[v2] Early exception handlers on Power

[PATCH v2 0/2] Early exception handlers on Power

Shawn Anastasio posted 2 patches 6 months, 3 weeks ago

Diff against v1 v3
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git fetch https://gitlab.com/xen-project/patchew/xen tags/patchew/cover.1697220184.git.sanastasio@raptorengineering.com

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xen/arch/ppc/include/asm/config.h    |   3 +
xen/arch/ppc/include/asm/processor.h |  31 +++++++
xen/arch/ppc/ppc64/Makefile          |   2 +
xen/arch/ppc/ppc64/asm-offsets.c     |   1 +
xen/arch/ppc/ppc64/exceptions-asm.S  | 129 +++++++++++++++++++++++++++
xen/arch/ppc/ppc64/exceptions.c      | 102 +++++++++++++++++++++
xen/arch/ppc/setup.c                 |  11 +++
xen/arch/ppc/xen.lds.S               |   7 ++
8 files changed, 286 insertions(+)
create mode 100644 xen/arch/ppc/ppc64/exceptions-asm.S
create mode 100644 xen/arch/ppc/ppc64/exceptions.c

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[PATCH v2 0/2] Early exception handlers on Power

Posted by Shawn Anastasio 6 months, 3 weeks ago

Hello all,

This series implements a basic exception handler and the required
support infrastructure on Power. Currently the handler just dumps all
registers to the serial console and nothing else, but even this is
useful for debugging during early bring-up.

Thanks,

Shawn Anastasio (2):
  xen/ppc: Add .text.exceptions section for exception vectors
  xen/ppc: Implement a basic exception handler

 xen/arch/ppc/include/asm/config.h    |   3 +
 xen/arch/ppc/include/asm/processor.h |  31 +++++++
 xen/arch/ppc/ppc64/Makefile          |   2 +
 xen/arch/ppc/ppc64/asm-offsets.c     |   1 +
 xen/arch/ppc/ppc64/exceptions-asm.S  | 129 +++++++++++++++++++++++++++
 xen/arch/ppc/ppc64/exceptions.c      | 102 +++++++++++++++++++++
 xen/arch/ppc/setup.c                 |  11 +++
 xen/arch/ppc/xen.lds.S               |   7 ++
 8 files changed, 286 insertions(+)
 create mode 100644 xen/arch/ppc/ppc64/exceptions-asm.S
 create mode 100644 xen/arch/ppc/ppc64/exceptions.c

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2.30.2