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-rw-r--r--hw/ppc/spapr.c41
-rw-r--r--hw/ppc/spapr_hcall.c46
-rw-r--r--hw/ppc/spapr_rtas.c6
-rw-r--r--include/hw/ppc/spapr.h1
-rw-r--r--target/ppc/cpu.h1
-rw-r--r--target/ppc/mmu-hash64.c2
6 files changed, 54 insertions, 43 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index b3631e22c4..84f6e9d9a8 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1389,6 +1389,37 @@ static void emulate_spapr_hypercall(PPCVirtualHypervisor *vhyp,
     }
 }
 
+struct LPCRSyncState {
+    target_ulong value;
+    target_ulong mask;
+};
+
+static void do_lpcr_sync(CPUState *cs, run_on_cpu_data arg)
+{
+    struct LPCRSyncState *s = arg.host_ptr;
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+    CPUPPCState *env = &cpu->env;
+    target_ulong lpcr;
+
+    cpu_synchronize_state(cs);
+    lpcr = env->spr[SPR_LPCR];
+    lpcr &= ~s->mask;
+    lpcr |= s->value;
+    ppc_store_lpcr(cpu, lpcr);
+}
+
+void spapr_set_all_lpcrs(target_ulong value, target_ulong mask)
+{
+    CPUState *cs;
+    struct LPCRSyncState s = {
+        .value = value,
+        .mask = mask
+    };
+    CPU_FOREACH(cs) {
+        run_on_cpu(cs, do_lpcr_sync, RUN_ON_CPU_HOST_PTR(&s));
+    }
+}
+
 static uint64_t spapr_get_patbe(PPCVirtualHypervisor *vhyp)
 {
     sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp);
@@ -1565,7 +1596,7 @@ void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
         }
     }
     /* We're setting up a hash table, so that means we're not radix */
-    spapr->patb_entry = 0;
+    spapr_set_all_lpcrs(0, LPCR_HR | LPCR_UPRT);
 }
 
 void spapr_setup_hpt_and_vrma(sPAPRMachineState *spapr)
@@ -1623,6 +1654,7 @@ static void spapr_machine_reset(void)
          * without a HPT because KVM will start them in radix mode.
          * Set the GR bit in PATB so that we know there is no HPT. */
         spapr->patb_entry = PATBE1_GR;
+        spapr_set_all_lpcrs(LPCR_HR | LPCR_UPRT, LPCR_HR | LPCR_UPRT);
     } else {
         spapr_setup_hpt_and_vrma(spapr);
     }
@@ -1781,6 +1813,13 @@ static int spapr_post_load(void *opaque, int version_id)
         bool radix = !!(spapr->patb_entry & PATBE1_GR);
         bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE);
 
+        /*
+         * Update LPCR:HR and UPRT as they may not be set properly in
+         * the stream
+         */
+        spapr_set_all_lpcrs(radix ? (LPCR_HR | LPCR_UPRT) : 0,
+                            LPCR_HR | LPCR_UPRT);
+
         err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr->patb_entry);
         if (err) {
             error_report("Process table config unsupported by the host");
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 17bcaa3822..b47241ace6 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -17,37 +17,6 @@
 #include "mmu-book3s-v3.h"
 #include "hw/mem/memory-device.h"
 
-struct LPCRSyncState {
-    target_ulong value;
-    target_ulong mask;
-};
-
-static void do_lpcr_sync(CPUState *cs, run_on_cpu_data arg)
-{
-    struct LPCRSyncState *s = arg.host_ptr;
-    PowerPCCPU *cpu = POWERPC_CPU(cs);
-    CPUPPCState *env = &cpu->env;
-    target_ulong lpcr;
-
-    cpu_synchronize_state(cs);
-    lpcr = env->spr[SPR_LPCR];
-    lpcr &= ~s->mask;
-    lpcr |= s->value;
-    ppc_store_lpcr(cpu, lpcr);
-}
-
-static void set_all_lpcrs(target_ulong value, target_ulong mask)
-{
-    CPUState *cs;
-    struct LPCRSyncState s = {
-        .value = value,
-        .mask = mask
-    };
-    CPU_FOREACH(cs) {
-        run_on_cpu(cs, do_lpcr_sync, RUN_ON_CPU_HOST_PTR(&s));
-    }
-}
-
 static bool has_spr(PowerPCCPU *cpu, int spr)
 {
     /* We can test whether the SPR is defined by checking for a valid name */
@@ -1255,12 +1224,12 @@ static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu,
 
     switch (mflags) {
     case H_SET_MODE_ENDIAN_BIG:
-        set_all_lpcrs(0, LPCR_ILE);
+        spapr_set_all_lpcrs(0, LPCR_ILE);
         spapr_pci_switch_vga(true);
         return H_SUCCESS;
 
     case H_SET_MODE_ENDIAN_LITTLE:
-        set_all_lpcrs(LPCR_ILE, LPCR_ILE);
+        spapr_set_all_lpcrs(LPCR_ILE, LPCR_ILE);
         spapr_pci_switch_vga(false);
         return H_SUCCESS;
     }
@@ -1289,7 +1258,7 @@ static target_ulong h_set_mode_resource_addr_trans_mode(PowerPCCPU *cpu,
         return H_UNSUPPORTED_FLAG;
     }
 
-    set_all_lpcrs(mflags << LPCR_AIL_SHIFT, LPCR_AIL);
+    spapr_set_all_lpcrs(mflags << LPCR_AIL_SHIFT, LPCR_AIL);
 
     return H_SUCCESS;
 }
@@ -1422,10 +1391,11 @@ static target_ulong h_register_process_table(PowerPCCPU *cpu,
 
     spapr->patb_entry = cproc; /* Save new process table */
 
-    /* Update the UPRT and GTSE bits in the LPCR for all cpus */
-    set_all_lpcrs(((flags & (FLAG_RADIX | FLAG_HASH_PROC_TBL)) ? LPCR_UPRT : 0) |
-                  ((flags & FLAG_GTSE) ? LPCR_GTSE : 0),
-                  LPCR_UPRT | LPCR_GTSE);
+    /* Update the UPRT, HR and GTSE bits in the LPCR for all cpus */
+    spapr_set_all_lpcrs(((flags & (FLAG_RADIX | FLAG_HASH_PROC_TBL)) ?
+                         (LPCR_UPRT | LPCR_HR) : 0) |
+                        ((flags & FLAG_GTSE) ? LPCR_GTSE : 0),
+                        LPCR_UPRT | LPCR_HR | LPCR_GTSE);
 
     if (kvm_enabled()) {
         return kvmppc_configure_v3_mmu(cpu, flags & FLAG_RADIX,
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index d6a0952154..7a2cb786a3 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -172,10 +172,10 @@ static void rtas_start_cpu(PowerPCCPU *callcpu, sPAPRMachineState *spapr,
          * New cpus are expected to start in the same radix/hash mode
          * as the existing CPUs
          */
-        if (ppc64_radix_guest(callcpu)) {
-            lpcr |= LPCR_UPRT | LPCR_GTSE;
+        if (ppc64_v3_radix(callcpu)) {
+            lpcr |= LPCR_UPRT | LPCR_GTSE | LPCR_HR;
         } else {
-            lpcr &= ~(LPCR_UPRT | LPCR_GTSE);
+            lpcr &= ~(LPCR_UPRT | LPCR_GTSE | LPCR_HR);
         }
     }
     ppc_store_lpcr(newcpu, lpcr);
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index fec0f26f49..659204ea93 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -841,4 +841,5 @@ void spapr_check_pagesize(sPAPRMachineState *spapr, hwaddr pagesize,
 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
 
+void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
 #endif /* HW_SPAPR_H */
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index ececad9f1f..3f39a77750 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -388,6 +388,7 @@ struct ppc_slb_t {
 #define LPCR_AIL          (3ull << LPCR_AIL_SHIFT)
 #define LPCR_UPRT         PPC_BIT(41) /* Use Process Table */
 #define LPCR_EVIRT        PPC_BIT(42) /* Enhanced Virtualisation */
+#define LPCR_HR           PPC_BIT(43) /* Host Radix */
 #define LPCR_ONL          PPC_BIT(45)
 #define LPCR_LD           PPC_BIT(46) /* Large Decrementer */
 #define LPCR_P7_PECE0     PPC_BIT(49)
diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c
index 276d9015e7..f1c7729332 100644
--- a/target/ppc/mmu-hash64.c
+++ b/target/ppc/mmu-hash64.c
@@ -1084,7 +1084,7 @@ void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val)
     case POWERPC_MMU_3_00: /* P9 */
         lpcr = val & (LPCR_VPM1 | LPCR_ISL | LPCR_KBV | LPCR_DPFD |
                       (LPCR_PECE_U_MASK & LPCR_HVEE) | LPCR_ILE | LPCR_AIL |
-                      LPCR_UPRT | LPCR_EVIRT | LPCR_ONL |
+                      LPCR_UPRT | LPCR_EVIRT | LPCR_ONL | LPCR_HR |
                       (LPCR_PECE_L_MASK & (LPCR_PDEE | LPCR_HDEE | LPCR_EEE |
                       LPCR_DEE | LPCR_OEE)) | LPCR_MER | LPCR_GTSE | LPCR_TC |
                       LPCR_HEIC | LPCR_LPES0 | LPCR_HVICE | LPCR_HDICE);