sys_isr.c File Reference

#include "../fb.h"
#include <dpmi.h>
#include <go32.h>
#include <pc.h>

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Data Structures
struct	_FB_DOS_STACK_INFO

Macros
#define	fb_lock_memory_fn(fn_name)   fb_dos_lock_code( fn_name, fn_name ## _end - fn_name )
	Ensures that the specified memory region isn't swappable. More...
#define	fb_lock_memory_data(var_name)   fb_dos_lock_data( &var_name ## _start, &var_name ## _end - &var_name ## _start )

Typedefs
typedef struct _FB_DOS_STACK_INFO	FB_DOS_STACK_INFO

Functions
void	__fb_hDrvIntHandler_PIC1 (void)
void	__fb_hDrvIntHandler_PIC2 (void)
static int	do_lock (int is_code, int(*proc)(__dpmi_meminfo *), const void *address, size_t size)
int	fb_dos_lock_data (const void *address, size_t size)
int	fb_dos_lock_code (const void *address, size_t size)
int	fb_dos_unlock_data (const void *address, size_t size)
int	fb_dos_unlock_code (const void *address, size_t size)
static __inline__ int	_my_es (void)
static __inline__ int	_my_fs (void)
static __inline__ int	_my_gs (void)
static void	fb_isr_exit (void)
static int	fb_isr_init (void)
int	fb_isr_set (unsigned irq_number, FnIntHandler pfnIntHandler, size_t fn_size, size_t stack_size)
int	fb_isr_reset (unsigned irq_number)
FnIntHandler	fb_isr_get (unsigned irq_number)

Variables
static int	isr_inited = FALSE
static size_t	function_sizes [16] = { 0 }
char	__fb_hDrvIntHandler_start
__dpmi_paddr	__fb_hDrvIntHandler_OldIRQs [16]
FnIntHandler	__fb_hDrvIntHandler [16]
FB_DOS_STACK_INFO	__fb_hDrvIntStacks [16]
unsigned	__fb_hDrvSelectors [5]
int	__fb_dos_cli_level
char	__fb_hDrvIntHandler_end

Macro Definition Documentation

#define fb_lock_memory_data

(

var_name)

fb_dos_lock_data( &var_name ## _start, &var_name ## _end - &var_name ## _start )

Definition at line 33 of file sys_isr.c.

#define fb_lock_memory_fn

(

fn_name)

fb_dos_lock_code( fn_name, fn_name ## _end - fn_name )

Ensures that the specified memory region isn't swappable.

Definition at line 30 of file sys_isr.c.

Typedef Documentation

typedef struct _FB_DOS_STACK_INFO FB_DOS_STACK_INFO

Function Documentation

void __fb_hDrvIntHandler_PIC1

(

void

)

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void __fb_hDrvIntHandler_PIC2

(

void

)

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static __inline__ int _my_es ( void  )

static

Definition at line 71 of file sys_isr.c.

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static __inline__ int _my_fs ( void  )

static

Definition at line 79 of file sys_isr.c.

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static __inline__ int _my_gs ( void  )

static

Definition at line 87 of file sys_isr.c.

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static int do_lock ( int  is_code, int(*)(__dpmi_meminfo *)  proc, const void *  address, size_t  size  )

static

Definition at line 36 of file sys_isr.c.

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int fb_dos_lock_code	(	const void *	address,
		size_t	size
	)

Definition at line 55 of file sys_isr.c.

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int fb_dos_lock_data	(	const void *	address,
		size_t	size
	)

Definition at line 50 of file sys_isr.c.

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int fb_dos_unlock_code	(	const void *	address,
		size_t	size
	)

Definition at line 65 of file sys_isr.c.

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int fb_dos_unlock_data	(	const void *	address,
		size_t	size
	)

Definition at line 60 of file sys_isr.c.

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static void fb_isr_exit ( void  )

static

Definition at line 94 of file sys_isr.c.

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FnIntHandler fb_isr_get

(

unsigned

irq_number)

Definition at line 333 of file sys_isr.c.

static int fb_isr_init ( void  )

static

Definition at line 141 of file sys_isr.c.

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int fb_isr_reset

(

unsigned

irq_number)

Definition at line 299 of file sys_isr.c.

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int fb_isr_set	(	unsigned	irq_number,
		FnIntHandler	pfnIntHandler,
		size_t	fn_size,
		size_t	stack_size
	)

Definition at line 254 of file sys_isr.c.

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Variable Documentation

int __fb_dos_cli_level

FnIntHandler __fb_hDrvIntHandler[16]

char __fb_hDrvIntHandler_end

__dpmi_paddr __fb_hDrvIntHandler_OldIRQs[16]

char __fb_hDrvIntHandler_start

FB_DOS_STACK_INFO __fb_hDrvIntStacks[16]

unsigned __fb_hDrvSelectors[5]

size_t function_sizes[16] = { 0 }

static

Definition at line 14 of file sys_isr.c.

int isr_inited = FALSE

static

Definition at line 13 of file sys_isr.c.