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ams: allow bootloader to merely approximate correct target firmware

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This commit is contained in:
Michael Scire 2021-10-11 00:54:17 -07:00
parent d41de21753
commit 5708bb1557
24 changed files with 281 additions and 396 deletions
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35
exosphere/program/source/smc/secmon_smc_info.cpp
View file

@ -164,6 +164,7 @@ namespace ams::secmon::smc {
}
constinit u64 g_payload_address = 0;
constinit bool g_set_true_target_firmware = false;
SmcResult GetConfig(SmcArguments &args, bool kern) {
switch (static_cast<ConfigItem>(args.r[1])) {
@ -240,11 +241,15 @@ namespace ams::secmon::smc {
break;
case ConfigItem::ExosphereApiVersion:
/* Get information about the current exosphere version. */
args.r[1] = (static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MAJOR & 0xFF) << 56) |
(static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MINOR & 0xFF) << 48) |
(static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MICRO & 0xFF) << 40) |
(static_cast<u64>(GetKeyGeneration()) << 32) |
(static_cast<u64>(GetTargetFirmware()) << 0);
if (kern || g_set_true_target_firmware) {
args.r[1] = (static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MAJOR & 0xFF) << 56) |
(static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MINOR & 0xFF) << 48) |
(static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MICRO & 0xFF) << 40) |
(static_cast<u64>(GetKeyGeneration()) << 32) |
(static_cast<u64>(GetTargetFirmware()) << 0);
} else {
return SmcResult::NotInitialized;
}
break;
case ConfigItem::ExosphereNeedsReboot:
/* We are executing, so we aren't in the process of rebooting. */
@ -297,6 +302,18 @@ namespace ams::secmon::smc {
(static_cast<u64>(ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR & 0xFF) << 16) |
(static_cast<u64>(ATMOSPHERE_SUPPORTED_HOS_VERSION_MICRO & 0xFF) << 8);
break;
case ConfigItem::ExosphereApproximateApiVersion:
/* Get information about the current exosphere version. */
if (!g_set_true_target_firmware) {
args.r[1] = (static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MAJOR & 0xFF) << 56) |
(static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MINOR & 0xFF) << 48) |
(static_cast<u64>(ATMOSPHERE_RELEASE_VERSION_MICRO & 0xFF) << 40) |
(static_cast<u64>(GetKeyGeneration()) << 32) |
(static_cast<u64>(GetTargetFirmware()) << 0);
} else {
return SmcResult::Busy;
}
break;
default:
return SmcResult::InvalidArgument;
}
@ -312,6 +329,14 @@ namespace ams::secmon::smc {
/* Configure the HiZ mode. */
SetChargerHiZModeEnabled(static_cast<bool>(args.r[3]));
break;
case ConfigItem::ExosphereApiVersion:
if (!g_set_true_target_firmware) {
::ams::secmon::impl::SetTargetFirmware(static_cast<ams::TargetFirmware>(args.r[3] & 0xFFFFFFFF));
g_set_true_target_firmware = true;
} else {
return SmcResult::Busy;
}
break;
case ConfigItem::ExosphereNeedsReboot:
if (soc_type == fuse::SocType_Erista) {
switch (static_cast<UserRebootType>(args.r[3])) {

25
exosphere/program/source/smc/secmon_smc_info.hpp
View file

@ -40,18 +40,19 @@ namespace ams::secmon::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,
ExosphereLogConfiguration = 65009,
ExosphereForceEnableUsb30 = 65010,
ExosphereSupportedHosVersion = 65011,
ExosphereApiVersion = 65000,
ExosphereNeedsReboot = 65001,
ExosphereNeedsShutdown = 65002,
ExosphereGitCommitHash = 65003,
ExosphereHasRcmBugPatch = 65004,
ExosphereBlankProdInfo = 65005,
ExosphereAllowCalWrites = 65006,
ExosphereEmummcType = 65007,
ExospherePayloadAddress = 65008,
ExosphereLogConfiguration = 65009,
ExosphereForceEnableUsb30 = 65010,
ExosphereSupportedHosVersion = 65011,
ExosphereApproximateApiVersion = 65012,
};
SmcResult SmcGetConfigUser(SmcArguments &args);