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/*
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/*
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 * Here is where the kernel is passed control
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 * Here is where the kernel is passed control
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 * from the boot loader.
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 * from the boot loader.
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 *
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 *
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 * The registers are expected to be in this state:
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 * The registers are expected to be in this state:
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 * %o0 bootinfo structure address
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 * - %o0 bootinfo structure address
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 * %o1 bootinfo structure size
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 * - %o1 bootinfo structure size
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 *
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 * Moreover, we depend on boot having established the
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 * following environment:
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 * - TLBs are on
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 * - identity mapping for the kernel image
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 * - identity mapping for memory stack
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 */
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 */
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.global kernel_image_start
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.global kernel_image_start
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kernel_image_start:
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kernel_image_start:
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	flushw				! flush all but the active register window
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	flushw				! flush all but the active register window
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	mov %o0, %o1
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	mov %o0, %o1
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	set bootinfo, %o0
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	set bootinfo, %o0
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	call memcpy
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	call memcpy
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	nop
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	nop
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	/*
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	 * Take over control of identity mapping.
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	 * Take over control of trap table.
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	 *
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	 * After this call, the kernel is entirely self-sufficient
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	 * and independent on OpenFirmware.
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	 */
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	set kernel_image_start, %o0
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	call take_over_tlb_and_tt
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	nop
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	wrpr %r0, 0, %pil
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	wrpr %r0, 0, %pil
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	call main_bsp
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	call main_bsp
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	nop
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	nop
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