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Update spike_cosim.cc to be able to build against newer Spikes

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This should work with versions ibex-cosim-v0.1 and ibex-cosim-v0.2.
This commit is contained in:
Rupert Swarbrick 2022-03-17 22:10:06 +00:00 • committed by Rupert Swarbrick
parent 63509ff4da
commit 96d8aa6c15
1 changed files with 26 additions and 0 deletions
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26
dv/cosim/spike_cosim.cc
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@ -14,6 +14,20 @@
#include <iostream>
#include <sstream>
// For a short time, we're going to support building against version
// ibex-cosim-v0.1 (ec46119, the first version of Spike against which this was
// developed) and also ibex-cosim-v0.2 (20a886c). Unfortunately, they've got
// different APIs and spike doesn't expose a version string.
//
// However, a bit of digging around finds some defines that have been added
// between the two versions.
//
// TODO: Once there's been a bit of a window to avoid a complete flag day,
// remove this ugly hack!
#ifndef MSTATUSH_GVA
#define OLD_SPIKE
#endif
SpikeCosim::SpikeCosim(const std::string &isa_string, uint32_t start_pc,
uint32_t start_mtvec, const std::string &trace_log_path,
bool secure_ibex, bool icache_en)
@ -24,9 +38,17 @@ SpikeCosim::SpikeCosim(const std::string &isa_string, uint32_t start_pc,
log_file = log->get();
}
#ifdef OLD_SPIKE
processor = std::make_unique<processor_t>(
isa_string.c_str(), "MU", DEFAULT_VARCH, this, 0, false, log_file,
nullptr, secure_ibex, icache_en);
#else
processor =
std::make_unique<processor_t>(isa_string.c_str(), "MU", DEFAULT_VARCH,
this, 0, false, log_file, std::cerr);
processor->set_ibex_flags(secure_ibex, icache_en);
#endif
processor->set_mmu_capability(IMPL_MMU_SBARE);
processor->get_state()->pc = start_pc;
@ -326,7 +348,11 @@ void SpikeCosim::set_debug_req(bool debug_req) {
}
void SpikeCosim::set_mcycle(uint64_t mcycle) {
#ifdef OLD_SPIKE
processor->get_state()->mcycle = mcycle;
#else
processor->get_state()->mcycle->write(mcycle);
#endif
}
void SpikeCosim::notify_dside_access(const DSideAccessInfo &access_info) {