On 05/18/2017 10:26 AM, Thomas Huth wrote:
TEST BLOCK was likely once used to execute basic memory
tests, but nowadays it's just a (slow) way to clear a page.
Signed-off-by: Thomas Huth<th...@redhat.com>
---
v4:
- Switched TCG_CALL_NO_RWG back to TCG_CALL_NO_WG as indicated by Richard
v3:
- Use TCG_CALL_NO_RWG instead of TCG_CALL_NO_WG
- Use potential_page_fault() since the helper can generate an exception
v2:
- Use DEF_HELPER_FLAGS_2 instead for DEF_HELPER_2 for returning CC value
- Convert real to absolute address
- Added a check for valid RAM page
- Added low-address protection check
target/s390x/cpu.h | 1 +
target/s390x/helper.h | 1 +
target/s390x/insn-data.def | 2 ++
target/s390x/mem_helper.c | 28 ++++++++++++++++++++++++++++
target/s390x/mmu_helper.c | 2 +-
target/s390x/translate.c | 11 +++++++++++
6 files changed, 44 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <r...@twiddle.net>
r~
