Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history 
yaml
---
r: 104508
b: refs/heads/master
c: 1ff730b
h: refs/heads/master
v: v3
  • Loading branch information
Isaku Yamahata authored and Tony Luck committed May 27, 2008
1 parent 94f6419 commit e0da56f
Show file tree
Hide file tree
Showing 7 changed files with 426 additions and 43 deletions.
2 changes: 1 addition & 1 deletion [refs]
View file
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3e0879deb700f322f6c81ab34f056fc72d15ec02
refs/heads/master: 1ff730b52f0c3e4e3846c3ff345c5526b2633ba9
247 changes: 247 additions & 0 deletions trunk/arch/ia64/kernel/paravirt.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
#include <linux/compiler.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/types.h>

#include <asm/iosapic.h>
Expand All @@ -39,3 +40,249 @@ struct pv_info pv_info = {
.paravirt_enabled = 0,
.name = "bare hardware"
};

/***************************************************************************
* pv_cpu_ops
* intrinsics hooks.
*/

/* ia64_native_xxx are macros so that we have to make them real functions */

#define DEFINE_VOID_FUNC1(name) \
static void \
ia64_native_ ## name ## _func(unsigned long arg) \
{ \
ia64_native_ ## name(arg); \
} \

#define DEFINE_VOID_FUNC2(name) \
static void \
ia64_native_ ## name ## _func(unsigned long arg0, \
unsigned long arg1) \
{ \
ia64_native_ ## name(arg0, arg1); \
} \

#define DEFINE_FUNC0(name) \
static unsigned long \
ia64_native_ ## name ## _func(void) \
{ \
return ia64_native_ ## name(); \
}

#define DEFINE_FUNC1(name, type) \
static unsigned long \
ia64_native_ ## name ## _func(type arg) \
{ \
return ia64_native_ ## name(arg); \
} \

DEFINE_VOID_FUNC1(fc);
DEFINE_VOID_FUNC1(intrin_local_irq_restore);

DEFINE_VOID_FUNC2(ptcga);
DEFINE_VOID_FUNC2(set_rr);

DEFINE_FUNC0(get_psr_i);

DEFINE_FUNC1(thash, unsigned long);
DEFINE_FUNC1(get_cpuid, int);
DEFINE_FUNC1(get_pmd, int);
DEFINE_FUNC1(get_rr, unsigned long);

static void
ia64_native_ssm_i_func(void)
{
ia64_native_ssm(IA64_PSR_I);
}

static void
ia64_native_rsm_i_func(void)
{
ia64_native_rsm(IA64_PSR_I);
}

static void
ia64_native_set_rr0_to_rr4_func(unsigned long val0, unsigned long val1,
unsigned long val2, unsigned long val3,
unsigned long val4)
{
ia64_native_set_rr0_to_rr4(val0, val1, val2, val3, val4);
}

#define CASE_GET_REG(id) \
case _IA64_REG_ ## id: \
res = ia64_native_getreg(_IA64_REG_ ## id); \
break;
#define CASE_GET_AR(id) CASE_GET_REG(AR_ ## id)
#define CASE_GET_CR(id) CASE_GET_REG(CR_ ## id)

unsigned long
ia64_native_getreg_func(int regnum)
{
unsigned long res = -1;
switch (regnum) {
CASE_GET_REG(GP);
CASE_GET_REG(IP);
CASE_GET_REG(PSR);
CASE_GET_REG(TP);
CASE_GET_REG(SP);

CASE_GET_AR(KR0);
CASE_GET_AR(KR1);
CASE_GET_AR(KR2);
CASE_GET_AR(KR3);
CASE_GET_AR(KR4);
CASE_GET_AR(KR5);
CASE_GET_AR(KR6);
CASE_GET_AR(KR7);
CASE_GET_AR(RSC);
CASE_GET_AR(BSP);
CASE_GET_AR(BSPSTORE);
CASE_GET_AR(RNAT);
CASE_GET_AR(FCR);
CASE_GET_AR(EFLAG);
CASE_GET_AR(CSD);
CASE_GET_AR(SSD);
CASE_GET_AR(CFLAG);
CASE_GET_AR(FSR);
CASE_GET_AR(FIR);
CASE_GET_AR(FDR);
CASE_GET_AR(CCV);
CASE_GET_AR(UNAT);
CASE_GET_AR(FPSR);
CASE_GET_AR(ITC);
CASE_GET_AR(PFS);
CASE_GET_AR(LC);
CASE_GET_AR(EC);

CASE_GET_CR(DCR);
CASE_GET_CR(ITM);
CASE_GET_CR(IVA);
CASE_GET_CR(PTA);
CASE_GET_CR(IPSR);
CASE_GET_CR(ISR);
CASE_GET_CR(IIP);
CASE_GET_CR(IFA);
CASE_GET_CR(ITIR);
CASE_GET_CR(IIPA);
CASE_GET_CR(IFS);
CASE_GET_CR(IIM);
CASE_GET_CR(IHA);
CASE_GET_CR(LID);
CASE_GET_CR(IVR);
CASE_GET_CR(TPR);
CASE_GET_CR(EOI);
CASE_GET_CR(IRR0);
CASE_GET_CR(IRR1);
CASE_GET_CR(IRR2);
CASE_GET_CR(IRR3);
CASE_GET_CR(ITV);
CASE_GET_CR(PMV);
CASE_GET_CR(CMCV);
CASE_GET_CR(LRR0);
CASE_GET_CR(LRR1);

default:
printk(KERN_CRIT "wrong_getreg %d\n", regnum);
break;
}
return res;
}

#define CASE_SET_REG(id) \
case _IA64_REG_ ## id: \
ia64_native_setreg(_IA64_REG_ ## id, val); \
break;
#define CASE_SET_AR(id) CASE_SET_REG(AR_ ## id)
#define CASE_SET_CR(id) CASE_SET_REG(CR_ ## id)

void
ia64_native_setreg_func(int regnum, unsigned long val)
{
switch (regnum) {
case _IA64_REG_PSR_L:
ia64_native_setreg(_IA64_REG_PSR_L, val);
ia64_dv_serialize_data();
break;
CASE_SET_REG(SP);
CASE_SET_REG(GP);

CASE_SET_AR(KR0);
CASE_SET_AR(KR1);
CASE_SET_AR(KR2);
CASE_SET_AR(KR3);
CASE_SET_AR(KR4);
CASE_SET_AR(KR5);
CASE_SET_AR(KR6);
CASE_SET_AR(KR7);
CASE_SET_AR(RSC);
CASE_SET_AR(BSP);
CASE_SET_AR(BSPSTORE);
CASE_SET_AR(RNAT);
CASE_SET_AR(FCR);
CASE_SET_AR(EFLAG);
CASE_SET_AR(CSD);
CASE_SET_AR(SSD);
CASE_SET_AR(CFLAG);
CASE_SET_AR(FSR);
CASE_SET_AR(FIR);
CASE_SET_AR(FDR);
CASE_SET_AR(CCV);
CASE_SET_AR(UNAT);
CASE_SET_AR(FPSR);
CASE_SET_AR(ITC);
CASE_SET_AR(PFS);
CASE_SET_AR(LC);
CASE_SET_AR(EC);

CASE_SET_CR(DCR);
CASE_SET_CR(ITM);
CASE_SET_CR(IVA);
CASE_SET_CR(PTA);
CASE_SET_CR(IPSR);
CASE_SET_CR(ISR);
CASE_SET_CR(IIP);
CASE_SET_CR(IFA);
CASE_SET_CR(ITIR);
CASE_SET_CR(IIPA);
CASE_SET_CR(IFS);
CASE_SET_CR(IIM);
CASE_SET_CR(IHA);
CASE_SET_CR(LID);
CASE_SET_CR(IVR);
CASE_SET_CR(TPR);
CASE_SET_CR(EOI);
CASE_SET_CR(IRR0);
CASE_SET_CR(IRR1);
CASE_SET_CR(IRR2);
CASE_SET_CR(IRR3);
CASE_SET_CR(ITV);
CASE_SET_CR(PMV);
CASE_SET_CR(CMCV);
CASE_SET_CR(LRR0);
CASE_SET_CR(LRR1);
default:
printk(KERN_CRIT "wrong setreg %d\n", regnum);
break;
}
}

struct pv_cpu_ops pv_cpu_ops = {
.fc = ia64_native_fc_func,
.thash = ia64_native_thash_func,
.get_cpuid = ia64_native_get_cpuid_func,
.get_pmd = ia64_native_get_pmd_func,
.ptcga = ia64_native_ptcga_func,
.get_rr = ia64_native_get_rr_func,
.set_rr = ia64_native_set_rr_func,
.set_rr0_to_rr4 = ia64_native_set_rr0_to_rr4_func,
.ssm_i = ia64_native_ssm_i_func,
.getreg = ia64_native_getreg_func,
.setreg = ia64_native_setreg_func,
.rsm_i = ia64_native_rsm_i_func,
.get_psr_i = ia64_native_get_psr_i_func,
.intrin_local_irq_restore
= ia64_native_intrin_local_irq_restore_func,
};
EXPORT_SYMBOL(pv_cpu_ops);
2 changes: 1 addition & 1 deletion trunk/include/asm-ia64/Kbuild
View file
Original file line number Diff line number Diff line change
Expand Up @@ -5,12 +5,12 @@ header-y += fpu.h
header-y += fpswa.h
header-y += ia64regs.h
header-y += intel_intrin.h
header-y += intrinsics.h
header-y += perfmon_default_smpl.h
header-y += ptrace_offsets.h
header-y += rse.h
header-y += ucontext.h

unifdef-y += gcc_intrin.h
unifdef-y += intrinsics.h
unifdef-y += perfmon.h
unifdef-y += ustack.h
24 changes: 12 additions & 12 deletions trunk/include/asm-ia64/gcc_intrin.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ extern void ia64_bad_param_for_getreg (void);
register unsigned long ia64_r13 asm ("r13") __used;
#endif

#define ia64_setreg(regnum, val) \
#define ia64_native_setreg(regnum, val) \
({ \
switch (regnum) { \
case _IA64_REG_PSR_L: \
Expand Down Expand Up @@ -61,7 +61,7 @@ register unsigned long ia64_r13 asm ("r13") __used;
} \
})

#define ia64_getreg(regnum) \
#define ia64_native_getreg(regnum) \
({ \
__u64 ia64_intri_res; \
\
Expand Down Expand Up @@ -385,7 +385,7 @@ register unsigned long ia64_r13 asm ("r13") __used;

#define ia64_invala() asm volatile ("invala" ::: "memory")

#define ia64_thash(addr) \
#define ia64_native_thash(addr) \
({ \
__u64 ia64_intri_res; \
asm volatile ("thash %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \
Expand Down Expand Up @@ -438,10 +438,10 @@ register unsigned long ia64_r13 asm ("r13") __used;
#define ia64_set_pmd(index, val) \
asm volatile ("mov pmd[%0]=%1" :: "r"(index), "r"(val) : "memory")

#define ia64_set_rr(index, val) \
#define ia64_native_set_rr(index, val) \
asm volatile ("mov rr[%0]=%1" :: "r"(index), "r"(val) : "memory");

#define ia64_get_cpuid(index) \
#define ia64_native_get_cpuid(index) \
({ \
__u64 ia64_intri_res; \
asm volatile ("mov %0=cpuid[%r1]" : "=r"(ia64_intri_res) : "rO"(index)); \
Expand Down Expand Up @@ -477,33 +477,33 @@ register unsigned long ia64_r13 asm ("r13") __used;
})


#define ia64_get_pmd(index) \
#define ia64_native_get_pmd(index) \
({ \
__u64 ia64_intri_res; \
asm volatile ("mov %0=pmd[%1]" : "=r"(ia64_intri_res) : "r"(index)); \
ia64_intri_res; \
})

#define ia64_get_rr(index) \
#define ia64_native_get_rr(index) \
({ \
__u64 ia64_intri_res; \
asm volatile ("mov %0=rr[%1]" : "=r"(ia64_intri_res) : "r" (index)); \
ia64_intri_res; \
})

#define ia64_fc(addr) asm volatile ("fc %0" :: "r"(addr) : "memory")
#define ia64_native_fc(addr) asm volatile ("fc %0" :: "r"(addr) : "memory")


#define ia64_sync_i() asm volatile (";; sync.i" ::: "memory")

#define ia64_ssm(mask) asm volatile ("ssm %0":: "i"((mask)) : "memory")
#define ia64_rsm(mask) asm volatile ("rsm %0":: "i"((mask)) : "memory")
#define ia64_native_ssm(mask) asm volatile ("ssm %0":: "i"((mask)) : "memory")
#define ia64_native_rsm(mask) asm volatile ("rsm %0":: "i"((mask)) : "memory")
#define ia64_sum(mask) asm volatile ("sum %0":: "i"((mask)) : "memory")
#define ia64_rum(mask) asm volatile ("rum %0":: "i"((mask)) : "memory")

#define ia64_ptce(addr) asm volatile ("ptc.e %0" :: "r"(addr))

#define ia64_ptcga(addr, size) \
#define ia64_native_ptcga(addr, size) \
do { \
asm volatile ("ptc.ga %0,%1" :: "r"(addr), "r"(size) : "memory"); \
ia64_dv_serialize_data(); \
Expand Down Expand Up @@ -608,7 +608,7 @@ do { \
} \
})

#define ia64_intrin_local_irq_restore(x) \
#define ia64_native_intrin_local_irq_restore(x) \
do { \
asm volatile (";; cmp.ne p6,p7=%0,r0;;" \
"(p6) ssm psr.i;" \
Expand Down
Loading

0 comments on commit e0da56f

Please sign in to comment.