| Message ID | 20230822032724.1353391-10-gaosong@loongson.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add some checks before translating instructions | expand |
On 8/21/23 20:27, Song Gao wrote: > From: Jiajie Chen<c@jia.je> > > Add LoongArch32 cpu la132. > > Due to lack of public documentation of la132, it is currently a > synthetic LoongArch32 cpu model. Details need to be added in the future. > > Signed-off-by: Jiajie Chen<c@jia.je> > Signed-off-by: Song Gao<gaosong@loongson.cn> > --- > target/loongarch/cpu.c | 30 ++++++++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) Acked-by: Richard Henderson <richard.henderson@linaro.org> r~
On 22/8/23 05:27, Song Gao wrote: > From: Jiajie Chen <c@jia.je> > > Add LoongArch32 cpu la132. > > Due to lack of public documentation of la132, it is currently a > synthetic LoongArch32 cpu model. Details need to be added in the future. > > Signed-off-by: Jiajie Chen <c@jia.je> > Signed-off-by: Song Gao <gaosong@loongson.cn> > --- > target/loongarch/cpu.c | 30 ++++++++++++++++++++++++++++++ Thanks for splitting the hw/ patch out, ... > 1 file changed, 30 insertions(+) > > diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c > index 67eb6c3135..d3c3e0d8a1 100644 > --- a/target/loongarch/cpu.c > +++ b/target/loongarch/cpu.c > @@ -440,6 +440,35 @@ static void loongarch_la464_initfn(Object *obj) > env->CSR_ASID = FIELD_DP64(0, CSR_ASID, ASIDBITS, 0xa); > } > > +static void loongarch_la132_initfn(Object *obj) > +{ > + LoongArchCPU *cpu = LOONGARCH_CPU(obj); > + CPULoongArchState *env = &cpu->env; > + > + int i; > + > + for (i = 0; i < 21; i++) { > + env->cpucfg[i] = 0x0; > + } > + > + cpu->dtb_compatible = "loongarch,Loongson-1C103"; > + env->cpucfg[0] = 0x148042; /* PRID */ ... and filling the PRid register. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 67eb6c3135..d3c3e0d8a1 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -440,6 +440,35 @@ static void loongarch_la464_initfn(Object *obj) env->CSR_ASID = FIELD_DP64(0, CSR_ASID, ASIDBITS, 0xa); } +static void loongarch_la132_initfn(Object *obj) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + CPULoongArchState *env = &cpu->env; + + int i; + + for (i = 0; i < 21; i++) { + env->cpucfg[i] = 0x0; + } + + cpu->dtb_compatible = "loongarch,Loongson-1C103"; + env->cpucfg[0] = 0x148042; /* PRID */ + + uint32_t data = 0; + data = FIELD_DP32(data, CPUCFG1, ARCH, 1); /* LA32 */ + data = FIELD_DP32(data, CPUCFG1, PGMMU, 1); + data = FIELD_DP32(data, CPUCFG1, IOCSR, 1); + data = FIELD_DP32(data, CPUCFG1, PALEN, 0x1f); /* 32 bits */ + data = FIELD_DP32(data, CPUCFG1, VALEN, 0x1f); /* 32 bits */ + data = FIELD_DP32(data, CPUCFG1, UAL, 1); + data = FIELD_DP32(data, CPUCFG1, RI, 0); + data = FIELD_DP32(data, CPUCFG1, EP, 0); + data = FIELD_DP32(data, CPUCFG1, RPLV, 0); + data = FIELD_DP32(data, CPUCFG1, HP, 1); + data = FIELD_DP32(data, CPUCFG1, IOCSR_BRD, 1); + env->cpucfg[1] = data; +} + static void loongarch_cpu_list_entry(gpointer data, gpointer user_data) { const char *typename = object_class_get_name(OBJECT_CLASS(data)); @@ -787,6 +816,7 @@ static const TypeInfo loongarch_cpu_type_infos[] = { .class_init = loongarch64_cpu_class_init, }, DEFINE_LOONGARCH_CPU_TYPE(64, "la464", loongarch_la464_initfn), + DEFINE_LOONGARCH_CPU_TYPE(32, "la132", loongarch_la132_initfn), }; DEFINE_TYPES(loongarch_cpu_type_infos)