Commit 24c373ec authored by Laurent Vivier's avatar Laurent Vivier
Browse files

linux-user: update PPC64 HWCAP2 feature list 



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: default avatarLaurent Vivier <laurent@vivier.eu>
Message-Id: <20190609143521.19374-1-laurent@vivier.eu>
Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
parent 22bf4ee9

linux-user/elfload.c

+10 −2
Original line number Diff line number Diff line
@@ -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