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[PATCH for-6.1 v4 00/15] tcg: breakpoint reorg
From: |
Richard Henderson |
Subject: |
[PATCH for-6.1 v4 00/15] tcg: breakpoint reorg |
Date: |
Mon, 19 Jul 2021 11:22:24 -1000 |
This is fixing #404 ("windows xp boot takes much longer...")
and several other similar reports.
Changes for v4:
* Issue breakpoints directly from cflags_for_breakpoints.
Do not generate code for a TB beginning with a BP at all.
* Drop the problematic TranslatorOps.breakpoint_check hook entirely.
Changes for v3:
* Map CF_COUNT_MASK == 0 -> TCG_MAX_INSNS.
* Split out *_breakpoint_check fixes for avr, mips, riscv.
Changes for v2:
* All prerequisites and 7 of the patches from v1 with are merged.
Patches lacking review are all new:
03-target-alpha-Drop-goto_tb-path-in-gen_call_pal.patch
09-hw-core-Introduce-TCGCPUOps.debug_check_breakpoin.patch
10-target-arm-Implement-debug_check_breakpoint.patch
11-target-i386-Implement-debug_check_breakpoint.patch
12-accel-tcg-Move-breakpoint-recognition-outside-tra.patch
13-accel-tcg-Remove-TranslatorOps.breakpoint_check.patch
15-accel-tcg-Record-singlestep_enabled-in-tb-cflags.patch
r~
Richard Henderson (15):
accel/tcg: Reduce CF_COUNT_MASK to match TCG_MAX_INSNS
accel/tcg: Move curr_cflags into cpu-exec.c
target/alpha: Drop goto_tb path in gen_call_pal
accel/tcg: Add CF_NO_GOTO_TB and CF_NO_GOTO_PTR
accel/tcg: Drop CF_NO_GOTO_PTR from -d nochain
accel/tcg: Handle -singlestep in curr_cflags
accel/tcg: Use CF_NO_GOTO_{TB, PTR} in cpu_exec_step_atomic
accel/tcg: Move cflags lookup into tb_find
hw/core: Introduce TCGCPUOps.debug_check_breakpoint
target/arm: Implement debug_check_breakpoint
target/i386: Implement debug_check_breakpoint
accel/tcg: Move breakpoint recognition outside translation
accel/tcg: Remove TranslatorOps.breakpoint_check
accel/tcg: Hoist tb_cflags to a local in translator_loop
accel/tcg: Record singlestep_enabled in tb->cflags
include/exec/exec-all.h | 24 +++---
include/exec/translator.h | 11 ---
include/hw/core/tcg-cpu-ops.h | 6 ++
target/arm/internals.h | 3 +
accel/tcg/cpu-exec.c | 143 ++++++++++++++++++++++++++++------
accel/tcg/translate-all.c | 7 +-
accel/tcg/translator.c | 39 ++--------
cpu.c | 24 ------
target/alpha/translate.c | 31 +-------
target/arm/cpu.c | 1 +
target/arm/cpu_tcg.c | 1 +
target/arm/debug_helper.c | 7 +-
target/arm/translate-a64.c | 25 ------
target/arm/translate.c | 29 -------
target/avr/translate.c | 10 ---
target/cris/translate.c | 20 -----
target/hexagon/translate.c | 17 ----
target/hppa/translate.c | 11 ---
target/i386/tcg/tcg-cpu.c | 12 +++
target/i386/tcg/translate.c | 28 -------
target/m68k/translate.c | 18 -----
target/microblaze/translate.c | 18 -----
target/mips/tcg/translate.c | 19 -----
target/nios2/translate.c | 27 -------
target/openrisc/translate.c | 17 ----
target/ppc/translate.c | 18 -----
target/riscv/translate.c | 17 ----
target/rx/translate.c | 14 ----
target/s390x/tcg/translate.c | 24 ------
target/sh4/translate.c | 18 -----
target/sparc/translate.c | 17 ----
target/tricore/translate.c | 16 ----
target/xtensa/translate.c | 17 ----
tcg/tcg-op.c | 28 +++----
34 files changed, 185 insertions(+), 532 deletions(-)
--
2.25.1
- [PATCH for-6.1 v4 00/15] tcg: breakpoint reorg,
Richard Henderson <=
- [PATCH for-6.1 v4 01/15] accel/tcg: Reduce CF_COUNT_MASK to match TCG_MAX_INSNS, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 02/15] accel/tcg: Move curr_cflags into cpu-exec.c, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 03/15] target/alpha: Drop goto_tb path in gen_call_pal, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 06/15] accel/tcg: Handle -singlestep in curr_cflags, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 04/15] accel/tcg: Add CF_NO_GOTO_TB and CF_NO_GOTO_PTR, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 05/15] accel/tcg: Drop CF_NO_GOTO_PTR from -d nochain, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 07/15] accel/tcg: Use CF_NO_GOTO_{TB, PTR} in cpu_exec_step_atomic, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 08/15] accel/tcg: Move cflags lookup into tb_find, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 09/15] hw/core: Introduce TCGCPUOps.debug_check_breakpoint, Richard Henderson, 2021/07/19
- [PATCH for-6.1 v4 10/15] target/arm: Implement debug_check_breakpoint, Richard Henderson, 2021/07/19