add device/uefi and device/amd64

2026-08-20 12:29:03 +00:00 · 2026-06-15 14:45:37 -04:00
parent bd61913973
commit 0922e3e956
13 changed files with 936 additions and 0 deletions
@@ -0,0 +1,111 @@
+package uefi
+
+const (
+	uintnSize = 32 << (^uintptr(0) >> 63)
+	errorMask = 1 << uintptr(uintnSize-1)
+)
+
+const (
+	EFI_SUCCESS              EFI_STATUS = 0
+	EFI_LOAD_ERROR           EFI_STATUS = errorMask | 1
+	EFI_INVALID_PARAMETER    EFI_STATUS = errorMask | 2
+	EFI_UNSUPPORTED          EFI_STATUS = errorMask | 3
+	EFI_BAD_BUFFER_SIZE      EFI_STATUS = errorMask | 4
+	EFI_BUFFER_TOO_SMALL     EFI_STATUS = errorMask | 5
+	EFI_NOT_READY            EFI_STATUS = errorMask | 6
+	EFI_DEVICE_ERROR         EFI_STATUS = errorMask | 7
+	EFI_WRITE_PROTECTED      EFI_STATUS = errorMask | 8
+	EFI_OUT_OF_RESOURCES     EFI_STATUS = errorMask | 9
+	EFI_VOLUME_CORRUPTED     EFI_STATUS = errorMask | 10
+	EFI_VOLUME_FULL          EFI_STATUS = errorMask | 11
+	EFI_NO_MEDIA             EFI_STATUS = errorMask | 12
+	EFI_MEDIA_CHANGED        EFI_STATUS = errorMask | 13
+	EFI_NOT_FOUND            EFI_STATUS = errorMask | 14
+	EFI_ACCESS_DENIED        EFI_STATUS = errorMask | 15
+	EFI_NO_RESPONSE          EFI_STATUS = errorMask | 16
+	EFI_NO_MAPPING           EFI_STATUS = errorMask | 17
+	EFI_TIMEOUT              EFI_STATUS = errorMask | 18
+	EFI_NOT_STARTED          EFI_STATUS = errorMask | 19
+	EFI_ALREADY_STARTED      EFI_STATUS = errorMask | 20
+	EFI_ABORTED              EFI_STATUS = errorMask | 21
+	EFI_ICMP_ERROR           EFI_STATUS = errorMask | 22
+	EFI_TFTP_ERROR           EFI_STATUS = errorMask | 23
+	EFI_PROTOCOL_ERROR       EFI_STATUS = errorMask | 24
+	EFI_INCOMPATIBLE_VERSION EFI_STATUS = errorMask | 25
+	EFI_SECURITY_VIOLATION   EFI_STATUS = errorMask | 26
+	EFI_CRC_ERROR            EFI_STATUS = errorMask | 27
+	EFI_END_OF_MEDIA         EFI_STATUS = errorMask | 28
+	EFI_END_OF_FILE          EFI_STATUS = errorMask | 31
+	EFI_INVALID_LANGUAGE     EFI_STATUS = errorMask | 32
+	EFI_COMPROMISED_DATA     EFI_STATUS = errorMask | 33
+	EFI_IP_ADDRESS_CONFLICT  EFI_STATUS = errorMask | 34
+	EFI_HTTP_ERROR           EFI_STATUS = errorMask | 35
+)
+
+var errMap = map[EFI_STATUS]*Error{}
+
+var (
+	ErrLoadError           = newError(EFI_LOAD_ERROR, "image failed to load")
+	ErrInvalidParameter    = newError(EFI_INVALID_PARAMETER, "a parameter was incorrect")
+	ErrUnsupported         = newError(EFI_UNSUPPORTED, "operation not supported")
+	ErrBadBufferSize       = newError(EFI_BAD_BUFFER_SIZE, "buffer size incorrect for request")
+	ErrBufferTooSmall      = newError(EFI_BUFFER_TOO_SMALL, "buffer too small; size returned in parameter")
+	ErrNotReady            = newError(EFI_NOT_READY, "no data pending")
+	ErrDeviceError         = newError(EFI_DEVICE_ERROR, "physical device reported an error")
+	ErrWriteProtected      = newError(EFI_WRITE_PROTECTED, "device is write-protected")
+	ErrOutOfResources      = newError(EFI_OUT_OF_RESOURCES, "out of resources")
+	ErrVolumeCorrupted     = newError(EFI_VOLUME_CORRUPTED, "filesystem inconsistency detected")
+	ErrVolumeFull          = newError(EFI_VOLUME_FULL, "no more space on filesystem")
+	ErrNoMedia             = newError(EFI_NO_MEDIA, "device contains no medium")
+	ErrMediaChanged        = newError(EFI_MEDIA_CHANGED, "medium changed since last access")
+	ErrNotFound            = newError(EFI_NOT_FOUND, "item not found")
+	ErrAccessDenied        = newError(EFI_ACCESS_DENIED, "access denied")
+	ErrNoResponse          = newError(EFI_NO_RESPONSE, "server not found or no response")
+	ErrNoMapping           = newError(EFI_NO_MAPPING, "no device mapping exists")
+	ErrTimeout             = newError(EFI_TIMEOUT, "timeout expired")
+	ErrNotStarted          = newError(EFI_NOT_STARTED, "protocol not started")
+	ErrAlreadyStarted      = newError(EFI_ALREADY_STARTED, "protocol already started")
+	ErrAborted             = newError(EFI_ABORTED, "operation aborted")
+	ErrICMPError           = newError(EFI_ICMP_ERROR, "ICMP error during network operation")
+	ErrTFTPError           = newError(EFI_TFTP_ERROR, "TFTP error during network operation")
+	ErrProtocolError       = newError(EFI_PROTOCOL_ERROR, "protocol error during network operation")
+	ErrIncompatibleVersion = newError(EFI_INCOMPATIBLE_VERSION, "requested version incompatible")
+	ErrSecurityViolation   = newError(EFI_SECURITY_VIOLATION, "security violation")
+	ErrCRCError            = newError(EFI_CRC_ERROR, "CRC error detected")
+	ErrEndOfMedia          = newError(EFI_END_OF_MEDIA, "beginning or end of media reached")
+	ErrEndOfFile           = newError(EFI_END_OF_FILE, "end of file reached")
+	ErrInvalidLanguage     = newError(EFI_INVALID_LANGUAGE, "invalid language specified")
+	ErrCompromisedData     = newError(EFI_COMPROMISED_DATA, "data security status unknown or compromised")
+	ErrIPAddressConflict   = newError(EFI_IP_ADDRESS_CONFLICT, "IP address conflict detected")
+	ErrHTTPError           = newError(EFI_HTTP_ERROR, "HTTP error during network operation")
+)
+
+type Error struct {
+	code EFI_STATUS
+	msg  string
+}
+
+func newError(code EFI_STATUS, msg string) *Error {
+	err := &Error{code: code, msg: msg}
+	errMap[code] = err
+	return err
+}
+
+func (e *Error) Error() string {
+	return e.msg
+}
+
+func (e *Error) Status() EFI_STATUS {
+	return e.code
+}
+
+func StatusError(status EFI_STATUS) *Error {
+	if status == EFI_SUCCESS {
+		return nil
+	}
+	err, ok := errMap[status]
+	if !ok {
+		return newError(status, "unknown EFI error")
+	}
+	return err
+}