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Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/loader.h | 2 +- linux-user/elfload.c | 52 +----------------------------------- linux-user/mips/elfload.c | 55 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 57 insertions(+), 52 deletions(-) diff --git a/linux-user/loader.h b/linux-user/loader.h index 786482e68a..0544ab3398 100644 --- a/linux-user/loader.h +++ b/linux-user/loader.h @@ -100,7 +100,7 @@ extern unsigned long guest_stack_size; =20 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_ARM) \ || defined(TARGET_SPARC) || defined(TARGET_PPC) \ - || defined(TARGET_LOONGARCH64) + || defined(TARGET_LOONGARCH64) || defined(TARGET_MIPS) abi_ulong get_elf_hwcap(CPUState *cs); abi_ulong get_elf_hwcap2(CPUState *cs); #endif diff --git a/linux-user/elfload.c b/linux-user/elfload.c index f173a4f5b8..c6d42afde7 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -844,57 +844,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *r= egs, const CPUMIPSState *e #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 =20 -/* See arch/mips/include/uapi/asm/hwcap.h. */ -enum { - HWCAP_MIPS_R6 =3D (1 << 0), - HWCAP_MIPS_MSA =3D (1 << 1), - HWCAP_MIPS_CRC32 =3D (1 << 2), - HWCAP_MIPS_MIPS16 =3D (1 << 3), - HWCAP_MIPS_MDMX =3D (1 << 4), - HWCAP_MIPS_MIPS3D =3D (1 << 5), - HWCAP_MIPS_SMARTMIPS =3D (1 << 6), - HWCAP_MIPS_DSP =3D (1 << 7), - HWCAP_MIPS_DSP2 =3D (1 << 8), - HWCAP_MIPS_DSP3 =3D (1 << 9), - HWCAP_MIPS_MIPS16E2 =3D (1 << 10), - HWCAP_LOONGSON_MMI =3D (1 << 11), - HWCAP_LOONGSON_EXT =3D (1 << 12), - HWCAP_LOONGSON_EXT2 =3D (1 << 13), - HWCAP_LOONGSON_CPUCFG =3D (1 << 14), -}; - -#define ELF_HWCAP get_elf_hwcap() - -#define GET_FEATURE_INSN(_flag, _hwcap) \ - do { if (cpu->env.insn_flags & (_flag)) { hwcaps |=3D _hwcap; } } whil= e (0) - -#define GET_FEATURE_REG_SET(_reg, _mask, _hwcap) \ - do { if (cpu->env._reg & (_mask)) { hwcaps |=3D _hwcap; } } while (0) - -#define GET_FEATURE_REG_EQU(_reg, _start, _length, _val, _hwcap) \ - do { \ - if (extract32(cpu->env._reg, (_start), (_length)) =3D=3D (_val)) {= \ - hwcaps |=3D _hwcap; \ - } \ - } while (0) - -static uint32_t get_elf_hwcap(void) -{ - MIPSCPU *cpu =3D MIPS_CPU(thread_cpu); - uint32_t hwcaps =3D 0; - - GET_FEATURE_REG_EQU(CP0_Config0, CP0C0_AR, CP0C0_AR_LENGTH, - 2, HWCAP_MIPS_R6); - GET_FEATURE_REG_SET(CP0_Config3, 1 << CP0C3_MSAP, HWCAP_MIPS_MSA); - GET_FEATURE_INSN(ASE_LMMI, HWCAP_LOONGSON_MMI); - GET_FEATURE_INSN(ASE_LEXT, HWCAP_LOONGSON_EXT); - - return hwcaps; -} - -#undef GET_FEATURE_REG_EQU -#undef GET_FEATURE_REG_SET -#undef GET_FEATURE_INSN +#define ELF_HWCAP get_elf_hwcap(thread_cpu) =20 #endif /* TARGET_MIPS */ =20 diff --git a/linux-user/mips/elfload.c b/linux-user/mips/elfload.c index 73fa78ef14..07c30b5f4c 100644 --- a/linux-user/mips/elfload.c +++ b/linux-user/mips/elfload.c @@ -1 +1,56 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "qemu/osdep.h" +#include "qemu.h" +#include "loader.h" + + +/* See arch/mips/include/uapi/asm/hwcap.h. */ +enum { + HWCAP_MIPS_R6 =3D (1 << 0), + HWCAP_MIPS_MSA =3D (1 << 1), + HWCAP_MIPS_CRC32 =3D (1 << 2), + HWCAP_MIPS_MIPS16 =3D (1 << 3), + HWCAP_MIPS_MDMX =3D (1 << 4), + HWCAP_MIPS_MIPS3D =3D (1 << 5), + HWCAP_MIPS_SMARTMIPS =3D (1 << 6), + HWCAP_MIPS_DSP =3D (1 << 7), + HWCAP_MIPS_DSP2 =3D (1 << 8), + HWCAP_MIPS_DSP3 =3D (1 << 9), + HWCAP_MIPS_MIPS16E2 =3D (1 << 10), + HWCAP_LOONGSON_MMI =3D (1 << 11), + HWCAP_LOONGSON_EXT =3D (1 << 12), + HWCAP_LOONGSON_EXT2 =3D (1 << 13), + HWCAP_LOONGSON_CPUCFG =3D (1 << 14), +}; + +#define GET_FEATURE_INSN(_flag, _hwcap) \ + do { if (cpu->env.insn_flags & (_flag)) { hwcaps |=3D _hwcap; } } whil= e (0) + +#define GET_FEATURE_REG_SET(_reg, _mask, _hwcap) \ + do { if (cpu->env._reg & (_mask)) { hwcaps |=3D _hwcap; } } while (0) + +#define GET_FEATURE_REG_EQU(_reg, _start, _length, _val, _hwcap) \ + do { \ + if (extract32(cpu->env._reg, (_start), (_length)) =3D=3D (_val)) {= \ + hwcaps |=3D _hwcap; \ + } \ + } while (0) + +abi_ulong get_elf_hwcap(CPUState *cs) +{ + MIPSCPU *cpu =3D MIPS_CPU(cs); + abi_ulong hwcaps =3D 0; + + GET_FEATURE_REG_EQU(CP0_Config0, CP0C0_AR, CP0C0_AR_LENGTH, + 2, HWCAP_MIPS_R6); + GET_FEATURE_REG_SET(CP0_Config3, 1 << CP0C3_MSAP, HWCAP_MIPS_MSA); + GET_FEATURE_INSN(ASE_LMMI, HWCAP_LOONGSON_MMI); + GET_FEATURE_INSN(ASE_LEXT, HWCAP_LOONGSON_EXT); + + return hwcaps; +} + +#undef GET_FEATURE_REG_EQU +#undef GET_FEATURE_REG_SET +#undef GET_FEATURE_INSN --=20 2.43.0