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target/ppc: Handle AIL=0 in ppc_excp_vector_offset

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The exception vector offset calculation was moved into a function but
the case when AIL=0 was not checked.

The reason we got away with this is that the sole caller of
ppc_excp_vector_offset checks the AIL before calling the function:

    /* Handle AIL */
    if (ail) {
        ...
        vector |= ppc_excp_vector_offset(cs, ail);
    }

Fixes: 2586a4d7a0 ("target/ppc: Move exception vector offset computation into a function")
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20191217142512.574075-1-farosas@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Fabiano Rosas 2019-12-17 11:25:12 -03:00 committed by David Gibson
parent 38fc68a489
commit bc5fdfc0a1
1 changed files with 2 additions and 0 deletions
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2
target/ppc/excp_helper.c
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@ -112,6 +112,8 @@ static uint64_t ppc_excp_vector_offset(CPUState *cs, int ail)
uint64_t offset = 0;
switch (ail) {
case AIL_NONE:
break;
case AIL_0001_8000:
offset = 0x18000;
break;