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Diffstat (limited to 'gitlab/issues/target_riscv/host_missing/accel_missing/2074.toml')
| -rw-r--r-- | gitlab/issues/target_riscv/host_missing/accel_missing/2074.toml | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/gitlab/issues/target_riscv/host_missing/accel_missing/2074.toml b/gitlab/issues/target_riscv/host_missing/accel_missing/2074.toml deleted file mode 100644 index 65dd3293..00000000 --- a/gitlab/issues/target_riscv/host_missing/accel_missing/2074.toml +++ /dev/null @@ -1,28 +0,0 @@ -id = 2074 -title = "riscv64 cannot use the mret instruction to jump to the address corresponding to s mode" -state = "closed" -created_at = "2024-01-05T08:17:33.034Z" -closed_at = "2024-01-18T06:49:14.552Z" -labels = ["target: riscv"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2074" -host-os = "Linux" -host-arch = "x86" -qemu-version = "QEMU emulator version 8.1.90" -guest-os = "coreboot/bios" -guest-arch = "riscv" -description = """I use coreboot to boot my linux kernel.The kernel is copied at 0x82200000,I set reg mepc 0x82200000,and set reg mstatus a00000800. -and I use "mret" instruction so that qemu can jump to 0x82200000 and enter S mode.But some errors happened. -It shows: -[DEBUG] Exception: Instruction access fault -[DEBUG] Hart ID: 0 -[DEBUG] Previous mode: machine -[DEBUG] Bad instruction pc: 0x8103f7c0 -[DEBUG] Bad address: 0x00000000 -[DEBUG] Stored ra: 0x8103f7b8 -[DEBUG] Stored sp: 0x82032f08 -Bad instruction pc: 0x8103f7c0 in my elf file instruction is "mret". -So I can not jump to my kernel's load address. -I think when I use -bios option,my qemu should in M mode.How could I can jump to my mepc address?""" -reproduce = """1.download qemu -2.download coreboot""" -additional = """When I enter qemu with -bios option,I find that the reg mstatus is 0xa0000000.""" |