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Re: [Qemu-devel] [PATCH 04/14] Add calls to initialize VSCR on appropria
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH 04/14] Add calls to initialize VSCR on appropriate machines |
Date: |
Tue, 3 Feb 2009 20:59:22 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Thu, Jan 22, 2009 at 12:44:04PM -0800, Nathan Froyd wrote:
>
> Signed-off-by: Nathan Froyd <address@hidden>
Thanks, applied.
> ---
> target-ppc/translate_init.c | 22 ++++++++++++++++++++++
> 1 files changed, 22 insertions(+), 0 deletions(-)
>
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index 5008a3a..d1722aa 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -471,6 +471,14 @@ static void spr_write_excp_vector (void *opaque, int
> sprn, int gprn)
> }
> #endif
>
> +static inline void vscr_init (CPUPPCState *env, uint32_t val)
> +{
> + env->vscr = val;
> + /* Altivec always uses round-to-nearest */
> + set_float_rounding_mode(float_round_nearest_even, &env->vec_status);
> + set_flush_to_zero(vscr_nj, &env->vec_status);
> +}
> +
> #if defined(CONFIG_USER_ONLY)
> #define spr_register(env, num, name, uea_read, uea_write,
> \
> oea_read, oea_write, initial_value)
> \
> @@ -1219,6 +1227,8 @@ static void gen_spr_74xx (CPUPPCState *env)
> SPR_NOACCESS, SPR_NOACCESS,
> &spr_read_generic, &spr_write_generic,
> 0x00000000);
> + /* Not strictly an SPR */
> + vscr_init(env, 0x00010000);
> }
>
> static void gen_l3_ctrl (CPUPPCState *env)
> @@ -5918,6 +5928,9 @@ static void init_proc_970 (CPUPPCState *env)
> env->icache_line_size = 128;
> /* Allocate hardware IRQ controller */
> ppc970_irq_init(env);
> + /* Can't find information on what this should be on reset. This
> + * value is the one used by 74xx processors. */
> + vscr_init(env, 0x00010000);
> }
>
> /* PowerPC 970FX (aka G5)
> */
> @@ -6004,6 +6017,9 @@ static void init_proc_970FX (CPUPPCState *env)
> env->icache_line_size = 128;
> /* Allocate hardware IRQ controller */
> ppc970_irq_init(env);
> + /* Can't find information on what this should be on reset. This
> + * value is the one used by 74xx processors. */
> + vscr_init(env, 0x00010000);
> }
>
> /* PowerPC 970 GX
> */
> @@ -6090,6 +6106,9 @@ static void init_proc_970GX (CPUPPCState *env)
> env->icache_line_size = 128;
> /* Allocate hardware IRQ controller */
> ppc970_irq_init(env);
> + /* Can't find information on what this should be on reset. This
> + * value is the one used by 74xx processors. */
> + vscr_init(env, 0x00010000);
> }
>
> /* PowerPC 970 MP
> */
> @@ -6176,6 +6195,9 @@ static void init_proc_970MP (CPUPPCState *env)
> env->icache_line_size = 128;
> /* Allocate hardware IRQ controller */
> ppc970_irq_init(env);
> + /* Can't find information on what this should be on reset. This
> + * value is the one used by 74xx processors. */
> + vscr_init(env, 0x00010000);
> }
>
> /* PowerPC 620
> */
> --
> 1.6.0.5
>
>
>
>
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
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