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fusee-cpp: Implement mbist workaround

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Michael Scire 2021-08-21 15:49:36 -07:00 • committed by SciresM
parent 3e81796db7
commit c333a84b6b
19 changed files with 847 additions and 35 deletions
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13
libraries/libexosphere/source/fuse/fuse_api.cpp
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@ -432,6 +432,19 @@ namespace ams::fuse {
return reg::HasValue(GetChipRegistersCommon().FUSE_SECURITY_MODE, FUSE_REG_BITS_ENUM(SECURITY_MODE_SECURITY_MODE, ENABLED));
}
bool GetSecureBootKey(void *dst) {
/* Get the sbk from fuse data. */
bool valid = false;
for (size_t i = 0; i < 4; ++i) {
const u32 key_word = GetChipRegistersCommon().FUSE_PRIVATE_KEY[i];
static_cast<u32 *>(dst)[i] = key_word;
valid |= key_word != 0xFFFFFFFF;
}
return valid;
}
void ConfigureFuseBypass() {
/* Make the fuse registers visible. */
clkrst::SetFuseVisibility(true);