diff options
Diffstat (limited to 'target/loongarch/cpu.c')
| -rw-r--r-- | target/loongarch/cpu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index d2e739a029..49f603149d 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -544,6 +544,7 @@ static void loongarch_max_initfn(Object *obj) static void loongarch_cpu_reset_hold(Object *obj, ResetType type) { + uint8_t tlb_ps; CPUState *cs = CPU(obj); LoongArchCPUClass *lacc = LOONGARCH_CPU_GET_CLASS(obj); CPULoongArchState *env = cpu_env(cs); @@ -592,13 +593,17 @@ static void loongarch_cpu_reset_hold(Object *obj, ResetType type) */ env->CSR_PGDH = 0; env->CSR_PGDL = 0; - env->CSR_PWCL = 0; env->CSR_PWCH = 0; - env->CSR_STLBPS = 0; env->CSR_EENTRY = 0; env->CSR_TLBRENTRY = 0; env->CSR_MERRENTRY = 0; - + /* set CSR_PWCL.PTBASE and CSR_STLBPS.PS bits from CSR_PRCFG2 */ + if (env->CSR_PRCFG2 == 0) { + env->CSR_PRCFG2 = 0x3fffff000; + } + tlb_ps = ctz32(env->CSR_PRCFG2); + env->CSR_STLBPS = FIELD_DP64(env->CSR_STLBPS, CSR_STLBPS, PS, tlb_ps); + env->CSR_PWCL = FIELD_DP64(env->CSR_PWCL, CSR_PWCL, PTBASE, tlb_ps); for (n = 0; n < 4; n++) { env->CSR_DMW[n] = FIELD_DP64(env->CSR_DMW[n], CSR_DMW, PLV0, 0); env->CSR_DMW[n] = FIELD_DP64(env->CSR_DMW[n], CSR_DMW, PLV1, 0); |