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qemu-e2k
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target: e2k: Execute load on flush cache MAS.

This commit is contained in:
Denis Drakhnia 2020-12-29 11:59:11 +02:00 committed by Denis Drakhnia
parent ed20953a35
commit 94f7599a54
1 changed files with 17 additions and 3 deletions
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20
target/e2k/translate/alc.c
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@ -1670,9 +1670,18 @@ static MemOp gen_mas(DisasContext *ctx, Instr *instr, MemOp memop, TCGv_i64 addr
if ((mas & 0x7) == 7) {
int opc = mas >> 3;
// TODO: special mas
e2k_todo(ctx, "opc %#x, chan %d, mas=%#x (opc %#x)", instr->opc1,
instr->chan, mas, opc);
return 0;
switch (opc) {
case 0:
/* flush cache */
memop |= MO_LE;
e2k_todo(ctx, "opc %#x, chan %d, flush cache", instr->opc1,
instr->chan);
break;
default:
e2k_todo(ctx, "opc %#x, chan %d, mas=%#x (opc %#x)", instr->opc1,
instr->chan, mas, opc);
return 0;
}
} else if (mas) {
int mod = extract8(mas, 0, 3);
// int dc = extract8(mas, 5, 2);
@ -1711,6 +1720,11 @@ static void gen_ld(DisasContext *ctx, Instr *instr, MemOp memop)
tcg_gen_add_i64(t0, s1.value, s2.value);
memop = gen_mas(ctx, instr, memop, t0);
if (memop == 0) {
// FIXME: hack
return;
}
if (instr->sm) {
gen_helper_probe_read_access(t1, cpu_env, t0);
tcg_gen_brcondi_i32(TCG_COND_EQ, t1, 1, l0);