On Thu Jun 6, 2024 at 10:16 PM AEST, Aditya Gupta wrote:
> Add CPU target code to add support for new Power11 Processor.
>
> Power11 core is same as Power10, hence reuse functions defined for
> Power10.
>
> Cc: Cédric Le Goater <c...@kaod.org>
> Cc: Daniel Henrique Barboza <danielhb...@gmail.com>
> Cc: Frédéric Barrat <fbar...@linux.ibm.com>
> 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>
> ---
> target/ppc/compat.c | 7 ++++++
> target/ppc/cpu-models.c | 3 +++
> target/ppc/cpu-models.h | 3 +++
> target/ppc/cpu_init.c | 54 +++++++++++++++++++++++++++++++++++++++++
> 4 files changed, 67 insertions(+)
>
> 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..ece348178188 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_v2.0", CPU_POWERPC_POWER11_DD20, POWER11,
> + "POWER11_v2.0")
> #endif /* defined (TARGET_PPC64) */
>
> /***************************************************************************/
> @@ -909,6 +911,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
> { "power8nvl", "power8nvl_v1.0" },
> { "power9", "power9_v2.2" },
> { "power10", "power10_v2.0" },
> + { "power11", "power11_v2.0" },
> #endif
>
> /* Generic PowerPCs */
> diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
> index 0229ef3a9a5c..ef74e387b047 100644
> --- a/target/ppc/cpu-models.h
> +++ b/target/ppc/cpu-models.h
> @@ -354,6 +354,8 @@ enum {
> CPU_POWERPC_POWER10_BASE = 0x00800000,
> CPU_POWERPC_POWER10_DD1 = 0x00801100,
> CPU_POWERPC_POWER10_DD20 = 0x00801200,
> + CPU_POWERPC_POWER11_BASE = 0x00820000,
> + CPU_POWERPC_POWER11_DD20 = 0x00821200,
> CPU_POWERPC_970_v22 = 0x00390202,
> CPU_POWERPC_970FX_v10 = 0x00391100,
> CPU_POWERPC_970FX_v20 = 0x003C0200,
> @@ -391,6 +393,7 @@ 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,
_PLUS (or POWER7P etc) was a model name itself and had different
PVR and maybe different features in some cases, which is a bit
different to the situation here. Could be confusing to call this
_PLUS, so I would just call it _3_10_P11, as annoying as it is.
Thanks,
Nick
