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ARCH        ?= arm
CROSS_COMPILE    ?= arm-linux-
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make
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.section ".text.head", "ax"
    .type    stext, %function
ENTRY(stext)
    msr    cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
                        @ and irqs disabled
    mrc    p15, 0, r9, c0, c0        @ get processor id
    bl    __lookup_processor_type        @ r5=procinfo r9=cpuid
    movs    r10, r5                @ invalid processor (r5=0)?
    beq    __error_p            @ yes, error 'p'
    bl    __lookup_machine_type        @ r5=machinfo
    movs    r8, r5                @ invalid machine (r5=0)?
    beq    __error_a            @ yes, error 'a'
    bl 


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