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ARM: no need for nommu to jump through the hoops that mmu does
nommu can jump directly to __mmap_switched without the absolute address branching which the mmuful kernel does. Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1 changed files with 1 additions and 4 deletions
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@ -48,8 +48,6 @@ ENTRY(stext)
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movs r8, r5 @ invalid machine (r5=0)?
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beq __error_a @ yes, error 'a'
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ldr r13, __switch_data @ address to jump to after
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@ the initialization is done
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adr lr, BSYM(__after_proc_init) @ return (PIC) address
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ARM( add pc, r10, #PROCINFO_INITFUNC )
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THUMB( add r12, r10, #PROCINFO_INITFUNC )
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@ -87,8 +85,7 @@ __after_proc_init:
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mcr p15, 0, r0, c1, c0, 0 @ write control reg
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#endif /* CONFIG_CPU_CP15 */
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mov r3, r13
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mov pc, r3 @ clear the BSS and jump
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b __mmap_switched @ clear the BSS and jump
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@ to start_kernel
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ENDPROC(__after_proc_init)
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.ltorg
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