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target/hppa: Implement LPA

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-11-05 10:50:47 +01:00
parent d0a851cc50
commit 2dfcca9ffc
5 changed files with 58 additions and 5 deletions
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30
target/hppa/translate.c
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@ -2433,6 +2433,35 @@ static DisasJumpType trans_pxtlbx(DisasContext *ctx, uint32_t insn,
return nullify_end(ctx, !is_data && (ctx->base.tb->flags & PSW_C)
? DISAS_IAQ_N_STALE : DISAS_NEXT);
}
static DisasJumpType trans_lpa(DisasContext *ctx, uint32_t insn,
const DisasInsn *di)
{
unsigned rt = extract32(insn, 0, 5);
unsigned m = extract32(insn, 5, 1);
unsigned sp = extract32(insn, 14, 2);
unsigned rx = extract32(insn, 16, 5);
unsigned rb = extract32(insn, 21, 5);
TCGv_tl vaddr;
TCGv_reg ofs, paddr;
CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
nullify_over(ctx);
form_gva(ctx, &vaddr, &ofs, rb, rx, 0, 0, sp, m, false);
paddr = tcg_temp_new();
gen_helper_lpa(paddr, cpu_env, vaddr);
/* Note that physical address result overrides base modification. */
if (m) {
save_gpr(ctx, rb, ofs);
}
save_gpr(ctx, rt, paddr);
tcg_temp_free(paddr);
return nullify_end(ctx, DISAS_NEXT);
}
#endif /* !CONFIG_USER_ONLY */
static const DisasInsn table_mem_mgmt[] = {
@ -2460,6 +2489,7 @@ static const DisasInsn table_mem_mgmt[] = {
{ 0x04000240u, 0xfc001fdfu, trans_pxtlbx }, /* pitlbe */
{ 0x04001200u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlb */
{ 0x04001240u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlbe */
{ 0x04001340u, 0xfc003fc0u, trans_lpa },
#endif
};