On 2022/11/17 17:56, Richard Henderson wrote:
On 11/16/22 23:03, Weiwei Li wrote:+target_ulong HELPER(cm_jalt)(CPURISCVState *env, target_ulong index, + target_ulong next_pc) +{ + target_ulong target = next_pc; + target_ulong val = 0; + int xlen = riscv_cpu_xlen(env); + + val = env->jvt; + + uint8_t mode = get_field(val, JVT_MODE); + target_ulong base = get_field(val, JVT_BASE); + + target_ulong t0; + + if (mode != 0) { + riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); + } + + if (xlen == 32) { + t0 = base + (index << 2); + target = cpu_ldl_code(env, t0); + } else { + t0 = base + (index << 3); + target = cpu_ldq_code(env, t0); + } + + /* index >= 32 for cm.jalt, otherwise for cm.jt */ + if (index >= 32) { + env->gpr[1] = next_pc; + } + + return target & ~0x1; +}Missing a smstateen_check. Not mentioned in the instruction description itself, but it is within the State Enable section of JVT.
smstateen_check have been added in REQUIRE_ZCMT. Regards, Weiwei Li
r~
