On 13/02/2018 17:23, David Hildenbrand wrote:
> This series implements
> - detection of installed physical memory
> - setup of the physical allocator
> - setup of the MMU / page tables / DAT
> - setup of the virtual allocator
>
> The CPU now runs with DAT enabled. I added a small test to make sure
> malloc() indeed works and uses virtual adresses. Also, the sieve test
> is added.
>
> While at it, fix the TEST BLOCK test on newer compilers.
>
> Tested with upsteam QEMU TCG and KVM. However, to pass under TCG a
> fix is necessary ("[PATCH v1] s390x/tcg: fix disabling/enabling DAT").
>
> v2 -> v3:
> - split up configure_dat() to make use of two functions extract_psw_mask()
> and load_psw_mask(), it is now much cleaner and we might need these
> functions in the future.
> - Minor cleanups / comment fixes
Applied, thanks. Happy that the arm/x86 code generalized decently to s390!
Paolo
>
>
> David Hildenbrand (11):
> s390x: fix TEST BLOCK tests
> s390x: use highest addresses for PGM_ADDRESSING errors
> s390x: set initital stack pointer to stackptr, not stacktop
> s390x: add missing sclp definitions from QEMU
> s390x: rename sclp_setup() to sclp_ascii_setup()
> s390x: detect installed memory
> s390x: initialize the physical allocator
> s390x: add vmalloc support
> s390x: enable DAT in PGM interrupt handler
> s390x: add test for (v)malloc
> s390x: add sieve test
>
> lib/s390x/asm/arch_def.h | 58 ++++++++++++
> lib/s390x/asm/interrupt.h | 1 +
> lib/s390x/asm/page.h | 24 +++++
> lib/s390x/asm/pgtable.h | 224 ++++++++++++++++++++++++++++++++++++++++++++++
> lib/s390x/interrupt.c | 11 +++
> lib/s390x/io.c | 3 +-
> lib/s390x/mmu.c | 108 ++++++++++++++++++++++
> lib/s390x/sclp-ascii.c | 6 +-
> lib/s390x/sclp.c | 72 +++++++++++++++
> lib/s390x/sclp.h | 112 ++++++++++++++++++++++-
> s390x/Makefile | 7 ++
> s390x/cstart64.S | 2 +-
> s390x/intercept.c | 14 +--
> s390x/selftest.c | 31 ++++++-
> s390x/sieve.c | 59 ++++++++++++
> s390x/unittests.cfg | 6 ++
> 16 files changed, 723 insertions(+), 15 deletions(-)
> create mode 100644 lib/s390x/asm/pgtable.h
> create mode 100644 lib/s390x/mmu.c
> create mode 100644 lib/s390x/sclp.c
> create mode 100644 s390x/sieve.c
>
