- 06 10月, 2017 3 次提交
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由 David Hildenbrand 提交于
As we properly handle the return address now, we can drop potential_page_fault(). Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170926183318.12995-5-david@redhat.com> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Reviewed-by: NThomas Huth <thuth@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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由 David Hildenbrand 提交于
Looks like, lurag was not loading 64bit but only 32bit. As we properly handle the return address now, we can drop potential_page_fault(). Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170926183318.12995-4-david@redhat.com> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Reviewed-by: NThomas Huth <thuth@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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由 David Hildenbrand 提交于
We want to use it in another file. Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170920153016.3858-3-david@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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- 31 8月, 2017 2 次提交
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由 David Hildenbrand 提交于
cpu.h should only contain what really has to be accessed outside of target/s390x/. Add internal.h which can only be used inside target/s390x/. Move everything that isn't fast enough to run away and restructure it right away. We'll move all kvm_* stuff later. Minor style fixes to avoid checkpatch warning to: - struct Lowcore: "{" goes into same line as typedef - struct LowCore: add spaces around "-" in array length calculations - time2tod() and tod2time(): move "{" to separate line - get_per_atmid(): add space between ")" and "?". Move cases by one char. - get_per_atmid(): drop extra paremthesis around (1 << 6) Change license of new file to GPL2+ and keep copyright notice. Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Reviewed-by: NThomas Huth <thuth@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170818114353.13455-15-david@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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由 David Hildenbrand 提交于
Only used in that file. Reviewed-by: NThomas Huth <thuth@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170818114353.13455-12-david@redhat.com> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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- 04 8月, 2017 1 次提交
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由 Richard Henderson 提交于
Found by Coverity (CID 1378273). Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Reported-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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- 18 7月, 2017 5 次提交
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由 Richard Henderson 提交于
Drop TRT from the set of insns handled internally by EXECUTE. It's more important to adjust the existing helper to handle both TRT and TRTR. Reviewed-by: NAurelien Jarno <aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Richard Henderson 提交于
Reviewed-by: NAurelien Jarno <aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Richard Henderson 提交于
Since we require all registers saved on input, read R0 from ENV instead of passing it manually. Recognize the specification exception when R0 contains incorrect data. Keep high bits of result registers unmodified when in 31 or 24-bit mode. Reviewed-by: NAurelien Jarno <aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Richard Henderson 提交于
Reviewed-by: NAurelien Jarno <aurelien@aurel32.net> Reviewed-by: NThomas Huth <thuth@redhat.com> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Richard Henderson 提交于
Reviewed-by: NAurelien Jarno <aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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- 24 6月, 2017 4 次提交
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由 David Hildenbrand 提交于
Let's keep it very simple for now and flush the complete tlb, we currently can't find the right entries in our tlb, we would have to store the used tables for each element. As we now fully implement the DAT-enhancement facility, we can allow to enable it for the qemu CPU model. Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170622094151.28633-4-david@redhat.com> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 David Hildenbrand 提交于
If only the page index is set, most likely we don't have a valid virtual address. Let's do a full tlb flush for that case. Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170622094151.28633-3-david@redhat.com> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 David Hildenbrand 提交于
Let's allow to enable it for the qemu cpu model and correctly emulate it. Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170622094151.28633-2-david@redhat.com> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Richard Henderson 提交于
Missed the proper alignment in TRTO/TRTT, and ignoring the M3 field for all TRXX insns without ETF2-ENH. Reviewed-by: NAurelien Jarno <aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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- 23 6月, 2017 1 次提交
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由 David Hildenbrand 提交于
This adds support for the MOVE WITH OPTIONAL SPECIFICATIONS (MVCOS) instruction. Allow to enable it for the qemu cpu model using qemu-system-s390x ... -cpu qemu,mvcos=on ... This allows to boot linux kernel that uses it for uacccess. We are missing (as for most other part) low address protection checks, PSW key / storage key checks and support for AR-mode. We fake an ADDRESSING exception when called from problem state (which seems to rely on PSW key checks to be in place) and if AR-mode is used. user mode will always see a PRIVILEDGED exception. This patch is based on an original patch by Miroslav Benes (thanks!). Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170614133819.18480-3-david@redhat.com> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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- 07 6月, 2017 24 次提交
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由 Aurelien Jarno 提交于
The CDSG instruction requires a 16-byte alignement, as expressed in the MO_ALIGN_16 passed to helper_atomic_cmpxchgo_be_mmu. In the non parallel case, use check_alignment to enforce this. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170604202034.16615-4-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170604202034.16615-3-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170604202034.16615-2-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-29-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-28-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-27-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-26-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Use a common helper with PACK ASCII as the differences are limited to the stride of the source operand. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-25-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-24-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-23-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
For that we need to make program_interrupt available to qemu-user. Fortunately there is almost nothing to change as both kvm_enabled and CONFIG_KVM evaluate to false in that case. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-22-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
As MVCL and MVCLE only differ by their operands, use a common do_mvcl helper. Optimize it calling fast_memmove and fast_memset. Correctly write back addresses. Check that r1 and r2/r3 registers are even. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-21-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
adj_len_to_page doesn't return the correct result when the address is already page aligned and the length is bigger than a page. Fix that. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-20-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
As CLCL and CLCLE mostly differ by their operands, use a common do_clcl helper. Another difference is that CLCL is not interruptible. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-19-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
There are multiple issues with the COMPARE LOGICAL LONG EXTENDED instruction: - The test between the two operands is inverted, leading to an inversion of the cc values 1 and 2. - The address and length of an operand continue to be decreased after reaching the end of this operand. These values are then wrong write back to the registers. - We should limit the amount of bytes to process, so that interrupts can be served correctly. At the same time rename dest into src1 and src into src3 to match the operand names and make the code less confusing. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-18-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-17-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-16-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Improve fix_address to also handle the 24-bit mode. Rename fix_address to wrap_address to better explain what is changed. Replace the calls to get_address with x2 = 0 and b2 = 0 by call to wrap_address, leading to the removal of this function. Rename get_address_31fix into get_address. Reviewed-by: NThomas Huth <thuth@redhat.com> Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-15-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-14-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-13-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-12-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-11-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-7-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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由 Aurelien Jarno 提交于
And at the same time make IPTE SMP aware. Reviewed-by: NThomas Huth <thuth@redhat.com> Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net> Message-Id: <20170531220129.27724-4-aurelien@aurel32.net> Signed-off-by: NRichard Henderson <rth@twiddle.net>
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