From b55361d07fc02f626103355115274117aa05d330 Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Fri, 15 May 2015 09:03:54 +0200 Subject: [PATCH] cortex_a: remove cache handlers from cortex_a_write_phys_memory This was needed for ahb access Change-Id: I638f45a276a593c08140b5d9d7480617aa85f096 Signed-off-by: Oleksij Rempel Reviewed-on: http://openocd.zylin.com/2796 Reviewed-by: Paul Fertser Tested-by: jenkins --- src/target/cortex_a.c | 54 ------------------------------------------- 1 file changed, 54 deletions(-) diff --git a/src/target/cortex_a.c b/src/target/cortex_a.c index 33e096627d..3da58701d8 100644 --- a/src/target/cortex_a.c +++ b/src/target/cortex_a.c @@ -2698,60 +2698,6 @@ static int cortex_a_write_phys_memory(struct target *target, return cortex_a_write_apb_ab_memory(target, address, size, count, buffer); } - /* REVISIT this op is generic ARMv7-A/R stuff */ - if (retval == ERROR_OK && target->state == TARGET_HALTED) { - struct arm_dpm *dpm = armv7a->arm.dpm; - - retval = dpm->prepare(dpm); - if (retval != ERROR_OK) - return retval; - - /* The Cache handling will NOT work with MMU active, the - * wrong addresses will be invalidated! - * - * For both ICache and DCache, walk all cache lines in the - * address range. Cortex-A has fixed 64 byte line length. - * - * REVISIT per ARMv7, these may trigger watchpoints ... - */ - - /* invalidate I-Cache */ - if (armv7a->armv7a_mmu.armv7a_cache.i_cache_enabled) { - /* ICIMVAU - Invalidate Cache single entry - * with MVA to PoU - * MCR p15, 0, r0, c7, c5, 1 - */ - for (uint32_t cacheline = 0; - cacheline < size * count; - cacheline += 64) { - retval = dpm->instr_write_data_r0(dpm, - ARMV4_5_MCR(15, 0, 0, 7, 5, 1), - address + cacheline); - if (retval != ERROR_OK) - return retval; - } - } - - /* invalidate D-Cache */ - if (armv7a->armv7a_mmu.armv7a_cache.d_u_cache_enabled) { - /* DCIMVAC - Invalidate data Cache line - * with MVA to PoC - * MCR p15, 0, r0, c7, c6, 1 - */ - for (uint32_t cacheline = 0; - cacheline < size * count; - cacheline += 64) { - retval = dpm->instr_write_data_r0(dpm, - ARMV4_5_MCR(15, 0, 0, 7, 6, 1), - address + cacheline); - if (retval != ERROR_OK) - return retval; - } - } - - /* (void) */ dpm->finish(dpm); - } - return retval; } -- 2.30.2