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| author | Mehmet Samet Duman <yongdohyun@projecttick.org> | 2026-04-02 19:56:09 +0300 |
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| committer | Mehmet Samet Duman <yongdohyun@projecttick.org> | 2026-04-02 19:56:09 +0300 |
| commit | 7fb132859fda54aa96bc9dd46d302b343eeb5a02 (patch) | |
| tree | b43ae77d7451fb470a260c03349a1caf2846c5e5 /neozip/arch/power/power_features.c | |
| parent | b1e34e861b5d732afe828d58aad2c638135061fd (diff) | |
| parent | c2712b8a345191f6ed79558c089777df94590087 (diff) | |
| download | Project-Tick-7fb132859fda54aa96bc9dd46d302b343eeb5a02.tar.gz Project-Tick-7fb132859fda54aa96bc9dd46d302b343eeb5a02.zip | |
Add 'neozip/' from commit 'c2712b8a345191f6ed79558c089777df94590087'
git-subtree-dir: neozip
git-subtree-mainline: b1e34e861b5d732afe828d58aad2c638135061fd
git-subtree-split: c2712b8a345191f6ed79558c089777df94590087
Diffstat (limited to 'neozip/arch/power/power_features.c')
| -rw-r--r-- | neozip/arch/power/power_features.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/neozip/arch/power/power_features.c b/neozip/arch/power/power_features.c new file mode 100644 index 0000000000..148f30a974 --- /dev/null +++ b/neozip/arch/power/power_features.c @@ -0,0 +1,54 @@ +/* power_features.c - POWER feature check + * Copyright (C) 2020 Matheus Castanho <msc@linux.ibm.com>, IBM + * Copyright (C) 2021-2024 Mika T. Lindqvist <postmaster@raasu.org> + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#if defined(PPC_FEATURES) || defined(POWER_FEATURES) + +#include "zbuild.h" +#include "power_features.h" + +#ifdef HAVE_SYS_AUXV_H +# include <sys/auxv.h> +#endif +#ifdef POWER_NEED_AUXVEC_H +# include <linux/auxvec.h> +#endif +#ifdef __FreeBSD__ +# include <machine/cpu.h> +#endif + +void Z_INTERNAL power_check_features(struct power_cpu_features *features) { +#ifdef PPC_FEATURES + unsigned long hwcap; +#if defined(__FreeBSD__) || defined(__OpenBSD__) + elf_aux_info(AT_HWCAP, &hwcap, sizeof(hwcap)); +#else + hwcap = getauxval(AT_HWCAP); +#endif + + if (hwcap & PPC_FEATURE_HAS_ALTIVEC) + features->has_altivec = 1; +#endif + +#ifdef POWER_FEATURES + unsigned long hwcap2; +#if defined(__FreeBSD__) || defined(__OpenBSD__) + elf_aux_info(AT_HWCAP2, &hwcap2, sizeof(hwcap2)); +#else + hwcap2 = getauxval(AT_HWCAP2); +#endif + +#ifdef POWER8_VSX + if (hwcap2 & PPC_FEATURE2_ARCH_2_07) + features->has_arch_2_07 = 1; +#endif +#ifdef POWER9 + if (hwcap2 & PPC_FEATURE2_ARCH_3_00) + features->has_arch_3_00 = 1; +#endif +#endif +} + +#endif |