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Rev 4647 Rev 4666
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.global kernel_image_start
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.global kernel_image_start
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.global exc_stack
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.global exc_stack
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.global supervisor_sp
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.global supervisor_sp
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kernel_image_start:
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kernel_image_start:
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	# initialize Stack pointer for exception modes
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	mrs r4, cpsr
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	bic r4, r4, #0x1f
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	#FIQ Mode
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	orr r3, r4, #0x11
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	msr cpsr_c, r3
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	ldr sp, =exc_stack
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	#IRQ Mode
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	orr r3, r4, #0x12
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	msr cpsr_c, r3
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	ldr sp, =exc_stack
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	#ABORT Mode
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	orr r3, r4, #0x17
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	msr cpsr_c, r3
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	ldr sp, =exc_stack
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	#UNDEFINED Mode
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	orr r3, r4, #0x1b
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	msr cpsr_c, r3
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	ldr sp, =exc_stack
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	# switch to supervisor mode
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	# switch to supervisor mode
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	mrs r3, cpsr
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	bic r3, r3, #0x1f
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	orr r3, r3, #0x13
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	orr r3, r4, #0x13
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	msr cpsr_c, r3
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	msr cpsr_c, r3
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	ldr sp, =temp_stack
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	ldr sp, =temp_stack
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	bl arch_pre_main
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	bl arch_pre_main