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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 non-zero for the bootstrup processor, zero for application/secondary processors
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 * - %o0 non-zero for the bootstrap processor, zero for application/secondary processors
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 * - %o1 bootinfo structure address
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 * - %o1 bootinfo structure address
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 * - %o2 bootinfo structure size
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 * - %o2 bootinfo structure size
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 *
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 *
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 * Moreover, we depend on boot having established the
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 * Moreover, we depend on boot having established the
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 * following environment:
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 * following environment:
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 * - identity mapping for memory stack
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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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	brz %o0, kernel_image_start		! block secondary processors
 - 
 
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	nop
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	mov %o0, %l7
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	/*
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	/*
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	 * Setup basic runtime environment.
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	 * Setup basic runtime environment.
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	 */
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	 */
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	/*
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	/*
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	 * Copy the bootinfo structure passed from the boot loader
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	 * Copy the bootinfo structure passed from the boot loader
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	 * to the kernel bootinfo structure.
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	 * to the kernel bootinfo structure.
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	 */
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	 */
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	brz %l7, 0f				! skip if you are not the bootstrap CPU
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	sethi %hi(bootinfo), %o0
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	sethi %hi(bootinfo), %o0
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	call memcpy
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	call memcpy
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	or %o0, %lo(bootinfo), %o0
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	or %o0, %lo(bootinfo), %o0
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0:
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	/*
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	/*
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	 * Switch to kernel trap table.
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	 * Switch to kernel trap table.
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	 */
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	 */
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	sethi %hi(trap_table), %g1
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	sethi %hi(trap_table), %g1
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	flush %g5
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	flush %g5
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	! set TL back to 0
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	! set TL back to 0
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	wrpr %g0, 0, %tl
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	wrpr %g0, 0, %tl
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	brz %l7, 2f				! skip if you are not the bootstrap CPU
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	call arch_pre_main
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	call arch_pre_main
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	nop
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	nop
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	call main_bsp
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	call main_bsp
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	nop
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	nop