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arch/powerpc/kvm/book3s_paired_singles.c
30.6 KB
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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright Novell Inc 2010
*
* Authors: Alexander Graf <agraf@suse.de>
*/
#include <asm/kvm.h>
#include <asm/kvm_ppc.h>
#include <asm/disassemble.h>
#include <asm/kvm_book3s.h>
#include <asm/kvm_fpu.h>
#include <asm/reg.h>
#include <asm/cacheflush.h>
#include <linux/vmalloc.h>
/* #define DEBUG */
#ifdef DEBUG
#define dprintk printk
#else
#define dprintk(...) do { } while(0);
#endif
#define OP_LFS 48
#define OP_LFSU 49
#define OP_LFD 50
#define OP_LFDU 51
#define OP_STFS 52
#define OP_STFSU 53
#define OP_STFD 54
#define OP_STFDU 55
#define OP_PSQ_L 56
#define OP_PSQ_LU 57
#define OP_PSQ_ST 60
#define OP_PSQ_STU 61
#define OP_31_LFSX 535
#define OP_31_LFSUX 567
#define OP_31_LFDX 599
#define OP_31_LFDUX 631
#define OP_31_STFSX 663
#define OP_31_STFSUX 695
#define OP_31_STFX 727
#define OP_31_STFUX 759
#define OP_31_LWIZX 887
#define OP_31_STFIWX 983
#define OP_59_FADDS 21
#define OP_59_FSUBS 20
#define OP_59_FSQRTS 22
#define OP_59_FDIVS 18
#define OP_59_FRES 24
#define OP_59_FMULS 25
#define OP_59_FRSQRTES 26
#define OP_59_FMSUBS 28
#define OP_59_FMADDS 29
#define OP_59_FNMSUBS 30
#define OP_59_FNMADDS 31
#define OP_63_FCMPU 0
#define OP_63_FCPSGN 8
#define OP_63_FRSP 12
#define OP_63_FCTIW 14
#define OP_63_FCTIWZ 15
#define OP_63_FDIV 18
#define OP_63_FADD 21
#define OP_63_FSQRT 22
#define OP_63_FSEL 23
#define OP_63_FRE 24
#define OP_63_FMUL 25
#define OP_63_FRSQRTE 26
#define OP_63_FMSUB 28
#define OP_63_FMADD 29
#define OP_63_FNMSUB 30
#define OP_63_FNMADD 31
#define OP_63_FCMPO 32
#define OP_63_MTFSB1 38 // XXX
#define OP_63_FSUB 20
#define OP_63_FNEG 40
#define OP_63_MCRFS 64
#define OP_63_MTFSB0 70
#define OP_63_FMR 72
#define OP_63_MTFSFI 134
#define OP_63_FABS 264
#define OP_63_MFFS 583
#define OP_63_MTFSF 711
#define OP_4X_PS_CMPU0 0
#define OP_4X_PSQ_LX 6
#define OP_4XW_PSQ_STX 7
#define OP_4A_PS_SUM0 10
#define OP_4A_PS_SUM1 11
#define OP_4A_PS_MULS0 12
#define OP_4A_PS_MULS1 13
#define OP_4A_PS_MADDS0 14
#define OP_4A_PS_MADDS1 15
#define OP_4A_PS_DIV 18
#define OP_4A_PS_SUB 20
#define OP_4A_PS_ADD 21
#define OP_4A_PS_SEL 23
#define OP_4A_PS_RES 24
#define OP_4A_PS_MUL 25
#define OP_4A_PS_RSQRTE 26
#define OP_4A_PS_MSUB 28
#define OP_4A_PS_MADD 29
#define OP_4A_PS_NMSUB 30
#define OP_4A_PS_NMADD 31
#define OP_4X_PS_CMPO0 32
#define OP_4X_PSQ_LUX 38
#define OP_4XW_PSQ_STUX 39
#define OP_4X_PS_NEG 40
#define OP_4X_PS_CMPU1 64
#define OP_4X_PS_MR 72
#define OP_4X_PS_CMPO1 96
#define OP_4X_PS_NABS 136
#define OP_4X_PS_ABS 264
#define OP_4X_PS_MERGE00 528
#define OP_4X_PS_MERGE01 560
#define OP_4X_PS_MERGE10 592
#define OP_4X_PS_MERGE11 624
#define SCALAR_NONE 0
#define SCALAR_HIGH (1 << 0)
#define SCALAR_LOW (1 << 1)
#define SCALAR_NO_PS0 (1 << 2)
#define SCALAR_NO_PS1 (1 << 3)
#define GQR_ST_TYPE_MASK 0x00000007
#define GQR_ST_TYPE_SHIFT 0
#define GQR_ST_SCALE_MASK 0x00003f00
#define GQR_ST_SCALE_SHIFT 8
#define GQR_LD_TYPE_MASK 0x00070000
#define GQR_LD_TYPE_SHIFT 16
#define GQR_LD_SCALE_MASK 0x3f000000
#define GQR_LD_SCALE_SHIFT 24
#define GQR_QUANTIZE_FLOAT 0
#define GQR_QUANTIZE_U8 4
#define GQR_QUANTIZE_U16 5
#define GQR_QUANTIZE_S8 6
#define GQR_QUANTIZE_S16 7
#define FPU_LS_SINGLE 0
#define FPU_LS_DOUBLE 1
#define FPU_LS_SINGLE_LOW 2
static inline void kvmppc_sync_qpr(struct kvm_vcpu *vcpu, int rt)
{
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kvm_cvt_df(&vcpu->arch.fpr[rt], &vcpu->arch.qpr[rt]); |
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}
static void kvmppc_inject_pf(struct kvm_vcpu *vcpu, ulong eaddr, bool is_store)
{
u64 dsisr;
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struct kvm_vcpu_arch_shared *shared = vcpu->arch.shared; |
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shared->msr = kvmppc_set_field(shared->msr, 33, 36, 0); shared->msr = kvmppc_set_field(shared->msr, 42, 47, 0); |
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shared->dar = eaddr; |
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/* Page Fault */ dsisr = kvmppc_set_field(0, 33, 33, 1); if (is_store) |
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shared->dsisr = kvmppc_set_field(dsisr, 38, 38, 1); |
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kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE);
}
static int kvmppc_emulate_fpr_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
int rs, ulong addr, int ls_type)
{
int emulated = EMULATE_FAIL;
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int r; char tmp[8]; int len = sizeof(u32); if (ls_type == FPU_LS_DOUBLE) len = sizeof(u64); |
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/* read from memory */
r = kvmppc_ld(vcpu, &addr, len, tmp, true);
vcpu->arch.paddr_accessed = addr;
if (r < 0) {
kvmppc_inject_pf(vcpu, addr, false);
goto done_load;
} else if (r == EMULATE_DO_MMIO) {
emulated = kvmppc_handle_load(run, vcpu, KVM_REG_FPR | rs, len, 1);
goto done_load;
}
emulated = EMULATE_DONE;
/* put in registers */
switch (ls_type) {
case FPU_LS_SINGLE:
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kvm_cvt_fd((u32*)tmp, &vcpu->arch.fpr[rs]); |
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vcpu->arch.qpr[rs] = *((u32*)tmp);
break;
case FPU_LS_DOUBLE:
vcpu->arch.fpr[rs] = *((u64*)tmp);
break;
}
dprintk(KERN_INFO "KVM: FPR_LD [0x%llx] at 0x%lx (%d)
", *(u64*)tmp,
addr, len);
done_load:
return emulated;
}
static int kvmppc_emulate_fpr_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
int rs, ulong addr, int ls_type)
{
int emulated = EMULATE_FAIL;
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int r; char tmp[8]; u64 val; int len; |
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switch (ls_type) {
case FPU_LS_SINGLE:
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kvm_cvt_df(&vcpu->arch.fpr[rs], (u32*)tmp); |
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val = *((u32*)tmp);
len = sizeof(u32);
break;
case FPU_LS_SINGLE_LOW:
*((u32*)tmp) = vcpu->arch.fpr[rs];
val = vcpu->arch.fpr[rs] & 0xffffffff;
len = sizeof(u32);
break;
case FPU_LS_DOUBLE:
*((u64*)tmp) = vcpu->arch.fpr[rs];
val = vcpu->arch.fpr[rs];
len = sizeof(u64);
break;
default:
val = 0;
len = 0;
}
r = kvmppc_st(vcpu, &addr, len, tmp, true);
vcpu->arch.paddr_accessed = addr;
if (r < 0) {
kvmppc_inject_pf(vcpu, addr, true);
} else if (r == EMULATE_DO_MMIO) {
emulated = kvmppc_handle_store(run, vcpu, val, len, 1);
} else {
emulated = EMULATE_DONE;
}
dprintk(KERN_INFO "KVM: FPR_ST [0x%llx] at 0x%lx (%d)
",
val, addr, len);
return emulated;
}
static int kvmppc_emulate_psq_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
int rs, ulong addr, bool w, int i)
{
int emulated = EMULATE_FAIL;
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int r; float one = 1.0; u32 tmp[2]; |
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/* read from memory */
if (w) {
r = kvmppc_ld(vcpu, &addr, sizeof(u32), tmp, true);
memcpy(&tmp[1], &one, sizeof(u32));
} else {
r = kvmppc_ld(vcpu, &addr, sizeof(u32) * 2, tmp, true);
}
vcpu->arch.paddr_accessed = addr;
if (r < 0) {
kvmppc_inject_pf(vcpu, addr, false);
goto done_load;
} else if ((r == EMULATE_DO_MMIO) && w) {
emulated = kvmppc_handle_load(run, vcpu, KVM_REG_FPR | rs, 4, 1);
vcpu->arch.qpr[rs] = tmp[1];
goto done_load;
} else if (r == EMULATE_DO_MMIO) {
emulated = kvmppc_handle_load(run, vcpu, KVM_REG_FQPR | rs, 8, 1);
goto done_load;
}
emulated = EMULATE_DONE;
/* put in registers */
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kvm_cvt_fd(&tmp[0], &vcpu->arch.fpr[rs]); |
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vcpu->arch.qpr[rs] = tmp[1];
dprintk(KERN_INFO "KVM: PSQ_LD [0x%x, 0x%x] at 0x%lx (%d)
", tmp[0],
tmp[1], addr, w ? 4 : 8);
done_load:
return emulated;
}
static int kvmppc_emulate_psq_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
int rs, ulong addr, bool w, int i)
{
int emulated = EMULATE_FAIL;
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int r; u32 tmp[2]; int len = w ? sizeof(u32) : sizeof(u64); |
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kvm_cvt_df(&vcpu->arch.fpr[rs], &tmp[0]); |
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tmp[1] = vcpu->arch.qpr[rs];
r = kvmppc_st(vcpu, &addr, len, tmp, true);
vcpu->arch.paddr_accessed = addr;
if (r < 0) {
kvmppc_inject_pf(vcpu, addr, true);
} else if ((r == EMULATE_DO_MMIO) && w) {
emulated = kvmppc_handle_store(run, vcpu, tmp[0], 4, 1);
} else if (r == EMULATE_DO_MMIO) {
u64 val = ((u64)tmp[0] << 32) | tmp[1];
emulated = kvmppc_handle_store(run, vcpu, val, 8, 1);
} else {
emulated = EMULATE_DONE;
}
dprintk(KERN_INFO "KVM: PSQ_ST [0x%x, 0x%x] at 0x%lx (%d)
",
tmp[0], tmp[1], addr, len);
return emulated;
}
/*
* Cuts out inst bits with ordering according to spec.
* That means the leftmost bit is zero. All given bits are included.
*/
static inline u32 inst_get_field(u32 inst, int msb, int lsb)
{
return kvmppc_get_field(inst, msb + 32, lsb + 32);
}
/*
* Replaces inst bits with ordering according to spec.
*/
static inline u32 inst_set_field(u32 inst, int msb, int lsb, int value)
{
return kvmppc_set_field(inst, msb + 32, lsb + 32, value);
}
bool kvmppc_inst_is_paired_single(struct kvm_vcpu *vcpu, u32 inst)
{
if (!(vcpu->arch.hflags & BOOK3S_HFLAG_PAIRED_SINGLE))
return false;
switch (get_op(inst)) {
case OP_PSQ_L:
case OP_PSQ_LU:
case OP_PSQ_ST:
case OP_PSQ_STU:
case OP_LFS:
case OP_LFSU:
case OP_LFD:
case OP_LFDU:
case OP_STFS:
case OP_STFSU:
case OP_STFD:
case OP_STFDU:
return true;
case 4:
/* X form */
switch (inst_get_field(inst, 21, 30)) {
case OP_4X_PS_CMPU0:
case OP_4X_PSQ_LX:
case OP_4X_PS_CMPO0:
case OP_4X_PSQ_LUX:
case OP_4X_PS_NEG:
case OP_4X_PS_CMPU1:
case OP_4X_PS_MR:
case OP_4X_PS_CMPO1:
case OP_4X_PS_NABS:
case OP_4X_PS_ABS:
case OP_4X_PS_MERGE00:
case OP_4X_PS_MERGE01:
case OP_4X_PS_MERGE10:
case OP_4X_PS_MERGE11:
return true;
}
/* XW form */
switch (inst_get_field(inst, 25, 30)) {
case OP_4XW_PSQ_STX:
case OP_4XW_PSQ_STUX:
return true;
}
/* A form */
switch (inst_get_field(inst, 26, 30)) {
case OP_4A_PS_SUM1:
case OP_4A_PS_SUM0:
case OP_4A_PS_MULS0:
case OP_4A_PS_MULS1:
case OP_4A_PS_MADDS0:
case OP_4A_PS_MADDS1:
case OP_4A_PS_DIV:
case OP_4A_PS_SUB:
case OP_4A_PS_ADD:
case OP_4A_PS_SEL:
case OP_4A_PS_RES:
case OP_4A_PS_MUL:
case OP_4A_PS_RSQRTE:
case OP_4A_PS_MSUB:
case OP_4A_PS_MADD:
case OP_4A_PS_NMSUB:
case OP_4A_PS_NMADD:
return true;
}
break;
case 59:
switch (inst_get_field(inst, 21, 30)) {
case OP_59_FADDS:
case OP_59_FSUBS:
case OP_59_FDIVS:
case OP_59_FRES:
case OP_59_FRSQRTES:
return true;
}
switch (inst_get_field(inst, 26, 30)) {
case OP_59_FMULS:
case OP_59_FMSUBS:
case OP_59_FMADDS:
case OP_59_FNMSUBS:
case OP_59_FNMADDS:
return true;
}
break;
case 63:
switch (inst_get_field(inst, 21, 30)) {
case OP_63_MTFSB0:
case OP_63_MTFSB1:
case OP_63_MTFSF:
case OP_63_MTFSFI:
case OP_63_MCRFS:
case OP_63_MFFS:
case OP_63_FCMPU:
case OP_63_FCMPO:
case OP_63_FNEG:
case OP_63_FMR:
case OP_63_FABS:
case OP_63_FRSP:
case OP_63_FDIV:
case OP_63_FADD:
case OP_63_FSUB:
case OP_63_FCTIW:
case OP_63_FCTIWZ:
case OP_63_FRSQRTE:
case OP_63_FCPSGN:
return true;
}
switch (inst_get_field(inst, 26, 30)) {
case OP_63_FMUL:
case OP_63_FSEL:
case OP_63_FMSUB:
case OP_63_FMADD:
case OP_63_FNMSUB:
case OP_63_FNMADD:
return true;
}
break;
case 31:
switch (inst_get_field(inst, 21, 30)) {
case OP_31_LFSX:
case OP_31_LFSUX:
case OP_31_LFDX:
case OP_31_LFDUX:
case OP_31_STFSX:
case OP_31_STFSUX:
case OP_31_STFX:
case OP_31_STFUX:
case OP_31_STFIWX:
return true;
}
break;
}
return false;
}
static int get_d_signext(u32 inst)
{
int d = inst & 0x8ff;
if (d & 0x800)
return -(d & 0x7ff);
return (d & 0x7ff);
}
static int kvmppc_ps_three_in(struct kvm_vcpu *vcpu, bool rc,
int reg_out, int reg_in1, int reg_in2,
int reg_in3, int scalar,
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void (*func)(u64 *fpscr, |
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u32 *dst, u32 *src1,
u32 *src2, u32 *src3))
{
u32 *qpr = vcpu->arch.qpr;
u64 *fpr = vcpu->arch.fpr;
u32 ps0_out;
u32 ps0_in1, ps0_in2, ps0_in3;
u32 ps1_in1, ps1_in2, ps1_in3;
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/* RC */ WARN_ON(rc); /* PS0 */ |
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kvm_cvt_df(&fpr[reg_in1], &ps0_in1); kvm_cvt_df(&fpr[reg_in2], &ps0_in2); kvm_cvt_df(&fpr[reg_in3], &ps0_in3); |
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if (scalar & SCALAR_LOW) ps0_in2 = qpr[reg_in2]; |
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func(&vcpu->arch.fpscr, &ps0_out, &ps0_in1, &ps0_in2, &ps0_in3); |
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dprintk(KERN_INFO "PS3 ps0 -> f(0x%x, 0x%x, 0x%x) = 0x%x ", ps0_in1, ps0_in2, ps0_in3, ps0_out); if (!(scalar & SCALAR_NO_PS0)) |
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kvm_cvt_fd(&ps0_out, &fpr[reg_out]); |
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/* PS1 */ ps1_in1 = qpr[reg_in1]; ps1_in2 = qpr[reg_in2]; ps1_in3 = qpr[reg_in3]; if (scalar & SCALAR_HIGH) ps1_in2 = ps0_in2; if (!(scalar & SCALAR_NO_PS1)) |
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func(&vcpu->arch.fpscr, &qpr[reg_out], &ps1_in1, &ps1_in2, &ps1_in3); |
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dprintk(KERN_INFO "PS3 ps1 -> f(0x%x, 0x%x, 0x%x) = 0x%x ", ps1_in1, ps1_in2, ps1_in3, qpr[reg_out]); return EMULATE_DONE; } static int kvmppc_ps_two_in(struct kvm_vcpu *vcpu, bool rc, int reg_out, int reg_in1, int reg_in2, int scalar, |
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void (*func)(u64 *fpscr, |
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u32 *dst, u32 *src1,
u32 *src2))
{
u32 *qpr = vcpu->arch.qpr;
u64 *fpr = vcpu->arch.fpr;
u32 ps0_out;
u32 ps0_in1, ps0_in2;
u32 ps1_out;
u32 ps1_in1, ps1_in2;
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/* RC */ WARN_ON(rc); /* PS0 */ |
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kvm_cvt_df(&fpr[reg_in1], &ps0_in1); |
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if (scalar & SCALAR_LOW) ps0_in2 = qpr[reg_in2]; else |
|
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powerpc: Remove f...
|
576 |
kvm_cvt_df(&fpr[reg_in2], &ps0_in2); |
|
831317b60
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|
577 |
|
|
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|
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func(&vcpu->arch.fpscr, &ps0_out, &ps0_in1, &ps0_in2); |
|
831317b60
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|
579 580 581 582 583 |
if (!(scalar & SCALAR_NO_PS0)) {
dprintk(KERN_INFO "PS2 ps0 -> f(0x%x, 0x%x) = 0x%x
",
ps0_in1, ps0_in2, ps0_out);
|
|
05d77ac90
powerpc: Remove f...
|
584 |
kvm_cvt_fd(&ps0_out, &fpr[reg_out]); |
|
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|
585 586 587 588 589 590 591 592 |
} /* PS1 */ ps1_in1 = qpr[reg_in1]; ps1_in2 = qpr[reg_in2]; if (scalar & SCALAR_HIGH) ps1_in2 = ps0_in2; |
|
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KVM: PPC: elide s...
|
593 |
func(&vcpu->arch.fpscr, &ps1_out, &ps1_in1, &ps1_in2); |
|
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|
594 595 596 597 598 599 600 601 602 603 604 605 606 607 |
if (!(scalar & SCALAR_NO_PS1)) {
qpr[reg_out] = ps1_out;
dprintk(KERN_INFO "PS2 ps1 -> f(0x%x, 0x%x) = 0x%x
",
ps1_in1, ps1_in2, qpr[reg_out]);
}
return EMULATE_DONE;
}
static int kvmppc_ps_one_in(struct kvm_vcpu *vcpu, bool rc,
int reg_out, int reg_in,
|
|
49f6be8ea
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|
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void (*func)(u64 *t, |
|
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|
609 610 611 612 613 614 |
u32 *dst, u32 *src1))
{
u32 *qpr = vcpu->arch.qpr;
u64 *fpr = vcpu->arch.fpr;
u32 ps0_out, ps0_in;
u32 ps1_in;
|
|
831317b60
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|
615 616 617 618 619 |
/* RC */ WARN_ON(rc); /* PS0 */ |
|
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|
620 |
kvm_cvt_df(&fpr[reg_in], &ps0_in); |
|
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KVM: PPC: elide s...
|
621 |
func(&vcpu->arch.fpscr, &ps0_out, &ps0_in); |
|
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|
622 623 624 625 |
dprintk(KERN_INFO "PS1 ps0 -> f(0x%x) = 0x%x ", ps0_in, ps0_out); |
|
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|
626 |
kvm_cvt_fd(&ps0_out, &fpr[reg_out]); |
|
831317b60
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|
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/* PS1 */ ps1_in = qpr[reg_in]; |
|
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|
630 |
func(&vcpu->arch.fpscr, &qpr[reg_out], &ps1_in); |
|
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|
631 632 633 634 635 636 637 638 639 640 |
dprintk(KERN_INFO "PS1 ps1 -> f(0x%x) = 0x%x
",
ps1_in, qpr[reg_out]);
return EMULATE_DONE;
}
int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
{
|
|
c7f38f46f
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|
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u32 inst = kvmppc_get_last_inst(vcpu); |
|
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|
642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 |
enum emulation_result emulated = EMULATE_DONE; int ax_rd = inst_get_field(inst, 6, 10); int ax_ra = inst_get_field(inst, 11, 15); int ax_rb = inst_get_field(inst, 16, 20); int ax_rc = inst_get_field(inst, 21, 25); short full_d = inst_get_field(inst, 16, 31); u64 *fpr_d = &vcpu->arch.fpr[ax_rd]; u64 *fpr_a = &vcpu->arch.fpr[ax_ra]; u64 *fpr_b = &vcpu->arch.fpr[ax_rb]; u64 *fpr_c = &vcpu->arch.fpr[ax_rc]; bool rcomp = (inst & 1) ? true : false; u32 cr = kvmppc_get_cr(vcpu); |
|
831317b60
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|
657 658 659 |
#ifdef DEBUG int i; #endif |
|
831317b60
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|
660 661 |
if (!kvmppc_inst_is_paired_single(vcpu, inst)) return EMULATE_FAIL; |
|
666e7252a
KVM: PPC: Convert...
|
662 |
if (!(vcpu->arch.shared->msr & MSR_FP)) {
|
|
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|
663 664 665 666 667 668 669 670 671 672 673 674 |
kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL);
return EMULATE_AGAIN;
}
kvmppc_giveup_ext(vcpu, MSR_FP);
preempt_disable();
enable_kernel_fp();
/* Do we need to clear FE0 / FE1 here? Don't think so. */
#ifdef DEBUG
for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
u32 f;
|
|
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|
675 |
kvm_cvt_df(&vcpu->arch.fpr[i], &f); |
|
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|
676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 |
dprintk(KERN_INFO "FPR[%d] = 0x%x / 0x%llx QPR[%d] = 0x%x
",
i, f, vcpu->arch.fpr[i], i, vcpu->arch.qpr[i]);
}
#endif
switch (get_op(inst)) {
case OP_PSQ_L:
{
ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
bool w = inst_get_field(inst, 16, 16) ? true : false;
int i = inst_get_field(inst, 17, 19);
addr += get_d_signext(inst);
emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
break;
}
case OP_PSQ_LU:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
bool w = inst_get_field(inst, 16, 16) ? true : false;
int i = inst_get_field(inst, 17, 19);
addr += get_d_signext(inst);
emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_PSQ_ST:
{
ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
bool w = inst_get_field(inst, 16, 16) ? true : false;
int i = inst_get_field(inst, 17, 19);
addr += get_d_signext(inst);
emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
break;
}
case OP_PSQ_STU:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
bool w = inst_get_field(inst, 16, 16) ? true : false;
int i = inst_get_field(inst, 17, 19);
addr += get_d_signext(inst);
emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case 4:
/* X form */
switch (inst_get_field(inst, 21, 30)) {
case OP_4X_PS_CMPU0:
/* XXX */
emulated = EMULATE_FAIL;
break;
case OP_4X_PSQ_LX:
{
ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
bool w = inst_get_field(inst, 21, 21) ? true : false;
int i = inst_get_field(inst, 22, 24);
addr += kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
break;
}
case OP_4X_PS_CMPO0:
/* XXX */
emulated = EMULATE_FAIL;
break;
case OP_4X_PSQ_LUX:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
bool w = inst_get_field(inst, 21, 21) ? true : false;
int i = inst_get_field(inst, 22, 24);
addr += kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_4X_PS_NEG:
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
vcpu->arch.fpr[ax_rd] ^= 0x8000000000000000ULL;
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
vcpu->arch.qpr[ax_rd] ^= 0x80000000;
break;
case OP_4X_PS_CMPU1:
/* XXX */
emulated = EMULATE_FAIL;
break;
case OP_4X_PS_MR:
WARN_ON(rcomp);
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
break;
case OP_4X_PS_CMPO1:
/* XXX */
emulated = EMULATE_FAIL;
break;
case OP_4X_PS_NABS:
WARN_ON(rcomp);
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
vcpu->arch.fpr[ax_rd] |= 0x8000000000000000ULL;
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
vcpu->arch.qpr[ax_rd] |= 0x80000000;
break;
case OP_4X_PS_ABS:
WARN_ON(rcomp);
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rb];
vcpu->arch.fpr[ax_rd] &= ~0x8000000000000000ULL;
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
vcpu->arch.qpr[ax_rd] &= ~0x80000000;
break;
case OP_4X_PS_MERGE00:
WARN_ON(rcomp);
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra];
/* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
|
|
49f6be8ea
KVM: PPC: elide s...
|
800 |
kvm_cvt_df(&vcpu->arch.fpr[ax_rb], |
|
05d77ac90
powerpc: Remove f...
|
801 |
&vcpu->arch.qpr[ax_rd]); |
|
831317b60
KVM: PPC: Impleme...
|
802 803 804 805 806 807 808 809 810 |
break; case OP_4X_PS_MERGE01: WARN_ON(rcomp); vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra]; vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb]; break; case OP_4X_PS_MERGE10: WARN_ON(rcomp); /* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */ |
|
49f6be8ea
KVM: PPC: elide s...
|
811 |
kvm_cvt_fd(&vcpu->arch.qpr[ax_ra], |
|
05d77ac90
powerpc: Remove f...
|
812 |
&vcpu->arch.fpr[ax_rd]); |
|
831317b60
KVM: PPC: Impleme...
|
813 |
/* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */ |
|
49f6be8ea
KVM: PPC: elide s...
|
814 |
kvm_cvt_df(&vcpu->arch.fpr[ax_rb], |
|
05d77ac90
powerpc: Remove f...
|
815 |
&vcpu->arch.qpr[ax_rd]); |
|
831317b60
KVM: PPC: Impleme...
|
816 817 818 819 |
break; case OP_4X_PS_MERGE11: WARN_ON(rcomp); /* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */ |
|
49f6be8ea
KVM: PPC: elide s...
|
820 |
kvm_cvt_fd(&vcpu->arch.qpr[ax_ra], |
|
05d77ac90
powerpc: Remove f...
|
821 |
&vcpu->arch.fpr[ax_rd]); |
|
831317b60
KVM: PPC: Impleme...
|
822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 |
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
break;
}
/* XW form */
switch (inst_get_field(inst, 25, 30)) {
case OP_4XW_PSQ_STX:
{
ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
bool w = inst_get_field(inst, 21, 21) ? true : false;
int i = inst_get_field(inst, 22, 24);
addr += kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
break;
}
case OP_4XW_PSQ_STUX:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra);
bool w = inst_get_field(inst, 21, 21) ? true : false;
int i = inst_get_field(inst, 22, 24);
addr += kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
}
/* A form */
switch (inst_get_field(inst, 26, 30)) {
case OP_4A_PS_SUM1:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_rb, ax_ra, SCALAR_NO_PS0 | SCALAR_HIGH, fps_fadds);
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_rc];
break;
case OP_4A_PS_SUM0:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rb, SCALAR_NO_PS1 | SCALAR_LOW, fps_fadds);
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rc];
break;
case OP_4A_PS_MULS0:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, SCALAR_HIGH, fps_fmuls);
break;
case OP_4A_PS_MULS1:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, SCALAR_LOW, fps_fmuls);
break;
case OP_4A_PS_MADDS0:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_HIGH, fps_fmadds);
break;
case OP_4A_PS_MADDS1:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_LOW, fps_fmadds);
break;
case OP_4A_PS_DIV:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rb, SCALAR_NONE, fps_fdivs);
break;
case OP_4A_PS_SUB:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rb, SCALAR_NONE, fps_fsubs);
break;
case OP_4A_PS_ADD:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rb, SCALAR_NONE, fps_fadds);
break;
case OP_4A_PS_SEL:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fsel);
break;
case OP_4A_PS_RES:
emulated = kvmppc_ps_one_in(vcpu, rcomp, ax_rd,
ax_rb, fps_fres);
break;
case OP_4A_PS_MUL:
emulated = kvmppc_ps_two_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, SCALAR_NONE, fps_fmuls);
break;
case OP_4A_PS_RSQRTE:
emulated = kvmppc_ps_one_in(vcpu, rcomp, ax_rd,
ax_rb, fps_frsqrte);
break;
case OP_4A_PS_MSUB:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fmsubs);
break;
case OP_4A_PS_MADD:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fmadds);
break;
case OP_4A_PS_NMSUB:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fnmsubs);
break;
case OP_4A_PS_NMADD:
emulated = kvmppc_ps_three_in(vcpu, rcomp, ax_rd,
ax_ra, ax_rc, ax_rb, SCALAR_NONE, fps_fnmadds);
break;
}
break;
/* Real FPU operations */
case OP_LFS:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
FPU_LS_SINGLE);
break;
}
case OP_LFSU:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
FPU_LS_SINGLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_LFD:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
FPU_LS_DOUBLE);
break;
}
case OP_LFDU:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
FPU_LS_DOUBLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_STFS:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
FPU_LS_SINGLE);
break;
}
case OP_STFSU:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
FPU_LS_SINGLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_STFD:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
FPU_LS_DOUBLE);
break;
}
case OP_STFDU:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
FPU_LS_DOUBLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case 31:
switch (inst_get_field(inst, 21, 30)) {
case OP_31_LFSX:
{
ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
addr += kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
addr, FPU_LS_SINGLE);
break;
}
case OP_31_LFSUX:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
addr, FPU_LS_SINGLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_31_LFDX:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
addr, FPU_LS_DOUBLE);
break;
}
case OP_31_LFDUX:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
addr, FPU_LS_DOUBLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_31_STFSX:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
addr, FPU_LS_SINGLE);
break;
}
case OP_31_STFSUX:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
addr, FPU_LS_SINGLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_31_STFX:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
addr, FPU_LS_DOUBLE);
break;
}
case OP_31_STFUX:
{
ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
addr, FPU_LS_DOUBLE);
if (emulated == EMULATE_DONE)
kvmppc_set_gpr(vcpu, ax_ra, addr);
break;
}
case OP_31_STFIWX:
{
ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
kvmppc_get_gpr(vcpu, ax_rb);
emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
addr,
FPU_LS_SINGLE_LOW);
break;
}
break;
}
break;
case 59:
switch (inst_get_field(inst, 21, 30)) {
case OP_59_FADDS:
fpd_fadds(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FSUBS:
fpd_fsubs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FDIVS:
fpd_fdivs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FRES:
fpd_fres(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FRSQRTES:
fpd_frsqrtes(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
}
switch (inst_get_field(inst, 26, 30)) {
case OP_59_FMULS:
fpd_fmuls(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FMSUBS:
fpd_fmsubs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FMADDS:
fpd_fmadds(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FNMSUBS:
fpd_fnmsubs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_59_FNMADDS:
fpd_fnmadds(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
}
break;
case 63:
switch (inst_get_field(inst, 21, 30)) {
case OP_63_MTFSB0:
case OP_63_MTFSB1:
case OP_63_MCRFS:
case OP_63_MTFSFI:
/* XXX need to implement */
break;
case OP_63_MFFS:
/* XXX missing CR */
*fpr_d = vcpu->arch.fpscr;
break;
case OP_63_MTFSF:
/* XXX missing fm bits */
/* XXX missing CR */
vcpu->arch.fpscr = *fpr_b;
break;
case OP_63_FCMPU:
{
u32 tmp_cr;
u32 cr0_mask = 0xf0000000;
u32 cr_shift = inst_get_field(inst, 6, 8) * 4;
fpd_fcmpu(&vcpu->arch.fpscr, &tmp_cr, fpr_a, fpr_b);
cr &= ~(cr0_mask >> cr_shift);
cr |= (cr & cr0_mask) >> cr_shift;
break;
}
case OP_63_FCMPO:
{
u32 tmp_cr;
u32 cr0_mask = 0xf0000000;
u32 cr_shift = inst_get_field(inst, 6, 8) * 4;
fpd_fcmpo(&vcpu->arch.fpscr, &tmp_cr, fpr_a, fpr_b);
cr &= ~(cr0_mask >> cr_shift);
cr |= (cr & cr0_mask) >> cr_shift;
break;
}
case OP_63_FNEG:
fpd_fneg(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
break;
case OP_63_FMR:
*fpr_d = *fpr_b;
break;
case OP_63_FABS:
fpd_fabs(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
break;
case OP_63_FCPSGN:
fpd_fcpsgn(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
break;
case OP_63_FDIV:
fpd_fdiv(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
break;
case OP_63_FADD:
fpd_fadd(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
break;
case OP_63_FSUB:
fpd_fsub(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_b);
break;
case OP_63_FCTIW:
fpd_fctiw(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
break;
case OP_63_FCTIWZ:
fpd_fctiwz(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
break;
case OP_63_FRSP:
fpd_frsp(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
kvmppc_sync_qpr(vcpu, ax_rd);
break;
case OP_63_FRSQRTE:
{
double one = 1.0f;
/* fD = sqrt(fB) */
fpd_fsqrt(&vcpu->arch.fpscr, &cr, fpr_d, fpr_b);
/* fD = 1.0f / fD */
fpd_fdiv(&vcpu->arch.fpscr, &cr, fpr_d, (u64*)&one, fpr_d);
break;
}
}
switch (inst_get_field(inst, 26, 30)) {
case OP_63_FMUL:
fpd_fmul(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c);
break;
case OP_63_FSEL:
fpd_fsel(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
break;
case OP_63_FMSUB:
fpd_fmsub(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
break;
case OP_63_FMADD:
fpd_fmadd(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
break;
case OP_63_FNMSUB:
fpd_fnmsub(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
break;
case OP_63_FNMADD:
fpd_fnmadd(&vcpu->arch.fpscr, &cr, fpr_d, fpr_a, fpr_c, fpr_b);
break;
}
break;
}
#ifdef DEBUG
for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
u32 f;
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powerpc: Remove f...
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kvm_cvt_df(&vcpu->arch.fpr[i], &f); |
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KVM: PPC: Impleme...
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dprintk(KERN_INFO "FPR[%d] = 0x%x ", i, f); } #endif if (rcomp) kvmppc_set_cr(vcpu, cr); preempt_enable(); return emulated; } |