haraldwolff/qemu-patch-raspberry4
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ppc/pnv: Add support for HRMOR on Radix host

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When in HV mode, if EA[0] is 0, the Hypervisor Offset Real Mode
Register controls the access.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200127144154.10170-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2020-01-27 15:41:52 +01:00 committed by David Gibson
parent 12b3868ead
commit a9ec49af3b
1 changed files with 6 additions and 0 deletions
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6
target/ppc/mmu-radix64.c
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@ -235,6 +235,12 @@ int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
/* In real mode top 4 effective addr bits (mostly) ignored */
raddr = eaddr & 0x0FFFFFFFFFFFFFFFULL;
/* In HV mode, add HRMOR if top EA bit is clear */
if (msr_hv || !env->has_hv_mode) {
if (!(eaddr >> 63)) {
raddr |= env->spr[SPR_HRMOR];
}
}
tlb_set_page(cs, eaddr & TARGET_PAGE_MASK, raddr & TARGET_PAGE_MASK,
PAGE_READ | PAGE_WRITE | PAGE_EXEC, mmu_idx,
TARGET_PAGE_SIZE);