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[PATCH v3 00/16] target/ppc: Fix truncation of env->hflags


From: Richard Henderson
Subject: [PATCH v3 00/16] target/ppc: Fix truncation of env->hflags
Date: Sun, 14 Mar 2021 11:58:50 -0600

Clean up everything that touches hflags, fixing quite a few
other bugs in the process.

Changes for v3:
 * Fixes for linux-user, signal handling and startup.
   -- Oops, the directory in which I did testing for v2
      had a reduced set of targets.

Changes for v2:
 * Do not put tcg internal state into migration, except to
   retain backward compatibility.
 * Do not touch anything in env in ppc_tr_init_disas_context.
 * Do make sure that hflags contains everything that it should.
 * Do verify that hflags is properly updated.


r~


Richard Henderson (16):
  target/ppc: Move helper_regs.h functions out-of-line
  target/ppc: Move 601 hflags adjustment to hreg_compute_hflags
  target/ppc: Properly sync cpu state with new msr in cpu_load_old
  target/ppc: Do not call hreg_compute_mem_idx after ppc_store_msr
  target/ppc: Retain hflags_nmsr only for migration
  target/ppc: Fix comment for MSR_FE{0,1}
  target/ppc: Disconnect hflags from MSR
  target/ppc: Reduce env->hflags to uint32_t
  target/ppc: Put dbcr0 single-step bits into hflags
  target/ppc: Create helper_scv
  target/ppc: Put LPCR[GTSE] in hflags
  target/ppc: Remove MSR_SA and MSR_AP from hflags
  target/ppc: Remove env->immu_idx and env->dmmu_idx
  hw/ppc: Use hreg_store_msr for msr updates
  linux-user/ppc: Fix msr updates for signal handling
  target/ppc: Validate hflags with CONFIG_DEBUG_TCG

 target/ppc/cpu.h                |  50 +++++-
 target/ppc/helper.h             |   1 +
 target/ppc/helper_regs.h        | 183 +--------------------
 hw/ppc/pnv_core.c               |   3 +-
 hw/ppc/spapr_hcall.c            |   3 +-
 hw/ppc/spapr_rtas.c             |   3 +-
 linux-user/ppc/cpu_loop.c       |   5 +-
 linux-user/ppc/signal.c         |  23 ++-
 target/ppc/excp_helper.c        |   9 ++
 target/ppc/helper_regs.c        | 272 ++++++++++++++++++++++++++++++++
 target/ppc/int_helper.c         |   1 +
 target/ppc/machine.c            |  27 ++--
 target/ppc/mem_helper.c         |   2 +-
 target/ppc/misc_helper.c        |  13 +-
 target/ppc/mmu-hash64.c         |   3 +
 target/ppc/translate.c          |  98 ++++--------
 target/ppc/translate_init.c.inc |   4 +-
 target/ppc/meson.build          |   1 +
 18 files changed, 411 insertions(+), 290 deletions(-)
 create mode 100644 target/ppc/helper_regs.c

-- 
2.25.1




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