From: David Gibson <david@gibson.dropbear.id.au>
To: Fabiano Rosas <farosas@linux.ibm.com>
Cc: danielhb413@gmail.com, qemu-ppc@nongnu.org,
qemu-devel@nongnu.org, clg@kaod.org
Subject: Re: [PATCH 08/27] target/ppc: cpu_init: Decouple G2 SPR registration from 755
Date: Wed, 16 Feb 2022 13:15:26 +1100 [thread overview]
Message-ID: <YgxePnUUM9n1QEGn@yekko> (raw)
In-Reply-To: <20220215214148.1848266-9-farosas@linux.ibm.com>
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On Tue, Feb 15, 2022 at 06:41:29PM -0300, Fabiano Rosas wrote:
> We're considering these two to be in different CPU families (6xx and
> 7xx), so keep their SPR registration separate.
>
> The code was copied into register_G2_sprs and the common function was
> renamed to apply only to the 755.
>
> Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> target/ppc/cpu_init.c | 25 ++++++++++++++++++++-----
> 1 file changed, 20 insertions(+), 5 deletions(-)
>
> diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
> index 29f25e093f..6a367f2bbc 100644
> --- a/target/ppc/cpu_init.c
> +++ b/target/ppc/cpu_init.c
> @@ -466,8 +466,7 @@ static void register_6xx_7xx_soft_tlb(CPUPPCState *env, int nb_tlbs, int nb_ways
> #endif
> }
>
> -/* SPR common to MPC755 and G2 */
> -static void register_G2_755_sprs(CPUPPCState *env)
> +static void register_755_sprs(CPUPPCState *env)
> {
> /* SGPRs */
> spr_register(env, SPR_SPRG4, "SPRG4",
> @@ -783,6 +782,23 @@ static void register_G2_sprs(CPUPPCState *env)
> &spr_read_generic, &spr_write_generic,
> 0x00000000);
>
> + /* SGPRs */
> + spr_register(env, SPR_SPRG4, "SPRG4",
> + SPR_NOACCESS, SPR_NOACCESS,
> + &spr_read_generic, &spr_write_generic,
> + 0x00000000);
> + spr_register(env, SPR_SPRG5, "SPRG5",
> + SPR_NOACCESS, SPR_NOACCESS,
> + &spr_read_generic, &spr_write_generic,
> + 0x00000000);
> + spr_register(env, SPR_SPRG6, "SPRG6",
> + SPR_NOACCESS, SPR_NOACCESS,
> + &spr_read_generic, &spr_write_generic,
> + 0x00000000);
> + spr_register(env, SPR_SPRG7, "SPRG7",
> + SPR_NOACCESS, SPR_NOACCESS,
> + &spr_read_generic, &spr_write_generic,
> + 0x00000000);
> }
>
> static void register_74xx_sprs(CPUPPCState *env)
> @@ -2852,7 +2868,6 @@ static void init_proc_G2(CPUPPCState *env)
> {
> register_ne_601_sprs(env);
> register_sdr1_sprs(env);
> - register_G2_755_sprs(env);
> register_G2_sprs(env);
>
> /* Memory management */
> @@ -4474,7 +4489,7 @@ static void init_proc_745(CPUPPCState *env)
> register_ne_601_sprs(env);
> register_sdr1_sprs(env);
> register_7xx_sprs(env);
> - register_G2_755_sprs(env);
> + register_755_sprs(env);
> /* Thermal management */
> register_thrm_sprs(env);
> /* Hardware implementation registers */
> @@ -4547,7 +4562,7 @@ static void init_proc_755(CPUPPCState *env)
> register_ne_601_sprs(env);
> register_sdr1_sprs(env);
> register_7xx_sprs(env);
> - register_G2_755_sprs(env);
> + register_755_sprs(env);
> /* L2 cache control */
> spr_register(env, SPR_L2CR, "L2CR",
> SPR_NOACCESS, SPR_NOACCESS,
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2022-02-16 5:09 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-15 21:41 [PATCH 00/27] target/ppc: SPR registration cleanups Fabiano Rosas
2022-02-15 21:41 ` [PATCH 01/27] target/ppc: cpu_init: Remove not implemented comments Fabiano Rosas
2022-02-16 2:05 ` David Gibson
2022-02-15 21:41 ` [PATCH 02/27] target/ppc: cpu_init: Remove G2LE init code Fabiano Rosas
2022-02-16 2:07 ` David Gibson
2022-02-15 21:41 ` [PATCH 03/27] target/ppc: cpu_init: Group registration of generic SPRs Fabiano Rosas
2022-02-16 2:10 ` David Gibson
2022-02-15 21:41 ` [PATCH 04/27] target/ppc: cpu_init: Move Timebase registration into the common function Fabiano Rosas
2022-02-16 2:11 ` David Gibson
2022-02-15 21:41 ` [PATCH 05/27] target/ppc: cpu_init: Avoid nested SPR register functions Fabiano Rosas
2022-02-16 2:12 ` David Gibson
2022-02-15 21:41 ` [PATCH 06/27] target/ppc: cpu_init: Move 405 SPRs into register_405_sprs Fabiano Rosas
2022-02-16 2:13 ` David Gibson
2022-02-15 21:41 ` [PATCH 07/27] target/ppc: cpu_init: Move G2 SPRs into register_G2_sprs Fabiano Rosas
2022-02-16 2:14 ` David Gibson
2022-02-15 21:41 ` [PATCH 08/27] target/ppc: cpu_init: Decouple G2 SPR registration from 755 Fabiano Rosas
2022-02-16 2:15 ` David Gibson [this message]
2022-02-15 21:41 ` [PATCH 09/27] target/ppc: cpu_init: Decouple 74xx SPR registration from 7xx Fabiano Rosas
2022-02-16 2:16 ` David Gibson
2022-02-15 21:41 ` [PATCH 10/27] target/ppc: cpu_init: Deduplicate 440 SPR registration Fabiano Rosas
2022-02-16 2:18 ` David Gibson
2022-02-15 21:41 ` [PATCH 11/27] target/ppc: cpu_init: Deduplicate 603 " Fabiano Rosas
2022-02-16 2:19 ` David Gibson
2022-02-15 21:41 ` [PATCH 12/27] target/ppc: cpu_init: Deduplicate 604 " Fabiano Rosas
2022-02-16 2:19 ` David Gibson
2022-02-15 21:41 ` [PATCH 13/27] target/ppc: cpu_init: Deduplicate 7xx " Fabiano Rosas
2022-02-16 2:23 ` David Gibson
2022-02-15 21:41 ` [PATCH 14/27] target/ppc: cpu_init: Deduplicate 755 " Fabiano Rosas
2022-02-16 2:23 ` David Gibson
2022-02-15 21:41 ` [PATCH 15/27] target/ppc: cpu_init: Move 755 L2 cache SPRs into a function Fabiano Rosas
2022-02-16 2:24 ` David Gibson
2022-02-16 2:52 ` David Gibson
2022-02-15 21:41 ` [PATCH 16/27] target/ppc: cpu_init: Move e300 SPR registration " Fabiano Rosas
2022-02-16 2:26 ` David Gibson
2022-02-15 21:41 ` [PATCH 17/27] target/ppc: cpu_init: Move 604e " Fabiano Rosas
2022-02-16 2:50 ` David Gibson
2022-02-15 21:41 ` [PATCH 18/27] target/ppc: cpu_init: Reuse init_proc_603 for the e300 Fabiano Rosas
2022-02-16 2:27 ` David Gibson
2022-02-15 21:41 ` [PATCH 19/27] target/ppc: cpu_init: Reuse init_proc_604 for the 604e Fabiano Rosas
2022-02-16 2:50 ` David Gibson
2022-02-15 21:41 ` [PATCH 20/27] target/ppc: cpu_init: Reuse init_proc_745 for the 755 Fabiano Rosas
2022-02-16 2:54 ` David Gibson
2022-02-15 21:41 ` [PATCH 21/27] target/ppc: cpu_init: Rename software TLB function Fabiano Rosas
2022-02-16 2:56 ` David Gibson
2022-02-15 21:41 ` [PATCH 22/27] target/ppc: cpu_init: Rename register_ne_601_sprs Fabiano Rosas
2022-02-16 2:59 ` David Gibson
2022-02-16 13:19 ` Fabiano Rosas
2022-02-16 23:41 ` David Gibson
2022-02-15 21:41 ` [PATCH 23/27] target/ppc: cpu_init: Remove register_usprg3_sprs Fabiano Rosas
2022-02-16 2:59 ` David Gibson
2022-02-15 21:41 ` [PATCH 24/27] target/ppc: cpu_init: Expose some SPR registration helpers Fabiano Rosas
2022-02-16 3:00 ` David Gibson
2022-02-15 21:41 ` [PATCH 25/27] target/ppc: cpu_init: Move SPR registration macros to a header Fabiano Rosas
2022-02-16 3:01 ` David Gibson
2022-02-15 21:41 ` [PATCH 26/27] target/ppc: cpu_init: Move check_pow and QOM " Fabiano Rosas
2022-02-16 3:04 ` David Gibson
2022-02-16 13:06 ` Fabiano Rosas
2022-02-16 23:32 ` David Gibson
2022-02-15 21:41 ` [PATCH 27/27] target/ppc: Move common SPR functions out of cpu_init Fabiano Rosas
2022-02-16 3:05 ` David Gibson
2022-02-16 3:06 ` [PATCH 00/27] target/ppc: SPR registration cleanups David Gibson
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