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disablecache: mrc p15, 0, r15, c7, c14, 3 @ test, clean and invalidate bne disablecache mov r0,#0 @ drain write buffer mcr p15, 0, r0, c7, c10, 4@@@@ mcr p15, 0, r0, c7, c6, 0 @ invalidate dcache mrc p15, 0, r0, c1, c0, 0 @ Disable Icache(12), Dcache(2) and MMU(0) bic r0, r0, #4096 bic r0, r0, #5 mcr p15, 0, r0, c1, c0, 0 mov pc,lr @ return to SWI handler
disablecache: mov r0,#0 @ drain write buffer mcr p15, 0, r0, c7, c10, 4 mrc p15, 0, r15, c7, c14, 3 @ test, clean and invalidate bne disablecache @@@@ mcr p15, 0, r0, c7, c6, 0 @ invalidate dcache mrc p15, 0, r0, c1, c0, 0 @ Disable Icache(12), Dcache(2) and MMU(0) bic r0, r0, #4096 bic r0, r0, #5 mcr p15, 0, r0, c1, c0, 0 mov pc,lr @ return to SWI handler
disablecache: mrc p15, 0, r15, c7, c14, 3 @ test, clean and invalidate bne DisableCache mov r0,#0 mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache mcr p15, 0, r0, c7, c10, 4 @ drain write buffer mrc p15, 0, r0, c1, c0, 0 @ Disable Icache(12), Dcache(2) and MMU(0) bic r0, r0, #4096 bic r0, r0, #5 mcr p15, 0, r0, c1, c0, 0 mov pc,lr