*参照元 [#r03944e9] #backlinks *説明 [#fbcea3b6] -パス: [[linux-2.6.33/arch/arm/mm/proc-v7.S]] -FIXME: これは何? --説明 **引数 [#xa0e13d0] - -- **返り値 [#oe714b2d] - -- **参考 [#v601976d] *実装 [#s99e4faa] /* * cpu_v7_switch_mm(pgd_phys, tsk) * * Set the translation table base pointer to be pgd_phys * * - pgd_phys - physical address of new TTB * * It is assumed that: * - we are not using split page tables */ ENTRY(cpu_v7_switch_mm) #ifdef CONFIG_MMU mov r2, #0 ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id orr r0, r0, #TTB_FLAGS #ifdef CONFIG_ARM_ERRATA_430973 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB #endif mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID isb 1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 isb mcr p15, 0, r1, c13, c0, 1 @ set context ID isb #endif mov pc, lr ENDPROC(cpu_v7_switch_mm) *コメント [#r83f158c]