haraldwolff/qemu-patch-raspberry4
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target-ppc: add slbieg instruction

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slbieg: SLB Invalidate Entry Global

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2017-02-09 16:04:01 +05:30 committed by David Gibson
parent 80b8c1ee05
commit a63f1dfc62
3 changed files with 29 additions and 2 deletions
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1
target/ppc/helper.h
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@ -669,6 +669,7 @@ DEF_HELPER_2(load_slb_vsid, tl, env, tl)
DEF_HELPER_2(find_slb_vsid, tl, env, tl)
DEF_HELPER_FLAGS_1(slbia, TCG_CALL_NO_RWG, void, env)
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
DEF_HELPER_FLAGS_2(load_sr, TCG_CALL_NO_RWG, tl, env, tl)
DEF_HELPER_FLAGS_3(store_sr, TCG_CALL_NO_RWG, void, env, tl, tl)

16
target/ppc/mmu-hash64.c
View file

@ -115,7 +115,8 @@ void helper_slbia(CPUPPCState *env)
}
}
void helper_slbie(CPUPPCState *env, target_ulong addr)
static void __helper_slbie(CPUPPCState *env, target_ulong addr,
target_ulong global)
{
PowerPCCPU *cpu = ppc_env_get_cpu(env);
ppc_slb_t *slb;
@ -132,10 +133,21 @@ void helper_slbie(CPUPPCState *env, target_ulong addr)
* and we still don't have a tlb_flush_mask(env, n, mask)
* in QEMU, we just invalidate all TLBs
*/
env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
env->tlb_need_flush |=
(global == false ? TLB_NEED_LOCAL_FLUSH : TLB_NEED_GLOBAL_FLUSH);
}
}
void helper_slbie(CPUPPCState *env, target_ulong addr)
{
__helper_slbie(env, addr, false);
}
void helper_slbieg(CPUPPCState *env, target_ulong addr)
{
__helper_slbie(env, addr, true);
}
int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot,
target_ulong esid, target_ulong vsid)
{

14
target/ppc/translate.c
View file

@ -4484,6 +4484,19 @@ static void gen_slbie(DisasContext *ctx)
gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}
/* slbieg */
static void gen_slbieg(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
GEN_PRIV;
#else
CHK_SV;
gen_helper_slbieg(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}
#endif /* defined(TARGET_PPC64) */
/*** External control ***/
@ -6439,6 +6452,7 @@ GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
#if defined(TARGET_PPC64)
GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
GEN_HANDLER_E(slbieg, 0x1F, 0x12, 0x0E, 0x001F0001, PPC_NONE, PPC2_ISA300),
#endif
GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),