diff options
| author | Leon Alrae <leon.alrae@imgtec.com> | 2014-06-27 08:49:06 +0100 |
|---|---|---|
| committer | Leon Alrae <leon.alrae@imgtec.com> | 2014-10-14 13:26:54 +0100 |
| commit | d4ea6acdf60db1d8373543e1557ba908f5d5479b (patch) | |
| tree | 02089ab77e16ee6afb31713e638dfc3b5d84388f /disas | |
| parent | 31837be3eefed955504a3396d9baef8bcdec672e (diff) | |
target-mips: add AUI, LSA and PCREL instruction families
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Diffstat (limited to 'disas')
| -rw-r--r-- | disas/mips.c | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/disas/mips.c b/disas/mips.c index 823436990e..850cb65dd7 100644 --- a/disas/mips.c +++ b/disas/mips.c @@ -407,6 +407,12 @@ struct mips_opcode "+3" UDI immediate bits 6-20 "+4" UDI immediate bits 6-25 + R6 immediates/displacements : + (adding suffix to 'o' to avoid adding new characters) + "+o" 9 bits immediate/displacement (shift = 7) + "+o1" 18 bits immediate/displacement (shift = 0) + "+o2" 19 bits immediate/displacement (shift = 0) + Other: "()" parens surrounding optional value "," separates operands @@ -1217,6 +1223,17 @@ const struct mips_opcode mips_builtin_opcodes[] = them first. The assemblers uses a hash table based on the instruction name anyhow. */ /* name, args, match, mask, pinfo, membership */ +{"lwpc", "s,+o2", 0xec080000, 0xfc180000, WR_d, 0, I32R6}, +{"lwupc", "s,+o2", 0xec100000, 0xfc180000, WR_d, 0, I64R6}, +{"ldpc", "s,+o1", 0xec180000, 0xfc1c0000, WR_d, 0, I64R6}, +{"addiupc", "s,+o2", 0xec000000, 0xfc180000, WR_d, 0, I32R6}, +{"auipc", "s,u", 0xec1e0000, 0xfc1f0000, WR_d, 0, I32R6}, +{"aluipc", "s,u", 0xec1f0000, 0xfc1f0000, WR_d, 0, I32R6}, +{"daui", "s,t,u", 0x74000000, 0xfc000000, RD_s|WR_t, 0, I64R6}, +{"dahi", "s,u", 0x04060000, 0xfc1f0000, RD_s, 0, I64R6}, +{"dati", "s,u", 0x041e0000, 0xfc1f0000, RD_s, 0, I64R6}, +{"lsa", "d,s,t", 0x00000005, 0xfc00073f, WR_d|RD_s|RD_t, 0, I32R6}, +{"dlsa", "d,s,t", 0x00000015, 0xfc00073f, WR_d|RD_s|RD_t, 0, I64R6}, {"clz", "U,s", 0x00000050, 0xfc1f07ff, WR_d|RD_s, 0, I32R6}, {"clo", "U,s", 0x00000051, 0xfc1f07ff, WR_d|RD_s, 0, I32R6}, {"dclz", "U,s", 0x00000052, 0xfc1f07ff, WR_d|RD_s, 0, I64R6}, @@ -1822,6 +1839,7 @@ const struct mips_opcode mips_builtin_opcodes[] = {"lld", "t,o(b)", 0xd0000000, 0xfc000000, LDD|RD_b|WR_t, 0, I3 }, {"lld", "t,A(b)", 0, (int) M_LLD_AB, INSN_MACRO, 0, I3 }, {"lui", "t,u", 0x3c000000, 0xffe00000, WR_t, 0, I1 }, +{"aui", "s,t,u", 0x3c000000, 0xfc000000, RD_s|WR_t, 0, I32R6}, {"luxc1", "D,t(b)", 0x4c000005, 0xfc00f83f, LDD|WR_D|RD_t|RD_b|FP_D, 0, I5|I33|N55}, {"lw", "t,o(b)", 0x8c000000, 0xfc000000, LDD|RD_b|WR_t, 0, I1 }, {"lw", "t,A(b)", 0, (int) M_LW_AB, INSN_MACRO, 0, I1 }, @@ -3645,10 +3663,28 @@ print_insn_args (const char *d, break; case 'o': - delta = (l >> OP_SH_DELTA_R6) & OP_MASK_DELTA_R6; - if (delta & 0x8000) { - delta |= ~0xffff; + switch (*(d+1)) { + case '1': + d++; + delta = l & ((1 << 18) - 1); + if (delta & 0x20000) { + delta |= ~0x1ffff; + } + break; + case '2': + d++; + delta = l & ((1 << 19) - 1); + if (delta & 0x40000) { + delta |= ~0x3ffff; + } + break; + default: + delta = (l >> OP_SH_DELTA_R6) & OP_MASK_DELTA_R6; + if (delta & 0x8000) { + delta |= ~0xffff; + } } + (*info->fprintf_func) (info->stream, "%d", delta); break; |