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authorRichard Henderson <richard.henderson@linaro.org>2017-10-27 18:33:23 +0200
committerRichard Henderson <richard.henderson@linaro.org>2018-01-30 10:22:26 -0800
commit63300a00ab52c770f8a76218d4a3a75e0db8a6d0 (patch)
treec1e3d56a2cecf0aec0d2d6d736c5b2cfc487788a /target/hppa/translate.c
parent8d6ae7fb3a9c4369979bcc7188966fa725eed033 (diff)
downloadqemu-63300a00ab52c770f8a76218d4a3a75e0db8a6d0.tar.gz
target/hppa: Implement P*TLB and P*TLBE insns
We now have all of the TLB manipulation instructions. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa/translate.c')
-rw-r--r--target/hppa/translate.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index c02d107041..5b77688fc0 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -2397,6 +2397,42 @@ static DisasJumpType trans_ixtlbx(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_pxtlbx(DisasContext *ctx, uint32_t insn,
+ const DisasInsn *di)
+{
+ unsigned m = extract32(insn, 5, 1);
+ unsigned sp;
+ unsigned rx = extract32(insn, 16, 5);
+ unsigned rb = extract32(insn, 21, 5);
+ unsigned is_data = insn & 0x1000;
+ unsigned is_local = insn & 0x40;
+ TCGv_tl addr;
+ TCGv_reg ofs;
+
+ if (is_data) {
+ sp = extract32(insn, 14, 2);
+ } else {
+ sp = ~assemble_sr3(insn);
+ }
+
+ CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
+ nullify_over(ctx);
+
+ form_gva(ctx, &addr, &ofs, rb, rx, 0, 0, sp, m, false);
+ if (m) {
+ save_gpr(ctx, rb, ofs);
+ }
+ if (is_local) {
+ gen_helper_ptlbe(cpu_env);
+ } else {
+ gen_helper_ptlb(cpu_env, addr);
+ }
+
+ /* Exit TB for TLB change if mmu is enabled. */
+ return nullify_end(ctx, !is_data && (ctx->base.tb->flags & PSW_C)
+ ? DISAS_IAQ_N_STALE : DISAS_NEXT);
+}
#endif /* !CONFIG_USER_ONLY */
static const DisasInsn table_mem_mgmt[] = {
@@ -2420,6 +2456,10 @@ static const DisasInsn table_mem_mgmt[] = {
{ 0x04000040u, 0xfc001fffu, trans_ixtlbx }, /* iitlba */
{ 0x04001000u, 0xfc001fffu, trans_ixtlbx }, /* idtlbp */
{ 0x04001040u, 0xfc001fffu, trans_ixtlbx }, /* idtlba */
+ { 0x04000200u, 0xfc001fdfu, trans_pxtlbx }, /* pitlb */
+ { 0x04000240u, 0xfc001fdfu, trans_pxtlbx }, /* pitlbe */
+ { 0x04001200u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlb */
+ { 0x04001240u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlbe */
#endif
};