Re: [PATCH v2 0/7] target/riscv: Expose RV32 cpu to RV64 QEMU

[LIU Zhiwei]

On 2024/7/3 21:08, Philippe Mathieu-Daudé wrote:
> Hi,
>
> On 3/7/24 14:34, LIU Zhiwei wrote:
> > From: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
> >
> > This patch set aims to expose 32-bit RISC-V cpu to RV64 QEMU. Thus
> > qemu-system-riscv64 can directly boot a RV32 Linux.
> >
> > This patch set has been tested with 6.9.0 Linux Image.
> > And add an avocado test in tests/avocado.
> >
> > v2:
> >    Remove the line that was inadvertently left in PATCH v1 4/6.
> >    Add an avocado test.
> >
> > v1:
> > https://mail.gnu.org/archive/html/qemu-riscv/2024-06/msg00501.html
> >
> > TANG Tiancheng (7):
> >    target/riscv: Add fw_dynamic_info32 for booting RV32 OpenSBI
> >    target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32
> >    target/riscv: Correct SXL return value for RV32 in RV64 QEMU
> >    target/riscv: Detect sxl to set bit width for RV32 in RV64
> >    target/riscv: Correct mcause/scause bit width for RV32 in RV64 QEMU
> >    target/riscv: Enable RV32 CPU support in RV64 QEMU
> >    tests/avocado: Add an avocado test for riscv64
>
> On what is that based? It fails when applying:

Sorry. I forgot to rebase it to the master branch. And there is a riscv 
PR recently, which makes it fail to apply on the master branch.
Thanks for pointing it out.

The v3 patch set is here:
https://lists.gnu.org/archive/html/qemu-riscv/2024-07/msg00069.html

Thanks,
Zhiwei

> Applying: target/riscv: Add fw_dynamic_info32 for booting RV32 OpenSBI
> Applying: target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32
> Applying: target/riscv: Correct SXL return value for RV32 in RV64 QEMU
> Applying: target/riscv: Detect sxl to set bit width for RV32 in RV64
> Applying: target/riscv: Correct mcause/scause bit width for RV32 in 
> RV64 QEMU
> Applying: target/riscv: Enable RV32 CPU support in RV64 QEMU
> Patch failed at 0006 target/riscv: Enable RV32 CPU support in RV64 QEMU
> When you have resolved this problem, run "git am --continue".
> If you prefer to skip this patch, run "git am --skip" instead.
> To restore the original branch and stop patching, run "git am --abort".
> error: patch failed: configs/targets/riscv64-softmmu.mak:1
> error: configs/targets/riscv64-softmmu.mak: patch does not apply
> hint: Use 'git am --show-current-patch=diff' to see the failed patch