diff options
Diffstat (limited to 'target/loongarch')
| -rw-r--r-- | target/loongarch/cpu-csr.h | 6 | ||||
| -rw-r--r-- | target/loongarch/tlb_helper.c | 23 |
2 files changed, 22 insertions, 7 deletions
diff --git a/target/loongarch/cpu-csr.h b/target/loongarch/cpu-csr.h index b93f99a9ef..c59d7a9fcb 100644 --- a/target/loongarch/cpu-csr.h +++ b/target/loongarch/cpu-csr.h @@ -57,7 +57,8 @@ FIELD(CSR_TLBIDX, PS, 24, 6) FIELD(CSR_TLBIDX, NE, 31, 1) #define LOONGARCH_CSR_TLBEHI 0x11 /* TLB EntryHi */ -FIELD(CSR_TLBEHI, VPPN, 13, 35) +FIELD(CSR_TLBEHI_32, VPPN, 13, 19) +FIELD(CSR_TLBEHI_64, VPPN, 13, 35) #define LOONGARCH_CSR_TLBELO0 0x12 /* TLB EntryLo0 */ #define LOONGARCH_CSR_TLBELO1 0x13 /* TLB EntryLo1 */ @@ -164,7 +165,8 @@ FIELD(CSR_TLBRERA, PC, 2, 62) #define LOONGARCH_CSR_TLBRELO1 0x8d /* TLB refill entrylo1 */ #define LOONGARCH_CSR_TLBREHI 0x8e /* TLB refill entryhi */ FIELD(CSR_TLBREHI, PS, 0, 6) -FIELD(CSR_TLBREHI, VPPN, 13, 35) +FIELD(CSR_TLBREHI_32, VPPN, 13, 19) +FIELD(CSR_TLBREHI_64, VPPN, 13, 35) #define LOONGARCH_CSR_TLBRPRMD 0x8f /* TLB refill mode info */ FIELD(CSR_TLBRPRMD, PPLV, 0, 2) FIELD(CSR_TLBRPRMD, PIE, 2, 1) diff --git a/target/loongarch/tlb_helper.c b/target/loongarch/tlb_helper.c index 1f8e7911c7..c8b8b0497f 100644 --- a/target/loongarch/tlb_helper.c +++ b/target/loongarch/tlb_helper.c @@ -300,8 +300,13 @@ static void raise_mmu_exception(CPULoongArchState *env, target_ulong address, if (tlb_error == TLBRET_NOMATCH) { env->CSR_TLBRBADV = address; - env->CSR_TLBREHI = FIELD_DP64(env->CSR_TLBREHI, CSR_TLBREHI, VPPN, - extract64(address, 13, 35)); + if (is_la64(env)) { + env->CSR_TLBREHI = FIELD_DP64(env->CSR_TLBREHI, CSR_TLBREHI_64, + VPPN, extract64(address, 13, 35)); + } else { + env->CSR_TLBREHI = FIELD_DP64(env->CSR_TLBREHI, CSR_TLBREHI_32, + VPPN, extract64(address, 13, 19)); + } } else { if (!FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)) { env->CSR_BADV = address; @@ -366,12 +371,20 @@ static void fill_tlb_entry(CPULoongArchState *env, int index) if (FIELD_EX64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR)) { csr_ps = FIELD_EX64(env->CSR_TLBREHI, CSR_TLBREHI, PS); - csr_vppn = FIELD_EX64(env->CSR_TLBREHI, CSR_TLBREHI, VPPN); + if (is_la64(env)) { + csr_vppn = FIELD_EX64(env->CSR_TLBREHI, CSR_TLBREHI_64, VPPN); + } else { + csr_vppn = FIELD_EX64(env->CSR_TLBREHI, CSR_TLBREHI_32, VPPN); + } lo0 = env->CSR_TLBRELO0; lo1 = env->CSR_TLBRELO1; } else { csr_ps = FIELD_EX64(env->CSR_TLBIDX, CSR_TLBIDX, PS); - csr_vppn = FIELD_EX64(env->CSR_TLBEHI, CSR_TLBEHI, VPPN); + if (is_la64(env)) { + csr_vppn = FIELD_EX64(env->CSR_TLBEHI, CSR_TLBEHI_64, VPPN); + } else { + csr_vppn = FIELD_EX64(env->CSR_TLBEHI, CSR_TLBEHI_32, VPPN); + } lo0 = env->CSR_TLBELO0; lo1 = env->CSR_TLBELO1; } @@ -491,7 +504,7 @@ void helper_tlbfill(CPULoongArchState *env) if (pagesize == stlb_ps) { /* Only write into STLB bits [47:13] */ - address = entryhi & ~MAKE_64BIT_MASK(0, R_CSR_TLBEHI_VPPN_SHIFT); + address = entryhi & ~MAKE_64BIT_MASK(0, R_CSR_TLBEHI_64_VPPN_SHIFT); /* Choose one set ramdomly */ set = get_random_tlb(0, 7); |