traps.c File Reference

#include <xtf/traps.h>
#include <xtf/lib.h>
#include <xtf/hypercall.h>
#include <xtf/test.h>
#include <arch/idt.h>
#include <arch/lib.h>
#include <arch/processor.h>
#include <arch/segment.h>
#include <arch/pagetable.h>
#include <arch/symbolic-const.h>

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Functions
void	entry_DE (void)
void	entry_DB (void)
void	entry_NMI (void)
void	entry_BP (void)
void	entry_OF (void)
void	entry_BR (void)
void	entry_UD (void)
void	entry_NM (void)
void	entry_DF (void)
void	entry_TS (void)
void	entry_NP (void)
void	entry_SS (void)
void	entry_GP (void)
void	entry_PF (void)
void	entry_MF (void)
void	entry_AC (void)
void	entry_MC (void)
void	entry_XM (void)
void	entry_VE (void)
void	entry_ret_to_kernel (void)
void	entry_SYSCALL (void)
void	entry_SYSENTER (void)
void	entry_EVTCHN (void)
int	xtf_set_idte (unsigned int vector, const struct xtf_idte *idte)
	Set up an IDT Entry, in a guest agnostic way. More...
static int	remap_linear (const void *linear, uint64_t flags)
static int	remap_linear_range (const void *start, const void *end, uint64_t flags)
static void	init_callbacks (void)
void	arch_init_traps (void)
void	arch_crash_hard (void)

Variables
xen_pv_start_info_t *	pv_start_info = NULL
struct xen_trap_info	pv_default_trap_info []

Function Documentation

entry_DE()

void entry_DE

(

void

)

entry_DB()

void entry_DB

(

void

)

entry_NMI()

void entry_NMI

(

void

)

entry_BP()

void entry_BP

(

void

)

entry_OF()

void entry_OF

(

void

)

entry_BR()

void entry_BR

(

void

)

entry_UD()

void entry_UD

(

void

)

entry_NM()

void entry_NM

(

void

)

entry_DF()

void entry_DF

(

void

)

entry_TS()

void entry_TS

(

void

)

entry_NP()

void entry_NP

(

void

)

entry_SS()

void entry_SS

(

void

)

entry_GP()

void entry_GP

(

void

)

entry_PF()

void entry_PF

(

void

)

entry_MF()

void entry_MF

(

void

)

entry_AC()

void entry_AC

(

void

)

entry_MC()

void entry_MC

(

void

)

entry_XM()

void entry_XM

(

void

)

entry_VE()

void entry_VE

(

void

)

entry_ret_to_kernel()

void entry_ret_to_kernel

(

void

)

entry_SYSCALL()

void entry_SYSCALL

(

void

)

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entry_SYSENTER()

void entry_SYSENTER

(

void

)

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entry_EVTCHN()

void entry_EVTCHN

(

void

)

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xtf_set_idte()

int xtf_set_idte	(	unsigned int	vector,
		const struct xtf_idte *	idte
	)

Set up an IDT Entry, in a guest agnostic way.

Construct an IDT Entry at the specified vector, using configuration provided in idte.

Parameters

vector	Vector to set up.
idte	Details to set up.

Returns

0 for HVM guests, hypercall result for PV guests.

Definition at line 69 of file traps.c.

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remap_linear()

static int remap_linear ( const void *  linear, uint64_t  flags  )

static

Definition at line 80 of file traps.c.

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remap_linear_range()

static int remap_linear_range ( const void *  start, const void *  end, uint64_t  flags  )

static

Definition at line 87 of file traps.c.

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init_callbacks()

static void init_callbacks ( void  )

static

Definition at line 101 of file traps.c.

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arch_init_traps()

void arch_init_traps

(

void

)

Definition at line 141 of file traps.c.

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arch_crash_hard()

void arch_crash_hard

(

void

)

Definition at line 209 of file traps.c.

Variable Documentation

pv_start_info

xen_pv_start_info_t* pv_start_info = NULL

Definition at line 14 of file traps.c.

pv_default_trap_info

struct xen_trap_info pv_default_trap_info[]

Initial value:

=
{
    { X86_EXC_DE,  0|4, __KERN_CS, _u(entry_DE)  },
    { X86_EXC_DB,  0|4, __KERN_CS, _u(entry_DB)  },
    { X86_EXC_NMI, 0|4, __KERN_CS, _u(entry_NMI) },
    { X86_EXC_BP,  3|4, __KERN_CS, _u(entry_BP)  },
    { X86_EXC_OF,  3|4, __KERN_CS, _u(entry_OF)  },
    { X86_EXC_BR,  0|4, __KERN_CS, _u(entry_BR)  },
    { X86_EXC_UD,  0|4, __KERN_CS, _u(entry_UD)  },
    { X86_EXC_NM,  0|4, __KERN_CS, _u(entry_NM)  },
    { X86_EXC_DF,  0|4, __KERN_CS, _u(entry_DF)  },
    { X86_EXC_TS,  0|4, __KERN_CS, _u(entry_TS)  },
    { X86_EXC_NP,  0|4, __KERN_CS, _u(entry_NP)  },
    { X86_EXC_SS,  0|4, __KERN_CS, _u(entry_SS)  },
    { X86_EXC_GP,  0|4, __KERN_CS, _u(entry_GP)  },
    { X86_EXC_PF,  0|4, __KERN_CS, _u(entry_PF)  },
    { X86_EXC_MF,  0|4, __KERN_CS, _u(entry_MF)  },
    { X86_EXC_AC,  0|4, __KERN_CS, _u(entry_AC)  },
    { X86_EXC_MC,  0|4, __KERN_CS, _u(entry_MC)  },
    { X86_EXC_XM,  0|4, __KERN_CS, _u(entry_XM)  },
    { X86_EXC_VE,  0|4, __KERN_CS, _u(entry_VE)  },
 
    { X86_VEC_RET2KERN, 3|4, __KERN_CS, _u(entry_ret_to_kernel) },
 
    { 0, 0, 0, 0 }, 
}

Definition at line 42 of file traps.c.