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Split bzimage_load into separate functions

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This commit is contained in:
Michael Brown
2007-01-14 13:36:33 +00:00
parent 97a3037f76
commit 3ccd7335f0
2 changed files with 228 additions and 113 deletions
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25
src/arch/i386/include/bzimage.h
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@@ -76,17 +76,30 @@ struct bzimage_header {
/** bzImage "load high" flag */
#define BZI_LOAD_HIGH 0x01
/** Load address for high-loaded kernels */
#define BZI_LOAD_HIGH_ADDR 0x100000
/** Load address for low-loaded kernels */
#define BZI_LOAD_LOW_ADDR 0x10000
/** bzImage "kernel can use heap" flag */
#define BZI_CAN_USE_HEAP 0x80
/** bzImage command-line structure used by older kernels */
struct bzimage_cmdline {
/** Magic signature */
uint16_t magic;
/** Offset to command line */
uint16_t offset;
} __attribute__ (( packed ));
/** Offset of bzImage command-line structure within kernel image */
#define BZI_CMDLINE_OFFSET 0x20
/** bzImage command line present magic marker value */
#define BZI_CMD_LINE_MAGIC 0xa33f
#define BZI_CMDLINE_MAGIC 0xa33f
/** bzImage command line present magic marker offset */
#define BZI_CMD_LINE_MAGIC_OFFSET 0x20
/** bzImage command line offset offset */
#define BZI_CMD_LINE_OFFSET_OFFSET 0x22
/** Amount of stack space to provide */
#define BZI_STACK_SIZE 0x1000