[v2,00/27] target/s390x: pc-relative translation blocks

Message ID	20221211152802.923900-1-richard.henderson@linaro.org
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Cc: qemu-s390x@nongnu.org Subject: [PATCH v2 00/27] target/s390x: pc-relative translation blocks Date: Sun, 11 Dec 2022 09:27:35 -0600 Message-Id: <20221211152802.923900-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::236; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x236.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Precedence: list Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org
Series	target/s390x: pc-relative translation blocks \| expand [v2,00/27] target/s390x: pc-relative translation blocks [v2,01/27] target/s390x: Use tcg_constant_* in local contexts [v2,02/27] target/s390x: Use tcg_constant_* for DisasCompare [v2,03/27] target/s390x: Use tcg_constant_i32 for fpinst_extract_m34 [v2,04/27] target/s390x: Use tcg_constant_* in translate_vx.c.inc [v2,05/27] tests/tcg/s390x: Add bal.S [v2,06/27] tests/tcg/s390x: Add sam.S [v2,07/27] target/s390x: Change help_goto_direct to work on displacements [v2,08/27] target/s390x: Introduce gen_psw_addr_disp [v2,09/27] target/s390x: Remove pc argument to pc_to_link_into [v2,10/27] target/s390x: Use gen_psw_addr_disp in pc_to_link_info [v2,11/27] target/s390x: Use gen_psw_addr_disp in save_link_info [v2,12/27] target/s390x: Use gen_psw_addr_disp in op_sam [v2,13/27] target/s390x: Use ilen instead in branches [v2,14/27] target/s390x: Assert masking of psw.addr in cpu_get_tb_cpu_state [v2,15/27] target/s390x: Add disp argument to update_psw_addr [v2,16/27] target/s390x: Don't set gbea for user-only [v2,17/27] target/s390x: Introduce per_enabled [v2,18/27] target/s390x: Disable conditional branch-to-next for PER [v2,19/27] target/s390x: Introduce help_goto_indirect [v2,20/27] target/s390x: Split per_branch [v2,21/27] target/s390x: Simplify help_branch [v2,22/27] target/s390x: Split per_breaking_event from per_branch_* [v2,23/27] target/s390x: Remove PER check from use_goto_tb [v2,24/27] target/s390x: Fix successful-branch PER events [v2,25/27] tests/tcg/s390x: Add per.S [v2,26/27] target/s390x: Pass original r2 register to BCR [v2,27/27] target/s390x: Enable TARGET_TB_PCREL

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20221211152802.923900-1-richard.henderson@linaro.org

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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org
Subject: [PATCH v2 00/27] target/s390x: pc-relative translation blocks
Date: Sun, 11 Dec 2022 09:27:35 -0600
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Series

target/s390x: pc-relative translation blocks | expand

Message

Richard Henderson Dec. 11, 2022, 3:27 p.m. UTC

This is the S390 specific changes required to reduce the
amount of translation for address space randomization.

Begin with some generic cleanups, then prepare by using
displacements instead of addresses when possible, then
add some tcg infrastructure to avoid a code gen ugly,
then finalize the conversion.

Changes for v2:
  * Incorporate feedback, including test cases.


r~


Ilya Leoshkevich (4):
  tests/tcg/s390x: Add bal.S
  tests/tcg/s390x: Add sam.S
  target/s390x: Fix successful-branch PER events
  tests/tcg/s390x: Add per.S

Richard Henderson (23):
  target/s390x: Use tcg_constant_* in local contexts
  target/s390x: Use tcg_constant_* for DisasCompare
  target/s390x: Use tcg_constant_i32 for fpinst_extract_m34
  target/s390x: Use tcg_constant_* in translate_vx.c.inc
  target/s390x: Change help_goto_direct to work on displacements
  target/s390x: Introduce gen_psw_addr_disp
  target/s390x: Remove pc argument to pc_to_link_into
  target/s390x: Use gen_psw_addr_disp in pc_to_link_info
  target/s390x: Use gen_psw_addr_disp in save_link_info
  target/s390x: Use gen_psw_addr_disp in op_sam
  target/s390x: Use ilen instead in branches
  target/s390x: Assert masking of psw.addr in cpu_get_tb_cpu_state
  target/s390x: Add disp argument to update_psw_addr
  target/s390x: Don't set gbea for user-only
  target/s390x: Introduce per_enabled
  target/s390x: Disable conditional branch-to-next for PER
  target/s390x: Introduce help_goto_indirect
  target/s390x: Split per_branch
  target/s390x: Simplify help_branch
  target/s390x: Split per_breaking_event from per_branch_*
  target/s390x: Remove PER check from use_goto_tb
  target/s390x: Pass original r2 register to BCR
  target/s390x: Enable TARGET_TB_PCREL

 target/s390x/cpu-param.h                |   1 +
 target/s390x/cpu.h                      |  20 +-
 target/s390x/tcg/insn-data.h.inc        |   2 +-
 target/s390x/cpu.c                      |  12 +
 target/s390x/tcg/misc_helper.c          |   1 +
 target/s390x/tcg/translate.c            | 870 ++++++++++--------------
 target/s390x/tcg/translate_vx.c.inc     |  45 +-
 tests/tcg/s390x/Makefile.softmmu-target |   3 +
 tests/tcg/s390x/bal.S                   |  24 +
 tests/tcg/s390x/per.S                   |  55 ++
 tests/tcg/s390x/sam.S                   |  67 ++
 11 files changed, 572 insertions(+), 528 deletions(-)
 create mode 100644 tests/tcg/s390x/bal.S
 create mode 100644 tests/tcg/s390x/per.S
 create mode 100644 tests/tcg/s390x/sam.S