target/ppc: Check effective address validity
For Radix translation, the EA range is 64-bits. when EA(2:11) are nonzero, a segment interrupt should occur. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com> Message-Id: <20211231073122.3183583-1-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
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@ -32,6 +32,11 @@ static bool ppc_radix64_get_fully_qualified_addr(const CPUPPCState *env,
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vaddr eaddr,
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uint64_t *lpid, uint64_t *pid)
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{
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/* When EA(2:11) are nonzero, raise a segment interrupt */
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if (eaddr & ~R_EADDR_VALID_MASK) {
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return false;
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}
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if (msr_hv) { /* MSR[HV] -> Hypervisor/bare metal */
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switch (eaddr & R_EADDR_QUADRANT) {
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case R_EADDR_QUADRANT0:
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@ -5,6 +5,7 @@
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/* Radix Quadrants */
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#define R_EADDR_MASK 0x3FFFFFFFFFFFFFFF
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#define R_EADDR_VALID_MASK 0xC00FFFFFFFFFFFFF
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#define R_EADDR_QUADRANT 0xC000000000000000
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#define R_EADDR_QUADRANT0 0x0000000000000000
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#define R_EADDR_QUADRANT1 0x4000000000000000
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