sparc64
[Interrupt handling and dispatching]


Files
file	interrupt.h
file	exception.h
file	interrupt.h
	This file contains interrupt vector trap handler.
file	mmu.h
	This file contains fast MMU trap handlers.
file	regwin.h
	This file contains register window trap handlers.
file	trap.h
file	trap_table.h
file	exception.c
file	interrupt.c
file	trap.c
Data Structures
struct	istate
struct	trap_table_entry
Defines
#define	IRQ_COUNT 1
#define	IVT_ITEMS 15
#define	IVT_FIRST 1
#define	IRQ_KBD 2
#define	VECTOR_KBD IRQ_KBD
#define	trap_virtual_enable_irqs(x)
#define	trap_virtual_eoi()
#define	TT_INSTRUCTION_ACCESS_EXCEPTION 0x08
#define	TT_ILLEGAL_INSTRUCTION 0x10
#define	TT_DATA_ACCESS_ERROR 0x32
#define	TT_MEM_ADDRESS_NOT_ALIGNED 0x34
#define	TT_INTERRUPT_LEVEL_1 0x41
#define	TT_INTERRUPT_LEVEL_2 0x42
#define	TT_INTERRUPT_LEVEL_3 0x43
#define	TT_INTERRUPT_LEVEL_4 0x44
#define	TT_INTERRUPT_LEVEL_5 0x45
#define	TT_INTERRUPT_LEVEL_6 0x46
#define	TT_INTERRUPT_LEVEL_7 0x47
#define	TT_INTERRUPT_LEVEL_8 0x48
#define	TT_INTERRUPT_LEVEL_9 0x49
#define	TT_INTERRUPT_LEVEL_10 0x4a
#define	TT_INTERRUPT_LEVEL_11 0x4b
#define	TT_INTERRUPT_LEVEL_12 0x4c
#define	TT_INTERRUPT_LEVEL_13 0x4d
#define	TT_INTERRUPT_LEVEL_14 0x4e
#define	TT_INTERRUPT_LEVEL_15 0x4f
#define	TT_INTERRUPT_VECTOR_TRAP 0x60
#define	INTERRUPT_LEVEL_N_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE
#define	INTERRUPT_VECTOR_TRAP_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE
#define	TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64
#define	TT_FAST_DATA_ACCESS_MMU_MISS 0x68
#define	TT_FAST_DATA_ACCESS_PROTECTION 0x6c
#define	FAST_MMU_HANDLER_SIZE 128
#define	TT_CLEAN_WINDOW 0x24
#define	TT_SPILL_0_NORMAL 0x80
#define	TT_FILL_0_NORMAL 0xc0
#define	REGWIN_HANDLER_SIZE 128
#define	CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE
#define	SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE
#define	FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE
#define	L0_OFFSET 0
#define	L1_OFFSET 8
#define	L2_OFFSET 16
#define	L3_OFFSET 24
#define	L4_OFFSET 32
#define	L5_OFFSET 40
#define	L6_OFFSET 48
#define	L7_OFFSET 56
#define	I0_OFFSET 64
#define	I1_OFFSET 72
#define	I2_OFFSET 80
#define	I3_OFFSET 88
#define	I4_OFFSET 96
#define	I5_OFFSET 104
#define	I6_OFFSET 112
#define	I7_OFFSET 120
#define	TRAP_TABLE_ENTRY_COUNT 1024
#define	TRAP_TABLE_ENTRY_SIZE 32
#define	TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT*TRAP_TABLE_ENTRY_SIZE)
Typedefs
typedef trap_table_entry	trap_table_entry_t
Functions
static void	istate_set_retaddr (istate_t *istate, __address retaddr)
static int	istate_from_uspace (istate_t *istate)
static __native	istate_get_pc (istate_t *istate)
void	interrupt_register (int n, const char *name, iroutine f)
void	do_instruction_access_exc (void)
void	do_mem_address_not_aligned (void)
void	do_data_access_error (void)
void	do_illegal_instruction (void)
static void	trap_switch_trap_table (void)
void	trap_init (void)
void	irq_ipc_bind_arch (__native irq)
Variables
trap_table_entry	packed
trap_table_entry_t	trap_table [TRAP_TABLE_ENTRY_COUNT]
trap_table_entry_t	trap_table_save [TRAP_TABLE_ENTRY_COUNT]

Define Documentation

#define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE

Definition at line 48 of file regwin.h.

#define FAST_MMU_HANDLER_SIZE 128

Definition at line 46 of file mmu.h.

#define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE

Definition at line 50 of file regwin.h.

#define I0_OFFSET 64

Definition at line 61 of file regwin.h.

#define I1_OFFSET 72

Definition at line 62 of file regwin.h.

#define I2_OFFSET 80

Definition at line 63 of file regwin.h.

#define I3_OFFSET 88

Definition at line 64 of file regwin.h.

#define I4_OFFSET 96

Definition at line 65 of file regwin.h.

#define I5_OFFSET 104

Definition at line 66 of file regwin.h.

#define I6_OFFSET 112

Definition at line 67 of file regwin.h.

#define I7_OFFSET 120

Definition at line 68 of file regwin.h.

#define INTERRUPT_LEVEL_N_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE

Definition at line 61 of file interrupt.h.

#define INTERRUPT_VECTOR_TRAP_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE

Definition at line 62 of file interrupt.h.

#define IRQ_COUNT 1

Definition at line 42 of file interrupt.h.
Referenced by ipc_init(), sys_ipc_register_irq(), and sys_ipc_unregister_irq().

#define IRQ_KBD 2

Definition at line 48 of file interrupt.h.
Referenced by i8042_init().

#define IVT_FIRST 1

Definition at line 45 of file interrupt.h.

#define IVT_ITEMS 15

Definition at line 44 of file interrupt.h.

#define L0_OFFSET 0

Window Save Area offsets.
Definition at line 53 of file regwin.h.

#define L1_OFFSET 8

Definition at line 54 of file regwin.h.

#define L2_OFFSET 16

Definition at line 55 of file regwin.h.

#define L3_OFFSET 24

Definition at line 56 of file regwin.h.

#define L4_OFFSET 32

Definition at line 57 of file regwin.h.

#define L5_OFFSET 40

Definition at line 58 of file regwin.h.

#define L6_OFFSET 48

Definition at line 59 of file regwin.h.

#define L7_OFFSET 56

Definition at line 60 of file regwin.h.

#define REGWIN_HANDLER_SIZE 128

Definition at line 46 of file regwin.h.

#define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE

Definition at line 49 of file regwin.h.

#define TRAP_TABLE_ENTRY_COUNT 1024

Definition at line 44 of file trap_table.h.

#define TRAP_TABLE_ENTRY_SIZE 32

Definition at line 45 of file trap_table.h.

#define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT*TRAP_TABLE_ENTRY_SIZE)

Definition at line 46 of file trap_table.h.

#define trap_virtual_enable_irqs ( x )

Definition at line 51 of file interrupt.h.
Referenced by i8042_init().

#define trap_virtual_eoi ( )

Definition at line 52 of file interrupt.h.
Referenced by i8042_interrupt().

#define TT_CLEAN_WINDOW 0x24

Definition at line 42 of file regwin.h.

#define TT_DATA_ACCESS_ERROR 0x32

Definition at line 41 of file exception.h.

#define TT_FAST_DATA_ACCESS_MMU_MISS 0x68

Definition at line 43 of file mmu.h.

#define TT_FAST_DATA_ACCESS_PROTECTION 0x6c

Definition at line 44 of file mmu.h.

#define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64

Definition at line 42 of file mmu.h.

#define TT_FILL_0_NORMAL 0xc0

Definition at line 44 of file regwin.h.

#define TT_ILLEGAL_INSTRUCTION 0x10

Definition at line 40 of file exception.h.

#define TT_INSTRUCTION_ACCESS_EXCEPTION 0x08

Definition at line 39 of file exception.h.

#define TT_INTERRUPT_LEVEL_1 0x41

Definition at line 43 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_10 0x4a

Definition at line 52 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_11 0x4b

Definition at line 53 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_12 0x4c

Definition at line 54 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_13 0x4d

Definition at line 55 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_14 0x4e

Definition at line 56 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_15 0x4f

Definition at line 57 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_2 0x42

Definition at line 44 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_3 0x43

Definition at line 45 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_4 0x44

Definition at line 46 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_5 0x45

Definition at line 47 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_6 0x46

Definition at line 48 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_7 0x47

Definition at line 49 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_8 0x48

Definition at line 50 of file interrupt.h.

#define TT_INTERRUPT_LEVEL_9 0x49

Definition at line 51 of file interrupt.h.

#define TT_INTERRUPT_VECTOR_TRAP 0x60

Definition at line 59 of file interrupt.h.

#define TT_MEM_ADDRESS_NOT_ALIGNED 0x34

Definition at line 42 of file exception.h.

#define TT_SPILL_0_NORMAL 0x80

Definition at line 43 of file regwin.h.

#define VECTOR_KBD IRQ_KBD

Definition at line 49 of file interrupt.h.
Referenced by i8042_grab(), and i8042_release().

Typedef Documentation

typedef struct trap_table_entry trap_table_entry_t

Definition at line 53 of file trap_table.h.

Function Documentation

void do_data_access_error ( void )

Handle data_access_error.
Definition at line 53 of file exception.c.
References panic, and tpc_read().
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void do_illegal_instruction ( void )

Handle mem_address_not_aligned.
Definition at line 59 of file exception.c.
References panic, and tpc_read().
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void do_instruction_access_exc ( void )

Handle instruction_access_exception.
Definition at line 41 of file exception.c.
References panic.

void do_mem_address_not_aligned ( void )

Handle mem_address_not_aligned.
Definition at line 47 of file exception.c.
References panic.

void interrupt_register ( int n,

const char * name,

iroutine f

)

Register Interrupt Level Handler.

Parameters:

n Interrupt Level (1 - 15).

name Short descriptive string.

f Handler.

Definition at line 47 of file interrupt.c.
References ASSERT, exc_register(), IVT_FIRST, and IVT_ITEMS.
Referenced by tick_init().
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void irq_ipc_bind_arch ( __native irq )

Definition at line 55 of file interrupt.c.
References panic.
Referenced by sys_ipc_register_irq().

static int istate_from_uspace ( istate_t * istate ) [static]

Definition at line 61 of file interrupt.h.
Referenced by exc_dispatch().

static __native istate_get_pc ( istate_t * istate ) [static]

Definition at line 66 of file interrupt.h.

static void istate_set_retaddr ( istate_t * istate,

__address retaddr

) [static]

Definition at line 57 of file interrupt.h.

void trap_init ( void )

Initialize trap table.
Definition at line 50 of file trap.c.
Referenced by arch_pre_mm_init().

static void trap_switch_trap_table ( void ) [static]

Switch to in-kernel trap table.
Definition at line 42 of file trap.h.
References tba_write(), and trap_table.
Referenced by tlb_arch_init().
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