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Re: [Qemu-devel] [PATCH 1/2] linux-user: update PPC64 HWCAP2 feature lis
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] linux-user: update PPC64 HWCAP2 feature list |
Date: |
Mon, 24 Jun 2019 22:21:46 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
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Le 09/06/2019 à 16:35, Laurent Vivier a écrit :
> QEMU_PPC_FEATURE2_VEC_CRYPTO enables the use
> of VSX instructions in libcrypto that are accelerated
> by the TCG vector instructions now.
>
> QEMU_PPC_FEATURE2_DARN allows to use the new builtin
> qemu_guest_getrandom() function.
>
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
> linux-user/elfload.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/linux-user/elfload.c b/linux-user/elfload.c
> index 5451d262ec8e..5751beff1b64 100644
> --- a/linux-user/elfload.c
> +++ b/linux-user/elfload.c
> @@ -768,7 +768,13 @@ enum {
> QEMU_PPC_FEATURE2_HAS_EBB = 0x10000000, /* Event Base Branching */
> QEMU_PPC_FEATURE2_HAS_ISEL = 0x08000000, /* Integer Select */
> QEMU_PPC_FEATURE2_HAS_TAR = 0x04000000, /* Target Address Register */
> + QEMU_PPC_FEATURE2_VEC_CRYPTO = 0x02000000,
> + QEMU_PPC_FEATURE2_HTM_NOSC = 0x01000000,
> QEMU_PPC_FEATURE2_ARCH_3_00 = 0x00800000, /* ISA 3.00 */
> + QEMU_PPC_FEATURE2_HAS_IEEE128 = 0x00400000, /* VSX IEEE Bin Float
> 128-bit */
> + QEMU_PPC_FEATURE2_DARN = 0x00200000, /* darn random number insn */
> + QEMU_PPC_FEATURE2_SCV = 0x00100000, /* scv syscall */
> + QEMU_PPC_FEATURE2_HTM_NO_SUSPEND = 0x00080000, /* TM w/o suspended state
> */
> };
>
> #define ELF_HWCAP get_elf_hwcap()
> @@ -822,8 +828,10 @@ static uint32_t get_elf_hwcap2(void)
> GET_FEATURE(PPC_ISEL, QEMU_PPC_FEATURE2_HAS_ISEL);
> GET_FEATURE2(PPC2_BCTAR_ISA207, QEMU_PPC_FEATURE2_HAS_TAR);
> GET_FEATURE2((PPC2_BCTAR_ISA207 | PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
> - PPC2_ISA207S), QEMU_PPC_FEATURE2_ARCH_2_07);
> - GET_FEATURE2(PPC2_ISA300, QEMU_PPC_FEATURE2_ARCH_3_00);
> + PPC2_ISA207S), QEMU_PPC_FEATURE2_ARCH_2_07 |
> + QEMU_PPC_FEATURE2_VEC_CRYPTO);
> + GET_FEATURE2(PPC2_ISA300, QEMU_PPC_FEATURE2_ARCH_3_00 |
> + QEMU_PPC_FEATURE2_DARN);
>
> #undef GET_FEATURE
> #undef GET_FEATURE2
>