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Rev 4369 Rev 4614
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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 29 
 
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#include <arch/arch.h>
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#include <arch/arch.h>
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#include <arch/stack.h>
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#include <arch/stack.h>
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#include <arch/context_offset.h>
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#include <arch/sun4v/regdef.h>
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#include <arch/sun4v/regdef.h>
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#include <arch/sun4v/hypercall.h>
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#include <arch/sun4v/hypercall.h>
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#include <arch/sun4v/arch.h>
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#include <arch/sun4v/arch.h>
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#include <arch/sun4v/cpu.h>
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#include <arch/sun4v/cpu.h>
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#include <arch/mm/pagesize.h>
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#include <arch/mm/pagesize.h>
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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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	wrpr %g1, %lo(trap_table), %tba
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	wrpr %g1, %lo(trap_table), %tba
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- 
 
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	/* Explicitly switch to hypervisor API 1.1. */
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	mov 1, %o0
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   	mov 1, %o1
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   	mov 1, %o2
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   	mov 0, %o3
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   	mov 0, %o4
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   	mov 0, %o5
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   	ta 0xff
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   	nop
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	/*
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	/*
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	 * Take over the MMU.
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	 * Take over the MMU.
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	 */
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	 */
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	set 0, %o0						! reserved
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	set 0, %o0						! reserved
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	set 0, %o1						! reserved
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	set 0, %o1						! reserved
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	set 1, %o2						! context
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	set 1, %o2						! context
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	set MMU_FLAG_DTLB | MMU_FLAG_ITLB, %o3			! MMU flags
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	set MMU_FLAG_DTLB | MMU_FLAG_ITLB, %o3			! MMU flags
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	__HYPERCALL_FAST(MMU_DEMAP_CTX)
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	__HYPERCALL_FAST(MMU_DEMAP_CTX)
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	/*
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	 * Save physmem_base for use by the mm subsystem.
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	 * %l6 contains starting physical address
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	 */
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	sethi %hi(physmem_base), %l4
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	stx %l6, [%l4 + %lo(physmem_base)]
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	/*
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	/*
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	 * Set CPUID.
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	 * Set CPUID.
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	 */
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	 */
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	__HYPERCALL_FAST(CPU_MYID)
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	__HYPERCALL_FAST(CPU_MYID)
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	mulx %o1, MMU_FSA_SIZE, %g1		! g1 <= offset of current CPU's fault status area
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	mulx %o1, MMU_FSA_SIZE, %g1		! g1 <= offset of current CPU's fault status area
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	add %g1, %o0, %o0			! o0 <= FSA of the current CPU
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	add %g1, %o0, %o0			! o0 <= FSA of the current CPU
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	mov SCRATCHPAD_MMU_FSA, %g1
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	mov SCRATCHPAD_MMU_FSA, %g1
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	stxa %o0, [%g1] ASI_SCRATCHPAD		! remember MMU fault status area to speed up miss handler
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	stxa %o0, [%g1] ASI_SCRATCHPAD		! remember MMU fault status area to speed up miss handler
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	__HYPERCALL_FAST(MMU_FAULT_AREA_CONF)
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	__HYPERCALL_FAST(MMU_FAULT_AREA_CONF)
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- 
 
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	! on APs skip executing the following code
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	cmp %l7, 0
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	be 1f
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	nop
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	/*
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	 * Save physmem_base for use by the mm subsystem.
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	 * %l6 contains starting physical address
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	 */
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	sethi %hi(physmem_base), %l4
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	stx %l6, [%l4 + %lo(physmem_base)]
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	/*
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	/*
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	 * Store a template of a TTE Data entry for kernel mappings.
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	 * Store a template of a TTE Data entry for kernel mappings.
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	 * This template will be used from the kernel MMU miss handler.
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	 * This template will be used from the kernel MMU miss handler.
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	 */
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	 */
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	!TTE_DATA(0, %l5, %g2, %g3, %g1)
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	!TTE_DATA(0, %l5, %g2, %g3, %g1)
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0:
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0:
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	ba 0b
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	ba 0b
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	nop
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	nop
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- 
 
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1:
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- 
 
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#ifdef CONFIG_SMP
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- 
 
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	/*
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	 * Configure stack for the AP.
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	 * The AP is expected to use the stack saved
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	 * in the ctx global variable.
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	 */
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	mov	1, %o0			! MMU enable flag
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	set	mmu_enabled, %o1
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	mov	MMU_ENABLE, %o5	! MMU enable HV call
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	ta	0x80		! call HV
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	mmu_enabled:
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	/*
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	 * Configure stack for the AP.
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	 * The AP is expected to use the stack saved
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	 * in the ctx global variable.
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	 */
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	set ctx, %g1
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	add %g1, OFFSET_SP, %g1
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	ldx [%g1], %o6
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	call main_ap
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	nop
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#endif
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	/* Not reached. */
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0:
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	ba 0b
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	nop
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.section K_DATA_START, "aw", @progbits
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.section K_DATA_START, "aw", @progbits
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251 
#define INITIAL_STACK_SIZE		1024
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#define INITIAL_STACK_SIZE		1024
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.align STACK_ALIGNMENT
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.align STACK_ALIGNMENT