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openocd: always try to aggregate mmu config writes

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As memory writes have high fix costs, we want to minimize the number
of writes in consequence of the mmu configuration.

This commit aggregates writes as far as possible.

Change-Id: I4ba6618fc9023ae4a353585710e2933d3d7a6051
This commit is contained in:
Lars Rademacher
2013-12-31 16:41:09 +01:00
parent 98777e1ec3
commit 55d17ba439
1 changed files with 4 additions and 3 deletions
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7
debuggers/openocd/openocd_wrapper.cc
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@ -1734,9 +1734,10 @@ static bool update_mmu_watch_add()
if (first_lvl->mapped) {
uint32_t descr_content = (cand_it->index << 20) | 0xc00;
uint32_t descr_addr = sym_addr_PageTableFirstLevel + (cand_it->index * 4);
LOG << "Writing to " << hex << descr_addr << dec << endl;
oocdw_write_to_memory(descr_addr, 4, 1, (unsigned char*)(&descr_content), true);
LOG << "Writing entry at " << hex << descr_addr << " content: " << descr_content << dec << endl;
//LOG << "Writing to " << hex << descr_addr << dec << endl;
buffer_for_chunked_write.push_back(std::pair<uint32_t, uint32_t>(descr_addr,descr_content));
// oocdw_write_to_memory(descr_addr, 4, 1, (unsigned char*)(&descr_content), true);
//LOG << "Writing entry at " << hex << descr_addr << " content: " << descr_content << dec << endl;
first_lvl->mapped = false;
invalidate = true;
}