diff options
Diffstat (limited to 'resources/utilities')
| -rw-r--r-- | resources/utilities/ich9deblob/src/gbe/gbe.h | 94 |
1 files changed, 92 insertions, 2 deletions
diff --git a/resources/utilities/ich9deblob/src/gbe/gbe.h b/resources/utilities/ich9deblob/src/gbe/gbe.h index fdf855d2..0a9b1144 100644 --- a/resources/utilities/ich9deblob/src/gbe/gbe.h +++ b/resources/utilities/ich9deblob/src/gbe/gbe.h @@ -76,7 +76,7 @@ struct GBE_RESERVED_WORD_03H { /* least significant bits */ - unsigned char reserved1_0 : 8; /* bits should all be set to zero */ + unsigned char reserved1_0 : 8; /* bits should all be set to zero */ unsigned char reserved1_1 : 3; /* ^ part of above. Separated so that the bitfields align */ unsigned char ibaLom : 1; /* set to 1 for intel boot agent to work (i.e. set it to 0) */ unsigned char reserved2 : 4; /* bits should all be set to zero */ @@ -200,6 +200,96 @@ struct LED_CTL_02 { /* most significant bits */ }; +/* Word 30h */ +struct GBE_PXE_BOOT_AGENT_MAIN_SETUP_OPTIONS { + /* least significant bits */ + unsigned char protocolSelect : 2; /* Default 00 binary (PXE) according to datasheet. 01 is reserved. 10/11 are undefined. deblobbed_descriptor.bin says 00 */ + unsigned char reserved1 : 1; /* Reserved. deblobbed_descriptor.bin says 0 */ + unsigned char defaultBootSelection : 2; /* deblobbed_descriptor.bin says 00 (binary). 00 is network boot, then local. 01 is local boot, then network. 10 is network boot only. 11 is local boot only */ + unsigned char reserved2 : 1; /* Reserved. deblobbed_descriptor.bin says 0. */ + unsigned char promptTime : 2; /* deblobbed_descriptor.bin says 00. delay for how long "press ctrl-s" setup prompt message appears. 00 = 2 secs, 01 is 3 secs, 10 is 5 secs, 11 is 0 secs. */ + unsigned char displaySetupMessage : 1; /* default 1 says datasheet. deblobbed_descriptor.bin says 1. if 1, "ctrl-s" setup prompt message appears after the title message. */ + unsigned char reserved3 : 1; /* Datasheet says to set 0. deblobbed_descriptor.bin says 0. */ + unsigned char forceSpeed : 2; /* deblobbed_descriptor.bin says 00. 00 = auto-negotiate, 01 = 10Mbps, 10 = 100Mbps, 11 = "not allowed" */ + unsigned char forceFullDuplex : 1; /* deblobbed_descriptor.bin says 0. Only relevant when bits 10/11 are set; if so, then: 0 = half duplex, 1 = full duplex */ + unsigned char reserved4 : 1; /* Reserved. deblobbed_descriptor.bin says 0. datasheet recommends 0. */ + unsigned char efiPresence : 1; /* 1 means that an EFI image is present (0 means not present). deblobbed_descriptor.bin says 0. if 1, eeprom word 33h (efi version) becomes valid. if pxePresent is 1, that means EFI and PXE are both present.*/ + unsigned char pxePresence : 1; /* 0 means that a PXE image is present. 1 means to pxe present. deblobbed_descriptor.bin says 0. if 0, then word 32h (PXE version) in eeprom becomes valid */ + /* most significant bits */ + + /* This whole data structure is pointless, since libreboot doesn't (read: won't) + * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */ +}; +/* Word 31h */ +struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_31H { + /* least significant bits */ + unsigned char disableSetupMenu : 1; /* 1 means invoking setup menu with ctrl-s won't work. deblobbed_descriptor.bin says 0 (as is default, per datasheet) */ + unsigned char disableTitleMessage : 1; /* 1 means that title in boot agent screen is suppressed, as is ctrl-s message. default is 0, and deblobbed_descriptor.bin says 0 */ + unsigned char disableProtocolSelect : 1; /* 1 means no changes to boot protocol are allowed. default is 0, and deblobbed_descriptor.bin says 0 */ + unsigned char disableBootSelection : 1; /* 1 means no changes in boot order option menu are allowed. default is 0, and deblobbed_descriptor.bin says 0 */ + unsigned char disableLegacyWakeupSupport : 1; /* 1 means no changes in legacy wakeup support menu is allowed. default is 0, and deblobbed_descriptor.bin says 0 */ + unsigned char disableFlashUpdate : 1; /* 1 means no changes to flash image using PROset is allowed. default is 0, and deblobbed_descriptor.bin says 0 */ + unsigned char reserved1 : 2; /* Reserved. Datasheet says these must be 0, and deblobbed_descriptor.bin sets them to 0. */ + + /* + * deblobbed_descriptor says 000 + * 000 = normal behaviour + * see datasheet (page 21) for other modes. + */ + unsigned char ibaBootOrderSetupMode : 3; + + unsigned char reserved2 : 3; /* Reserved. Datasheet says these must be set to 0, and deblobbed_descriptor.bin sets them to 0. */ + unsigned char signature : 2; /* Must be set to 01 to indicate that this whole word has been configured by the agent or other software. deblobbed_descriptor.bin says 01. */ + /* most significant bits */ + + /* This whole data structure is pointless, since libreboot doesn't (read: won't) + * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */ +}; +/* Word 32h */ +struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_32H { + /* least significant bits */ + unsigned char buildNumber : 8; /* PXE boot agent build number. default is 28 (hex). deblobbed_descriptor.bin says 18 (hex) */ + unsigned char minorVersionNumber : 4; /* PXE boot agent minor number. default is 2 (hex). deblobbed_descriptor.bin says 3 (hex) */ + unsigned char majorVersionNumber : 4; /* PXE boot agent makor number. default is F (hex). deblobbed_descriptor.bin says 1 (hex) */ + /* most significant bits */ + + /* This whole data structure is pointless, since libreboot doesn't (read: won't) + * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */ +}; +/* Word 33h */ +struct GBE_PXE_IBA_CAPABILITIES { + /* least significant bits */ + unsigned char baseCodePresent : 1; /* 0 means PXE base code is indicated as being present. 1 (default) means not. deblobbed_descriptor.bin says 1 */ + unsigned char undiCapabilityPresent : 1; /* 1 (default) means pxe/undi capability is indicated present. 0 means not present. deblobbed_descriptor.bin says 1 */ + unsigned char reserved1 : 1; /* Reserved. Must be 1. deblobbed_descriptor.bin says 1 */ + unsigned char efiUndiCapabilityPresent : 1; /* EFI UNDI capability present: 0 (default) means not present. 1 means present. deblobbed_descriptor.bin says 0 */ + unsigned char reserved2_0 : 4; /* reserved. all bits must be 0. deblobbed_descriptor.bin sets them to 0. */ + unsigned char reserved2_1 : 6; /* ^ part of reserved2_0. split this way so that the bitfields align */ + unsigned char signature : 2; /* must be 01 to indicate that the word is configured by the agent or other software. deblobbed_descriptor.bin says 01 */ + /* most significant bits */ + + /* This whole data structure is pointless, since libreboot doesn't (read: won't) + * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */ +}; +/* Words 30h to 3Eh */ +struct GBE_PXE_SOFTWARE_REGION { + struct GBE_PXE_BOOT_AGENT_MAIN_SETUP_OPTIONS bootAgentMainSetupOptions; /* Word 30h */ + struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_31H bootAgentConfigurationCustomizationOptions31h; /* Word 31h */ + struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_32H bootAgentConfigurationCustomizationOptions32h; /* Word 32h */ + struct GBE_PXE_IBA_CAPABILITIES ibaCapabilities; /* Word 33h */ + + /* Words 34h to 3Eh (padding). Set these to 0xFFFF (according to deblobbed_descriptor.bin) */ + unsigned short paddingWords34hTo3Eh[11]; + + /* + * the pxe software region is practically useless in libreboot, since + * libreboot does not include the intel boot agent (it's proprietary software). + * + * Having this struct in place is simply for documentations sake. It is completely + * irrelevant what you put here. filling it with 0xFFFF would probably be fine. + */ +}; + struct GBEREGIONRECORD_4K { unsigned char macAddress[6]; /* Word 00 to 02 */ struct GBE_RESERVED_WORD_03H reservedWord03h; /* Reserved word 03. */ @@ -307,7 +397,7 @@ struct GBEREGIONRECORD_4K { unsigned short reservedWord22h; /* Word 22: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */ unsigned short reservedWord23h; /* Word 23: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */ unsigned short reservedWords24to2Fh[12]; /* Words 24-2F: Reserved. These should all be 0x0000 according to datasheet and deblobbed_descriptor.bin */ - unsigned short pxeSoftwareRegion[15]; + struct GBE_PXE_SOFTWARE_REGION pxeSoftwareRegion; /* Words 30-3E: PXE Software Region */ unsigned short checkSum; /* when added to the sum of all words above, this should match GBECHECKSUMTOTAL */ unsigned char padding1[3968]; }; |