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authorYenHaoChen <howard25336284@gmail.com>2023-08-01 14:44:07 +0800
committerYenHaoChen <howard25336284@gmail.com>2023-09-13 09:04:43 +0800
commit7b3b2e94adefa63a31c73267af21819ad833aba0 (patch)
tree458e612b986d092ee7556215d7b6814be70dc3e1 /riscv/triggers.cc
parenteb9a55a519634c146bc7f287e99315654f3067ad (diff)
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triggers: refactor: icount: breakdown detect_icount_match() into detect_icount_fire() and detect_icount_decrement()
Diffstat (limited to 'riscv/triggers.cc')
-rw-r--r--riscv/triggers.cc18
1 files changed, 13 insertions, 5 deletions
diff --git a/riscv/triggers.cc b/riscv/triggers.cc
index b2b815d..24a0f4e 100644
--- a/riscv/triggers.cc
+++ b/riscv/triggers.cc
@@ -305,7 +305,7 @@ void mcontrol6_t::tdata1_write(processor_t * const proc, const reg_t val, const
load = get_field(val, CSR_MCONTROL6_LOAD);
}
-std::optional<match_result_t> icount_t::detect_icount_match(processor_t * const proc) noexcept
+std::optional<match_result_t> icount_t::detect_icount_fire(processor_t * const proc) noexcept
{
if (!common_match(proc) || !allow_action(proc->get_state()))
return std::nullopt;
@@ -317,13 +317,19 @@ std::optional<match_result_t> icount_t::detect_icount_match(processor_t * const
ret = match_result_t(TIMING_BEFORE, action);
}
- if (count >= 1 && (ret == std::nullopt || action != MCONTROL_ACTION_DEBUG_MODE)) {
+ return ret;
+}
+
+void icount_t::detect_icount_decrement(processor_t * const proc) noexcept
+{
+ if (!common_match(proc) || !allow_action(proc->get_state()))
+ return;
+
+ if (count >= 1) {
if (count == 1)
pending = 1;
count = count - 1;
}
-
- return ret;
}
reg_t icount_t::tdata1_read(const processor_t * const proc) const noexcept
@@ -588,7 +594,9 @@ std::optional<match_result_t> module_t::detect_icount_match() noexcept
std::optional<match_result_t> ret = std::nullopt;
for (auto trigger: triggers) {
- auto result = trigger->detect_icount_match(proc);
+ auto result = trigger->detect_icount_fire(proc);
+ if (result == std::nullopt || result->action != MCONTROL_ACTION_DEBUG_MODE)
+ trigger->detect_icount_decrement(proc);
if (result.has_value() && (!ret.has_value() || ret->action < result->action))
ret = result;
}