On Mon, 2016-09-12 at 15:33 +0800, wei.guo.simon@xxxxxxxxx wrote:
> From: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
>
> This patch adds SPR number for TAR, PPR, DSCR special
> purpose registers. It also adds TM, VSX, VMX related
> instructions which will then be used by patches later
> in the series.
>
> Signed-off-by: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Simon Guo <wei.guo.simon@xxxxxxxxx>
> ---
> tools/testing/selftests/powerpc/reg.h | 42
> ++++++++++++++++++++++++++++++++---
> 1 file changed, 39 insertions(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/powerpc/reg.h
> b/tools/testing/selftests/powerpc/reg.h
> index fddf368..fee7be9 100644
> --- a/tools/testing/selftests/powerpc/reg.h
> +++ b/tools/testing/selftests/powerpc/reg.h
> @@ -18,6 +18,19 @@
>
> #define mb() asm volatile("sync" : : : "memory");
>
> +/* Vector Instructions */
> +#define VSX_XX1(xs, ra, rb) (((xs) & 0x1f) << 21 | ((ra) <<
> 16) | \
> + ((rb) << 11) | (((xs) >> 5)))
> +#define STXVD2X(xs, ra, rb) .long (0x7c000798 | VSX_XX1((xs),
> (ra), (rb)))
> +#define LXVD2X(xs, ra, rb) .long (0x7c000698 | VSX_XX1((xs),
> (ra), (rb)))
Theres an instructions.h file in tools/testing/selftests/powerpc/ would
these be better suited there?
> +
> +/* TM instructions */
> +#define TBEGIN ".long 0x7C00051D;"
> +#define TABORT ".long 0x7C00071D;"
> +#define TEND ".long 0x7C00055D;"
> +#define TSUSPEND ".long 0x7C0005DD;"
> +#define TRESUME ".long 0x7C2005DD;"
> +
These are only useful on old compilers that don't know about TM. For
selftests I would discourage creating these and using the actual
instructions, they are fairly well known today by most compilers.
> #define SPRN_MMCR2 769
> #define SPRN_MMCRA 770
> #define SPRN_MMCR0 779
> @@ -51,10 +64,33 @@
> #define SPRN_SDAR 781
> #define SPRN_SIER 768
>
> -#define SPRN_TEXASR 0x82
> +#define SPRN_TEXASR 0x82 /* Transaction Exception and Status
> Register */
> #define SPRN_TFIAR 0x81 /* Transaction Failure Inst
> Addr */
> #define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr
> */
> -#define TEXASR_FS 0x08000000
> -#define SPRN_TAR 0x32f
> +#define SPRN_TAR 0x32f /* Target Address Register */
> +
> +#define SPRN_DSCR_PRIV 0x11 /* Privilege State DSCR */
> +#define SPRN_DSCR 0x03 /* Data Stream Control Register
> */
> +#define SPRN_PPR 896 /* Program Priority Register */
> +
> +/* TEXASR register bits */
> +#define TEXASR_FC 0xFE00000000000000
> +#define TEXASR_FP 0x0100000000000000
> +#define TEXASR_DA 0x0080000000000000
> +#define TEXASR_NO 0x0040000000000000
> +#define TEXASR_FO 0x0020000000000000
> +#define TEXASR_SIC 0x0010000000000000
> +#define TEXASR_NTC 0x0008000000000000
> +#define TEXASR_TC 0x0004000000000000
> +#define TEXASR_TIC 0x0002000000000000
> +#define TEXASR_IC 0x0001000000000000
> +#define TEXASR_IFC 0x0000800000000000
> +#define TEXASR_ABT 0x0000000100000000
> +#define TEXASR_SPD 0x0000000080000000
> +#define TEXASR_HV 0x0000000020000000
> +#define TEXASR_PR 0x0000000010000000
> +#define TEXASR_FS 0x0000000008000000
> +#define TEXASR_TE 0x0000000004000000
> +#define TEXASR_ROT 0x0000000002000000
>
> #endif /* _SELFTESTS_POWERPC_REG_H */
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