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* mn10200-opc.c (mn10200_operands): Add SIMM16N.

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(mn10200_opcodes): Use it for some logicals and btst insns.
        Add "break" and "trap" instructions.
This commit is contained in:
Jeff Law 1996-12-18 17:12:16 +00:00
parent e75b857ba3
commit e098bae8e7
2 changed files with 28 additions and 7 deletions
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4
opcodes/ChangeLog
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@ -1,5 +1,9 @@
Mon Dec 16 13:00:15 1996 Jeffrey A Law (law@cygnus.com)
* mn10200-opc.c (mn10200_operands): Add SIMM16N.
(mn10200_opcodes): Use it for some logicals and btst insns.
Add "break" and "trap" instructions.
* mn10300-opc.c (mn10300_opcodes): Add "break" instruction.
* mn10200-opc.c: Add pseudo-ops for "mov (an),am" and "mov an,(am)".

31
opcodes/mn10200-opc.c
View File

@ -121,8 +121,12 @@ const struct mn10200_operand mn10200_operands[] = {
#define SIMM16 (SIMM8+1)
{16, 0, MN10200_OPERAND_SIGNED | MN10200_OPERAND_PROMOTE},
/* 16 bit signed immediate which may not promote. */
#define SIMM16N (SIMM16+1)
{16, 0, MN10200_OPERAND_SIGNED | MN10200_OPERAND_NOCHECK},
/* Either an open paren or close paren. */
#define PAREN (SIMM16+1)
#define PAREN (SIMM16N+1)
{0, 0, MN10200_OPERAND_PAREN},
/* dn register that appears in the first and second register positions. */
@ -271,14 +275,14 @@ const struct mn10200_opcode mn10200_opcodes[] = {
{ "and", 0xf300, 0xfff0, FMT_4, {DN1, DM0}},
{ "and", 0xf50000, 0xfffc00, FMT_5, {IMM8, DN0}},
{ "and", 0xf7000000, 0xfffc0000, FMT_6, {IMM16, DN0}},
{ "and", 0xf7100000, 0xffff0000, FMT_6, {IMM16, PSW}},
{ "and", 0xf7000000, 0xfffc0000, FMT_6, {SIMM16N, DN0}},
{ "and", 0xf7100000, 0xffff0000, FMT_6, {SIMM16N, PSW}},
{ "or", 0xf310, 0xfff0, FMT_4, {DN1, DM0}},
{ "or", 0xf50800, 0xfffc00, FMT_5, {IMM8, DN0}},
{ "or", 0xf7400000, 0xfffc0000, FMT_6, {IMM16, DN0}},
{ "or", 0xf7140000, 0xffff0000, FMT_6, {IMM16, PSW}},
{ "or", 0xf7400000, 0xfffc0000, FMT_6, {SIMM16N, DN0}},
{ "or", 0xf7140000, 0xffff0000, FMT_6, {SIMM16N, PSW}},
{ "xor", 0xf320, 0xfff0, FMT_4, {DN1, DM0}},
{ "xor", 0xf74c0000, 0xfffc0000, FMT_6, {IMM16, DN0}},
{ "xor", 0xf74c0000, 0xfffc0000, FMT_6, {SIMM16N, DN0}},
{ "not", 0xf3e4, 0xfffc, FMT_4, {DN0}},
{ "asr", 0xf338, 0xfffc, FMT_4, {DN0}},
@ -287,7 +291,7 @@ const struct mn10200_opcode mn10200_opcodes[] = {
{ "rol", 0xf330, 0xfffc, FMT_4, {DN0}},
{ "btst", 0xf50400, 0xfffc00, FMT_5, {IMM8, DN0}},
{ "btst", 0xf7040000, 0xfffc0000, FMT_6, {IMM16, DN0}},
{ "btst", 0xf7040000, 0xfffc0000, FMT_6, {SIMM16N, DN0}},
{ "bset", 0xf020, 0xfff0, FMT_4, {DM0, MEM(AN1)}},
{ "bclr", 0xf030, 0xfff0, FMT_4, {DM0, MEM(AN1)}},
@ -333,6 +337,19 @@ const struct mn10200_opcode mn10200_opcodes[] = {
{ "rts", 0xfe, 0xff, FMT_1, {UNUSED}},
{ "rti", 0xeb, 0xff, FMT_1, {UNUSED}},
/* Extension. We need some instruction to trigger "emulated syscalls"
for our simulator. */
{ "trap", 0xf010, 0xffff, FMT_4, {UNUSED}},
/* Extension. When talking to the simulator, gdb requires some instruction
that will trigger a "breakpoint" (really just an instruction that isn't
otherwise used by the tools. This instruction must be the same size
as the smallest instruction on the target machine. In the case of the
mn10x00 the "break" instruction must be one byte. 0xff is available on
both mn10x00 architectures. */
{ "break", 0xff, 0xff, FMT_1, {UNUSED}},
{ 0, 0, 0, 0, {0}},
} ;