blob: 5d9ce208f8398182d4c807aa81065335599f235d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
id = 2672
title = "Skipping a jal instruction in riscv64 baremetal emulation"
state = "closed"
created_at = "2024-11-13T10:22:34.551Z"
closed_at = "2024-11-16T22:05:19.664Z"
labels = ["Closed::Invalid", "target: riscv"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/2672"
host-os = "openSUSE Leap 15.5"
host-arch = "x86_64, Intel(R) Core(TM) i5-10400T CPU @ 2.00GHz"
qemu-version = "QEMU emulator version 9.0.50"
guest-os = "baremetal"
guest-arch = "riscv64"
description = """The binary contains an illegal instruction after a jal. Normally the jal should be taken but the illegal instructi[aia_tests2.elf](/uploads/b8b646b01d7bcc15b51c36ddbffacac7/aia_tests2.elf)on next to the jal is executed generating and illegal instruction exception:
```
0x80006070: 00200513 addi a0,zero,2
0x80006074: 89cff0ef jal ra,-3940 # 0x80005110
----------------
IN: _Z15int_switch_modehh
0x80006078: 0000 illegal
----------------
IN: mtvec_table
0x8000e600: 64d0406f j 20044 # 0x8001344c
```"""
reproduce = """1. Execute the same binary with QEMU."""
additional = """"""
|