OpenE2K
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qemu-e2k
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target: e2k: Add store instrs.

This commit is contained in:
Denis Drakhnia 2020-11-13 11:50:26 +02:00 committed by Denis Drakhnia
parent 1edcdfc743
commit 3d15ee8026
1 changed files with 50 additions and 0 deletions
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50
target/e2k/translate/alc.c
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@ -368,6 +368,20 @@ static void gen_ld(DisasContext *dc, int chan, MemOp memop)
tcg_temp_free_i64(t0);
}
static void gen_st(DisasContext *dc, int chan, MemOp memop)
{
uint32_t als = dc->bundle.als[chan];
TCGv_i64 src1 = get_src1(dc, als);
TCGv_i64 src2 = get_src2(dc, als);
TCGv_i64 src4 = get_dst(dc, als);
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_add_i64(t0, src1, src2);
tcg_gen_qemu_st_i64(src4, t0, dc->mmuidx, memop);
tcg_temp_free_i64(t0);
}
static void gen_op2_i32(TCGv_i64 ret, TCGv_i64 s1, TCGv_i64 s2, TCGv_i64 dst,
void (*op)(TCGv_i32, TCGv_i32, TCGv_i32))
{
@ -502,6 +516,42 @@ static void gen_alopf_simple(DisasContext *dc, int chan)
break;
}
case 0x24: { /* stb */
if (chan == 2 || chan == 5) {
gen_st(dc, chan, MO_UB);
} else {
/* TODO: exception */
abort();
}
break;
}
case 0x25: { /* sth */
if (chan == 2 || chan == 5) {
gen_st(dc, chan, MO_TEUW);
} else {
/* TODO: exception */
abort();
}
break;
}
case 0x26: { /* stw */
if (chan == 2 || chan == 5) {
gen_st(dc, chan, MO_TEUL);
} else {
/* TODO: exception */
abort();
}
break;
}
case 0x27: { /* std */
if (chan == 2 || chan == 5) {
gen_st(dc, chan, MO_TEQ);
} else {
/* TODO: exception */
abort();
}
break;
}
case 0x40: // TODO: udivs used as temporary UD
e2k_gen_exception(dc, E2K_EXCP_UNIMPL);
break;