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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [IA64] more mmio insn for VTi
# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID c3972d632ff6bda90a858117ed5ba7b525c24ba2
# Parent 2de95fd92e740eb709e2b54aa5d4ef54e1cf97a1
[IA64] more mmio insn for VTi
getfpregs rewritten for Xen.
mmio.c: handle more instructions, panic replaced by panic_domain.
Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>
diff -r 2de95fd92e74 -r c3972d632ff6 xen/arch/ia64/Rules.mk
--- a/xen/arch/ia64/Rules.mk Wed Apr 19 10:26:50 2006 -0600
+++ b/xen/arch/ia64/Rules.mk Wed Apr 19 10:32:36 2006 -0600
@@ -28,7 +28,7 @@ CFLAGS += -I$(BASEDIR)/include/asm-ia64
-I$(BASEDIR)/arch/ia64/linux -I$(BASEDIR)/arch/ia64/linux-xen
#CFLAGS += -Wno-pointer-arith -Wredundant-decls
CFLAGS += -DIA64 -DXEN -DLINUX_2_6 -DV_IOSAPIC_READY
-CFLAGS += -ffixed-r13 -mfixed-range=f12-f15,f32-f127
+CFLAGS += -ffixed-r13 -mfixed-range=f2-f5,f12-f127
CFLAGS += -g
#CFLAGS += -DVTI_DEBUG
ifeq ($(VALIDATE_VT),y)
diff -r 2de95fd92e74 -r c3972d632ff6 xen/arch/ia64/linux-xen/unaligned.c
--- a/xen/arch/ia64/linux-xen/unaligned.c Wed Apr 19 10:26:50 2006 -0600
+++ b/xen/arch/ia64/linux-xen/unaligned.c Wed Apr 19 10:32:36 2006 -0600
@@ -750,6 +750,154 @@ getfpreg (unsigned long regnum, struct i
}
}
}
+#else
+void
+getfpreg (unsigned long regnum, struct ia64_fpreg *fpval, struct pt_regs *regs)
+{
+#define CASE_FIXED_FP(reg) \
+ case reg: \
+ ia64_stf_spill(fpval,reg); \
+ break
+#define CASE_SAVED_FP(reg) \
+ case reg: \
+ fpval->u.bits[0] = regs->f##reg.u.bits[0]; \
+ fpval->u.bits[1] = regs->f##reg.u.bits[1]; \
+ 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_SAVED_FP(6);
+ CASE_SAVED_FP(7);
+ CASE_SAVED_FP(8);
+ CASE_SAVED_FP(9);
+ CASE_SAVED_FP(10);
+ CASE_SAVED_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
+#undef CASE_SAVED_FP
+}
#endif /* XEN */
diff -r 2de95fd92e74 -r c3972d632ff6 xen/arch/ia64/vmx/mmio.c
--- a/xen/arch/ia64/vmx/mmio.c Wed Apr 19 10:26:50 2006 -0600
+++ b/xen/arch/ia64/vmx/mmio.c Wed Apr 19 10:32:36 2006 -0600
@@ -57,20 +57,21 @@ static void pib_write(VCPU *vcpu, void *
{
switch (pib_off) {
case PIB_OFST_INTA:
- panic("Undefined write on PIB INTA\n");
+ panic_domain(NULL,"Undefined write on PIB INTA\n");
break;
case PIB_OFST_XTP:
if ( s == 1 && ma == 4 /* UC */) {
vmx_vcpu_get_plat(vcpu)->xtp = *(uint8_t *)src;
}
else {
- panic("Undefined write on PIB XTP\n");
+ panic_domain(NULL,"Undefined write on PIB XTP\n");
}
break;
default:
if ( PIB_LOW_HALF(pib_off) ) { // lower half
if ( s != 8 || ma != 0x4 /* UC */ ) {
- panic("Undefined IPI-LHF write with s %ld, ma %d!\n", s, ma);
+ panic_domain
+ (NULL,"Undefined IPI-LHF write with s %ld, ma %d!\n", s, ma);
}
else {
write_ipi(vcpu, pib_off, *(uint64_t *)src);
@@ -79,7 +80,7 @@ static void pib_write(VCPU *vcpu, void *
}
else { // upper half
printf("IPI-UHF write %lx\n",pib_off);
- panic("Not support yet for SM-VP\n");
+ panic_domain(NULL,"Not support yet for SM-VP\n");
}
break;
}
@@ -94,7 +95,7 @@ static void pib_read(VCPU *vcpu, uint64_
// TODO: INTA read from IOSAPIC
}
else {
- panic("Undefined read on PIB INTA\n");
+ panic_domain(NULL,"Undefined read on PIB INTA\n");
}
break;
case PIB_OFST_XTP:
@@ -102,13 +103,13 @@ static void pib_read(VCPU *vcpu, uint64_
*((uint8_t*)dest) = vmx_vcpu_get_plat(vcpu)->xtp;
}
else {
- panic("Undefined read on PIB XTP\n");
+ panic_domain(NULL,"Undefined read on PIB XTP\n");
}
break;
default:
if ( PIB_LOW_HALF(pib_off) ) { // lower half
if ( s != 8 || ma != 4 ) {
- panic("Undefined IPI-LHF read!\n");
+ panic_domain(NULL,"Undefined IPI-LHF read!\n");
}
else {
#ifdef IPI_DEBUG
@@ -119,7 +120,7 @@ static void pib_read(VCPU *vcpu, uint64_
}
else { // upper half
if ( s != 1 || ma != 4 ) {
- panic("Undefined PIB-UHF read!\n");
+ panic_domain(NULL,"Undefined PIB-UHF read!\n");
}
else {
#ifdef IPI_DEBUG
@@ -140,7 +141,7 @@ static void low_mmio_access(VCPU *vcpu,
vio = get_vio(v->domain, v->vcpu_id);
if (vio == 0) {
- panic("bad shared page: %lx", (unsigned long)vio);
+ panic_domain(NULL,"bad shared page: %lx", (unsigned long)vio);
}
p = &vio->vp_ioreq;
p->addr = pa;
@@ -172,7 +173,7 @@ static void legacy_io_access(VCPU *vcpu,
vio = get_vio(v->domain, v->vcpu_id);
if (vio == 0) {
- panic("bad shared page\n");
+ panic_domain(NULL,"bad shared page\n");
}
p = &vio->vp_ioreq;
p->addr = TO_LEGACY_IO(pa&0x3ffffffUL);
@@ -237,7 +238,7 @@ static void mmio_access(VCPU *vcpu, u64
legacy_io_access(vcpu, src_pa, dest, s, dir);
break;
default:
- panic("Bad I/O access\n");
+ panic_domain(NULL,"Bad I/O access\n");
break;
}
return;
@@ -285,7 +286,7 @@ memread_v(VCPU *vcpu, thash_data_t *vtlb
uint64_t pa;
if (!vtlb->nomap)
- panic("Normal memory write shouldn't go to this point!");
+ panic_domain(NULL,"Normal memory write shouldn't go to this point!");
pa = PPN_2_PA(vtlb->ppn);
pa += POFFSET((u64)src, vtlb->ps);
@@ -329,14 +330,14 @@ static void deliver_ipi (VCPU *vcpu, uin
break;
case 2: // PMI
// TODO -- inject guest PMI
- panic ("Inject guest PMI!\n");
+ panic_domain (NULL, "Inject guest PMI!\n");
break;
case 4: // NMI
vmx_vcpu_pend_interrupt (vcpu, 2);
break;
case 5: // INIT
// TODO -- inject guest INIT
- panic ("Inject guest INIT!\n");
+ panic_domain (NULL, "Inject guest INIT!\n");
break;
case 7: // ExtINT
vmx_vcpu_pend_interrupt (vcpu, 0);
@@ -345,7 +346,7 @@ static void deliver_ipi (VCPU *vcpu, uin
case 3:
case 6:
default:
- panic ("Deliver reserved IPI!\n");
+ panic_domain (NULL, "Deliver reserved IPI!\n");
break;
}
}
@@ -379,7 +380,7 @@ static int write_ipi (VCPU *vcpu, uint64
target_cpu = lid_2_vcpu(vcpu->domain,
((ipi_a_t)addr).id, ((ipi_a_t)addr).eid);
- if ( target_cpu == NULL ) panic("Unknown IPI cpu\n");
+ if ( target_cpu == NULL ) panic_domain (NULL,"Unknown IPI cpu\n");
if ( target_cpu == vcpu ) {
// IPI to self
deliver_ipi (vcpu, ((ipi_d_t)value).dm,
@@ -388,7 +389,7 @@ static int write_ipi (VCPU *vcpu, uint64
}
else {
// TODO: send Host IPI to inject guest SMP IPI interruption
- panic ("No SM-VP supported!\n");
+ panic_domain (NULL, "No SM-VP supported!\n");
return 0;
}
}
@@ -473,15 +474,65 @@ void emulate_io_inst(VCPU *vcpu, u64 pad
}
}
- // Floating-point Load/Store
+ // Floating-point spill + Imm update
+ else if(inst.M10.major==7&&inst.M10.x6==0x3B){
+ struct ia64_fpreg v;
+ inst_type=SL_FLOATING;
+ dir=IOREQ_WRITE;
+ vcpu_get_fpreg(vcpu,inst.M10.f2,&v);
+ vcpu_get_gr_nat(vcpu,inst.M10.r3,&temp);
+ post_update = (inst.M10.i<<7)+inst.M10.imm7;
+ if(inst.M10.s)
+ temp -= post_update;
+ else
+ temp += post_update;
+ vcpu_set_gr(vcpu,inst.M10.r3,temp,0);
+
+ /* Write high word.
+ FIXME: this is a kludge! */
+ v.u.bits[1] &= 0x3ffff;
+ mmio_access(vcpu, padr + 8, &v.u.bits[1], 8, ma, IOREQ_WRITE);
+ data = v.u.bits[0];
+ size = 3;
+ }
+ // Floating-point stf8 + Imm update
+ else if(inst.M10.major==7&&inst.M10.x6==0x31){
+ struct ia64_fpreg v;
+ inst_type=SL_FLOATING;
+ dir=IOREQ_WRITE;
+ size=3;
+ vcpu_get_fpreg(vcpu,inst.M10.f2,&v);
+ data = v.u.bits[0]; /* Significand. */
+ vcpu_get_gr_nat(vcpu,inst.M10.r3,&temp);
+ post_update = (inst.M10.i<<7)+inst.M10.imm7;
+ if(inst.M10.s)
+ temp -= post_update;
+ else
+ temp += post_update;
+ vcpu_set_gr(vcpu,inst.M10.r3,temp,0);
+ }
// else if(inst.M6.major==6&&inst.M6.m==0&&inst.M6.x==0&&inst.M6.x6==3){
// inst_type=SL_FLOATING; //fp
// dir=IOREQ_READ;
// size=3; //ldfd
// }
+ // lfetch - do not perform accesses.
+ else if(inst.M15.major==7&&inst.M15.x6>=0x2c&&inst.M15.x6<=0x2f){
+ vcpu_get_gr_nat(vcpu,inst.M15.r3,&temp);
+ post_update = (inst.M15.i<<7)+inst.M15.imm7;
+ if(inst.M15.s)
+ temp -= post_update;
+ else
+ temp += post_update;
+ vcpu_set_gr(vcpu,inst.M15.r3,temp,0);
+
+ vmx_vcpu_increment_iip(vcpu);
+ return;
+ }
else{
- printf("This memory access instruction can't be emulated two: %lx\n
",inst.inst);
- while(1);
+ panic_domain
+ (NULL,"This memory access instr can't be emulated: %lx pc=%lx\n ",
+ inst.inst, regs->cr_iip);
}
size = 1 << size;
@@ -499,7 +550,7 @@ void emulate_io_inst(VCPU *vcpu, u64 pad
if(inst_type==SL_INTEGER){ //gp
vcpu_set_gr(vcpu,inst.M1.r1,data,0);
}else{
- panic("Don't support ldfd now !");
+ panic_domain(NULL, "Don't support ldfd now !");
/* switch(inst.M6.f1){
case 6:
diff -r 2de95fd92e74 -r c3972d632ff6 xen/arch/ia64/xen/vcpu.c
--- a/xen/arch/ia64/xen/vcpu.c Wed Apr 19 10:26:50 2006 -0600
+++ b/xen/arch/ia64/xen/vcpu.c Wed Apr 19 10:32:36 2006 -0600
@@ -22,6 +22,8 @@
/* FIXME: where these declarations should be there ? */
extern void getreg(unsigned long regnum, unsigned long *val, int *nat, struct
pt_regs *regs);
extern void setreg(unsigned long regnum, unsigned long val, int nat, struct
pt_regs *regs);
+extern void getfpreg (unsigned long regnum, struct ia64_fpreg *fpval, struct
pt_regs *regs);
+
extern void panic_domain(struct pt_regs *, const char *, ...);
extern unsigned long translate_domain_pte(UINT64,UINT64,UINT64);
extern unsigned long translate_domain_mpaddr(unsigned long);
@@ -104,6 +106,15 @@ vcpu_set_gr(VCPU *vcpu, unsigned long re
setreg(reg,value,nat,regs); // FIXME: handle NATs later
return IA64_NO_FAULT;
}
+
+IA64FAULT
+vcpu_get_fpreg(VCPU *vcpu, unsigned long reg, struct ia64_fpreg *val)
+{
+ REGS *regs = vcpu_regs(vcpu);
+ getfpreg(reg,val,regs); // FIXME: handle NATs later
+ return 0;
+}
+
#else
// returns:
// IA64_ILLOP_FAULT if the register would cause an Illegal Operation fault
diff -r 2de95fd92e74 -r c3972d632ff6 xen/include/asm-ia64/privop.h
--- a/xen/include/asm-ia64/privop.h Wed Apr 19 10:26:50 2006 -0600
+++ b/xen/include/asm-ia64/privop.h Wed Apr 19 10:32:36 2006 -0600
@@ -169,6 +169,21 @@ typedef union U_INST64_M6 {
IA64_INST inst;
struct { unsigned long qp:6, f1:7, un7:7, r3:7, x:1, hint:2, x6:6, m:1,
major:4; };
} INST64_M6;
+
+typedef union U_INST64_M9 {
+ IA64_INST inst;
+ struct { unsigned long qp:6, :7, f2:7, r3:7, x:1, hint:2, x6:6, m:1,
major:4; };
+} INST64_M9;
+
+typedef union U_INST64_M10 {
+ IA64_INST inst;
+ struct { unsigned long qp:6, imm7:7, f2:7, r3:7, i:1, hint:2, x6:6, s:1,
major:4; };
+} INST64_M10;
+
+typedef union U_INST64_M15 {
+ IA64_INST inst;
+ struct { unsigned long qp:6, :7, imm7:7, r3:7, i:1, hint:2, x6:6, s:1,
major:4; };
+} INST64_M15;
typedef union U_INST64 {
IA64_INST inst;
@@ -187,6 +202,9 @@ typedef union U_INST64 {
INST64_M4 M4; // st integer
INST64_M5 M5;
INST64_M6 M6; // ldfd floating pointer
+ INST64_M9 M9; // stfd floating pointer
+ INST64_M10 M10; // stfd floating pointer
+ INST64_M15 M15; // lfetch + imm update
INST64_M28 M28; // purge translation cache entry
INST64_M29 M29; // mov register to ar (M unit)
INST64_M30 M30; // mov immediate to ar (M unit)
diff -r 2de95fd92e74 -r c3972d632ff6 xen/include/asm-ia64/vcpu.h
--- a/xen/include/asm-ia64/vcpu.h Wed Apr 19 10:26:50 2006 -0600
+++ b/xen/include/asm-ia64/vcpu.h Wed Apr 19 10:32:36 2006 -0600
@@ -40,6 +40,8 @@ extern UINT64 vcpu_get_gr(VCPU *vcpu, un
extern UINT64 vcpu_get_gr(VCPU *vcpu, unsigned long reg);
extern IA64FAULT vcpu_get_gr_nat(VCPU *vcpu, unsigned long reg, UINT64 *val);
extern IA64FAULT vcpu_set_gr(VCPU *vcpu, unsigned long reg, UINT64 value, int
nat);
+extern IA64FAULT vcpu_get_fpreg(VCPU *vcpu, unsigned long reg, struct
ia64_fpreg *val);
+
/* application registers */
extern void vcpu_load_kernel_regs(VCPU *vcpu);
extern IA64FAULT vcpu_set_ar(VCPU *vcpu, UINT64 reg, UINT64 val);
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