id = 1749
title = "[Riscv-fu540] UEFI cannot be started with gdb on sifive fu540 platform？"
state = "closed"
created_at = "2023-07-06T06:01:57.785Z"
closed_at = "2023-07-20T23:57:23.407Z"
labels = ["GDB", "target: riscv"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1749"
host-os = "n/a"
host-arch = "n/a"
qemu-version = "n/a"
guest-os = "n/a"
guest-arch = "n/a"
description = """Using qemu start UEFI on sifive fu540 platform with option： -S -s.
```
qemu-system-riscv64                                            \\
                -cpu sifive-u54 -machine sifive_u               \\
                -bios U540.fd                                   \\
                -m 2048 -nographic -smp cpus=2,maxcpus=2        \\
                -S -s
```
UEFI url is： https://github.com/tianocore/edk2.git"""
reproduce = """1. start qemu with -S -s param in one terminal
2. riscv64-unknown-linux-gnu-gdb in other terminal
3. in gdb terminal:
```
       target remove :1234
       c
```
4. in qemu terminal, there has no any output ?"""
additional = "n/a"