mirror of https://github.com/vivier/EMILE.git
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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*
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* (c) 2004, 2005 Laurent Vivier <Laurent@Vivier.EU>
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*
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*/
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#ifndef __HEAD_H__
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#define __HEAD_H__
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/*
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* WARNING: remember that m68k is big endian, like powerPC.
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* i386 is little-endian
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*/
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typedef struct emile_l2_header emile_l2_header_t;
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struct emile_l2_header {
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/* EM01 */
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u_int32_t entry;
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u_int32_t signature;
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/* EMO4 addendum: if kernel_image_size == 0,
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* kernel_image_offset is a pointer to a container
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* EM05 addendum: if kernel_image_size == kernel_size
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* kernel is not compressed
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* EM06 addendum: configuration is now in string configuration
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*/
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/* EM06 */
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u_int16_t conf_size;
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int8_t configuration[0];
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/*
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* gestaltID <digit>
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* modem <bitrate><parity><bits> parity is n/o/e
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* printer <bitrate><parity><bits>
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* kernel <protocol>:<unit>/<path>
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* <protocol> is "iso9660", "container", "block" ...
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* <unit> is "(fd0)", "(sd3)", "(sd0,4)",...
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* <path> is "boot/vmlinuz-2.2.25", "/install/mac/vmlinuz-2.2.25",
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* "59904", "673280,654848",...
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* parameters <kernel parameters>
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* initrd <protocol>:<unit>/<path>
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*
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* EM07 introduces following definitions and can manage several kernels
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*
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* configuration <protocol>:<unit>/<path>
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* title <string>
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*
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*/
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} __attribute__((packed));
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#define EMILE_ID_MASK 0xFFF0
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#define EMILE_VERSION_MASK 0x000F
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#define EMILE_ID(a) ((a) & EMILE_ID_MASK)
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#define EMILE_VERSION(a) ((a) & EMILE_VERSION_MASK)
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#define EMILE_01_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'1')
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#define EMILE_02_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'2')
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#define EMILE_03_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'3')
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#define EMILE_04_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'4')
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#define EMILE_05_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'5')
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#define EMILE_06_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'6')
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#define EMILE_07_SIGNATURE (('E'<<24)|('M'<<16)|('0'<<8)|'7')
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#define EMILE_COMPAT(a,b) ( ( EMILE_ID(a) == EMILE_ID(b) ) && \
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( EMILE_VERSION(a) <= EMILE_VERSION(b) ) )
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#endif /* __HEAD_H__ */
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