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target-ppc: add slbsync implementation 

slbsync: SLB Synchoronize

The instruction provides an ordering function for the effects of all
slbieg instructions executed by the thread executing the slbsync
instruction.

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 16:04:02 +05:30 committed by David Gibson
parent a63f1dfc62
commit 62d897ca8b
1 changed files with 12 additions and 0 deletions
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12
target/ppc/translate.c
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@ -4497,6 +4497,17 @@ static void gen_slbieg(DisasContext *ctx)
#endif /* defined(CONFIG_USER_ONLY) */
}
/* slbsync */
static void gen_slbsync(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
GEN_PRIV;
#else
CHK_SV;
gen_check_tlb_flush(ctx, true);
#endif /* defined(CONFIG_USER_ONLY) */
}
#endif /* defined(TARGET_PPC64) */
/*** External control ***/
@ -6453,6 +6464,7 @@ GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
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),
GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
#endif
GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),