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s390x/tcg: MVPG: Check for specification exceptions 

Perform the checks documented in the PoP.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2019-09-03 15:09:23 +02:00
parent b7dd1f7fd4
commit bf349f1a0d
1 changed files with 7 additions and 0 deletions
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7
target/s390x/mem_helper.c
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@ -672,6 +672,13 @@ uint64_t HELPER(clst)(CPUS390XState *env, uint64_t c, uint64_t s1, uint64_t s2)
/* move page */
uint32_t HELPER(mvpg)(CPUS390XState *env, uint64_t r0, uint64_t r1, uint64_t r2)
{
const bool f = extract64(r0, 11, 1);
const bool s = extract64(r0, 10, 1);
if ((f && s) || extract64(r0, 12, 4)) {
s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
}
/* ??? missing r0 handling, which includes access keys, but more
importantly optional suppression of the exception! */
fast_memmove(env, r1, r2, TARGET_PAGE_SIZE, GETPC());