#include <asm/ptrace.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_booke_hv_asm.h>

Data Structures
struct	exception_regs

Macros
#define	SET_IVOR(vector_number, vector_label)

#define	ALLOC_STACK_FRAME(reg, val) addi reg,reg,val

#define	THREAD_NORMSAVE(offset) (THREAD_NORMSAVES + (offset * 4))

#define	NORMAL_EXCEPTION_PROLOG(intno)

#define	MC_STACK_BASE mcheckirq_ctx

#define	CRIT_STACK_BASE critirq_ctx

#define	DBG_STACK_BASE dbgirq_ctx

#define	EXC_LVL_FRAME_OVERHEAD (THREAD_SIZE - INT_FRAME_SIZE - EXC_LVL_SIZE)

#define	BOOKE_LOAD_EXC_LEVEL_STACK(level)

#define	EXC_LEVEL_EXCEPTION_PROLOG(exc_level, intno, exc_level_srr0, exc_level_srr1)

#define	CRITICAL_EXCEPTION_PROLOG(intno) EXC_LEVEL_EXCEPTION_PROLOG(CRIT, intno, SPRN_CSRR0, SPRN_CSRR1)

#define	DEBUG_EXCEPTION_PROLOG EXC_LEVEL_EXCEPTION_PROLOG(DBG, DEBUG, SPRN_DSRR0, SPRN_DSRR1)

#define	MCHECK_EXCEPTION_PROLOG

#define	GUEST_DOORBELL_EXCEPTION

#define	START_EXCEPTION(label)

#define	FINISH_EXCEPTION(func)

#define	EXCEPTION(n, intno, label, hdlr, xfer)

#define	CRITICAL_EXCEPTION(n, intno, label, hdlr)

#define	MCHECK_EXCEPTION(n, label, hdlr)

#define	EXC_XFER_TEMPLATE(hdlr, trap, msr, copyee, tfer, ret)

#define	COPY_EE(d, s) rlwimi d,s,0,16,16

#define	NOCOPY(d, s)

#define	EXC_XFER_STD(n, hdlr)

#define	EXC_XFER_LITE(n, hdlr)

#define	EXC_XFER_EE(n, hdlr)

#define	EXC_XFER_EE_LITE(n, hdlr)

#define	DEBUG_DEBUG_EXCEPTION

#define	DEBUG_CRIT_EXCEPTION

#define	DATA_STORAGE_EXCEPTION

#define	INSTRUCTION_STORAGE_EXCEPTION

#define	ALIGNMENT_EXCEPTION

#define	PROGRAM_EXCEPTION

#define	DECREMENTER_EXCEPTION

#define	FP_UNAVAILABLE_EXCEPTION

#define	STACK_EXC_LVL_FRAME_SIZE _ALIGN_UP(sizeof (struct exception_regs), 16)

Macro Definition Documentation

#define ALIGNMENT_EXCEPTION

Value:

START_EXCEPTION(Alignment)                        \
    NORMAL_EXCEPTION_PROLOG(ALIGNMENT);           \
    mfspr   r4,SPRN_DEAR;           /* Grab the DEAR and save it */       \
    stw     r4,_DEAR(r11);                            \
    addi    r3,r1,STACK_FRAME_OVERHEAD;                   \
    EXC_XFER_EE(0x0600, alignment_exception)

Definition at line 382 of file head_booke.h.

#define ALLOC_STACK_FRAME	(	reg,
		val
	)	addi reg,reg,val

Definition at line 18 of file head_booke.h.

#define BOOKE_LOAD_EXC_LEVEL_STACK ( level )

Value:

lis r8,level##_STACK_BASE@ha;       \
    lwz r8,level##_STACK_BASE@l(r8);        \
    addi    r8,r8,EXC_LVL_FRAME_OVERHEAD;

Definition at line 106 of file head_booke.h.

#define COPY_EE	(	d,
		s
	)	rlwimi d,s,0,16,16

Definition at line 241 of file head_booke.h.

#define CRIT_STACK_BASE critirq_ctx

Definition at line 91 of file head_booke.h.

#define CRITICAL_EXCEPTION	(	n,
		intno,
		label,
		hdlr
	)

Value:

START_EXCEPTION(label);                     \
    CRITICAL_EXCEPTION_PROLOG(intno);               \
    addi    r3,r1,STACK_FRAME_OVERHEAD;             \
    EXC_XFER_TEMPLATE(hdlr, n+2, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), \
              NOCOPY, crit_transfer_to_handler, \
              ret_from_crit_exc)

Definition at line 213 of file head_booke.h.

#define CRITICAL_EXCEPTION_PROLOG ( intno ) EXC_LEVEL_EXCEPTION_PROLOG(CRIT, intno, SPRN_CSRR0, SPRN_CSRR1)

Definition at line 170 of file head_booke.h.

#define DATA_STORAGE_EXCEPTION

Value:

START_EXCEPTION(DataStorage)                          \
    NORMAL_EXCEPTION_PROLOG(DATA_STORAGE);            \
    mfspr   r5,SPRN_ESR;        /* Grab the ESR and save it */        \
    stw r5,_ESR(r11);                             \
    mfspr   r4,SPRN_DEAR;       /* Grab the DEAR */           \
    EXC_XFER_LITE(0x0300, handle_page_fault)

Definition at line 365 of file head_booke.h.

#define DBG_STACK_BASE dbgirq_ctx

Definition at line 94 of file head_booke.h.

#define DEBUG_CRIT_EXCEPTION

Definition at line 319 of file head_booke.h.

#define DEBUG_DEBUG_EXCEPTION

Definition at line 273 of file head_booke.h.

#define DEBUG_EXCEPTION_PROLOG EXC_LEVEL_EXCEPTION_PROLOG(DBG, DEBUG, SPRN_DSRR0, SPRN_DSRR1)

Definition at line 172 of file head_booke.h.

#define DECREMENTER_EXCEPTION

Value:

START_EXCEPTION(Decrementer)                          \
    NORMAL_EXCEPTION_PROLOG(DECREMENTER);             \
    lis     r0,TSR_DIS@h;           /* Setup the DEC interrupt mask */    \
    mtspr   SPRN_TSR,r0;        /* Clear the DEC interrupt */         \
    addi    r3,r1,STACK_FRAME_OVERHEAD;                   \
    EXC_XFER_LITE(0x0900, timer_interrupt)

Definition at line 398 of file head_booke.h.

#define EXC_LEVEL_EXCEPTION_PROLOG	(	exc_level,
		intno,
		exc_level_srr0,
		exc_level_srr1
	)

Definition at line 120 of file head_booke.h.

#define EXC_LVL_FRAME_OVERHEAD (THREAD_SIZE - INT_FRAME_SIZE - EXC_LVL_SIZE)

Definition at line 96 of file head_booke.h.

#define EXC_XFER_EE	(	n,
		hdlr
	)

Value:

EXC_XFER_TEMPLATE(hdlr, n, MSR_KERNEL, COPY_EE, transfer_to_handler_full, \

ret_from_except_full)

Definition at line 252 of file head_booke.h.

#define EXC_XFER_EE_LITE	(	n,
		hdlr
	)

Value:

EXC_XFER_TEMPLATE(hdlr, n+1, MSR_KERNEL, COPY_EE, transfer_to_handler, \

ret_from_except)

Definition at line 256 of file head_booke.h.

#define EXC_XFER_LITE	(	n,
		hdlr
	)

Value:

EXC_XFER_TEMPLATE(hdlr, n+1, MSR_KERNEL, NOCOPY, transfer_to_handler, \

ret_from_except)

Definition at line 248 of file head_booke.h.

#define EXC_XFER_STD	(	n,
		hdlr
	)

Value:

EXC_XFER_TEMPLATE(hdlr, n, MSR_KERNEL, NOCOPY, transfer_to_handler_full, \

ret_from_except_full)

Definition at line 244 of file head_booke.h.

#define EXC_XFER_TEMPLATE	(	hdlr,
		trap,
		msr,
		copyee,
		tfer,
		ret
	)

Value:

li  r10,trap;                   \
    stw r10,_TRAP(r11);                 \
    lis r10,msr@h;                  \
    ori r10,r10,msr@l;                  \
    copyee(r10, r9);                    \
    bl  tfer;                       \
    .long   hdlr;                       \
    .long   ret

Definition at line 231 of file head_booke.h.

#define EXCEPTION	(	n,
		intno,
		label,
		hdlr,
		xfer
	)

Value:

START_EXCEPTION(label);                 \
    NORMAL_EXCEPTION_PROLOG(intno);             \
    addi    r3,r1,STACK_FRAME_OVERHEAD;         \
    xfer(n, hdlr)

Definition at line 207 of file head_booke.h.

#define FINISH_EXCEPTION ( func )

Value:

bl  transfer_to_handler_full;           \
    .long   func;                       \
    .long   ret_from_except_full

Definition at line 202 of file head_booke.h.

#define FP_UNAVAILABLE_EXCEPTION

Value:

START_EXCEPTION(FloatingPointUnavailable)                 \
    NORMAL_EXCEPTION_PROLOG(FP_UNAVAIL);              \
    beq 1f;                               \
    bl  load_up_fpu;        /* if from user, just load it up */   \
    b   fast_exception_return;                        \
1:  addi    r3,r1,STACK_FRAME_OVERHEAD;                   \
    EXC_XFER_EE_LITE(0x800, kernel_fp_unavailable_exception)

Definition at line 406 of file head_booke.h.

#define GUEST_DOORBELL_EXCEPTION

Value:

START_EXCEPTION(GuestDoorbell);                      \
    mtspr   SPRN_SPRG_WSCRATCH0, r10;   /* save one register */      \
    mfspr   r10, SPRN_SPRG_THREAD;                       \
    stw r11, THREAD_NORMSAVE(0)(r10);                    \
    mfspr   r11, SPRN_SRR1;                                          \
    stw r13, THREAD_NORMSAVE(2)(r10);                    \
    mfcr    r13;            /* save CR in r13 for now      */\
    DO_KVM  BOOKE_INTERRUPT_GUEST_DBELL SPRN_GSRR1;              \
    trap

Definition at line 184 of file head_booke.h.

#define INSTRUCTION_STORAGE_EXCEPTION

Value:

START_EXCEPTION(InstructionStorage)                   \
    NORMAL_EXCEPTION_PROLOG(INST_STORAGE);            \
    mfspr   r5,SPRN_ESR;        /* Grab the ESR and save it */        \
    stw r5,_ESR(r11);                             \
    mr      r4,r12;                 /* Pass SRR0 as arg2 */           \
    li      r5,0;                   /* Pass zero as arg3 */           \
    EXC_XFER_LITE(0x0400, handle_page_fault)

Definition at line 373 of file head_booke.h.

#define MC_STACK_BASE mcheckirq_ctx

Definition at line 90 of file head_booke.h.

#define MCHECK_EXCEPTION	(	n,
		label,
		hdlr
	)

Value:

START_EXCEPTION(label);                 \
    MCHECK_EXCEPTION_PROLOG;                \
    mfspr   r5,SPRN_ESR;                    \
    stw r5,_ESR(r11);                   \
    addi    r3,r1,STACK_FRAME_OVERHEAD;         \
    EXC_XFER_TEMPLATE(hdlr, n+4, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), \
              NOCOPY, mcheck_transfer_to_handler,   \
              ret_from_mcheck_exc)

Definition at line 221 of file head_booke.h.

#define MCHECK_EXCEPTION_PROLOG

Value:

EXC_LEVEL_EXCEPTION_PROLOG(MC, MACHINE_CHECK, \

SPRN_MCSRR0, SPRN_MCSRR1)

Definition at line 174 of file head_booke.h.

#define NOCOPY	(	d,
		s
	)

Definition at line 242 of file head_booke.h.

#define NORMAL_EXCEPTION_PROLOG ( intno )

Definition at line 34 of file head_booke.h.

#define PROGRAM_EXCEPTION

Value:

START_EXCEPTION(Program)                          \
    NORMAL_EXCEPTION_PROLOG(PROGRAM);             \
    mfspr   r4,SPRN_ESR;        /* Grab the ESR and save it */        \
    stw r4,_ESR(r11);                             \
    addi    r3,r1,STACK_FRAME_OVERHEAD;                   \
    EXC_XFER_STD(0x0700, program_check_exception)

Definition at line 390 of file head_booke.h.

#define SET_IVOR	(	vector_number,
		vector_label
	)

Value:

li  r26,vector_label@l;         \
        mtspr   SPRN_IVOR##vector_number,r26;   \
        sync

Definition at line 12 of file head_booke.h.

#define STACK_EXC_LVL_FRAME_SIZE _ALIGN_UP(sizeof (struct exception_regs), 16)

Definition at line 433 of file head_booke.h.

#define START_EXCEPTION ( label )

Value:

.align 5; \

label:

Definition at line 198 of file head_booke.h.

#define THREAD_NORMSAVE ( offset ) (THREAD_NORMSAVES + (offset * 4))

Definition at line 32 of file head_booke.h.

Data Structures

Macros

Macro Definition Documentation