diff options
| author | Alexander Graf <agraf@suse.de> | 2012-01-20 04:09:15 +0100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-02-02 02:47:46 +0100 |
| commit | 6d3db821c18fdc9727108b5b4bbb38cb7ab5c0e6 (patch) | |
| tree | c1884c2333164f47bd34145305f7eb4976e58496 /target-ppc/translate.c | |
| parent | 5935ee072d6fbcdf28ff6132ba6d8c3a1356bb0a (diff) | |
PPC: booke206: Implement tlbilx
The PowerPC 2.06 BookE ISA defines an opcode called "tlbilx" which is used
to flush TLB entries. It's the recommended way of flushing in virtualized
environments.
So far we got away without implementing it, but Linux for e500mc uses this
instruction, so we better add it :).
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index adde65b277..d8ef7196b4 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6110,6 +6110,39 @@ static void gen_tlbivax_booke206(DisasContext *ctx) #endif } +static void gen_tlbilx_booke206(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); +#else + TCGv t0; + if (unlikely(!ctx->mem_idx)) { + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return; + } + + t0 = tcg_temp_new(); + gen_addr_reg_index(ctx, t0); + + switch((ctx->opcode >> 21) & 0x3) { + case 0: + gen_helper_booke206_tlbilx0(t0); + break; + case 1: + gen_helper_booke206_tlbilx1(t0); + break; + case 3: + gen_helper_booke206_tlbilx3(t0); + break; + default: + gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); + break; + } + + tcg_temp_free(t0); +#endif +} + /* wrtee */ static void gen_wrtee(DisasContext *ctx) @@ -8574,6 +8607,8 @@ GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001, PPC_NONE, PPC2_BOOKE206), +GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001, + PPC_NONE, PPC2_BOOKE206), GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE), GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE), GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC), |