[v2] semihosting read console support

[PATCH v2 0/5] semihosting read console support

Alex Bennée posted 5 patches 4 years, 4 months ago

Diff against v1 v3
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git fetch https://github.com/patchew-project/qemu tags/patchew/20191220132246.6759-1-alex.bennee@linaro.org

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include/hw/semihosting/console.h          | 16 +++++
include/hw/semihosting/semihost.h         |  4 ++
hw/semihosting/console.c                  | 79 +++++++++++++++++++++++
linux-user/aarch64/cpu_loop.c             |  1 +
linux-user/arm/cpu_loop.c                 |  1 +
linux-user/arm/semihost.c                 | 27 ++++++++
stubs/semihost.c                          |  4 ++
target/arm/arm-semi.c                     |  3 +-
target/arm/helper.c                       |  8 +--
target/arm/m_helper.c                     |  1 +
target/arm/translate-a64.c                |  2 +-
target/arm/translate.c                    |  6 +-
tests/tcg/aarch64/system/semiconsole.c    | 38 +++++++++++
tests/tcg/arm/semiconsole.c               | 47 ++++++++++++++
vl.c                                      |  3 +
tests/tcg/aarch64/Makefile.softmmu-target |  9 ++-
tests/tcg/arm/Makefile.target             |  7 ++
17 files changed, 243 insertions(+), 13 deletions(-)
create mode 100644 tests/tcg/aarch64/system/semiconsole.c
create mode 100644 tests/tcg/arm/semiconsole.c

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[PATCH v2 0/5] semihosting read console support

Posted by Alex Bennée 4 years, 4 months ago

Hi,

A quick update to introduce a new "blocking" console read function for
semihosting. The main change is a new test case for user-mode and
changing the linux-user implementation to also block on a getchar()
without any fancy polling. Otherwise I've addresses the review
comments and re-tested.

The following patches need review
   05 - tests tcg add user version of dumb as bricks semi

Alex Bennée (4):
  target/arm: remove unused EXCP_SEMIHOST leg
  target/arm: only update pc after semihosting completes
  tests/tcg: add a dumb-as-bricks semihosting console test
  tests/tcg: add user version of dumb-as-bricks semiconsole test

Keith Packard (1):
  semihosting: add qemu_semihosting_console_inc for SYS_READC

 include/hw/semihosting/console.h          | 16 +++++
 include/hw/semihosting/semihost.h         |  4 ++
 hw/semihosting/console.c                  | 79 +++++++++++++++++++++++
 linux-user/aarch64/cpu_loop.c             |  1 +
 linux-user/arm/cpu_loop.c                 |  1 +
 linux-user/arm/semihost.c                 | 27 ++++++++
 stubs/semihost.c                          |  4 ++
 target/arm/arm-semi.c                     |  3 +-
 target/arm/helper.c                       |  8 +--
 target/arm/m_helper.c                     |  1 +
 target/arm/translate-a64.c                |  2 +-
 target/arm/translate.c                    |  6 +-
 tests/tcg/aarch64/system/semiconsole.c    | 38 +++++++++++
 tests/tcg/arm/semiconsole.c               | 47 ++++++++++++++
 vl.c                                      |  3 +
 tests/tcg/aarch64/Makefile.softmmu-target |  9 ++-
 tests/tcg/arm/Makefile.target             |  7 ++
 17 files changed, 243 insertions(+), 13 deletions(-)
 create mode 100644 tests/tcg/aarch64/system/semiconsole.c
 create mode 100644 tests/tcg/arm/semiconsole.c

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2.20.1