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Diffstat (limited to 'arch/ia64/kvm/vcpu.c')
-rw-r--r--arch/ia64/kvm/vcpu.c2209
1 files changed, 0 insertions, 2209 deletions
diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c
deleted file mode 100644
index 958815c9787d..000000000000
--- a/arch/ia64/kvm/vcpu.c
+++ /dev/null
@@ -1,2209 +0,0 @@
-/*
- * kvm_vcpu.c: handling all virtual cpu related thing.
- * Copyright (c) 2005, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * Shaofan Li (Susue Li) <susie.li@intel.com>
- * Yaozu Dong (Eddie Dong) (Eddie.dong@intel.com)
- * Xuefei Xu (Anthony Xu) (Anthony.xu@intel.com)
- * Xiantao Zhang <xiantao.zhang@intel.com>
- */
-
-#include <linux/kvm_host.h>
-#include <linux/types.h>
-
-#include <asm/processor.h>
-#include <asm/ia64regs.h>
-#include <asm/gcc_intrin.h>
-#include <asm/kregs.h>
-#include <asm/pgtable.h>
-#include <asm/tlb.h>
-
-#include "asm-offsets.h"
-#include "vcpu.h"
-
-/*
- * Special notes:
- * - Index by it/dt/rt sequence
- * - Only existing mode transitions are allowed in this table
- * - RSE is placed at lazy mode when emulating guest partial mode
- * - If gva happens to be rr0 and rr4, only allowed case is identity
- * mapping (gva=gpa), or panic! (How?)
- */
-int mm_switch_table[8][8] = {
- /* 2004/09/12(Kevin): Allow switch to self */
- /*
- * (it,dt,rt): (0,0,0) -> (1,1,1)
- * This kind of transition usually occurs in the very early
- * stage of Linux boot up procedure. Another case is in efi
- * and pal calls. (see "arch/ia64/kernel/head.S")
- *
- * (it,dt,rt): (0,0,0) -> (0,1,1)
- * This kind of transition is found when OSYa exits efi boot
- * service. Due to gva = gpa in this case (Same region),
- * data access can be satisfied though itlb entry for physical
- * emulation is hit.
- */
- {SW_SELF, 0, 0, SW_NOP, 0, 0, 0, SW_P2V},
- {0, 0, 0, 0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0, 0, 0, 0},
- /*
- * (it,dt,rt): (0,1,1) -> (1,1,1)
- * This kind of transition is found in OSYa.
- *
- * (it,dt,rt): (0,1,1) -> (0,0,0)
- * This kind of transition is found in OSYa
- */
- {SW_NOP, 0, 0, SW_SELF, 0, 0, 0, SW_P2V},
- /* (1,0,0)->(1,1,1) */
- {0, 0, 0, 0, 0, 0, 0, SW_P2V},
- /*
- * (it,dt,rt): (1,0,1) -> (1,1,1)
- * This kind of transition usually occurs when Linux returns
- * from the low level TLB miss handlers.
- * (see "arch/ia64/kernel/ivt.S")
- */
- {0, 0, 0, 0, 0, SW_SELF, 0, SW_P2V},
- {0, 0, 0, 0, 0, 0, 0, 0},
- /*
- * (it,dt,rt): (1,1,1) -> (1,0,1)
- * This kind of transition usually occurs in Linux low level
- * TLB miss handler. (see "arch/ia64/kernel/ivt.S")
- *
- * (it,dt,rt): (1,1,1) -> (0,0,0)
- * This kind of transition usually occurs in pal and efi calls,
- * which requires running in physical mode.
- * (see "arch/ia64/kernel/head.S")
- * (1,1,1)->(1,0,0)
- */
-
- {SW_V2P, 0, 0, 0, SW_V2P, SW_V2P, 0, SW_SELF},
-};
-
-void physical_mode_init(struct kvm_vcpu *vcpu)
-{
- vcpu->arch.mode_flags = GUEST_IN_PHY;
-}
-
-void switch_to_physical_rid(struct kvm_vcpu *vcpu)
-{
- unsigned long psr;
-
- /* Save original virtual mode rr[0] and rr[4] */
- psr = ia64_clear_ic();
- ia64_set_rr(VRN0<<VRN_SHIFT, vcpu->arch.metaphysical_rr0);
- ia64_srlz_d();
- ia64_set_rr(VRN4<<VRN_SHIFT, vcpu->arch.metaphysical_rr4);
- ia64_srlz_d();
-
- ia64_set_psr(psr);
- return;
-}
-
-void switch_to_virtual_rid(struct kvm_vcpu *vcpu)
-{
- unsigned long psr;
-
- psr = ia64_clear_ic();
- ia64_set_rr(VRN0 << VRN_SHIFT, vcpu->arch.metaphysical_saved_rr0);
- ia64_srlz_d();
- ia64_set_rr(VRN4 << VRN_SHIFT, vcpu->arch.metaphysical_saved_rr4);
- ia64_srlz_d();
- ia64_set_psr(psr);
- return;
-}
-
-static int mm_switch_action(struct ia64_psr opsr, struct ia64_psr npsr)
-{
- return mm_switch_table[MODE_IND(opsr)][MODE_IND(npsr)];
-}
-
-void switch_mm_mode(struct kvm_vcpu *vcpu, struct ia64_psr old_psr,
- struct ia64_psr new_psr)
-{
- int act;
- act = mm_switch_action(old_psr, new_psr);
- switch (act) {
- case SW_V2P:
- /*printk("V -> P mode transition: (0x%lx -> 0x%lx)\n",
- old_psr.val, new_psr.val);*/
- switch_to_physical_rid(vcpu);
- /*
- * Set rse to enforced lazy, to prevent active rse
- *save/restor when guest physical mode.
- */
- vcpu->arch.mode_flags |= GUEST_IN_PHY;
- break;
- case SW_P2V:
- switch_to_virtual_rid(vcpu);
- /*
- * recover old mode which is saved when entering
- * guest physical mode
- */
- vcpu->arch.mode_flags &= ~GUEST_IN_PHY;
- break;
- case SW_SELF:
- break;
- case SW_NOP:
- break;
- default:
- /* Sanity check */
- break;
- }
- return;
-}
-
-/*
- * In physical mode, insert tc/tr for region 0 and 4 uses
- * RID[0] and RID[4] which is for physical mode emulation.
- * However what those inserted tc/tr wants is rid for
- * virtual mode. So original virtual rid needs to be restored
- * before insert.
- *
- * Operations which required such switch include:
- * - insertions (itc.*, itr.*)
- * - purges (ptc.* and ptr.*)
- * - tpa
- * - tak
- * - thash?, ttag?
- * All above needs actual virtual rid for destination entry.
- */
-
-void check_mm_mode_switch(struct kvm_vcpu *vcpu, struct ia64_psr old_psr,
- struct ia64_psr new_psr)
-{
-
- if ((old_psr.dt != new_psr.dt)
- || (old_psr.it != new_psr.it)
- || (old_psr.rt != new_psr.rt))
- switch_mm_mode(vcpu, old_psr, new_psr);
-
- return;
-}
-
-
-/*
- * In physical mode, insert tc/tr for region 0 and 4 uses
- * RID[0] and RID[4] which is for physical mode emulation.
- * However what those inserted tc/tr wants is rid for
- * virtual mode. So original virtual rid needs to be restored
- * before insert.
- *
- * Operations which required such switch include:
- * - insertions (itc.*, itr.*)
- * - purges (ptc.* and ptr.*)
- * - tpa
- * - tak
- * - thash?, ttag?
- * All above needs actual virtual rid for destination entry.
- */
-
-void prepare_if_physical_mode(struct kvm_vcpu *vcpu)
-{
- if (is_physical_mode(vcpu)) {
- vcpu->arch.mode_flags |= GUEST_PHY_EMUL;
- switch_to_virtual_rid(vcpu);
- }
- return;
-}
-
-/* Recover always follows prepare */
-void recover_if_physical_mode(struct kvm_vcpu *vcpu)
-{
- if (is_physical_mode(vcpu))
- switch_to_physical_rid(vcpu);
- vcpu->arch.mode_flags &= ~GUEST_PHY_EMUL;
- return;
-}
-
-#define RPT(x) ((u16) &((struct kvm_pt_regs *)0)->x)
-
-static u16 gr_info[32] = {
- 0, /* r0 is read-only : WE SHOULD NEVER GET THIS */
- RPT(r1), RPT(r2), RPT(r3),
- RPT(r4), RPT(r5), RPT(r6), RPT(r7),
- RPT(r8), RPT(r9), RPT(r10), RPT(r11),
- RPT(r12), RPT(r13), RPT(r14), RPT(r15),
- RPT(r16), RPT(r17), RPT(r18), RPT(r19),
- RPT(r20), RPT(r21), RPT(r22), RPT(r23),
- RPT(r24), RPT(r25), RPT(r26), RPT(r27),
- RPT(r28), RPT(r29), RPT(r30), RPT(r31)
-};
-
-#define IA64_FIRST_STACKED_GR 32
-#define IA64_FIRST_ROTATING_FR 32
-
-static inline unsigned long
-rotate_reg(unsigned long sor, unsigned long rrb, unsigned long reg)
-{
- reg += rrb;
- if (reg >= sor)
- reg -= sor;
- return reg;
-}
-
-/*
- * Return the (rotated) index for floating point register
- * be in the REGNUM (REGNUM must range from 32-127,
- * result is in the range from 0-95.
- */
-static inline unsigned long fph_index(struct kvm_pt_regs *regs,
- long regnum)
-{
- unsigned long rrb_fr = (regs->cr_ifs >> 25) & 0x7f;
- return rotate_reg(96, rrb_fr, (regnum - IA64_FIRST_ROTATING_FR));
-}
-
-/*
- * The inverse of the above: given bspstore and the number of
- * registers, calculate ar.bsp.
- */
-static inline unsigned long *kvm_rse_skip_regs(unsigned long *addr,
- long num_regs)
-{
- long delta = ia64_rse_slot_num(addr) + num_regs;
- int i = 0;
-
- if (num_regs < 0)
- delta -= 0x3e;
- if (delta < 0) {
- while (delta <= -0x3f) {
- i--;
- delta += 0x3f;
- }
- } else {
- while (delta >= 0x3f) {
- i++;
- delta -= 0x3f;
- }
- }
-
- return addr + num_regs + i;
-}
-
-static void get_rse_reg(struct kvm_pt_regs *regs, unsigned long r1,
- unsigned long *val, int *nat)
-{
- unsigned long *bsp, *addr, *rnat_addr, *bspstore;
- unsigned long *kbs = (void *) current_vcpu + VMM_RBS_OFFSET;
- unsigned long nat_mask;
- unsigned long old_rsc, new_rsc;
- long sof = (regs->cr_ifs) & 0x7f;
- long sor = (((regs->cr_ifs >> 14) & 0xf) << 3);
- long rrb_gr = (regs->cr_ifs >> 18) & 0x7f;
- long ridx = r1 - 32;
-
- if (ridx < sor)
- ridx = rotate_reg(sor, rrb_gr, ridx);
-
- old_rsc = ia64_getreg(_IA64_REG_AR_RSC);
- new_rsc = old_rsc&(~(0x3));
- ia64_setreg(_IA64_REG_AR_RSC, new_rsc);
-
- bspstore = (unsigned long *)ia64_getreg(_IA64_REG_AR_BSPSTORE);
- bsp = kbs + (regs->loadrs >> 19);
-
- addr = kvm_rse_skip_regs(bsp, -sof + ridx);
- nat_mask = 1UL << ia64_rse_slot_num(addr);
- rnat_addr = ia64_rse_rnat_addr(addr);
-
- if (addr >= bspstore) {
- ia64_flushrs();
- ia64_mf();
- bspstore = (unsigned long *)ia64_getreg(_IA64_REG_AR_BSPSTORE);
- }
- *val = *addr;
- if (nat) {
- if (bspstore < rnat_addr)
- *nat = (int)!!(ia64_getreg(_IA64_REG_AR_RNAT)
- & nat_mask);
- else
- *nat = (int)!!((*rnat_addr) & nat_mask);
- ia64_setreg(_IA64_REG_AR_RSC, old_rsc);
- }
-}
-
-void set_rse_reg(struct kvm_pt_regs *regs, unsigned long r1,
- unsigned long val, unsigned long nat)
-{
- unsigned long *bsp, *bspstore, *addr, *rnat_addr;
- unsigned long *kbs = (void *) current_vcpu + VMM_RBS_OFFSET;
- unsigned long nat_mask;
- unsigned long old_rsc, new_rsc, psr;
- unsigned long rnat;
- long sof = (regs->cr_ifs) & 0x7f;
- long sor = (((regs->cr_ifs >> 14) & 0xf) << 3);
- long rrb_gr = (regs->cr_ifs >> 18) & 0x7f;
- long ridx = r1 - 32;
-
- if (ridx < sor)
- ridx = rotate_reg(sor, rrb_gr, ridx);
-
- old_rsc = ia64_getreg(_IA64_REG_AR_RSC);
- /* put RSC to lazy mode, and set loadrs 0 */
- new_rsc = old_rsc & (~0x3fff0003);
- ia64_setreg(_IA64_REG_AR_RSC, new_rsc);
- bsp = kbs + (regs->loadrs >> 19); /* 16 + 3 */
-
- addr = kvm_rse_skip_regs(bsp, -sof + ridx);
- nat_mask = 1UL << ia64_rse_slot_num(addr);
- rnat_addr = ia64_rse_rnat_addr(addr);
-
- local_irq_save(psr);
- bspstore = (unsigned long *)ia64_getreg(_IA64_REG_AR_BSPSTORE);
- if (addr >= bspstore) {
-
- ia64_flushrs();
- ia64_mf();
- *addr = val;
- bspstore = (unsigned long *)ia64_getreg(_IA64_REG_AR_BSPSTORE);
- rnat = ia64_getreg(_IA64_REG_AR_RNAT);
- if (bspstore < rnat_addr)
- rnat = rnat & (~nat_mask);
- else
- *rnat_addr = (*rnat_addr)&(~nat_mask);
-
- ia64_mf();
- ia64_loadrs();
- ia64_setreg(_IA64_REG_AR_RNAT, rnat);
- } else {
- rnat = ia64_getreg(_IA64_REG_AR_RNAT);
- *addr = val;
- if (bspstore < rnat_addr)
- rnat = rnat&(~nat_mask);
- else
- *rnat_addr = (*rnat_addr) & (~nat_mask);
-
- ia64_setreg(_IA64_REG_AR_BSPSTORE, (unsigned long)bspstore);
- ia64_setreg(_IA64_REG_AR_RNAT, rnat);
- }
- local_irq_restore(psr);
- ia64_setreg(_IA64_REG_AR_RSC, old_rsc);
-}
-
-void getreg(unsigned long regnum, unsigned long *val,
- int *nat, struct kvm_pt_regs *regs)
-{
- unsigned long addr, *unat;
- if (regnum >= IA64_FIRST_STACKED_GR) {
- get_rse_reg(regs, regnum, val, nat);
- return;
- }
-
- /*
- * Now look at registers in [0-31] range and init correct UNAT
- */
- addr = (unsigned long)regs;
- unat = &regs->eml_unat;
-
- addr += gr_info[regnum];
-
- *val = *(unsigned long *)addr;
- /*
- * do it only when requested
- */
- if (nat)
- *nat = (*unat >> ((addr >> 3) & 0x3f)) & 0x1UL;
-}
-
-void setreg(unsigned long regnum, unsigned long val,
- int nat, struct kvm_pt_regs *regs)
-{
- unsigned long addr;
- unsigned long bitmask;
- unsigned long *unat;
-
- /*
- * First takes care of stacked registers
- */
- if (regnum >= IA64_FIRST_STACKED_GR) {
- set_rse_reg(regs, regnum, val, nat);
- return;
- }
-
- /*
- * Now look at registers in [0-31] range and init correct UNAT
- */
- addr = (unsigned long)regs;
- unat = &regs->eml_unat;
- /*
- * add offset from base of struct
- * and do it !
- */
- addr += gr_info[regnum];
-
- *(unsigned long *)addr = val;
-
- /*
- * We need to clear the corresponding UNAT bit to fully emulate the load
- * UNAT bit_pos = GR[r3]{8:3} form EAS-2.4
- */
- bitmask = 1UL << ((addr >> 3) & 0x3f);
- if (nat)
- *unat |= bitmask;
- else
- *unat &= ~bitmask;
-
-}
-
-u64 vcpu_get_gr(struct kvm_vcpu *vcpu, unsigned long reg)
-{
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- unsigned long val;
-
- if (!reg)
- return 0;
- getreg(reg, &val, 0, regs);
- return val;
-}
-
-void vcpu_set_gr(struct kvm_vcpu *vcpu, unsigned long reg, u64 value, int nat)
-{
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- long sof = (regs->cr_ifs) & 0x7f;
-
- if (!reg)
- return;
- if (reg >= sof + 32)
- return;
- setreg(reg, value, nat, regs); /* FIXME: handle NATs later*/
-}
-
-void getfpreg(unsigned long regnum, struct ia64_fpreg *fpval,
- struct kvm_pt_regs *regs)
-{
- /* Take floating register rotation into consideration*/
- if (regnum >= IA64_FIRST_ROTATING_FR)
- regnum = IA64_FIRST_ROTATING_FR + fph_index(regs, regnum);
-#define CASE_FIXED_FP(reg) \
- case (reg) : \
- ia64_stf_spill(fpval, reg); \
- break
-
- switch (regnum) {
- CASE_FIXED_FP(0);
- CASE_FIXED_FP(1);
- CASE_FIXED_FP(2);
- CASE_FIXED_FP(3);
- CASE_FIXED_FP(4);
- CASE_FIXED_FP(5);
-
- CASE_FIXED_FP(6);
- CASE_FIXED_FP(7);
- CASE_FIXED_FP(8);
- CASE_FIXED_FP(9);
- CASE_FIXED_FP(10);
- CASE_FIXED_FP(11);
-
- CASE_FIXED_FP(12);
- CASE_FIXED_FP(13);
- CASE_FIXED_FP(14);
- CASE_FIXED_FP(15);
- CASE_FIXED_FP(16);
- CASE_FIXED_FP(17);
- CASE_FIXED_FP(18);
- CASE_FIXED_FP(19);
- CASE_FIXED_FP(20);
- CASE_FIXED_FP(21);
- CASE_FIXED_FP(22);
- CASE_FIXED_FP(23);
- CASE_FIXED_FP(24);
- CASE_FIXED_FP(25);
- CASE_FIXED_FP(26);
- CASE_FIXED_FP(27);
- CASE_FIXED_FP(28);
- CASE_FIXED_FP(29);
- CASE_FIXED_FP(30);
- CASE_FIXED_FP(31);
- CASE_FIXED_FP(32);
- CASE_FIXED_FP(33);
- CASE_FIXED_FP(34);
- CASE_FIXED_FP(35);
- CASE_FIXED_FP(36);
- CASE_FIXED_FP(37);
- CASE_FIXED_FP(38);
- CASE_FIXED_FP(39);
- CASE_FIXED_FP(40);
- CASE_FIXED_FP(41);
- CASE_FIXED_FP(42);
- CASE_FIXED_FP(43);
- CASE_FIXED_FP(44);
- CASE_FIXED_FP(45);
- CASE_FIXED_FP(46);
- CASE_FIXED_FP(47);
- CASE_FIXED_FP(48);
- CASE_FIXED_FP(49);
- CASE_FIXED_FP(50);
- CASE_FIXED_FP(51);
- CASE_FIXED_FP(52);
- CASE_FIXED_FP(53);
- CASE_FIXED_FP(54);
- CASE_FIXED_FP(55);
- CASE_FIXED_FP(56);
- CASE_FIXED_FP(57);
- CASE_FIXED_FP(58);
- CASE_FIXED_FP(59);
- CASE_FIXED_FP(60);
- CASE_FIXED_FP(61);
- CASE_FIXED_FP(62);
- CASE_FIXED_FP(63);
- CASE_FIXED_FP(64);
- CASE_FIXED_FP(65);
- CASE_FIXED_FP(66);
- CASE_FIXED_FP(67);
- CASE_FIXED_FP(68);
- CASE_FIXED_FP(69);
- CASE_FIXED_FP(70);
- CASE_FIXED_FP(71);
- CASE_FIXED_FP(72);
- CASE_FIXED_FP(73);
- CASE_FIXED_FP(74);
- CASE_FIXED_FP(75);
- CASE_FIXED_FP(76);
- CASE_FIXED_FP(77);
- CASE_FIXED_FP(78);
- CASE_FIXED_FP(79);
- CASE_FIXED_FP(80);
- CASE_FIXED_FP(81);
- CASE_FIXED_FP(82);
- CASE_FIXED_FP(83);
- CASE_FIXED_FP(84);
- CASE_FIXED_FP(85);
- CASE_FIXED_FP(86);
- CASE_FIXED_FP(87);
- CASE_FIXED_FP(88);
- CASE_FIXED_FP(89);
- CASE_FIXED_FP(90);
- CASE_FIXED_FP(91);
- CASE_FIXED_FP(92);
- CASE_FIXED_FP(93);
- CASE_FIXED_FP(94);
- CASE_FIXED_FP(95);
- CASE_FIXED_FP(96);
- CASE_FIXED_FP(97);
- CASE_FIXED_FP(98);
- CASE_FIXED_FP(99);
- CASE_FIXED_FP(100);
- CASE_FIXED_FP(101);
- CASE_FIXED_FP(102);
- CASE_FIXED_FP(103);
- CASE_FIXED_FP(104);
- CASE_FIXED_FP(105);
- CASE_FIXED_FP(106);
- CASE_FIXED_FP(107);
- CASE_FIXED_FP(108);
- CASE_FIXED_FP(109);
- CASE_FIXED_FP(110);
- CASE_FIXED_FP(111);
- CASE_FIXED_FP(112);
- CASE_FIXED_FP(113);
- CASE_FIXED_FP(114);
- CASE_FIXED_FP(115);
- CASE_FIXED_FP(116);
- CASE_FIXED_FP(117);
- CASE_FIXED_FP(118);
- CASE_FIXED_FP(119);
- CASE_FIXED_FP(120);
- CASE_FIXED_FP(121);
- CASE_FIXED_FP(122);
- CASE_FIXED_FP(123);
- CASE_FIXED_FP(124);
- CASE_FIXED_FP(125);
- CASE_FIXED_FP(126);
- CASE_FIXED_FP(127);
- }
-#undef CASE_FIXED_FP
-}
-
-void setfpreg(unsigned long regnum, struct ia64_fpreg *fpval,
- struct kvm_pt_regs *regs)
-{
- /* Take floating register rotation into consideration*/
- if (regnum >= IA64_FIRST_ROTATING_FR)
- regnum = IA64_FIRST_ROTATING_FR + fph_index(regs, regnum);
-
-#define CASE_FIXED_FP(reg) \
- case (reg) : \
- ia64_ldf_fill(reg, fpval); \
- break
-
- switch (regnum) {
- CASE_FIXED_FP(2);
- CASE_FIXED_FP(3);
- CASE_FIXED_FP(4);
- CASE_FIXED_FP(5);
-
- CASE_FIXED_FP(6);
- CASE_FIXED_FP(7);
- CASE_FIXED_FP(8);
- CASE_FIXED_FP(9);
- CASE_FIXED_FP(10);
- CASE_FIXED_FP(11);
-
- CASE_FIXED_FP(12);
- CASE_FIXED_FP(13);
- CASE_FIXED_FP(14);
- CASE_FIXED_FP(15);
- CASE_FIXED_FP(16);
- CASE_FIXED_FP(17);
- CASE_FIXED_FP(18);
- CASE_FIXED_FP(19);
- CASE_FIXED_FP(20);
- CASE_FIXED_FP(21);
- CASE_FIXED_FP(22);
- CASE_FIXED_FP(23);
- CASE_FIXED_FP(24);
- CASE_FIXED_FP(25);
- CASE_FIXED_FP(26);
- CASE_FIXED_FP(27);
- CASE_FIXED_FP(28);
- CASE_FIXED_FP(29);
- CASE_FIXED_FP(30);
- CASE_FIXED_FP(31);
- CASE_FIXED_FP(32);
- CASE_FIXED_FP(33);
- CASE_FIXED_FP(34);
- CASE_FIXED_FP(35);
- CASE_FIXED_FP(36);
- CASE_FIXED_FP(37);
- CASE_FIXED_FP(38);
- CASE_FIXED_FP(39);
- CASE_FIXED_FP(40);
- CASE_FIXED_FP(41);
- CASE_FIXED_FP(42);
- CASE_FIXED_FP(43);
- CASE_FIXED_FP(44);
- CASE_FIXED_FP(45);
- CASE_FIXED_FP(46);
- CASE_FIXED_FP(47);
- CASE_FIXED_FP(48);
- CASE_FIXED_FP(49);
- CASE_FIXED_FP(50);
- CASE_FIXED_FP(51);
- CASE_FIXED_FP(52);
- CASE_FIXED_FP(53);
- CASE_FIXED_FP(54);
- CASE_FIXED_FP(55);
- CASE_FIXED_FP(56);
- CASE_FIXED_FP(57);
- CASE_FIXED_FP(58);
- CASE_FIXED_FP(59);
- CASE_FIXED_FP(60);
- CASE_FIXED_FP(61);
- CASE_FIXED_FP(62);
- CASE_FIXED_FP(63);
- CASE_FIXED_FP(64);
- CASE_FIXED_FP(65);
- CASE_FIXED_FP(66);
- CASE_FIXED_FP(67);
- CASE_FIXED_FP(68);
- CASE_FIXED_FP(69);
- CASE_FIXED_FP(70);
- CASE_FIXED_FP(71);
- CASE_FIXED_FP(72);
- CASE_FIXED_FP(73);
- CASE_FIXED_FP(74);
- CASE_FIXED_FP(75);
- CASE_FIXED_FP(76);
- CASE_FIXED_FP(77);
- CASE_FIXED_FP(78);
- CASE_FIXED_FP(79);
- CASE_FIXED_FP(80);
- CASE_FIXED_FP(81);
- CASE_FIXED_FP(82);
- CASE_FIXED_FP(83);
- CASE_FIXED_FP(84);
- CASE_FIXED_FP(85);
- CASE_FIXED_FP(86);
- CASE_FIXED_FP(87);
- CASE_FIXED_FP(88);
- CASE_FIXED_FP(89);
- CASE_FIXED_FP(90);
- CASE_FIXED_FP(91);
- CASE_FIXED_FP(92);
- CASE_FIXED_FP(93);
- CASE_FIXED_FP(94);
- CASE_FIXED_FP(95);
- CASE_FIXED_FP(96);
- CASE_FIXED_FP(97);
- CASE_FIXED_FP(98);
- CASE_FIXED_FP(99);
- CASE_FIXED_FP(100);
- CASE_FIXED_FP(101);
- CASE_FIXED_FP(102);
- CASE_FIXED_FP(103);
- CASE_FIXED_FP(104);
- CASE_FIXED_FP(105);
- CASE_FIXED_FP(106);
- CASE_FIXED_FP(107);
- CASE_FIXED_FP(108);
- CASE_FIXED_FP(109);
- CASE_FIXED_FP(110);
- CASE_FIXED_FP(111);
- CASE_FIXED_FP(112);
- CASE_FIXED_FP(113);
- CASE_FIXED_FP(114);
- CASE_FIXED_FP(115);
- CASE_FIXED_FP(116);
- CASE_FIXED_FP(117);
- CASE_FIXED_FP(118);
- CASE_FIXED_FP(119);
- CASE_FIXED_FP(120);
- CASE_FIXED_FP(121);
- CASE_FIXED_FP(122);
- CASE_FIXED_FP(123);
- CASE_FIXED_FP(124);
- CASE_FIXED_FP(125);
- CASE_FIXED_FP(126);
- CASE_FIXED_FP(127);
- }
-}
-
-void vcpu_get_fpreg(struct kvm_vcpu *vcpu, unsigned long reg,
- struct ia64_fpreg *val)
-{
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
-
- getfpreg(reg, val, regs); /* FIXME: handle NATs later*/
-}
-
-void vcpu_set_fpreg(struct kvm_vcpu *vcpu, unsigned long reg,
- struct ia64_fpreg *val)
-{
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
-
- if (reg > 1)
- setfpreg(reg, val, regs); /* FIXME: handle NATs later*/
-}
-
-/*
- * The Altix RTC is mapped specially here for the vmm module
- */
-#define SN_RTC_BASE (u64 *)(KVM_VMM_BASE+(1UL<<KVM_VMM_SHIFT))
-static long kvm_get_itc(struct kvm_vcpu *vcpu)
-{
-#if defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_GENERIC)
- struct kvm *kvm = (struct kvm *)KVM_VM_BASE;
-
- if (kvm->arch.is_sn2)
- return (*SN_RTC_BASE);
- else
-#endif
- return ia64_getreg(_IA64_REG_AR_ITC);
-}
-
-/************************************************************************
- * lsapic timer
- ***********************************************************************/
-u64 vcpu_get_itc(struct kvm_vcpu *vcpu)
-{
- unsigned long guest_itc;
- guest_itc = VMX(vcpu, itc_offset) + kvm_get_itc(vcpu);
-
- if (guest_itc >= VMX(vcpu, last_itc)) {
- VMX(vcpu, last_itc) = guest_itc;
- return guest_itc;
- } else
- return VMX(vcpu, last_itc);
-}
-
-static inline void vcpu_set_itm(struct kvm_vcpu *vcpu, u64 val);
-static void vcpu_set_itc(struct kvm_vcpu *vcpu, u64 val)
-{
- struct kvm_vcpu *v;
- struct kvm *kvm;
- int i;
- long itc_offset = val - kvm_get_itc(vcpu);
- unsigned long vitv = VCPU(vcpu, itv);
-
- kvm = (struct kvm *)KVM_VM_BASE;
-
- if (kvm_vcpu_is_bsp(vcpu)) {
- for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) {
- v = (struct kvm_vcpu *)((char *)vcpu +
- sizeof(struct kvm_vcpu_data) * i);
- VMX(v, itc_offset) = itc_offset;
- VMX(v, last_itc) = 0;
- }
- }
- VMX(vcpu, last_itc) = 0;
- if (VCPU(vcpu, itm) <= val) {
- VMX(vcpu, itc_check) = 0;
- vcpu_unpend_interrupt(vcpu, vitv);
- } else {
- VMX(vcpu, itc_check) = 1;
- vcpu_set_itm(vcpu, VCPU(vcpu, itm));
- }
-
-}
-
-static inline u64 vcpu_get_itm(struct kvm_vcpu *vcpu)
-{
- return ((u64)VCPU(vcpu, itm));
-}
-
-static inline void vcpu_set_itm(struct kvm_vcpu *vcpu, u64 val)
-{
- unsigned long vitv = VCPU(vcpu, itv);
- VCPU(vcpu, itm) = val;
-
- if (val > vcpu_get_itc(vcpu)) {
- VMX(vcpu, itc_check) = 1;
- vcpu_unpend_interrupt(vcpu, vitv);
- VMX(vcpu, timer_pending) = 0;
- } else
- VMX(vcpu, itc_check) = 0;
-}
-
-#define ITV_VECTOR(itv) (itv&0xff)
-#define ITV_IRQ_MASK(itv) (itv&(1<<16))
-
-static inline void vcpu_set_itv(struct kvm_vcpu *vcpu, u64 val)
-{
- VCPU(vcpu, itv) = val;
- if (!ITV_IRQ_MASK(val) && vcpu->arch.timer_pending) {
- vcpu_pend_interrupt(vcpu, ITV_VECTOR(val));
- vcpu->arch.timer_pending = 0;
- }
-}
-
-static inline void vcpu_set_eoi(struct kvm_vcpu *vcpu, u64 val)
-{
- int vec;
-
- vec = highest_inservice_irq(vcpu);
- if (vec == NULL_VECTOR)
- return;
- VMX(vcpu, insvc[vec >> 6]) &= ~(1UL << (vec & 63));
- VCPU(vcpu, eoi) = 0;
- vcpu->arch.irq_new_pending = 1;
-
-}
-
-/* See Table 5-8 in SDM vol2 for the definition */
-int irq_masked(struct kvm_vcpu *vcpu, int h_pending, int h_inservice)
-{
- union ia64_tpr vtpr;
-
- vtpr.val = VCPU(vcpu, tpr);
-
- if (h_inservice == NMI_VECTOR)
- return IRQ_MASKED_BY_INSVC;
-
- if (h_pending == NMI_VECTOR) {
- /* Non Maskable Interrupt */
- return IRQ_NO_MASKED;
- }
-
- if (h_inservice == ExtINT_VECTOR)
- return IRQ_MASKED_BY_INSVC;
-
- if (h_pending == ExtINT_VECTOR) {
- if (vtpr.mmi) {
- /* mask all external IRQ */
- return IRQ_MASKED_BY_VTPR;
- } else
- return IRQ_NO_MASKED;
- }
-
- if (is_higher_irq(h_pending, h_inservice)) {
- if (is_higher_class(h_pending, vtpr.mic + (vtpr.mmi << 4)))
- return IRQ_NO_MASKED;
- else
- return IRQ_MASKED_BY_VTPR;
- } else {
- return IRQ_MASKED_BY_INSVC;
- }
-}
-
-void vcpu_pend_interrupt(struct kvm_vcpu *vcpu, u8 vec)
-{
- long spsr;
- int ret;
-
- local_irq_save(spsr);
- ret = test_and_set_bit(vec, &VCPU(vcpu, irr[0]));
- local_irq_restore(spsr);
-
- vcpu->arch.irq_new_pending = 1;
-}
-
-void vcpu_unpend_interrupt(struct kvm_vcpu *vcpu, u8 vec)
-{
- long spsr;
- int ret;
-
- local_irq_save(spsr);
- ret = test_and_clear_bit(vec, &VCPU(vcpu, irr[0]));
- local_irq_restore(spsr);
- if (ret) {
- vcpu->arch.irq_new_pending = 1;
- wmb();
- }
-}
-
-void update_vhpi(struct kvm_vcpu *vcpu, int vec)
-{
- u64 vhpi;
-
- if (vec == NULL_VECTOR)
- vhpi = 0;
- else if (vec == NMI_VECTOR)
- vhpi = 32;
- else if (vec == ExtINT_VECTOR)
- vhpi = 16;
- else
- vhpi = vec >> 4;
-
- VCPU(vcpu, vhpi) = vhpi;
- if (VCPU(vcpu, vac).a_int)
- ia64_call_vsa(PAL_VPS_SET_PENDING_INTERRUPT,
- (u64)vcpu->arch.vpd, 0, 0, 0, 0, 0, 0);
-}
-
-u64 vcpu_get_ivr(struct kvm_vcpu *vcpu)
-{
- int vec, h_inservice, mask;
-
- vec = highest_pending_irq(vcpu);
- h_inservice = highest_inservice_irq(vcpu);
- mask = irq_masked(vcpu, vec, h_inservice);
- if (vec == NULL_VECTOR || mask == IRQ_MASKED_BY_INSVC) {
- if (VCPU(vcpu, vhpi))
- update_vhpi(vcpu, NULL_VECTOR);
- return IA64_SPURIOUS_INT_VECTOR;
- }
- if (mask == IRQ_MASKED_BY_VTPR) {
- update_vhpi(vcpu, vec);
- return IA64_SPURIOUS_INT_VECTOR;
- }
- VMX(vcpu, insvc[vec >> 6]) |= (1UL << (vec & 63));
- vcpu_unpend_interrupt(vcpu, vec);
- return (u64)vec;
-}
-
-/**************************************************************************
- Privileged operation emulation routines
- **************************************************************************/
-u64 vcpu_thash(struct kvm_vcpu *vcpu, u64 vadr)
-{
- union ia64_pta vpta;
- union ia64_rr vrr;
- u64 pval;
- u64 vhpt_offset;
-
- vpta.val = vcpu_get_pta(vcpu);
- vrr.val = vcpu_get_rr(vcpu, vadr);
- vhpt_offset = ((vadr >> vrr.ps) << 3) & ((1UL << (vpta.size)) - 1);
- if (vpta.vf) {
- pval = ia64_call_vsa(PAL_VPS_THASH, vadr, vrr.val,
- vpta.val, 0, 0, 0, 0);
- } else {
- pval = (vadr & VRN_MASK) | vhpt_offset |
- (vpta.val << 3 >> (vpta.size + 3) << (vpta.size));
- }
- return pval;
-}
-
-u64 vcpu_ttag(struct kvm_vcpu *vcpu, u64 vadr)
-{
- union ia64_rr vrr;
- union ia64_pta vpta;
- u64 pval;
-
- vpta.val = vcpu_get_pta(vcpu);
- vrr.val = vcpu_get_rr(vcpu, vadr);
- if (vpta.vf) {
- pval = ia64_call_vsa(PAL_VPS_TTAG, vadr, vrr.val,
- 0, 0, 0, 0, 0);
- } else
- pval = 1;
-
- return pval;
-}
-
-u64 vcpu_tak(struct kvm_vcpu *vcpu, u64 vadr)
-{
- struct thash_data *data;
- union ia64_pta vpta;
- u64 key;
-
- vpta.val = vcpu_get_pta(vcpu);
- if (vpta.vf == 0) {
- key = 1;
- return key;
- }
- data = vtlb_lookup(vcpu, vadr, D_TLB);
- if (!data || !data->p)
- key = 1;
- else
- key = data->key;
-
- return key;
-}
-
-void kvm_thash(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long thash, vadr;
-
- vadr = vcpu_get_gr(vcpu, inst.M46.r3);
- thash = vcpu_thash(vcpu, vadr);
- vcpu_set_gr(vcpu, inst.M46.r1, thash, 0);
-}
-
-void kvm_ttag(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long tag, vadr;
-
- vadr = vcpu_get_gr(vcpu, inst.M46.r3);
- tag = vcpu_ttag(vcpu, vadr);
- vcpu_set_gr(vcpu, inst.M46.r1, tag, 0);
-}
-
-int vcpu_tpa(struct kvm_vcpu *vcpu, u64 vadr, unsigned long *padr)
-{
- struct thash_data *data;
- union ia64_isr visr, pt_isr;
- struct kvm_pt_regs *regs;
- struct ia64_psr vpsr;
-
- regs = vcpu_regs(vcpu);
- pt_isr.val = VMX(vcpu, cr_isr);
- visr.val = 0;
- visr.ei = pt_isr.ei;
- visr.ir = pt_isr.ir;
- vpsr = *(struct ia64_psr *)&VCPU(vcpu, vpsr);
- visr.na = 1;
-
- data = vhpt_lookup(vadr);
- if (data) {
- if (data->p == 0) {
- vcpu_set_isr(vcpu, visr.val);
- data_page_not_present(vcpu, vadr);
- return IA64_FAULT;
- } else if (data->ma == VA_MATTR_NATPAGE) {
- vcpu_set_isr(vcpu, visr.val);
- dnat_page_consumption(vcpu, vadr);
- return IA64_FAULT;
- } else {
- *padr = (data->gpaddr >> data->ps << data->ps) |
- (vadr & (PSIZE(data->ps) - 1));
- return IA64_NO_FAULT;
- }
- }
-
- data = vtlb_lookup(vcpu, vadr, D_TLB);
- if (data) {
- if (data->p == 0) {
- vcpu_set_isr(vcpu, visr.val);
- data_page_not_present(vcpu, vadr);
- return IA64_FAULT;
- } else if (data->ma == VA_MATTR_NATPAGE) {
- vcpu_set_isr(vcpu, visr.val);
- dnat_page_consumption(vcpu, vadr);
- return IA64_FAULT;
- } else{
- *padr = ((data->ppn >> (data->ps - 12)) << data->ps)
- | (vadr & (PSIZE(data->ps) - 1));
- return IA64_NO_FAULT;
- }
- }
- if (!vhpt_enabled(vcpu, vadr, NA_REF)) {
- if (vpsr.ic) {
- vcpu_set_isr(vcpu, visr.val);
- alt_dtlb(vcpu, vadr);
- return IA64_FAULT;
- } else {
- nested_dtlb(vcpu);
- return IA64_FAULT;
- }
- } else {
- if (vpsr.ic) {
- vcpu_set_isr(vcpu, visr.val);
- dvhpt_fault(vcpu, vadr);
- return IA64_FAULT;
- } else{
- nested_dtlb(vcpu);
- return IA64_FAULT;
- }
- }
-
- return IA64_NO_FAULT;
-}
-
-int kvm_tpa(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r1, r3;
-
- r3 = vcpu_get_gr(vcpu, inst.M46.r3);
-
- if (vcpu_tpa(vcpu, r3, &r1))
- return IA64_FAULT;
-
- vcpu_set_gr(vcpu, inst.M46.r1, r1, 0);
- return(IA64_NO_FAULT);
-}
-
-void kvm_tak(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r1, r3;
-
- r3 = vcpu_get_gr(vcpu, inst.M46.r3);
- r1 = vcpu_tak(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M46.r1, r1, 0);
-}
-
-/************************************
- * Insert/Purge translation register/cache
- ************************************/
-void vcpu_itc_i(struct kvm_vcpu *vcpu, u64 pte, u64 itir, u64 ifa)
-{
- thash_purge_and_insert(vcpu, pte, itir, ifa, I_TLB);
-}
-
-void vcpu_itc_d(struct kvm_vcpu *vcpu, u64 pte, u64 itir, u64 ifa)
-{
- thash_purge_and_insert(vcpu, pte, itir, ifa, D_TLB);
-}
-
-void vcpu_itr_i(struct kvm_vcpu *vcpu, u64 slot, u64 pte, u64 itir, u64 ifa)
-{
- u64 ps, va, rid;
- struct thash_data *p_itr;
-
- ps = itir_ps(itir);
- va = PAGEALIGN(ifa, ps);
- pte &= ~PAGE_FLAGS_RV_MASK;
- rid = vcpu_get_rr(vcpu, ifa);
- rid = rid & RR_RID_MASK;
- p_itr = (struct thash_data *)&vcpu->arch.itrs[slot];
- vcpu_set_tr(p_itr, pte, itir, va, rid);
- vcpu_quick_region_set(VMX(vcpu, itr_regions), va);
-}
-
-
-void vcpu_itr_d(struct kvm_vcpu *vcpu, u64 slot, u64 pte, u64 itir, u64 ifa)
-{
- u64 gpfn;
- u64 ps, va, rid;
- struct thash_data *p_dtr;
-
- ps = itir_ps(itir);
- va = PAGEALIGN(ifa, ps);
- pte &= ~PAGE_FLAGS_RV_MASK;
-
- if (ps != _PAGE_SIZE_16M)
- thash_purge_entries(vcpu, va, ps);
- gpfn = (pte & _PAGE_PPN_MASK) >> PAGE_SHIFT;
- if (__gpfn_is_io(gpfn))
- pte |= VTLB_PTE_IO;
- rid = vcpu_get_rr(vcpu, va);
- rid = rid & RR_RID_MASK;
- p_dtr = (struct thash_data *)&vcpu->arch.dtrs[slot];
- vcpu_set_tr((struct thash_data *)&vcpu->arch.dtrs[slot],
- pte, itir, va, rid);
- vcpu_quick_region_set(VMX(vcpu, dtr_regions), va);
-}
-
-void vcpu_ptr_d(struct kvm_vcpu *vcpu, u64 ifa, u64 ps)
-{
- int index;
- u64 va;
-
- va = PAGEALIGN(ifa, ps);
- while ((index = vtr_find_overlap(vcpu, va, ps, D_TLB)) >= 0)
- vcpu->arch.dtrs[index].page_flags = 0;
-
- thash_purge_entries(vcpu, va, ps);
-}
-
-void vcpu_ptr_i(struct kvm_vcpu *vcpu, u64 ifa, u64 ps)
-{
- int index;
- u64 va;
-
- va = PAGEALIGN(ifa, ps);
- while ((index = vtr_find_overlap(vcpu, va, ps, I_TLB)) >= 0)
- vcpu->arch.itrs[index].page_flags = 0;
-
- thash_purge_entries(vcpu, va, ps);
-}
-
-void vcpu_ptc_l(struct kvm_vcpu *vcpu, u64 va, u64 ps)
-{
- va = PAGEALIGN(va, ps);
- thash_purge_entries(vcpu, va, ps);
-}
-
-void vcpu_ptc_e(struct kvm_vcpu *vcpu, u64 va)
-{
- thash_purge_all(vcpu);
-}
-
-void vcpu_ptc_ga(struct kvm_vcpu *vcpu, u64 va, u64 ps)
-{
- struct exit_ctl_data *p = &vcpu->arch.exit_data;
- long psr;
- local_irq_save(psr);
- p->exit_reason = EXIT_REASON_PTC_G;
-
- p->u.ptc_g_data.rr = vcpu_get_rr(vcpu, va);
- p->u.ptc_g_data.vaddr = va;
- p->u.ptc_g_data.ps = ps;
- vmm_transition(vcpu);
- /* Do Local Purge Here*/
- vcpu_ptc_l(vcpu, va, ps);
- local_irq_restore(psr);
-}
-
-
-void vcpu_ptc_g(struct kvm_vcpu *vcpu, u64 va, u64 ps)
-{
- vcpu_ptc_ga(vcpu, va, ps);
-}
-
-void kvm_ptc_e(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long ifa;
-
- ifa = vcpu_get_gr(vcpu, inst.M45.r3);
- vcpu_ptc_e(vcpu, ifa);
-}
-
-void kvm_ptc_g(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long ifa, itir;
-
- ifa = vcpu_get_gr(vcpu, inst.M45.r3);
- itir = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_ptc_g(vcpu, ifa, itir_ps(itir));
-}
-
-void kvm_ptc_ga(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long ifa, itir;
-
- ifa = vcpu_get_gr(vcpu, inst.M45.r3);
- itir = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_ptc_ga(vcpu, ifa, itir_ps(itir));
-}
-
-void kvm_ptc_l(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long ifa, itir;
-
- ifa = vcpu_get_gr(vcpu, inst.M45.r3);
- itir = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_ptc_l(vcpu, ifa, itir_ps(itir));
-}
-
-void kvm_ptr_d(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long ifa, itir;
-
- ifa = vcpu_get_gr(vcpu, inst.M45.r3);
- itir = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_ptr_d(vcpu, ifa, itir_ps(itir));
-}
-
-void kvm_ptr_i(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long ifa, itir;
-
- ifa = vcpu_get_gr(vcpu, inst.M45.r3);
- itir = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_ptr_i(vcpu, ifa, itir_ps(itir));
-}
-
-void kvm_itr_d(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long itir, ifa, pte, slot;
-
- slot = vcpu_get_gr(vcpu, inst.M45.r3);
- pte = vcpu_get_gr(vcpu, inst.M45.r2);
- itir = vcpu_get_itir(vcpu);
- ifa = vcpu_get_ifa(vcpu);
- vcpu_itr_d(vcpu, slot, pte, itir, ifa);
-}
-
-
-
-void kvm_itr_i(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long itir, ifa, pte, slot;
-
- slot = vcpu_get_gr(vcpu, inst.M45.r3);
- pte = vcpu_get_gr(vcpu, inst.M45.r2);
- itir = vcpu_get_itir(vcpu);
- ifa = vcpu_get_ifa(vcpu);
- vcpu_itr_i(vcpu, slot, pte, itir, ifa);
-}
-
-void kvm_itc_d(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long itir, ifa, pte;
-
- itir = vcpu_get_itir(vcpu);
- ifa = vcpu_get_ifa(vcpu);
- pte = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_itc_d(vcpu, pte, itir, ifa);
-}
-
-void kvm_itc_i(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long itir, ifa, pte;
-
- itir = vcpu_get_itir(vcpu);
- ifa = vcpu_get_ifa(vcpu);
- pte = vcpu_get_gr(vcpu, inst.M45.r2);
- vcpu_itc_i(vcpu, pte, itir, ifa);
-}
-
-/*************************************
- * Moves to semi-privileged registers
- *************************************/
-
-void kvm_mov_to_ar_imm(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long imm;
-
- if (inst.M30.s)
- imm = -inst.M30.imm;
- else
- imm = inst.M30.imm;
-
- vcpu_set_itc(vcpu, imm);
-}
-
-void kvm_mov_to_ar_reg(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r2;
-
- r2 = vcpu_get_gr(vcpu, inst.M29.r2);
- vcpu_set_itc(vcpu, r2);
-}
-
-void kvm_mov_from_ar_reg(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r1;
-
- r1 = vcpu_get_itc(vcpu);
- vcpu_set_gr(vcpu, inst.M31.r1, r1, 0);
-}
-
-/**************************************************************************
- struct kvm_vcpu protection key register access routines
- **************************************************************************/
-
-unsigned long vcpu_get_pkr(struct kvm_vcpu *vcpu, unsigned long reg)
-{
- return ((unsigned long)ia64_get_pkr(reg));
-}
-
-void vcpu_set_pkr(struct kvm_vcpu *vcpu, unsigned long reg, unsigned long val)
-{
- ia64_set_pkr(reg, val);
-}
-
-/********************************
- * Moves to privileged registers
- ********************************/
-unsigned long vcpu_set_rr(struct kvm_vcpu *vcpu, unsigned long reg,
- unsigned long val)
-{
- union ia64_rr oldrr, newrr;
- unsigned long rrval;
- struct exit_ctl_data *p = &vcpu->arch.exit_data;
- unsigned long psr;
-
- oldrr.val = vcpu_get_rr(vcpu, reg);
- newrr.val = val;
- vcpu->arch.vrr[reg >> VRN_SHIFT] = val;
-
- switch ((unsigned long)(reg >> VRN_SHIFT)) {
- case VRN6:
- vcpu->arch.vmm_rr = vrrtomrr(val);
- local_irq_save(psr);
- p->exit_reason = EXIT_REASON_SWITCH_RR6;
- vmm_transition(vcpu);
- local_irq_restore(psr);
- break;
- case VRN4:
- rrval = vrrtomrr(val);
- vcpu->arch.metaphysical_saved_rr4 = rrval;
- if (!is_physical_mode(vcpu))
- ia64_set_rr(reg, rrval);
- break;
- case VRN0:
- rrval = vrrtomrr(val);
- vcpu->arch.metaphysical_saved_rr0 = rrval;
- if (!is_physical_mode(vcpu))
- ia64_set_rr(reg, rrval);
- break;
- default:
- ia64_set_rr(reg, vrrtomrr(val));
- break;
- }
-
- return (IA64_NO_FAULT);
-}
-
-void kvm_mov_to_rr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r2;
-
- r3 = vcpu_get_gr(vcpu, inst.M42.r3);
- r2 = vcpu_get_gr(vcpu, inst.M42.r2);
- vcpu_set_rr(vcpu, r3, r2);
-}
-
-void kvm_mov_to_dbr(struct kvm_vcpu *vcpu, INST64 inst)
-{
-}
-
-void kvm_mov_to_ibr(struct kvm_vcpu *vcpu, INST64 inst)
-{
-}
-
-void kvm_mov_to_pmc(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r2;
-
- r3 = vcpu_get_gr(vcpu, inst.M42.r3);
- r2 = vcpu_get_gr(vcpu, inst.M42.r2);
- vcpu_set_pmc(vcpu, r3, r2);
-}
-
-void kvm_mov_to_pmd(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r2;
-
- r3 = vcpu_get_gr(vcpu, inst.M42.r3);
- r2 = vcpu_get_gr(vcpu, inst.M42.r2);
- vcpu_set_pmd(vcpu, r3, r2);
-}
-
-void kvm_mov_to_pkr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- u64 r3, r2;
-
- r3 = vcpu_get_gr(vcpu, inst.M42.r3);
- r2 = vcpu_get_gr(vcpu, inst.M42.r2);
- vcpu_set_pkr(vcpu, r3, r2);
-}
-
-void kvm_mov_from_rr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r1;
-
- r3 = vcpu_get_gr(vcpu, inst.M43.r3);
- r1 = vcpu_get_rr(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
-}
-
-void kvm_mov_from_pkr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r1;
-
- r3 = vcpu_get_gr(vcpu, inst.M43.r3);
- r1 = vcpu_get_pkr(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
-}
-
-void kvm_mov_from_dbr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r1;
-
- r3 = vcpu_get_gr(vcpu, inst.M43.r3);
- r1 = vcpu_get_dbr(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
-}
-
-void kvm_mov_from_ibr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r1;
-
- r3 = vcpu_get_gr(vcpu, inst.M43.r3);
- r1 = vcpu_get_ibr(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
-}
-
-void kvm_mov_from_pmc(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r1;
-
- r3 = vcpu_get_gr(vcpu, inst.M43.r3);
- r1 = vcpu_get_pmc(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
-}
-
-unsigned long vcpu_get_cpuid(struct kvm_vcpu *vcpu, unsigned long reg)
-{
- /* FIXME: This could get called as a result of a rsvd-reg fault */
- if (reg > (ia64_get_cpuid(3) & 0xff))
- return 0;
- else
- return ia64_get_cpuid(reg);
-}
-
-void kvm_mov_from_cpuid(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r3, r1;
-
- r3 = vcpu_get_gr(vcpu, inst.M43.r3);
- r1 = vcpu_get_cpuid(vcpu, r3);
- vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
-}
-
-void vcpu_set_tpr(struct kvm_vcpu *vcpu, unsigned long val)
-{
- VCPU(vcpu, tpr) = val;
- vcpu->arch.irq_check = 1;
-}
-
-unsigned long kvm_mov_to_cr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long r2;
-
- r2 = vcpu_get_gr(vcpu, inst.M32.r2);
- VCPU(vcpu, vcr[inst.M32.cr3]) = r2;
-
- switch (inst.M32.cr3) {
- case 0:
- vcpu_set_dcr(vcpu, r2);
- break;
- case 1:
- vcpu_set_itm(vcpu, r2);
- break;
- case 66:
- vcpu_set_tpr(vcpu, r2);
- break;
- case 67:
- vcpu_set_eoi(vcpu, r2);
- break;
- default:
- break;
- }
-
- return 0;
-}
-
-unsigned long kvm_mov_from_cr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long tgt = inst.M33.r1;
- unsigned long val;
-
- switch (inst.M33.cr3) {
- case 65:
- val = vcpu_get_ivr(vcpu);
- vcpu_set_gr(vcpu, tgt, val, 0);
- break;
-
- case 67:
- vcpu_set_gr(vcpu, tgt, 0L, 0);
- break;
- default:
- val = VCPU(vcpu, vcr[inst.M33.cr3]);
- vcpu_set_gr(vcpu, tgt, val, 0);
- break;
- }
-
- return 0;
-}
-
-void vcpu_set_psr(struct kvm_vcpu *vcpu, unsigned long val)
-{
-
- unsigned long mask;
- struct kvm_pt_regs *regs;
- struct ia64_psr old_psr, new_psr;
-
- old_psr = *(struct ia64_psr *)&VCPU(vcpu, vpsr);
-
- regs = vcpu_regs(vcpu);
- /* We only support guest as:
- * vpsr.pk = 0
- * vpsr.is = 0
- * Otherwise panic
- */
- if (val & (IA64_PSR_PK | IA64_PSR_IS | IA64_PSR_VM))
- panic_vm(vcpu, "Only support guests with vpsr.pk =0 "
- "& vpsr.is=0\n");
-
- /*
- * For those IA64_PSR bits: id/da/dd/ss/ed/ia
- * Since these bits will become 0, after success execution of each
- * instruction, we will change set them to mIA64_PSR
- */
- VCPU(vcpu, vpsr) = val
- & (~(IA64_PSR_ID | IA64_PSR_DA | IA64_PSR_DD |
- IA64_PSR_SS | IA64_PSR_ED | IA64_PSR_IA));
-
- if (!old_psr.i && (val & IA64_PSR_I)) {
- /* vpsr.i 0->1 */
- vcpu->arch.irq_check = 1;
- }
- new_psr = *(struct ia64_psr *)&VCPU(vcpu, vpsr);
-
- /*
- * All vIA64_PSR bits shall go to mPSR (v->tf->tf_special.psr)
- * , except for the following bits:
- * ic/i/dt/si/rt/mc/it/bn/vm
- */
- mask = IA64_PSR_IC + IA64_PSR_I + IA64_PSR_DT + IA64_PSR_SI +
- IA64_PSR_RT + IA64_PSR_MC + IA64_PSR_IT + IA64_PSR_BN +
- IA64_PSR_VM;
-
- regs->cr_ipsr = (regs->cr_ipsr & mask) | (val & (~mask));
-
- check_mm_mode_switch(vcpu, old_psr, new_psr);
-
- return ;
-}
-
-unsigned long vcpu_cover(struct kvm_vcpu *vcpu)
-{
- struct ia64_psr vpsr;
-
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- vpsr = *(struct ia64_psr *)&VCPU(vcpu, vpsr);
-
- if (!vpsr.ic)
- VCPU(vcpu, ifs) = regs->cr_ifs;
- regs->cr_ifs = IA64_IFS_V;
- return (IA64_NO_FAULT);
-}
-
-
-
-/**************************************************************************
- VCPU banked general register access routines
- **************************************************************************/
-#define vcpu_bsw0_unat(i, b0unat, b1unat, runat, VMM_PT_REGS_R16_SLOT) \
- do { \
- __asm__ __volatile__ ( \
- ";;extr.u %0 = %3,%6,16;;\n" \
- "dep %1 = %0, %1, 0, 16;;\n" \
- "st8 [%4] = %1\n" \
- "extr.u %0 = %2, 16, 16;;\n" \
- "dep %3 = %0, %3, %6, 16;;\n" \
- "st8 [%5] = %3\n" \
- ::"r"(i), "r"(*b1unat), "r"(*b0unat), \
- "r"(*runat), "r"(b1unat), "r"(runat), \
- "i"(VMM_PT_REGS_R16_SLOT) : "memory"); \
- } while (0)
-
-void vcpu_bsw0(struct kvm_vcpu *vcpu)
-{
- unsigned long i;
-
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- unsigned long *r = &regs->r16;
- unsigned long *b0 = &VCPU(vcpu, vbgr[0]);
- unsigned long *b1 = &VCPU(vcpu, vgr[0]);
- unsigned long *runat = &regs->eml_unat;
- unsigned long *b0unat = &VCPU(vcpu, vbnat);
- unsigned long *b1unat = &VCPU(vcpu, vnat);
-
-
- if (VCPU(vcpu, vpsr) & IA64_PSR_BN) {
- for (i = 0; i < 16; i++) {
- *b1++ = *r;
- *r++ = *b0++;
- }
- vcpu_bsw0_unat(i, b0unat, b1unat, runat,
- VMM_PT_REGS_R16_SLOT);
- VCPU(vcpu, vpsr) &= ~IA64_PSR_BN;
- }
-}
-
-#define vcpu_bsw1_unat(i, b0unat, b1unat, runat, VMM_PT_REGS_R16_SLOT) \
- do { \
- __asm__ __volatile__ (";;extr.u %0 = %3, %6, 16;;\n" \
- "dep %1 = %0, %1, 16, 16;;\n" \
- "st8 [%4] = %1\n" \
- "extr.u %0 = %2, 0, 16;;\n" \
- "dep %3 = %0, %3, %6, 16;;\n" \
- "st8 [%5] = %3\n" \
- ::"r"(i), "r"(*b0unat), "r"(*b1unat), \
- "r"(*runat), "r"(b0unat), "r"(runat), \
- "i"(VMM_PT_REGS_R16_SLOT) : "memory"); \
- } while (0)
-
-void vcpu_bsw1(struct kvm_vcpu *vcpu)
-{
- unsigned long i;
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- unsigned long *r = &regs->r16;
- unsigned long *b0 = &VCPU(vcpu, vbgr[0]);
- unsigned long *b1 = &VCPU(vcpu, vgr[0]);
- unsigned long *runat = &regs->eml_unat;
- unsigned long *b0unat = &VCPU(vcpu, vbnat);
- unsigned long *b1unat = &VCPU(vcpu, vnat);
-
- if (!(VCPU(vcpu, vpsr) & IA64_PSR_BN)) {
- for (i = 0; i < 16; i++) {
- *b0++ = *r;
- *r++ = *b1++;
- }
- vcpu_bsw1_unat(i, b0unat, b1unat, runat,
- VMM_PT_REGS_R16_SLOT);
- VCPU(vcpu, vpsr) |= IA64_PSR_BN;
- }
-}
-
-void vcpu_rfi(struct kvm_vcpu *vcpu)
-{
- unsigned long ifs, psr;
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
-
- psr = VCPU(vcpu, ipsr);
- if (psr & IA64_PSR_BN)
- vcpu_bsw1(vcpu);
- else
- vcpu_bsw0(vcpu);
- vcpu_set_psr(vcpu, psr);
- ifs = VCPU(vcpu, ifs);
- if (ifs >> 63)
- regs->cr_ifs = ifs;
- regs->cr_iip = VCPU(vcpu, iip);
-}
-
-/*
- VPSR can't keep track of below bits of guest PSR
- This function gets guest PSR
- */
-
-unsigned long vcpu_get_psr(struct kvm_vcpu *vcpu)
-{
- unsigned long mask;
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
-
- mask = IA64_PSR_BE | IA64_PSR_UP | IA64_PSR_AC | IA64_PSR_MFL |
- IA64_PSR_MFH | IA64_PSR_CPL | IA64_PSR_RI;
- return (VCPU(vcpu, vpsr) & ~mask) | (regs->cr_ipsr & mask);
-}
-
-void kvm_rsm(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long vpsr;
- unsigned long imm24 = (inst.M44.i<<23) | (inst.M44.i2<<21)
- | inst.M44.imm;
-
- vpsr = vcpu_get_psr(vcpu);
- vpsr &= (~imm24);
- vcpu_set_psr(vcpu, vpsr);
-}
-
-void kvm_ssm(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long vpsr;
- unsigned long imm24 = (inst.M44.i << 23) | (inst.M44.i2 << 21)
- | inst.M44.imm;
-
- vpsr = vcpu_get_psr(vcpu);
- vpsr |= imm24;
- vcpu_set_psr(vcpu, vpsr);
-}
-
-/* Generate Mask
- * Parameter:
- * bit -- starting bit
- * len -- how many bits
- */
-#define MASK(bit,len) \
-({ \
- __u64 ret; \
- \
- __asm __volatile("dep %0=-1, r0, %1, %2"\
- : "=r" (ret): \
- "M" (bit), \
- "M" (len)); \
- ret; \
-})
-
-void vcpu_set_psr_l(struct kvm_vcpu *vcpu, unsigned long val)
-{
- val = (val & MASK(0, 32)) | (vcpu_get_psr(vcpu) & MASK(32, 32));
- vcpu_set_psr(vcpu, val);
-}
-
-void kvm_mov_to_psr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long val;
-
- val = vcpu_get_gr(vcpu, inst.M35.r2);
- vcpu_set_psr_l(vcpu, val);
-}
-
-void kvm_mov_from_psr(struct kvm_vcpu *vcpu, INST64 inst)
-{
- unsigned long val;
-
- val = vcpu_get_psr(vcpu);
- val = (val & MASK(0, 32)) | (val & MASK(35, 2));
- vcpu_set_gr(vcpu, inst.M33.r1, val, 0);
-}
-
-void vcpu_increment_iip(struct kvm_vcpu *vcpu)
-{
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- struct ia64_psr *ipsr = (struct ia64_psr *)&regs->cr_ipsr;
- if (ipsr->ri == 2) {
- ipsr->ri = 0;
- regs->cr_iip += 16;
- } else
- ipsr->ri++;
-}
-
-void vcpu_decrement_iip(struct kvm_vcpu *vcpu)
-{
- struct kvm_pt_regs *regs = vcpu_regs(vcpu);
- struct ia64_psr *ipsr = (struct ia64_psr *)&regs->cr_ipsr;
-
- if (ipsr->ri == 0) {
- ipsr->ri = 2;
- regs->cr_iip -= 16;
- } else
- ipsr->ri--;
-}
-
-/** Emulate a privileged operation.
- *
- *
- * @param vcpu virtual cpu
- * @cause the reason cause virtualization fault
- * @opcode the instruction code which cause virtualization fault
- */
-
-void kvm_emulate(struct kvm_vcpu *vcpu, struct kvm_pt_regs *regs)
-{
- unsigned long status, cause, opcode ;
- INST64 inst;
-
- status = IA64_NO_FAULT;
- cause = VMX(vcpu, cause);
- opcode = VMX(vcpu, opcode);
- inst.inst = opcode;
- /*
- * Switch to actual virtual rid in rr0 and rr4,
- * which is required by some tlb related instructions.
- */
- prepare_if_physical_mode(vcpu);
-
- switch (cause) {
- case EVENT_RSM:
- kvm_rsm(vcpu, inst);
- break;
- case EVENT_SSM:
- kvm_ssm(vcpu, inst);
- break;
- case EVENT_MOV_TO_PSR:
- kvm_mov_to_psr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_PSR:
- kvm_mov_from_psr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_CR:
- kvm_mov_from_cr(vcpu, inst);
- break;
- case EVENT_MOV_TO_CR:
- kvm_mov_to_cr(vcpu, inst);
- break;
- case EVENT_BSW_0:
- vcpu_bsw0(vcpu);
- break;
- case EVENT_BSW_1:
- vcpu_bsw1(vcpu);
- break;
- case EVENT_COVER:
- vcpu_cover(vcpu);
- break;
- case EVENT_RFI:
- vcpu_rfi(vcpu);
- break;
- case EVENT_ITR_D:
- kvm_itr_d(vcpu, inst);
- break;
- case EVENT_ITR_I:
- kvm_itr_i(vcpu, inst);
- break;
- case EVENT_PTR_D:
- kvm_ptr_d(vcpu, inst);
- break;
- case EVENT_PTR_I:
- kvm_ptr_i(vcpu, inst);
- break;
- case EVENT_ITC_D:
- kvm_itc_d(vcpu, inst);
- break;
- case EVENT_ITC_I:
- kvm_itc_i(vcpu, inst);
- break;
- case EVENT_PTC_L:
- kvm_ptc_l(vcpu, inst);
- break;
- case EVENT_PTC_G:
- kvm_ptc_g(vcpu, inst);
- break;
- case EVENT_PTC_GA:
- kvm_ptc_ga(vcpu, inst);
- break;
- case EVENT_PTC_E:
- kvm_ptc_e(vcpu, inst);
- break;
- case EVENT_MOV_TO_RR:
- kvm_mov_to_rr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_RR:
- kvm_mov_from_rr(vcpu, inst);
- break;
- case EVENT_THASH:
- kvm_thash(vcpu, inst);
- break;
- case EVENT_TTAG:
- kvm_ttag(vcpu, inst);
- break;
- case EVENT_TPA:
- status = kvm_tpa(vcpu, inst);
- break;
- case EVENT_TAK:
- kvm_tak(vcpu, inst);
- break;
- case EVENT_MOV_TO_AR_IMM:
- kvm_mov_to_ar_imm(vcpu, inst);
- break;
- case EVENT_MOV_TO_AR:
- kvm_mov_to_ar_reg(vcpu, inst);
- break;
- case EVENT_MOV_FROM_AR:
- kvm_mov_from_ar_reg(vcpu, inst);
- break;
- case EVENT_MOV_TO_DBR:
- kvm_mov_to_dbr(vcpu, inst);
- break;
- case EVENT_MOV_TO_IBR:
- kvm_mov_to_ibr(vcpu, inst);
- break;
- case EVENT_MOV_TO_PMC:
- kvm_mov_to_pmc(vcpu, inst);
- break;
- case EVENT_MOV_TO_PMD:
- kvm_mov_to_pmd(vcpu, inst);
- break;
- case EVENT_MOV_TO_PKR:
- kvm_mov_to_pkr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_DBR:
- kvm_mov_from_dbr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_IBR:
- kvm_mov_from_ibr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_PMC:
- kvm_mov_from_pmc(vcpu, inst);
- break;
- case EVENT_MOV_FROM_PKR:
- kvm_mov_from_pkr(vcpu, inst);
- break;
- case EVENT_MOV_FROM_CPUID:
- kvm_mov_from_cpuid(vcpu, inst);
- break;
- case EVENT_VMSW:
- status = IA64_FAULT;
- break;
- default:
- break;
- };
- /*Assume all status is NO_FAULT ?*/
- if (status == IA64_NO_FAULT && cause != EVENT_RFI)
- vcpu_increment_iip(vcpu);
-
- recover_if_physical_mode(vcpu);
-}
-
-void init_vcpu(struct kvm_vcpu *vcpu)
-{
- int i;
-
- vcpu->arch.mode_flags = GUEST_IN_PHY;
- VMX(vcpu, vrr[0]) = 0x38;
- VMX(vcpu, vrr[1]) = 0x38;
- VMX(vcpu, vrr[2]) = 0x38;
- VMX(vcpu, vrr[3]) = 0x38;
- VMX(vcpu, vrr[4]) = 0x38;
- VMX(vcpu, vrr[5]) = 0x38;
- VMX(vcpu, vrr[6]) = 0x38;
- VMX(vcpu, vrr[7]) = 0x38;
- VCPU(vcpu, vpsr) = IA64_PSR_BN;
- VCPU(vcpu, dcr) = 0;
- /* pta.size must not be 0. The minimum is 15 (32k) */
- VCPU(vcpu, pta) = 15 << 2;
- VCPU(vcpu, itv) = 0x10000;
- VCPU(vcpu, itm) = 0;
- VMX(vcpu, last_itc) = 0;
-
- VCPU(vcpu, lid) = VCPU_LID(vcpu);
- VCPU(vcpu, ivr) = 0;
- VCPU(vcpu, tpr) = 0x10000;
- VCPU(vcpu, eoi) = 0;
- VCPU(vcpu, irr[0]) = 0;
- VCPU(vcpu, irr[1]) = 0;
- VCPU(vcpu, irr[2]) = 0;
- VCPU(vcpu, irr[3]) = 0;
- VCPU(vcpu, pmv) = 0x10000;
- VCPU(vcpu, cmcv) = 0x10000;
- VCPU(vcpu, lrr0) = 0x10000; /* default reset value? */
- VCPU(vcpu, lrr1) = 0x10000; /* default reset value? */
- update_vhpi(vcpu, NULL_VECTOR);
- VLSAPIC_XTP(vcpu) = 0x80; /* disabled */
-
- for (i = 0; i < 4; i++)
- VLSAPIC_INSVC(vcpu, i) = 0;
-}
-
-void kvm_init_all_rr(struct kvm_vcpu *vcpu)
-{
- unsigned long psr;
-
- local_irq_save(psr);
-
- /* WARNING: not allow co-exist of both virtual mode and physical
- * mode in same region
- */
-
- vcpu->arch.metaphysical_saved_rr0 = vrrtomrr(VMX(vcpu, vrr[VRN0]));
- vcpu->arch.metaphysical_saved_rr4 = vrrtomrr(VMX(vcpu, vrr[VRN4]));
-
- if (is_physical_mode(vcpu)) {
- if (vcpu->arch.mode_flags & GUEST_PHY_EMUL)
- panic_vm(vcpu, "Machine Status conflicts!\n");
-
- ia64_set_rr((VRN0 << VRN_SHIFT), vcpu->arch.metaphysical_rr0);
- ia64_dv_serialize_data();
- ia64_set_rr((VRN4 << VRN_SHIFT), vcpu->arch.metaphysical_rr4);
- ia64_dv_serialize_data();
- } else {
- ia64_set_rr((VRN0 << VRN_SHIFT),
- vcpu->arch.metaphysical_saved_rr0);
- ia64_dv_serialize_data();
- ia64_set_rr((VRN4 << VRN_SHIFT),
- vcpu->arch.metaphysical_saved_rr4);
- ia64_dv_serialize_data();
- }
- ia64_set_rr((VRN1 << VRN_SHIFT),
- vrrtomrr(VMX(vcpu, vrr[VRN1])));
- ia64_dv_serialize_data();
- ia64_set_rr((VRN2 << VRN_SHIFT),
- vrrtomrr(VMX(vcpu, vrr[VRN2])));
- ia64_dv_serialize_data();
- ia64_set_rr((VRN3 << VRN_SHIFT),
- vrrtomrr(VMX(vcpu, vrr[VRN3])));
- ia64_dv_serialize_data();
- ia64_set_rr((VRN5 << VRN_SHIFT),
- vrrtomrr(VMX(vcpu, vrr[VRN5])));
- ia64_dv_serialize_data();
- ia64_set_rr((VRN7 << VRN_SHIFT),
- vrrtomrr(VMX(vcpu, vrr[VRN7])));
- ia64_dv_serialize_data();
- ia64_srlz_d();
- ia64_set_psr(psr);
-}
-
-int vmm_entry(void)
-{
- struct kvm_vcpu *v;
- v = current_vcpu;
-
- ia64_call_vsa(PAL_VPS_RESTORE, (unsigned long)v->arch.vpd,
- 0, 0, 0, 0, 0, 0);
- kvm_init_vtlb(v);
- kvm_init_vhpt(v);
- init_vcpu(v);
- kvm_init_all_rr(v);
- vmm_reset_entry();
-
- return 0;
-}
-
-static void kvm_show_registers(struct kvm_pt_regs *regs)
-{
- unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
-
- struct kvm_vcpu *vcpu = current_vcpu;
- if (vcpu != NULL)
- printk("vcpu 0x%p vcpu %d\n",
- vcpu, vcpu->vcpu_id);
-
- printk("psr : %016lx ifs : %016lx ip : [<%016lx>]\n",
- regs->cr_ipsr, regs->cr_ifs, ip);
-
- printk("unat: %016lx pfs : %016lx rsc : %016lx\n",
- regs->ar_unat, regs->ar_pfs, regs->ar_rsc);
- printk("rnat: %016lx bspstore: %016lx pr : %016lx\n",
- regs->ar_rnat, regs->ar_bspstore, regs->pr);
- printk("ldrs: %016lx ccv : %016lx fpsr: %016lx\n",
- regs->loadrs, regs->ar_ccv, regs->ar_fpsr);
- printk("csd : %016lx ssd : %016lx\n", regs->ar_csd, regs->ar_ssd);
- printk("b0 : %016lx b6 : %016lx b7 : %016lx\n", regs->b0,
- regs->b6, regs->b7);
- printk("f6 : %05lx%016lx f7 : %05lx%016lx\n",
- regs->f6.u.bits[1], regs->f6.u.bits[0],
- regs->f7.u.bits[1], regs->f7.u.bits[0]);
- printk("f8 : %05lx%016lx f9 : %05lx%016lx\n",
- regs->f8.u.bits[1], regs->f8.u.bits[0],
- regs->f9.u.bits[1], regs->f9.u.bits[0]);
- printk("f10 : %05lx%016lx f11 : %05lx%016lx\n",
- regs->f10.u.bits[1], regs->f10.u.bits[0],
- regs->f11.u.bits[1], regs->f11.u.bits[0]);
-
- printk("r1 : %016lx r2 : %016lx r3 : %016lx\n", regs->r1,
- regs->r2, regs->r3);
- printk("r8 : %016lx r9 : %016lx r10 : %016lx\n", regs->r8,
- regs->r9, regs->r10);
- printk("r11 : %016lx r12 : %016lx r13 : %016lx\n", regs->r11,
- regs->r12, regs->r13);
- printk("r14 : %016lx r15 : %016lx r16 : %016lx\n", regs->r14,
- regs->r15, regs->r16);
- printk("r17 : %016lx r18 : %016lx r19 : %016lx\n", regs->r17,
- regs->r18, regs->r19);
- printk("r20 : %016lx r21 : %016lx r22 : %016lx\n", regs->r20,
- regs->r21, regs->r22);
- printk("r23 : %016lx r24 : %016lx r25 : %016lx\n", regs->r23,
- regs->r24, regs->r25);
- printk("r26 : %016lx r27 : %016lx r28 : %016lx\n", regs->r26,
- regs->r27, regs->r28);
- printk("r29 : %016lx r30 : %016lx r31 : %016lx\n", regs->r29,
- regs->r30, regs->r31);
-
-}
-
-void panic_vm(struct kvm_vcpu *v, const char *fmt, ...)
-{
- va_list args;
- char buf[256];
-
- struct kvm_pt_regs *regs = vcpu_regs(v);
- struct exit_ctl_data *p = &v->arch.exit_data;
- va_start(args, fmt);
- vsnprintf(buf, sizeof(buf), fmt, args);
- va_end(args);
- printk(buf);
- kvm_show_registers(regs);
- p->exit_reason = EXIT_REASON_VM_PANIC;
- vmm_transition(v);
- /*Never to return*/
- while (1);
-}