motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 07:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/riscv: Split misa.mxl and misa.ext

Browse source 
The hw representation of misa.mxl is at the high bits of the
misa csr.  Representing this in the same way inside QEMU
results in overly complex code trying to check that field.

Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20211020031709.359469-4-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Richard Henderson 2021-10-19 20:16:57 -07:00 • committed by Alistair Francis
parent 99bc874fb3
commit e91a7227cb
8 changed files with 100 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

2
linux-user/riscv/cpu_loop.c
View file

@ -133,7 +133,7 @@ void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
env->gpr[xSP] = regs->sp;
env->elf_flags = info->elf_flags;
if ((env->misa & RVE) && !(env->elf_flags & EF_RISCV_RVE)) {
if ((env->misa_ext & RVE) && !(env->elf_flags & EF_RISCV_RVE)) {
error_report("Incompatible ELF: RVE cpu requires RVE ABI binary");
exit(EXIT_FAILURE);
}