robin.thoni
/
ipxe
Bevaka 1
Stjärnmärk 0
Förgrening 0
Kod Ärenden 0 Pull-förfrågningar 0 Släpp 11 Wiki Aktiviteter
Du kan inte välja fler än 25 ämnen Ämnen måste starta med en bokstav eller siffra, kan innehålla bindestreck ('-') och vara max 35 tecken långa.
5940 Incheckningar
2 Grenar
Träd: efc1ae5aba
Grenar Taggar
${ item.name }
Skapa branchen ${ searchTerm }
från 'efc1ae5aba'
${ noResults }
ipxe/src/arch/x86/prefix/nbiprefix.S

nbiprefix.S 1.7KB
Historik Rå

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384 
  1. FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

  2. 

  3. #include <librm.h>

  4. 

  5. 	.text

  6. 	.arch i386

  7. 	.code16

  8. 	.section ".prefix", "ax", @progbits

  9. 	.org 0

  10. 

  11. nbi_header:

  12. 	

  13. /*****************************************************************************

  14.  * NBI file header

  15.  *****************************************************************************

  16.  */

  17. file_header:

  18. 	.long	0x1b031336	/* Signature */

  19. 	.byte	0x04		/* 16 bytes header, no vendor info */

  20. 	.byte	0

  21. 	.byte	0

  22. 	.byte	0		/* No flags */

  23. 	.word	0x0000, 0x07c0	/* Load header to 0x07c0:0x0000 */

  24. 	.word	_nbi_start, 0x07c0	/* Start execution at 0x07c0:entry */

  25. 	.size	file_header, . - file_header

  26. 

  27. /*****************************************************************************

  28.  * NBI segment header

  29.  *****************************************************************************

  30.  */

  31. segment_header:

  32. 	.byte	0x04		/* 16 bytes header, no vendor info */

  33. 	.byte	0

  34. 	.byte	0

  35. 	.byte	0x04		/* Last segment */

  36. 	.long	0x00007e00

  37. imglen:	.long	-512

  38. memlen:	.long	-512

  39. 	.size	segment_header, . - segment_header

  40. 

  41. 	.section ".zinfo.fixup", "a", @progbits	/* Compressor fixups */

  42. 	.ascii	"ADDL"

  43. 	.long	imglen

  44. 	.long	1

  45. 	.long	0

  46. 	.ascii	"ADDL"

  47. 	.long	memlen

  48. 	.long	1

  49. 	.long	0

  50. 	.previous

  51. 

  52. /*****************************************************************************

  53.  * NBI entry point

  54.  *****************************************************************************

  55.  */

  56. 	.globl	_nbi_start

  57. _nbi_start:

  58. 	/* Install iPXE */

  59. 	call	install

  60. 

  61. 	/* Set up real-mode stack */

  62. 	movw	%bx, %ss

  63. 	movw	$_estack16, %sp

  64. 

  65. 	/* Jump to .text16 segment */

  66. 	pushw	%ax

  67. 	pushw	$1f

  68. 	lret

  69. 	.section ".text16", "awx", @progbits

  70. 1:

  71. 	/* Run iPXE */

  72. 	virtcall main

  73. 

  74. 	/* Uninstall iPXE */

  75. 	call	uninstall

  76. 

  77. 	/* Reboot system */

  78. 	int $0x19

  79. 

  80. 	.previous

  81. 	.size	_nbi_start, . - _nbi_start

  82. 

  83. nbi_header_end:

  84. 	.org 512