linux-kernel - [PATCH v5 0/8] remoteproc: Add elf64 support

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Date:   Mon,  2 Mar 2020 10:38:54 +0100
From:   Clement Leger <cleger@...ray.eu>
To:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linux-remoteproc@...r.kernel.org
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Andy Gross <agross@...nel.org>,
        Patrice Chotard <patrice.chotard@...com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        Loic PALLARDY <loic.pallardy@...com>, s-anna <s-anna@...com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Clement Leger <cleger@...ray.eu>
Subject: [PATCH v5 0/8] remoteproc: Add elf64 support

This serie add support for elf64 in remoteproc (elf loader, coredump). 
First three patches modifies the type of len argument (in da_to_va),
boot_addr and rproc_mem_entry len field in order to allow loading elf64
segment with a u64 size and a u64 entry point.
Next patches introduce a set of macros to access elf64 and elf32
transparently.
Last patches are the actual modifications in the elf loader and
remoteproc coredump support to add elf64 support.

Changes v4 -> v5:
 - Add rproc_elf_sanity_check renaming to rproc_elf32_sanity_check
 - Fix checkpatch warning on > 80 column line
 - Change u64 len type for size_t in da_to_va and add checks in loader
 - Modify rproc_mem_entry size field type from int to size_t
 - Add a patch to override sanity_check function

Changes v3 -> v4:
 - Adapt coredump to elf64 file format
 - Rename remoteproc_elf_loader.h to remoteproc_elf_helpers.h
 - Update copyright year in remoteproc_elf_helpers.h
 - Rename macros elf_hdr_* to elf_get_hdr_* for coherency with elf_hdr_set_*
 - Split elf64 loader patch in 3:
   - boot_addr u64 change
   - remoteproc_elf_helpers.h creation
   - elf64 loading

Changes v2 -> v3:
 - da_to_va len type changed from int to u64
 - Add check for elf64 header size
 - Add comments for name table parsing
 - Fix typo in "accommodate
 - Add ELF64 support in documentation

Clement Leger (8):
  remoteproc: Use size_t type for len in da_to_va
  remoteproc: Use size_t instead of int for rproc_mem_entry len
  remoteproc: Use u64 type for boot_addr
  remoteproc: Add elf helpers to access elf64 and elf32 fields
  remoteproc: Rename rproc_elf_sanity_check for elf32
  remoteproc: Add elf64 support in elf loader
  remoteproc: Allow overriding only sanity_check
  remoteproc: Adapt coredump to generate correct elf type

 Documentation/remoteproc.txt                |   2 +-
 drivers/remoteproc/imx_rproc.c              |  11 +-
 drivers/remoteproc/keystone_remoteproc.c    |   4 +-
 drivers/remoteproc/qcom_q6v5_adsp.c         |   2 +-
 drivers/remoteproc/qcom_q6v5_mss.c          |   2 +-
 drivers/remoteproc/qcom_q6v5_pas.c          |   2 +-
 drivers/remoteproc/qcom_q6v5_wcss.c         |   2 +-
 drivers/remoteproc/qcom_wcnss.c             |   2 +-
 drivers/remoteproc/remoteproc_core.c        |  86 +++++++------
 drivers/remoteproc/remoteproc_debugfs.c     |   2 +-
 drivers/remoteproc/remoteproc_elf_helpers.h |  96 ++++++++++++++
 drivers/remoteproc/remoteproc_elf_loader.c  | 189 +++++++++++++++++++---------
 drivers/remoteproc/remoteproc_internal.h    |  14 ++-
 drivers/remoteproc/st_remoteproc.c          |   4 +-
 drivers/remoteproc/st_slim_rproc.c          |   6 +-
 drivers/remoteproc/stm32_rproc.c            |   2 +-
 drivers/remoteproc/wkup_m3_rproc.c          |   4 +-
 include/linux/remoteproc.h                  |  13 +-
 18 files changed, 317 insertions(+), 126 deletions(-)
 create mode 100644 drivers/remoteproc/remoteproc_elf_helpers.h

-- 
2.15.0.276.g89ea799