[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v3 0/9] tcg: support 32-bit guest addresses as signed
From: |
Richard Henderson |
Subject: |
[PATCH v3 0/9] tcg: support 32-bit guest addresses as signed |
Date: |
Thu, 3 Mar 2022 09:15:42 -1000 |
We have 3 hosts that naturally produce sign-extended values,
and have to work extra hard (with 1 or 2 insns) to produce
the zero-extended address that we expect today.
However, it's a simple matter of arithmetic for the middle-end
to require sign-extended addresses instead. For user-only, we
do have to be careful not to allow a guest object to wrap around
the signed boundary, but that's fairly easily done.
Tested with aarch64, as that's the best hw currently available.
Only patch 6, for tcg/aarch64, is lacking review, which has
been revised to include a AArch64LdstExt enum, per review.
r~
Richard Henderson (9):
tcg: Add TCG_TARGET_SIGNED_ADDR32
accel/tcg: Split out g2h_tlbe
accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu
accel/tcg: Add guest_base_signed_addr32 for user-only
linux-user: Support TCG_TARGET_SIGNED_ADDR32
tcg/aarch64: Support TCG_TARGET_SIGNED_ADDR32
tcg/mips: Support TCG_TARGET_SIGNED_ADDR32
tcg/riscv: Support TCG_TARGET_SIGNED_ADDR32
tcg/loongarch64: Support TCG_TARGET_SIGNED_ADDR32
include/exec/cpu-all.h | 20 ++++++--
include/exec/cpu_ldst.h | 3 +-
tcg/aarch64/tcg-target-sa32.h | 7 +++
tcg/arm/tcg-target-sa32.h | 1 +
tcg/i386/tcg-target-sa32.h | 1 +
tcg/loongarch64/tcg-target-sa32.h | 1 +
tcg/mips/tcg-target-sa32.h | 9 ++++
tcg/ppc/tcg-target-sa32.h | 1 +
tcg/riscv/tcg-target-sa32.h | 5 ++
tcg/s390x/tcg-target-sa32.h | 1 +
tcg/sparc/tcg-target-sa32.h | 1 +
tcg/tci/tcg-target-sa32.h | 1 +
accel/tcg/cputlb.c | 36 +++++++++-----
bsd-user/main.c | 4 ++
linux-user/elfload.c | 62 ++++++++++++++++++-----
linux-user/main.c | 3 ++
tcg/tcg.c | 4 ++
tcg/aarch64/tcg-target.c.inc | 81 ++++++++++++++++++++++---------
tcg/loongarch64/tcg-target.c.inc | 15 +++---
tcg/mips/tcg-target.c.inc | 10 +---
tcg/riscv/tcg-target.c.inc | 8 +--
21 files changed, 199 insertions(+), 75 deletions(-)
create mode 100644 tcg/aarch64/tcg-target-sa32.h
create mode 100644 tcg/arm/tcg-target-sa32.h
create mode 100644 tcg/i386/tcg-target-sa32.h
create mode 100644 tcg/loongarch64/tcg-target-sa32.h
create mode 100644 tcg/mips/tcg-target-sa32.h
create mode 100644 tcg/ppc/tcg-target-sa32.h
create mode 100644 tcg/riscv/tcg-target-sa32.h
create mode 100644 tcg/s390x/tcg-target-sa32.h
create mode 100644 tcg/sparc/tcg-target-sa32.h
create mode 100644 tcg/tci/tcg-target-sa32.h
--
2.25.1
- [PATCH v3 0/9] tcg: support 32-bit guest addresses as signed,
Richard Henderson <=
- [PATCH v3 1/9] tcg: Add TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PATCH v3 5/9] linux-user: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PATCH v3 2/9] accel/tcg: Split out g2h_tlbe, Richard Henderson, 2022/03/03
- [PATCH v3 8/9] tcg/riscv: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PATCH v3 9/9] tcg/loongarch64: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PATCH v3 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu, Richard Henderson, 2022/03/03
- [PATCH v3 4/9] accel/tcg: Add guest_base_signed_addr32 for user-only, Richard Henderson, 2022/03/03
- [PATCH v3 7/9] tcg/mips: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03
- [PATCH v3 6/9] tcg/aarch64: Support TCG_TARGET_SIGNED_ADDR32, Richard Henderson, 2022/03/03