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kern: remove firmare-specific SignalAndModify impl

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Nintendo made this breaking change because there was zero official software relying on it,
so it's safe for us to make the same change.
This commit is contained in:
Michael Scire
2021-07-22 15:56:43 -07:00
parent 73afa042f1
commit f5704d25f8
1 changed files with 12 additions and 37 deletions
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25
libraries/libmesosphere/source/kern_k_address_arbiter.cpp
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@@ -103,7 +103,6 @@ namespace ams::kern {
auto it = m_tree.nfind_key({ addr, -1 }); auto it = m_tree.nfind_key({ addr, -1 });
/* Determine the updated value. */ /* Determine the updated value. */
s32 new_value; s32 new_value;
if (GetTargetFirmware() >= TargetFirmware_7_0_0) {
if (count <= 0) { if (count <= 0) {
if ((it != m_tree.end()) && (it->GetAddressArbiterKey() == addr)) { if ((it != m_tree.end()) && (it->GetAddressArbiterKey() == addr)) {
new_value = value - 2; new_value = value - 2;
@@ -129,30 +128,6 @@ namespace ams::kern {
new_value = value + 1; new_value = value + 1;
} }
} }
} else {
if (count <= 0) {
if ((it != m_tree.end()) && (it->GetAddressArbiterKey() == addr)) {
new_value = value - 1;
} else {
new_value = value + 1;
}
} else {
auto tmp_it = it;
s32 tmp_num_waiters = 0;
while ((tmp_it != m_tree.end()) && (tmp_it->GetAddressArbiterKey() == addr) && (tmp_num_waiters < count + 1)) {
++tmp_num_waiters;
++tmp_it;
}
if (tmp_num_waiters == 0) {
new_value = value + 1;
} else if (tmp_num_waiters <= count) {
new_value = value - 1;
} else {
new_value = value;
}
}
}
/* Check the userspace value. */ /* Check the userspace value. */
s32 user_value; s32 user_value;