aboutsummaryrefslogtreecommitdiff
path: root/target-ppc
diff options
context:
space:
mode:
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/cpu.h3
-rw-r--r--target-ppc/helper.c60
-rw-r--r--target-ppc/op_helper.c8
-rw-r--r--target-ppc/translate.c23
4 files changed, 74 insertions, 20 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index fba5a8fec2..d6feb88bb4 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -716,7 +716,8 @@ void ppc_store_sdr1 (CPUPPCState *env, target_ulong value);
#if defined(TARGET_PPC64)
void ppc_store_asr (CPUPPCState *env, target_ulong value);
target_ulong ppc_load_slb (CPUPPCState *env, int slb_nr);
-void ppc_store_slb (CPUPPCState *env, int slb_nr, target_ulong rs);
+target_ulong ppc_load_sr (CPUPPCState *env, int sr_nr);
+void ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs);
#endif /* defined(TARGET_PPC64) */
void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value);
#endif /* !defined(CONFIG_USER_ONLY) */
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index e02dcb03d9..cc471969a2 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -821,27 +821,34 @@ target_ulong ppc_load_slb (CPUPPCState *env, int slb_nr)
return rt;
}
-void ppc_store_slb (CPUPPCState *env, int slb_nr, target_ulong rs)
+void ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs)
{
target_phys_addr_t sr_base;
uint64_t tmp64;
uint32_t tmp;
+ uint64_t vsid;
+ uint64_t esid;
+ int flags, valid, slb_nr;
+
+ vsid = rs >> 12;
+ flags = ((rs >> 8) & 0xf);
+
+ esid = rb >> 28;
+ valid = (rb & (1 << 27));
+ slb_nr = rb & 0xfff;
+
+ tmp64 = (esid << 28) | valid | (vsid >> 24);
+ tmp = (vsid << 8) | (flags << 3);
+
+ /* Write SLB entry to memory */
sr_base = env->spr[SPR_ASR];
sr_base += 12 * slb_nr;
- /* Copy Rs bits 37:63 to SLB 62:88 */
- tmp = rs << 8;
- tmp64 = (rs >> 24) & 0x7;
- /* Copy Rs bits 33:36 to SLB 89:92 */
- tmp |= ((rs >> 27) & 0xF) << 4;
- /* Set the valid bit */
- tmp64 |= 1 << 27;
- /* Set ESID */
- tmp64 |= (uint32_t)slb_nr << 28;
- LOG_SLB("%s: %d " ADDRX " => " PADDRX " %016" PRIx64
+
+ LOG_SLB("%s: %d " ADDRX " - " ADDRX " => " PADDRX " %016" PRIx64
" %08" PRIx32 "\n", __func__,
- slb_nr, rs, sr_base, tmp64, tmp);
- /* Write SLB entry to memory */
+ slb_nr, rb, rs, sr_base, tmp64, tmp);
+
stq_phys(sr_base, tmp64);
stl_phys(sr_base + 8, tmp);
}
@@ -1945,10 +1952,37 @@ void ppc_store_sdr1 (CPUPPCState *env, target_ulong value)
}
}
+#if defined(TARGET_PPC64)
+target_ulong ppc_load_sr (CPUPPCState *env, int slb_nr)
+{
+ // XXX
+ return 0;
+}
+#endif
+
void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value)
{
LOG_MMU("%s: reg=%d " ADDRX " " ADDRX "\n",
__func__, srnum, value, env->sr[srnum]);
+#if defined(TARGET_PPC64)
+ if (env->mmu_model & POWERPC_MMU_64) {
+ uint64_t rb = 0, rs = 0;
+
+ /* ESID = srnum */
+ rb |= ((uint32_t)srnum & 0xf) << 28;
+ /* Set the valid bit */
+ rb |= 1 << 27;
+ /* Index = ESID */
+ rb |= (uint32_t)srnum;
+
+ /* VSID = VSID */
+ rs |= (value & 0xfffffff) << 12;
+ /* flags = flags */
+ rs |= ((value >> 27) & 0xf) << 9;
+
+ ppc_store_slb(env, rb, rs);
+ } else
+#endif
if (env->sr[srnum] != value) {
env->sr[srnum] = value;
#if !defined(FLUSH_ALL_TLBS) && 0
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 3afd217bc2..76fe8f6f8c 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -3752,6 +3752,10 @@ void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
/* Segment registers load and store */
target_ulong helper_load_sr (target_ulong sr_num)
{
+#if defined(TARGET_PPC64)
+ if (env->mmu_model & POWERPC_MMU_64)
+ return ppc_load_sr(env, sr_num);
+#endif
return env->sr[sr_num];
}
@@ -3767,9 +3771,9 @@ target_ulong helper_load_slb (target_ulong slb_nr)
return ppc_load_slb(env, slb_nr);
}
-void helper_store_slb (target_ulong slb_nr, target_ulong rs)
+void helper_store_slb (target_ulong rb, target_ulong rs)
{
- ppc_store_slb(env, slb_nr, rs);
+ ppc_store_slb(env, rb, rs);
}
void helper_slbia (void)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 6816e0867d..cbf1a35899 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -4300,7 +4300,7 @@ GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B)
return;
}
t0 = tcg_const_tl(SR(ctx->opcode));
- gen_helper_load_slb(cpu_gpr[rD(ctx->opcode)], t0);
+ gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
@@ -4320,7 +4320,7 @@ GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
tcg_gen_andi_tl(t0, t0, 0xF);
- gen_helper_load_slb(cpu_gpr[rD(ctx->opcode)], t0);
+ gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
@@ -4337,7 +4337,7 @@ GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B)
return;
}
t0 = tcg_const_tl(SR(ctx->opcode));
- gen_helper_store_slb(t0, cpu_gpr[rS(ctx->opcode)]);
+ gen_helper_store_sr(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
@@ -4357,10 +4357,25 @@ GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
tcg_gen_andi_tl(t0, t0, 0xF);
- gen_helper_store_slb(t0, cpu_gpr[rS(ctx->opcode)]);
+ gen_helper_store_sr(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
+
+/* slbmte */
+GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x00000000, PPC_SEGMENT_64B)
+{
+#if defined(CONFIG_USER_ONLY)
+ gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
+#else
+ if (unlikely(!ctx->mem_idx)) {
+ gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
+ return;
+ }
+ gen_helper_store_slb(cpu_gpr[rB(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
+#endif
+}
+
#endif /* defined(TARGET_PPC64) */
/*** Lookaside buffer management ***/
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-20 19:51:17 +0000