mika/Atmosphere-libs
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere-libs.git synced 2025-06-21 19:12:42 +02:00
Code Issues Packages Projects Releases Wiki Activity

exo/meso/fusee: support dynamic control of log port/baud rate

Browse Source
This commit is contained in:
Michael Scire 2020-12-07 19:25:06 -08:00
parent af44769939
commit 3355f97275
10 changed files with 128 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libexosphere/include/exosphere/log.hpp
View File

@ -35,6 +35,7 @@ namespace ams::log {
#endif
void Initialize();
void Initialize(uart::Port port, u32 baud_rate);
void Finalize();
void Printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));

8
libexosphere/include/exosphere/secmon/secmon_configuration_context.arch.arm64.hpp
View File

@ -116,6 +116,14 @@ namespace ams::secmon {
return GetSecmonConfiguration().GetLcdVendor();
}
ALWAYS_INLINE uart::Port GetLogPort() {
return GetSecmonConfiguration().GetLogPort();
}
ALWAYS_INLINE u32 GetLogBaudRate() {
return GetSecmonConfiguration().GetLogBaudRate();
}
ALWAYS_INLINE bool IsProduction() {
return GetSecmonConfiguration().IsProduction();
}

20
libexosphere/include/exosphere/secmon/secmon_monitor_context.hpp
View File

@ -16,6 +16,7 @@
#pragma once
#include <vapours.hpp>
#include <exosphere/fuse.hpp>
#include <exosphere/uart.hpp>
#include <exosphere/secmon/secmon_emummc_context.hpp>
namespace ams::secmon {
@ -39,8 +40,10 @@ namespace ams::secmon {
ams::TargetFirmware target_firmware;
u32 flags[2];
u16 lcd_vendor;
u16 reserved0;
u32 reserved1[3];
u8 reserved0;
u8 log_port;
u32 log_baud_rate;
u32 reserved1[2];
EmummcConfiguration emummc_cfg;
constexpr bool IsValid() const { return this->magic == Magic; }
@ -54,17 +57,20 @@ namespace ams::secmon {
u8 hardware_type;
u8 soc_type;
u8 hardware_state;
u8 pad_0B[1];
u8 log_port;
u32 flags[2];
u16 lcd_vendor;
u16 reserved0;
u32 reserved1[(0x80 - 0x18) / sizeof(u32)];
u32 log_baud_rate;
u32 reserved1[(0x80 - 0x1C) / sizeof(u32)];
constexpr void CopyFrom(const SecureMonitorStorageConfiguration &storage) {
this->target_firmware = storage.target_firmware;
this->flags[0] = storage.flags[0];
this->flags[1] = storage.flags[1];
this->lcd_vendor = storage.lcd_vendor;
this->log_port = storage.log_port;
this->log_baud_rate = storage.log_baud_rate != 0 ? storage.log_baud_rate : 115200;
}
void SetFuseInfo() {
@ -78,9 +84,12 @@ namespace ams::secmon {
constexpr fuse::HardwareType GetHardwareType() const { return static_cast<fuse::HardwareType>(this->hardware_type); }
constexpr fuse::SocType GetSocType() const { return static_cast<fuse::SocType>(this->soc_type); }
constexpr fuse::HardwareState GetHardwareState() const { return static_cast<fuse::HardwareState>(this->hardware_state); }
constexpr uart::Port GetLogPort() const { return static_cast<uart::Port>(this->log_port); }
constexpr u16 GetLcdVendor() const { return this->lcd_vendor; }
constexpr u32 GetLogBaudRate() const { return this->log_baud_rate; }
constexpr bool IsProduction() const { return this->GetHardwareState() != fuse::HardwareState_Development; }
constexpr bool IsDevelopmentFunctionEnabledForKernel() const { return (this->flags[0] & SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForKernel) != 0; }
@ -101,10 +110,11 @@ namespace ams::secmon {
.hardware_type = {},
.soc_type = {},
.hardware_state = {},
.pad_0B = {},
.log_port = uart::Port_ReservedDebug,
.flags = { SecureMonitorConfigurationFlag_Default, SecureMonitorConfigurationFlag_None },
.lcd_vendor = {},
.reserved0 = {},
.log_baud_rate = 115200,
.reserved1 = {},
};

69
libexosphere/source/log/log_api.cpp
View File

@ -19,58 +19,63 @@ namespace ams::log {
namespace {
constexpr inline uart::Port UartLogPort = uart::Port_ReservedDebug;
constexpr inline int UartBaudRate = 115200;
constexpr inline uart::Port DefaultLogPort = uart::Port_ReservedDebug;
constexpr inline int DefaultBaudRate = 115200;
constinit uart::Port g_log_port = DefaultLogPort;
constinit bool g_initialized_uart = false;
constexpr inline u32 UartPortFlags = [] {
if constexpr (UartLogPort == uart::Port_ReservedDebug) {
/* Logging to the debug port. */
/* Don't invert transactions. */
return uart::Flag_None;
} else if constexpr (UartLogPort == uart::Port_LeftJoyCon) {
/* Logging to left joy-con (e.g. with Joyless). */
/* Invert transactions. */
return uart::Flag_Inverted;
} else if constexpr (UartLogPort == uart::Port_RightJoyCon) {
/* Logging to right joy-con (e.g. with Joyless). */
/* Invert transactions. */
return uart::Flag_Inverted;
} else {
__builtin_unreachable();
ALWAYS_INLINE u32 GetPortFlags(uart::Port port) {
switch (port) {
case uart::Port_ReservedDebug:
/* Logging to the debug port. */
/* Don't invert transactions. */
return uart::Flag_None;
case uart::Port_LeftJoyCon:
/* Logging to left joy-con (e.g. with Joyless). */
/* Invert transactions. */
return uart::Flag_Inverted;
case uart::Port_RightJoyCon:
/* Logging to right joy-con (e.g. with Joyless). */
/* Invert transactions. */
return uart::Flag_Inverted;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}();
}
ALWAYS_INLINE void SetupUart() {
if constexpr (UartLogPort == uart::Port_ReservedDebug) {
/* Logging to the debug port. */
pinmux::SetupUartA();
clkrst::EnableUartAClock();
} else if constexpr (UartLogPort == uart::Port_LeftJoyCon) {
ALWAYS_INLINE void SetupUartClock(uart::Port port) {
/* The debug port must always be set up, for compatibility with official hos. */
pinmux::SetupUartA();
clkrst::EnableUartAClock();
/* If logging to a joy-con port, configure appropriately. */
if (port == uart::Port_LeftJoyCon) {
/* Logging to left joy-con (e.g. with Joyless). */
static_assert(uart::Port_LeftJoyCon == uart::Port_C);
pinmux::SetupUartC();
clkrst::EnableUartCClock();
} else if constexpr (UartLogPort == uart::Port_RightJoyCon) {
} else if (port == uart::Port_RightJoyCon) {
/* Logging to right joy-con (e.g. with Joyless). */
static_assert(uart::Port_RightJoyCon == uart::Port_B);
pinmux::SetupUartB();
clkrst::EnableUartBClock();
} else {
__builtin_unreachable();
}
}
}
void Initialize() {
return Initialize(DefaultLogPort, DefaultBaudRate);
}
void Initialize(uart::Port port, u32 baud_rate) {
/* Initialize pinmux and clock for the target uart port. */
SetupUart();
SetupUartClock(port);
/* Initialize the target uart port. */
uart::Initialize(UartLogPort, UartBaudRate, UartPortFlags);
uart::Initialize(port, baud_rate, GetPortFlags(port));
/* Note that we've initialized. */
g_log_port = port;
g_initialized_uart = true;
}
@ -84,7 +89,7 @@ namespace ams::log {
const auto len = util::TVSNPrintf(log_buf, sizeof(log_buf), fmt, vl);
if (g_initialized_uart) {
uart::SendText(UartLogPort, log_buf, len);
uart::SendText(g_log_port, log_buf, len);
}
}
@ -115,13 +120,13 @@ namespace ams::log {
void SendText(const void *text, size_t size) {
if (g_initialized_uart) {
uart::SendText(UartLogPort, text, size);
uart::SendText(g_log_port, text, size);
}
}
void Flush() {
if (g_initialized_uart) {
uart::WaitFlush(UartLogPort);
uart::WaitFlush(g_log_port);
}
}

1
libmesosphere/include/mesosphere/board/nintendo/nx/kern_k_system_control.hpp
View File

@ -30,6 +30,7 @@ namespace ams::kern::board::nintendo::nx {
static size_t GetApplicationPoolSize();
static size_t GetAppletPoolSize();
static size_t GetMinimumNonSecureSystemPoolSize();
static u8 GetDebugLogUartPort();
/* Randomness. */
static void GenerateRandomBytes(void *dst, size_t size);

2
libmesosphere/include/mesosphere/kern_debug_log.hpp
View File

@ -40,7 +40,7 @@ namespace ams::kern {
#ifndef MESOSPHERE_DEBUG_LOG_SELECTED
#ifdef ATMOSPHERE_BOARD_NINTENDO_NX
#define MESOSPHERE_DEBUG_LOG_USE_UART_A
#define MESOSPHERE_DEBUG_LOG_USE_UART
#else
#error "Unknown board for Default Debug Log Source"
#endif

9
libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
View File

@ -409,6 +409,15 @@ namespace ams::kern::board::nintendo::nx {
return MinimumSize;
}
u8 KSystemControl::Init::GetDebugLogUartPort() {
/* Get the log configuration. */
u64 value = 0;
smc::init::GetConfig(std::addressof(value), 1, smc::ConfigItem::ExosphereLogConfiguration);
/* Extract the port. */
return static_cast<u8>((value >> 32) & 0xFF);
}
void KSystemControl::Init::CpuOn(u64 core_id, uintptr_t entrypoint, uintptr_t arg) {
smc::init::CpuOn(core_id, entrypoint, arg);
}

19
libmesosphere/source/board/nintendo/nx/kern_secure_monitor.hpp
View File

@ -55,15 +55,16 @@ namespace ams::kern::board::nintendo::nx::smc {
Package2Hash = 17,
/* Extension config items for exosphere. */
ExosphereApiVersion = 65000,
ExosphereNeedsReboot = 65001,
ExosphereNeedsShutdown = 65002,
ExosphereGitCommitHash = 65003,
ExosphereHasRcmBugPatch = 65004,
ExosphereBlankProdInfo = 65005,
ExosphereAllowCalWrites = 65006,
ExosphereEmummcType = 65007,
ExospherePayloadAddress = 65008,
ExosphereApiVersion = 65000,
ExosphereNeedsReboot = 65001,
ExosphereNeedsShutdown = 65002,
ExosphereGitCommitHash = 65003,
ExosphereHasRcmBugPatch = 65004,
ExosphereBlankProdInfo = 65005,
ExosphereAllowCalWrites = 65006,
ExosphereEmummcType = 65007,
ExospherePayloadAddress = 65008,
ExosphereLogConfiguration = 65009,
};
enum class SmcResult {

70
libmesosphere/source/kern_debug_log_impl.board.nintendo_nx.cpp
View File

@ -18,10 +18,12 @@
namespace ams::kern {
#if defined(MESOSPHERE_DEBUG_LOG_USE_UART_A) || defined(MESOSPHERE_DEBUG_LOG_USE_UART_B) || defined(MESOSPHERE_DEBUG_LOG_USE_UART_C) || defined(MESOSPHERE_DEBUG_LOG_USE_UART_D)
#if defined(MESOSPHERE_DEBUG_LOG_USE_UART)
namespace {
constexpr bool DoSaveAndRestore = false;
enum UartRegister {
UartRegister_THR = 0,
UartRegister_IER = 1,
@ -38,13 +40,13 @@ namespace ams::kern {
KVirtualAddress g_uart_address = 0;
constinit u32 g_saved_registers[5];
[[maybe_unused]] constinit u32 g_saved_registers[5];
NOINLINE u32 ReadUartRegister(UartRegister which) {
ALWAYS_INLINE u32 ReadUartRegister(UartRegister which) {
return GetPointer<volatile u32>(g_uart_address)[which];
}
NOINLINE void WriteUartRegister(UartRegister which, u32 value) {
ALWAYS_INLINE void WriteUartRegister(UartRegister which, u32 value) {
GetPointer<volatile u32>(g_uart_address)[which] = value;
}
@ -86,43 +88,47 @@ namespace ams::kern {
}
void KDebugLogImpl::Save() {
/* Save LCR, IER, FCR. */
g_saved_registers[0] = ReadUartRegister(UartRegister_LCR);
g_saved_registers[1] = ReadUartRegister(UartRegister_IER);
g_saved_registers[2] = ReadUartRegister(UartRegister_FCR);
if constexpr (DoSaveAndRestore) {
/* Save LCR, IER, FCR. */
g_saved_registers[0] = ReadUartRegister(UartRegister_LCR);
g_saved_registers[1] = ReadUartRegister(UartRegister_IER);
g_saved_registers[2] = ReadUartRegister(UartRegister_FCR);
/* Set Divisor Latch Access bit, to allow access to DLL/DLH */
WriteUartRegister(UartRegister_LCR, 0x80);
ReadUartRegister(UartRegister_LCR);
/* Set Divisor Latch Access bit, to allow access to DLL/DLH */
WriteUartRegister(UartRegister_LCR, 0x80);
ReadUartRegister(UartRegister_LCR);
/* Save DLL/DLH. */
g_saved_registers[3] = ReadUartRegister(UartRegister_DLL);
g_saved_registers[4] = ReadUartRegister(UartRegister_DLH);
/* Save DLL/DLH. */
g_saved_registers[3] = ReadUartRegister(UartRegister_DLL);
g_saved_registers[4] = ReadUartRegister(UartRegister_DLH);
/* Restore Divisor Latch Access bit. */
WriteUartRegister(UartRegister_LCR, g_saved_registers[0]);
ReadUartRegister(UartRegister_LCR);
/* Restore Divisor Latch Access bit. */
WriteUartRegister(UartRegister_LCR, g_saved_registers[0]);
ReadUartRegister(UartRegister_LCR);
}
}
void KDebugLogImpl::Restore() {
/* Set Divisor Latch Access bit, to allow access to DLL/DLH */
WriteUartRegister(UartRegister_LCR, 0x80);
ReadUartRegister(UartRegister_LCR);
if constexpr (DoSaveAndRestore) {
/* Set Divisor Latch Access bit, to allow access to DLL/DLH */
WriteUartRegister(UartRegister_LCR, 0x80);
ReadUartRegister(UartRegister_LCR);
/* Restore DLL/DLH. */
WriteUartRegister(UartRegister_DLL, g_saved_registers[3]);
WriteUartRegister(UartRegister_DLH, g_saved_registers[4]);
ReadUartRegister(UartRegister_DLH);
/* Restore DLL/DLH. */
WriteUartRegister(UartRegister_DLL, g_saved_registers[3]);
WriteUartRegister(UartRegister_DLH, g_saved_registers[4]);
ReadUartRegister(UartRegister_DLH);
/* Restore Divisor Latch Access bit. */
WriteUartRegister(UartRegister_LCR, g_saved_registers[0]);
ReadUartRegister(UartRegister_LCR);
/* Restore Divisor Latch Access bit. */
WriteUartRegister(UartRegister_LCR, g_saved_registers[0]);
ReadUartRegister(UartRegister_LCR);
/* Restore IER and FCR. */
WriteUartRegister(UartRegister_IER, g_saved_registers[1]);
WriteUartRegister(UartRegister_FCR, g_saved_registers[2] | 2);
WriteUartRegister(UartRegister_IRDA_CSR, 0x02);
ReadUartRegister(UartRegister_FCR);
/* Restore IER and FCR. */
WriteUartRegister(UartRegister_IER, g_saved_registers[1]);
WriteUartRegister(UartRegister_FCR, g_saved_registers[2] | 2);
WriteUartRegister(UartRegister_IRDA_CSR, 0x02);
ReadUartRegister(UartRegister_FCR);
}
}
#elif defined(MESOSPHERE_DEBUG_LOG_USE_IRAM_RINGBUFFER)

16
libmesosphere/source/kern_k_memory_layout.board.nintendo_nx.cpp
View File

@ -26,14 +26,14 @@ namespace ams::kern {
constexpr size_t CarveoutSizeMax = 512_MB - CarveoutAlignment;
ALWAYS_INLINE bool SetupUartPhysicalMemoryRegion() {
#if defined(MESOSPHERE_DEBUG_LOG_USE_UART_A)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006000, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#elif defined(MESOSPHERE_DEBUG_LOG_USE_UART_B)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006040, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#elif defined(MESOSPHERE_DEBUG_LOG_USE_UART_C)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006200, 0x100, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#elif defined(MESOSPHERE_DEBUG_LOG_USE_UART_D)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006300, 0x100, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#if defined(MESOSPHERE_DEBUG_LOG_USE_UART)
switch (KSystemControl::Init::GetDebugLogUartPort()) {
case 0: return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006000, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
case 1: return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006040, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
case 2: return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006200, 0x100, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
case 3: return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006300, 0x100, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
default: return false;
}
#elif defined(MESOSPHERE_DEBUG_LOG_USE_IRAM_RINGBUFFER)
return true;
#else