[0/5] PMP and HPM improvements

Message ID	20200822051310.21394-1-anup.patel@wdc.com
Headers	show Return-Path: <opensbi-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> IronPort-SDR: JjKt786BDaP9KqFD4Wivd+LIOyDNGlg1+Mlvvm+5FyN4m/JSpUuMvFrGsExMleYtNhxEO3vG39 w4cZyia35jbqoOC0BVfHTkXKBIHUqmQvvC22kAK77NX7DUlHtApCVVLeO6h+SHIm51IuGfAvNY Fui9gtWcMNxCeeXUXn2ZcWoznfrlMnXzdYmCeTYSkw/acrH/TtumqeNzLt81W30spyYLRt5LJB YDSweL1xDIiZTULhjVGyBr1ly0fpo7hwOjxACLxY4nnY12s827QUvO0MjXTyrc41rtvUSHCW/W Fsw= From: Anup Patel <anup.patel@wdc.com> To: Atish Patra <atish.patra@wdc.com>, Alistair Francis <Alistair.Francis@wdc.com> Subject: [PATCH 0/5] PMP and HPM improvements Date: Sat, 22 Aug 2020 10:43:05 +0530 Message-Id: <20200822051310.21394-1-anup.patel@wdc.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 WDCIPOUTBOUND: EOP-TRUE summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [216.71.153.141 listed in list.dnswl.org] 1.3 RCVD_ILLEGAL_IP SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay Precedence: list Cc: Anup Patel <anup@brainfault.org>, Anup Patel <anup.patel@wdc.com>, opensbi@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "opensbi" <opensbi-bounces@lists.infradead.org> Errors-To: opensbi-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
Series	PMP and HPM improvements \| expand [0/5] PMP and HPM improvements [1/5] lib: sbi: Remove redundant SBI_HART_HAS_PMP feature [2/5] lib: sbi: Improve PMP CSR detection and progamming [3/5] lib: sbi: Detect and print MHPM counters at boot-time [4/5] include: sbi: Few cosmetic changes in riscv_encoding.h [5/5] lib: sbi: Improve HPM CSR read/write emulation

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20200822051310.21394-1-anup.patel@wdc.com

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From: Anup Patel <anup.patel@wdc.com>
To: Atish Patra <atish.patra@wdc.com>,
 Alistair Francis <Alistair.Francis@wdc.com>
Subject: [PATCH 0/5] PMP and HPM improvements
Date: Sat, 22 Aug 2020 10:43:05 +0530
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Series

PMP and HPM improvements | expand

Message

Anup Patel Aug. 22, 2020, 5:13 a.m. UTC

This series:
1. Improves PMP CSR detections as-per latest RISC-V spec
2. Adds MHPM counter detection at boot-time
3. Improves HPM counter read/write emulation as-per latest RISC-V spec

These patches are also available in pmp_hpm_imp_v1 branch at
https://github.com/avpatel/opensbi.git

Anup Patel (5):
  lib: sbi: Remove redundant SBI_HART_HAS_PMP feature
  lib: sbi: Improve PMP CSR detection and progamming
  lib: sbi: Detect and print MHPM counters at boot-time
  include: sbi: Few cosmetic changes in riscv_encoding.h
  lib: sbi: Improve HPM CSR read/write emulation

 include/sbi/riscv_encoding.h |  71 ++++++++++++-
 include/sbi/sbi_hart.h       |   9 +-
 lib/sbi/riscv_asm.c          | 186 +++++++++++++----------------------
 lib/sbi/sbi_emulate_csr.c    | 147 +++++++++++++--------------
 lib/sbi/sbi_hart.c           | 106 ++++++++++++--------
 lib/sbi/sbi_init.c           |   1 +
 lib/utils/fdt/fdt_fixup.c    |   2 +-
 7 files changed, 282 insertions(+), 240 deletions(-)