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#include <arch/stack.h>
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#include <arch/stack.h>
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#include <arch/register.h>
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#include <arch/register.h>
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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <align.h>
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#include <align.h>
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#define STACK_ITEMS		14
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#define STACK_ITEMS		18
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#define STACK_FRAME_SIZE	ALIGN_UP((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE, STACK_ALIGNMENT)
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#define STACK_FRAME_SIZE	ALIGN_UP((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE, STACK_ALIGNMENT)
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#if (STACK_ITEMS % 2 == 0)
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#if (STACK_ITEMS % 2 == 0)
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#	define STACK_FRAME_BIAS	8
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#	define STACK_FRAME_BIAS	8
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#else
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#else
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/** Partitioning of bank 0 registers. */
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/** Partitioning of bank 0 registers. */
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#define R_OFFS 		r16
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#define R_OFFS 		r16
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#define R_HANDLER	r17
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#define R_HANDLER	r17
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#define R_RET		r18
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#define R_RET		r18
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#define R_TMP		r19
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#define R_KSTACK_BSP	r22	/* keep in sync with before_thread_runs_arch() */
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#define R_KSTACK_BSP	r22	/* keep in sync with before_thread_runs_arch() */
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#define R_KSTACK	r23	/* keep in sync with before_thread_runs_arch() */
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#define R_KSTACK	r23	/* keep in sync with before_thread_runs_arch() */
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/** Heavyweight interrupt handler
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/** Heavyweight interrupt handler
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 *
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 *
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	add r31 = -STACK_FRAME_BIAS, r12 ;;
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	add r31 = -STACK_FRAME_BIAS, r12 ;;
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	add r12 = -STACK_FRAME_SIZE, r12
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	add r12 = -STACK_FRAME_SIZE, r12
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    /* 4. save registers in bank 0 into memory stack */
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    /* 4. save registers in bank 0 into memory stack */
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	/*
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	 * If this is break_instruction handler,
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	 * copy input parameters to stack.
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	 */
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    	mov R_TMP = 0x2c00 ;;
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	cmp.eq p6,p5 = R_OFFS, R_TMP ;;
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	/*
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	 * From now on, if this is break_instruction handler, p6 is true and p5 is false.
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	 * Otherwise p6 is false and p5 is true.
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	 * Note that p5 is a preserved predicate register and we make use of it.
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	 */
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(p6)	st8 [r31] = r35, -8 ;;		/* save in3 */
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(p6) 	st8 [r31] = r34, -8 ;;		/* save in2 */
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(p6)	st8 [r31] = r33, -8 ;;		/* save in1 */
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(p6)	st8 [r31] = r32, -8 ;;		/* save in0 */
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(p5)	add r31 = -32, r31 ;;
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	st8 [r31] = r30, -8 ;;		/* save old stack pointer */
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	st8 [r31] = r30, -8 ;;		/* save old stack pointer */
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	st8 [r31] = r29, -8 ;;		/* save predicate registers */
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	st8 [r31] = r29, -8 ;;		/* save predicate registers */
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	st8 [r31] = r24, -8 ;;		/* save cr.iip */
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	st8 [r31] = r24, -8 ;;		/* save cr.iip */
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	mov loc19 = r3
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	mov loc19 = r3
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	mov loc20 = r4
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	mov loc20 = r4
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	mov loc21 = r5
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	mov loc21 = r5
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	mov loc22 = r6
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	mov loc22 = r6
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	mov loc23 = r7
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	mov loc23 = r7
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	mov loc24 = r8
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(p5)	mov loc24 = r8		/* only if not in break_instruction handler */
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	mov loc25 = r9
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	mov loc25 = r9
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	mov loc26 = r10
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	mov loc26 = r10
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	mov loc27 = r11
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	mov loc27 = r11
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	/* skip r12 (stack pointer) */
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	/* skip r12 (stack pointer) */
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	mov loc28 = r13
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	mov loc28 = r13
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	mov r3 = loc19
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	mov r3 = loc19
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	mov r4 = loc20
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	mov r4 = loc20
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	mov r5 = loc21
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	mov r5 = loc21
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	mov r6 = loc22
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	mov r6 = loc22
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	mov r7 = loc23
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	mov r7 = loc23
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	mov r8 = loc24
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(p5)	mov r8 = loc24		/* only if not in break_instruction handler */
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	mov r9 = loc25
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	mov r9 = loc25
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	mov r10 = loc26
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	mov r10 = loc26
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	mov r11 = loc27
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	mov r11 = loc27
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	/* skip r12 (stack pointer) */
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	/* skip r12 (stack pointer) */
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	mov r13 = loc28
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	mov r13 = loc28