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  1. 03 10月, 2018 31 次提交
  3. 02 10月, 2018 9 次提交
    • P
      Merge remote-tracking branch 'remotes/dgibson/tags/libfdt-20181002' into staging · 3892f1f1
      由 Peter Maydell 提交于 
      Update dtc submodule to v1.4.7

We have some upcoming things planned for ppc that will require some
newer libfdt features.  In preparation, update the dtc/libfdt
submodule to upstreasm version v1.4.7.

# gpg: Signature made Tue 02 Oct 2018 05:23:43 BST
# gpg:                using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/libfdt-20181002:
  Update dtc/libfdt submodule to v1.4.7
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
      3892f1f1
    • P
      Merge remote-tracking branch 'remotes/xtensa/tags/20181001-xtensa' into staging · 8f09da69
      由 Peter Maydell 提交于 
      target/xtensa: preparation for FLIX support

Separate generation of per-instruction code (such as raising exceptions
and terminating TB) from per-opcode code.

# gpg: Signature made Mon 01 Oct 2018 19:14:34 BST
# gpg:                using RSA key 51F9CC91F83FA044
# gpg: Good signature from "Max Filippov <filippov@cadence.com>"
# gpg:                 aka "Max Filippov <max.filippov@cogentembedded.com>"
# gpg:                 aka "Max Filippov <jcmvbkbc@gmail.com>"
# Primary key fingerprint: 2B67 854B 98E5 327D CDEB  17D8 51F9 CC91 F83F A044

* remotes/xtensa/tags/20181001-xtensa:
  target/xtensa: extract gen_check_interrupts call
  target/xtensa: make rsr/wsr helpers return void
  target/xtensa: extract unconditional TB termination via slot 0
  target/xtensa: always end TB on CCOUNT access/CCOMPARE write
  target/xtensa: change SR number checks to assertions
  target/xtensa: extract unconditional TB termination
  target/xtensa: extract test for division by zero
  target/xtensa: extract test for cpdisabled exception
  target/xtensa: extract test for alloca exception
  target/xtensa: extract test for window underflow exception
  target/xtensa: extract test for window overflow exception
  target/xtensa: extract test for debug exception
  target/xtensa: extract test for syscall instruction
  target/xtensa: extract test for privileged instruction
  target/xtensa: extract test for an illegal instruction
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
      8f09da69
    • D
      Update dtc/libfdt submodule to v1.4.7 · 0b001b30
      由 David Gibson 提交于 
      dtc v1.4.7 contains a bunch of improvements to make libfdt safer against
handling a corrupted or malicious tree, which is a good thing to have.  It
also includes an explicit fdt checking function that we'll be wanting in
future.
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
      0b001b30
    • M
      target/xtensa: extract gen_check_interrupts call · d74624e5
      由 Max Filippov 提交于 
      - mark instructions that affect active IRQ level;
- put call for gen_check_interrupts right after the instruction
  translation; when FLIX is enabled it will need to appear before
  other exits from the TB as well;
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
      d74624e5
    • M
      target/xtensa: make rsr/wsr helpers return void · c7159acb
      由 Max Filippov 提交于 
      Now that all logic for TB termination is extracted from rsr/wsr their
return value is not used and may be dropped.
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
      c7159acb
    • M
      target/xtensa: extract unconditional TB termination via slot 0 · bf525107
      由 Max Filippov 提交于 
      - mark instructions that require TB termination via slot 0;
- put TB termination right after the instruction translation loop, if
  termination w/o TB linking wasn't requested;
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
      bf525107
    • M
      target/xtensa: always end TB on CCOUNT access/CCOMPARE write · 06ec08a0
      由 Max Filippov 提交于 
      Currently we only end TB in icount mode, because access to CCOUNT or
write to CCOMPARE are IO operations. Simplify the behaviour a bit and
end TB unconditionally.
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
      06ec08a0
    • M
      target/xtensa: change SR number checks to assertions · 9dccbd1c
      由 Max Filippov 提交于 
      Opcode decoding with libisa takes care about range of valid group SRs,
like CCOMPARE, IBREAKA, DBREAKA or DBREAKC. Turn range checks in wsr
implementations into assertions.
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
      9dccbd1c
    • M
      target/xtensa: extract unconditional TB termination · 226444a8
      由 Max Filippov 提交于 
      - mark all instructions that exit TB and require dynamic search for the
  next TB;
- put TB termination right after the instruction translation loop;
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>
      226444a8