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/*-
* Copyright (c) 2007 Marcel Moolenaar
* Copyright (c) 2000 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/ia64/include/ia64_cpu.h 223170 2011-06-17 04:26:03Z marcel $
*/
#ifndef _MACHINE_IA64_CPU_H_
#define _MACHINE_IA64_CPU_H_
/*
* Local Interrupt ID.
*/
#define IA64_LID_GET_SAPIC_ID(x) ((u_int)((x) >> 16) & 0xffff)
#define IA64_LID_SET_SAPIC_ID(x) ((u_int)((x) & 0xffff) << 16)
/*
* Definition of DCR bits.
*/
#define IA64_DCR_PP 0x0000000000000001
#define IA64_DCR_BE 0x0000000000000002
#define IA64_DCR_LC 0x0000000000000004
#define IA64_DCR_DM 0x0000000000000100
#define IA64_DCR_DP 0x0000000000000200
#define IA64_DCR_DK 0x0000000000000400
#define IA64_DCR_DX 0x0000000000000800
#define IA64_DCR_DR 0x0000000000001000
#define IA64_DCR_DA 0x0000000000002000
#define IA64_DCR_DD 0x0000000000004000
#define IA64_DCR_DEFAULT \
(IA64_DCR_DM | IA64_DCR_DP | IA64_DCR_DK | IA64_DCR_DX | \
IA64_DCR_DR | IA64_DCR_DA | IA64_DCR_DD)
/*
* Definition of PSR and IPSR bits.
*/
#define IA64_PSR_BE 0x0000000000000002
#define IA64_PSR_UP 0x0000000000000004
#define IA64_PSR_AC 0x0000000000000008
#define IA64_PSR_MFL 0x0000000000000010
#define IA64_PSR_MFH 0x0000000000000020
#define IA64_PSR_IC 0x0000000000002000
#define IA64_PSR_I 0x0000000000004000
#define IA64_PSR_PK 0x0000000000008000
#define IA64_PSR_DT 0x0000000000020000
#define IA64_PSR_DFL 0x0000000000040000
#define IA64_PSR_DFH 0x0000000000080000
#define IA64_PSR_SP 0x0000000000100000
#define IA64_PSR_PP 0x0000000000200000
#define IA64_PSR_DI 0x0000000000400000
#define IA64_PSR_SI 0x0000000000800000
#define IA64_PSR_DB 0x0000000001000000
#define IA64_PSR_LP 0x0000000002000000
#define IA64_PSR_TB 0x0000000004000000
#define IA64_PSR_RT 0x0000000008000000
#define IA64_PSR_CPL 0x0000000300000000
#define IA64_PSR_CPL_KERN 0x0000000000000000
#define IA64_PSR_CPL_1 0x0000000100000000
#define IA64_PSR_CPL_2 0x0000000200000000
#define IA64_PSR_CPL_USER 0x0000000300000000
#define IA64_PSR_IS 0x0000000400000000
#define IA64_PSR_MC 0x0000000800000000
#define IA64_PSR_IT 0x0000001000000000
#define IA64_PSR_ID 0x0000002000000000
#define IA64_PSR_DA 0x0000004000000000
#define IA64_PSR_DD 0x0000008000000000
#define IA64_PSR_SS 0x0000010000000000
#define IA64_PSR_RI 0x0000060000000000
#define IA64_PSR_RI_0 0x0000000000000000
#define IA64_PSR_RI_1 0x0000020000000000
#define IA64_PSR_RI_2 0x0000040000000000
#define IA64_PSR_ED 0x0000080000000000
#define IA64_PSR_BN 0x0000100000000000
#define IA64_PSR_IA 0x0000200000000000
/*
* Definition of ISR bits.
*/
#define IA64_ISR_CODE 0x000000000000ffff
#define IA64_ISR_VECTOR 0x0000000000ff0000
#define IA64_ISR_X 0x0000000100000000
#define IA64_ISR_W 0x0000000200000000
#define IA64_ISR_R 0x0000000400000000
#define IA64_ISR_NA 0x0000000800000000
#define IA64_ISR_SP 0x0000001000000000
#define IA64_ISR_RS 0x0000002000000000
#define IA64_ISR_IR 0x0000004000000000
#define IA64_ISR_NI 0x0000008000000000
#define IA64_ISR_SO 0x0000010000000000
#define IA64_ISR_EI 0x0000060000000000
#define IA64_ISR_EI_0 0x0000000000000000
#define IA64_ISR_EI_1 0x0000020000000000
#define IA64_ISR_EI_2 0x0000040000000000
#define IA64_ISR_ED 0x0000080000000000
/*
* Vector numbers for various ia64 interrupts.
*/
#define IA64_VEC_VHPT 0
#define IA64_VEC_ITLB 1
#define IA64_VEC_DTLB 2
#define IA64_VEC_ALT_ITLB 3
#define IA64_VEC_ALT_DTLB 4
#define IA64_VEC_NESTED_DTLB 5
#define IA64_VEC_IKEY_MISS 6
#define IA64_VEC_DKEY_MISS 7
#define IA64_VEC_DIRTY_BIT 8
#define IA64_VEC_INST_ACCESS 9
#define IA64_VEC_DATA_ACCESS 10
#define IA64_VEC_BREAK 11
#define IA64_VEC_EXT_INTR 12
#define IA64_VEC_PAGE_NOT_PRESENT 20
#define IA64_VEC_KEY_PERMISSION 21
#define IA64_VEC_INST_ACCESS_RIGHTS 22
#define IA64_VEC_DATA_ACCESS_RIGHTS 23
#define IA64_VEC_GENERAL_EXCEPTION 24
#define IA64_VEC_DISABLED_FP 25
#define IA64_VEC_NAT_CONSUMPTION 26
#define IA64_VEC_SPECULATION 27
#define IA64_VEC_DEBUG 29
#define IA64_VEC_UNALIGNED_REFERENCE 30
#define IA64_VEC_UNSUPP_DATA_REFERENCE 31
#define IA64_VEC_FLOATING_POINT_FAULT 32
#define IA64_VEC_FLOATING_POINT_TRAP 33
#define IA64_VEC_LOWER_PRIVILEGE_TRANSFER 34
#define IA64_VEC_TAKEN_BRANCH_TRAP 35
#define IA64_VEC_SINGLE_STEP_TRAP 36
#define IA64_VEC_IA32_EXCEPTION 45
#define IA64_VEC_IA32_INTERCEPT 46
#define IA64_VEC_IA32_INTERRUPT 47
/*
* IA-32 exceptions.
*/
#define IA32_EXCEPTION_DIVIDE 0
#define IA32_EXCEPTION_DEBUG 1
#define IA32_EXCEPTION_BREAK 3
#define IA32_EXCEPTION_OVERFLOW 4
#define IA32_EXCEPTION_BOUND 5
#define IA32_EXCEPTION_DNA 7
#define IA32_EXCEPTION_NOT_PRESENT 11
#define IA32_EXCEPTION_STACK_FAULT 12
#define IA32_EXCEPTION_GPFAULT 13
#define IA32_EXCEPTION_FPERROR 16
#define IA32_EXCEPTION_ALIGNMENT_CHECK 17
#define IA32_EXCEPTION_STREAMING_SIMD 19
#define IA32_INTERCEPT_INSTRUCTION 0
#define IA32_INTERCEPT_GATE 1
#define IA32_INTERCEPT_SYSTEM_FLAG 2
#define IA32_INTERCEPT_LOCK 4
#ifndef LOCORE
/*
* Various special ia64 instructions.
*/
/*
* Memory Fence.
*/
static __inline void
ia64_mf(void)
{
__asm __volatile("mf");
}
static __inline void
ia64_mf_a(void)
{
__asm __volatile("mf.a");
}
/*
* Flush Cache.
*/
static __inline void
ia64_fc(uint64_t va)
{
__asm __volatile("fc %0" :: "r"(va));
}
static __inline void
ia64_fc_i(uint64_t va)
{
__asm __volatile("fc.i %0" :: "r"(va));
}
/*
* Sync instruction stream.
*/
static __inline void
ia64_sync_i(void)
{
__asm __volatile("sync.i");
}
/*
* Calculate address in VHPT for va.
*/
static __inline uint64_t
ia64_thash(uint64_t va)
{
uint64_t result;
__asm __volatile("thash %0=%1" : "=r" (result) : "r" (va));
return result;
}
/*
* Calculate VHPT tag for va.
*/
static __inline uint64_t
ia64_ttag(uint64_t va)
{
uint64_t result;
__asm __volatile("ttag %0=%1" : "=r" (result) : "r" (va));
return result;
}
/*
* Convert virtual address to physical.
*/
static __inline uint64_t
ia64_tpa(uint64_t va)
{
uint64_t result;
__asm __volatile("tpa %0=%1" : "=r" (result) : "r" (va));
return result;
}
/*
* Generate a ptc.e instruction.
*/
static __inline void
ia64_ptc_e(uint64_t v)
{
__asm __volatile("ptc.e %0;; srlz.i;;" :: "r"(v));
}
/*
* Generate a ptc.g instruction.
*/
static __inline void
ia64_ptc_g(uint64_t va, uint64_t log2size)
{
__asm __volatile("ptc.g %0,%1;;" :: "r"(va), "r"(log2size));
}
/*
* Generate a ptc.ga instruction.
*/
static __inline void
ia64_ptc_ga(uint64_t va, uint64_t log2size)
{
__asm __volatile("ptc.ga %0,%1;;" :: "r"(va), "r"(log2size));
}
/*
* Generate a ptc.l instruction.
*/
static __inline void
ia64_ptc_l(uint64_t va, uint64_t log2size)
{
__asm __volatile("ptc.l %0,%1;; srlz.i;;" :: "r"(va), "r"(log2size));
}
/*
* Invalidate the ALAT on the local processor.
*/
static __inline void
ia64_invala(void)
{
__asm __volatile("invala;;");
}
/*
* Unordered memory load.
*/
static __inline uint8_t
ia64_ld1(uint8_t *p)
{
uint8_t v;
__asm __volatile("ld1 %0=[%1];;" : "=r"(v) : "r"(p));
return (v);
}
static __inline uint16_t
ia64_ld2(uint16_t *p)
{
uint16_t v;
__asm __volatile("ld2 %0=[%1];;" : "=r"(v) : "r"(p));
return (v);
}
static __inline uint32_t
ia64_ld4(uint32_t *p)
{
uint32_t v;
__asm __volatile("ld4 %0=[%1];;" : "=r"(v) : "r"(p));
return (v);
}
static __inline uint64_t
ia64_ld8(uint64_t *p)
{
uint64_t v;
__asm __volatile("ld8 %0=[%1];;" : "=r"(v) : "r"(p));
return (v);
}
/*
* Unordered memory store.
*/
static __inline void
ia64_st1(uint8_t *p, uint8_t v)
{
__asm __volatile("st1 [%0]=%1;;" :: "r"(p), "r"(v));
}
static __inline void
ia64_st2(uint16_t *p, uint16_t v)
{
__asm __volatile("st2 [%0]=%1;;" :: "r"(p), "r"(v));
}
static __inline void
ia64_st4(uint32_t *p, uint32_t v)
{
__asm __volatile("st4 [%0]=%1;;" :: "r"(p), "r"(v));
}
static __inline void
ia64_st8(uint64_t *p, uint64_t v)
{
__asm __volatile("st8 [%0]=%1;;" :: "r"(p), "r"(v));
}
/*
* Read the value of psr.
*/
static __inline uint64_t
ia64_get_psr(void)
{
uint64_t result;
__asm __volatile("mov %0=psr;;" : "=r" (result));
return result;
}
/*
* Define accessors for application registers.
*/
#define IA64_AR(name) \
\
static __inline uint64_t \
ia64_get_##name(void) \
{ \
uint64_t result; \
__asm __volatile("mov %0=ar." #name : "=r" (result)); \
return result; \
} \
\
static __inline void \
ia64_set_##name(uint64_t v) \
{ \
__asm __volatile("mov ar." #name "=%0;;" :: "r" (v)); \
}
IA64_AR(k0)
IA64_AR(k1)
IA64_AR(k2)
IA64_AR(k3)
IA64_AR(k4)
IA64_AR(k5)
IA64_AR(k6)
IA64_AR(k7)
IA64_AR(rsc)
IA64_AR(bsp)
IA64_AR(bspstore)
IA64_AR(rnat)
IA64_AR(fcr)
IA64_AR(eflag)
IA64_AR(csd)
IA64_AR(ssd)
IA64_AR(cflg)
IA64_AR(fsr)
IA64_AR(fir)
IA64_AR(fdr)
IA64_AR(ccv)
IA64_AR(unat)
IA64_AR(fpsr)
IA64_AR(itc)
IA64_AR(pfs)
IA64_AR(lc)
IA64_AR(ec)
/*
* Define accessors for control registers.
*/
#define IA64_CR(name) \
\
static __inline uint64_t \
ia64_get_##name(void) \
{ \
uint64_t result; \
__asm __volatile("mov %0=cr." #name : "=r" (result)); \
return result; \
} \
\
static __inline void \
ia64_set_##name(uint64_t v) \
{ \
__asm __volatile("mov cr." #name "=%0;;" :: "r" (v)); \
}
IA64_CR(dcr)
IA64_CR(itm)
IA64_CR(iva)
IA64_CR(pta)
IA64_CR(ipsr)
IA64_CR(isr)
IA64_CR(iip)
IA64_CR(ifa)
IA64_CR(itir)
IA64_CR(iipa)
IA64_CR(ifs)
IA64_CR(iim)
IA64_CR(iha)
IA64_CR(lid)
IA64_CR(ivr)
IA64_CR(tpr)
IA64_CR(eoi)
IA64_CR(irr0)
IA64_CR(irr1)
IA64_CR(irr2)
IA64_CR(irr3)
IA64_CR(itv)
IA64_CR(pmv)
IA64_CR(cmcv)
IA64_CR(lrr0)
IA64_CR(lrr1)
/*
* Write a region register.
*/
static __inline void
ia64_set_rr(uint64_t rrbase, uint64_t v)
{
__asm __volatile("mov rr[%0]=%1"
:: "r"(rrbase), "r"(v) : "memory");
}
/*
* Read a CPUID register.
*/
static __inline uint64_t
ia64_get_cpuid(int i)
{
uint64_t result;
__asm __volatile("mov %0=cpuid[%1]"
: "=r" (result) : "r"(i));
return result;
}
static __inline void
ia64_disable_highfp(void)
{
__asm __volatile("ssm psr.dfh;; srlz.d");
}
static __inline void
ia64_enable_highfp(void)
{
__asm __volatile("rsm psr.dfh;; srlz.d");
}
/*
* Avoid inline functions for the following so that they still work
* correctly when inlining is not enabled (e.g. -O0). Function calls
* need data serialization after setting psr, which results in a
* hazard.
*/
#define ia64_srlz_d() __asm __volatile("srlz.d")
#define ia64_srlz_i() __asm __volatile("srlz.i;;")
#endif /* !LOCORE */
#endif /* _MACHINE_IA64_CPU_H_ */