Message ID | 20200303034351.333043-8-david@gibson.dropbear.id.au (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | target/ppc: Correct some errors with real mode handling | expand |
On 3/3/20 4:43 AM, David Gibson wrote: > When we store the Logical Partitioning Control Register (LPCR) we have a > big switch statement to work out which are valid bits for the cpu model > we're emulating. > > As well as being ugly, this isn't really conceptually correct, since it is > based on the mmu_model variable, whereas the LPCR isn't (only) about the > MMU, so mmu_model is basically just acting as a proxy for the cpu model. > > Handle this in a simpler way, by adding a suitable lpcr_mask to the QOM > class. > > Signed-off-by: David Gibson <david@gibson.dropbear.id.au> > Reviewed-by: Cédric Le Goater <clg@kaod.org> > Reviewed-by: Greg Kurz <groug@kaod.org> > --- > target/ppc/cpu-qom.h | 1 + > target/ppc/mmu-hash64.c | 36 ++------------------------------- > target/ppc/translate_init.inc.c | 27 +++++++++++++++++++++---- > 3 files changed, 26 insertions(+), 38 deletions(-) > > diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h > index e499575dc8..15d6b54a7d 100644 > --- a/target/ppc/cpu-qom.h > +++ b/target/ppc/cpu-qom.h > @@ -177,6 +177,7 @@ typedef struct PowerPCCPUClass { > uint64_t insns_flags; > uint64_t insns_flags2; > uint64_t msr_mask; > + uint64_t lpcr_mask; /* Available bits in the LPCR */ > uint64_t lpcr_pm; /* Power-saving mode Exit Cause Enable bits */ > powerpc_mmu_t mmu_model; > powerpc_excp_t excp_model; > diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c > index caf47ad6fc..0ef330a614 100644 > --- a/target/ppc/mmu-hash64.c > +++ b/target/ppc/mmu-hash64.c > @@ -1095,42 +1095,10 @@ static void ppc_hash64_update_vrma(PowerPCCPU *cpu) > > void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val) > { > + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); > CPUPPCState *env = &cpu->env; > - uint64_t lpcr = 0; > > - /* Filter out bits */ > - switch (env->mmu_model) { > - case POWERPC_MMU_2_03: /* P5p */ > - lpcr = val & (LPCR_RMLS | LPCR_ILE | > - LPCR_LPES0 | LPCR_LPES1 | > - LPCR_RMI | LPCR_HDICE); > - break; > - case POWERPC_MMU_2_06: /* P7 */ > - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | > - LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > - LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | > - LPCR_MER | LPCR_TC | > - LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE); > - break; > - case POWERPC_MMU_2_07: /* P8 */ > - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | > - LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > - LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | > - LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | > - LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE); > - break; > - 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_HR | LPCR_LD | > - (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); > - break; > - default: > - g_assert_not_reached(); > - } > - env->spr[SPR_LPCR] = lpcr; > + env->spr[SPR_LPCR] = val & pcc->lpcr_mask; > ppc_hash64_update_rmls(cpu); > ppc_hash64_update_vrma(cpu); > } > diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c > index f7acd3d61d..68aa4dfad8 100644 > --- a/target/ppc/translate_init.inc.c > +++ b/target/ppc/translate_init.inc.c > @@ -8476,6 +8476,8 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) > (1ull << MSR_DR) | > (1ull << MSR_PMM) | > (1ull << MSR_RI); > + pcc->lpcr_mask = LPCR_RMLS | LPCR_ILE | LPCR_LPES0 | LPCR_LPES1 | > + LPCR_RMI | LPCR_HDICE; > pcc->mmu_model = POWERPC_MMU_2_03; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > @@ -8614,6 +8616,12 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) > (1ull << MSR_PMM) | > (1ull << MSR_RI) | > (1ull << MSR_LE); > + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | > + LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > + LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | > + LPCR_MER | LPCR_TC | > + LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE; > + pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; > pcc->mmu_model = POWERPC_MMU_2_06; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > @@ -8630,7 +8638,6 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; > } > > static void init_proc_POWER8(CPUPPCState *env) > @@ -8785,6 +8792,13 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) > (1ull << MSR_TS0) | > (1ull << MSR_TS1) | > (1ull << MSR_LE); > + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | > + LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > + LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | > + LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | > + LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE; > + pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | > + LPCR_P8_PECE3 | LPCR_P8_PECE4; > pcc->mmu_model = POWERPC_MMU_2_07; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > @@ -8802,8 +8816,6 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | > - LPCR_P8_PECE3 | LPCR_P8_PECE4; Moving lpcr_pm in the same patch makes review slightly harder, anyway: Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> > } > > #ifdef CONFIG_SOFTMMU > @@ -8995,6 +9007,14 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > (1ull << MSR_PMM) | > (1ull << MSR_RI) | > (1ull << MSR_LE); > + pcc->lpcr_mask = 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_HR | LPCR_LD | > + (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; > + pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > pcc->mmu_model = POWERPC_MMU_3_00; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault; > @@ -9014,7 +9034,6 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > } > > #ifdef CONFIG_SOFTMMU >
On 3/3/20 4:43 AM, David Gibson wrote: > When we store the Logical Partitioning Control Register (LPCR) we have a > big switch statement to work out which are valid bits for the cpu model > we're emulating. > > As well as being ugly, this isn't really conceptually correct, since it is > based on the mmu_model variable, whereas the LPCR isn't (only) about the > MMU, so mmu_model is basically just acting as a proxy for the cpu model. > > Handle this in a simpler way, by adding a suitable lpcr_mask to the QOM > class. > > Signed-off-by: David Gibson <david@gibson.dropbear.id.au> > Reviewed-by: Cédric Le Goater <clg@kaod.org> > Reviewed-by: Greg Kurz <groug@kaod.org> > --- > target/ppc/cpu-qom.h | 1 + > target/ppc/mmu-hash64.c | 36 ++------------------------------- > target/ppc/translate_init.inc.c | 27 +++++++++++++++++++++---- > 3 files changed, 26 insertions(+), 38 deletions(-) > > diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h > index e499575dc8..15d6b54a7d 100644 > --- a/target/ppc/cpu-qom.h > +++ b/target/ppc/cpu-qom.h > @@ -177,6 +177,7 @@ typedef struct PowerPCCPUClass { > uint64_t insns_flags; > uint64_t insns_flags2; > uint64_t msr_mask; > + uint64_t lpcr_mask; /* Available bits in the LPCR */ > uint64_t lpcr_pm; /* Power-saving mode Exit Cause Enable bits */ > powerpc_mmu_t mmu_model; > powerpc_excp_t excp_model; > diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c > index caf47ad6fc..0ef330a614 100644 > --- a/target/ppc/mmu-hash64.c > +++ b/target/ppc/mmu-hash64.c > @@ -1095,42 +1095,10 @@ static void ppc_hash64_update_vrma(PowerPCCPU *cpu) > > void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val) > { > + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); > CPUPPCState *env = &cpu->env; > - uint64_t lpcr = 0; > > - /* Filter out bits */ > - switch (env->mmu_model) { > - case POWERPC_MMU_2_03: /* P5p */ > - lpcr = val & (LPCR_RMLS | LPCR_ILE | > - LPCR_LPES0 | LPCR_LPES1 | > - LPCR_RMI | LPCR_HDICE); > - break; > - case POWERPC_MMU_2_06: /* P7 */ > - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | > - LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > - LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | > - LPCR_MER | LPCR_TC | > - LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE); > - break; > - case POWERPC_MMU_2_07: /* P8 */ > - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | > - LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > - LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | > - LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | > - LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE); > - break; > - 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_HR | LPCR_LD | > - (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); > - break; > - default: > - g_assert_not_reached(); > - } > - env->spr[SPR_LPCR] = lpcr; > + env->spr[SPR_LPCR] = val & pcc->lpcr_mask; > ppc_hash64_update_rmls(cpu); > ppc_hash64_update_vrma(cpu); > } > diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c > index f7acd3d61d..68aa4dfad8 100644 > --- a/target/ppc/translate_init.inc.c > +++ b/target/ppc/translate_init.inc.c > @@ -8476,6 +8476,8 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) > (1ull << MSR_DR) | > (1ull << MSR_PMM) | > (1ull << MSR_RI); > + pcc->lpcr_mask = LPCR_RMLS | LPCR_ILE | LPCR_LPES0 | LPCR_LPES1 | > + LPCR_RMI | LPCR_HDICE; > pcc->mmu_model = POWERPC_MMU_2_03; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > @@ -8614,6 +8616,12 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) > (1ull << MSR_PMM) | > (1ull << MSR_RI) | > (1ull << MSR_LE); > + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | > + LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > + LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | > + LPCR_MER | LPCR_TC | > + LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE; > + pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; > pcc->mmu_model = POWERPC_MMU_2_06; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > @@ -8630,7 +8638,6 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; > } > > static void init_proc_POWER8(CPUPPCState *env) > @@ -8785,6 +8792,13 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) > (1ull << MSR_TS0) | > (1ull << MSR_TS1) | > (1ull << MSR_LE); > + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | > + LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > + LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | > + LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | > + LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE; > + pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | > + LPCR_P8_PECE3 | LPCR_P8_PECE4; > pcc->mmu_model = POWERPC_MMU_2_07; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > @@ -8802,8 +8816,6 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | > - LPCR_P8_PECE3 | LPCR_P8_PECE4; > } > > #ifdef CONFIG_SOFTMMU > @@ -8995,6 +9007,14 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > (1ull << MSR_PMM) | > (1ull << MSR_RI) | > (1ull << MSR_LE); > + pcc->lpcr_mask = 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_HR | LPCR_LD | > + (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; > + pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > pcc->mmu_model = POWERPC_MMU_3_00; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault; > @@ -9014,7 +9034,6 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > } > > #ifdef CONFIG_SOFTMMU > David, We forgot the POWER10 CPU. Could you squeeze the changes below in that patch ? Thanks, C. From a0d8cbc786c16b73376642f632cba99d75783da7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@kaod.org> Date: Tue, 10 Mar 2020 11:02:40 +0100 Subject: [PATCH] target/ppc: Add a LPCR mask to POWER10 CPU MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes: 2d21e1e2a35c ("target/ppc: Use class fields to simplify LPCR masking") Signed-off-by: Cédric Le Goater <clg@kaod.org> --- target/ppc/translate_init.inc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c index 68aa4dfad875..0ae145e18d80 100644 --- a/target/ppc/translate_init.inc.c +++ b/target/ppc/translate_init.inc.c @@ -9224,6 +9224,14 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) (1ull << MSR_PMM) | (1ull << MSR_RI) | (1ull << MSR_LE); + pcc->lpcr_mask = 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_HR | LPCR_LD | + (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; + pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; pcc->mmu_model = POWERPC_MMU_3_00; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault; @@ -9242,7 +9250,6 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) pcc->l1_dcache_size = 0x8000; pcc->l1_icache_size = 0x8000; pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; - pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; } #if !defined(CONFIG_USER_ONLY)
On Tue, Mar 10, 2020 at 11:06:08AM +0100, Cédric Le Goater wrote: > On 3/3/20 4:43 AM, David Gibson wrote: > > When we store the Logical Partitioning Control Register (LPCR) we have a > > big switch statement to work out which are valid bits for the cpu model > > we're emulating. > > > > As well as being ugly, this isn't really conceptually correct, since it is > > based on the mmu_model variable, whereas the LPCR isn't (only) about the > > MMU, so mmu_model is basically just acting as a proxy for the cpu model. > > > > Handle this in a simpler way, by adding a suitable lpcr_mask to the QOM > > class. > > > > Signed-off-by: David Gibson <david@gibson.dropbear.id.au> > > Reviewed-by: Cédric Le Goater <clg@kaod.org> > > Reviewed-by: Greg Kurz <groug@kaod.org> > > --- > > target/ppc/cpu-qom.h | 1 + > > target/ppc/mmu-hash64.c | 36 ++------------------------------- > > target/ppc/translate_init.inc.c | 27 +++++++++++++++++++++---- > > 3 files changed, 26 insertions(+), 38 deletions(-) > > > > diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h > > index e499575dc8..15d6b54a7d 100644 > > --- a/target/ppc/cpu-qom.h > > +++ b/target/ppc/cpu-qom.h > > @@ -177,6 +177,7 @@ typedef struct PowerPCCPUClass { > > uint64_t insns_flags; > > uint64_t insns_flags2; > > uint64_t msr_mask; > > + uint64_t lpcr_mask; /* Available bits in the LPCR */ > > uint64_t lpcr_pm; /* Power-saving mode Exit Cause Enable bits */ > > powerpc_mmu_t mmu_model; > > powerpc_excp_t excp_model; > > diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c > > index caf47ad6fc..0ef330a614 100644 > > --- a/target/ppc/mmu-hash64.c > > +++ b/target/ppc/mmu-hash64.c > > @@ -1095,42 +1095,10 @@ static void ppc_hash64_update_vrma(PowerPCCPU *cpu) > > > > void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val) > > { > > + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); > > CPUPPCState *env = &cpu->env; > > - uint64_t lpcr = 0; > > > > - /* Filter out bits */ > > - switch (env->mmu_model) { > > - case POWERPC_MMU_2_03: /* P5p */ > > - lpcr = val & (LPCR_RMLS | LPCR_ILE | > > - LPCR_LPES0 | LPCR_LPES1 | > > - LPCR_RMI | LPCR_HDICE); > > - break; > > - case POWERPC_MMU_2_06: /* P7 */ > > - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | > > - LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > > - LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | > > - LPCR_MER | LPCR_TC | > > - LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE); > > - break; > > - case POWERPC_MMU_2_07: /* P8 */ > > - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | > > - LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > > - LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | > > - LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | > > - LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE); > > - break; > > - 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_HR | LPCR_LD | > > - (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); > > - break; > > - default: > > - g_assert_not_reached(); > > - } > > - env->spr[SPR_LPCR] = lpcr; > > + env->spr[SPR_LPCR] = val & pcc->lpcr_mask; > > ppc_hash64_update_rmls(cpu); > > ppc_hash64_update_vrma(cpu); > > } > > diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c > > index f7acd3d61d..68aa4dfad8 100644 > > --- a/target/ppc/translate_init.inc.c > > +++ b/target/ppc/translate_init.inc.c > > @@ -8476,6 +8476,8 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) > > (1ull << MSR_DR) | > > (1ull << MSR_PMM) | > > (1ull << MSR_RI); > > + pcc->lpcr_mask = LPCR_RMLS | LPCR_ILE | LPCR_LPES0 | LPCR_LPES1 | > > + LPCR_RMI | LPCR_HDICE; > > pcc->mmu_model = POWERPC_MMU_2_03; > > #if defined(CONFIG_SOFTMMU) > > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > > @@ -8614,6 +8616,12 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) > > (1ull << MSR_PMM) | > > (1ull << MSR_RI) | > > (1ull << MSR_LE); > > + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | > > + LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > > + LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | > > + LPCR_MER | LPCR_TC | > > + LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE; > > + pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; > > pcc->mmu_model = POWERPC_MMU_2_06; > > #if defined(CONFIG_SOFTMMU) > > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > > @@ -8630,7 +8638,6 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) > > pcc->l1_dcache_size = 0x8000; > > pcc->l1_icache_size = 0x8000; > > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > > - pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; > > } > > > > static void init_proc_POWER8(CPUPPCState *env) > > @@ -8785,6 +8792,13 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) > > (1ull << MSR_TS0) | > > (1ull << MSR_TS1) | > > (1ull << MSR_LE); > > + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | > > + LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | > > + LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | > > + LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | > > + LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE; > > + pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | > > + LPCR_P8_PECE3 | LPCR_P8_PECE4; > > pcc->mmu_model = POWERPC_MMU_2_07; > > #if defined(CONFIG_SOFTMMU) > > pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; > > @@ -8802,8 +8816,6 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) > > pcc->l1_dcache_size = 0x8000; > > pcc->l1_icache_size = 0x8000; > > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > > - pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | > > - LPCR_P8_PECE3 | LPCR_P8_PECE4; > > } > > > > #ifdef CONFIG_SOFTMMU > > @@ -8995,6 +9007,14 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > > (1ull << MSR_PMM) | > > (1ull << MSR_RI) | > > (1ull << MSR_LE); > > + pcc->lpcr_mask = 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_HR | LPCR_LD | > > + (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; > > + pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > > pcc->mmu_model = POWERPC_MMU_3_00; > > #if defined(CONFIG_SOFTMMU) > > pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault; > > @@ -9014,7 +9034,6 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > > pcc->l1_dcache_size = 0x8000; > > pcc->l1_icache_size = 0x8000; > > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > > - pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > > } > > > > #ifdef CONFIG_SOFTMMU > > > > David, > > We forgot the POWER10 CPU. Could you squeeze the changes below in that > patch ? Oops, I thought I'd covered that, but apparently not. I've squashed this into the original patch. > > Thanks, > > C. > > >From a0d8cbc786c16b73376642f632cba99d75783da7 Mon Sep 17 00:00:00 2001 > From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@kaod.org> > Date: Tue, 10 Mar 2020 11:02:40 +0100 > Subject: [PATCH] target/ppc: Add a LPCR mask to POWER10 CPU > MIME-Version: 1.0 > Content-Type: text/plain; charset=UTF-8 > Content-Transfer-Encoding: 8bit > > Fixes: 2d21e1e2a35c ("target/ppc: Use class fields to simplify LPCR masking") > Signed-off-by: Cédric Le Goater <clg@kaod.org> > --- > target/ppc/translate_init.inc.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c > index 68aa4dfad875..0ae145e18d80 100644 > --- a/target/ppc/translate_init.inc.c > +++ b/target/ppc/translate_init.inc.c > @@ -9224,6 +9224,14 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) > (1ull << MSR_PMM) | > (1ull << MSR_RI) | > (1ull << MSR_LE); > + pcc->lpcr_mask = 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_HR | LPCR_LD | > + (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; > + pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > pcc->mmu_model = POWERPC_MMU_3_00; > #if defined(CONFIG_SOFTMMU) > pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault; > @@ -9242,7 +9250,6 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) > pcc->l1_dcache_size = 0x8000; > pcc->l1_icache_size = 0x8000; > pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; > - pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; > } > > #if !defined(CONFIG_USER_ONLY)
diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h index e499575dc8..15d6b54a7d 100644 --- a/target/ppc/cpu-qom.h +++ b/target/ppc/cpu-qom.h @@ -177,6 +177,7 @@ typedef struct PowerPCCPUClass { uint64_t insns_flags; uint64_t insns_flags2; uint64_t msr_mask; + uint64_t lpcr_mask; /* Available bits in the LPCR */ uint64_t lpcr_pm; /* Power-saving mode Exit Cause Enable bits */ powerpc_mmu_t mmu_model; powerpc_excp_t excp_model; diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c index caf47ad6fc..0ef330a614 100644 --- a/target/ppc/mmu-hash64.c +++ b/target/ppc/mmu-hash64.c @@ -1095,42 +1095,10 @@ static void ppc_hash64_update_vrma(PowerPCCPU *cpu) void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val) { + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); CPUPPCState *env = &cpu->env; - uint64_t lpcr = 0; - /* Filter out bits */ - switch (env->mmu_model) { - case POWERPC_MMU_2_03: /* P5p */ - lpcr = val & (LPCR_RMLS | LPCR_ILE | - LPCR_LPES0 | LPCR_LPES1 | - LPCR_RMI | LPCR_HDICE); - break; - case POWERPC_MMU_2_06: /* P7 */ - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | - LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | - LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | - LPCR_MER | LPCR_TC | - LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE); - break; - case POWERPC_MMU_2_07: /* P8 */ - lpcr = val & (LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | - LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | - LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | - LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | - LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE); - break; - 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_HR | LPCR_LD | - (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); - break; - default: - g_assert_not_reached(); - } - env->spr[SPR_LPCR] = lpcr; + env->spr[SPR_LPCR] = val & pcc->lpcr_mask; ppc_hash64_update_rmls(cpu); ppc_hash64_update_vrma(cpu); } diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c index f7acd3d61d..68aa4dfad8 100644 --- a/target/ppc/translate_init.inc.c +++ b/target/ppc/translate_init.inc.c @@ -8476,6 +8476,8 @@ POWERPC_FAMILY(POWER5P)(ObjectClass *oc, void *data) (1ull << MSR_DR) | (1ull << MSR_PMM) | (1ull << MSR_RI); + pcc->lpcr_mask = LPCR_RMLS | LPCR_ILE | LPCR_LPES0 | LPCR_LPES1 | + LPCR_RMI | LPCR_HDICE; pcc->mmu_model = POWERPC_MMU_2_03; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; @@ -8614,6 +8616,12 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) (1ull << MSR_PMM) | (1ull << MSR_RI) | (1ull << MSR_LE); + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_DPFD | + LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | + LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2 | + LPCR_MER | LPCR_TC | + LPCR_LPES0 | LPCR_LPES1 | LPCR_HDICE; + pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; pcc->mmu_model = POWERPC_MMU_2_06; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; @@ -8630,7 +8638,6 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) pcc->l1_dcache_size = 0x8000; pcc->l1_icache_size = 0x8000; pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; - pcc->lpcr_pm = LPCR_P7_PECE0 | LPCR_P7_PECE1 | LPCR_P7_PECE2; } static void init_proc_POWER8(CPUPPCState *env) @@ -8785,6 +8792,13 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) (1ull << MSR_TS0) | (1ull << MSR_TS1) | (1ull << MSR_LE); + pcc->lpcr_mask = LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | + LPCR_DPFD | LPCR_VRMASD | LPCR_RMLS | LPCR_ILE | + LPCR_AIL | LPCR_ONL | LPCR_P8_PECE0 | LPCR_P8_PECE1 | + LPCR_P8_PECE2 | LPCR_P8_PECE3 | LPCR_P8_PECE4 | + LPCR_MER | LPCR_TC | LPCR_LPES0 | LPCR_HDICE; + pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | + LPCR_P8_PECE3 | LPCR_P8_PECE4; pcc->mmu_model = POWERPC_MMU_2_07; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc_hash64_handle_mmu_fault; @@ -8802,8 +8816,6 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) pcc->l1_dcache_size = 0x8000; pcc->l1_icache_size = 0x8000; pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; - pcc->lpcr_pm = LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 | - LPCR_P8_PECE3 | LPCR_P8_PECE4; } #ifdef CONFIG_SOFTMMU @@ -8995,6 +9007,14 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) (1ull << MSR_PMM) | (1ull << MSR_RI) | (1ull << MSR_LE); + pcc->lpcr_mask = 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_HR | LPCR_LD | + (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; + pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; pcc->mmu_model = POWERPC_MMU_3_00; #if defined(CONFIG_SOFTMMU) pcc->handle_mmu_fault = ppc64_v3_handle_mmu_fault; @@ -9014,7 +9034,6 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) pcc->l1_dcache_size = 0x8000; pcc->l1_icache_size = 0x8000; pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_lpcr; - pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE; } #ifdef CONFIG_SOFTMMU