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Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/gdbstub.c | 44 +++++++++++++++++++++++++++++++++----------- 1 file changed, 33 insertions(+), 11 deletions(-) diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index 8583057b58..f25bd50b71 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -247,15 +247,20 @@ static int arm_gdb_get_sysreg(CPUState *cs, GByteArra= y *buf, int reg) key =3D cpu->dyn_sysreg_feature.data.cpregs.keys[reg]; ri =3D get_arm_cp_reginfo(cpu->cp_regs, key); if (ri) { + if (ri->vhe_redir_to_el2 && + (arm_hcr_el2_eff(env) & HCR_E2H) && + arm_current_el(env) =3D=3D 2) { + ri =3D get_arm_cp_reginfo(cpu->cp_regs, ri->vhe_redir_to_el2); + } else if (ri->vhe_redir_to_el01) { + ri =3D get_arm_cp_reginfo(cpu->cp_regs, ri->vhe_redir_to_el01); + } switch (cpreg_field_type(ri)) { - case MO_64: - if (ri->vhe_redir_to_el2 && - (arm_hcr_el2_eff(env) & HCR_E2H) && - arm_current_el(env) =3D=3D 2) { - ri =3D get_arm_cp_reginfo(cpu->cp_regs, ri->vhe_redir_to_e= l2); - } else if (ri->vhe_redir_to_el01) { - ri =3D get_arm_cp_reginfo(cpu->cp_regs, ri->vhe_redir_to_e= l01); + case MO_128: + { + Int128 v =3D read_raw_cp_reg128(env, ri); + return gdb_get_reg128(buf, int128_gethi(v), int128_getlo(v= )); } + case MO_64: return gdb_get_reg64(buf, (uint64_t)read_raw_cp_reg(env, ri)); case MO_32: return gdb_get_reg32(buf, (uint32_t)read_raw_cp_reg(env, ri)); @@ -279,6 +284,7 @@ static void arm_register_sysreg_for_feature(gpointer ke= y, gpointer value, RegisterSysregFeatureParam *param =3D p; ARMCPU *cpu =3D ARM_CPU(param->cs); CPUARMState *env =3D &cpu->env; + int bitsize, n; =20 if (ri->type & (ARM_CP_NO_RAW | ARM_CP_NO_GDB)) { return; @@ -297,10 +303,26 @@ static void arm_register_sysreg_for_feature(gpointer = key, gpointer value, } } =20 - gdb_feature_builder_append_reg(¶m->builder, ri->name, - 8 << cpreg_field_type(ri), - param->n, "int", "cp_regs"); - cpu->dyn_sysreg_feature.data.cpregs.keys[param->n++] =3D ri_key; + n =3D param->n++; + bitsize =3D 8 << cpreg_field_type(ri); + /* + * GDB generates an error for type=3D"int" and bitsize=3D128. + * We need to use type=3D"uint128" instead. + */ + switch (bitsize) { + case 128: + gdb_feature_builder_append_reg(¶m->builder, ri->name, + bitsize, n, "uint128", "cp_regs"); + break; + case 64: + case 32: + gdb_feature_builder_append_reg(¶m->builder, ri->name, + bitsize, n, "int", "cp_regs"); + break; + default: + g_assert_not_reached(); + } + cpu->dyn_sysreg_feature.data.cpregs.keys[n] =3D ri_key; } =20 static GDBFeature *arm_gen_dynamic_sysreg_feature(CPUState *cs, int base_r= eg) --=20 2.43.0