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Diffstat (limited to 'kernel/arch/ia64/include/asm/paravirt_privop.h')
-rw-r--r--kernel/arch/ia64/include/asm/paravirt_privop.h479
1 files changed, 0 insertions, 479 deletions
diff --git a/kernel/arch/ia64/include/asm/paravirt_privop.h b/kernel/arch/ia64/include/asm/paravirt_privop.h
deleted file mode 100644
index 8f6cb11c9..000000000
--- a/kernel/arch/ia64/include/asm/paravirt_privop.h
+++ /dev/null
@@ -1,479 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef _ASM_IA64_PARAVIRT_PRIVOP_H
-#define _ASM_IA64_PARAVIRT_PRIVOP_H
-
-#ifdef CONFIG_PARAVIRT
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-#include <asm/kregs.h> /* for IA64_PSR_I */
-
-/******************************************************************************
- * replacement of intrinsics operations.
- */
-
-struct pv_cpu_ops {
- void (*fc)(void *addr);
- unsigned long (*thash)(unsigned long addr);
- unsigned long (*get_cpuid)(int index);
- unsigned long (*get_pmd)(int index);
- unsigned long (*getreg)(int reg);
- void (*setreg)(int reg, unsigned long val);
- void (*ptcga)(unsigned long addr, unsigned long size);
- unsigned long (*get_rr)(unsigned long index);
- void (*set_rr)(unsigned long index, unsigned long val);
- void (*set_rr0_to_rr4)(unsigned long val0, unsigned long val1,
- unsigned long val2, unsigned long val3,
- unsigned long val4);
- void (*ssm_i)(void);
- void (*rsm_i)(void);
- unsigned long (*get_psr_i)(void);
- void (*intrin_local_irq_restore)(unsigned long flags);
-};
-
-extern struct pv_cpu_ops pv_cpu_ops;
-
-extern void ia64_native_setreg_func(int regnum, unsigned long val);
-extern unsigned long ia64_native_getreg_func(int regnum);
-
-/************************************************/
-/* Instructions paravirtualized for performance */
-/************************************************/
-
-#ifndef ASM_SUPPORTED
-#define paravirt_ssm_i() pv_cpu_ops.ssm_i()
-#define paravirt_rsm_i() pv_cpu_ops.rsm_i()
-#define __paravirt_getreg() pv_cpu_ops.getreg()
-#endif
-
-/* mask for ia64_native_ssm/rsm() must be constant.("i" constraing).
- * static inline function doesn't satisfy it. */
-#define paravirt_ssm(mask) \
- do { \
- if ((mask) == IA64_PSR_I) \
- paravirt_ssm_i(); \
- else \
- ia64_native_ssm(mask); \
- } while (0)
-
-#define paravirt_rsm(mask) \
- do { \
- if ((mask) == IA64_PSR_I) \
- paravirt_rsm_i(); \
- else \
- ia64_native_rsm(mask); \
- } while (0)
-
-/* returned ip value should be the one in the caller,
- * not in __paravirt_getreg() */
-#define paravirt_getreg(reg) \
- ({ \
- unsigned long res; \
- if ((reg) == _IA64_REG_IP) \
- res = ia64_native_getreg(_IA64_REG_IP); \
- else \
- res = __paravirt_getreg(reg); \
- res; \
- })
-
-/******************************************************************************
- * replacement of hand written assembly codes.
- */
-struct pv_cpu_asm_switch {
- unsigned long switch_to;
- unsigned long leave_syscall;
- unsigned long work_processed_syscall;
- unsigned long leave_kernel;
-};
-void paravirt_cpu_asm_init(const struct pv_cpu_asm_switch *cpu_asm_switch);
-
-#endif /* __ASSEMBLY__ */
-
-#define IA64_PARAVIRT_ASM_FUNC(name) paravirt_ ## name
-
-#else
-
-/* fallback for native case */
-#define IA64_PARAVIRT_ASM_FUNC(name) ia64_native_ ## name
-
-#endif /* CONFIG_PARAVIRT */
-
-#if defined(CONFIG_PARAVIRT) && defined(ASM_SUPPORTED)
-#define paravirt_dv_serialize_data() ia64_dv_serialize_data()
-#else
-#define paravirt_dv_serialize_data() /* nothing */
-#endif
-
-/* these routines utilize privilege-sensitive or performance-sensitive
- * privileged instructions so the code must be replaced with
- * paravirtualized versions */
-#define ia64_switch_to IA64_PARAVIRT_ASM_FUNC(switch_to)
-#define ia64_leave_syscall IA64_PARAVIRT_ASM_FUNC(leave_syscall)
-#define ia64_work_processed_syscall \
- IA64_PARAVIRT_ASM_FUNC(work_processed_syscall)
-#define ia64_leave_kernel IA64_PARAVIRT_ASM_FUNC(leave_kernel)
-
-
-#if defined(CONFIG_PARAVIRT)
-/******************************************************************************
- * binary patching infrastructure
- */
-#define PARAVIRT_PATCH_TYPE_FC 1
-#define PARAVIRT_PATCH_TYPE_THASH 2
-#define PARAVIRT_PATCH_TYPE_GET_CPUID 3
-#define PARAVIRT_PATCH_TYPE_GET_PMD 4
-#define PARAVIRT_PATCH_TYPE_PTCGA 5
-#define PARAVIRT_PATCH_TYPE_GET_RR 6
-#define PARAVIRT_PATCH_TYPE_SET_RR 7
-#define PARAVIRT_PATCH_TYPE_SET_RR0_TO_RR4 8
-#define PARAVIRT_PATCH_TYPE_SSM_I 9
-#define PARAVIRT_PATCH_TYPE_RSM_I 10
-#define PARAVIRT_PATCH_TYPE_GET_PSR_I 11
-#define PARAVIRT_PATCH_TYPE_INTRIN_LOCAL_IRQ_RESTORE 12
-
-/* PARAVIRT_PATY_TYPE_[GS]ETREG + _IA64_REG_xxx */
-#define PARAVIRT_PATCH_TYPE_GETREG 0x10000000
-#define PARAVIRT_PATCH_TYPE_SETREG 0x20000000
-
-/*
- * struct task_struct* (*ia64_switch_to)(void* next_task);
- * void *ia64_leave_syscall;
- * void *ia64_work_processed_syscall
- * void *ia64_leave_kernel;
- */
-
-#define PARAVIRT_PATCH_TYPE_BR_START 0x30000000
-#define PARAVIRT_PATCH_TYPE_BR_SWITCH_TO \
- (PARAVIRT_PATCH_TYPE_BR_START + 0)
-#define PARAVIRT_PATCH_TYPE_BR_LEAVE_SYSCALL \
- (PARAVIRT_PATCH_TYPE_BR_START + 1)
-#define PARAVIRT_PATCH_TYPE_BR_WORK_PROCESSED_SYSCALL \
- (PARAVIRT_PATCH_TYPE_BR_START + 2)
-#define PARAVIRT_PATCH_TYPE_BR_LEAVE_KERNEL \
- (PARAVIRT_PATCH_TYPE_BR_START + 3)
-
-#ifdef ASM_SUPPORTED
-#include <asm/paravirt_patch.h>
-
-/*
- * pv_cpu_ops calling stub.
- * normal function call convension can't be written by gcc
- * inline assembly.
- *
- * from the caller's point of view,
- * the following registers will be clobbered.
- * r2, r3
- * r8-r15
- * r16, r17
- * b6, b7
- * p6-p15
- * ar.ccv
- *
- * from the callee's point of view ,
- * the following registers can be used.
- * r2, r3: scratch
- * r8: scratch, input argument0 and return value
- * r0-r15: scratch, input argument1-5
- * b6: return pointer
- * b7: scratch
- * p6-p15: scratch
- * ar.ccv: scratch
- *
- * other registers must not be changed. especially
- * b0: rp: preserved. gcc ignores b0 in clobbered register.
- * r16: saved gp
- */
-/* 5 bundles */
-#define __PARAVIRT_BR \
- ";;\n" \
- "{ .mlx\n" \
- "nop 0\n" \
- "movl r2 = %[op_addr]\n"/* get function pointer address */ \
- ";;\n" \
- "}\n" \
- "1:\n" \
- "{ .mii\n" \
- "ld8 r2 = [r2]\n" /* load function descriptor address */ \
- "mov r17 = ip\n" /* get ip to calc return address */ \
- "mov r16 = gp\n" /* save gp */ \
- ";;\n" \
- "}\n" \
- "{ .mii\n" \
- "ld8 r3 = [r2], 8\n" /* load entry address */ \
- "adds r17 = 1f - 1b, r17\n" /* calculate return address */ \
- ";;\n" \
- "mov b7 = r3\n" /* set entry address */ \
- "}\n" \
- "{ .mib\n" \
- "ld8 gp = [r2]\n" /* load gp value */ \
- "mov b6 = r17\n" /* set return address */ \
- "br.cond.sptk.few b7\n" /* intrinsics are very short isns */ \
- "}\n" \
- "1:\n" \
- "{ .mii\n" \
- "mov gp = r16\n" /* restore gp value */ \
- "nop 0\n" \
- "nop 0\n" \
- ";;\n" \
- "}\n"
-
-#define PARAVIRT_OP(op) \
- [op_addr] "i"(&pv_cpu_ops.op)
-
-#define PARAVIRT_TYPE(type) \
- PARAVIRT_PATCH_TYPE_ ## type
-
-#define PARAVIRT_REG_CLOBBERS0 \
- "r2", "r3", /*"r8",*/ "r9", "r10", "r11", "r14", \
- "r15", "r16", "r17"
-
-#define PARAVIRT_REG_CLOBBERS1 \
- "r2","r3", /*"r8",*/ "r9", "r10", "r11", "r14", \
- "r15", "r16", "r17"
-
-#define PARAVIRT_REG_CLOBBERS2 \
- "r2", "r3", /*"r8", "r9",*/ "r10", "r11", "r14", \
- "r15", "r16", "r17"
-
-#define PARAVIRT_REG_CLOBBERS5 \
- "r2", "r3", /*"r8", "r9", "r10", "r11", "r14",*/ \
- "r15", "r16", "r17"
-
-#define PARAVIRT_BR_CLOBBERS \
- "b6", "b7"
-
-#define PARAVIRT_PR_CLOBBERS \
- "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15"
-
-#define PARAVIRT_AR_CLOBBERS \
- "ar.ccv"
-
-#define PARAVIRT_CLOBBERS0 \
- PARAVIRT_REG_CLOBBERS0, \
- PARAVIRT_BR_CLOBBERS, \
- PARAVIRT_PR_CLOBBERS, \
- PARAVIRT_AR_CLOBBERS, \
- "memory"
-
-#define PARAVIRT_CLOBBERS1 \
- PARAVIRT_REG_CLOBBERS1, \
- PARAVIRT_BR_CLOBBERS, \
- PARAVIRT_PR_CLOBBERS, \
- PARAVIRT_AR_CLOBBERS, \
- "memory"
-
-#define PARAVIRT_CLOBBERS2 \
- PARAVIRT_REG_CLOBBERS2, \
- PARAVIRT_BR_CLOBBERS, \
- PARAVIRT_PR_CLOBBERS, \
- PARAVIRT_AR_CLOBBERS, \
- "memory"
-
-#define PARAVIRT_CLOBBERS5 \
- PARAVIRT_REG_CLOBBERS5, \
- PARAVIRT_BR_CLOBBERS, \
- PARAVIRT_PR_CLOBBERS, \
- PARAVIRT_AR_CLOBBERS, \
- "memory"
-
-#define PARAVIRT_BR0(op, type) \
- register unsigned long ia64_clobber asm ("r8"); \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(type)) \
- : "=r"(ia64_clobber) \
- : PARAVIRT_OP(op) \
- : PARAVIRT_CLOBBERS0)
-
-#define PARAVIRT_BR0_RET(op, type) \
- register unsigned long ia64_intri_res asm ("r8"); \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(type)) \
- : "=r"(ia64_intri_res) \
- : PARAVIRT_OP(op) \
- : PARAVIRT_CLOBBERS0)
-
-#define PARAVIRT_BR1(op, type, arg1) \
- register unsigned long __##arg1 asm ("r8") = arg1; \
- register unsigned long ia64_clobber asm ("r8"); \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(type)) \
- : "=r"(ia64_clobber) \
- : PARAVIRT_OP(op), "0"(__##arg1) \
- : PARAVIRT_CLOBBERS1)
-
-#define PARAVIRT_BR1_RET(op, type, arg1) \
- register unsigned long ia64_intri_res asm ("r8"); \
- register unsigned long __##arg1 asm ("r8") = arg1; \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(type)) \
- : "=r"(ia64_intri_res) \
- : PARAVIRT_OP(op), "0"(__##arg1) \
- : PARAVIRT_CLOBBERS1)
-
-#define PARAVIRT_BR1_VOID(op, type, arg1) \
- register void *__##arg1 asm ("r8") = arg1; \
- register unsigned long ia64_clobber asm ("r8"); \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(type)) \
- : "=r"(ia64_clobber) \
- : PARAVIRT_OP(op), "0"(__##arg1) \
- : PARAVIRT_CLOBBERS1)
-
-#define PARAVIRT_BR2(op, type, arg1, arg2) \
- register unsigned long __##arg1 asm ("r8") = arg1; \
- register unsigned long __##arg2 asm ("r9") = arg2; \
- register unsigned long ia64_clobber1 asm ("r8"); \
- register unsigned long ia64_clobber2 asm ("r9"); \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(type)) \
- : "=r"(ia64_clobber1), "=r"(ia64_clobber2) \
- : PARAVIRT_OP(op), "0"(__##arg1), "1"(__##arg2) \
- : PARAVIRT_CLOBBERS2)
-
-
-#define PARAVIRT_DEFINE_CPU_OP0(op, type) \
- static inline void \
- paravirt_ ## op (void) \
- { \
- PARAVIRT_BR0(op, type); \
- }
-
-#define PARAVIRT_DEFINE_CPU_OP0_RET(op, type) \
- static inline unsigned long \
- paravirt_ ## op (void) \
- { \
- PARAVIRT_BR0_RET(op, type); \
- return ia64_intri_res; \
- }
-
-#define PARAVIRT_DEFINE_CPU_OP1_VOID(op, type) \
- static inline void \
- paravirt_ ## op (void *arg1) \
- { \
- PARAVIRT_BR1_VOID(op, type, arg1); \
- }
-
-#define PARAVIRT_DEFINE_CPU_OP1(op, type) \
- static inline void \
- paravirt_ ## op (unsigned long arg1) \
- { \
- PARAVIRT_BR1(op, type, arg1); \
- }
-
-#define PARAVIRT_DEFINE_CPU_OP1_RET(op, type) \
- static inline unsigned long \
- paravirt_ ## op (unsigned long arg1) \
- { \
- PARAVIRT_BR1_RET(op, type, arg1); \
- return ia64_intri_res; \
- }
-
-#define PARAVIRT_DEFINE_CPU_OP2(op, type) \
- static inline void \
- paravirt_ ## op (unsigned long arg1, \
- unsigned long arg2) \
- { \
- PARAVIRT_BR2(op, type, arg1, arg2); \
- }
-
-
-PARAVIRT_DEFINE_CPU_OP1_VOID(fc, FC);
-PARAVIRT_DEFINE_CPU_OP1_RET(thash, THASH)
-PARAVIRT_DEFINE_CPU_OP1_RET(get_cpuid, GET_CPUID)
-PARAVIRT_DEFINE_CPU_OP1_RET(get_pmd, GET_PMD)
-PARAVIRT_DEFINE_CPU_OP2(ptcga, PTCGA)
-PARAVIRT_DEFINE_CPU_OP1_RET(get_rr, GET_RR)
-PARAVIRT_DEFINE_CPU_OP2(set_rr, SET_RR)
-PARAVIRT_DEFINE_CPU_OP0(ssm_i, SSM_I)
-PARAVIRT_DEFINE_CPU_OP0(rsm_i, RSM_I)
-PARAVIRT_DEFINE_CPU_OP0_RET(get_psr_i, GET_PSR_I)
-PARAVIRT_DEFINE_CPU_OP1(intrin_local_irq_restore, INTRIN_LOCAL_IRQ_RESTORE)
-
-static inline void
-paravirt_set_rr0_to_rr4(unsigned long val0, unsigned long val1,
- unsigned long val2, unsigned long val3,
- unsigned long val4)
-{
- register unsigned long __val0 asm ("r8") = val0;
- register unsigned long __val1 asm ("r9") = val1;
- register unsigned long __val2 asm ("r10") = val2;
- register unsigned long __val3 asm ("r11") = val3;
- register unsigned long __val4 asm ("r14") = val4;
-
- register unsigned long ia64_clobber0 asm ("r8");
- register unsigned long ia64_clobber1 asm ("r9");
- register unsigned long ia64_clobber2 asm ("r10");
- register unsigned long ia64_clobber3 asm ("r11");
- register unsigned long ia64_clobber4 asm ("r14");
-
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR,
- PARAVIRT_TYPE(SET_RR0_TO_RR4))
- : "=r"(ia64_clobber0),
- "=r"(ia64_clobber1),
- "=r"(ia64_clobber2),
- "=r"(ia64_clobber3),
- "=r"(ia64_clobber4)
- : PARAVIRT_OP(set_rr0_to_rr4),
- "0"(__val0), "1"(__val1), "2"(__val2),
- "3"(__val3), "4"(__val4)
- : PARAVIRT_CLOBBERS5);
-}
-
-/* unsigned long paravirt_getreg(int reg) */
-#define __paravirt_getreg(reg) \
- ({ \
- register unsigned long ia64_intri_res asm ("r8"); \
- register unsigned long __reg asm ("r8") = (reg); \
- \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(GETREG) \
- + (reg)) \
- : "=r"(ia64_intri_res) \
- : PARAVIRT_OP(getreg), "0"(__reg) \
- : PARAVIRT_CLOBBERS1); \
- \
- ia64_intri_res; \
- })
-
-/* void paravirt_setreg(int reg, unsigned long val) */
-#define paravirt_setreg(reg, val) \
- do { \
- register unsigned long __val asm ("r8") = val; \
- register unsigned long __reg asm ("r9") = reg; \
- register unsigned long ia64_clobber1 asm ("r8"); \
- register unsigned long ia64_clobber2 asm ("r9"); \
- \
- asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \
- PARAVIRT_TYPE(SETREG) \
- + (reg)) \
- : "=r"(ia64_clobber1), \
- "=r"(ia64_clobber2) \
- : PARAVIRT_OP(setreg), \
- "1"(__reg), "0"(__val) \
- : PARAVIRT_CLOBBERS2); \
- } while (0)
-
-#endif /* ASM_SUPPORTED */
-#endif /* CONFIG_PARAVIRT && ASM_SUPPOTED */
-
-#endif /* _ASM_IA64_PARAVIRT_PRIVOP_H */