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target/ppc: Support for POWER9 native hash

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(Might need more patch splitting)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190215170029.15641-12-clg@kaod.org>
[dwg: Hack to fix compile with some earlier include tweaks of mine]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2019-02-15 18:00:28 +01:00 • committed by David Gibson
parent 79825f4d58
commit 3367c62f52
4 changed files with 70 additions and 20 deletions
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19
target/ppc/mmu-hash64.h
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@ -63,6 +63,7 @@ void ppc_hash64_filter_pagesizes(PowerPCCPU *cpu,
#define SDR_64_HTABORG 0x0FFFFFFFFFFC0000ULL
#define SDR_64_HTABSIZE 0x000000000000001FULL
#define PATE0_HTABORG 0x0FFFFFFFFFFC0000ULL
#define HPTES_PER_GROUP 8
#define HASH_PTE_SIZE_64 16
#define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP)
@ -107,24 +108,6 @@ void ppc_hash64_filter_pagesizes(PowerPCCPU *cpu,
#define HPTE64_R_3_0_SSIZE_SHIFT 58
#define HPTE64_R_3_0_SSIZE_MASK (3ULL << HPTE64_R_3_0_SSIZE_SHIFT)
static inline hwaddr ppc_hash64_hpt_base(PowerPCCPU *cpu)
{
if (cpu->vhyp) {
return 0;
}
return cpu->env.spr[SPR_SDR1] & SDR_64_HTABORG;
}
static inline hwaddr ppc_hash64_hpt_mask(PowerPCCPU *cpu)
{
if (cpu->vhyp) {
PPCVirtualHypervisorClass *vhc =
PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
return vhc->hpt_mask(cpu->vhyp);
}
return (1ULL << ((cpu->env.spr[SPR_SDR1] & SDR_64_HTABSIZE) + 18 - 7)) - 1;
}
struct ppc_hash_pte64 {
uint64_t pte0, pte1;
};