target/ppc: Implement slbiag
Reviewed-by: Leandro Lupori <leandro.lupori@eldorado.org.br> Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br> Message-Id: <20220701133507.740619-12-lucas.coutinho@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
parent
acc130cf1d
commit
491a25535c
|
@ -681,6 +681,7 @@ DEF_HELPER_2(SLBMFEE, tl, env, tl)
|
|||
DEF_HELPER_2(SLBMFEV, tl, env, tl)
|
||||
DEF_HELPER_2(SLBFEE, tl, env, tl)
|
||||
DEF_HELPER_FLAGS_2(SLBIA, TCG_CALL_NO_RWG, void, env, i32)
|
||||
DEF_HELPER_FLAGS_3(SLBIAG, TCG_CALL_NO_RWG, void, env, tl, i32)
|
||||
DEF_HELPER_FLAGS_2(SLBIE, TCG_CALL_NO_RWG, void, env, tl)
|
||||
DEF_HELPER_FLAGS_2(SLBIEG, TCG_CALL_NO_RWG, void, env, tl)
|
||||
#endif
|
||||
|
|
|
@ -152,6 +152,9 @@
|
|||
&X_rb rb
|
||||
@X_rb ...... ..... ..... rb:5 .......... . &X_rb
|
||||
|
||||
&X_rs_l rs l:bool
|
||||
@X_rs_l ...... rs:5 .... l:1 ..... .......... . &X_rs_l
|
||||
|
||||
&X_uim5 xt uim:uint8_t
|
||||
@X_uim5 ...... ..... ..... uim:5 .......... . &X_uim5 xt=%x_xt
|
||||
|
||||
|
@ -869,6 +872,7 @@ SLBIE 011111 ----- ----- ..... 0110110010 - @X_rb
|
|||
SLBIEG 011111 ..... ----- ..... 0111010010 - @X_tb
|
||||
|
||||
SLBIA 011111 --... ----- ----- 0111110010 - @X_ih
|
||||
SLBIAG 011111 ..... ----. ----- 1101010010 - @X_rs_l
|
||||
|
||||
SLBMTE 011111 ..... ----- ..... 0110010010 - @X_tb
|
||||
|
||||
|
|
|
@ -173,6 +173,33 @@ void helper_SLBIA(CPUPPCState *env, uint32_t ih)
|
|||
}
|
||||
}
|
||||
|
||||
#if defined(TARGET_PPC64)
|
||||
void helper_SLBIAG(CPUPPCState *env, target_ulong rs, uint32_t l)
|
||||
{
|
||||
PowerPCCPU *cpu = env_archcpu(env);
|
||||
int n;
|
||||
|
||||
/*
|
||||
* slbiag must always flush all TLB (which is equivalent to ERAT in ppc
|
||||
* architecture). Matching on SLB_ESID_V is not good enough, because slbmte
|
||||
* can overwrite a valid SLB without flushing its lookaside information.
|
||||
*
|
||||
* It would be possible to keep the TLB in synch with the SLB by flushing
|
||||
* when a valid entry is overwritten by slbmte, and therefore slbiag would
|
||||
* not have to flush unless it evicts a valid SLB entry. However it is
|
||||
* expected that slbmte is more common than slbiag, and slbiag is usually
|
||||
* going to evict valid SLB entries, so that tradeoff is unlikely to be a
|
||||
* good one.
|
||||
*/
|
||||
env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
|
||||
|
||||
for (n = 0; n < cpu->hash64_opts->slb_size; n++) {
|
||||
ppc_slb_t *slb = &env->slb[n];
|
||||
slb->esid &= ~SLB_ESID_V;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
static void __helper_slbie(CPUPPCState *env, target_ulong addr,
|
||||
target_ulong global)
|
||||
{
|
||||
|
|
|
@ -65,6 +65,20 @@ static bool trans_SLBIA(DisasContext *ctx, arg_SLBIA *a)
|
|||
return true;
|
||||
}
|
||||
|
||||
static bool trans_SLBIAG(DisasContext *ctx, arg_SLBIAG *a)
|
||||
{
|
||||
REQUIRE_64BIT(ctx);
|
||||
REQUIRE_INSNS_FLAGS2(ctx, ISA300);
|
||||
REQUIRE_SV(ctx);
|
||||
|
||||
#if !defined(CONFIG_USER_ONLY) && defined(TARGET_PPC64)
|
||||
gen_helper_SLBIAG(cpu_env, cpu_gpr[a->rs], tcg_constant_i32(a->l));
|
||||
#else
|
||||
qemu_build_not_reached();
|
||||
#endif
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool trans_SLBMTE(DisasContext *ctx, arg_SLBMTE *a)
|
||||
{
|
||||
REQUIRE_64BIT(ctx);
|
||||
|
|
Loading…
Reference in New Issue