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author | Chih-Min Chao <48193236+chihminchao@users.noreply.github.com> | 2021-01-21 14:30:36 +0800 |
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committer | GitHub <noreply@github.com> | 2021-01-20 22:30:36 -0800 |
commit | 5b51752cea5c44916c16731c09985f48e89316b9 (patch) | |
tree | 41fadc7c20b546a49a6a2cc49dbe7e7ae59e8518 /riscv/sim.cc | |
parent | 9bfb43c668848a4850d5805b9adb8ad18e7f43b6 (diff) | |
download | spike-5b51752cea5c44916c16731c09985f48e89316b9.zip spike-5b51752cea5c44916c16731c09985f48e89316b9.tar.gz spike-5b51752cea5c44916c16731c09985f48e89316b9.tar.bz2 |
add support to page on demand (#634)
This patch splites the target-requested memory regions into pages and only
allocates host memory when it is accessed to reduce larget memory sceniaro
in 64 bit target system
Co-authored-by: Dave.Wen <dave.wen@sifive.com>
Diffstat (limited to 'riscv/sim.cc')
-rw-r--r-- | riscv/sim.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/riscv/sim.cc b/riscv/sim.cc index 5fff0ed..73d2b45 100644 --- a/riscv/sim.cc +++ b/riscv/sim.cc @@ -353,7 +353,7 @@ char* sim_t::addr_to_mem(reg_t addr) { auto desc = bus.find_device(addr); if (auto mem = dynamic_cast<mem_t*>(desc.second)) if (addr - desc.first < mem->size()) - return mem->contents() + (addr - desc.first); + return mem->contents(addr); return NULL; } |