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-rw-r--r--target/ppc/cpu-qom.h1
-rw-r--r--target/ppc/cpu.h105
-rw-r--r--target/ppc/translate.c23
-rw-r--r--target/ppc/translate_init.c26
4 files changed, 79 insertions, 76 deletions
diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h
index 429b47f959..deaa46a14b 100644
--- a/target/ppc/cpu-qom.h
+++ b/target/ppc/cpu-qom.h
@@ -191,6 +191,7 @@ typedef struct PowerPCCPUClass {
uint64_t insns_flags;
uint64_t insns_flags2;
uint64_t msr_mask;
+ uint64_t lpcr_pm; /* Power-saving mode Exit Cause Enable bits */
powerpc_mmu_t mmu_model;
powerpc_excp_t excp_model;
powerpc_input_t bus_model;
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 989761b795..370b05e76e 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -87,6 +87,13 @@
#define PPC_ELF_MACHINE EM_PPC
#endif
+#define PPC_BIT(bit) (0x8000000000000000UL >> (bit))
+#define PPC_BIT32(bit) (0x80000000UL >> (bit))
+#define PPC_BIT8(bit) (0x80UL >> (bit))
+#define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
+#define PPC_BITMASK32(bs, be) ((PPC_BIT32(bs) - PPC_BIT32(be)) | \
+ PPC_BIT32(bs))
+
/*****************************************************************************/
/* Exception vectors definitions */
enum {
@@ -371,10 +378,10 @@ struct ppc_slb_t {
#define MSR_LE 0 /* Little-endian mode 1 hflags */
/* LPCR bits */
-#define LPCR_VPM0 (1ull << (63 - 0))
-#define LPCR_VPM1 (1ull << (63 - 1))
-#define LPCR_ISL (1ull << (63 - 2))
-#define LPCR_KBV (1ull << (63 - 3))
+#define LPCR_VPM0 PPC_BIT(0)
+#define LPCR_VPM1 PPC_BIT(1)
+#define LPCR_ISL PPC_BIT(2)
+#define LPCR_KBV PPC_BIT(3)
#define LPCR_DPFD_SHIFT (63 - 11)
#define LPCR_DPFD (0x7ull << LPCR_DPFD_SHIFT)
#define LPCR_VRMASD_SHIFT (63 - 16)
@@ -382,41 +389,41 @@ struct ppc_slb_t {
/* P9: Power-saving mode Exit Cause Enable (Upper Section) Mask */
#define LPCR_PECE_U_SHIFT (63 - 19)
#define LPCR_PECE_U_MASK (0x7ull << LPCR_PECE_U_SHIFT)
-#define LPCR_HVEE (1ull << (63 - 17)) /* Hypervisor Virt Exit Enable */
+#define LPCR_HVEE PPC_BIT(17) /* Hypervisor Virt Exit Enable */
#define LPCR_RMLS_SHIFT (63 - 37)
#define LPCR_RMLS (0xfull << LPCR_RMLS_SHIFT)
-#define LPCR_ILE (1ull << (63 - 38))
+#define LPCR_ILE PPC_BIT(38)
#define LPCR_AIL_SHIFT (63 - 40) /* Alternate interrupt location */
#define LPCR_AIL (3ull << LPCR_AIL_SHIFT)
-#define LPCR_UPRT (1ull << (63 - 41)) /* Use Process Table */
-#define LPCR_EVIRT (1ull << (63 - 42)) /* Enhanced Virtualisation */
-#define LPCR_ONL (1ull << (63 - 45))
-#define LPCR_LD (1ull << (63 - 46)) /* Large Decrementer */
-#define LPCR_P7_PECE0 (1ull << (63 - 49))
-#define LPCR_P7_PECE1 (1ull << (63 - 50))
-#define LPCR_P7_PECE2 (1ull << (63 - 51))
-#define LPCR_P8_PECE0 (1ull << (63 - 47))
-#define LPCR_P8_PECE1 (1ull << (63 - 48))
-#define LPCR_P8_PECE2 (1ull << (63 - 49))
-#define LPCR_P8_PECE3 (1ull << (63 - 50))
-#define LPCR_P8_PECE4 (1ull << (63 - 51))
+#define LPCR_UPRT PPC_BIT(41) /* Use Process Table */
+#define LPCR_EVIRT PPC_BIT(42) /* Enhanced Virtualisation */
+#define LPCR_ONL PPC_BIT(45)
+#define LPCR_LD PPC_BIT(46) /* Large Decrementer */
+#define LPCR_P7_PECE0 PPC_BIT(49)
+#define LPCR_P7_PECE1 PPC_BIT(50)
+#define LPCR_P7_PECE2 PPC_BIT(51)
+#define LPCR_P8_PECE0 PPC_BIT(47)
+#define LPCR_P8_PECE1 PPC_BIT(48)
+#define LPCR_P8_PECE2 PPC_BIT(49)
+#define LPCR_P8_PECE3 PPC_BIT(50)
+#define LPCR_P8_PECE4 PPC_BIT(51)
/* P9: Power-saving mode Exit Cause Enable (Lower Section) Mask */
#define LPCR_PECE_L_SHIFT (63 - 51)
#define LPCR_PECE_L_MASK (0x1full << LPCR_PECE_L_SHIFT)
-#define LPCR_PDEE (1ull << (63 - 47)) /* Privileged Doorbell Exit EN */
-#define LPCR_HDEE (1ull << (63 - 48)) /* Hyperv Doorbell Exit Enable */
-#define LPCR_EEE (1ull << (63 - 49)) /* External Exit Enable */
-#define LPCR_DEE (1ull << (63 - 50)) /* Decrementer Exit Enable */
-#define LPCR_OEE (1ull << (63 - 51)) /* Other Exit Enable */
-#define LPCR_MER (1ull << (63 - 52))
-#define LPCR_GTSE (1ull << (63 - 53)) /* Guest Translation Shootdown */
-#define LPCR_TC (1ull << (63 - 54))
-#define LPCR_HEIC (1ull << (63 - 59)) /* HV Extern Interrupt Control */
-#define LPCR_LPES0 (1ull << (63 - 60))
-#define LPCR_LPES1 (1ull << (63 - 61))
-#define LPCR_RMI (1ull << (63 - 62))
-#define LPCR_HVICE (1ull << (63 - 62)) /* HV Virtualisation Int Enable */
-#define LPCR_HDICE (1ull << (63 - 63))
+#define LPCR_PDEE PPC_BIT(47) /* Privileged Doorbell Exit EN */
+#define LPCR_HDEE PPC_BIT(48) /* Hyperv Doorbell Exit Enable */
+#define LPCR_EEE PPC_BIT(49) /* External Exit Enable */
+#define LPCR_DEE PPC_BIT(50) /* Decrementer Exit Enable */
+#define LPCR_OEE PPC_BIT(51) /* Other Exit Enable */
+#define LPCR_MER PPC_BIT(52)
+#define LPCR_GTSE PPC_BIT(53) /* Guest Translation Shootdown */
+#define LPCR_TC PPC_BIT(54)
+#define LPCR_HEIC PPC_BIT(59) /* HV Extern Interrupt Control */
+#define LPCR_LPES0 PPC_BIT(60)
+#define LPCR_LPES1 PPC_BIT(61)
+#define LPCR_RMI PPC_BIT(62)
+#define LPCR_HVICE PPC_BIT(62) /* HV Virtualisation Int Enable */
+#define LPCR_HDICE PPC_BIT(63)
#define msr_sf ((env->msr >> MSR_SF) & 1)
#define msr_isf ((env->msr >> MSR_ISF) & 1)
@@ -507,22 +514,22 @@ struct ppc_slb_t {
#define FSCR_IC_TAR 8
/* Exception state register bits definition */
-#define ESR_PIL (1 << (63 - 36)) /* Illegal Instruction */
-#define ESR_PPR (1 << (63 - 37)) /* Privileged Instruction */
-#define ESR_PTR (1 << (63 - 38)) /* Trap */
-#define ESR_FP (1 << (63 - 39)) /* Floating-Point Operation */
-#define ESR_ST (1 << (63 - 40)) /* Store Operation */
-#define ESR_AP (1 << (63 - 44)) /* Auxiliary Processor Operation */
-#define ESR_PUO (1 << (63 - 45)) /* Unimplemented Operation */
-#define ESR_BO (1 << (63 - 46)) /* Byte Ordering */
-#define ESR_PIE (1 << (63 - 47)) /* Imprecise exception */
-#define ESR_DATA (1 << (63 - 53)) /* Data Access (Embedded page table) */
-#define ESR_TLBI (1 << (63 - 54)) /* TLB Ineligible (Embedded page table) */
-#define ESR_PT (1 << (63 - 55)) /* Page Table (Embedded page table) */
-#define ESR_SPV (1 << (63 - 56)) /* SPE/VMX operation */
-#define ESR_EPID (1 << (63 - 57)) /* External Process ID operation */
-#define ESR_VLEMI (1 << (63 - 58)) /* VLE operation */
-#define ESR_MIF (1 << (63 - 62)) /* Misaligned instruction (VLE) */
+#define ESR_PIL PPC_BIT(36) /* Illegal Instruction */
+#define ESR_PPR PPC_BIT(37) /* Privileged Instruction */
+#define ESR_PTR PPC_BIT(38) /* Trap */
+#define ESR_FP PPC_BIT(39) /* Floating-Point Operation */
+#define ESR_ST PPC_BIT(40) /* Store Operation */
+#define ESR_AP PPC_BIT(44) /* Auxiliary Processor Operation */
+#define ESR_PUO PPC_BIT(45) /* Unimplemented Operation */
+#define ESR_BO PPC_BIT(46) /* Byte Ordering */
+#define ESR_PIE PPC_BIT(47) /* Imprecise exception */
+#define ESR_DATA PPC_BIT(53) /* Data Access (Embedded page table) */
+#define ESR_TLBI PPC_BIT(54) /* TLB Ineligible (Embedded page table) */
+#define ESR_PT PPC_BIT(55) /* Page Table (Embedded page table) */
+#define ESR_SPV PPC_BIT(56) /* SPE/VMX operation */
+#define ESR_EPID PPC_BIT(57) /* External Process ID operation */
+#define ESR_VLEMI PPC_BIT(58) /* VLE operation */
+#define ESR_MIF PPC_BIT(62) /* Misaligned instruction (VLE) */
/* Transaction EXception And Summary Register bits */
#define TEXASR_FAILURE_PERSISTENT (63 - 7)
@@ -1991,7 +1998,7 @@ void ppc_compat_add_property(Object *obj, const char *name,
#define HID0_DEEPNAP (1 << 24) /* pre-2.06 */
#define HID0_DOZE (1 << 23) /* pre-2.06 */
#define HID0_NAP (1 << 22) /* pre-2.06 */
-#define HID0_HILE (1ull << (63 - 19)) /* POWER8 */
+#define HID0_HILE PPC_BIT(19) /* POWER8 */
/*****************************************************************************/
/* PowerPC Instructions types definitions */
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 998fbed848..4075fc8589 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -3419,7 +3419,7 @@ static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
}
/*** Branch ***/
-static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
+static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
if (NARROW_MODE(ctx)) {
dest = (uint32_t) dest;
@@ -3441,7 +3441,7 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
gen_debug_exception(ctx);
}
}
- tcg_gen_exit_tb(0);
+ tcg_gen_lookup_and_goto_ptr();
}
}
@@ -3479,7 +3479,7 @@ static void gen_b(DisasContext *ctx)
#define BCOND_CTR 2
#define BCOND_TAR 3
-static inline void gen_bcond(DisasContext *ctx, int type)
+static void gen_bcond(DisasContext *ctx, int type)
{
uint32_t bo = BO(ctx->opcode);
TCGLabel *l1;
@@ -3543,26 +3543,19 @@ static inline void gen_bcond(DisasContext *ctx, int type)
} else {
gen_goto_tb(ctx, 0, li);
}
- if ((bo & 0x14) != 0x14) {
- gen_set_label(l1);
- gen_goto_tb(ctx, 1, ctx->nip);
- }
} else {
if (NARROW_MODE(ctx)) {
tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
} else {
tcg_gen_andi_tl(cpu_nip, target, ~3);
}
- tcg_gen_exit_tb(0);
- if ((bo & 0x14) != 0x14) {
- gen_set_label(l1);
- gen_update_nip(ctx, ctx->nip);
- tcg_gen_exit_tb(0);
- }
- }
- if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
+ tcg_gen_lookup_and_goto_ptr();
tcg_temp_free(target);
}
+ if ((bo & 0x14) != 0x14) {
+ gen_set_label(l1);
+ gen_goto_tb(ctx, 1, ctx->nip);
+ }
}
static void gen_bc(DisasContext *ctx)
diff --git a/target/ppc/translate_init.c b/target/ppc/translate_init.c
index 4e11e6f489..70ff15a51a 100644
--- a/target/ppc/translate_init.c
+++ b/target/ppc/translate_init.c
@@ -8535,6 +8535,7 @@ 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)
@@ -8704,6 +8705,8 @@ 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
@@ -8898,14 +8901,17 @@ 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;
}
#if !defined(CONFIG_USER_ONLY)
void cpu_ppc_set_papr(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
{
+ PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
CPUPPCState *env = &cpu->env;
ppc_spr_t *lpcr = &env->spr_cb[SPR_LPCR];
ppc_spr_t *amor = &env->spr_cb[SPR_AMOR];
+ CPUState *cs = CPU(cpu);
cpu->vhyp = vhyp;
@@ -8932,8 +8938,7 @@ void cpu_ppc_set_papr(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
lpcr->default_value &= ~LPCR_RMLS;
lpcr->default_value |= 1ull << LPCR_RMLS_SHIFT;
- switch (env->mmu_model) {
- case POWERPC_MMU_3_00:
+ if (env->mmu_model == POWERPC_MMU_3_00) {
/* By default we choose legacy mode and switch to new hash or radix
* when a register process table hcall is made. So disable process
* tables and guest translation shootdown by default
@@ -8947,16 +8952,13 @@ void cpu_ppc_set_papr(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
} else {
lpcr->default_value &= ~(LPCR_UPRT | LPCR_GTSE);
}
- lpcr->default_value |= LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE |
- LPCR_OEE;
- break;
- default:
- /* P7 and P8 has slightly different PECE bits, mostly because P8 adds
- * bit 47 and 48 which are reserved on P7. Here we set them all, which
- * will work as expected for both implementations
- */
- lpcr->default_value |= LPCR_P8_PECE0 | LPCR_P8_PECE1 | LPCR_P8_PECE2 |
- LPCR_P8_PECE3 | LPCR_P8_PECE4;
+ }
+
+ /* Only enable Power-saving mode Exit Cause exceptions on the boot
+ * CPU. The RTAS command start-cpu will enable them on secondaries.
+ */
+ if (cs == first_cpu) {
+ lpcr->default_value |= pcc->lpcr_pm;
}
/* We should be followed by a CPU reset but update the active value
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-09 16:00:25 +0000