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target/hppa: Implement LCI 

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-11-05 11:02:40 +01:00
parent 2dfcca9ffc
commit 43a97b81b5
1 changed files with 20 additions and 0 deletions
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20
target/hppa/translate.c
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@ -2462,6 +2462,25 @@ static DisasJumpType trans_lpa(DisasContext *ctx, uint32_t insn,
return nullify_end(ctx, DISAS_NEXT); return nullify_end(ctx, DISAS_NEXT);
} }
static DisasJumpType trans_lci(DisasContext *ctx, uint32_t insn,
const DisasInsn *di)
{
unsigned rt = extract32(insn, 0, 5);
TCGv_reg ci;
CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
/* The Coherence Index is an implementation-defined function of the
physical address. Two addresses with the same CI have a coherent
view of the cache. Our implementation is to return 0 for all,
since the entire address space is coherent. */
ci = tcg_const_reg(0);
save_gpr(ctx, rt, ci);
tcg_temp_free(ci);
return DISAS_NEXT;
}
#endif /* !CONFIG_USER_ONLY */ #endif /* !CONFIG_USER_ONLY */
static const DisasInsn table_mem_mgmt[] = { static const DisasInsn table_mem_mgmt[] = {
@ -2490,6 +2509,7 @@ static const DisasInsn table_mem_mgmt[] = {
{ 0x04001200u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlb */ { 0x04001200u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlb */
{ 0x04001240u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlbe */ { 0x04001240u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlbe */
{ 0x04001340u, 0xfc003fc0u, trans_lpa }, { 0x04001340u, 0xfc003fc0u, trans_lpa },
{ 0x04001300u, 0xfc003fe0u, trans_lci },
#endif #endif
}; };