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author | Jeff Law <law@redhat.com> | 1996-11-27 17:19:44 +0000 |
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committer | Jeff Law <law@redhat.com> | 1996-11-27 17:19:44 +0000 |
commit | ecb4b5a35798690efc066aa73da6ab449c4518fc (patch) | |
tree | 5f6ea2611ce3fe3cbdf65b1355212b593c73f2a3 /sim | |
parent | 15aafe49cc2a3297c8b1a482c2ee9cd938806975 (diff) | |
download | gdb-ecb4b5a35798690efc066aa73da6ab449c4518fc.zip gdb-ecb4b5a35798690efc066aa73da6ab449c4518fc.tar.gz gdb-ecb4b5a35798690efc066aa73da6ab449c4518fc.tar.bz2 |
* simops.c Implement remaining 4 byte instructions.
Diffstat (limited to 'sim')
-rw-r--r-- | sim/mn10300/ChangeLog | 4 | ||||
-rw-r--r-- | sim/mn10300/simops.c | 180 |
2 files changed, 145 insertions, 39 deletions
diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog index cba8be7..321f209 100644 --- a/sim/mn10300/ChangeLog +++ b/sim/mn10300/ChangeLog @@ -1,6 +1,8 @@ Wed Nov 27 09:20:42 1996 Jeffrey A Law (law@cygnus.com) - * simops.c Implement remaining 3 byte instructions. + * simops.c: Implement remaining 4 byte instructions. + + * 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 1d6e1e8..366bcc2 100644 --- a/sim/mn10300/simops.c +++ b/sim/mn10300/simops.c @@ -149,9 +149,12 @@ void OP_F80000 () + SEXT8 (insn & 0xff)), 4); } -/* mov */ +/* mov (d16,am), dn */ void OP_FA000000 () { + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT16 (insn & 0xffff)), 4); } /* mov */ @@ -163,12 +166,14 @@ void OP_FC000000 () void OP_5800 () { State.regs[REG_D0 + ((insn & 0x300) >> 8)] - = load_mem (State.regs[REG_SP] + insn & 0xff, 4); + = load_mem (State.regs[REG_SP] + (insn & 0xff), 4); } -/* mov */ +/* mov (d16,sp), dn */ void OP_FAB40000 () { + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] + = load_mem (State.regs[REG_SP] + (insn & 0xffff), 4); } /* mov */ @@ -187,7 +192,7 @@ void OP_F300 () /* mov (abs16), dn */ void OP_300000 () { - State.regs[REG_D0 + ((insn & 0x30000) >> 16)] = load_mem (insn & 0xffff, 4); + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] = load_mem ((insn & 0xffff), 4); } /* mov */ @@ -210,9 +215,12 @@ void OP_F82000 () + SEXT8 (insn & 0xff)), 4); } -/* mov */ +/* mov (d16,am), an */ void OP_FA200000 () { + State.regs[REG_A0 + ((insn & 0xc0000) >> 18)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT16 (insn & 0xffff)), 4); } /* mov */ @@ -224,12 +232,14 @@ void OP_FC200000 () void OP_5C00 () { State.regs[REG_A0 + ((insn & 0x300) >> 8)] - = load_mem (State.regs[REG_SP] + insn & 0xff, 4); + = load_mem (State.regs[REG_SP] + (insn & 0xff), 4); } -/* mov */ +/* mov (d16,sp), an */ void OP_FAB00000 () { + State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + = load_mem (State.regs[REG_SP] + (insn & 0xffff), 4); } /* mov */ @@ -245,9 +255,10 @@ void OP_F380 () + State.regs[REG_D0 + ((insn & 0xc) >> 2)]), 4); } -/* mov */ +/* mov (abs16), an */ void OP_FAA00000 () { + State.regs[REG_A0 + ((insn & 0x30000) >> 16)] = load_mem ((insn & 0xffff), 4); } /* mov */ @@ -278,9 +289,12 @@ void OP_F81000 () State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } -/* mov */ +/* mov dm (d16,an) */ void OP_FA100000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT16 (insn & 0xffff)), 4, + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)]); } /* mov */ @@ -291,13 +305,15 @@ void OP_FC100000 () /* mov dm, (d8,sp) */ void OP_4200 () { - store_mem (State.regs[REG_SP] + insn & 0xff, 4, + store_mem (State.regs[REG_SP] + (insn & 0xff), 4, State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } -/* mov */ +/* mov dm, (d16,sp) */ void OP_FA910000 () { + store_mem (State.regs[REG_SP] + (insn & 0xffff), 4, + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)]); } /* mov */ @@ -339,9 +355,12 @@ void OP_F83000 () State.regs[REG_A0 + ((insn & 0xc00) >> 10)]); } -/* mov */ +/* mov am (d16,an) */ void OP_FA300000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 17)] + + SEXT16 (insn & 0xffff)), 4, + State.regs[REG_A0 + ((insn & 0xc0000) >> 18)]); } /* mov */ @@ -352,13 +371,15 @@ void OP_FC300000 () /* mov am, (d8,sp) */ void OP_4300 () { - store_mem (State.regs[REG_SP] + insn & 0xff, 4, + store_mem (State.regs[REG_SP] + (insn & 0xff), 4, State.regs[REG_A0 + ((insn & 0xc00) >> 10)]); } -/* mov */ +/* mov am, (d16,sp) */ void OP_FA900000 () { + store_mem (State.regs[REG_SP] + (insn & 0xffff), 4, + State.regs[REG_A0 + ((insn & 0xc0000) >> 18)]); } /* mov */ @@ -374,9 +395,10 @@ void OP_F3C0 () State.regs[REG_A0 + ((insn & 0x300) >> 8)]); } -/* mov */ +/* mov am, (abs16) */ void OP_FA800000 () { + store_mem ((insn & 0xffff), 4, State.regs[REG_A0 + ((insn & 0xc0000) >> 18)]); } /* mov */ @@ -438,9 +460,12 @@ void OP_F84000 () + SEXT8 (insn & 0xff)), 1); } -/* movbu */ +/* movbu (d16,am), dn */ void OP_FA400000 () { + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT16 (insn & 0xffff)), 1); } /* movbu */ @@ -452,12 +477,14 @@ void OP_FC400000 () void OP_F8B800 () { State.regs[REG_D0 + ((insn & 0x300) >> 8)] - = load_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 1); + = load_mem ((State.regs[REG_SP] + (insn & 0xff)), 1); } -/* movbu */ +/* movbu (d16,sp), dn */ void OP_FAB80000 () { + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] + = load_mem ((State.regs[REG_SP] + (insn & 0xffff)), 1); } /* movbu */ @@ -476,7 +503,7 @@ void OP_F400 () /* movbu (abs16), dn */ void OP_340000 () { - State.regs[REG_D0 + ((insn & 0x30000) >> 16)] = load_mem (insn & 0xffff, 1); + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] = load_mem ((insn & 0xffff), 1); } /* movbu */ @@ -499,9 +526,12 @@ void OP_F85000 () State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } -/* movbu */ +/* movbu dm, (d16,an) */ void OP_FA500000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT8 (insn & 0xffff)), 1, + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)]); } /* movbu */ @@ -512,13 +542,15 @@ void OP_FC500000 () /* movbu dm, (d8,sp) */ void OP_F89200 () { - store_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 1, + store_mem (State.regs[REG_SP] + (insn & 0xff), 1, State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } -/* movbu */ +/* movbu dm, (d16,sp) */ void OP_FA920000 () { + store_mem (State.regs[REG_SP] + (insn & 0xffff), 2, + State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } /* movbu */ @@ -560,9 +592,12 @@ void OP_F86000 () + SEXT8 (insn & 0xff)), 2); } -/* movhu */ +/* movhu (d16,am), dn */ void OP_FA600000 () { + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)] + = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT16 (insn & 0xffff)), 2); } /* movhu */ @@ -574,12 +609,14 @@ void OP_FC600000 () void OP_F8BC00 () { State.regs[REG_D0 + ((insn & 0x300) >> 8)] - = load_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 2); + = load_mem ((State.regs[REG_SP] + (insn & 0xff)), 2); } -/* movhu */ +/* movhu (d16,sp), dn */ void OP_FABC0000 () { + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] + = load_mem ((State.regs[REG_SP] + (insn & 0xffff)), 2); } /* movhu */ @@ -598,7 +635,7 @@ void OP_F480 () /* movhu (abs16), dn */ void OP_380000 () { - State.regs[REG_D0 + ((insn & 0x30000) >> 16)] = load_mem (insn & 0xffff, 2); + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] = load_mem ((insn & 0xffff), 2); } /* movhu */ @@ -621,9 +658,12 @@ void OP_F87000 () State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } -/* movhu */ +/* movhu dm, (d16,an) */ void OP_FA700000 () { + store_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT16 (insn & 0xffff)), 2, + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)]); } /* movhu */ @@ -634,13 +674,15 @@ void OP_FC700000 () /* movhu dm,(d8,sp) */ void OP_F89300 () { - store_mem ((State.regs[REG_SP] + SEXT8 (insn & 0xff)), 2, + store_mem (State.regs[REG_SP] + (insn & 0xff), 2, State.regs[REG_D0 + ((insn & 0xc00) >> 10)]); } -/* movhu */ +/* movhu dm,(d16,sp) */ void OP_FA930000 () { + store_mem (State.regs[REG_SP] + (insn & 0xffff), 2, + State.regs[REG_D0 + ((insn & 0xc0000) >> 18)]); } /* movhu */ @@ -1608,9 +1650,16 @@ void OP_F8E000 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* and */ +/* and imm16, dn */ void OP_FAE00000 () { + int n, z; + + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] &= (insn & 0xffff); + z = (State.regs[REG_D0 + ((insn & 0x30000) >> 16)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x30000) >> 16)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } /* and */ @@ -1618,9 +1667,10 @@ void OP_FCE00000 () { } -/* and */ +/* and imm16, psw */ void OP_FAFC0000 () { + PSW &= (insn & 0xffff); } /* or dm, dn*/ @@ -1647,9 +1697,16 @@ void OP_F8E400 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* or */ +/* or imm16, dn*/ void OP_FAE40000 () { + int n, z; + + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] |= insn & 0xffff; + z = (State.regs[REG_D0 + ((insn & 0x30000) >> 16)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x30000) >> 16)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } /* or */ @@ -1657,9 +1714,10 @@ void OP_FCE40000 () { } -/* or */ +/* or imm16,psw */ void OP_FAFD0000 () { + PSW |= (insn & 0xffff); } /* xor dm, dn*/ @@ -1674,9 +1732,16 @@ void OP_F220 () PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } -/* xor */ +/* xor imm16, dn */ void OP_FAE80000 () { + int n, z; + + State.regs[REG_D0 + ((insn & 0x30000) >> 16)] ^= insn & 0xffff; + z = (State.regs[REG_D0 + ((insn & 0x30000) >> 16)] == 0); + n = (State.regs[REG_D0 + ((insn & 0x30000) >> 16)] & 0x8000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); } /* xor */ @@ -1710,9 +1775,18 @@ void OP_F8EC00 () PSW |= (z ? PSW_Z : 0) | (n ? PSW_N : 0); } -/* btst */ +/* btst imm16, dn */ void OP_FAEC0000 () { + unsigned long temp; + int z, n; + + temp = State.regs[REG_D0 + ((insn & 0x30000) >> 16)]; + temp &= (insn & 0xffff); + 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 */ @@ -1725,9 +1799,19 @@ void OP_FE020000 () { } -/* btst */ +/* btst imm8,(d8,an) */ void OP_FAF80000 () { + unsigned long temp; + int n, z; + + temp = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT8 ((insn & 0xff00) >> 8)), 1); + 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); } /* bset dm, (an) */ @@ -1749,9 +1833,19 @@ void OP_FE000000 () { } -/* bset */ +/* bset imm8,(d8,an) */ void OP_FAF00000 () { + unsigned long temp; + int z; + + temp = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT8 ((insn & 0xff00) >> 8)), 1); + z = (temp & (insn & 0xff)) == 0; + temp |= (insn & 0xff); + store_mem (State.regs[REG_A0 + ((insn & 30000)>> 16)], 1, temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); } /* bclr dm, (an) */ @@ -1773,9 +1867,19 @@ void OP_FE010000 () { } -/* bclr */ +/* bclr imm8,(d8,an) */ void OP_FAF40000 () { + unsigned long temp; + int z; + + temp = load_mem ((State.regs[REG_A0 + ((insn & 0x30000) >> 16)] + + SEXT8 ((insn & 0xff00) >> 8)), 1); + z = (temp & (insn & 0xff)) == 0; + temp = ~temp & (insn & 0xff); + store_mem (State.regs[REG_A0 + ((insn & 30000)>> 16)], 1, temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); } /* asr dm, dn */ |