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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Compiler-dependent intrinsics. * * Copyright (C) 2002-2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ #ifndef _UAPI_ASM_IA64_INTRINSICS_H #define _UAPI_ASM_IA64_INTRINSICS_H #ifndef __ASSEMBLY__ #include <linux/types.h> /* include compiler specific intrinsics */ #include <asm/ia64regs.h> #ifdef __INTEL_COMPILER # include <asm/intel_intrin.h> #else # include <asm/gcc_intrin.h> #endif #include <asm/cmpxchg.h> #define ia64_native_get_psr_i() (ia64_native_getreg(_IA64_REG_PSR) & IA64_PSR_I) #define ia64_native_set_rr0_to_rr4(val0, val1, val2, val3, val4) \ do { \ ia64_native_set_rr(0x0000000000000000UL, (val0)); \ ia64_native_set_rr(0x2000000000000000UL, (val1)); \ ia64_native_set_rr(0x4000000000000000UL, (val2)); \ ia64_native_set_rr(0x6000000000000000UL, (val3)); \ ia64_native_set_rr(0x8000000000000000UL, (val4)); \ } while (0) /* * Force an unresolved reference if someone tries to use * ia64_fetch_and_add() with a bad value. */ extern unsigned long __bad_size_for_ia64_fetch_and_add (void); extern unsigned long __bad_increment_for_ia64_fetch_and_add (void); #define IA64_FETCHADD(tmp,v,n,sz,sem) \ ({ \ switch (sz) { \ case 4: \ tmp = ia64_fetchadd4_##sem((unsigned int *) v, n); \ break; \ \ case 8: \ tmp = ia64_fetchadd8_##sem((unsigned long *) v, n); \ break; \ \ default: \ __bad_size_for_ia64_fetch_and_add(); \ } \ }) #define ia64_fetchadd(i,v,sem) \ ({ \ __u64 _tmp; \ volatile __typeof__(*(v)) *_v = (v); \ /* Can't use a switch () here: gcc isn't always smart enough for that... */ \ if ((i) == -16) \ IA64_FETCHADD(_tmp, _v, -16, sizeof(*(v)), sem); \ else if ((i) == -8) \ IA64_FETCHADD(_tmp, _v, -8, sizeof(*(v)), sem); \ else if ((i) == -4) \ IA64_FETCHADD(_tmp, _v, -4, sizeof(*(v)), sem); \ else if ((i) == -1) \ IA64_FETCHADD(_tmp, _v, -1, sizeof(*(v)), sem); \ else if ((i) == 1) \ IA64_FETCHADD(_tmp, _v, 1, sizeof(*(v)), sem); \ else if ((i) == 4) \ IA64_FETCHADD(_tmp, _v, 4, sizeof(*(v)), sem); \ else if ((i) == 8) \ IA64_FETCHADD(_tmp, _v, 8, sizeof(*(v)), sem); \ else if ((i) == 16) \ IA64_FETCHADD(_tmp, _v, 16, sizeof(*(v)), sem); \ else \ _tmp = __bad_increment_for_ia64_fetch_and_add(); \ (__typeof__(*(v))) (_tmp); /* return old value */ \ }) #define ia64_fetch_and_add(i,v) (ia64_fetchadd(i, v, rel) + (i)) /* return new value */ #endif #ifndef __ASSEMBLY__ #define IA64_INTRINSIC_API(name) ia64_native_ ## name #define IA64_INTRINSIC_MACRO(name) ia64_native_ ## name /************************************************/ /* Instructions paravirtualized for correctness */ /************************************************/ /* fc, thash, get_cpuid, get_pmd, get_eflags, set_eflags */ /* Note that "ttag" and "cover" are also privilege-sensitive; "ttag" * is not currently used (though it may be in a long-format VHPT system!) */ #define ia64_fc IA64_INTRINSIC_API(fc) #define ia64_thash IA64_INTRINSIC_API(thash) #define ia64_get_cpuid IA64_INTRINSIC_API(get_cpuid) #define ia64_get_pmd IA64_INTRINSIC_API(get_pmd) /************************************************/ /* Instructions paravirtualized for performance */ /************************************************/ #define ia64_ssm IA64_INTRINSIC_MACRO(ssm) #define ia64_rsm IA64_INTRINSIC_MACRO(rsm) #define ia64_getreg IA64_INTRINSIC_MACRO(getreg) #define ia64_setreg IA64_INTRINSIC_API(setreg) #define ia64_set_rr IA64_INTRINSIC_API(set_rr) #define ia64_get_rr IA64_INTRINSIC_API(get_rr) #define ia64_ptcga IA64_INTRINSIC_API(ptcga) #define ia64_get_psr_i IA64_INTRINSIC_API(get_psr_i) #define ia64_intrin_local_irq_restore \ IA64_INTRINSIC_API(intrin_local_irq_restore) #define ia64_set_rr0_to_rr4 IA64_INTRINSIC_API(set_rr0_to_rr4) #endif /* !__ASSEMBLY__ */ #endif /* _UAPI_ASM_IA64_INTRINSICS_H */ |