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kern: implement process(pagetable) init

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This commit is contained in:
Michael Scire
2020-02-19 01:22:27 -08:00
parent fba8fb539d
commit 05a3e95834
16 changed files with 502 additions and 24 deletions
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12
libraries/libmesosphere/source/board/nintendo/nx/kern_k_device_page_table.cpp
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@@ -217,7 +217,7 @@ namespace ams::kern::board::nintendo::nx {
}
};
class KAsidManager {
class KDeviceAsidManager {
private:
using WordType = u32;
static constexpr u8 ReservedAsids[] = { 0, 1, 2, 3 };
@@ -241,7 +241,7 @@ namespace ams::kern::board::nintendo::nx {
return __builtin_clzll(value) - (BITSIZEOF(unsigned long long) - BITSIZEOF(WordType));
}
public:
constexpr KAsidManager() : state(), lock() {
constexpr KDeviceAsidManager() : state(), lock() {
for (size_t i = 0; i < NumReservedAsids; i++) {
this->ReserveImpl(ReservedAsids[i]);
}
@@ -254,7 +254,7 @@ namespace ams::kern::board::nintendo::nx {
size_t num_reserved = 0;
for (size_t i = 0; i < NumWords; i++) {
while (this->state[i] != FullWord) {
WordType clear_bit = (this->state[i] + 1) ^ (this->state[i]);
const WordType clear_bit = (this->state[i] + 1) ^ (this->state[i]);
this->state[i] |= clear_bit;
out[num_reserved++] = static_cast<u8>(BitsPerWord * i + BitsPerWord - 1 - ClearLeadingZero(clear_bit));
R_UNLESS(num_reserved != num_desired, ResultSuccess());
@@ -277,9 +277,9 @@ namespace ams::kern::board::nintendo::nx {
/* Globals. */
KLightLock g_lock;
u8 g_reserved_asid;
KPhysicalAddress g_memory_controller_address;
KPhysicalAddress g_reserved_table_phys_addr;
KAsidManager g_asid_manager;
KPhysicalAddress g_memory_controller_address;
KPhysicalAddress g_reserved_table_phys_addr;
KDeviceAsidManager g_asid_manager;
/* Memory controller access functionality. */
void WriteMcRegister(size_t offset, u32 value) {