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Fifth RISC-V PR for QEMU 7.0

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* Fixup checks for ext_zb[abcs]
  * Add AIA support for virt machine
  * Increase maximum number of CPUs in virt machine
  * Fixup OpenTitan SPI address
  * Add support for zfinx, zdinx and zhinx{min} extensions
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Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20220303' into staging

Fifth RISC-V PR for QEMU 7.0

 * Fixup checks for ext_zb[abcs]
 * Add AIA support for virt machine
 * Increase maximum number of CPUs in virt machine
 * Fixup OpenTitan SPI address
 * Add support for zfinx, zdinx and zhinx{min} extensions

# gpg: Signature made Thu 03 Mar 2022 05:26:55 GMT
# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-riscv-to-apply-20220303:
  target/riscv: expose zfinx, zdinx, zhinx{min} properties
  target/riscv: add support for zhinx/zhinxmin
  target/riscv: add support for zdinx
  target/riscv: add support for zfinx
  target/riscv: hardwire mstatus.FS to zero when enable zfinx
  target/riscv: add cfg properties for zfinx, zdinx and zhinx{min}
  hw: riscv: opentitan: fixup SPI addresses
  hw/riscv: virt: Increase maximum number of allowed CPUs
  docs/system: riscv: Document AIA options for virt machine
  hw/riscv: virt: Add optional AIA IMSIC support to virt machine
  hw/intc: Add RISC-V AIA IMSIC device emulation
  hw/riscv: virt: Add optional AIA APLIC support to virt machine
  target/riscv: fix inverted checks for ext_zb[abcs]

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2022-03-03 19:59:38 +00:00
commit 5959ef7d43
22 changed files with 2145 additions and 500 deletions
Download patch file Download diff file Expand all files Collapse all files

16
docs/system/riscv/virt.rst
View file

@ -63,6 +63,22 @@ The following machine-specific options are supported:
When this option is "on", ACLINT devices will be emulated instead of
SiFive CLINT. When not specified, this option is assumed to be "off".
- aia=[none|aplic|aplic-imsic]
This option allows selecting interrupt controller defined by the AIA
(advanced interrupt architecture) specification. The "aia=aplic" selects
APLIC (advanced platform level interrupt controller) to handle wired
interrupts whereas the "aia=aplic-imsic" selects APLIC and IMSIC (incoming
message signaled interrupt controller) to handle both wired interrupts and
MSIs. When not specified, this option is assumed to be "none" which selects
SiFive PLIC to handle wired interrupts.
- aia-guests=nnn
The number of per-HART VS-level AIA IMSIC pages to be emulated for a guest
having AIA IMSIC (i.e. "aia=aplic-imsic" selected). When not specified,
the default number of per-HART VS-level AIA IMSIC pages is 0.
Running Linux kernel
--------------------