77a5cc6b13
Delete ELF as a generic image type. The method for invoking an ELF-based image (as well as any tables that must be set up to allow it to boot) will always depend on the specific architecture. core/elf.c now only provides the elf_load() function, to avoid duplicating functionality between ELF-based image types. Add arch/i386/image/elfboot.c, to handle the generic case of 32-bit x86 ELF images. We don't currently set up any multiboot tables, ELF notes, etc. This seems to be sufficient for loading kernels generated using both wraplinux and coreboot's mkelfImage. Note that while Etherboot 5.4 allowed ELF images to return, we don't. There is no callback mechanism for the loaded image to shut down gPXE, which means that we have to shut down before invoking the image. This means that we lose device state, protection against being trampled on, etc. It is not safe to continue afterwards.
171 lines
4.3 KiB
C
171 lines
4.3 KiB
C
/*
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* This file defines the configuration for Etherboot.
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*
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* The build system splits this file into several individual header
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* files of the form config/%.h, so that changing one option doesn't
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* necessitate a rebuild of every single object. For this reason, it
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* is important to maintain the strict formatting in this file.
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*
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*/
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/* @BEGIN general.h
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*
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* Console configuration
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*
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* These options specify the console types that Etherboot will use for
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* interaction with the user.
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*
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*/
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#define CONSOLE_FIRMWARE /* Default BIOS console */
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#undef CONSOLE_SERIAL /* Serial port */
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#undef CONSOLE_DIRECT_VGA /* Direct access to VGA card */
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#undef CONSOLE_BTEXT /* Who knows what this does? */
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#undef CONSOLE_PC_KBD /* Direct access to PC keyboard */
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/* @END general.h */
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/* @BEGIN serial.h
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*
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* Serial port configuration
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*
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* These options affect the operation of the serial console. They
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* take effect only if the serial console is included using the
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* CONSOLE_SERIAL option.
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*
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*/
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#define COMCONSOLE 0x3f8 /* I/O port address */
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/* Keep settings from a previous user of the serial port (e.g. lilo or
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* LinuxBIOS), ignoring COMSPEED, COMDATA, COMPARITY and COMSTOP.
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*/
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#undef COMPRESERVE
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#ifndef COMPRESERVE
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#define COMSPEED 115200 /* Baud rate */
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#define COMDATA 8 /* Data bits */
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#define COMPARITY 0 /* Parity: 0=None, 1=Odd, 2=Even */
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#define COMSTOP 1 /* Stop bits */
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#endif
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/* @END serial.h */
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/* @BEGIN general.h
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*
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* Timer configuration
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*
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*/
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#define TIMER_BIOS /* 18Hz BIOS timer */
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#define TIMER_RDTSC /* CPU TimeStamp Counter timer */
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/* @END general.h */
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/* @BEGIN isa.h
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*
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* ISA probe address configuration
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*
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* You can override the list of addresses that will be probed by any
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* ISA drivers.
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*
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*/
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#undef ISA_PROBE_ADDRS /* e.g. 0x200, 0x300 */
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#undef ISA_PROBE_ONLY /* Do not probe any other addresses */
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/* @END isa.h */
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/* @BEGIN general.h
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*
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* Network protocols
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*
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*/
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#define NET_PROTO_IPV4 /* IPv4 protocol */
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/* @END general.h */
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/* @BEGIN general.h
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*
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* Download protocols
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*
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*/
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#define DOWNLOAD_PROTO_TFTP /* Trivial File Transfer Protocol */
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#undef DOWNLOAD_PROTO_NFS /* Network File System */
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#define DOWNLOAD_PROTO_HTTP /* Hypertext Transfer Protocol */
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#undef DOWNLOAD_PROTO_HTTPS /* Secure Hypertext Transfer Protocol */
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#undef DOWNLOAD_PROTO_FTP /* File Transfer Protocol */
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#undef DOWNLOAD_PROTO_TFTM /* Multicast Trivial File Transfer Protocol */
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#undef DOWNLOAD_PROTO_SLAM /* Scalable Local Area Multicast */
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#undef DOWNLOAD_PROTO_FSP /* FSP? */
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/* @END general.h */
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/* @BEGIN general.h
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*
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* Name resolution modules
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*
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*/
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#define DNS_RESOLVER /* DNS resolver */
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#undef NMB_RESOLVER /* NMB resolver */
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/* @END general.h */
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/* @BEGIN general.h
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*
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* Image types
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*
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* Etherboot supports various image formats. Select whichever ones
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* you want to use.
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*
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*/
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#undef IMAGE_NBI /* NBI image support */
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#define IMAGE_ELF /* ELF image support */
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#undef IMAGE_FREEBSD /* FreeBSD kernel image support */
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#define IMAGE_MULTIBOOT /* MultiBoot image support */
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#undef IMAGE_AOUT /* a.out image support */
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#undef IMAGE_WINCE /* WinCE image support */
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#define IMAGE_PXE /* PXE image support */
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#define IMAGE_SCRIPT /* gPXE script image support */
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#define IMAGE_BZIMAGE /* Linux bzImage image support */
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/* @END general.h */
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/* @BEGIN general.h
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*
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* Command-line commands to include
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*
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*/
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#define AUTOBOOT_CMD /* Automatic booting */
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#define NVO_CMD /* Non-volatile option storage commands */
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#define CONFIG_CMD /* Option configuration console */
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#define IFMGMT_CMD /* Interface management commands */
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#define ROUTE_CMD /* Routing table management commands */
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#define IMAGE_CMD /* Image management commands */
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#define DHCP_CMD /* DHCP management commands */
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#define SANBOOT_CMD /* SAN boot commands */
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/* @END general.h */
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/* @BEGIN general.h
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*
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* Obscure configuration options
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*
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* You probably don't need to touch these.
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*
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*/
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#undef BUILD_SERIAL /* Include an automatic build serial
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* number. Add "bs" to the list of
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* make targets. For example:
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* "make bin/rtl8139.dsk bs" */
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#undef BUILD_ID /* Include a custom build ID string,
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* e.g "test-foo" */
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#undef NULL_TRAP /* Attempt to catch NULL function calls */
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#undef GDBSTUB /* Remote GDB debugging */
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/* @END general.h */
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/* @TRYSOURCE config-local.h */
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