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From: Mayuresh Chitale <mchitale@ventanamicro.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Mayuresh Chitale <mchitale@ventanamicro.com>, alistair.francis@wdc.com
Subject: [PATCH 0/2] Risc-V CPU state by hart ID
Date: Fri,  3 Mar 2023 12:20:53 +0530	[thread overview]
Message-ID: <20230303065055.915652-1-mchitale@ventanamicro.com> (raw)

Currently a Risc-V platform cannot realizes multiple CPUs with non contiguous
hart IDs because the APLIC, IMSIC and ACLINT emulation code uses the
contiguous logical CPU ID to fetch per CPU state.

This patchset implements cpu_by_arch_id for Risc-V to get the CPU state
by hart ID which may be sparse instead of the contigous logical CPU id.

Mayuresh Chitale (2):
  target/riscv: cpu: Implement get_arch_id callback
  hw: intc: Use cpu_by_arch_id to fetch CPU state

 hw/intc/riscv_aclint.c | 16 ++++++++--------
 hw/intc/riscv_aplic.c  |  4 ++--
 hw/intc/riscv_imsic.c  |  6 +++---
 target/riscv/cpu.c     |  8 ++++++++
 4 files changed, 21 insertions(+), 13 deletions(-)

-- 
2.34.1



             reply	other threads:[~2023-03-03  6:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-03  6:50 Mayuresh Chitale [this message]
2023-03-03  6:50 ` [PATCH 1/2] target/riscv: cpu: Implement get_arch_id callback Mayuresh Chitale
2023-03-03 20:05   ` Daniel Henrique Barboza
2023-03-03  6:50 ` [PATCH 2/2] hw: intc: Use cpu_by_arch_id to fetch CPU state Mayuresh Chitale
2023-03-03 20:05   ` Daniel Henrique Barboza
2023-03-05 23:41 ` [PATCH 0/2] Risc-V CPU state by hart ID Palmer Dabbelt

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