } -/* movbu */ +/* movbu (d8,sp), dn */ void OP_F8B800 () { + State.regs[REG_D0 + ((insn & 0x300) >> 8)] + = load_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 1); } /* movbu */ @@ -446,7 +468,7 @@ void OP_FCB80000 () /* movbu (di,am), dn */ void OP_F400 () { - State.regs[REG_D0 + ((insn & 0x30) >> 8)] + State.regs[REG_D0 + ((insn & 0x300) >> 8)] = load_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 1); } @@ -469,9 +491,12 @@ void OP_F050 () State.regs[REG_D0 + (insn & 0x3)]); } -/* movbu */ +/* movbu dm, (d8,an) */ void OP_F85000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 1, + State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } /* movbu */ @@ -484,9 +509,11 @@ void OP_FC500000 () { } -/* movbu */ +/* movbu dm, (d8,sp) */ void OP_F89200 () { + store_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 1, + State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } /* movbu */ @@ -504,7 +531,7 @@ void OP_F440 () { store_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 1, - State.regs[REG_D0 + ((insn & 0x30) >> 8)]); + State.regs[REG_D0 + ((insn & 0x300) >> 8)]); } /* movbu dm, (abs16) */ @@ -525,9 +552,12 @@ void OP_F060 () = load_mem (State.regs[REG_A0 + (insn & 0x3)], 2); } -/* movhu */ +/* movhu (d8,am), dn */ void OP_F86000 () { + State.regs[REG_D0 + ((insn & 0xc00) >> 10)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 2); } /* movhu */ @@ -540,9 +570,11 @@ void OP_FC600000 () { } -/* movhu */ +/* movhu (d8,sp) dn */ void OP_F8BC00 () { + State.regs[REG_D0 + ((insn & 0x300) >> 8)] + = load_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 2); } /* movhu */ @@ -558,7 +590,7 @@ void OP_FCBC0000 () /* movhu (di,am), dn */ void OP_F480 () { - State.regs[REG_D0 + ((insn & 0x30) >> 8)] + State.regs[REG_D0 + ((insn & 0x300) >> 8)] = load_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 2); } @@ -581,9 +613,12 @@ void OP_F070 () State.regs[REG_D0 + (insn & 0x3)]); } -/* movhu */ +/* movhu dm, (d8,an) */ void OP_F87000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x300) >> 8)] + + SEXT8 (insn & 0xff)), 2, + State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } /* movhu */ @@ -596,9 +631,11 @@ void OP_FC700000 () { } -/* movhu */ +/* movhu dm,(d8,sp) */ void OP_F89300 () { + store_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 2, + State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } /* movhu */ @@ -616,7 +653,7 @@ void OP_F4C0 () { store_mem ((State.regs[REG_A0 + (insn & 0x3)] + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 2, - State.regs[REG_D0 + ((insn & 0x30) >> 8)]); + State.regs[REG_D0 + ((insn & 0x300) >> 8)]); } /* movhu dm, (abs16) */ @@ -1559,9 +1596,16 @@ void OP_F200 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* and */ +/* and imm8, dn */ void OP_F8E000 () { + int n, z; + + State.regs[REG_D0 + ((insn & 0x300) >> 8)] &= (insn & 0xff); + z = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } /* and */ @@ -1591,9 +1635,16 @@ void OP_F210 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* or */ +/* or imm8, dn */ void OP_F8E400 () { + int n, z; + + State.regs[REG_D0 + ((insn & 0x300) >> 8)] |= insn & 0xff; + z = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } /* or */ @@ -1645,9 +1696,18 @@ void OP_F230 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* btst */ +/* btst imm8, dn */ void OP_F8EC00 () { + unsigned long temp; + int z, n; + + temp = State.regs[REG_D0 + ((insn & 0x300) >> 8)]; + temp &= (insn & 0xff); + n = (temp & 0x80000000) != 0; + z = (temp == 0); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0) | (n ? PSW_N : 0); } /* btst */ @@ -1718,7 +1778,7 @@ void OP_FAF40000 () { } -/* asr */ +/* asr dm, dn */ void OP_F2B0 () { long temp; @@ -1734,12 +1794,23 @@ void OP_F2B0 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); } -/* asr */ +/* asr imm8, dn */ void OP_F8C800 () { + long temp; + int z, n, c; + + temp = State.regs[REG_D0 + ((insn & 0x300) >> 8)]; + c = temp & 1; + temp >>= (insn & 0xff); + State.regs[REG_D0 + ((insn & 0x300) >> 8)] = temp; + z = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); } -/* lsr */ +/* lsr dm, dn */ void OP_F2A0 () { int z, n, c; @@ -1753,12 +1824,20 @@ void OP_F2A0 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); } -/* lsr */ +/* lsr dm, dn */ void OP_F8C400 () { + int z, n, c; + + c = State.regs[REG_D0 + ((insn & 0x300) >> 8)] & 1; + State.regs[REG_D0 + ((insn & 0x300) >> 8)] >>= (insn & 0xff); + z = (State.regs[REG_D0 + ((insn & 0x3) >> 8)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x3) >> 8)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); } -/* asl */ +/* asl dm, dn */ void OP_F290 () { int n, z; @@ -1771,9 +1850,16 @@ void OP_F290 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* asl */ +/* asl imm8, dn */ void OP_F8C000 () { + int n, z; + + State.regs[REG_D0 + ((insn & 0x300) >> 8)] <<= (insn & 0xff); + z = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x300) >> 8)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } /* asl2 dn */