mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 20:31:14 +00:00
exo2: add sc7fw load, skeleton rest of suspend
This commit is contained in:
Michael Scire
SciresM
parent
0202a95832
commit
34098f7215
3 changed files with 91 additions and 7 deletions
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@ -21,7 +21,8 @@ export TOPDIR := $(CURDIR)
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export DEPSDIR := $(CURDIR)/$(BUILD)
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
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$(TOPDIR)/sc7fw
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CFILES := $(foreach dir,$(SOURCES),$(filter-out $(notdir $(wildcard $(dir)/*.arch.*.c)) $(notdir $(wildcard $(dir)/*.board.*.c)) $(notdir $(wildcard $(dir)/*.os.*.c)), \
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$(notdir $(wildcard $(dir)/*.c))))
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@ -41,6 +42,8 @@ SFILES += $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.arch.$(ATM
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SFILES += $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.board.$(ATMOSPHERE_BOARD_NAME).s)))
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SFILES += $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.os.$(ATMOSPHERE_OS_NAME).s)))
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BINFILES := sc7fw.bin
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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@ -71,16 +74,20 @@ export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib -L$(dir)/$(ATMOSPHERE_L
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#---------------------------------------------------------------------------------
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all: $(BUILD) check_libexo
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$(BUILD): check_libexo
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$(BUILD): check_libexo check_sc7fw
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@[ -d $@ ] || mkdir -p $@
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@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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check_libexo:
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@$(MAKE) --no-print-directory -C ../../libraries/libexosphere arm64
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check_sc7fw:
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@$(MAKE) -C $(TOPDIR)/sc7fw all
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#---------------------------------------------------------------------------------
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clean:
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@echo clean ...
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@$(MAKE) -C $(TOPDIR)/sc7fw clean
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@rm -fr $(BUILD) $(OUTPUT).bin $(OUTPUT).elf *.lz4
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#---------------------------------------------------------------------------------
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@ -20,6 +20,8 @@
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#include "secmon_smc_power_management.hpp"
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#include "secmon_smc_se_lock.hpp"
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#include "sc7fw_bin.h"
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namespace ams::secmon {
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/* Declare assembly functionality. */
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@ -35,9 +37,12 @@ namespace ams::secmon::smc {
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namespace {
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constexpr inline uintptr_t PMC = MemoryRegionVirtualDevicePmc.GetAddress();
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constexpr inline uintptr_t GPIO = MemoryRegionVirtualDeviceGpio.GetAddress();
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constexpr inline uintptr_t CLK_RST = MemoryRegionVirtualDeviceClkRst.GetAddress();
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constexpr inline const uintptr_t PMC = MemoryRegionVirtualDevicePmc.GetAddress();
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constexpr inline const uintptr_t APB_MISC = MemoryRegionVirtualDeviceApbMisc.GetAddress();
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constexpr inline const uintptr_t GPIO = MemoryRegionVirtualDeviceGpio.GetAddress();
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constexpr inline const uintptr_t CLK_RST = MemoryRegionVirtualDeviceClkRst.GetAddress();
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constexpr inline const uintptr_t EVP = secmon::MemoryRegionVirtualDeviceExceptionVectors.GetAddress();
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constexpr inline const uintptr_t FLOW_CTLR = MemoryRegionVirtualDeviceFlowController.GetAddress();
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constexpr inline uintptr_t CommonSmcStackTop = MemoryRegionVirtualTzramVolatileData.GetEndAddress() - (0x80 * (NumCores - 1));
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@ -150,8 +155,75 @@ namespace ams::secmon::smc {
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/* TODO */
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}
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void SaveSecureContextAndSuspend() {
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void SaveSecureContextForErista() {
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/* TODO */
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}
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void SaveSecureContextForMariko() {
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/* TODO */
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}
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void SaveSecureContext() {
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const auto soc_type = GetSocType();
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if (soc_type == fuse::SocType_Erista) {
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SaveSecureContextForErista();
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} else /* if (soc_type == fuse::SocType_Mariko) */ {
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SaveSecureContextForMariko();
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}
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}
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void LoadAndStartSc7BpmpFirmware() {
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/* Set the PMC as insecure, so that the BPMP firmware can access it. */
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reg::ReadWrite(APB_MISC + APB_MISC_SECURE_REGS_APB_SLAVE_SECURITY_ENABLE_REG0_0, SLAVE_SECURITY_REG_BITS_ENUM(0, PMC, DISABLE));
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/* Set the exception vectors for the bpmp. RESET should point to RESET, all others should point to generic exception/panic. */
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constexpr const u32 Sc7FirmwareResetVector = static_cast<u32>(MemoryRegionPhysicalIramSc7Firmware.GetAddress() + 0x0);
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constexpr const u32 Sc7FirmwarePanicVector = static_cast<u32>(MemoryRegionPhysicalIramSc7Firmware.GetAddress() + 0x4);
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reg::Write(EVP + EVP_COP_RESET_VECTOR, Sc7FirmwareResetVector);
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reg::Write(EVP + EVP_COP_UNDEF_VECTOR, Sc7FirmwarePanicVector);
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reg::Write(EVP + EVP_COP_SWI_VECTOR, Sc7FirmwarePanicVector);
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reg::Write(EVP + EVP_COP_PREFETCH_ABORT_VECTOR, Sc7FirmwarePanicVector);
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reg::Write(EVP + EVP_COP_DATA_ABORT_VECTOR, Sc7FirmwarePanicVector);
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reg::Write(EVP + EVP_COP_RSVD_VECTOR, Sc7FirmwarePanicVector);
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reg::Write(EVP + EVP_COP_IRQ_VECTOR, Sc7FirmwarePanicVector);
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reg::Write(EVP + EVP_COP_FIQ_VECTOR, Sc7FirmwarePanicVector);
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/* Disable activity monitor bpmp monitoring, so that we don't panic upon bpmp wake. */
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actmon::StopMonitoringBpmp();
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/* Load the bpmp firmware. */
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void * const sc7fw_load_address = MemoryRegionVirtualIramSc7Firmware.GetPointer<void>();
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std::memcpy(sc7fw_load_address, sc7fw_bin, sc7fw_bin_size);
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hw::FlushDataCache(sc7fw_load_address, sc7fw_bin_size);
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hw::DataSynchronizationBarrierInnerShareable();
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/* Ensure that the bpmp firmware was loaded. */
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AMS_ABORT_UNLESS(crypto::IsSameBytes(sc7fw_load_address, sc7fw_bin, sc7fw_bin_size));
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/* Clear BPMP reset. */
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reg::Write(CLK_RST + CLK_RST_CONTROLLER_RST_DEV_L_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_L_CLR_CLR_COP_RST, ENABLE));
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/* Start the bpmp. */
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reg::Write(FLOW_CTLR + FLOW_CTLR_HALT_COP_EVENTS, FLOW_REG_BITS_ENUM(HALT_COP_EVENTS_MODE, FLOW_MODE_NONE));
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}
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void SaveSecureContextAndSuspend() {
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/* Ensure there are no pending memory transactions before we continue */
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FlushEntireDataCache();
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hw::DataSynchronizationBarrierInnerShareable();
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/* Save all secure context (security engine state + tzram). */
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SaveSecureContext();
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/* Load and start the sc7 firmware on the bpmp. */
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LoadAndStartSc7BpmpFirmware();
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/* Log our suspension. */
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/* NOTE: Nintendo only does this on dev, but we will always do it. */
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if (true /* !pkg1::IsProduction() */) {
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log::SendText("OYASUMI\n", 8);
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}
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/* Finalize our powerdown and wait for an interrupt. */
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FinalizePowerOff();
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@ -61,7 +61,10 @@ DEFINE_CLK_RST_REG(MISC_CLK_ENB_CFG_ALL_VISIBLE, 28, 1);
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#define CLK_RST_CONTROLLER_CLK_SOURCE_UARTA (0x178)
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#define CLK_RST_CONTROLLER_CLK_SOURCE_UARTB (0x17C)
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#define CLK_RST_CONTROLLER_CLK_SOURCE_UARTC (0x1A0)
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#define CLK_RST_CONTROLLER_CLK_SOURCE_ACTMON (0x3e8)
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#define CLK_RST_CONTROLLER_CLK_SOURCE_ACTMON (0x3E8)
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/* RST_DEV_*_CLR */
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#define CLK_RST_CONTROLLER_RST_DEV_L_CLR (0x304)
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/* CLK_ENB_*_INDEX */
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#define CLK_RST_CONTROLLER_CLK_ENB_I2C1_INDEX (0x0C)
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@ -96,3 +99,5 @@ DEFINE_CLK_RST_REG_THREE_BIT_ENUM(CLK_SOURCE_UARTB_UARTB_CLK_SRC, 29, PLLP_OUT0,
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DEFINE_CLK_RST_REG_THREE_BIT_ENUM(CLK_SOURCE_UARTC_UARTC_CLK_SRC, 29, PLLP_OUT0, PLLC2_OUT0, PLLC_OUT0, PLLC4_OUT0, RESERVED4, PLLC4_OUT1, CLK_M, PLLC4_OUT2);
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DEFINE_CLK_RST_REG_THREE_BIT_ENUM(CLK_SOURCE_ACTMON_ACTMON_CLK_SRC, 29, PLLP_OUT0, PLLC2_OUT0, PLLC_OUT0, PLLC4_OUT0, CLK_S, PLLC4_OUT1, CLK_M, PLLC4_OUT2);
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DEFINE_CLK_RST_REG_BIT_ENUM(RST_DEV_L_CLR_CLR_COP_RST, 1, DISABLE, ENABLE);
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