This is an automated email from Gerrit. Matthias Welwarsky ([email protected]) just uploaded a new patch set to Gerrit, which you can find at http://openocd.zylin.com/3026
-- gerrit commit e3f6bbd2c2e447e3b3a80e257296694a7c70e62a Author: Matthias Welwarsky <[email protected]> Date: Fri Oct 16 09:57:19 2015 +0200 armv7a: add d-cache virtual address range flush function This patch adds a function for cleaning & invalidating a virtual address range from the architecture caches down to the point of coherence. Change-Id: I4061ab023a3797fabc967f3a34498034841d52c6 Signed-off-by: Matthias Welwarsky <[email protected]> diff --git a/src/target/armv7a_cache.c b/src/target/armv7a_cache.c index 2cd5deb..ddd1fea 100644 --- a/src/target/armv7a_cache.c +++ b/src/target/armv7a_cache.c @@ -223,6 +223,41 @@ done: return retval; } +int armv7a_l1_d_cache_flush_virt(struct target *target, uint32_t virt, + unsigned int size) +{ + struct armv7a_common *armv7a = target_to_armv7a(target); + struct arm_dpm *dpm = armv7a->arm.dpm; + struct armv7a_cache_common *armv7a_cache = &armv7a->armv7a_mmu.armv7a_cache; + uint32_t i, linelen = armv7a_cache->dminline; + int retval; + + retval = armv7a_l1_d_cache_sanity_check(target); + if (retval != ERROR_OK) + return retval; + + retval = dpm->prepare(dpm); + if (retval != ERROR_OK) + goto done; + + for (i = 0; i < size; i += linelen) { + uint32_t offs = virt + i; + + /* DCCIMVAC */ + retval = dpm->instr_write_data_r0(dpm, + ARMV4_5_MCR(15, 0, 0, 7, 14, 1), offs); + if (retval != ERROR_OK) + goto done; + } + return retval; + +done: + LOG_ERROR("d-cache invalidate failed"); + dpm->finish(dpm); + + return retval; +} + int armv7a_l1_i_cache_inval_all(struct target *target) { struct armv7a_common *armv7a = target_to_armv7a(target); -- ------------------------------------------------------------------------------ _______________________________________________ OpenOCD-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openocd-devel
