motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-08 18:23:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/ppc: Support for POWER9 native hash

Browse source 
(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
Download patch file Download diff file Expand all files Collapse all files

18
target/ppc/mmu-book3s-v3.c
View file

@ -41,3 +41,21 @@ hwaddr ppc64_v3_get_phys_page_debug(PowerPCCPU *cpu, vaddr eaddr)
return ppc_hash64_get_phys_page_debug(cpu, eaddr);
}
}
bool ppc64_v3_get_pate(PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry)
{
uint64_t patb = cpu->env.spr[SPR_PTCR] & PTCR_PATB;
uint64_t pats = cpu->env.spr[SPR_PTCR] & PTCR_PATS;
/* Calculate number of entries */
pats = 1ull << (pats + 12 - 4);
if (pats <= lpid) {
return false;
}
/* Grab entry */
patb += 16 * lpid;
entry->dw0 = ldq_phys(CPU(cpu)->as, patb);
entry->dw1 = ldq_phys(CPU(cpu)->as, patb + 8);
return true;
}