From: David Gibson <david@gibson.dropbear.id.au>
To: gkurz@linux.vnet.ibm.com, aik@ozlabs.ru
Cc: lvivier@redhat.com, thuth@redhat.com, agraf@suse.de,
qemu-devel@nongnu.org, qemu-ppc@nongnu.org,
David Gibson <david@gibson.dropbear.id.au>
Subject: [Qemu-devel] [PATCHv2 1/3] target-ppc: Split out SREGS get/put functions
Date: Mon, 7 Mar 2016 13:26:24 +1100 [thread overview]
Message-ID: <1457317586-15122-2-git-send-email-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <1457317586-15122-1-git-send-email-david@gibson.dropbear.id.au>
Currently the getting and setting of Power MMU registers (sregs) take up
large inline chunks of the kvm_arch_get_registers() and
kvm_arch_put_registers() functions. Especially since there are two
variants (for Book-E and Book-S CPUs), only one of which will be used in
practice, this is pretty hard to read.
This patch splits these out into helper functions for clarity. No
functional change is expected.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
target-ppc/kvm.c | 421 ++++++++++++++++++++++++++++++-------------------------
1 file changed, 228 insertions(+), 193 deletions(-)
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index d67c169..8a762e8 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -867,6 +867,44 @@ static int kvm_put_vpa(CPUState *cs)
}
#endif /* TARGET_PPC64 */
+static int kvmppc_put_books_sregs(PowerPCCPU *cpu)
+{
+ CPUPPCState *env = &cpu->env;
+ struct kvm_sregs sregs;
+ int i;
+
+ sregs.pvr = env->spr[SPR_PVR];
+
+ sregs.u.s.sdr1 = env->spr[SPR_SDR1];
+
+ /* Sync SLB */
+#ifdef TARGET_PPC64
+ for (i = 0; i < ARRAY_SIZE(env->slb); i++) {
+ sregs.u.s.ppc64.slb[i].slbe = env->slb[i].esid;
+ if (env->slb[i].esid & SLB_ESID_V) {
+ sregs.u.s.ppc64.slb[i].slbe |= i;
+ }
+ sregs.u.s.ppc64.slb[i].slbv = env->slb[i].vsid;
+ }
+#endif
+
+ /* Sync SRs */
+ for (i = 0; i < 16; i++) {
+ sregs.u.s.ppc32.sr[i] = env->sr[i];
+ }
+
+ /* Sync BATs */
+ for (i = 0; i < 8; i++) {
+ /* Beware. We have to swap upper and lower bits here */
+ sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[0][i] << 32)
+ | env->DBAT[1][i];
+ sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[0][i] << 32)
+ | env->IBAT[1][i];
+ }
+
+ return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_SREGS, &sregs);
+}
+
int kvm_arch_put_registers(CPUState *cs, int level)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
@@ -920,39 +958,8 @@ int kvm_arch_put_registers(CPUState *cs, int level)
}
if (cap_segstate && (level >= KVM_PUT_RESET_STATE)) {
- struct kvm_sregs sregs;
-
- sregs.pvr = env->spr[SPR_PVR];
-
- sregs.u.s.sdr1 = env->spr[SPR_SDR1];
-
- /* Sync SLB */
-#ifdef TARGET_PPC64
- for (i = 0; i < ARRAY_SIZE(env->slb); i++) {
- sregs.u.s.ppc64.slb[i].slbe = env->slb[i].esid;
- if (env->slb[i].esid & SLB_ESID_V) {
- sregs.u.s.ppc64.slb[i].slbe |= i;
- }
- sregs.u.s.ppc64.slb[i].slbv = env->slb[i].vsid;
- }
-#endif
-
- /* Sync SRs */
- for (i = 0; i < 16; i++) {
- sregs.u.s.ppc32.sr[i] = env->sr[i];
- }
-
- /* Sync BATs */
- for (i = 0; i < 8; i++) {
- /* Beware. We have to swap upper and lower bits here */
- sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[0][i] << 32)
- | env->DBAT[1][i];
- sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[0][i] << 32)
- | env->IBAT[1][i];
- }
-
- ret = kvm_vcpu_ioctl(cs, KVM_SET_SREGS, &sregs);
- if (ret) {
+ ret = kvmppc_put_books_sregs(cpu);
+ if (ret < 0) {
return ret;
}
}
@@ -1014,12 +1021,197 @@ static void kvm_sync_excp(CPUPPCState *env, int vector, int ivor)
env->excp_vectors[vector] = env->spr[ivor] + env->spr[SPR_BOOKE_IVPR];
}
+static int kvmppc_get_booke_sregs(PowerPCCPU *cpu)
+{
+ CPUPPCState *env = &cpu->env;
+ struct kvm_sregs sregs;
+ int ret;
+
+ ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_SREGS, &sregs);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_BASE) {
+ env->spr[SPR_BOOKE_CSRR0] = sregs.u.e.csrr0;
+ env->spr[SPR_BOOKE_CSRR1] = sregs.u.e.csrr1;
+ env->spr[SPR_BOOKE_ESR] = sregs.u.e.esr;
+ env->spr[SPR_BOOKE_DEAR] = sregs.u.e.dear;
+ env->spr[SPR_BOOKE_MCSR] = sregs.u.e.mcsr;
+ env->spr[SPR_BOOKE_TSR] = sregs.u.e.tsr;
+ env->spr[SPR_BOOKE_TCR] = sregs.u.e.tcr;
+ env->spr[SPR_DECR] = sregs.u.e.dec;
+ env->spr[SPR_TBL] = sregs.u.e.tb & 0xffffffff;
+ env->spr[SPR_TBU] = sregs.u.e.tb >> 32;
+ env->spr[SPR_VRSAVE] = sregs.u.e.vrsave;
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_ARCH206) {
+ env->spr[SPR_BOOKE_PIR] = sregs.u.e.pir;
+ env->spr[SPR_BOOKE_MCSRR0] = sregs.u.e.mcsrr0;
+ env->spr[SPR_BOOKE_MCSRR1] = sregs.u.e.mcsrr1;
+ env->spr[SPR_BOOKE_DECAR] = sregs.u.e.decar;
+ env->spr[SPR_BOOKE_IVPR] = sregs.u.e.ivpr;
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_64) {
+ env->spr[SPR_BOOKE_EPCR] = sregs.u.e.epcr;
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_SPRG8) {
+ env->spr[SPR_BOOKE_SPRG8] = sregs.u.e.sprg8;
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_IVOR) {
+ env->spr[SPR_BOOKE_IVOR0] = sregs.u.e.ivor_low[0];
+ kvm_sync_excp(env, POWERPC_EXCP_CRITICAL, SPR_BOOKE_IVOR0);
+ env->spr[SPR_BOOKE_IVOR1] = sregs.u.e.ivor_low[1];
+ kvm_sync_excp(env, POWERPC_EXCP_MCHECK, SPR_BOOKE_IVOR1);
+ env->spr[SPR_BOOKE_IVOR2] = sregs.u.e.ivor_low[2];
+ kvm_sync_excp(env, POWERPC_EXCP_DSI, SPR_BOOKE_IVOR2);
+ env->spr[SPR_BOOKE_IVOR3] = sregs.u.e.ivor_low[3];
+ kvm_sync_excp(env, POWERPC_EXCP_ISI, SPR_BOOKE_IVOR3);
+ env->spr[SPR_BOOKE_IVOR4] = sregs.u.e.ivor_low[4];
+ kvm_sync_excp(env, POWERPC_EXCP_EXTERNAL, SPR_BOOKE_IVOR4);
+ env->spr[SPR_BOOKE_IVOR5] = sregs.u.e.ivor_low[5];
+ kvm_sync_excp(env, POWERPC_EXCP_ALIGN, SPR_BOOKE_IVOR5);
+ env->spr[SPR_BOOKE_IVOR6] = sregs.u.e.ivor_low[6];
+ kvm_sync_excp(env, POWERPC_EXCP_PROGRAM, SPR_BOOKE_IVOR6);
+ env->spr[SPR_BOOKE_IVOR7] = sregs.u.e.ivor_low[7];
+ kvm_sync_excp(env, POWERPC_EXCP_FPU, SPR_BOOKE_IVOR7);
+ env->spr[SPR_BOOKE_IVOR8] = sregs.u.e.ivor_low[8];
+ kvm_sync_excp(env, POWERPC_EXCP_SYSCALL, SPR_BOOKE_IVOR8);
+ env->spr[SPR_BOOKE_IVOR9] = sregs.u.e.ivor_low[9];
+ kvm_sync_excp(env, POWERPC_EXCP_APU, SPR_BOOKE_IVOR9);
+ env->spr[SPR_BOOKE_IVOR10] = sregs.u.e.ivor_low[10];
+ kvm_sync_excp(env, POWERPC_EXCP_DECR, SPR_BOOKE_IVOR10);
+ env->spr[SPR_BOOKE_IVOR11] = sregs.u.e.ivor_low[11];
+ kvm_sync_excp(env, POWERPC_EXCP_FIT, SPR_BOOKE_IVOR11);
+ env->spr[SPR_BOOKE_IVOR12] = sregs.u.e.ivor_low[12];
+ kvm_sync_excp(env, POWERPC_EXCP_WDT, SPR_BOOKE_IVOR12);
+ env->spr[SPR_BOOKE_IVOR13] = sregs.u.e.ivor_low[13];
+ kvm_sync_excp(env, POWERPC_EXCP_DTLB, SPR_BOOKE_IVOR13);
+ env->spr[SPR_BOOKE_IVOR14] = sregs.u.e.ivor_low[14];
+ kvm_sync_excp(env, POWERPC_EXCP_ITLB, SPR_BOOKE_IVOR14);
+ env->spr[SPR_BOOKE_IVOR15] = sregs.u.e.ivor_low[15];
+ kvm_sync_excp(env, POWERPC_EXCP_DEBUG, SPR_BOOKE_IVOR15);
+
+ if (sregs.u.e.features & KVM_SREGS_E_SPE) {
+ env->spr[SPR_BOOKE_IVOR32] = sregs.u.e.ivor_high[0];
+ kvm_sync_excp(env, POWERPC_EXCP_SPEU, SPR_BOOKE_IVOR32);
+ env->spr[SPR_BOOKE_IVOR33] = sregs.u.e.ivor_high[1];
+ kvm_sync_excp(env, POWERPC_EXCP_EFPDI, SPR_BOOKE_IVOR33);
+ env->spr[SPR_BOOKE_IVOR34] = sregs.u.e.ivor_high[2];
+ kvm_sync_excp(env, POWERPC_EXCP_EFPRI, SPR_BOOKE_IVOR34);
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_PM) {
+ env->spr[SPR_BOOKE_IVOR35] = sregs.u.e.ivor_high[3];
+ kvm_sync_excp(env, POWERPC_EXCP_EPERFM, SPR_BOOKE_IVOR35);
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_PC) {
+ env->spr[SPR_BOOKE_IVOR36] = sregs.u.e.ivor_high[4];
+ kvm_sync_excp(env, POWERPC_EXCP_DOORI, SPR_BOOKE_IVOR36);
+ env->spr[SPR_BOOKE_IVOR37] = sregs.u.e.ivor_high[5];
+ kvm_sync_excp(env, POWERPC_EXCP_DOORCI, SPR_BOOKE_IVOR37);
+ }
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_ARCH206_MMU) {
+ env->spr[SPR_BOOKE_MAS0] = sregs.u.e.mas0;
+ env->spr[SPR_BOOKE_MAS1] = sregs.u.e.mas1;
+ env->spr[SPR_BOOKE_MAS2] = sregs.u.e.mas2;
+ env->spr[SPR_BOOKE_MAS3] = sregs.u.e.mas7_3 & 0xffffffff;
+ env->spr[SPR_BOOKE_MAS4] = sregs.u.e.mas4;
+ env->spr[SPR_BOOKE_MAS6] = sregs.u.e.mas6;
+ env->spr[SPR_BOOKE_MAS7] = sregs.u.e.mas7_3 >> 32;
+ env->spr[SPR_MMUCFG] = sregs.u.e.mmucfg;
+ env->spr[SPR_BOOKE_TLB0CFG] = sregs.u.e.tlbcfg[0];
+ env->spr[SPR_BOOKE_TLB1CFG] = sregs.u.e.tlbcfg[1];
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_EXP) {
+ env->spr[SPR_BOOKE_EPR] = sregs.u.e.epr;
+ }
+
+ if (sregs.u.e.features & KVM_SREGS_E_PD) {
+ env->spr[SPR_BOOKE_EPLC] = sregs.u.e.eplc;
+ env->spr[SPR_BOOKE_EPSC] = sregs.u.e.epsc;
+ }
+
+ if (sregs.u.e.impl_id == KVM_SREGS_E_IMPL_FSL) {
+ env->spr[SPR_E500_SVR] = sregs.u.e.impl.fsl.svr;
+ env->spr[SPR_Exxx_MCAR] = sregs.u.e.impl.fsl.mcar;
+ env->spr[SPR_HID0] = sregs.u.e.impl.fsl.hid0;
+
+ if (sregs.u.e.impl.fsl.features & KVM_SREGS_E_FSL_PIDn) {
+ env->spr[SPR_BOOKE_PID1] = sregs.u.e.impl.fsl.pid1;
+ env->spr[SPR_BOOKE_PID2] = sregs.u.e.impl.fsl.pid2;
+ }
+ }
+
+ return 0;
+}
+
+static int kvmppc_get_books_sregs(PowerPCCPU *cpu)
+{
+ CPUPPCState *env = &cpu->env;
+ struct kvm_sregs sregs;
+ int ret;
+ int i;
+
+ ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_SREGS, &sregs);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (!env->external_htab) {
+ ppc_store_sdr1(env, sregs.u.s.sdr1);
+ }
+
+ /* Sync SLB */
+#ifdef TARGET_PPC64
+ /*
+ * The packed SLB array we get from KVM_GET_SREGS only contains
+ * information about valid entries. So we flush our internal copy
+ * to get rid of stale ones, then put all valid SLB entries back
+ * in.
+ */
+ memset(env->slb, 0, sizeof(env->slb));
+ for (i = 0; i < ARRAY_SIZE(env->slb); i++) {
+ target_ulong rb = sregs.u.s.ppc64.slb[i].slbe;
+ target_ulong rs = sregs.u.s.ppc64.slb[i].slbv;
+ /*
+ * Only restore valid entries
+ */
+ if (rb & SLB_ESID_V) {
+ ppc_store_slb(cpu, rb & 0xfff, rb & ~0xfffULL, rs);
+ }
+ }
+#endif
+
+ /* Sync SRs */
+ for (i = 0; i < 16; i++) {
+ env->sr[i] = sregs.u.s.ppc32.sr[i];
+ }
+
+ /* Sync BATs */
+ for (i = 0; i < 8; i++) {
+ env->DBAT[0][i] = sregs.u.s.ppc32.dbat[i] & 0xffffffff;
+ env->DBAT[1][i] = sregs.u.s.ppc32.dbat[i] >> 32;
+ env->IBAT[0][i] = sregs.u.s.ppc32.ibat[i] & 0xffffffff;
+ env->IBAT[1][i] = sregs.u.s.ppc32.ibat[i] >> 32;
+ }
+
+ return 0;
+}
+
int kvm_arch_get_registers(CPUState *cs)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
struct kvm_regs regs;
- struct kvm_sregs sregs;
uint32_t cr;
int i, ret;
@@ -1059,174 +1251,17 @@ int kvm_arch_get_registers(CPUState *cs)
kvm_get_fp(cs);
if (cap_booke_sregs) {
- ret = kvm_vcpu_ioctl(cs, KVM_GET_SREGS, &sregs);
+ ret = kvmppc_get_booke_sregs(cpu);
if (ret < 0) {
return ret;
}
-
- if (sregs.u.e.features & KVM_SREGS_E_BASE) {
- env->spr[SPR_BOOKE_CSRR0] = sregs.u.e.csrr0;
- env->spr[SPR_BOOKE_CSRR1] = sregs.u.e.csrr1;
- env->spr[SPR_BOOKE_ESR] = sregs.u.e.esr;
- env->spr[SPR_BOOKE_DEAR] = sregs.u.e.dear;
- env->spr[SPR_BOOKE_MCSR] = sregs.u.e.mcsr;
- env->spr[SPR_BOOKE_TSR] = sregs.u.e.tsr;
- env->spr[SPR_BOOKE_TCR] = sregs.u.e.tcr;
- env->spr[SPR_DECR] = sregs.u.e.dec;
- env->spr[SPR_TBL] = sregs.u.e.tb & 0xffffffff;
- env->spr[SPR_TBU] = sregs.u.e.tb >> 32;
- env->spr[SPR_VRSAVE] = sregs.u.e.vrsave;
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_ARCH206) {
- env->spr[SPR_BOOKE_PIR] = sregs.u.e.pir;
- env->spr[SPR_BOOKE_MCSRR0] = sregs.u.e.mcsrr0;
- env->spr[SPR_BOOKE_MCSRR1] = sregs.u.e.mcsrr1;
- env->spr[SPR_BOOKE_DECAR] = sregs.u.e.decar;
- env->spr[SPR_BOOKE_IVPR] = sregs.u.e.ivpr;
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_64) {
- env->spr[SPR_BOOKE_EPCR] = sregs.u.e.epcr;
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_SPRG8) {
- env->spr[SPR_BOOKE_SPRG8] = sregs.u.e.sprg8;
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_IVOR) {
- env->spr[SPR_BOOKE_IVOR0] = sregs.u.e.ivor_low[0];
- kvm_sync_excp(env, POWERPC_EXCP_CRITICAL, SPR_BOOKE_IVOR0);
- env->spr[SPR_BOOKE_IVOR1] = sregs.u.e.ivor_low[1];
- kvm_sync_excp(env, POWERPC_EXCP_MCHECK, SPR_BOOKE_IVOR1);
- env->spr[SPR_BOOKE_IVOR2] = sregs.u.e.ivor_low[2];
- kvm_sync_excp(env, POWERPC_EXCP_DSI, SPR_BOOKE_IVOR2);
- env->spr[SPR_BOOKE_IVOR3] = sregs.u.e.ivor_low[3];
- kvm_sync_excp(env, POWERPC_EXCP_ISI, SPR_BOOKE_IVOR3);
- env->spr[SPR_BOOKE_IVOR4] = sregs.u.e.ivor_low[4];
- kvm_sync_excp(env, POWERPC_EXCP_EXTERNAL, SPR_BOOKE_IVOR4);
- env->spr[SPR_BOOKE_IVOR5] = sregs.u.e.ivor_low[5];
- kvm_sync_excp(env, POWERPC_EXCP_ALIGN, SPR_BOOKE_IVOR5);
- env->spr[SPR_BOOKE_IVOR6] = sregs.u.e.ivor_low[6];
- kvm_sync_excp(env, POWERPC_EXCP_PROGRAM, SPR_BOOKE_IVOR6);
- env->spr[SPR_BOOKE_IVOR7] = sregs.u.e.ivor_low[7];
- kvm_sync_excp(env, POWERPC_EXCP_FPU, SPR_BOOKE_IVOR7);
- env->spr[SPR_BOOKE_IVOR8] = sregs.u.e.ivor_low[8];
- kvm_sync_excp(env, POWERPC_EXCP_SYSCALL, SPR_BOOKE_IVOR8);
- env->spr[SPR_BOOKE_IVOR9] = sregs.u.e.ivor_low[9];
- kvm_sync_excp(env, POWERPC_EXCP_APU, SPR_BOOKE_IVOR9);
- env->spr[SPR_BOOKE_IVOR10] = sregs.u.e.ivor_low[10];
- kvm_sync_excp(env, POWERPC_EXCP_DECR, SPR_BOOKE_IVOR10);
- env->spr[SPR_BOOKE_IVOR11] = sregs.u.e.ivor_low[11];
- kvm_sync_excp(env, POWERPC_EXCP_FIT, SPR_BOOKE_IVOR11);
- env->spr[SPR_BOOKE_IVOR12] = sregs.u.e.ivor_low[12];
- kvm_sync_excp(env, POWERPC_EXCP_WDT, SPR_BOOKE_IVOR12);
- env->spr[SPR_BOOKE_IVOR13] = sregs.u.e.ivor_low[13];
- kvm_sync_excp(env, POWERPC_EXCP_DTLB, SPR_BOOKE_IVOR13);
- env->spr[SPR_BOOKE_IVOR14] = sregs.u.e.ivor_low[14];
- kvm_sync_excp(env, POWERPC_EXCP_ITLB, SPR_BOOKE_IVOR14);
- env->spr[SPR_BOOKE_IVOR15] = sregs.u.e.ivor_low[15];
- kvm_sync_excp(env, POWERPC_EXCP_DEBUG, SPR_BOOKE_IVOR15);
-
- if (sregs.u.e.features & KVM_SREGS_E_SPE) {
- env->spr[SPR_BOOKE_IVOR32] = sregs.u.e.ivor_high[0];
- kvm_sync_excp(env, POWERPC_EXCP_SPEU, SPR_BOOKE_IVOR32);
- env->spr[SPR_BOOKE_IVOR33] = sregs.u.e.ivor_high[1];
- kvm_sync_excp(env, POWERPC_EXCP_EFPDI, SPR_BOOKE_IVOR33);
- env->spr[SPR_BOOKE_IVOR34] = sregs.u.e.ivor_high[2];
- kvm_sync_excp(env, POWERPC_EXCP_EFPRI, SPR_BOOKE_IVOR34);
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_PM) {
- env->spr[SPR_BOOKE_IVOR35] = sregs.u.e.ivor_high[3];
- kvm_sync_excp(env, POWERPC_EXCP_EPERFM, SPR_BOOKE_IVOR35);
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_PC) {
- env->spr[SPR_BOOKE_IVOR36] = sregs.u.e.ivor_high[4];
- kvm_sync_excp(env, POWERPC_EXCP_DOORI, SPR_BOOKE_IVOR36);
- env->spr[SPR_BOOKE_IVOR37] = sregs.u.e.ivor_high[5];
- kvm_sync_excp(env, POWERPC_EXCP_DOORCI, SPR_BOOKE_IVOR37);
- }
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_ARCH206_MMU) {
- env->spr[SPR_BOOKE_MAS0] = sregs.u.e.mas0;
- env->spr[SPR_BOOKE_MAS1] = sregs.u.e.mas1;
- env->spr[SPR_BOOKE_MAS2] = sregs.u.e.mas2;
- env->spr[SPR_BOOKE_MAS3] = sregs.u.e.mas7_3 & 0xffffffff;
- env->spr[SPR_BOOKE_MAS4] = sregs.u.e.mas4;
- env->spr[SPR_BOOKE_MAS6] = sregs.u.e.mas6;
- env->spr[SPR_BOOKE_MAS7] = sregs.u.e.mas7_3 >> 32;
- env->spr[SPR_MMUCFG] = sregs.u.e.mmucfg;
- env->spr[SPR_BOOKE_TLB0CFG] = sregs.u.e.tlbcfg[0];
- env->spr[SPR_BOOKE_TLB1CFG] = sregs.u.e.tlbcfg[1];
- }
-
- if (sregs.u.e.features & KVM_SREGS_EXP) {
- env->spr[SPR_BOOKE_EPR] = sregs.u.e.epr;
- }
-
- if (sregs.u.e.features & KVM_SREGS_E_PD) {
- env->spr[SPR_BOOKE_EPLC] = sregs.u.e.eplc;
- env->spr[SPR_BOOKE_EPSC] = sregs.u.e.epsc;
- }
-
- if (sregs.u.e.impl_id == KVM_SREGS_E_IMPL_FSL) {
- env->spr[SPR_E500_SVR] = sregs.u.e.impl.fsl.svr;
- env->spr[SPR_Exxx_MCAR] = sregs.u.e.impl.fsl.mcar;
- env->spr[SPR_HID0] = sregs.u.e.impl.fsl.hid0;
-
- if (sregs.u.e.impl.fsl.features & KVM_SREGS_E_FSL_PIDn) {
- env->spr[SPR_BOOKE_PID1] = sregs.u.e.impl.fsl.pid1;
- env->spr[SPR_BOOKE_PID2] = sregs.u.e.impl.fsl.pid2;
- }
- }
}
if (cap_segstate) {
- ret = kvm_vcpu_ioctl(cs, KVM_GET_SREGS, &sregs);
+ ret = kvmppc_get_books_sregs(cpu);
if (ret < 0) {
return ret;
}
-
- if (!env->external_htab) {
- ppc_store_sdr1(env, sregs.u.s.sdr1);
- }
-
- /* Sync SLB */
-#ifdef TARGET_PPC64
- /*
- * The packed SLB array we get from KVM_GET_SREGS only contains
- * information about valid entries. So we flush our internal
- * copy to get rid of stale ones, then put all valid SLB entries
- * back in.
- */
- memset(env->slb, 0, sizeof(env->slb));
- for (i = 0; i < ARRAY_SIZE(env->slb); i++) {
- target_ulong rb = sregs.u.s.ppc64.slb[i].slbe;
- target_ulong rs = sregs.u.s.ppc64.slb[i].slbv;
- /*
- * Only restore valid entries
- */
- if (rb & SLB_ESID_V) {
- ppc_store_slb(cpu, rb & 0xfff, rb & ~0xfffULL, rs);
- }
- }
-#endif
-
- /* Sync SRs */
- for (i = 0; i < 16; i++) {
- env->sr[i] = sregs.u.s.ppc32.sr[i];
- }
-
- /* Sync BATs */
- for (i = 0; i < 8; i++) {
- env->DBAT[0][i] = sregs.u.s.ppc32.dbat[i] & 0xffffffff;
- env->DBAT[1][i] = sregs.u.s.ppc32.dbat[i] >> 32;
- env->IBAT[0][i] = sregs.u.s.ppc32.ibat[i] & 0xffffffff;
- env->IBAT[1][i] = sregs.u.s.ppc32.ibat[i] >> 32;
- }
}
if (cap_hior) {
--
2.5.0
next prev parent reply other threads:[~2016-03-07 2:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-07 2:26 [Qemu-devel] [PATCHv2 0/3] target-ppc: Clean up handling of SDR1 and external HPTs David Gibson
2016-03-07 2:26 ` David Gibson [this message]
2016-03-07 11:22 ` [Qemu-devel] [PATCHv2 1/3] target-ppc: Split out SREGS get/put functions Thomas Huth
2016-03-08 0:32 ` David Gibson
2016-03-08 0:37 ` David Gibson
2016-03-08 3:01 ` Alexey Kardashevskiy
2016-03-08 3:53 ` David Gibson
2016-03-08 5:13 ` Alexey Kardashevskiy
2016-03-08 5:50 ` David Gibson
2016-03-08 8:50 ` Greg Kurz
2016-03-07 2:26 ` [Qemu-devel] [PATCHv2 2/3] target-ppc: Add helpers for updating a CPU's SDR1 and external HPT David Gibson
2016-03-07 13:37 ` Greg Kurz
2016-03-07 15:56 ` Thomas Huth
2016-03-22 16:33 ` Laurent Vivier
2016-03-24 5:35 ` David Gibson
2016-03-24 8:41 ` Laurent Vivier
2016-03-25 9:13 ` [Qemu-devel] [Qemu-ppc] " Greg Kurz
2016-03-29 6:39 ` David Gibson
2016-03-07 2:26 ` [Qemu-devel] [PATCHv2 3/3] target-ppc: Eliminate kvmppc_kern_htab global David Gibson
2016-03-07 13:41 ` Greg Kurz
2016-03-08 0:36 ` David Gibson
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