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loader: patch cpu dfll data for slt

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this will correct cpu voltage, and cpu freq drops from uv
This commit is contained in:
hanabbi
2023-09-13 10:58:08 +09:00
parent e8a41faae3
commit b00d2c7c70
4 changed files with 46 additions and 11 deletions
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19
Source/Atmosphere/stratosphere/loader/source/oc/oc_common.hpp
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@@ -38,15 +38,16 @@ namespace ams::ldr {
R_DEFINE_ERROR_RESULT(InvalidMtcTable, 1003);
R_DEFINE_ERROR_RESULT(InvalidDvbTable, 1004);
R_DEFINE_ERROR_RESULT(InvalidCpuFreqVddEntry, 1005);
R_DEFINE_ERROR_RESULT(InvalidCpuDvfs, 1006);
R_DEFINE_ERROR_RESULT(InvalidCpuMinVolt, 1007);
R_DEFINE_ERROR_RESULT(InvalidGpuDvfs, 1008);
R_DEFINE_ERROR_RESULT(InvalidGpuFreqMaxPattern, 1009);
R_DEFINE_ERROR_RESULT(InvalidGpuPllEntry, 1010);
R_DEFINE_ERROR_RESULT(InvalidRegulatorEntry, 1011);
R_DEFINE_ERROR_RESULT(UninitializedPatcher, 1012);
R_DEFINE_ERROR_RESULT(UnsuccessfulPatcher, 1013);
R_DEFINE_ERROR_RESULT(SafetyCheckFailure, 1014);
R_DEFINE_ERROR_RESULT(InvalidCpuVoltDfllEntry, 1006);
R_DEFINE_ERROR_RESULT(InvalidCpuDvfs, 1007);
R_DEFINE_ERROR_RESULT(InvalidCpuMinVolt, 1008);
R_DEFINE_ERROR_RESULT(InvalidGpuDvfs, 1009);
R_DEFINE_ERROR_RESULT(InvalidGpuFreqMaxPattern, 1010);
R_DEFINE_ERROR_RESULT(InvalidGpuPllEntry, 1011);
R_DEFINE_ERROR_RESULT(InvalidRegulatorEntry, 1012);
R_DEFINE_ERROR_RESULT(UninitializedPatcher, 1013);
R_DEFINE_ERROR_RESULT(UnsuccessfulPatcher, 1014);
R_DEFINE_ERROR_RESULT(SafetyCheckFailure, 1015);
}
namespace ams::ldr::oc {

10
Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_common.hpp
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@@ -34,6 +34,16 @@ typedef struct cvb_entry_t {
} cvb_entry_t;
static_assert(sizeof(cvb_entry_t) == 0x38);
typedef struct cvb_cpu_dfll_data {
u32 tune0_low;
u32 tune0_high;
u32 tune1_low;
u32 tune1_high;
unsigned int tune_high_min_millivolts;
unsigned int tune_high_margin_millivolts;
unsigned long dvco_calibration_max;
} cvb_cpu_dfll_data;
typedef struct emc_dvb_dvfs_table_t {
u64 freq;
s32 volt[4] = {0};

23
Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_mariko.cpp
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@@ -51,6 +51,28 @@ Result CpuVoltRange(u32* ptr) {
R_THROW(ldr::ResultInvalidCpuMinVolt());
}
Result CpuVoltDfll(u32* ptr) {
cvb_cpu_dfll_data *entry = reinterpret_cast<cvb_cpu_dfll_data *>(ptr);
R_UNLESS(entry->tune0_low == 0x0000FFCF, ldr::ResultInvalidCpuVoltDfllEntry());
R_UNLESS(entry->tune0_high == 0x00000000, ldr::ResultInvalidCpuVoltDfllEntry());
R_UNLESS(entry->tune1_low == 0x012207FF, ldr::ResultInvalidCpuVoltDfllEntry());
R_UNLESS(entry->tune1_high == 0x03FFF7FF, ldr::ResultInvalidCpuVoltDfllEntry());
if (C.marikoCpuUV) {
if (C.marikoCpuUV == 1) {
PATCH_OFFSET(&(entry->tune0_low), 0x0000FF90); //process_id 0
} else if (C.marikoCpuUV == 2) {
PATCH_OFFSET(&(entry->tune0_low), 0x0000FFA0); //process_id 1
}
PATCH_OFFSET(&(entry->tune0_high), 0x0000FFFF);
PATCH_OFFSET(&(entry->tune1_low), 0x021107FF);
PATCH_OFFSET(&(entry->tune1_high), 0x00000000);
}
R_SUCCEED();
}
Result GpuFreqMaxAsm(u32* ptr32) {
// Check if both two instructions match the pattern
u32 ins1 = *ptr32, ins2 = *(ptr32 + 1);
@@ -537,6 +559,7 @@ void Patch(uintptr_t mapped_nso, size_t nso_size) {
{ "CPU Freq Vdd", &CpuFreqVdd, 1, nullptr, CpuClkOSLimit },
{ "CPU Freq Table", CpuFreqCvbTable<true>, 1, nullptr, CpuCvbDefaultMaxFreq },
{ "CPU Volt Limit", &CpuVoltRange, 13, nullptr, CpuVoltOfficial },
{ "CPU Volt Dfll", &CpuVoltDfll, 1, nullptr, 0x0000FFCF },
{ "GPU Freq Table", GpuFreqCvbTable<true>, 1, nullptr, GpuCvbDefaultMaxFreq },
{ "GPU Freq Asm", &GpuFreqMaxAsm, 2, &GpuMaxClockPatternFn },
//{ "GPU Freq PLL", &GpuFreqPllLimit, 1, nullptr, GpuClkPllLimit },

5
pages/src/main.ts
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@@ -313,9 +313,10 @@ var CustTable: Array<CustEntry> = [
["Reduce CPU power draw",
"Your CPU might not withstand undervolt and performance might drop",
"<b>0</b> : Default Table",
"<b>1</b> : Undervolt Level 1 (SLT)",],
"<b>1</b> : Undervolt Level 1 (SLT - CPU process_id: 0)",
"<b>2</b> : Undervolt Level 1 (SLT - CPU process_id: 1)",],
0,
[0,1],
[0,2],
1,
),
new CustEntry(