1 // See LICENSE for license details.
2
3 #include "rocc.h"
4 #include "trap.h"
5 #include <cstdlib>
6
7 #define customX(n) \
8 static reg_t c##n(processor_t* p, insn_t insn, reg_t pc) \
9 { \
10 rocc_t* rocc = static_cast<rocc_t*>(p->get_extension()); \
11 rocc_insn_union_t u; \
12 u.i = insn; \
13 reg_t xs1 = u.r.xs1 ? RS1 : -1; \
14 reg_t xs2 = u.r.xs2 ? RS2 : -1; \
15 reg_t xd = rocc->custom##n(u.r, xs1, xs2); \
16 if (u.r.xd) \
17 WRITE_RD(xd); \
18 return pc+4; \
19 } \
20 \
21 reg_t rocc_t::custom##n(rocc_insn_t insn, reg_t xs1, reg_t xs2) \
22 { \
23 illegal_instruction(); \
24 return 0; \
25 }
26
27 customX(0)
28 customX(1)
29 customX(2)
30 customX(3)
31
get_instructions()32 std::vector<insn_desc_t> rocc_t::get_instructions()
33 {
34 std::vector<insn_desc_t> insns;
35 insns.push_back((insn_desc_t){0x0b, 0x7f, &::illegal_instruction, c0});
36 insns.push_back((insn_desc_t){0x2b, 0x7f, &::illegal_instruction, c1});
37 insns.push_back((insn_desc_t){0x5b, 0x7f, &::illegal_instruction, c2});
38 insns.push_back((insn_desc_t){0x7b, 0x7f, &::illegal_instruction, c3});
39 return insns;
40 }
41
get_disasms()42 std::vector<disasm_insn_t*> rocc_t::get_disasms()
43 {
44 std::vector<disasm_insn_t*> insns;
45 return insns;
46 }
47