[bootloader] Compatibility with Omega 2.0

bootloader/userland_header.cpp

@@ -0,0 +1,33 @@
+#include <bootloader/userland_header.h>
+
+namespace Bootloader {
+
+const UserlandHeader* s_UserlandHeaderA = reinterpret_cast<const struct UserlandHeader*>(0x90010000);
+const UserlandHeader* s_UserlandHeaderB = reinterpret_cast<const struct UserlandHeader*>(0x90410000);
+
+const char * UserlandHeader::version() const {
+  return m_expectedEpsilonVersion;
+}
+
+const bool UserlandHeader::isValid() const {
+  return m_header == Magic && m_footer == Magic;
+}
+
+const bool UserlandHeader::isOmega() const {
+  return m_omegaMagicHeader == OmegaMagic && m_omegaMagicFooter == OmegaMagic;
+}
+
+
+const char * UserlandHeader::omegaVersion() const {
+  return m_omegaVersion;
+}
+
+const bool UserlandHeader::isUpsilon() const {
+  return m_upsilonMagicHeader == UpsilonMagic && m_upsilonMagicFooter == UpsilonMagic;
+}
+
+const char * UserlandHeader::upsilonVersion() const {
+  return m_UpsilonVersion;
+}
+
+}