Hello Aditya
On 4/26/24 13:00, Aditya Gupta wrote:
Add base support for "--cpu power11" in QEMU.
Power11 core is same as Power10, hence reuse functions defined for
Power10.
Power11 uses the same ISA it seems. What's the value then ?
Cc: Cédric Le Goater <c...@kaod.org>
Cc: Daniel Henrique Barboza <danielhb...@gmail.com>
Cc: David Gibson <da...@gibson.dropbear.id.au>
Cc: Harsh Prateek Bora <hars...@linux.ibm.com>
Cc: Mahesh J Salgaonkar <mah...@linux.ibm.com>
Cc: Madhavan Srinivasan <ma...@linux.ibm.com>
Cc: Nicholas Piggin <npig...@gmail.com>
Signed-off-by: Aditya Gupta <adit...@linux.ibm.com>
---
docs/system/ppc/pseries.rst | 6 +--
hw/ppc/spapr_cpu_core.c | 1 +
I would separate the CPU target code adding support for a new POWER
Processor from the machine code (pseries).
target/ppc/compat.c | 7 +++
target/ppc/cpu-models.c | 2 +
target/ppc/cpu-models.h | 2 +
target/ppc/cpu_init.c | 99 +++++++++++++++++++++++++++++++++++++
6 files changed, 114 insertions(+), 3 deletions(-)
diff --git a/docs/system/ppc/pseries.rst b/docs/system/ppc/pseries.rst
index a876d897b6e4..3277564b34c2 100644
--- a/docs/system/ppc/pseries.rst
+++ b/docs/system/ppc/pseries.rst
@@ -15,9 +15,9 @@ Supported devices
=================
* Multi processor support for many Power processors generations: POWER7,
- POWER7+, POWER8, POWER8NVL, POWER9, and Power10. Support for POWER5+ exists,
- but its state is unknown.
- * Interrupt Controller, XICS (POWER8) and XIVE (POWER9 and Power10)
+ POWER7+, POWER8, POWER8NVL, POWER9, Power10 and Power11. Support for POWER5+
+ exists, but its state is unknown.
The POWER5+ pseries machine seems functionnal with SLOF
(Sep 18 2023 18:57:48) and Linux 6.6.3 under TCG. May be worth
to mention (for AIX users) in another patch.
+ * Interrupt Controller, XICS (POWER8) and XIVE (POWER9, Power10, Power11)
* vPHB PCIe Host bridge.
* vscsi and vnet devices, compatible with the same devices available on a
PowerVM hypervisor with VIOS managing LPARs.
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index e7c9edd033c8..c6e85c031178 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -401,6 +401,7 @@ static const TypeInfo spapr_cpu_core_type_infos[] = {
DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.0"),
DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.2"),
DEFINE_SPAPR_CPU_CORE_TYPE("power10_v2.0"),
+ DEFINE_SPAPR_CPU_CORE_TYPE("power11"),
#ifdef CONFIG_KVM
DEFINE_SPAPR_CPU_CORE_TYPE("host"),
#endif
diff --git a/target/ppc/compat.c b/target/ppc/compat.c
index ebef2cccecf3..12dd8ae290ca 100644
--- a/target/ppc/compat.c
+++ b/target/ppc/compat.c
@@ -100,6 +100,13 @@ static const CompatInfo compat_table[] = {
.pcr_level = PCR_COMPAT_3_10,
.max_vthreads = 8,
},
+ { /* POWER11, ISA3.10 */
+ .name = "power11",
+ .pvr = CPU_POWERPC_LOGICAL_3_10_PLUS,
+ .pcr = PCR_COMPAT_3_10,
+ .pcr_level = PCR_COMPAT_3_10,
+ .max_vthreads = 8,
+ },
};
static const CompatInfo *compat_by_pvr(uint32_t pvr)
diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
index f2301b43f78b..1870e69b63df 100644
--- a/target/ppc/cpu-models.c
+++ b/target/ppc/cpu-models.c
@@ -734,6 +734,8 @@
"POWER9 v2.2")
POWERPC_DEF("power10_v2.0", CPU_POWERPC_POWER10_DD20, POWER10,
"POWER10 v2.0")
+ POWERPC_DEF("power11", CPU_POWERPC_POWER11, POWER11,
+ "POWER11")
#endif /* defined (TARGET_PPC64) */
/***************************************************************************/
diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
index 0229ef3a9a5c..a1b540c3aa9e 100644
--- a/target/ppc/cpu-models.h
+++ b/target/ppc/cpu-models.h
@@ -354,6 +354,7 @@ enum {
CPU_POWERPC_POWER10_BASE = 0x00800000,
CPU_POWERPC_POWER10_DD1 = 0x00801100,
CPU_POWERPC_POWER10_DD20 = 0x00801200,
+ CPU_POWERPC_POWER11 = 0x00821200,
is that a DD2.2 PVR ? If so, It should be mentionned in the definition.
Thanks,
C.
CPU_POWERPC_970_v22 = 0x00390202,
CPU_POWERPC_970FX_v10 = 0x00391100,
CPU_POWERPC_970FX_v20 = 0x003C0200,
@@ -391,6 +392,7 @@ enum {
CPU_POWERPC_LOGICAL_2_07 = 0x0F000004,
CPU_POWERPC_LOGICAL_3_00 = 0x0F000005,
CPU_POWERPC_LOGICAL_3_10 = 0x0F000006,
+ CPU_POWERPC_LOGICAL_3_10_PLUS = 0x0F000007,
};
/* System version register (used on MPC 8xxx) */
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 6d82f24c8756..17c159c8187b 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -6655,6 +6655,105 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
pcc->l1_icache_size = 0x8000;
}
+static bool ppc_pvr_match_power11(PowerPCCPUClass *pcc, uint32_t pvr, bool best)
+{
+ uint32_t base = pvr & CPU_POWERPC_POWER_SERVER_MASK;
+ uint32_t pcc_base = pcc->pvr & CPU_POWERPC_POWER_SERVER_MASK;
+
+ if (!best && (base == CPU_POWERPC_POWER11))
+ return true;
+
+ if (base != pcc_base)
+ return false;
+
+ if ((pvr & 0x0f00) == (pcc->pvr & 0x0f00))
+ return true;
+
+ return false;
+}
+
+POWERPC_FAMILY(POWER11)(ObjectClass * oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+ PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
+
+ dc->fw_name = "PowerPC,POWER11";
+ dc->desc = "POWER11";
+ pcc->pvr_match = ppc_pvr_match_power11;
+ pcc->pcr_mask = PCR_COMPAT_2_05 | PCR_COMPAT_2_06 | PCR_COMPAT_2_07 |
+ PCR_COMPAT_3_00 | PCR_COMPAT_3_10;
+ pcc->pcr_supported = PCR_COMPAT_3_10 | PCR_COMPAT_3_00 | PCR_COMPAT_2_07 |
+ PCR_COMPAT_2_06 | PCR_COMPAT_2_05;
+ pcc->init_proc = init_proc_POWER10;
+ pcc->check_pow = check_pow_nocheck;
+ pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
+ PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
+ PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
+ PPC_FLOAT_FRSQRTES |
+ PPC_FLOAT_STFIWX |
+ PPC_FLOAT_EXT |
+ PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
+ PPC_MEM_SYNC | PPC_MEM_EIEIO |
+ PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
+ PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC |
+ PPC_SEGMENT_64B | PPC_SLBI |
+ PPC_POPCNTB | PPC_POPCNTWD |
+ PPC_CILDST;
+ pcc->insns_flags2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX |
+ PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 |
+ PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
+ PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
+ PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
+ PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 |
+ PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310 |
+ PPC2_MEM_LWSYNC | PPC2_BCDA_ISA206;
+ pcc->msr_mask = (1ull << MSR_SF) |
+ (1ull << MSR_HV) |
+ (1ull << MSR_TM) |
+ (1ull << MSR_VR) |
+ (1ull << MSR_VSX) |
+ (1ull << MSR_EE) |
+ (1ull << MSR_PR) |
+ (1ull << MSR_FP) |
+ (1ull << MSR_ME) |
+ (1ull << MSR_FE0) |
+ (1ull << MSR_SE) |
+ (1ull << MSR_DE) |
+ (1ull << MSR_FE1) |
+ (1ull << MSR_IR) |
+ (1ull << MSR_DR) |
+ (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;
+ /* DD2 adds an extra HAIL bit */
+ pcc->lpcr_mask |= LPCR_HAIL;
+
+ pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE;
+ pcc->mmu_model = POWERPC_MMU_3_00;
+#if !defined(CONFIG_USER_ONLY)
+ /* segment page size remain the same */
+ pcc->hash64_opts = &ppc_hash64_opts_POWER7;
+ pcc->radix_page_info = &POWER10_radix_page_info;
+ pcc->lrg_decr_bits = 56;
+#endif
+ pcc->excp_model = POWERPC_EXCP_POWER10;
+ pcc->bus_model = PPC_FLAGS_INPUT_POWER9;
+ pcc->bfd_mach = bfd_mach_ppc64;
+ pcc->flags = POWERPC_FLAG_VRE | POWERPC_FLAG_SE |
+ POWERPC_FLAG_BE | POWERPC_FLAG_PMM |
+ POWERPC_FLAG_BUS_CLK | POWERPC_FLAG_CFAR |
+ POWERPC_FLAG_VSX | POWERPC_FLAG_TM | POWERPC_FLAG_SCV;
+ pcc->l1_dcache_size = 0x8000;
+ pcc->l1_icache_size = 0x8000;
+}
+
#if !defined(CONFIG_USER_ONLY)
void cpu_ppc_set_vhyp(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
{
