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85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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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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*/
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u_int32_t kernel_image_offset;
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u_int32_t kernel_image_size;
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u_int32_t kernel_size;
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u_int32_t ramdisk_offset;
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u_int32_t ramdisk_size;
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int8_t command_line[256];
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/* EM02 */
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u_int32_t console_mask;
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u_int32_t serial0_bitrate;
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int8_t serial0_datasize;
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int8_t serial0_parity;
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int8_t serial0_stopbits;
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int8_t pad0;
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u_int32_t serial1_bitrate;
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int8_t serial1_datasize;
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int8_t serial1_parity;
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int8_t serial1_stopbits;
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int8_t pad1;
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/* EM03 */
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u_int32_t gestaltID;
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} __attribute__((packed));
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#ifdef SCSI_SUPPORT
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struct emile_block {
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u_int32_t offset; /* offset of first block */
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u_int16_t count; /* number of blocks */
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} __attribute__((packed));
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struct emile_container {
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u_int16_t unit_id;
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u_int16_t block_size;
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u_int32_t max_blocks;
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struct emile_block blocks[0];
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} __attribute__((packed));
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#endif /* SCSI_SUPPORT */
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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_COMPAT(a,b) ( ( EMILE_ID(a) == EMILE_ID(b) ) && \
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( EMILE_VERSION(a) <= EMILE_VERSION(b) ) )
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enum {
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STDOUT_VGA = 0x00000001,
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STDOUT_SERIAL0 = 0x00000002,
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STDOUT_SERIAL1 = 0x00000004,
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ENABLE_DEBUG = 0x80000000,
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};
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#endif /* __HEAD_H__ */
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