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exo2: cache soc type/hardware type for quick lookup

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This commit is contained in:
Michael Scire 2020-05-16 16:34:59 -07:00 committed by SciresM
parent a0b08d0540
commit 99e0448f30
4 changed files with 38 additions and 3 deletions
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2
exosphere2/program/source/boot/secmon_boot_setup.cpp
View file

@ -245,7 +245,7 @@ namespace ams::secmon::boot {
void DeriveAllKeys() {
/* Determine whether we're prod. */
const bool is_prod = fuse::GetHardwareState() != fuse::HardwareState_Development;
const bool is_prod = IsProduction();
/* Get the ephemeral work block. */
u8 * const work_block = se::GetEphemeralWorkBlock();

5
exosphere2/program/source/secmon_setup.cpp
View file

@ -94,6 +94,9 @@ namespace ams::secmon {
/* If we don't have a valid storage context, we can just use the default one. */
ctx.secmon_cfg = DefaultSecureMonitorConfiguration;
}
/* Cache the fuse info for quick access. */
ctx.secmon_cfg.SetFuseInfo();
}
void GenerateSecurityEngineAesKeySlotTestVector(void *dst, size_t size) {
@ -387,7 +390,7 @@ namespace ams::secmon {
SLAVE_SECURITY_REG_BITS_ENUM(2, DDS, ENABLE),
SLAVE_SECURITY_REG_BITS_ENUM(2, DP2, ENABLE));
const auto hw_type = fuse::GetHardwareType();
const auto hw_type = GetHardwareType();
/* Switch Lite can't use HDMI, so set CEC to secure on hoag. */
if (hw_type == fuse::HardwareType_Hoag) {

16
libraries/libexosphere/include/exosphere/secmon/secmon_configuration_context.arch.arm64.hpp
View file

@ -100,4 +100,20 @@ namespace ams::secmon {
return GetSecmonConfiguration().GetKeyGeneration();
}
ALWAYS_INLINE fuse::HardwareType GetHardwareType() {
return GetSecmonConfiguration().GetHardwareType();
}
ALWAYS_INLINE fuse::SocType GetSocType() {
return GetSecmonConfiguration().GetSocType();
}
ALWAYS_INLINE fuse::HardwareState GetHardwareState() {
return GetSecmonConfiguration().GetHardwareState();
}
ALWAYS_INLINE bool IsProduction() {
return GetSecmonConfiguration().IsProduction();
}
}

18
libraries/libexosphere/include/exosphere/secmon/secmon_monitor_context.hpp
View file

@ -15,6 +15,7 @@
*/
#pragma once
#include <vapours.hpp>
#include <exosphere/fuse.hpp>
#include <exosphere/secmon/secmon_emummc_context.hpp>
namespace ams::secmon {
@ -48,16 +49,31 @@ namespace ams::secmon {
struct SecureMonitorConfiguration {
ams::TargetFirmware target_firmware;
s32 key_generation;
u8 hardware_type;
u8 soc_type;
u8 hardware_state;
u8 pad_0B[1];
u32 flags;
u32 reserved[(0x80 - 0x0C) / sizeof(u32)];
u32 reserved[(0x80 - 0x10) / sizeof(u32)];
constexpr void CopyFrom(const SecureMonitorStorageConfiguration &storage) {
this->target_firmware = storage.target_firmware;
this->flags = storage.flags;
}
void SetFuseInfo() {
this->hardware_type = fuse::GetHardwareType();
this->soc_type = fuse::GetSocType();
this->hardware_state = fuse::GetHardwareState();
}
constexpr ams::TargetFirmware GetTargetFirmware() const { return this->target_firmware; }
constexpr int GetKeyGeneration() const { return this->key_generation; }
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 bool IsProduction() const { return this->GetHardwareState() != fuse::HardwareState_Development; }
constexpr bool IsDevelopmentFunctionEnabledForKernel() const { return (this->flags & SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForKernel) != 0; }
constexpr bool IsDevelopmentFunctionEnabledForUser() const { return (this->flags & SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForUser) != 0; }